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Size

Pipe connections

DN125

Lubricating oil from el.driven pump

208

DN40

Lubricating oil from separator and filling (wet sump)

213

DN40

Lubricating oil to separator and drain (wet sump)

214

DN40 plug

Lubricating oil filling (wet sump)

215

M22 x 1.5

Lubricating oil drain (wet sump)

216

DN125

Crankcase air vent

701

DN50

Inert gas inlet

723

7-8

Wärtsilä 34DF Product Guide - a16 - 23 September 2016

Wärtsilä 34DF Product Guide

7. Lubricating Oil System

Содержание WARTSILA 34DF

Страница 1: ...WÄRTSILÄ 34DF PRODUCT GUIDE ...

Страница 2: ...AL MATTERS SUITED ONLY FOR SPECIALISTS IN THE AREA AND THE DESIGN OF THE SUBJECT PRODUCTS IS SUBJECT TO REGULAR IMPROVEMENTS MODIFICATIONS AND CHANGES CONSEQUENTLY THE PUBLISHER AND COPYRIGHT OWNER OF THIS PUBLICATION CAN NOT ACCEPT ANY RESPONSIBILITY OR LIABILITY FOR ANY EVENTUAL ERRORS OR OMISSIONS IN THIS BOOKLET OR FOR DISCREPANCIES ARISING FROM THE FEATURES OF ANY ACTUAL ITEM IN THE RESPECTIV...

Страница 3: ...s issues of the Wärtsilä 34DF Product Guides Updates Published Issue Technical data updated 23 09 2016 2 2016 Technical data updated Cylinder output 435 450 kW removed 15 09 2016 1 2016 Process drawings and technical data updated 17 12 2015 3 2015 Process drawings updated Fuel sharing mode and low load optimization added 13 11 2015 2 2015 Updates throughout the product guide 27 02 2015 1 2015 Sept...

Страница 4: ...systems 4 7 4 3 Cross section of the engine 4 9 4 4 Overhaul intervals and expected life times 4 9 4 5 Engine storage 5 1 5 Piping Design Treatment and Installation 5 1 5 1 Pipe dimensions 5 2 5 2 Trace heating 5 2 5 3 Pressure class 5 3 5 4 Pipe class 5 4 5 5 Insulation 5 4 5 6 Local gauges 5 4 5 7 Cleaning procedures 5 5 5 8 Flexible pipe connections 5 6 5 9 Clamping of pipes 6 1 6 Fuel System 6...

Страница 5: ...13 3 Methods to reduce exhaust emissions 14 1 14 Automation System 14 1 14 1 UNIC C3 14 7 14 2 Functions 14 13 14 3 Alarm and monitoring signals 14 13 14 4 Electrical consumers 15 1 15 Foundation 15 1 15 1 Steel structure design 15 1 15 2 Mounting of main engines 15 13 15 3 Mounting of generating sets 15 17 15 4 Flexible pipe connections 16 1 16 Vibration and Noise 16 1 16 1 External forces and co...

Страница 6: ...nsport Dimensions and Weights 19 1 19 1 Lifting of main engines 19 3 19 2 Lifting of generating sets 19 4 19 3 Engine components 20 1 20 Product Guide Attachments 21 1 21 ANNEX 21 1 21 1 Unit conversion tables 21 2 21 2 Collection of drawing symbols used in drawings vi Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide Table of contents ...

Страница 7: ...speed 1 2 Maximum continuous output Table 1 1 Rating table for Wärtsilä 34DF Generating sets Main engines 750 rpm Cylinder configuration 750 rpm 720 rpm Generator kVA Engine kW Generator kVA Engine kW Engine kW 3600 3000 3460 2880 3000 Wärtsilä 6L34DF 4800 4000 4610 3840 4000 Wärtsilä 8L34DF 5400 4500 5180 4320 4500 Wärtsilä 9L34DF 7200 6000 6910 5760 6000 Wärtsilä 12V34DF 9600 8000 9220 7680 8000...

Страница 8: ...ations due to methane number and charge air receiver temperature Fig 1 1 Output limitations due to methane number and charge air receiver temperature 1 2 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 1 Main Data and Outputs ...

Страница 9: ... temperature shall be above the dew point otherwise condensation will occur in the charge air cooler Each 10 C higher charge air receiver temperature from 45 C means a 18 kPa higher charge air pressure This will have influence on the KGAS derating and on the KTC derating calculation The charge air receiver temperature is approximately 5 10 C higher than the charge air coolant temperature at rated ...

Страница 10: ...raph above nor lower heating value above 36 MJ m3 N Values are given in m3N is at 0 C and 101 3 kPa If the gas pressure is lower than required a pressure booster unit can be installed before the gas regulating unit to ensure adequate gas pressure If pressure arise is not possible the engine output has to be adjusted according to above A 18 kPa higher gas feed pressure is required per 10 C higher c...

Страница 11: ...according to ISO 3046 1 2002 E 100 kPa total barometric pressure 25 C air temperature 30 relative humidity 25 C charge air coolant temperature Correction factors for the fuel oil consumption in other ambient conditions are given in standard ISO 3046 1 2002 1 5 Operation in inclined position Max inclination angles at which the engine will operate satisfactorily Table 1 2 Inclination with Normal Oil...

Страница 12: ...345 2610 2550 6869 500 Wärtsilä 9L34DF Weight WE3 LE5 WE6 HE6 HE5 LE3 WE5 WE2 kW Cyl Engine 35 4 880 765 1005 610 1660 1215 1425 1350 500 Wärtsilä 6L34DF 44 880 705 1340 607 1718 1285 1650 1350 500 Wärtsilä 8L34DF 49 2 880 705 1340 607 1718 1285 1650 1350 500 Wärtsilä 9L34DF All dimensions are in mm Weight in metric tons with liquids wet oil sump but without flywheel 1 6 Wärtsilä 34DF Product Guid...

Страница 13: ... Wärtsilä 16V34DF Weight WE2 LE5 WE6 HE6 HE5 WE4 LE3 WE5 kW Cyl Engine 61 1590 555 540 460 1915 850 1985 1450 500 Wärtsilä 12V34DF 77 1590 1225 575 550 2020 850 1925 1665 500 Wärtsilä 16V34DF All dimensions are in mm Weight in metric tons with liquids wet oil sump but without flywheel Wärtsilä 34DF Product Guide a16 23 September 2016 1 7 1 Main Data and Outputs Wärtsilä 34DF Product Guide ...

Страница 14: ...645 1285 8650 10410 480 Wärtsilä 8L34DF 87 1055 1630 2345 4180 2200 2510 2890 3845 1285 8850 10610 480 W 9L34DF 99 1375 1900 2120 4335 2200 2620 3060 3775 1985 7950 10260 480 W 12V34DF 124 1375 1850 2120 4445 2500 2920 3360 3765 1925 9130 11465 480 W 16V34DF Dependent on generator and flexible coupling All dimensions in mm Weight in metric tons with liquids 1 8 Wärtsilä 34DF Product Guide a16 23 S...

Страница 15: ...ured shaft power and actual engine speed The shaft power meter is Wärtsilä supply The propulsion control must also include automatic limitation of the load increase rate Maximum loading rates can be found later in this chapter The propeller efficiency is highest at design pitch It is common practice to dimension the propeller so that the specified ship speed is attained with design pitch nominal e...

Страница 16: ...ng may result in alarms knock and undesired trips to diesel This ramp can also be used as normal loading rate in diesel mode once the engine has attained normal operating temperature The maximum loading rate emergency diesel is close to the maximum capability of the engine in diesel mode It shall not be used as the normal loading rate in diesel mode The load should always be applied gradually in n...

Страница 17: ...nes The propulsion control must not permit faster load reduction than 20 s from 100 to 0 without automatic transfer to diesel first 2 2 2 Constant speed applications Fig 2 3 Increasing load successively from 0 to 100 MCR Wärtsilä 34DF Product Guide a16 23 September 2016 2 3 2 Operating Ranges Wärtsilä 34DF Product Guide ...

Страница 18: ...eps The electrical system must be designed so that tripping of breakers can be safely handled This requires that the engines are protected from load steps exceeding their maximum load acceptance capability If fast load shedding is complicated to implement or undesired the instant load step capacity can be increased with a fast acting signal that requests transfer to diesel mode Fig 2 4 Maximum ins...

Страница 19: ...imum 100 hours continuous operation At intervals of 100 operating hours the engine must be loaded to minimum 70 of the rated output for 1 hour Before operating below 10 in gas mode the engine must run above 10 load for at least 10 minutes It is however acceptable to change to gas mode directly after the engine has reached nominal speed after the engine has started provided that the charge air temp...

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Страница 21: ... 4 4 3 8 4 4 3 8 4 4 3 8 4 4 3 8 kg s Flow at 75 load 3 1 3 0 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 kg s Flow at 50 load 361 381 370 381 370 381 346 362 381 381 355 362 C Temperature after turbocharger at 100 load TE 517 348 386 340 401 340 401 318 383 349 401 327 383 C Temperature after turbocharger at 75 load TE 517 333 340 366 402 366 402 346 386 371 402 350 386 C Temperature after turbocharg...

Страница 22: ...s pressure to Gas Valve Unit min 0 60 0 60 0 60 0 60 0 60 0 60 C Gas temperature before Gas Valve Unit Fuel oil system 700 50 700 50 700 50 700 50 700 50 700 50 kPa Pressure before injection pumps PT 101 3 2 3 2 3 2 3 1 3 2 3 1 m3 h Fuel oil flow to engine approx 16 24 16 24 16 24 16 24 16 24 16 24 cSt HFO viscosity before the engine 140 140 140 140 140 140 C Max HFO temperature before engine TE 1...

Страница 23: ...tatic 250 static 250 static 250 static 250 static 250 static kPa Pressure at engine after pump nom PT 401 530 530 530 530 530 530 kPa Pressure at engine after pump max PT 401 85 85 85 85 85 85 C Temperature before cylinders approx TE 401 96 96 96 96 96 96 C Temperature after engine nom 60 60 60 60 60 60 m3 h Capacity of engine driven pump nom 100 100 100 100 100 100 kPa Pressure drop over engine t...

Страница 24: ...eration Note 2 At 100 output and nominal speed The figures are valid for ambient conditions according to ISO 15550 except for LT water temperature which is corresponding to charge air receiver temperature 45ºC in gas operation With engine driven water and lubricating oil pumps Tolerance for cooling water heat 10 tolerance for radiation heat 30 Fouling factors and a margin to be taken into account ...

Страница 25: ... 362 381 370 381 370 381 346 362 381 381 355 362 C Temperature after turbochar ger at 100 load TE 517 349 386 340 401 340 401 318 383 349 401 327 383 C Temperature after turbochar ger at 75 load TE 517 333 341 360 402 366 402 346 386 371 402 350 386 C Temperature after turbochar ger at 50 load TE 517 4 4 4 4 4 4 kPa Backpressure max 700 638 696 638 696 638 683 629 702 638 688 629 mm Calculated exh...

Страница 26: ... 700 50 700 50 kPa Pressure before injection pumps PT 101 4 3 4 3 4 3 4 1 4 3 4 1 m3 h Fuel oil flow to engine approx 16 24 16 24 16 24 16 24 16 24 16 24 cSt HFO viscosity before the en gine 140 140 140 140 140 140 C Max HFO temperature before engine TE 101 2 0 2 0 2 0 2 0 2 0 2 0 cSt MDF viscosity min 45 45 45 45 45 45 C Max MDF temperature before engine TE 101 3 1 3 1 3 1 3 0 3 1 3 0 kg h Leak f...

Страница 27: ...ooling water system 250 static 250 static 250 static 250 static 250 static 250 static kPa Pressure at engine after pump nom PT 401 530 530 530 530 530 530 kPa Pressure at engine after pump max PT 401 85 85 85 85 85 85 C Temperature before cylinders approx TE 401 96 96 96 96 96 96 C Temperature after engine nom 80 75 75 75 75 75 m3 h Capacity of engine driven pump nom 100 100 100 100 100 100 kPa Pr...

Страница 28: ... tolerance 15 C in diesel mode operation Note 2 At 100 output and nominal speed The figures are valid for ambient conditions according to ISO 15550 except for LT water temperature which is corresponding to charge air receiver temperature 45ºC in gas operation With engine driven water and lubricating oil pumps Tolerance for cooling water heat 10 tolerance for radiation heat 30 Fouling factors and a...

Страница 29: ... 361 381 370 381 370 381 346 362 381 381 355 362 C Temperature after turbochar ger at 100 load TE 517 348 386 340 401 340 401 318 383 349 401 327 383 C Temperature after turbochar ger at 75 load TE 517 333 341 366 402 366 402 346 386 371 402 350 386 C Temperature after turbochar ger at 50 load TE 517 4 4 4 4 4 4 kPa Backpressure max 741 677 739 677 739 677 724 667 745 677 730 667 mm Calculated exh...

Страница 30: ...700 50 700 50 kPa Pressure before injection pumps PT 101 4 8 4 8 4 8 4 6 4 9 4 6 m3 h Fuel oil flow to engine approx 16 24 16 24 16 24 16 24 16 24 16 24 cSt HFO viscosity before the en gine 140 140 140 140 140 140 C Max HFO temperature before engine TE 101 2 0 2 0 2 0 2 0 2 0 2 0 cSt MDF viscosity min 45 45 45 45 45 45 C Max MDF temperature before engine TE 101 3 5 3 5 3 5 3 3 3 5 3 3 kg h Leak fu...

Страница 31: ...0 static 250 static 250 static 250 static 250 static 250 static kPa Pressure at engine after pump nom PT 401 530 530 530 530 530 530 kPa Pressure at engine after pump max PT 401 85 85 85 85 85 85 C Temperature before cylinders approx TE 401 96 96 96 96 96 96 C Temperature after engine nom 85 85 85 85 85 85 m3 h Capacity of engine driven pump nom 100 100 100 100 100 100 kPa Pressure drop over engin...

Страница 32: ... tolerance 15 C in diesel mode operation Note 2 At 100 output and nominal speed The figures are valid for ambient conditions according to ISO 15550 except for LT water temperature which is corresponding to charge air receiver temperature 45ºC in gas operation With engine driven water and lubricating oil pumps Tolerance for cooling water heat 10 tolerance for radiation heat 30 Fouling factors and a...

Страница 33: ...0 load 356 377 365 376 365 376 341 357 375 376 351 357 C Temperature after turbocharger at 100 load TE 517 344 382 335 397 335 397 314 378 344 397 323 378 C Temperature after turbocharger at 75 load TE 517 329 337 362 398 362 398 342 382 366 398 346 382 C Temperature after turbocharger at 50 load TE 517 4 4 4 4 4 4 kPa Backpressure max 853 779 850 778 850 778 833 767 856 778 840 767 mm Calculated ...

Страница 34: ...l oil flow to engine approx 16 24 16 24 16 24 16 24 16 24 16 24 cSt HFO viscosity before the engine 140 140 140 140 140 140 C Max HFO temperature before engine TE 101 2 0 2 0 2 0 2 0 2 0 2 0 cSt MDF viscosity min 45 45 45 45 45 45 C Max MDF temperature before engine TE 101 4 7 4 6 4 6 4 4 4 6 4 4 kg h Leak fuel quantity HFO clean fuel at 100 load 23 4 11 7 23 2 11 6 23 2 11 6 22 1 11 1 23 2 11 6 2...

Страница 35: ... 96 96 C Temperature after engine nom 100 100 100 100 100 100 m3 h Capacity of engine driven pump nom 100 100 100 100 100 100 kPa Pressure drop over engine total 100 100 100 100 100 100 kPa Pressure drop in external system max 70 150 70 150 70 150 70 150 70 150 70 150 kPa Pressure from expansion tank 0 74 0 74 0 74 0 74 0 74 0 74 m3 Water volume in engine 250 250 250 250 250 250 kPa Delivery head ...

Страница 36: ...LT water temperature which is corresponding to charge air receiver temperature 45ºC in gas operation With engine driven water and lubricating oil pumps Tolerance for cooling water heat 10 tolerance for radiation heat 30 Fouling factors and a margin to be taken into account when dimensioning heat exchangers Note 3 At ambient conditions according to ISO 15550 and receiver temperature 45 C Lower calo...

Страница 37: ...w at 50 load 357 376 365 376 365 376 341 357 375 376 351 357 C Temperature after turbochar ger at 100 load TE 517 344 382 335 397 335 397 314 378 344 397 323 378 C Temperature after turbochar ger at 75 load TE 517 329 337 362 398 362 398 342 382 366 398 346 382 C Temperature after turbochar ger at 50 load TE 517 4 4 4 4 4 4 kPa Backpressure max 985 899 981 899 981 899 962 886 989 899 970 886 mm Ca...

Страница 38: ...0 50 700 50 kPa Pressure before injection pumps PT 101 8 5 8 5 8 5 8 1 8 6 8 2 m3 h Fuel oil flow to engine approx 16 24 16 24 16 24 16 24 16 24 16 24 cSt HFO viscosity before the en gine 140 140 140 140 140 140 C Max HFO temperature before engine TE 101 2 0 2 0 2 0 2 0 2 0 2 0 cSt MDF viscosity min 45 45 45 45 45 45 C Max MDF temperature before engine TE 101 6 2 6 2 6 2 5 9 6 2 5 9 kg h Leak fuel...

Страница 39: ...tic 250 static 250 static 250 static 250 static 250 static kPa Pressure at engine after pump nom PT 401 530 530 530 530 530 530 kPa Pressure at engine after pump max PT 401 85 85 85 85 85 85 C Temperature before cylinders approx TE 401 96 96 96 96 96 96 C Temperature after engine nom 140 140 140 140 140 140 m3 h Capacity of engine driven pump nom 100 100 100 100 100 100 kPa Pressure drop over engi...

Страница 40: ...ure tolerance 15 C in diesel mode operation Note 2 At 100 output and nominal speed The figures are valid for ambient conditions according to ISO 15550 except for LT water temperature which is corresponding to charge air receiver temperature 45ºC in gas operation With engine driven water and lubricating oil pumps Tolerance for cooling water heat 10 tolerance for radiation heat 30 Fouling factors an...

Страница 41: ...e oil sump offers the possibility to lower and lift the main bearing caps e g when inspecting the bearings Lubricating oil is led to the bearings and piston through this jack A combined flywheel thrust bearing is located at the driving end of the engine The oil sump a light welded design is mounted on the engine block from below and sealed by O rings The oil sump is available in two alternative de...

Страница 42: ...ner The cylinder liners are centrifugally cast of a special grey cast iron alloy developed for good wear resistance and high strength Cooling water is distributed around upper part of the liners with water distribution rings The lower part of liner is dry To eliminate the risk of bore polishing the liner is equipped with an anti polishing ring 4 2 6 Piston The piston is of composite design with no...

Страница 43: ...eed system For more details about the fuel system see chapter Fuel System 4 2 11 1 Fuel gas system The fuel gas system on the engine comprises the following built on equipment Low pressure fuel gas common rail pipe Gas admission valve for each cylinder Safety filters at each gas admission valve Common rail pipe venting valve Double wall gas piping The gas common rail pipe delivers fuel gas to each...

Страница 44: ...the injection pumps are also completely sealed off from the camshaft compartment 4 2 11 3 Pilot fuel injection system The pilot fuel injection system is used to ignite the air gas mixture in the cylinder when operating the engine in gas mode The pilot fuel injection system uses the same external fuel feed system as the main fuel oil injection system The pilot fuel system comprises the following bu...

Страница 45: ...be located in the driving end of the engine Vertical longitudinally inclined and horizontal exhaust gas outlets are available In order to optimize the turbocharging system for both high and low load performance as well as diesel mode and gas mode operation a pressure relief valve system waste gate is installed on the exhaust gas side The waste gate is activated at high load The charge air cooler i...

Страница 46: ...onventional heavy duty cables are used on the engine and the number of connectors are minimised Power supply bus communication and safety critical functions are doubled on the engine All cables to from external systems are connected to terminals in the main cabinet on the engine 4 6 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 4 Description of the Engine ...

Страница 47: ...4 3 Cross section of the engine Fig 4 2 Cross section of the in line engine Wärtsilä 34DF Product Guide a16 23 September 2016 4 7 4 Description of the Engine Wärtsilä 34DF Product Guide ...

Страница 48: ...Fig 4 3 Cross section of the V engine 4 8 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 4 Description of the Engine ...

Страница 49: ...00 Piston rings 60000 100000 60000 100000 12000 20000 16000 24000 Cylinder liner 60000 100000 60000 100000 12000 20000 16000 24000 Cylinder head 24000 40000 32000 48000 12000 20000 16000 24000 Inlet valve 24000 40000 32000 48000 12000 20000 16000 24000 Exhaust valve 4000 6000 4000 8000 2000 4000 8000 Injection valve nozzle 12000 16000 12000 16000 12000 16000 12000 16000 Injection valve complete 24...

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Страница 51: ...ion Pockets shall be avoided When not possible drain plugs and air vents shall be installed Leak fuel drain pipes shall have continuous slope Vent pipes shall be continuously rising Flanged connections shall be used cutting ring joints for precision tubes Flanged connections shall be used in fuel oil lubricating oil compressed air and fresh water piping Welded connections TIG must be used in gas f...

Страница 52: ...particularly if air is not dry Even these velocities can be high in terms of their effect on pressure drop In longer supply lines it is often necessary to restrict velocities to 15 m s to limit the pressure drop Pipeline sizing on pressure drop As a rule of thumb the pressure drop from the starting air vessel to the inlet of the engine should be max 0 1 MPa 1 bar when the bottle pressure is 3 MPa ...

Страница 53: ...est point of the pump curve at or near zero flow is 0 1 MPa 1 bar higher than the nominal point and consequently the discharge pressure may rise to 0 5 MPa 5 bar with closed or throttled valves Consequently a design pressure of not less than 0 5 MPa 5 bar shall be selected The nearest pipe class to be selected is PN6 Piping test pressure is normally 1 5 x the design pressure 0 75 MPa 7 5 bar Stand...

Страница 54: ... after heat exchangers etc Pressure gauges should be installed on the suction and discharge side of each pump 5 7 Cleaning procedures Instructions shall be given at an early stage to manufacturers and fitters how different piping systems shall be treated cleaned and protected 5 7 1 Cleanliness during pipe installation All piping must be verified to be clean before lifting it onboard for installati...

Страница 55: ... 20 minutes at 40 50 C rinsed with hot water and blown dry with compressed air Great cleanliness shall be approved in all work phases after completed pickling 5 8 Flexible pipe connections Pressurized flexible connections carrying flammable fluids or compressed air have to be type approved Great care must be taken to ensure proper installation of flexible pipe connections between resiliently mount...

Страница 56: ...rst support First three supports closest to the engine or generating set should be fixed supports Where necessary sliding supports can be used after these three fixed supports to allow thermal expansion of the pipe Supports should never be welded directly to the pipe Either pipe clamps or flange supports should be used for flexible connection Examples of flange support structures are shown in Figu...

Страница 57: ...upports of flexible pipe connections 4V60L0796 Fig 5 3 Pipe clamp for fixed support 4V61H0842 Wärtsilä 34DF Product Guide a16 23 September 2016 5 7 5 Piping Design Treatment and Installation Wärtsilä 34DF Product Guide ...

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Страница 59: ...lue that gives a scale for evaluation of the resistance to knock of gaseous fuels Above table is valid for a low MN optimized engine Minimum value is depending on engine configuration which will affect the performance data However if the total content of hydrocarbons C5 and heavier is more than 1 volume Wärtsilä has to be contacted for further evaluation 3 Hydrogen content higher than 3 volume has...

Страница 60: ...ace amounts of residual fuel and is intended for engines not specifically designed to burn residual fuels It is generally designated as MDO Marine Diesel Oil Table 6 3 MDF specifications Test method ref ISO F DMB ISO F DMZ ISO F DMA Unit Property 2 0 2 0 2 0 cSt Viscosity before pilot fuel pump min 1 11 0 11 0 11 0 cSt Viscosity before pilot fuel pump max 1 2 0 2 0 2 0 cSt Viscosity before main in...

Страница 61: ...st 10 C above fuel s pour point cloud point and cold filter plugging point 9 NOTE Pilot fuel quality must be according to DMX DMA DMZ or DMB Lubricating oil foreign substances or chemical waste hazardous to the safety of the installation or detrimental to the performance of engines should not be contained in the fuel 6 1 2 3 Heavy Fuel Oil HFO Residual fuel grades are referred to as HFO Heavy Fuel...

Страница 62: ...y concerning fuels originating from modern and more complex refinery process 3 The max sulphur content must be defined in accordance with relevant statutory limitations 4 Sodium contributes to hot corrosion on the exhaust valves when combined with high sulphur and vanadium contents Sodium also strongly contributes to fouling of the exhaust gas turbine blading at high loads The aggressiveness of th...

Страница 63: ...ulphur max ISO 10307 1 0 05 mass Total sediment existent max ISO 3733 0 20 volume Water before engine max ISO 10370 0 50 mass Micro carbon residue max ISO 6245 LP1001 0 05 mass Ash max ISO 10478 100 mg kg Phosphorus max ISO 10478 15 mg kg Silicon max ISO 10478 30 mg kg Alkali content Na K max ISO 2719 60 C Flash point PMCC min ISO 3015 3 C Cloud point max IP 309 3 C Cold filter plugging point max ...

Страница 64: ... Class 1 Rating Copper strip corrosion 3h at 50 C max EN 14104 0 5 mg KOH g Acid number max EN 14111 16300 120 g iodine 100 g Iodine number max EN 14103 96 5 mass FAME content min 2 EN 14103 12 mass Linolenic acid methyl ester max EN 15779 1 mass Polyunsaturated methyl esters max EN 14110 0 2 mass Methanol content max EN 14105 0 7 mass Monoglyceride content max EN 14105 0 2 mass Diglyceride conten...

Страница 65: ...ode the engine operates only on liquid fuel oil MDF or HFO is used as fuel with a conventional diesel fuel injection system The MDF pilot injection is always active 6 2 3 Backup mode operation The engine control and safety system or the blackout detection system can in some situations transfer the engine to backup mode operation In this mode the MDF pilot injection system is not active and operati...

Страница 66: ...Main gas pressure PT901 Engine phase primary ST197P Engine speed 1 ST173 MCC degasing valve control CV947 Engine phase secondary ST197S Engine speed 2 ST174 Knock cyl A SE6 4A Engine speed primary ST196P Turning gear engaged GS792 Engine speed secondary ST196S Size Pipe connections DN80 125 Gas inlet 108 DN50 Gas system ventilation 708 M42 x 2 Air inlet to double wall gas system 726 6 8 Wärtsilä 3...

Страница 67: ...hase primary ST197P Engine speed 1 ST173 MCC degasing valve control CV947 Engine phase secondary ST197S Engine speed 2 ST174 Knock cyl A B S E 6 4 A B Engine speed primary ST196P Turning gear engaged GS792 Engine speed secondary ST196S Size Pipe connections DN80 125 Gas inlet 108 DN50 Gas system ventilation 708 M42 x 2 Air inlet to double wall gas system 726 Wärtsilä 34DF Product Guide a16 23 Sept...

Страница 68: ...urned gas is escaping directly from the inlet to the exhaust The annular space in double wall piping is ventilated artificially by underpressure created by ventilation fans The air inlet to the annular space is located at the engine The ventilation air is to be taken from a location outside the engine room through dedicated piping In addition the ventilation requirements from the project specific ...

Страница 69: ...ent cabinet DAAF022750D Pipe connections System components Gas inlet 108 Gas detector 01 Gas system ventilation 708 Gas double wall system ventilation fan 02 Air inlet to double wall gas system 726 Gas valve unit 10N05 LNGPAC 10N08 Wärtsilä 34DF Product Guide a16 23 September 2016 6 11 6 Fuel System Wärtsilä 34DF Product Guide ...

Страница 70: ... DAAF077105 Pipe connections System components Gas inlet 108 Gas detector 01 Gas system ventilation 708 Gas double wall system ventilation fan 02 Air inlet to double wall gas system 726 Gas valve unit 10N05 LNGPAC 10N08 6 12 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 6 Fuel System ...

Страница 71: ...r is taken from both inlets and lead through the annular space of the double wall pipe to the GVU room or to the enclosure of the gas valve unit From the enclosure of the gas valve unit a dedicated ventilation pipe is connected to the ventilation fans and from the fans the pipe continues to the safe area The 1 5 meter hazardous area will be formed at the ventilation air inlet and outlet and is to ...

Страница 72: ...bleed function will relief the pressure trapped between the block valves after closing of the block valves The block valves V03 and V05 and inert gas valve V07 are operated as fail to close i e they will close on current failure Venting valves V02 and V04 are fail to open they will open on current failure There is a connection for inerting the fuel gas pipe with nitrogen see figure Gas valve unit ...

Страница 73: ...ssure transmitter control air P06 Pressure manometer gas inlet P02 Pressure difference transmitter P07 Pressure transmitter P03 Temperature sensor gas inlet T01 Pressure transmitter gas outlet P04 Pipe connections Gas venting D1 Gas inlet 5 10 bar g A1 Air venting D2 Gas to engine B1 Instrument air 6 8 bar g X1 Inert gas max 15 bar g B2 Pipe size DN100 GVU DN80 GVU DN50 GVU Pos DN100 GVU DN80 GVU ...

Страница 74: ...l gas piping During a stop sequence of a DF engine gas operation the GVU and DF engine gas venting valves performs a ventilation sequence to relieve pressure from gas piping Additionally in emergency stop V02 will relief pressure from gas piping upstream from the GVU This small amount of gas can be ventilated outside into the atmosphere to a place where there are no sources of ignition Alternative...

Страница 75: ...n the engine Upstream from the GVU double block and bleed valves the inerting is performed from the gas storage system by feeding inert gas downstream the fuel gas pipe and out from the GVU gas ventilation pipe In addition to maintenance during certain alarm and emergency situations e g annular space ventilation failure and or gas leak detection the fuel gas piping is to be flushed with inert gas ...

Страница 76: ...gine inlet PT112 Fuel oil temperature engine inlet TE101 Pilot fuel oil temperature egnine inlet TE112 Pilot injection valve cyl A CV10 3A Pilot fuel oil pressure control CV124 Pilot fuel clean leakage A bank LS103 1A Pilot fuel oil pressure pump outlet PT125 Fuel oil leakage clean primary A bank LS103A Pilot fuel oil filter pressure difference PDS129 Fuel oil leakage dirty fuel A bank LS108A Pipe...

Страница 77: ...Pipe connections OD22 Pilot fuel inlet 112 117 Wärtsilä 34DF Product Guide a16 23 September 2016 6 19 6 Fuel System Wärtsilä 34DF Product Guide ...

Страница 78: ...e engine inlet TE101 Pilot fuel oil temperature egnine inlet TE112 Pilot injection valve cyl A CV10 3A Pilot fuel oil pressure control CV124 Pilot fuel clean leakage A bank LS103 1A Pilot fuel oil pressure pump outlet PT125 Fuel oil leakage clean primary A bank LS103A Pilot fuel oil filter pressure difference PDS129 Fuel oil leakage dirty fuel A bank LS108A Pipe connections DN32 Fuel inlet outlet ...

Страница 79: ...essure inlet PT112 Pilot injection valve CV10 3A Pilot fuel oil pressure control CV124 Pilot fuel clean leakage A B bank LS103 1A 1B Pilot fuel oil pressure pump outlet PT125 Fuel oil leakage clean primary A B bank LS103A B Pilot fuel oil filter pressure difference PDS129 Fuel oil leakage dirty fuel A B bank LS108A B 500kW cyl Pipe connections DN32 Fuel inlet outlet 101 102 DN20 Leak fuel drain cl...

Страница 80: ...oorly centrifuged fuel is harmful to the engine and a high content of water may also damage the fuel feed system Injection pumps generate pressure pulses into the fuel feed and return piping The fuel pipes between the feed unit and the engine must be properly clamped to rigid structures The distance between the fixing points should be at close distance next to the engine See chapter Piping design ...

Страница 81: ...arest viscosity temperature line in the diagram Example 2 Known viscosity 60 cSt at 50 C K The following can be read along the dotted line viscosity at 80 C 20 cSt temperature at fuel injection pumps 74 87 C separating temperature 86 C minimum bunker tank temperature 28 C 6 4 2 2 Fuel tanks The fuel oil is first transferred from the bunker tanks to settling tanks for initial separation of sludge a...

Страница 82: ...ng with MDF from a gravity tank is foreseen then the tank must be located at least 15 m above the engine crankshaft 6 4 2 2 3 Leak fuel tank clean fuel 1T04 Clean leak fuel is drained by gravity from the engine The fuel should be collected in a separate clean leak fuel tank from where it can be pumped to the day tank and reused without separation The pipes from the engine to the clean leak fuel ta...

Страница 83: ...xceeding 991 kg m3 at 15 C In this case the main and stand by separators should be run in parallel When separators with gravity disc are used then each stand by separator should be operated in series with another separator so that the first separator acts as a purifier and the second as clarifier This arrangement can be used for fuels with a density of max 991 kg m3 at 15 C The separators must be ...

Страница 84: ... actual fuel quality and recommended throughput of the separator The pump should be protected by a suction strainer mesh size about 0 5 mm An approved system for control of the fuel feed rate to the separator is required MDF HFO Design data 0 5 MPa 5 bar 0 5 MPa 5 bar Design pressure 50 C 100 C Design temperature 100 cSt 1000 cSt Viscosity for dimensioning electric motor 6 26 Wärtsilä 34DF Product...

Страница 85: ...he heaters to be provided with safety valves and drain pipes to a leakage tank so that the possible leakage can be detected 6 4 2 3 5 Separator 1S01 1S02 Based on a separation time of 23 or 23 5 h day the service throughput Q l h of the separator can be estimated with the formula where max continuous rating of the diesel engine s kW P specific fuel consumption 15 safety margin g kWh b density of t...

Страница 86: ...em MDF single engine installation DAAE055756C Pipe connections System components Fuel inlet 101 Cooler MDF 1E04 Fuel outlet 102 Fine filter MDF 1F05 Leak fuel drain clean fuel 103 Suction strainer MDF 1F07 Leak fuel drain dirty fuel 104 Flow meter MDF 1I03 Pilot fuel inlet 112 Circulation pump MDF 1P03 Pilot fuel outlet 117 A B Stand by pump MDF 1P08 Day tank MDF 1T06 Quick closing valve fuel oil ...

Страница 87: ...32 DN32 Fuel inlet Fuel outlet 101 102 DN20 OD28 Leak fuel drain clean fuel 1031 DN20 Leak fuel drain clean fuel 1032 DN20 OD28 Leak fuel drain clean fuel 1033 DN20 Leak fuel drain clean fuel 1034 OD22 OD28 Leak fuel drain dirty fuel 1041 OD22 Leak fuel drain dirty fuel 1042 DN32 OD22 Leak fuel drain dirty fuel 1043 DN32 Leak fuel drain dirty fuel 1044 OD18 OD18 Pilot fuel inlet Pilot fuel outlet ...

Страница 88: ...tank one consumption meter is sufficient for monitoring of the fuel consumption provided that the meter is installed in the feed line from the day tank before the return fuel tank A fuel oil cooler is usually required with a return fuel tank The total resistance of the flow meter and the suction strainer must be small enough to ensure a positive static pressure of about 30 kPa on the suction side ...

Страница 89: ...in 15 Margin heat rate fouling 50 150 C Design temperature MDF HFO installa tion 6 4 2 4 5 Return fuel tank 1T13 The return fuel tank shall be equipped with a vent valve needed for the vent pipe to the MDF day tank The volume of the return fuel tank should be at least 100 l 6 4 2 4 6 Black out start Diesel generators serving as the main source of electrical power must be able to resume their opera...

Страница 90: ...w valve HFO MDF 1V05 1 Viscosity meter booster unit 1I02 Venting valve booster unit 1V07 Feeder Booster unit 1N01 Change over valve for leak fuel 1V13 Pump and filter unit HFO MDF 1N03 Quick closing valve fuel oil tank 1V10 Fuel feed pump booster unit 1P04 V34DF 480 500kW cyl V34DF 435 450kW cyl L34DF 480 500kW cyl L34DF 435 450kW cyl Pipe connections DN32 DN32 DN32 DN32 Fuel inlet Fuel outlet 101...

Страница 91: ...stained operation on MDF usually requires a fuel oil cooler The viscosity at the engine shall not drop below the minimum limit stated in chapter Technical data 6 4 2 5 3 Number of engines in the same system When the fuel feed unit serves Wärtsilä 34DF engines only maximum one engine should be connected to the same fuel feed circuit unless individual circulating pumps before each engine are install...

Страница 92: ...m panel The above equipment is built on a steel frame which can be welded or bolted to its foundation in the ship The unit has all internal wiring and piping fully assembled All HFO pipes are insulated and provided with trace heating Fig 6 16 Feeder booster unit example DAAE006659 6 4 2 5 4 1 Fuel feed pump booster unit 1P04 The feed pump maintains the pressure in the fuel feed system It is recomm...

Страница 93: ...ature 0 3 0 5 MPa 3 5 bar Set point 6 4 2 5 4 3 Automatic filter booster unit 1F08 It is recommended to select an automatic filter with a manually cleaned filter in the bypass line The automatic filter must be installed before the heater between the feed pump and the de aeration tank and it should be equipped with a heating jacket Overheating temperature exceeding 100 C is however to be prevented ...

Страница 94: ...When more than one engine is connected to the same feeder booster unit individual circulation pumps 1P12 must be installed before each engine Design data Capacity 5 x the total consumption of the connected engines without circulation pumps 1P12 15 more than total capacity of all circulation pumps with circulation pumps 1P12 1 6 MPa 16 bar Design pressure 1 0 MPa 10 bar Max total pressure safety va...

Страница 95: ...to ensure equal circulation through all engines With a common circulation pump for several engines the fuel flow will be divided according to the pressure distribution in the system which also tends to change over time and the control valve on the engine has a very flat pressure versus flow curve In installations where MDF is fed directly from the MDF tank 1T06 to the circulation pump a suction st...

Страница 96: ...sign data Equal to circulation pump 1P06 Capacity 1 6 MPa 16 bar Design pressure 150 C Design temperature 0 2 0 7 MPa 2 7 bar Set point Δp 6 4 2 5 7 Pilot fuel feed pump MDF 1P13 The pilot fuel feed pump is needed in HFO installations The pump feed the engine with MDF fuel to the pilot fuel system No HFO is allowed to enter the pilot fuel system It is recommended to use a screw pump as circulation...

Страница 97: ... engine connections 101 and 102 are disconnected and the supply and return lines are connected with a temporary pipe or hose on the installation side All filter inserts are removed except in the flushing filter of course The automatic filter and the viscosimeter should be bypassed to prevent damage The fineness of the flushing filter should be 35 μm or finer Wärtsilä 34DF Product Guide a16 23 Sept...

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Страница 99: ...uel S content m m Lubricating oil BN Fuel standard Category 4 5 30 55 GRADE NO 4D GRADE NO 5 6 DMC RMA10 RMK55 DC A30 K700 RMA10 RMK700 ASTM D 975 01 ASTM D 396 04 BS MA 100 1996 CIMAC 2003 ISO 8217 2012 E C In installation where engines are running periodically with different fuel qualities i e natural gas MDF and HFO lubricating oil quality must be chosen based on HFO requirements BN 50 55 lubri...

Страница 100: ...EP gear oils viscosity 400 500 cSt at 40 C ISO VG 460 An updated list of approved oils is supplied for every installation 7 1 4 Pilot fuel pump It is recommended to use lithium soap based EP greases having a penetration of 300 350 when measured according to ASTM D 217 standard and being classed as NLGI Grade 1 at 30 70 C operating temperature An updated list of approved oils is supplied for every ...

Страница 101: ...il temperature TC A inlet TE272 Lubricating oil pressure engine inlet PTZ201 Control oil pressure after VIC valve A bank PT291A Lubricating oil temperature engine inlet TE201 VIC control valve A bank CV381 Lubricating oil temperature engine inlet TI201 Crankcase pressure PT700 Lubricating oil stand by pump start PS210 Main bearing temperature TE7 Lube oil pressure filter inlet PT241 Big end bearin...

Страница 102: ...Size Pipe connections DN50 Inert gas inlet 723 7 4 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 7 Lubricating Oil System ...

Страница 103: ...let PT201 Lubricating oil temperature TC A inlet TE272 Lubricating oil pressure engine inlet PTZ201 Control oil pressure after VIC valve A bank PT291A Lubricating oil temperature engine inlet TE201 VIC control valve A bank CV381 Lubricating oil temperature engine inlet TI201 Crankcase pressure PT700 LO low level wet sump LS204 Main bearing temperature TE7 Lubricating oil stand by pump start PS210 ...

Страница 104: ...3 DN40 Lube oil to separator and drain 214 DN40 plug Lube oil filling 215 M22 1 5 plug Lube oil drain 216 DN100 Crankcase air vent 701 DN50 Inert gas inlet 723 7 6 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 7 Lubricating Oil System ...

Страница 105: ...let PT281 Lubricating oil pressure engine inlet PTZ201 Lubricating oil temperature TC B outlet TE282 Lubricating oil temperature engine inlet TE201 Control oil pressure after VIC valve A bank PT291A Lubricating oil temperature engine inlet TI201 VIC control valve A bank CV381 Lubricating oil low level wet sump LS204 Crankcase pressure PT700 Lub oil stand by pump start if stand by pump PS210 Main b...

Страница 106: ...t sump 213 DN40 Lubricating oil to separator and drain wet sump 214 DN40 plug Lubricating oil filling wet sump 215 M22 x 1 5 Lubricating oil drain wet sump 216 DN125 Crankcase air vent 701 DN50 Inert gas inlet 723 7 8 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 7 Lubricating Oil System ...

Страница 107: ...t PT201 Lube oil pressure TC B inlet PT281 Lubricating oil pressure engine inlet PTZ201 Lube oil temperature TC B outlet TE282 Lubricating oil temperature engine inlet TE201 Control oil pressure after VIC valve A bank PT291A Lubricating oil temperature engine inlet TI201 VIC control valve A bank CV381 Lubricating oil stand by pump start PS210 Crankcase pressure PT700 Lube oil pressure filter inlet...

Страница 108: ...n pump 203 DN125 Lube oil to priming pump 205 DN125 Lube oil from electrical driven pump 208 DN125 Crankcase air vent 701 DN50 Inert gas inlet 723 7 10 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 7 Lubricating Oil System ...

Страница 109: ... pump equipped with a safety valve The pump should always be running when the engine is stopped Concerning flow rate and pressure of the pre lubricating oil pump see Technical data The lubricating oil module built on the engine consists of the lubricating oil cooler thermostatic valve and automatic filter The centrifugal filter is installed to clean the back flushing oil from the automatic filter ...

Страница 110: ...m separator and filling 213 Suction strainer stand by pump 2F06 DN40 Lubricating oil to separator and drain 214 Separator unit 2N01 DN40 Lubricating oil filling 215 Separator pump separator unit 2P03 M22 1 5 Lubricating oil drain 216 Stand by pump 2P04 DN125 DN100 Crankcase air vent 701 Separator 2S01 DN50 Inert gas inlet 723 Condensate trap 2S02 New oil tank 2T03 Renovating oil tank 2T04 Renovate...

Страница 111: ...205 Suction filter separator unit 2F03 DN125 DN100 Lube oil from el driven pump 208 Suction strainer prelubricating oil pump 2F04 DN125 DN100 Crankcase air vent 701 Suction strainer stand by pump 2F06 DN50 DN50 Inert gas inlet 723 Separator unit 2N01 Separator pump separator unit 2P03 Stand by pump 2P04 Separator 2S01 Condensate trap 2S02 System oil tank 2T01 Sludge tank 2T06 Wärtsilä 34DF Product...

Страница 112: ...throughput of the separator Normally the pump is supplied and matched to the separator by the separator manufacturer The lowest foreseen temperature in the system oil tank after a long stop must be taken into account when dimensioning the electric motor 7 3 1 1 2 Separator preheater 2E02 The preheater is to be dimensioned according to the feed pump capacity and the temperature in the system oil ta...

Страница 113: ...ave a trumpet shaped or conical inlet to minimise the pressure loss For the same reason the suction pipe shall be as short and straight as possible and have a sufficient diameter A pressure gauge shall be installed close to the inlet of the lubricating oil pump The suction pipe shall further be equipped with a non return valve of flap type without spring The non return valve is particularly import...

Страница 114: ...oil tank arrangement DAAE007020e Design data 1 2 1 5 l kW see also Technical data Oil tank volume 75 80 of tank volume Oil level at service 60 of tank volume Oil level alarm 7 3 3 New oil tank 2T03 In engines with wet sump the lubricating oil may be filled into the engine using a hose or an oil can through the dedicated lubricating oil filling connection 215 Alternatively trough the crankcase cove...

Страница 115: ...ectric motor 7 4 Crankcase ventilation system The purpose of the crankcase ventilation is to evacuate gases from the crankcase in order to keep the pressure in the crankcase within acceptable limits Each engine must have its own vent pipe into open air The crankcase ventilation pipes may not be combined with other ventilation pipes e g vent pipes from the system oil tank The diameter of the pipe s...

Страница 116: ...ilation pipe D com ing from the engine For more information about ventilation pipe D size see the external lubricating oil system drawing The max back pressure must also be considered when selecting the ventilation pipe size 7 18 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 7 Lubricating Oil System ...

Страница 117: ...riven stand by pump 2P04 is installed then piping shall be flushed running the pump circulating engine oil through a temporary external oil filter recommended mesh 34 microns into the engine oil sump through a hose and a crankcase door The pump shall be protected by a suction strainer 2F06 Whenever possible the separator unit shall be in operation during the flushing to remove dirt The separator u...

Страница 118: ...e properties to be analyzed are Viscosity BN AN Insolubles Fe and Particle Count Commissioning procedures shall in the meantime be continued without interruption unless the commissioning engineer believes the oil is contaminated 7 20 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 7 Lubricating Oil System ...

Страница 119: ... the engine is specified to run in arctic conditions an air waste gate is installed with an additional air consumption of 2 5 Nm3 h 8 2 Internal compressed air system All engines independent of cylinder number are started by means of compressed air with a nominal pressure of 3 MPa 30 bar The start is performed by direct injection of air into the cylinders through the starting air valves in the cyl...

Страница 120: ...lve 20 Flame arrestor 09 Solenoid valve for air wastegate valve 21 Safety valve 10 Slow turning solenoid valve 11 Sensors and indicators Slow turning solenoid valve CV331 Stop shutdown solenoid valve CV153 1 Exhaust wastegate control CV519 Stop shutdown solenoid valve 2 CV153 2 Charge air shut off valve control CV621 Starting air pressure engine inlet PT301 Charge air by pass valve control CV643 C...

Страница 121: ... valve 20 Flame arrestor 09 Solenoid valve for air wastegate valve 21 Safety valve 10 Slow turning solenoid valve 11 Sensors and indicators Slow turning solenoid valve CV331 Stop shutdown solenoid valve CV153 1 Exhaust wastegate control CV519 Stop shutdown solenoid valve 2 CV153 2 Charge air shut off valve control CV621 Starting air pressure engine inlet PT301 Charge air by pass valve control CV64...

Страница 122: ...ompressed air system DAAE055759C V34DF L34DF Pipe connections System components DN32 Starting air inlet 301 Cooler Starting air compressor unit 3E01 OD12 Instrument air inlet 320 Air filter starting air inlet 3F02 Starting air compressor unit 3N02 Air dryer unit 3N06 Compressor Starting air compressor unit 3P01 Separator Starting air compressor unit 3S01 Starting air vessel 3T01 8 3 1 Starting air...

Страница 123: ... manual valve for condensate drain If the air vessels are mounted horizontally there must be an inclination of 3 5 towards the drain valve to ensure efficient draining NOTE Minimum air pressure for slow turning is 1800 kPa Fig 8 4 Starting air vessel Weight kg Dimensions mm Size Litres D L3 1 L2 1 L1 274 480 110 243 1767 250 450 480 133 243 3204 500 625 650 133 255 2740 710 810 650 133 255 3560 10...

Страница 124: ...vessels 8 3 4 Air filter starting air inlet 3F02 Condense formation after the water separator between starting air compressor and starting air vessels create and loosen abrasive rust from the piping fittings and receivers Therefore it is recommended to install a filter before the starting air inlet on the engine to prevent particles to enter the starting air equipment An Y type strainer can be use...

Страница 125: ...important that water of acceptable quality and approved corrosion inhibitors are used directly when the system is filled after completed installation 9 1 1 Corrosion inhibitors The use of an approved cooling water additive is mandatory An updated list of approved products is supplied for every installation and it can also be found in the Instruction manual of the engine together with dosage and fu...

Страница 126: ...ore CAC PT471 HT water temperature after cylinder jackets TE402 LT water temperature before CAC TE471 HT water temperature after cylinder jackets TEZ402 LT water temperature after CAC TE482 HT water temperature after cylinder jackets TEZ402 1 HT water stand by pump start if stand by pump PS410 Size Pipe connections DN100 HT water inlet 401 DN100 HT water outlet 402 OD12 HT water air vent 404 OD28 ...

Страница 127: ...PS460 HT water temp jacket outlet A bank TEZ402 LT water pressure before CAC PT471 HT water temp jacket outlet A bank TEZ402 1 LT water temperature before CAC TE471 HT water temp jacket outlet B bank TE403 LT water temperature after CAC TE482 HT water temp jacket outlet B bank TEZ403 Size Pipe connections DN125 HT water inlet 401 DN125 HT water outlet 402 OD12 HT water air vent 404 DN32 Water from...

Страница 128: ...ng water pump inlet The HT temperature control valve is mounted on the engine while the LT temperature control valve is mounted in the external LT circuit after the engine The LT temperature control valve 4V09 is electrically controlled for exact adjustment of the charge air receiver temperature 9 2 1 Engine driven circulating pumps The LT and HT cooling water pumps are engine driven The engine dr...

Страница 129: ...control valve central cooler 4V08 Stand by pump HT 4P03 Temperature control valve charge air 4V09 Circulating pump preheater 4P04 Stand by pump LT 4P05 W34DF L34DF Pipe connections DN125 DN100 HT water inlet HT water outlet 401 402 OD12 HT water air vent 404 DN125 DN100 Water from preheater to HT circuit 406 DN125 DN100 HT water from stand by pump 408 OD12 HT water air vent from air cooler 416 D12...

Страница 130: ...air 4V09 Circulating pump preheater 4P04 Transfer pump 4P09 V34DF L34DF Pipe connections DN125 DN100 HT water inlet HT water outlet 401 402 OD12 HT water air vent 404 DN32 OD28 Water from preheater to HT circuit 406 OD12 HT water airvent from air cooler 416 DN125 DN100 LT water inlet LT water outlet 451 452 OD12 LT water air vent from air cooler 454 LT water to generator 460 LT water from generato...

Страница 131: ...er 4V08 Evaporator unit 4N02 Temperature control valve charge air 4V09 Circulating pump preheater 4P04 Transfer pump 4P09 V34DF L34DF Pipe connections DN125 DN100 HT water inlet HT water outlet 401 402 OD12 HT water air vent 404 DN32 OD28 Water from preheater to HT circuit 406 OD12 HT water airvent from air cooler 416 DN125 DN100 LT water inlet LT water outlet 451 452 OD12 OD12 LT water air vent f...

Страница 132: ...nd by pumps can in such case be worth considering also for this type of application 9 3 2 Sea water pump 4P11 The sea water pumps are always separate from the engine and electrically driven The capacity of the pumps is determined by the type of coolers and the amount of heat to be dissipated Significant energy savings can be achieved in most installations with frequency control of the sea water pu...

Страница 133: ...4V02 is strongly recommended in order to avoid HT temperature fluctuations during low load operation The set point is usually somewhere close to 75 ºC 9 3 7 Coolers for other equipment and MDF coolers As engine specific LT thermostatic valve is mandatory for DF engines the engine driven LT pump cannot be used for cooling of external equipment Instead separate cooling water pumps must be installed ...

Страница 134: ...sed for fresh water production central heating tank heating etc The system should in such case be provided with a temperature control valve to avoid unnecessary cooling as shown in the example diagrams With this arrangement the HT water flow through the heat recovery can be increased The heat available from HT cooling water is affected by ambient conditions It should also be taken into account tha...

Страница 135: ...m and will finally be released in the cooling water expansion tank Therefore the cooling water expansion tank has to be of closed top type to prevent release of gas into open air The DF engine cooling water expansion tank breathing has to be treated similarly to the gas pipe ventilation Openings into open air from the cooling water expansion tank other than the breather pipe have to be normally ei...

Страница 136: ...f two engines provided that this is acceptable for the operation of the ship If the cooling water circuits are separated from each other the energy is transferred over a heat exchanger 9 3 13 1 Heater 4E05 The energy source of the heater can be electric power steam or thermal oil It is recommended to heat the HT water to a temperature near the normal operating temperature The heating power determi...

Страница 137: ...unit electric 3V60L0562C Dimensions mm Pipe conn Weight kg Pump capacity m h Heater capacity kW E D C B A In outlet 60 HZ 50 Hz 460 240 660 900 1250 DN40 95 13 11 18 480 290 700 720 1050 DN40 100 13 11 22 5 480 290 700 900 1250 DN40 103 13 12 27 480 290 700 720 1050 DN40 105 13 12 30 480 290 700 900 1250 DN40 125 13 12 36 510 350 755 720 1250 DN40 145 13 12 45 510 350 755 900 1250 DN40 150 13 12 5...

Страница 138: ...to balance the waterflow between alternate flow paths 9 3 15 Thermometers and pressure gauges Local thermometers should be installed wherever there is a temperature change i e before and after heat exchangers etc Local pressure gauges should be installed on the suction and discharge side of each pump 9 14 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 9 Cooling Water...

Страница 139: ...r the ventilation air The amount of air required for ventilation note also that the earlier mentioned demand on 30 air exchanges hour has to be fulfilled is then calculated using the formula where air flow m s qv total heat emission to be evacuated kW Φ air density 1 13 kg m ρ specific heat capacity of the ventilation air 1 01 kJ kgK c temperature rise in the engine room C ΔT The heat emitted by t...

Страница 140: ...peed for enhanced flexibility In addition to manual control the fan speed can be controlled by engine load In multi engine installations each main engine should preferably have its own combustion air fan Thus the air flow can be adapted to the number of engines in operation The combustion air should be delivered through a dedicated duct close to the turbocharger directed towards the turbocharger a...

Страница 141: ... air temperature in the air manifold is only 45 C the air can only contain 0 018 kg kg The difference 0 011 kg kg 0 029 0 018 will appear as condensed water 10 2 3 Dew point control optional In installations where higher humidity and temperature during operation is expected e g above standard max 45 C and 60 humidity the engine can be equipped with so called dew point control When activated this o...

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Страница 143: ...PTY50 1A Charge air temperature engine inlet TE601 Exhaust gas temperature cyl 0 A TE50 1A Charge air shut off valve position GS621 Exhaust gas temperature TC A inlet TE511 Liner temperature 1 cyl A B0 TE70 1A B Exhaust gas temperature TC A outlet TE517 Liner temperature 2 cyl A B0 TE70 2A B TC A speed SE518 NT1 12 NT1 10 ABB A155 ABB A145 Pipe connections DN600 PN6 DN500 PN6 DN450 PN6 DN350 PN6 E...

Страница 144: ...air temperature engine inlet TE601 Exhaust gas temperature TC A inlet TE511 Charge air shut off valve position A bank GS621 Exhaust gas temperature TC A outlet TE517 Charge air shut off valve position B bank GS631 TC A speed SE518 Liner temp 1 cyl A B0 TE70 1A B Exhaust gas temperature TC B inlet TE521 Liner temp 2 cyl A B0 TE70 2A B Exhaust gas temperature TC B outlet TE527 NT1 12 NT1 10 Pipe con...

Страница 145: ...in driving end TC in free end TC type Engine 0 NT1 10 W 6L34DF 0 45 90 0 45 90 A145 0 NT1 10 W 8L34DF 0 45 90 0 45 90 A155 W 9L34DF 0 NT1 10 W 12V34DF 0 NT1 10 W 16V34DF Wärtsilä 34DF Product Guide a16 23 September 2016 11 3 11 Exhaust Gas System Wärtsilä 34DF Product Guide ...

Страница 146: ...350 A145 A155 900 DN500 NT1 10A W 8L34DF 700 DN450 A145 A155 W 9L34DF Fig 11 5 Exhaust pipe diameters and support DAAF068200A 04A ØB mm A TC type Engine 900 DN500 NT1 10A W 12V34DF 900 DN500 NT1 10A W 16V34DF 11 4 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 11 Exhaust Gas System ...

Страница 147: ...exhaust system the engine will not be damaged and the explosion gases will be safely directed through predefined routes The following guidelines should be observed when designing the external exhaust system The piping and all other components in the exhaust system should have a constant upward slope to prevent gas from accumulating in the system If horizontal pipe sections cannot be completely avo...

Страница 148: ...lief devices rupture discs Explosion relief devices such as rupture discs are to be installed in the exhaust system Outlets are to discharge to a safe place remote from any source of ignition The number and location of explosion relief devices shall be such that the pressure rise caused by a possible explosion cannot cause any damage to the structure of the exhaust system This has to be verified w...

Страница 149: ...upporting It is very important that the exhaust pipe is properly fixed to a support that is rigid in all directions directly after the bellows on the turbocharger There should be a fixing point on both sides of the pipe at the support The bellows on the turbocharger may not be used to absorb thermal expansion from the exhaust pipe The first fixing point must direct the thermal expansion away from ...

Страница 150: ...R unit will be installed then the exhaust gas boiler shall be installed after the SCR Arrangements must be made to ensure that water cannot spill down into the SCR when the exhaust boiler is cleaned with water More information about the SCR unit can be found in the Wärtsilä Environmental Product Guide In gas mode the SCR unit is not required as IMO Tier 3 is met 11 3 9 Exhaust gas boiler If exhaus...

Страница 151: ...lencers Attenuation 35 dB A Weight kg B mm A mm D mm L mm NS 1690 260 635 1300 5510 600 2330 270 745 1500 6550 700 2750 280 840 1700 6530 800 3340 290 860 1800 7270 900 Flanges DIN 2501 Wärtsilä 34DF Product Guide a16 23 September 2016 11 9 11 Exhaust Gas System Wärtsilä 34DF Product Guide ...

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Страница 153: ...ng unit is installed in the engine room and connected to the engine with a detachable rubber hose The rubber hose is connected with quick couplings and the length of the hose is normally 10 m One dosing unit can be used for several engines Water supply Fresh water 0 3 MPa 3 bar Min pressure 2 MPa 20 bar Max pressure 80 C Max temperature 15 30 l min depending on cylinder configuration Flow The turb...

Страница 154: ...r cleaning system The compressor side of the turbocharger is cleaned with the same equipment as the turbine 12 2 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 12 Turbocharger Cleaning ...

Страница 155: ...nization IMO The increasing concern over the air pollution has resulted in the introduction of exhaust emission controls to the marine industry To avoid the growth of uncoordinated regulations the IMO International Maritime Organization has developed the Annex VI of MARPOL 73 78 which represents the first set of regulations on the marine exhaust emissions 13 2 1 1 MARPOL Annex VI Air Pollution The...

Страница 156: ...rther engines can be certified by checking document component setting etc which have to show correspondence with those of the parent engine 13 2 1 1 1 1 2 Technical file According to the IMO regulations a Technical File shall be made for each engine The Technical File contains information about the components affecting NOx emissions and each critical component is marked with a special IMO number T...

Страница 157: ... NOx emission standard new ships 2011 The IMO Tier 2 NOx emission standard entered into force in 1 1 2011 and applies globally for new marine diesel engines 130 kW installed in ships which keel laying date is 1 1 2011 or later The IMO Tier 2 NOx limit is defined as follows 44 x rpm 0 23 when 130 rpm 2000 NOx g kWh The NOx level is a weighted average of NOx emissions at different loads and the test...

Страница 158: ...s provisions allowing for special SOx Emission Control Areas SECA to be established with more stringent controls on sulphur emissions In a SECA which currently comprises the Baltic Sea the North Sea the English Channel the US Caribbean Sea and the area outside North America 200 nautical miles the sulphur content of fuel oil used onboard a ship must currently not exceed 0 1 in weight The Marpol Ann...

Страница 159: ... can be reduced either with primary or secondary methods The primary methods limit the formation of specific emissions during the combustion process The secondary methods reduce emission components after formation as they pass through the exhaust gas system For dual fuel engines same methods as mentioned above can be used to reduce exhaust emissions when running in diesel mode In gas mode there is...

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Страница 161: ...portance The CAN bus and the power supply to each module are both physically doubled on the engine for full redundancy Control signals to from external systems are hardwired to the terminals in the main cabinet on the engine Process data for alarm and monitoring are communicated over a Modbus TCP connection to external systems Fig 14 1 Architecture of UNIC C3 Short explanation of the modules used ...

Страница 162: ...it Operational functions available at the LCP Local start Local stop Local emergency speed setting selectors mechanical propulsion Normal emergency mode Decrease Increase speed Local emergency stop Local shutdown reset Local mode selector switch with the following positions Local Engine start and stop can be done only at the local control panel Remote Engine can be started and stopped only remotel...

Страница 163: ...d indication of status and detected faults Digital status outputs Shutdown latching and reset Shutdown pre warning Shutdown override configuration depending on application Analogue output for engine speed Adjustable speed switches 14 1 3 Power unit A power unit is delivered with each engine The power unit supplies DC power to the automation system on the engine and provides isolation from other DC...

Страница 164: ...Supply 1 230 VAC abt 1500 W Supply 2 230 VAC abt 1500 W 14 1 4 Cabling and system overview Fig 14 3 UNIC C3 overview Table 14 1 Typical amount of cables Cable types typical From To Cable 2 x 2 5 mm2 power supply 2 x 2 5 mm2 power supply 2 x 2 5 mm2 power supply 2 x 2 5 mm2 power supply Engine Power Unit A 2 x 2 5 mm2 power supply Power unit Communication interface unit B 14 4 Wärtsilä 34DF Product...

Страница 165: ...x 0 75 mm2 2 x 2 x 0 75 mm2 3 x 2 x 0 75 mm2 Engine Gas Valve Unit J 4 x 2 x 0 75 mm2 Gas Valve Unit Fuel gas supply system K 1 x 2 x 0 75 mm2 Gas Valve Unit Gas detection system L 2 x 2 5 mm2 power supply 2 x 2 5 mm2 power supply 3 x 2 x 0 75 mm2 Power unit Gas Valve Unit M 3 x 2 x 0 75 mm2 2 x 5 x 0 75 mm2 Gas Valve Unit Exhaust gas fan and pre lube starter N 4 x 2 x 0 75 mm2 3 x 2 5 x 2 5 mm2 E...

Страница 166: ...Fig 14 4 Signal overview Main engine 14 6 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 14 Automation System ...

Страница 167: ...ring mode optional In addition engine control and safety system or the blackout detection system can force the engine to run in backup operating mode conventional diesel fuel injection only It is possible to transfer a running engine from gas into diesel operating mode Below a certain load limit the engine can be transferred from diesel into gas operating mode The engine will Wärtsilä 34DF Product...

Страница 168: ...same high level as if operating in normal gas mode In addition a trip to liquid mode is initiated if a cylinder pressure sensor is failing and fuel sharing is active The gas and main liquid fuel mixing ratio can be chosen by the operator according to the fuel sharing map see fig 14 7 The engine will switch to liquid mode if the engine load is lower or higher than the allowed engine load level for ...

Страница 169: ...uge decrease of emissions From efficiency point of view an increase of 4 is reached at 10 load Emission reduction up to 80 of THC 60 of CO and 25 of NOx emissions can be expected at 10 load Furthermore remarkable reductions of formaldehyde and CO2 This optional feature is applicable for constant speed engines The standard component life time overhaul intervals and load taking capability apply for ...

Страница 170: ...system The blackout signal disables some of the start blocks to get the engine running as quickly as possible All checks during start up that are related to gas fuel system or pilot fuel system are omitted Therefore the engine is not able to transfer from backup operating mode to gas or diesel operating mode before the gas and pilot system related safety measures have been performed This is done b...

Страница 171: ...the upper transfer limit before transferring If engine load is within the transfer window the engine will be able to switch fuels without unloading Whilst an engine is transferring the starting and stopping of heavy electric consumers should be avoided 14 2 4 Stop shutdown and emergency stop 14 2 4 1 Stop mode Before stopping the engine the control system shall first unload the engine slowly if th...

Страница 172: ...ed for twin screw vessels with one engine per propeller shaft Mechanical back up is not an option in installations with two engines connected to the same reduction gear 14 2 5 2 Generating sets The electronic speed control is integrated in the engine automation system The load sharing can be based on traditional speed droop or handled independently by the speed control units without speed droop Th...

Страница 173: ... below Table 14 2 Electric motor ratings for engine turning device Current A Power kW Frequency Hz Voltage V Engine type 5 0 5 3 2 2 2 6 50 60 3 x 400 440 Wärtsilä 34DF 14 4 1 2 Pre lubricating oil pump The pre lubricating oil pump must always be running when the engine is stopped The pump shall start when the engine stops and stop when the engine starts The engine control system handles start sto...

Страница 174: ...uld it be operated in parallel with the main pump when the main pump is in order 14 4 1 6 Stand by pump HT cooling water if installed 4P03 The engine control system starts the pump automatically via a motor starter if the cooling water pressure drops below a preset level when the engine is running There is a dedicated sensor on the engine for this purpose 14 4 1 7 Stand by pump LT cooling water if...

Страница 175: ... flywheel one on each side of the engine A distance sleeve should be used together with the fitted bolts The distance sleeve must be mounted between the seating top plate and the lower nut in order to provide a sufficient guiding length for the fitted bolt in the seating top plate The guiding length in the seating top plate should be at least equal to the bolt diameter The design of the holding do...

Страница 176: ... be inclined outwards with regard to the centre line of the engine The inclination of the supporting surface should be 1 100 and it should be machined so that a contact surface of at least 75 is obtained against the chocks Recommended chock dimensions are 250 x 200 mm and the chocks must have an inclination of 1 100 inwards with regard to the engine centre line The cut out in the chocks for the cl...

Страница 177: ...Fig 15 1 Main engine seating and fastening in line engines steel chocks DAAE085777 Wärtsilä 34DF Product Guide a16 23 September 2016 15 3 15 Foundation Wärtsilä 34DF Product Guide ...

Страница 178: ...F W 6L34DF 2 2 2 Fitted bolt 20 18 14 Clearance bolt 22 20 16 Round nut 22 20 16 Lock nut 2 2 2 Distance sleeve 6 4 4 Lateral support 22 20 16 Chocks 15 4 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 15 Foundation ...

Страница 179: ...Fig 15 2 Main engine seating and fastening in line engines resin chocks DAAE085778 Wärtsilä 34DF Product Guide a16 23 September 2016 15 5 15 Foundation Wärtsilä 34DF Product Guide ...

Страница 180: ...F W 6L34DF 2 2 2 Fitted bolt 20 18 14 Clearance bolt 22 20 16 Round nut 22 20 16 Lock nut 2 2 2 Distance sleeve 6 4 4 Lateral support 22 20 16 Chocks 15 6 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 15 Foundation ...

Страница 181: ...Fig 15 3 Main engine seating and fastening V engines steel chocks DAAE085776 Wärtsilä 34DF Product Guide a16 23 September 2016 15 7 15 Foundation Wärtsilä 34DF Product Guide ...

Страница 182: ...V34DF W 12V34DF 2 2 Fitted bolt 18 14 Clearance bolt 20 16 Round nut 20 16 Lock nut 2 2 Distance sleeve 6 4 Lateral support 20 16 Chocks 15 8 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 15 Foundation ...

Страница 183: ...Fig 15 4 Main engine seating and fastening V engines resin chocks DAAE085781 Wärtsilä 34DF Product Guide a16 23 September 2016 15 9 15 Foundation Wärtsilä 34DF Product Guide ...

Страница 184: ...V34DF W 12V34DF 2 2 Fitted bolt 18 14 Clearance bolt 20 16 Round nut 20 16 Lock nut 2 2 Distance sleeve 6 4 Lateral support 20 16 Chocks 15 10 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 15 Foundation ...

Страница 185: ...bber elements These rubber elements are mounted to steel plates in groups forming eight units These units or resilient elements each consist of an upper steel plate that is fastened directly to the engine feet rubber elements and a lower steel plate that is fastened to the foundation The holes in the foundation for the fastening bolts can be drilled through the holes in the engine feet when the en...

Страница 186: ...ple of resilient mounting W9L34DF V69A0247A Fig 15 7 Principle of resilient mounting W12V34DF and W16V34DF DAAE041111A 15 12 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 15 Foundation ...

Страница 187: ...olts on generator DAAE084469 W 16V34DF Rmax mm W 12V34DF Rmax mm W 9L34DF Rmax mm W 8L34DF Rmax mm W 6L34DF Rmax mm H mm 715 1400 810 810 810 1600 985 985 905 905 1800 1045 1045 980 980 1950 1090 2200 Wärtsilä 34DF Product Guide a16 23 September 2016 15 13 15 Foundation Wärtsilä 34DF Product Guide ...

Страница 188: ...B mm C mm D mm E mm F G mm Engine 170 100 475 Ø35 M24 or M27 85 W L34DF 200 130 615 Ø48 M30 100 W V34DF 15 14 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 15 Foundation ...

Страница 189: ... mounts and their location is calculated to avoid resonance with excitations from the generating set engine the main engine and the propeller NOTE To avoid induced oscillation of the generating set the following data must be sent by the shipyard to Wärtsilä at the design stage main engine speed RPM and number of cylinders propeller shaft speed RPM and number of propeller blades The selected number...

Страница 190: ...is natural rubber and it must therefore be protected from oil oily water and fuel The mounts should be evenly loaded when the generating set is resting on the mounts The maximum permissible variation in compression between mounts is 2 0 mm If necessary chocks or shims should be used to compensate for local tolerances Only one shim is permitted under each mount The transmission of forces emitted by...

Страница 191: ... installing the flexible pipe connections unnecessary bending or stretching should be avoided The external pipe must be precisely aligned to the fitting or flange on the engine It is very important that the pipe clamps for the pipe outside the flexible connection must be very rigid and welded to the steel structure of the foundation to prevent vibrations which could damage the flexible connection ...

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Страница 193: ...he excitation frequencies The double bottom should be stiff enough to avoid resonances especially with the rolling frequencies Fig 16 1 Coordinate system Table 16 1 External forces FZ kN FY kN Frequency Hz FZ kN FY kN Frequency Hz FZ kN FY kN Frequency Hz Speed rpm kW cyl Engine 48 50 24 25 12 12 5 720 750 500 W 6L34DF 5 5 48 50 720 750 500 W 8L34DF 48 50 24 25 12 12 5 720 750 500 W 9L34DF 48 50 2...

Страница 194: ...5 720 750 500 W 6L34DF 48 50 24 25 12 12 5 720 750 500 W 8L34DF 1 2 48 50 124 26 24 25 41 45 41 45 12 12 5 720 750 500 W 9L34DF 48 50 24 25 12 12 5 720 750 500 W 12V34DF 48 50 24 25 12 12 5 720 750 500 W 16V34DF couples are zero or insignificant 16 2 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 16 Vibration and Noise ...

Страница 195: ...5 96 100 35 34 48 50 720 750 500 W 16V34DF 16 3 Mass moments of inertia The mass moments of inertia of the main engines including flywheel are typically as follows J kgm Engine 440 490 W 6L34DF 640 660 W 9L34DF 700 780 W 12V34DF 840 930 W 16V34DF 16 4 Air borne noise The airborne noise of the engine is measured as a sound power level according to ISO 9614 2 The results are presented with A weighin...

Страница 196: ... power level for engine noise W V34DF 16 5 Exhaust noise Fig 16 4 Typical sound power level for exhaust noise W L34DF 16 4 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 16 Vibration and Noise ...

Страница 197: ...Fig 16 5 Typical sound power level for exhaust noise W V34DF Wärtsilä 34DF Product Guide a16 23 September 2016 16 5 16 Vibration and Noise Wärtsilä 34DF Product Guide ...

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Страница 199: ...y coupling can be mounted on the flywheel without intermediate bearings The type of flexible coupling to be used has to be decided separately in each case on the basis of the torsional vibration calculations In case of two bearing type generator installations a flexible coupling between the engine and the generator is required 17 1 1 Connection to generator Fig 17 1 Connection engine generator 3V6...

Страница 200: ... also be fitted to be able to secure the propeller shaft in position so that wind milling is avoided This is necessary because even an open hydraulic clutch can transmit some torque Wind milling at a low propeller speed 10 rpm can due to poor lubrication cause excessive wear of the bearings The shaft locking device can be either a bracket and key or an easier to use brake disc with calipers In bot...

Страница 201: ...gine For in line engines full engine power is also available at the free end of the engine On V engines the engine power at free end must be verified according to the torsional vibration calculations Fig 17 4 Power take off at free end DAAE084566B Wärtsilä 34DF Product Guide a16 23 September 2016 17 3 17 Power Transmission Wärtsilä 34DF Product Guide ...

Страница 202: ...fts Mass moment of inertia of all rotating parts including shafts and flanges Torsional stiffness of shafts between rotating masses Material of shafts including tensile strength and modulus of rigidity Gear ratios Drawing number of the diagram Propeller and shafting A mass elastic diagram or propeller shaft drawing showing Mass moment of inertia of all rotating parts including the rotating part of...

Страница 203: ...ness per element Dynamic magnification or relative damping Nominal torque permissible vibratory torque and permissible power loss Drawing of the coupling showing make type and drawing number Operational data Operational profile load distribution over time Clutch in speed Power distribution between the different users Power speed curve of the load 17 7 Turning gear The engine is equipped with an el...

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Страница 205: ...rovide sufficient space between engines for maintenance and operation 18 1 1 Main engines Fig 18 1 Crankshaft distances in line engines DAAE082974B A mm Engine type 2700 W 6L34DF 2700 W 8L34DF 2700 W 9L34DF Wärtsilä 34DF Product Guide a16 23 September 2016 18 1 18 Engine Room Layout Wärtsilä 34DF Product Guide ...

Страница 206: ...nces V engines DAAF073294 A mm Engine type 3700 TC with air filter silencer on turbocharger 3800 Air duct connected to TC 18 2 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 18 Engine Room Layout ...

Страница 207: ...C B A Engine type 1700 310 2800 2110 1860 1800 W 6L34DF 1700 310 2800 2110 1860 1800 W 8L34DF 2000 210 2800 2310 2060 2000 W 9L34DF All dimensions in mm Dependent on the generator type Wärtsilä 34DF Product Guide a16 23 September 2016 18 3 18 Engine Room Layout Wärtsilä 34DF Product Guide ...

Страница 208: ...nes can be given It is essential to check that all engine components can be dismounted The most critical are usually turbochargers and charge air coolers When using a combination of in line and v engine the operating side of in line engine should face the v engine in order to minimize the distance between crankshafts Special care has to be taken checking the maintenance platform elevation between ...

Страница 209: ...for engine inspections and maintenance there has to be sufficient free space between the intermediate propeller shaft and the engine To enable safe working conditions the shaft has to be covered It must be noticed that also dimensions of this cover have to be taken into account when determining the shaft distances in order to fulfil the requirement for minimum free space between the shaft and the ...

Страница 210: ...0 1880 940 W 8L34DF 1480 2700 1880 940 W 9L34DF Fig 18 7 Main engine arrangement in line engines DAAE086972B Notes All dimensions in mm Intermediate shaft diameter to be determined case by case Depends on type of shaft bearing Depends on the type of gearbox D C B A Engine type 1480 2700 3760 1880 W 6L34DF 1480 2700 3760 1880 W 8L34DF 1480 2700 3760 1880 W 9L34DF 18 6 Wärtsilä 34DF Product Guide a1...

Страница 211: ...angement V engines DAAE083975 DAAF068345 Notes All dimensions in mm Intermediate shaft diameter to be determined case by case Depends on type of gearbox Depends on type of shaft bearing Wärtsilä 34DF Product Guide a16 23 September 2016 18 7 18 Engine Room Layout Wärtsilä 34DF Product Guide ...

Страница 212: ...maintenance platforms should be of non slippery material grating or chequer plate NOTE Working Platforms should be designed and positioned to prevent personnel slipping tripping or falling on or between the walkways and the engine 18 3 Transportation and storage of spare parts and tools Transportation arrangement from engine room to storage and workshop has to be prepared for heavy engine componen...

Страница 213: ...pace requirement for the in line engine Fig 18 10 Service space requirement turbocharger in free end DAAF070676B Wärtsilä 34DF Product Guide a16 23 September 2016 18 9 18 Engine Room Layout Wärtsilä 34DF Product Guide ...

Страница 214: ...Fig 18 11 Service space requirement turbocharger in driving end DAAF088437B 18 10 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 18 Engine Room Layout ...

Страница 215: ...verhauling piston and connecting rod C1 Height needed for transporting piston and connecting rod freely over adjacent cylinder head covers C2 Height needed for transporting piston and connecting rod freely over exhaust gas insulating box C3 Width needed for transporting piston and connecting rod C4 5 Recommended location of rail for removing the CAC either on A or B bank D1 Recommended location of...

Страница 216: ...bling of silencer is 500mm minimum clearance is 120mm for NT1 10 The given dimension for L1 includes the minimum maintenance space L1 The recommended axial clearance for dismantling and assembling of suction branches is 500mm minimum clearance is 120mm for NT1 10 The given dimension for L2 includes the minimum maintenance space L2 Recommended lifting point for the turbocharger L3 Recommended lifti...

Страница 217: ...4 3 Service space requirement for the genset Fig 18 13 Service space requirement genset DAAF066517A Wärtsilä 34DF Product Guide a16 23 September 2016 18 13 18 Engine Room Layout Wärtsilä 34DF Product Guide ...

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Страница 219: ...ne 2940 2940 1520 980 980 490 2990 540 W 6L34DF 3920 3430 2010 980 490 490 3970 540 W 8L34DF 4410 3920 2010 980 490 490 4460 540 W 9L34DF All dimensions in mm Transport bracket weight 890 kg Rear side B bank 1 Operating side A bank 2 Wärtsilä 34DF Product Guide a16 23 September 2016 19 1 19 Transport Dimensions and Weights Wärtsilä 34DF Product Guide ...

Страница 220: ...3430 630 W 12V34DF 2154 2266 4450 4450 530 1090 560 4550 630 W 16V34DF All dimensions in mm Transport bracket weight dry oil sump 935 kg wet oil sump 1060 kg Rear side B bank 1 Operating side A bank 2 19 2 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 19 Transport Dimensions and Weights ...

Страница 221: ...of generating sets DAAE083966A 69B W mm L mm H mm Engine 2240 2645 4380 6000 6595 6685 W L34DF 2940 3275 5500 9400 6900 9400 W V34DF Wärtsilä 34DF Product Guide a16 23 September 2016 19 3 19 Transport Dimensions and Weights Wärtsilä 34DF Product Guide ...

Страница 222: ...kg Dimensions mm Engine E D C 500 436 672 963 W 6L34DF 500 594 790 963 W 9L34DF 850 600 600 2056 W 12V34DF 950 600 600 2056 W 16V34DF Table 19 3 Turbocharger DAAE083974 Weight kg Dimensions mm Engine K H G F 773 766 861 663 1017 W 6L34DF 783 766 861 663 1017 W 9L34DF 2 x 773 766 861 663 1017 W 12V34DF 2 x 783 766 861 663 1017 W 16V34DF 19 4 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsil...

Страница 223: ...Split gear wheel 11 223 Cylinder liner 3 49 Small intermediate gear 12 376 Cylinder head 4 107 Large intermediate gear 13 3 Inlet valve 5 132 Camshaft gear wheel 14 2 9 Exhaust valve 6 1 5 Piston ring set 15 50 Injection pump 7 0 5 Piston ring 15 5 Injection valve 8 Wärtsilä 34DF Product Guide a16 23 September 2016 19 5 19 Transport Dimensions and Weights Wärtsilä 34DF Product Guide ...

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Страница 225: ...ormat Drawings are available in PDF and DXF format and in near future also as 3D models Consult your sales contact at Wärtsilä to get more information about the product guides on the Business Online Portal The attachments are not available in the printed version of the product guide Wärtsilä 34DF Product Guide a16 23 September 2016 20 1 20 Product Guide Attachments Wärtsilä 34DF Product Guide ...

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Страница 227: ...rtia and torque conversion factors Power conversion Multiply by To Convert from Multiply by To Convert from 23 730 lbft2 kgm2 1 360 hp metric kW 737 562 lbf ft kNm 1 341 US hp kW Flow conversion factors Fuel consumption conversion factors Multiply by To Convert from Multiply by To Convert from 4 403 US gallon min m3 h liquid 0 736 g hph g kWh 0 586 ft3 min m3 h gas 0 00162 lb hph g kWh Density con...

Страница 228: ...21 2 Collection of drawing symbols used in drawings Fig 21 1 List of symbols DAAE000806c 21 2 Wärtsilä 34DF Product Guide a16 23 September 2016 Wärtsilä 34DF Product Guide 21 ANNEX ...

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Страница 232: ...r in complete lifecycle power solutions for the marine and energy markets By emphasising technological innovation and total efficiency Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers Wärtsilä is listed on the NASDAQ OMX Helsinki Finland ...

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