WÄRTSILÄ WARTSILA 26 Product Manual Download Page 119

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11.

Exhaust Gas System

11.1

Internal exhaust gas system

Fig 11-1

Charge air and exhaust gas system 8L, 2-pulse system (DAAE047964a)

System components, in-line engines

Turbine cleaning device

Charge air cooler

Charge air shut-off valve (optional)

Turbocharger

Safety valve

Compressor cleaning device

Indicator valve

Air filter and silencer

Air waste gate

Suction branch (alternative for 05)

Sensors and indicators, in-line engines

Exhaust gas temp. after cylinder (if GL)

TI5xxA

Exhaust gas temp. after cylinder

TE5xx1A

Charge air temp. engine inlet

TI601

Exhaust gas temp. TC inlet

TE511

Charge air temp. CAC inlet

TI621

Exhaust gas temp. TC outlet

TE517

Charge air temp. TC inlet (if FAKS)

TE600

TC speed

SE518

Charge air temp. CAC inlet (if FAKS)

TE621

Charge air pressure, engine inlet (if GL)

PI601

Charge air shut-off valve position (optional)

GS621

Charge air pressure, engine inlet

PT601

Air waste gate position

GT656

Charge air pressure, engine inlet

PT601.2

Charge air temp. engine inlet

TE601

Standard

Pressure class

Size

Pipe connections, in-line engines

PN6

6L: DN300
8L, 9L: DN350

Exhaust gas outlet

501

Quick coupling

Cleaning water to turbine

502

6L: Øint 280; Øpc 340; 12XØ14
8L, 9L: Øint 333; Øpc 405; 12XØ14

Air inlet to turbocharger
(if suction branch)

601

DIN2535

PN400

OD8

Condensate after air cooler

607

Wärtsilä 26 Product Guide - a9 - 7 September 2016

11-1

11. Exhaust Gas System

Wärtsilä 26 Product Guide

Summary of Contents for WARTSILA 26

Page 1: ...W RTSIL 26 PRODUCT GUIDE...

Page 2: ...L 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...

Page 3: ...26 Project Guides Updates Published Issue Technical data section updated 07 09 2016 1 2016 Updates throughout the product guide 18 06 2015 1 2015 Updates throughout the product guide 20 11 2013 1 201...

Page 4: ...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 Operating and design pressure 5 3 5 4 Pipe class 5 4 5 5 Insulation 5 4 5 6 Local g...

Page 5: ...sumers 15 1 15 Foundation 15 1 15 1 Steel structure design 15 1 15 2 Mounting of main engines 15 9 15 3 Mounting of generating sets 15 11 15 4 Flexible pipe connections 16 1 16 Vibration and Noise 16...

Page 6: ...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 W rtsil 26 Product Guide a9 7 September 2...

Page 7: ...tion 1000 rpm 900 rpm 1000 rpm 900 rpm kWe KVA kWe KVA kW kW 1969 2461 1882 2352 2040 1950 6L26 2625 3281 2509 3136 2720 2600 8L26 2953 3691 2823 3528 3060 2925 9L26 3937 4922 3764 4704 4080 3900 12V2...

Page 8: ...ference conditions are 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...

Page 9: ...1103 1420 920 186 W 6L26 21 9 21 6 1054 794 1258 1167 1420 920 186 W 8L26 23 6 23 3 1054 794 1258 1167 1420 920 186 W 9L26 Dry sump Wet sump Engine Gz Gy Gx Gz Gy Gx Gz Gy Gx Gz Gy Gx 458 90 1300 458...

Page 10: ...1698 1433 1238 1364 1530 1010 235 W 12V26 37 9 36 1 1160 1626 1363 1248 1248 1530 1010 235 W 16V26 Dry sump Wet sump Engine Gz Gx Gz Gx Gz Gx Gz Gx 470 1811 470 1224 413 1811 413 1224 W 12V26 568 225...

Page 11: ...0 2000 2765 1560 981 3600 6700 1263 8400 W 12V26 70 2156 2700 2310 2000 2765 1560 981 4000 7730 1400 9700 W 16V26 Turbocharger at flywheel end TC inclination 30 All dimensions in mm Weight in metric t...

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Page 13: ...e load is derived from fuel rack position and actual engine speed not speed demand The propulsion control must also include automatic limitation of the load increase rate Maximum loading rates can be...

Page 14: ...that it absorbs max 85 of the engine output at nominal engine speed during trial with loaded ship Typically this corresponds to about 82 for the propeller itself If the vessel is intended for towing...

Page 15: ...capacity Controlled load increase is essential for highly supercharged diesel engines because the turbocharger needs time to accelerate before it can deliver the required amount of air A slower loadi...

Page 16: ...mergency curve is close to the maximum capability of the engine If minimum smoke during load increase is a major priority slower loading rate than in the diagram can be necessary below 50 load Large l...

Page 17: ...full load are however normal If the vessel has also other operating modes a slower loading ramp is recommended for these operating modes In typical auxiliary engine applications there is usually no si...

Page 18: ...iesel fuel at low load operation and manoeuvring The following recommendations apply Absolute idling declutched main engine disconnected generator Maximum 10 minutes if the engine is to be stopped aft...

Page 19: ...TE517 322 327 252 271 C Temp after turbo 50 load TE517 3 0 3 0 3 0 3 0 kPa Backpressure max 500 500 500 500 mm Exhaust gas pipe diameter min 502 499 498 487 mm Calculated exhaust diameter for 35 m s H...

Page 20: ...rate 0 3 0 3 0 3 0 3 kPa Crankcase backpressure max 1 4 2 0 1 4 2 0 1 4 2 0 1 4 2 0 l Oil volume in speed governor High temperature cooling water system 350 static 350 static 350 static 350 static kP...

Page 21: ...erance 20 C Note 2 The heat balances are made for ISO 15550 standard reference conditions The heat balances include engine driven pumps two water pumps and one lube oil pump Note 3 According to ISO 15...

Page 22: ...77 575 562 mm Calculated exhaust diameter for 35 m s Heat balance Note 3 472 424 472 440 kW Jacket water 400 368 400 376 kW Lubricating oil 1000 960 1000 848 kW Charge air 128 120 128 120 kW Radiation...

Page 23: ...re at engine after pump nom PT401 500 500 500 500 kPa Pressure at engine after pump max PT401 81 81 81 81 C Temperature before cylinders approx TE401 91 91 91 91 C HT water out from the engine nom TE4...

Page 24: ...conditions The heat balances include engine driven pumps two water pumps and one lube oil pump Note 3 According to ISO 15550 lower calorific value 42700 kJ kg at constant engine speed with engine driv...

Page 25: ...11 610 596 mm Calculated exhaust diameter for 35 m s Heat balance Note 3 531 477 531 495 kW Jacket water 450 414 450 423 kW Lubricating oil 1125 1080 1125 954 kW Charge air 144 135 144 135 kW Radiatio...

Page 26: ...at engine after pump nom PT401 500 500 500 500 kPa Pressure at engine after pump max PT401 81 81 81 81 C Temperature before cylinders approx TE401 91 91 91 91 C HT water out from the engine nom TE402...

Page 27: ...conditions The heat balances include engine driven pumps two water pumps and one lube oil pump Note 3 According to ISO 15550 lower calorific value 42700 kJ kg at constant engine speed with engine driv...

Page 28: ...706 705 688 mm Calculated exhaust diameter for 35 m s Heat balance Note 3 708 636 708 660 kW Jacket water 600 552 600 564 kW Lubricating oil 480 456 432 408 kW Charge air 192 180 192 180 kW Radiation...

Page 29: ...ure at engine after pump nom PT401 500 500 500 500 kPa Pressure at engine after pump max PT401 73 73 73 73 C Temperature before cylinders approx TE401 93 93 93 93 C HT water out from the engine nom TE...

Page 30: ...include engine driven pumps two water pumps and one lube oil pump Note 3 According to ISO 15550 lower calorific value 42700 kJ kg at constant engine speed with engine driven pumps two cooling water on...

Page 31: ...min 820 815 814 795 mm Calculated exhaust diameter for 35 m s Heat balance Note 3 944 848 944 880 kW Jacket water 800 736 800 752 kW Lubricating oil 640 608 576 544 kW Charge air 256 240 256 240 kW Ra...

Page 32: ...sure at engine after pump nom PT401 500 500 500 500 kPa Pressure at engine after pump max PT401 73 73 73 73 C Temperature before cylinders approx TE401 93 93 93 93 C HT water out from the engine nom T...

Page 33: ...include engine driven pumps two water pumps and one lube oil pump Note 3 According to ISO 15550 lower calorific value 42700 kJ kg at constant engine speed with engine driven pumps two cooling water on...

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Page 35: ...nodular cast iron can be mounted in a number of positions along the engine block This minimises modifications to existing foundation and makes various mounting configurations easy to implement Engine...

Page 36: ...the top of the jacket to facilitate an efficient cooling due to a high flow velocity 4 2 6 Piston The piston is of composite design with nodular cast iron skirt and steel crown The piston skirt and cy...

Page 37: ...haft through a fully integrated gear train Camshaft gear is shrunk on camshaft Adjusting of timing is possible by means of oil pressure on the gear wheel 4 2 11 Turbocharging and charge air cooling Th...

Page 38: ...tem is divided into a high temperature HT and a low temperature LT circuit The HT water cools cylinder liners cylinder heads and the first stage of the charge air cooler on V engines The LT water cool...

Page 39: ...y 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 syste...

Page 40: ...4 3 Cross section of the engine Fig 4 2 Cross section of in line engine 4 6 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 4 Description of the Engine...

Page 41: ...Fig 4 3 Cross section of V engine W rtsil 26 Product Guide a9 7 September 2016 4 7 4 Description of the Engine W rtsil 26 Product Guide...

Page 42: ...auls h 48 000 72 000 12 000 24 000 Piston 12 000 24 000 Piston rings 36 000 72 000 12 000 24 000 Cylinder liner 12 000 24 000 Cylinder head 36 000 48 000 12 000 24 000 Inlet valve 24 000 24 000 12 000...

Page 43: ...be continuously rising Flanged connections shall be used cutting ring joints for precision tubes Maintenance access and dismounting space of valves coolers and other devices shall be taken into consi...

Page 44: ...engine should be max 0 1 MPa 1 bar when the bottle pressure is 3 MPa 30 bar It is essential that the instrument air pressure feeding to some critical control instrumentation is not allowed to fall bel...

Page 45: ...oint and consequently the discharge pressure may rise to 0 5 MPa 5 bar with closed or throttled valves The minimum design pressure is 0 5 MPa 5 bar The nearest pressure class to be selected is PN6 Pip...

Page 46: ...ce all piping must be cleaned according to the methods listed below Table 5 3 Pipe cleaning Methods System A B C D F Fuel oil A B C D F Lubricating oil A B C Starting air A B C Cooling water A B C Exh...

Page 47: ...of flexible pipe connections between resiliently mounted engines and ship s piping Flexible pipe connections must not be twisted Installation length of flexible pipe connections must be correct Minim...

Page 48: ...om the first 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 therma...

Page 49: ...e supports of flexible pipe connections 4V60L0796 Fig 5 3 Pipe clamp for fixed support 4V61H0842 W rtsil 26 Product Guide a9 7 September 2016 5 7 5 Piping Design Treatment and Installation W rtsil 26...

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Page 51: ...enough to meet the min injection viscosity limit of the engine DMA A high quality distillate generally designated as MGO Marine Gas Oil DMZ A high quality distillate generally designated as MGO Marin...

Page 52: ...is not clear and bright the total sediment by hot filtration and water tests shall be required 3 If the sample is not clear and bright the test cannot be undertaken and hence the oxidation stability l...

Page 53: ...itional properties specified by W rtsil which are not included in the ISO specification 1 Max 1010 kg m at 15 C provided that the fuel treatment system can remove water and solids sediment sodium alum...

Page 54: ...l shall be considered to contain ULO when either one of the following conditions is met Calcium 30 mg kg and zinc 15 mg kg Calcium 30 mg kg and phosphorus 15 mg kg 8 6 4 W rtsil 26 Product Guide a9 7...

Page 55: ...eakage injection pipe LS103A B Fuel oil filter pressure difference PDS113 Standard Pressure class Size Pipe connections DIN2633 DIN2513 R13 PN16 DN32 Fuel inlet 101 DIN2633 DIN2513 R13 PN16 DN40 Fuel...

Page 56: ...et TE101 Fuel oil leakage injection pipe A B bank LS103A B Standard Pressure class Size Pipe connections DIN2633 DIN2513 R13 PN16 DN32 Fuel inlet in line engines 101 DIN2633 DIN2513 V13 PN16 DN25 Fuel...

Page 57: ...separators is of greatest importance and therefore the recommendations of the separator manufacturer must be closely followed Poorly centrifuged fuel is harmful to the engine and a high content of wa...

Page 58: ...ratures for intermediate viscosities draw a line from the known viscosity temperature point in parallel to the nearest viscosity temperature line in the diagram Example 2 Known viscosity 60 cSt at 50...

Page 59: ...ains above 90 C The temperature in the MDF day tank should be in the range 20 40 C The level of the tank must ensure a positive static pressure on the suction side of the fuel feed pumps If black out...

Page 60: ...ith monitoring of cleaned fuel without gravity disc operating on a continuous basis can handle fuels with densities exceeding 991 kg m3 at 15 C In this case the main and stand by separators should be...

Page 61: ...26F 6 3 3 3 Separator feed pumps 1P02 Feed pumps should be dimensioned for the actual fuel quality and recommended throughput of the separator The pump should be protected by a suction strainer mesh s...

Page 62: ...heavy fuels T 48 C can be used i e a settling tank temperature of 50 C Fuels having a viscosity higher than 5 cSt at 50 C require pre heating before the separator The heaters to be provided with safe...

Page 63: ...ted MDF separator or a stand by HFO separator used for MDF 6 3 3 7 Sludge tank 1T05 The sludge tank should be located directly beneath the separators or as close as possible below the separators unles...

Page 64: ...T07 Flexible pipe connection 1H0X Quick closing valve fuel oil tank 1V10 Flow meter 1I03 Size Pipe connections Pos DN32 Fuel inlet 101 DN32 Fuel outlet 102 2 OD22 Leak fuel drain clean fuel 103 Plug R...

Page 65: ...Flexible pipe connection 1H0X Quick closing valve fuel oil tank 1V10 Flow meter 1I03 Size Pipe connections Pos DN32 Fuel inlet 101 DN25 Fuel outlet 102 4 OD22 Leak fuel drain clean fuel 103 4 OD22 Le...

Page 66: ...le pipe connection 1H0X Quick closing valve fuel oil tank 1V10 Flow meter 1I03 Stand by pump MDF 1P08 Size Pipe connections Pos DN32 Fuel inlet 101 DN32 Fuel outlet 102 2 OD22 Leak fuel drain clean fu...

Page 67: ...ck closing valve fuel oil tank 1V10 Flexible pipe connection 1H0X Flow meter 1I03 V26 L26 Pipe connections Pos DN32 Fuel inlet 101 DN25 DN32 Fuel outlet 102 4 OD22 2 OD22 Leak fuel drain clean fuel 10...

Page 68: ...by pump The pump should be placed so that a positive static pressure of about 30 kPa is obtained on the suction side of the pump Design data 6 x the total consumption of the connected engine Capacity...

Page 69: ...ature 1 6 MPa 16 bar Design pressure 0 4 0 7 MPa 4 7 bar Set point 6 3 4 6 MDF cooler 1E04 The fuel viscosity may not drop below the minimum value stated in Technical data When operating on MDF the pr...

Page 70: ...n by means of stored energy Depending on system design and classification regulations it may in some cases be permissible to use the emergency generator HFO engines without engine driven fuel feed pum...

Page 71: ...1F08 Pressure control valve booster unit 1V03 Flexible pipe connections 1H0X Pressure control valve HFO 1V04 Flow meter booster unit 1I01 Venting valve booster unit 1V07 Viscosity meter booster unit...

Page 72: ...DF 1F07 Pressure control valve HFO 1V04 Automatic filter booster unit 1F08 Overflow valve HFO MDF 1V05 Flexible pipe connections 1H0X Overflow valve HFO MDF 1V05 1 Flow meter booster unit 1I01 Venting...

Page 73: ...ves W rtsil 26 engines only maximum two engines should be connected to the same fuel feed circuit unless individual circulating pumps before each engine are installed Main engines and auxiliary engine...

Page 74: ...d provided with trace heating Fig 6 11 Feeder booster unit example DAAE006659 Fuel feed pump booster unit 1P04 The feed pump maintains the pressure in the fuel feed system It is recommended to use a s...

Page 75: ...n tank and it should be equipped with a heating jacket Overheating temperature exceeding 100 C is however to be prevented and it must be possible to switch off the heating for operation on MDF Design...

Page 76: ...P12 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 valve 150 C Design temperature 500 cSt Visc...

Page 77: ...he 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...

Page 78: ...qual 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 p 6 3 6 Flushing The external piping system must be thoroughly flushed befo...

Page 79: ...mit for acceptable oil change intervals BN 30 lubricating oils should be used together with HFO only in special cases for example in SCR Selective Catalyctic Reduction installations if better total ec...

Page 80: ...let PTZ201 Lubricating oil stand by pump start PS210 Lubricating oil filter pressure difference PDT243 Crankcase pressure if FAKS PT700 Lubricating oil temp engine inlet TE201 Lubricating oil temp bef...

Page 81: ...ressure engine inlet if GL PI201 Differential pressure lubricating oil filter PDT243 Lubricating oil stand by pump start optional PS210 Lubricating oil level LS204 Main bearing temp optional cyl n TE7...

Page 82: ...f the engine driven pump see Technical data The pre lubricating oil pump is an electric motor driven gear pump equipped with a safety valve The pump should always be running when the engine is stopped...

Page 83: ...Condensate trap 2S02 Suction filter separator unit 2F03 System oil tank 2T01 Suction strainer pre lubricating oil pump 2F04 Sludge tank 2T06 Suction strainer stand by pump 2F06 Non return valve 2V04...

Page 84: ...ank 2T04 Flexible pipe connections 2H0 Renovated oil tank 2T05 Separator unit 2N01 Sludge tank 2T06 Separator pump separator unit 2P03 V26 L26 Pipe connections Pos DN150 DN125 Lube oil to el driven pu...

Page 85: ...ipe connections 2H0 Renovated oil tank 2T05 Separator unit 2N01 Sludge tank 2T06 Separator pump separator unit 2P03 V26 L26 Pipe connections Pos DN100 DN80 Lube oil from el driven pump 208 DN40 Lube o...

Page 86: ...ator feed pump 2P03 The feed pump must be selected to match the recommended throughput of the separator Normally the pump is supplied and matched to the separator by the separator manufacturer The low...

Page 87: ...ible to prevent damages due to thermal expansion The return pipes from the engine oil sump must end beneath the minimum oil level in the tank Further on the return pipes must not be located in the sam...

Page 88: ...se cover or through the separator pipe The system should be arranged so that it is possible to measure the filled oil volume 7 3 4 Suction strainers 2F01 2F04 2F06 It is recommended to install a sucti...

Page 89: ...g vent pipes from the system oil tank The diameter of the pipe shall be large enough to avoid excessive back pressure Other possible equipment in the piping must also be designed and dimensioned to av...

Page 90: ...r driven 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 su...

Page 91: ...The 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 b...

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Page 93: ...inion that turns the gear mounted on the flywheel Over 100 rpm the master starter valve closes and the pinion is drawn back by spring force If the electric system fails the pinion will be pushed back...

Page 94: ...valve 08 Sensors and indicators Booster valve for governor CV351 Starting air pressure engine inlet PT301 Charge air shut off valve CV621 Control air pressure PT311 Starting air pressure engine inlet...

Page 95: ...519 Starting air pressure engine inlet PT301 Charge air shut off valve CV621 Control air pressure PT311 By pass control valve CVS643 Stop shutdown solenoid valve CV153 1 Air waste gate control CV656 S...

Page 96: ...ernal compressed air system DAAF078379 System components Starting air compressor unit 3N02 Diesel engine W rtsil L26 01 Compressor starting air compressor unit 3P01 Diesel engine W rtsil V26 02 Separa...

Page 97: ...If the air vessels are mounted horizontally there must be an inclination of 3 5 towards the drain valve to ensure efficient draining Fig 8 4 Starting air vessel Weight kg Dimensions mm Size Litres D L...

Page 98: ...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...

Page 99: ...through the engines It is 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 inhibito...

Page 100: ...ets if GL PSZ401 LT water temp after lube oil cooler if FAKS TE482 HT water temp after cylinder jackets TE402 LT water temp after CAC TE472 HT water temp after cylinder jackets TEZ402 Standard Pressur...

Page 101: ...if stand by pump PS460 HT water pressure before cylinder jackets if GL PSZ401 LT water temp after CAC if FAKS TE472 HT water temp after cylinder jackets TE402 LT water temp after lube oil cooler TE482...

Page 102: ...n MDF only it is possible to install the LT temperature control valve in the external system and thus control the LT water temperature before the engine 9 2 1 Engine driven circulating pumps The LT an...

Page 103: ...H2O Flow m3 h 26 27 52 57 26 27 42 47 35 35 35 35 900 1000 6L26 25 27 70 76 27 25 56 62 36 36 45 45 900 1000 8L26 27 27 78 85 25 26 63 70 36 34 50 50 900 1000 9L26 28 35 60 67 28 35 60 67 900 1000 12V...

Page 104: ...engine drive sea water pump is available for in line main engines Head mwc Capacity m h Engine 25 80 W 6L26 25 120 W 8L26 25 120 W 9L26 Fig 9 5 Engine driven sea water pump at 1000 rpm 9 6 W rtsil 26...

Page 105: ...r 4E08 Air deaerator HT 4S02 Cooler installation parts 4E12 Additive dosing tank 4T03 Preheating unit 4N01 Drain tank 4T04 Stand by pump HT 4P03 Expansion tank 4T05 Circulating pump preheater 4P04 Tem...

Page 106: ...ooler LT 4E06 Additive dosing tank 4T03 Preheating unit 4N01 Drain tank 4T04 Stand by pump HT 4P03 Expansion tank 4T05 Circulating pump preheater 4P04 Temperature control valve heat recovery 4V02 Stan...

Page 107: ...individual flows in a smaller system Malfunction due to entrained gases or loss of cooling water in case of large leaks can also be limited In some installations it can be desirable to separate the H...

Page 108: ...control valve 4V08 is 38 C in the type of system described above Engines operating on HFO must have individual LT temperature control valves A separate pump is required for the external equipment in s...

Page 109: ...T cooling water can be used 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 show...

Page 110: ...in case an electrically driven pump is installed significantly higher than the engine Concerning the water volume in the engine see chapter Technical data The expansion tank should be equipped with a...

Page 111: ...y 70 C Presence of preheating is is an absolute requirement for installations that are designed to operate on heavy fuel and marine diesel fuel The energy required for preheating of the HT cooling wat...

Page 112: ...cific coefficient 0 75 kW keng Number of cylinders ncyl P 2 5 kW cyl The formula above should not be used for 9 3 12 2 Circulation pump for preheater 4P04 Design data 0 45 m3 h per cylinder Capacity 8...

Page 113: ...rating conditions for temperature control valves Throttles must also be installed wherever it is necessary to balance the waterflow between alternate flow paths 9 3 14 Thermometers and pressure gauges...

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Page 115: ...auxiliary diesel engines Exhaust gas piping Generators Electric appliances and lighting Boilers Steam and condensate piping Tanks It is recommended to consider an outside air temperature of no less th...

Page 116: ...uld be avoided during all conditions service conditions slow steaming and in port Cold draft in the engine room should also be avoided especially in areas of frequent maintenance activities For very c...

Page 117: ...ulate with an air density corresponding to 30 C or more when translating the mass flow into volume flow The expression below can be used to calculate the volume flow where combustion air volume flow m...

Page 118: ...ed away from the engine when the intake air is cold so that the air is allowed to heat up in the engine room 10 2 1 Charge air shut off valve rigsaver optional In installations where it is possible th...

Page 119: ...Charge air temp CAC inlet TI621 Exhaust gas temp TC outlet TE517 Charge air temp TC inlet if FAKS TE600 TC speed SE518 Charge air temp CAC inlet if FAKS TE621 Charge air pressure engine inlet if GL PI...

Page 120: ...TI621 Exhaust gas temp TC outlet TE517 Charge air temp TC inlet if FAKS TE600 TC speed SE518 Charge air temp CAC inlet if FAKS TE621 Charge air pressure engine inlet if GL PI601 Charge air shut off va...

Page 121: ...r cooler HT 01 Charge air shut off valve optional 08 Charge air cooler LT 02 Safety valve 09 Turbocharger 03 Indicator valve 10 Compressor cleaning device 04 Air waste gate 11 Air filter and silencer...

Page 122: ...der B bank if GL TI5xxB Exhaust gas temp TC inlet B bank TE521 Charge air pressure engine inlet PT601 2 Exhaust gas temp TC outlet A bank TE517 Charge air temp TC inlet if FAKS TE600 Exhaust gas temp...

Page 123: ...he turbocharger can be located at both ends the figure shows only free end solutions A flexible bellow has to be mounted directly on the turbine outlet to protect the turbocharger from external forces...

Page 124: ...Fig 11 7 Exhaust outlet possibilities 16V engine 11 6 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 11 Exhaust Gas System...

Page 125: ...t and straight as possible Pipe bends and expansions should be smooth to minimise the backpressure The diameter of the exhaust pipe should be increased directly after the bellows on the turbocharger P...

Page 126: ...e or high damping stainless steel wire pads Adequate thermal insulation must be provided to protect rubber mounts from high temperatures When using resilient mounting the alignment of the exhaust bell...

Page 127: ...Exhaust gas boiler If exhaust gas boilers are installed each engine should have a separate exhaust gas boiler Alternatively a common boiler with separate gas sections for each engine is acceptable For...

Page 128: ...number of correction factors The spectrum of the required attenuation in the exhaust system is achieved when the free field sound power A is transferred into sound pressure B at a certain point and c...

Page 129: ...made according to the engine characteristics to the sound level requirements and to other equipment installed in the exhaust gas system like SCR exhaust gas boiler or scrubbers The CSS system is buil...

Page 130: ...d a condense drain but it comes without mounting brackets and insulation The silencer can be mounted either horizontally or vertically The noise attenuation of the standard silencer is either 25 or 35...

Page 131: ...lled 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 u...

Page 132: ...eaning system The compressor side of the turbocharger is cleaned using a separate dosing vessel mounted on the engine 12 2 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 12 Turb...

Page 133: ...nitrogen usually inert react with oxygen to form Nitric oxide NO and Nitrogen dioxide NO2 which are usually grouped together as NOx emissions Their amount is strictly related to the combustion temper...

Page 134: ...itrogen Oxides applies to diesel engines over 130 kW installed on ships built defined as date of keel laying or similar stage of construction on or after January 1 2000 and different levels Tiers of N...

Page 135: ...EIAPP certificate is part of the IAPP International Air Pollution Prevention Certificate for the whole ship IMO NOx emission standards The first IMO Tier 1 NOx emission standard entered into force in...

Page 136: ...engines 130 kW installed in ships which keel laying date is 1 1 2016 or later when operating inside the North American ECA and the US Caribbean Sea ECA The IMO Tier 3 NOx limit is defined as follows...

Page 137: ...fuel oil used onboard a ship must currently not exceed 0 1 in weight The Marpol Annex VI has undertaken a review with the intention to further reduce emissions from ships The current and upcoming lim...

Page 138: ...significantly reduce NOx emissions when this is required Diesel engine exhaust emissions can be reduced either with primary or secondary methods The primary methods limit the formation of specific emi...

Page 139: ...rtance 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...

Page 140: ...class is IP54 14 1 1 Local control panel and local display unit Operational functions available at the LCP Local start Local stop Local emergency speed setting selectors mechanical propulsion Normal...

Page 141: ...Led 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 engin...

Page 142: ...t of cables Cable types typical From To Cable 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 1 x 2 x 0 75 mm2...

Page 143: ...ing on installation Dimension of the power supply cables depends on the cable length Power supply requirements are specified in section Power unit Fig 14 4 Signal overview Main engine W rtsil 26 Produ...

Page 144: ...entional fuel injection Startblockings are handled by the system on the engine main control module 14 2 1 1 Startblockings Starting is inhibited by the following functions Turning gear engaged Stop le...

Page 145: ...be adjusted with increase decrease signals The electronic speed control handles load sharing between parallel engines fuel limiters and various other control functions e g ready to open close clutch s...

Page 146: ...and electric motor Motor starters are not part of the control system supplied with the engine but available as optional delivery items 14 4 1 1 Engine turning device 9N15 The crankshaft can be slowly...

Page 147: ...en the main pump is in order 14 4 1 4 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 b...

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Page 149: ...h the holes in the mounting brackets The design of the foundation bolts is shown in the foundation drawings When these dimensions are followed standard bolts can be used for the clearance bolts in ord...

Page 150: ...classification society for a total surface pressure of 5 N mm typical conservative value is ptot 3 5 N mm When installing an engine on resin chocks the following issues are important Sufficient elong...

Page 151: ...nted in line engine on resin chocks DAAE077678a DAAE077679a Fig 15 2 Seating and fastening rigidly mounted V engines on resin chocks 9813ZT114 9813ZT117 W rtsil 26 Product Guide a9 7 September 2016 15...

Page 152: ...Fig 15 3 Clearance bolt 9813ZT122 Fitted bolt 9813ZT121 15 4 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 15 Foundation...

Page 153: ...Fig 15 4 Foundation top view and drilling plan in line engines 9813ZT110a W rtsil 26 Product Guide a9 7 September 2016 15 5 15 Foundation W rtsil 26 Product Guide...

Page 154: ...Fig 15 5 Foundation top view and drilling plan V engines 9813ZT112a 15 6 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 15 Foundation...

Page 155: ...e into contact with oily water The rubber elements are protected against dripping and splashing from above by means of covers The number of resilient elements and their location is calculated to avoid...

Page 156: ...Fig 15 6 Principle of resilient mounting in line engines DAAE077680 DAAE077681 15 8 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 15 Foundation...

Page 157: ...feet design Fig 15 7 Distance between fixing bolts on generator 9506ZT733B Rmax mm H mm 560 1250 650 1340 700 1420 750 1540 780 1620 850 1800 925 1950 1000 2200 W rtsil 26 Product Guide a9 7 September...

Page 158: ...om 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 W rtsil at the design stage Ma...

Page 159: ...ecessary 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 f...

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Page 161: ...ling frequencies Fig 16 1 Coordinate system Table 16 1 External forces and couples MZ kNm MY kNm Frequency hz MZ kNm MY kNm Frequency hz FZ kN FY kN Frequency hz Speed rpm Engine 0 5 0 6 30 33 3 3 5 4...

Page 162: ...50 30 7 31 6 67 5 75 900 1000 W 9L26 19 6 19 6 90 100 4 0 3 1 45 50 900 1000 W 12V26 7 2 6 7 120 133 3 21 5 21 8 60 66 7 900 1000 W 16V26 16 3 Mass moments of inertia The mass moments of inertia of th...

Page 163: ...values are given a minimum value and a 90 value The minimum value is the lowest measured noise level The 90 value indicates that 90 of all measured noise levels are below this value Fig 16 2 Typical s...

Page 164: ...e Fig 16 4 Typical sound power level for exhaust noise W L26 Fig 16 5 Typical sound power level for exhaust noise W V26 16 4 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 16 Vi...

Page 165: ...y 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 The followi...

Page 166: ...usually require a fail safe device for single main engines The fail safe device permits restricted operation in case the flexible parts of the coupling would fail 17 2 W rtsil 26 Product Guide a9 7 S...

Page 167: ...hat 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 we...

Page 168: ...ts and radial forces When these values are exceeded an extra support bearing is needed In the figures an indication is given how an extra support bearing could be arranged externally Such a support be...

Page 169: ...and with external support bearing for in line engines Fig 17 5 PTO shaft arrangement of standard PTO shaft and with external support bearing for V engines W rtsil 26 Product Guide a9 7 September 2016...

Page 170: ...of the propeller at full zero pitch in water Torsional stiffness or dimensions of the shaft Material of the shaft including tensile strength and modulus of rigidity Drawing number of the diagram or dr...

Page 171: ...wer distribution between the different users Power speed curve of the load 17 6 Turning gear The engine is equipped with an electrical driven turning gear for turning the engine The electrical motor i...

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Page 173: ...in line engines DAAE026895a A2 mm A1 mm Engine type 2300 2500 W 6L26 2400 2500 W 8L26 2400 2500 W 9L26 Maintenance charge air cooler with standard service tool 1 Maintenance charge air cooler without...

Page 174: ...mise the distance between crankshafts Special care has to be taken checking the maintenance platform elevation between the engines to avoid structures that obstruct maintenance Fig 18 3 Main engine ar...

Page 175: ...shaft distances in order to fulfil the requirement for minimum free space between the shaft and the engine Fig 18 4 Main engines arrangement 4 engines DAAE033712 F E D C B A Engine 1172 2500 1500 117...

Page 176: ...e The surface of 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 fa...

Page 177: ...uirement for the in line engine Fig 18 5 Service space requirements for in line engines turbocharger in driving end DAAE026452c W rtsil 26 Product Guide a9 7 September 2016 18 5 18 Engine Room Layout...

Page 178: ...Fig 18 6 Service space requirements for in line engines turbocharger in free end DAAE030871B 18 6 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 18 Engine Room Layout...

Page 179: ...outlet elbow recommended 400 mm F2 526 526 481 369 369 275 Lifting point for turbocharger G1 390 390 405 298 298 305 Lifting point for turbocharger G2 1300 1300 Width for dismantling lubricating oil...

Page 180: ...vice space requirements for V engines turbocharger in driving end DAAE033190a Fig 18 8 Service space requirements for V engines turbocharger in free end DAAE033191a 18 8 W rtsil 26 Product Guide a9 7...

Page 181: ...842 705 576 440 Lifting point for turbocharger G1 573 730 573 730 Lifting point for turbocharger G2 1800 1800 Width for dismantling lubricating oil cooler H1 225 509 Recommended lifting point for dism...

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Page 183: ...ines Fig 19 1 Lifting of main engines in line engines DAAE026602a H L Engine 3435 4387 W 6L26 3494 5302 W 8L26 3494 5691 W 9L26 All dimensions in mm W rtsil 26 Product Guide a9 7 September 2016 19 1 1...

Page 184: ...580 2453 6355 W 12V26 37 4 3224 5981 3224 6220 1580 2473 6355 W 16V26 Turbocharger in driving end Weight ton for wet sump engines including hoisting tool and transport support All dimensions in mm 19...

Page 185: ...W 6L26 0 5 1 7 42 9 2300 2780 3160 8243 3160 8180 8167 W 8L26 0 5 1 7 47 5 2300 2780 3160 8853 3160 8570 8731 W 9L26 0 5 1 7 59 3 2700 2780 3660 8353 W 12V26 0 5 1 7 68 8 2700 2780 3660 9772 W 16V26...

Page 186: ...ngine 440 500 534 965 W 6L26 530 500 534 965 W 8L26 530 500 534 965 W 9L26 680 1900 590 625 W 12V26 725 1900 590 625 W 16V26 Fig 19 6 Lubricating oil cooler Weight kg L mm J mm H mm Engine 100 304 694...

Page 187: ...Fig 19 7 Major spare parts W rtsil 26 Product Guide a9 7 September 2016 19 5 19 Transport Dimensions and Weights W rtsil 26 Product Guide...

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Page 189: ...F format Drawings are available in PDF and DXF format and in near future also as 3D models Consult your sales contact at W rtsil to get more information about the product guides on the Business Online...

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Page 191: ...inertia 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 f...

Page 192: ...21 2 Collection of drawing symbols used in drawings Fig 21 1 List of symbols DAAE000806c 21 2 W rtsil 26 Product Guide a9 7 September 2016 W rtsil 26 Product Guide 21 ANNEX...

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Page 196: ...bal leader in complete lifecycle power solutions for the marine and energy markets By emphasising technological innovation and total efficiency W rtsil maximises the environmental and economic perform...

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