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Alfa Laval 881176-09-01/1, Инструкция

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37

5  Maintenance

5.4  Dismantling - assembly instructions

First dismantle the separator bowl as described in 

‘‘5.4.2 Cleaning of bowl” on page 32

.

See comments on opposite page.

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Содержание 881176-09-01/1

Страница 1: ...IFB 403X 73 Instruction book High speed separator Product No 881176 09 01 1 Book No 576956 02 Rev 6...

Страница 2: ...8 530 650 00 Telefax 46 8 530 310 40 Alfa Laval Tumba AB 18 February 2020 The original instructions are in English This publication or any part there of may not be reproduced or transmitted by any pro...

Страница 3: ...ng disc 18 2 3 Working principle 18 2 3 1 Concentrator mode 18 3 Operating instructions 19 3 1 Operating routine 19 3 1 1 Introduction 19 3 1 2 Before start 19 3 1 3 Start 20 3 1 4 Operation 21 3 1 5...

Страница 4: ...s 31 5 4 1 Introduction 31 5 4 2 Cleaning of bowl 32 5 4 3 Replacement of O rings 36 5 4 4 Replacement of motor bearings 38 5 4 5 Replacement of connection housing 41 6 Technical references 43 6 1 Pro...

Страница 5: ...ation service and maintenance Not following the instructions can result in serious accidents In order to make the information clear only foreseeable conditions have been considered No warnings are giv...

Страница 6: ...6...

Страница 7: ...ot be used for any other purpose Incorrect operation and maintenance can result in unbalance due to build up of sediment reduction of material strength etc that subsequently could lead to serious dama...

Страница 8: ...ently if process or cleaning liquid is corrosive or erosive Entrapment hazards Make sure that rotating parts have come to a complete standstill before accessing parts inside the machine or starting an...

Страница 9: ...r or motor cable After disconnecting the input power always wait in accordance with the documentation for the frequency converter Skin irritation hazards When using chemical cleaning agents make sure...

Страница 10: ...n imminently hazardous situation which if not avoided will result in death or serious injury WARNING Type of hazard WARNING indicates a potentially hazardous situation which if not avoided could resul...

Страница 11: ...ste incineration plant If not available they should be disposed to a suitable licensed land fill site Bearings and other metal parts should be sent to a licensed handler for material recycling Seal ri...

Страница 12: ...ity mechanics can create In some cases special skilled personnel may need to be hired like electricians and others In some of these cases the personnel has to be certified according to local regulatio...

Страница 13: ...13 1 Safety Instructions 1 4 Remote start...

Страница 14: ...1 4 Remote start 1 Safety Instructions 14...

Страница 15: ...re the heavy one coolant has the major volume Its use is restricted to the removal of solids and tramp oil from coolants Liquid type Coolant Separating temperature Min 15 C max 70 C NOTE Maximum permi...

Страница 16: ...es place The cleaned liquid leaves the separator at B The separated oil runs down the collecting channel 4 to the outlet C The bowl 1 and motor 3 are suspended on three vibration dampers 2 G0450591 Se...

Страница 17: ...hen the current is switched off the converter acts as a brake quickly reducing the speed to below 1000 r min within 25 seconds The separator is equipped with the following safety devices A safety yoke...

Страница 18: ...ating powerful centrifugal forces As the liquid rotates with the bowl the liquid heavy phase and solid particles moves towards the periphery of the bowl The particles 2 are deposited on the bowl wall...

Страница 19: ...age 29 Make sure that the three hood screws 3 and the paring disc knob 1 are firmly tightened and that the safety yoke 2 is in its closed vertical position Make sure the bowl is free from solids befor...

Страница 20: ...torch or check through the oil outlet at the bottom of the separator If coolant escapes through the oil outlet stop the liquid feed and follow the instructions given in 4 7 Some coolant is escaping t...

Страница 21: ...heck that coolant is not discharging from the separator Check as illustrated 1 using a torch or check through the oil outlet at the bottom of the separator If coolant escapes through the oil outlet st...

Страница 22: ...ormal draining of the bowl as it stops 3 Make sure that the valves if any are closed on both the feed and outlet sides of the separator If this is not done and the position of the tank level is higher...

Страница 23: ...to overload of the separator motor too high temperature in the frequency converter wrong frequency from the converter If the separator does not start or if it stops during operation follow the instru...

Страница 24: ...3 1 Operating routine 3 Operating instructions 24...

Страница 25: ...n the frequency converter board Replace the switch if faulty Incorrect assembly after cleaning The bowl and motor shaft can not rotate freely Make sure that the bowl and motor shaft can rotate freely...

Страница 26: ...ded Defective motor or frequency converter Replace motor or frequency converter located in Control unit WARNING Disintegration hazard If excessive vibrations occur stop the separator Possible cause Ac...

Страница 27: ...the paring disc knob the upper part of the separator are not completely tightened Dismantle and check the separator bowl parts Especially check that no O rings are missing are defective or incorrectly...

Страница 28: ...sc stack Shorten the cleaning interval The three screws fastening the bowl hood or the paring disc knob the upper part of the separator are not completely tightened causing leakage Tighten the screws...

Страница 29: ...ed before the solids layer has become thicker than 10 mm Otherwise there will be risk of that the clean liquid outlet in the bowl will be covered by solids 5 4 2 Cleaning of bowl on page 32 explains h...

Страница 30: ...eparation temperature 60 C and below it is recommended to fit a new stack every two years to ensure that the separation efficiency is maintained At separation temperature above 60 C it is recommended...

Страница 31: ...place and assemble the various parts of the separator The illustrations have symbols only to indicate the actions required The key to the symbols is given below Remove Screw or turn clockwise Press or...

Страница 32: ...is opened If coolant continues to leak the cause could be a non sealing check valve if any while the separator is connected to a tank with a level higher than the separator siphon effect Illustration...

Страница 33: ...33 5 Maintenance 5 4 Dismantling assembly instructions Dismantling See comments on opposite page G04491C1...

Страница 34: ...emoved first fit the level ring and then the O ring outside the level ring Finally press down the O ring by pressing the cover 3 firmly with both hands Illustration 18 Check that the distance illustra...

Страница 35: ...Assembly NOTE Always screw home the knob fitted on the connecting housing before tightening the screws shown in illustration 23 Otherwise there is a risk that the pin inside the connecting housing cou...

Страница 36: ...r Illustration 13 Check that the washer is fitted Otherwise there is a risk that the bowl will not make firm contact with the spindle If two or more washers are fitted accidentally this will prevent t...

Страница 37: ...intenance 5 4 Dismantling assembly instructions First dismantle the separator bowl as described in 5 4 2 Cleaning of bowl on page 32 See comments on opposite page 3 4 5 7 15 11 12 14 10 1 2 13 6 8 9 G...

Страница 38: ...5 4 Dismantling assembly instructions 5 Maintenance 38 5 4 4 Replacement of motor bearings First dismantle the separator bowl as described in 5 4 2 Cleaning of bowl on page 32 G0449461...

Страница 39: ...39 5 Maintenance 5 4 Dismantling assembly instructions G0449671...

Страница 40: ...5 4 Dismantling assembly instructions 5 Maintenance 40 See Assembly on page 35 for how to assemble the rest of the separator G0449681...

Страница 41: ...41 5 Maintenance 5 4 Dismantling assembly instructions 5 4 5 Replacement of connection housing G0449741...

Страница 42: ...5 4 Dismantling assembly instructions 5 Maintenance 42...

Страница 43: ...unction Motor intended for frequency converter mounted on bowl spindle Rigidly mounted top bearing Exterior rubber buffers Design in accordance with directives and standards See 6 1 1 Declaration on p...

Страница 44: ...Acoustics Determination of sound power levels of noise sources using sound pressure EU Declaration of Conformity The machinery complies with the following Directives Designation Description 2014 30 EU...

Страница 45: ...45 6 Technical references 6 1 Product description Signed for and on behalf of Place Date of issue Signature Name Function...

Страница 46: ...0 5 minutes Density of sediment feed max 1600 1000 kg m3 Feed temperature min max 15 70 o C Bowl material AL 111 4212 06 Operating data Allowed speed max 7500 r minute Speed motor shaft max 7500 r mi...

Страница 47: ...47 6 Technical references 6 3 Basic size drawing 6 3 Basic size drawing Alfa Laval ref 576171 rev 0 G0878651 All connections to be installed non loaded and flexible...

Страница 48: ...x 525 litres hour Pressure 0 60 kPa 220 Outlet for light phase No counter pressure 221 Outlet for heavy phase Counter pressure 170 kPa 225 Bowl drain outlet No counter pressure 701 Motor for separator...

Страница 49: ...ystem for the separator 6 5 2 References This Interface Description is one complementary document to the separator Other such documents that contain necessary information and are referred to here are...

Страница 50: ...atisfactory process result are e g Information and instructions given in this document aim at preventing these situations For this reasons functions that are indispensable or needed for safety reasons...

Страница 51: ...face Description The separator control system is activated If above conditions are not fulfilled the separator will be in SERVICE mode STAND STILL means The power to the separator motor is off The bow...

Страница 52: ...The motor is intended to be fed from a electric power drive The design of the electric power drive shall include an overspeed protection which prevents the separator to reach a speed that exceeds the...

Страница 53: ...nt and should be investigated Signal processing in RUNNING If low speed is indicated the separator should be stopped automatically according to NORMAL STOP procedure and an alarm should be given Low s...

Страница 54: ...f start is done from STAND STILL or STOPPING Processing in RUNNING Could be closed or open Processing in NORMAL STOP or EMERGENCY STOP Could be closed or open but the bowl should be filled unless the...

Страница 55: ...Foundation drawing 6 6 Foundation drawing Alfa Laval ref 576170 rev 0 G0935121 A Recommended thickness 3 min B Horizontal deviation max 3 C Service side D 3 x 7 0 2 mm spaced 120 for foundation bolts...

Страница 56: ...the separator hood Interpretation Stop Read the instruction manuals before installation operation and maintenance Failure to strictly follow instructions can lead to fatal injury 2 Machine plate Plate...

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