广柴8320船用柴油机供货技术条件详解.docx
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广柴8320船用柴油机供货技术条件详解
DeliveryTechnicalConditions
ForModel8320ZCd-8MarineDieselEngine
8320-JH115H-01
GuangzhouDieselEngineFactory
contents
1InGeneral
2SpecificationsandMainTechnicalParameters
3TechnicalConditionsandNotes
4DeliveryScope
5Packing
6FactoryWarranty
1InGeneral
1.1Thisdeliveryconditionsspecifythemainspecifications,technicalconditions,deliveryscope,packing,factorywarranty,spareparts,etc.forthe8320ZCd-8dieselengine.
1.2Whenex-factory,theenginesshallbeinaccordancewiththetechnicalrequirementsstipulatedinthisdeliveryconditions.
1.3Forthedetailsofthefittingdataandtheex-factorytestrecords,seetheTechnicalCertificate.
1.4Fortheparticularrequirementsfromusers,suchastotakeouttheoutputpowerfromthefrontendoftheengine,tomodifythedimensionsofconnectingtheflywheelwiththecoupling,touseGeislingerflexiblecoupling,toinstalltheremotecontroldevice,etc,theymustbestipulatedinthedeliverycontract.
1.5Thetorsionalcalculationmustbecarriedoutwhenprojectingthepropulsionplantinordertosatisfytherequirementofsafetyandoperation.Ifthefrontendoutputshaftisapplied,theequivalentsystemforthetorsionalcalculationshalladdrelativemasspointstoensuretheaccuracyofcalculation.
1.6Whentheengineisusedasthemainpropulsionplantwithahead&asternclutchgearbox,itisnotpermittedtoengagetheclutchgearboxwiththeengineatminimumidlingspeedtoavoidtheenginestopsautomaticallyduetothesharpreductionofthespeed.Thespeedforpre-engagementshallbedecidedaccordingtotherequirementsforequipmentsoftheshaftsystem.Therecommendedspeedforpre-engagementis55~60%oftheratedspeedoftheengine.
1.7Thesupplieroftheremotesystemmustsetsuitablepre-engagementspeedfunctionfullyconsideringtherequirementforcontrolsystemfromtheengineandahead&asternclutchgearboxtoensuretheenginecanoperatenormallyduringtheoperationofengagementanddirectionchange.
1.8Incasethattheequipmentitemanditsquantitysuppliedbythefactorydifferfromthesameshowninthistechnicalconditionsdocument,thedeliverycontractwillprevail.
1.9GuangzhouDieselEngineFactoryholdstherighttoreplacethepartsorcomponentslistedinthisScopeofDeliverywiththeonesofthesameperformanceorthebetterwhenitisnecessary.
2SpecificationsandMainTechnicalParameters
Modelofdieselengine
8320ZCd-8
Type
Fourstroke,inline,watercooled,directlyinjected,turbocharged,irreversiblemarinemaindieselenginewithanintercooler.
No.ofcylinders
8
Cylinderbore
mm
320
Pistonstroke
mm
440
Ratedoutput
kw
2206
Ratedspeed
r/min
525
Overloadrating（1hour）
kw
2426.6
Speedatoverloadoperation
r/min
542
Displacementofpiston
L
282.9
Specificfueloilconsumption
g/kW.h
189
Specificlubeoilconsumption
g/kW.h
1.2
Specificairconsumption
Kg/s
5.0
Minimumidlingspeed
r/min
210
Compressionratio
13:
1
Meanpistonspeed
M/s
7.7
Meaneffectivepressure
MPa
1.782
Maximumcombustionpressure
MPa
≤13.5
Cylinderexhausttemperature（dieseloil）
℃
≤450
Cylinderexhausttemperature（HFO）
℃
≤430
Modelofturbocharger
VTR304-11
Supercharingtype
Pulsesuperchargingwithinter-cooling
Superchargepressure
MPa
0.31±0.02
Longtermallowablespeedoftheturbocharger
r/min
＜24000
Max.allowablespeedoftheturbocharger
r/min
＜27000
Max.operatingtemperatureofturbine
℃
＜640
Exhaustgascounterpressure
MPa
0.00294
Modelofaircooler
KLQ153H
Coolingarea
M2
153
Temperatureofinletwaterofaircooler
℃
32
Coolingtype
Closed
Speedofseawaterpump
rpm
2352
Speedoffreshwaterpump
rpm
2352
Displacementofseawaterpump
M3/h
120
Displacementoffreshwaterpump
M3/h
100
Liftofseawaterpump
m
18
Liftoffreshwaterpump
m
18
Freshwatertemperatureatengineinlet
℃
60to70
Freshwatertemperatureatengineoutlet
℃
＜85
Modeloffreshwatercooler
BLG30.50B
Coolingareaoffreshwatercooler
M2
30
Modeloffreshwatertemperatureregulator
℃
LZFT100GII2（60to75）
Brandoflubeoil
40CDlubeoilfortheengineoperatedondieseloil
4030highlybasiclubeoilfortheengineoperatedonHFO
Formoflubrication
Pressurelubricatingandsplashlubricating
Lubeoilpressure
MPa
0.45to0.55
Lubeoilpressureforcamshaft
MPa
0.1to0.3
Lubeoilpressurepumptype
Geartype
Speedoflubeoilpump
rpm
1547
Displacementoflubeoilpressurepump
M3/h
56
Lubeoilsuctionpump
Providedbytheuser
ModelofLubeoilfinefilter
SBL125BIT（264mesh/inch）
Lubeoiltemperatureatengineinlet
℃
50to65
Lubeoiltemperatureatengineoutlet
℃
65to80
Modeloflubeoilcooler
BLG45.55A
Coolingareaoflubeoilcooler
M2
45
Modeloflubeoiltemperatureregulator
℃
LZFT80GII2（55to70）
Brandoffueloil
0#dieseloilGB252-1994
180cSt/50℃HFO
Fuelsupplyadvanceangle
°
13+3beforeT.D.C
Boreoftheplunger
mm
26
Strokeoftheplunger
mm
19.75
Specificationofnozzle
9×0.45R×130°
Openingpressureforfuelinjector
MPa
30
Fuelfinefiltertype
SBL40IIT
Filternetmeshoffuelfinefilter
400mesh/inch
Fuelstrainertype
SBL40IIT
Filternetmeshoffuelfinefilter
202mesh/inch
Fueloilpressureatfuelinjectionpumpinlet
MPa
0.1to0.15fordieseloil
0.4to0.5forHFO
Fueloilviscosityatfuelinjectionpumpinlet
cSt
12to14forHFO
Governormodel
YT111VG
Governortype
Mechanical-hydraulictype
Rateofspeedfluctuation
υ≤1.5%whenn≥50%ne
υ≤2%whenn<50%ne
Instantaneousspeedregulation
≤10%
Permanentspeedregulation
≤5%
Startingtype
Bycompressedair
Startingairbottlepressure
MPa
2.94
Capacityofstartingairbottle
L
300×2
Min.startingpressure
MPa
0.9
Firingorder
1-4-7-6-8-5-2-3
Inletvalveopening
70°beforeT.D.C
Inletvalveclosing
45°afterB.D.C
Exhaustvalveopening
55°beforeB.D.C
Exhaustvalveclosing
50°afterT.D.C
Rotationdirection（viewedontheflywheel）
Clockwise
Overalldimension（L×W×H）
mm
6010×1853×3480
Heightabovetheaxisofthecrankshaft
mm
2675
Depthbelowtheaxisofthecrankshaft
mm
705
Min.heightabovetheaxisofthecrankshaftfordismantlingorassemblingpistonandconnectingrod
mm
2750
Netweightoftheengine
kg
30000
Alarmatlubeoilpressurelow
MPa
0.20
Shut-downoftheengineatlubeoilpressuretoolow
MPa
0.12
Alarmatlubeoiltemperaturehigh
℃
75
Alarmatfreshwatertemperaturehigh
℃
85
Alarmforthefuelleakageofhighpressurefueloilpipe
Highlevel
Over-speedlimitertype
Centrifugal,hydraulictype
Actionspeedofover-speedlimiter
rpm
588to604
3TechnicalConditionsandNotes
Thereferenceconditionsforthecontinuousoutputpower,speedandSFOC,accordingtothestandardofCB/T3254.1-94,areasfollows:
Atmosphericpressure：
P0＝0.1MPa；Ambienttemperature：
T0＝298K（25℃）；Relativehumidity：
Φ0＝30％；
Coolingwatertemperaturebeforechargingaircooler：
TC0＝25℃。
3.2TheSFOCoftheengineisbasedonthefueloillowcaloricvalueof42700kJ/kg.
3.3Thereferenceconditionsfortheunrestrictednavigationareaengineaccordingto2001（CCS）areasfollows:
Absoluteatmosphericpressure：
PX＝0.1MPa；
Ambienttemperature：
TX＝318K（45℃）；
Relativehumidity：
ΦX＝60％;
Coolingwatertemperaturebeforechargingaircooler：
Tcx=305K（32℃）
Underthereferenceconditionssaidabove,thepoweroftheengineis2206kWwiththeenginespeedof525r/minandtheexhausttemperatureattheoutletofeachcylinder≤450℃.
3.4Theoverloadrating（1hour）isreferredas110%ofratedoutputprovidingthattheengineisoperatedforonehourevery12hours.
3.5Whentheengineisoperatedatthecontinuousoutputpower,thedifferencebetweenthefollowingoperatingparametersincylindersshallnotbemorethanthefollowingstipulatedvalue:
Thecompressedairpressure：
2.5％
Max.combustionpressure：
4.0％
Exhausttemperatureattheoutletofcylinder：
5.0％
3.6Theengineunderthecoolstatuswiththeambienttemperaturenotlessthan5℃shallbestartedupwithin10seconds.
3.7Theairbottlewithitsairpressureof2.94MPacanbeusedforstartingtheengineformorethan6timeswithoutfillinguptheairbottlewithair.
3.8Theengineisallowedtobeoperatedattheloadoflessthan20%ofratedoutputforashorttimewhentheturbochargerfailstooperateduetoitsdefault.Butatthattime,thecoveroftheairinletchambershouldberemoved.
3.9Itshallbeallowedthattheengineistobeoperatedattheloadofnotmorethan50%ofratedoutputforashorttimewhenoneofthecylindersisoutoffiring.
3.10UsersshalltakethetorsionalcalculationfortheshaftingwithtorsionalcalculationdataoftheenginefromGDFandthecalculatingresultshallagreetotherequirementofCCS.GDFcandothatfortheuserwithextracharge.
3.11ThecostforpackingandCCSinspectionwillbeextracharged.
4ScopeofDelivery:
4.1.Theattachmentsinstalledonthemodel8320ZCd-8dieselengine
No.
DRG./No.
Description
Q’ty
Remark
1
VTR304-11
Turbocharger
1
2
YT111GV
Hydraulicgovernor
1
3
TypeSZMB-2G
Tachogenerator
2
4
SBL40ⅡT
Fuelfinefilter
1
400mesh/inch
5
320.27.00
Over-speedtripdevice
1
6
8320.71E.00B
Lubeoilpump
1
Q＞56m3/h
7
YI320-601A-00
Freshwaterpump
1
Q=100m3/h
8
KLQ153H
Aircooler
1
GEA
9
8320.130.00B
Alltheflangesandjointsforconnectingexternalpipestotheengine
1
10
YI320-602-00
Seawaterpump
1
Q=120m3/h
11
320.23.00
Oilqualitylimiter
1
12
320.
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