船舶主机培训课件ME-B

©MANDieselA/SSmallboretwo-strokeME-BenginesOZS/2200/20061122S50MES50ME--BBS35MES35ME--BBS40MES40ME--BB©MANDieselA/SS35ME-B,S40ME-BMarketdemandsƒLowerpropellerspeedƒIncreasedenginepowerƒLowerspecificfueloilconsumptionƒLowerlubeoilconsumptionOZS/2200/20060901ƒEasyadjustmentofparametersƒLowminimumrunningspeedƒLowerSFOCatpartloadsƒFlexibilityregardingemissionRequire:ElectronicfuelinjectioncontrolƒLowproductioncost©MANDieselA/SSmallBoreElectronicInjectionAdvantageofelectroniccontrolledfuelinjectionƒƒInjectionpressureisindependentofenginespeedInjectionpressureisindependentofenginespeed(RPM)(RPM)ƒƒVariableinjectiontiming(VIT)Variableinjectiontiming(VIT)ƒƒOptimalSFOCatminimumemissionOptimalSFOCatminimumemissionƒƒEasyEasyadjustmentadjustmentofofengineengineparametersparameters©MANDieselA/SCostinRelationtoEngineSize3333540.2006.04.10(2200/OZS)CostIndex(ref.MC-C)ME-CMC-C80%90%100%110%120%130%ME-BLargeboreSmallbore©MANDieselA/SME-BSmall-BoreEngineProgrammeL1pointUnitS35ME-BS40ME-BS50ME-B,Mk9S50ME-B,Mk8Cylinderno:5-85-85-95-9Bore:mm350400500500Stroke:mm1550177022142000Stroke/Boreratio:4,434,434,434,00Speed:r/min167146117127Meanpistonspeed:m/s8,638,618,638,50MEP:bar21212120Power:kW/cyl870113517801660SFOC:g/kWh1761751691702200/OZS/2006.11.19©MANDieselA/SFig.1PoweragainstpropellerspeedLayoutDiagramoftheME-BEngines3334503.2006.11.07(2160/BGJ)©MANDieselA/SSmallBoreElectronicInjectionME-BcomparedtoME-CƒExhaustValveoperatedbyalightCamshaftdriveƒReducedHydraulicPowerCapacityƒRedundancylevelasforMC-CƒSimplifyEngineControlSystem©MANDieselA/SSmallBoreElectronicInjectionECSFunctionalityOZS/2200/20060824FunctionsintheECSwhichareomittedorsimplified:ƒƒExhaustvalvecontrol(omitted)Exhaustvalvecontrol(omitted)ƒƒStartingaircontrol(omitted)Startingaircontrol(omitted)ƒƒAuxiliaryAuxiliaryblowerblowercontrolcontrol((omittedomitted))ƒƒPumpcontrol(simplified)Pumpcontrol(simplified)©MANDieselA/SSmallBoreElectronicInjectionConclusionforME-BOZS/2200/20060823TheME-Bengineswillbedesignedwith:ƒƒPressureboosterssimilartotheMEPressureboosterssimilartotheME--CCƒƒ300barhydraulicsystem300barhydraulicsystemƒƒHydrauliccylinderunitsservingtwocylindersHydrauliccylinderunitsservingtwocylindersƒƒOneOnegasgasaccumulatoraccumulatorononeacheachHCUHCUƒƒElectricdrivenhydraulicpumpsElectricdrivenhydraulicpumps©MANDieselA/SSmallBoreElectronicInjectionME-BSystemLayoutOZS/2200/20060824InjectionInjectionvalvesvalvesPressurePressureboostersboostersELFIELFIValvesValvesHydraulicHydraulicoiloilrailrailCamshaftCamshaftdrivendrivenexhaustexhaustactuatorsactuatorsLightLightcamshaftcamshaftDualDualcylindercylinderHCUHCU©MANDieselA/SME-BDualCylinder(HCU)3333572.2006.04.12(2200/OZS)DistributorDistributorblockblockELFIELFIvalvevalveAlphaAlphaLubricatorLubricatorWithACCWithACCPressurePressureboosterbooster©MANDieselA/SMEFuelInjectionSystemTodrainTodrainMembraneaccumulatorMembraneaccumulatorFuelpumpFuelpumpFueloilinlet8barFueloilinlet8barSuctionvalveSuctionvalveELFIProportionalvalveELFIProportionalvalveSlideFuelvalveFuelpumpplungerFuelpumpplungerHydraulicpistonHydraulicpistonHighpressurepipeHighpressurepipeHighpressurehydraulicoil–inletHighpressurehydraulicoil–inletL/73829-9.0/0303(2200/OZS)©MANDieselA/SME-BHydraulicpowersupply(HPS)HPSmountedinforendBollFilterBollFilterLubeLubeoiloilinletinlet©MANDieselA/SME-BHPSLubeoilinlet©MANDieselA/SME-BLayoutofHPSElectricmotorHydraulicpumpLubeoilinlet300barhydraulicoilSafetyblock©MANDieselA/SME-BLayoutofHighPressurePipe300bar300barhydraulichydraulicoiloilrailrailfromfromthetheSafetySafetyBlockBlocktotothetheHCUHCUSafetySafetyblockblock©MANDieselA/SME-BMechanical/HydraulicDiagramHCUHCUHPSHPSBOLLfilterBOLLfilter2200/OZS/20061122©MANDieselA/SPiston•Borecooled•Hightopland•Toppistonring,highCPR-type•AllringsAlu-coated•SkirtwithbronzebandCylinderliner•Slimtypeliner,TarkalloyA•PistoncleaningringCylinderframe•Nodularcastironorweldedwithintegratedscav.airreceiverFramebox•Triangularguideplanedesign•TwinstayboltBedplate•WeldedbedplatewithgirdermadefromsteelplateExhaustvalve•Operatedbylightcamshaft•DURAspindle•W-seat•COLHydrauliccylinderunit•Fueloilpressurebooster•IntegratedAlphaLubricatorFuelsystem•TwolowNOxslidefuelvalvesConnectingRod•Slimdesign•LowfrictionguideshoeCrankshaft•Semi-builtBearings•ThinshellbearingsSn40-AlME-BDesignFeatures©MANDieselA/SBedplate6S40ME-B9999999.2006.08.23(2210/FLL)BedplateBedplatemainlymainlymademadebybyplateplate--supportssupports..OnlyOnlytwotwocastedcastedsupportsatsupportsatthethethrustthrustsectionsection..©MANDieselA/SBedplate6S40ME-BIntermediateIntermediatesectionsectionwithwithplatesupportsplatesupportsweldedweldedininthetheboxboxstructurestructure..MachiningMachiningofofsupportsidesissupportsidesisomittedomitted©MANDieselA/SS35ME-B,S40ME-BCrankshaft3333564.2006.04.12(2200/OZS)ƒSemi-builtƒForgedsteelƒConventionalmaterial©MANDieselA/STurninggearS40ME-BMountedMountedononaftaftsidesideofofthethebedplatebedplateNoNocutoutcutoutininbedplatebedplateandandframeframeboxbox©MANDieselA/STurningGearS40ME-BWormgearPlanetgear©MANDie