渣浆泵(克莱博斯)ppt课件

1,WelcometomillMAXPumpTrainingforTaggartChina,2,WorldHeadquarters-Tucson,Arizona,3,10OfficesWorldwide,Santiago,Tucson,Vienna,Johannesburg,SaoPaolo,Perth,Sydney,Manila,Beijing,Shanghai,4,ProblemsWithConventionalSlurryPumps,5,ConventionalPumpDesign,6,LowPressure,HighPressure,SlurryNaturalRecirculationPath,7,Conventionalflowrecirculationbasedonclearanceversuspumpspeed,Ref:R.J.StepanoffCentrifugalandAxialFlowPumps,8,SolidsConcentrationisHighestatImpellerShrouds,ConcentrationofSlurryisCv=10%ConcentrationatSuctionShroudisCv=24.6%,Reference:UniversityofKentuckyHydraulicsLaboratory,9,SolidsareCrushedBetweenImpellerandPumpCase,ConsumingPowerandProducingWear,10,EffectsofSuction-SideRecirculation,11,Suction-SideRecirculation,WideGapattheFrontandBack,12,GrindingofSolidsbetweentheImpellerandSuctionLinerorThroatBush,13,UnevenPartsReplacementCycles,SuctionSideLinersandImpellerswear2to3timesFasterthanPumpCases.,14,ImportanceofCyclonePerformance,15,SummaryofConventionalPumpProblems,SlurryrecirculationonthesuctionsideGrindingofsolidsbetweentheimpellerandsuctionlinerReducedhydraulicefficiency(Er)Reduced(cyclone)performanceovertimeHighpowerconsumptionLowpartswearlifeUnequalmaintenancecyclesUnscheduledshutdownsBallchipsortrampjamstheimpellerfrontorbacksideInabilitytoincreasecapacityusingexistingmotorsanddrives,16,millMAXDesignConcept,Patentedon-linesuctionsidewearclearanceadjustmentHybridSealingSystemmaintainsconstantflowandpressurewithoutincreasingspeedorcausingmotoroverload.,Tightclearanceatwearringpreventssuctionsiderecirculation.,Wideclearanceatexpellingvanespreventslargesolidsfrombeingcrushed.,Narrowclearanceatbacklinerensuresshaftsealingsystemworkswell.,17,millMAXDesign,3x2thru14x12IncorporatesabacklinerSolidvolutecaseWearRingadjustmentthruthecasingWaterflush,centrifugalsealandvacuum-pressuregland,18,millMAXLargePumpDesign,16x14thru28x26IncorporatesasuctionlinerCasingwithsuctionplateWearringadjustmentthruthesuctionlinerWaterflushgland,19,KrebsmillMAXPumpSolvingtheRecirculationProblem,Wideclearancesat“A”preventssolidsfrombeingcrushed.Tightclearancesat“B”preventssuction-siderecirculation.Narrowclearancesat“C”ensuresshaftsealingsystemworkswell.,A,Wide,B,C,Tight,Narrow,20,Urethanecarrierprovidesasealagainsttheintrusionofslurry.Longwearinghighchromeironwearringsealsagainstimpeller.4-6jackingscrewsareusedtoadjustthewearringforwardasthepumpisrunning.,Patented“Hybrid”SealingSystem,21,KrebsmillMAXPumpRunningClearanceAdjustment,Wide,Narrow,StepNo.1(AtStartUp)SetBackClearancebyAdjustingBearingAssemblytotheRear,StepNo.2(DuringOperation)SetFrontClearancebyAdjustingWearRingTowardImpeller,22,Whilethepumpisrunning.Withoutdisconnectingthedrive.Withoutmovingtheimpellerandshaftassembly.Withoutdisturbingguardsorv-beltdrive.,SettingClearances,AdjustmentsCanbeDoneThroughouttheServiceLifeoftheParts:,23,ImpellerHighRadialVanes,Clearslargesolids.Preventssolidsfrombeingcrushed.Reducesdifferentialpressureattheeyeoftheimpeller.,24,AdjustableWearRing,Wearringtakesupclearanceattheimpeller.Adjustedduringoperation.Reducessuctionsiderecirculation.Maintainshydraulicperformance.,25,ExternalWearAdjustmentScrews,4-6screwsforon-linewearclearanceadjustment.Adjustedwhilethepumpisoperating.Adjustedsixtoeighttimesduringthelifeofthepump.,26,TypicalWearPatternonWornImpeller,27,millMAXPowerFrame,HeavyDutyCastPedestalExternalBearingAssemblyAdjustmentWideBearingCentersHeavyDutyShaftandBearingsDoubleClamps,28,millMAXBearingAssemblyDesign,29,ReverseTaperRollerBearings,IncreasesEffectiveLoadSpantoImproveLife.MainBearingFailureisDuetoOverGreasing.PumpingActionofTaperRollersDischargesGreasetotheOutsidePreventingIngressofSlurryorOverGreasingofBearingCartridge.,30,31,slurryMAXPump,32,33,HIGHPRESSURE/HIGHHEADPUMPS4x3-176x4-21,34,6x4x21HighPressurePump,35,6x4x21HighPressurePump,36,graveIMAX,37,gravelMAXPump,38,SlurryPumpApplication,39,BelowBEPOperation,MismatchbetweenCriticalFlowAnglesandImpellerVanes,AtBEPOperation,IncomingAngleofSlurryisMatchedtoImpellerVaneAngle,Oversizedpumpsmisalignflow,40,W2,U2,C2,C2-AbsoluteFlowVelocity,U2-PeripheralVelocityofImpeller,W2-RelativeVelocityofFlow,BEPOperation,41,W2,U2,C2,BelowBEPOperation,42,OversizedPumpsIncreaseInternalSlurryVelocity,43,OversizedPumpsIncreaseInternalSlurryVelocity,44,EffectofSuctionSideWearonPumpingSystemFixedSpeedSystem,NewCondition,WornCondition,45,EffectofSuctionSideWearonPumpingSystemVariableSpeedSystem,NewCondition,WornCondition,46,Glands-ShaftSealOptions,47,WaterFlushGland,GPMFrameFullLowCMC80.15MMA140.20MMB190.30MMC240.50MMD301.00,MaxGlandWaterRequirement,48,millMAXCentrifugalSealLowHead,LowSuctionHead,DryGlandCentrifugalSeal,49,millMAXCentrifugalSealHighHead,HighSuctionHead,DryGlandCentrifugalSeal,50,QuickReleaseDesign,51,ImpellerSuctionEndRetainer,52,millMAXPumpsInstalledinCoal,53,TaggartDesigned/Constructed(orupgraded)CoalPrepPlantsNorthAmericaPrairieEagleCoal(allpumps)12x10thru4x3BluestoneIvel(allpumps)12x10thru4x3ArmstrongCoal(allpumps)12x10thru4x3BluestoneRedFox(allpumps)12x10thru4x3PreservatiCoal(allpumps)12x10thru4x3BlackBeautyCorning(allpumps)12x10thru4x3NightStarCoal(allpumps)12x10thru4x3HHWesternCanadaWesternCanadaCoalWolverine(allpumps)14x12thru4x3PineValleyCoal(allpumps)12x10thru4x3RussiaSUEK(11pumps)14x12thru4x3NonTaggartmillMAXInstallationsAllianceResourcesHopkinsCo.Coal(allpumps)14x12thru4x3AdventMining(allpumps)12x10thru4x3Peabody/BlackBeauty(6plants)severalsizesineachplantElkValleyCoalFordingRiver12pumps12x10thru6x4Mezchuraskaya(60pumpsofvarioussizes),54,KrebsmillMAXPump,10 x8millMAXPumpatBowieResources,Colorado,USA,55,Comments:,Customer:Kindill#3HorizonNaturalResources,ExistingGoulds