渣浆泵(克莱博斯).ppt

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1、WelcometomillMAXPumpTrainingforTaggartChinaWorldHeadquarters-Tucson,Arizona10OfficesWorldwideSantiagoTucsonViennaJohannesburgSaoPaoloPerthSydneyManilaBeijingShanghaiProblemsWithConventionalSlurryPumpsConventionalPumpDesignLowPressureHighPressureSlurryNaturalRecirculationPathConventionalf

2、lowrecirculationbasedonclearanceversuspumpspeedRef:R.J.Stepanoff–CentrifugalandAxialFlowPumpsSolidsConcentrationisHighestatImpellerShroudsConcentrationofSlurryisCv=10%ConcentrationatSuctionShroudisCv=24.6%Reference:UniversityofKentuckyHydraulicsLaboratorySolidsareCrushedBetweenImpellerandP

3、umpCase,ConsumingPowerandProducingWearEffectsofSuction-SideRecirculationSuction-SideRecirculationWideGapattheFrontandBackGrindingofSolidsbetweentheImpellerandSuctionLinerorThroatBushUnevenPartsReplacementCyclesSuctionSideLinersandImpellerswear2to3timesFasterthanPumpCases.ImportanceofCyclon

4、ePerformanceSummaryofConventionalPumpProblemsSlurryrecirculationonthesuctionsideGrindingofsolidsbetweentheimpellerandsuctionlinerReducedhydraulicefficiency(Er)Reduced(cyclone)performanceovertimeHighpowerconsumptionLowpartswearlifeUnequalmaintenancecyclesUnscheduledshutdownsBallchipsortrampj

5、amstheimpellerfrontorbacksideInabilitytoincreasecapacityusingexistingmotorsanddrivesmillMAXDesignConceptPatentedon-linesuctionsidewearclearanceadjustmentHybridSealingSystemmaintainsconstantflowandpressurewithoutincreasingspeedorcausingmotoroverload.Tightclearanceatwearringpreventssuctionsid

6、erecirculation.Wideclearanceatexpellingvanespreventslargesolidsfrombeingcrushed.Narrowclearanceatbacklinerensuresshaftsealingsystemworkswell.millMAXDesign3x2thru14x12IncorporatesabacklinerSolidvolutecaseWearRingadjustmentthruthecasingWaterflush,centrifugalsealandvacuum-pressureglandmillMAXL

7、argePumpDesign16x14thru28x26IncorporatesasuctionlinerCasingwithsuctionplateWearringadjustmentthruthesuctionlinerWaterflushglandKrebsmillMAXPumpSolvingtheRecirculationProblemWideclearancesat“A”preventssolidsfrombeingcrushed.Tightclearancesat“B”preventssu