LC型泵安装使用说明书-中英文

LCTypeLCPumpInstallationandOperationManualCautionPleasereadthismanualcarefullyandunderstandallthecontentsinitforcorrectinstallation,operationandmaintenance.Thismanualshouldbekeptinthehandsoftheactualendusers.Thetechnicalspecificationofthisproductmaychangewithoutnotice.525Xiangfan525PumpIndustryCo.,Ltd.23Contents1.Scopeofapplication2TheStructureofthepump.3Unpackingandchecking4Installationofthepump5Startupandoperationofthepump6Maintenanceofthepump7Disassembling8Assembling9Possibletroubleshootingandsolutions10Spareparts41.ScopeofapplicationLCLCBJSHSTheseriesofLC,LC-BpumpismanufacturedwiththemanufacturinglicensetechnologyintroducedfromJ.ScompanyFranceandthecastingmaterialusedforcorrosive,wear-resistantpumptechnologyintroducedfromH.ScompanyFrancebyourcompany.Thepumpisasinglestagesinglesuctioncantileverhorizontalcentrifugalpump.Anditisdesignedfortransferringmediumcontainingsolidsinaccordancewiththemultiphasechanneltheoryandpracticalexperience.Itisapplicabletothefertilizer,chemical,wastewaterprocessing,food,papermaking,sugarrefinery,mining,alumnaandotherindustries.:Thedesignationofpumptypeisexplainedasfollow:LC50/210ExternaldiameterofimpellerDiameterofdischargeopeningSinglestagesinglesuctioncantilevercentrifugalpump2.ThestructureofthepumpLCLCB1234567812Thepumpmainlyconsistsofcasing,cover,impeller,support,shaft,shaftsealing,impellerbolts,bearingbox.SeeingFig.1,Fig.2.DF2TLC50/210T3Thematerialofthewettedpartsmayadoptwithvariantcorrosive,wearresistantmaterialsaccordingtothemedium’sdifference.WhenthewettedpartsadoptwiththeDF2typematerials,therearewearplatesdesignedbetweenimpellerandcover.Andthesuctionflangesanddischargeflangeallareactivity.Thecasingisjointedwiththesupportbythepressedblock.SeeingFig.3LCLCBTheadjustableboltscanadjusttheclearanceofLCpumpbetweenimpellerandcover.TherotatingpartoftheLC-Bpumpisfixedonthesupportdirectly,anditsclearanceisimmobile.5Fig11Casing2impellerbolt3impeller4cover5support6shaftseal7shaft8bearingbox9fixedboltsofbearingbox10axialadjustableboltFig21Casing2impellerbolt3impeller4cover5shaftseal6support7shaft6Fig31Casing2impellerbolt3impeller4wearplate5setplate6cover7GPAmechanicalseal8adjustablecircularnut9support10shaft11bearingbox12axialadjustablebolt13fixedboltofthebearingbox2.1Hydraulicpowerpart2.1.15Theimpellerisdesignedasclosedtypewidechannelimpellerinfavorofthemedium’spassingwhichcontainsofsolid.Therearenotopodiumsontheimpeller.Thefrontnotopodiumpreventsthemediumreflowingtothesuction,andtherearnotopodiummayequilibrateaxialforceandreducetheaxialleakagepresstoimprovethesealing’sreliabilityandlife.Theimpelleradoptsconefitandisfixedwithimpellerboltsontheshaft.LC2~3Theclearancebetweenimpellerandcover(wearplate)isadjustablethroughscrewingtheadjustableboltsfittedonthesupport.Thecontrolledrangeclearanceshouldbe2~3mm.2.1.2Theworkingroomofthepumpconsistsofcasingandcover(wearplate).Thereareaxialsuctionandtangentialdischargeonthecasing.2.2ThesupportLC7ThesupportoftypeLCpumpismadeofcastiron.Itisusedtosupportingthecasingandthebearingbox.LCBTheLC-Bpump’sbearingboxandsupportareinone,soitiscalledthesupportforshort.2.3ThebearingboxLC2Thebearingboxhastherollingbearingtobeartheshaft’sredialforceandaxialforce.TheLCpumphastwosinglerowendiocentricthrustballbearingsbesidethecouplingtobearaxialforceandredialforcebesidethecasing,thereisasinglerowendiocentriccylinderrollerbearingtobearredialforce.Thereareslingermadeofneoprenebesidethepumpandinfrontofbearingglandtopreventtheformerbearing.LCBThereareendiocentricballbearingsbackandforthofLC-Btypepumptobeartheaxialforceandredialforce.2.4Theshaftsealingtype:stuffingseal,mechanicalseal(providebytheorder)2.4.1Thestuffingseal(seeingFig4)Po80Therearestuffingsealcavityandcoolingjacketonthepumpcover.Theshafthasshaftsleeveonit.ThestuffingisbraidingfilledwithTeflon.Laysealcagebetweenthesecondandthethirdcircleandinjectcleanwatertolubricateandwashthestuffing,counteractpartsofpressureinshaftsealingchannel.Ontherearofthestuffingthereisstuffingglandtocontrolthestuffing’scompactionandtheleakage.Besuretokeepinmindthatnocompactthestuffingglandtootightly.Inaddition,injectcoolingwaterintothecoolingjackettoincreasethesealing’slifewhenthetemperatureofmediumistoohigh.2.4.2GPA5GPAmechanicalseal(seeingFig5)LC/TGPAThesealingtypeofhighwearresistantpumpisspecialdiscspringsinglefacemechanicalseal.Itconsistsofstaticringanddynamicring.Thedynamicringisloadedontheshaft,usingscrewedconnectiontocontrolthecompactiontothestaticring.Thestaticringisfixedonthefaceofpumpcover.Thereiswashingpipeonthestaticringtohelpwashingthesealingface.Thissealing’sstructureisreliable;convenienceofservicingandthediscspringmaybenotstopped.Itisspeciallyusedfortransferringmediumcontaininghighcontentsolids.2.4.368CoversealcagepackingstuffingglandFig4P1—waterpressureofthepackinglubricatingP0—pressureinthesealingroomP2—coolingwaterpressureinsealingroomjacketSealingroomjacketcoolingdischargepipePackinglubricatingsuctionpipeSealingroomjacketcoolingsuctionpipeInternaldoublefacemechanicalseal(seeingFig6)SiCSiCThedynamicringandthestat