--1--CONTENTSⅠUSESANDSCOPEOFAPPLICATION……………………………………1ⅡPATTERN、STRUCTURALFEATUREOFPUMPS……………………1ⅢSLING、INSTALLATION、ADJUSTMENTANDTESTRUNOFPUMPS………6ⅣCOMMONFAILUREANDHANDINGMEASURE……………………22ⅤMAINTENANCEANDDISMOUNTINGOFPUMPS………………………28ⅥLISTOFQUICK-WEARPARTS……………………………………………36VIILISTOFSPECIALTOOLS………………………………………………38ATTENTION1.ThedirectionofmotormustkeepconsistentwitharrowontheFrontcasing.Beforetestingrunningthemotor,themotormustbeseparatedfrompump.TheshaftsofMotorandpumparestrictlyforbiddentorotatereversely;otherwisesomepartswillbedamaged.2.Beforeoperatingthepump,thepackingmustbeinstalled.3.Adoptmechanicalsealofpump,mustensurethattheshaftsealwatersupplies,itisstrictlyprohibitedwithoutrunningwater,ormechanicalsealwillbedamaged.4.Beforeoperationwemustaddoil(N32summerorN46winter)accordingtotheoillevelofoilgauge.Pumpisstrictlyforbiddentooperatewithoutlube;otherwisebearingswillbeburnedout.5.WhenInstallthecouplingorpulley,mustfirstintothepumpcouplingorpulleyandthenloadthemechanicalsealtoprotectthemechanicalsealfromtheimpactdamage,6.Whenequippingthebeltwheelofmotor,theshaftofmotorshouldmanufacturedinaccordingtodrawingsiftheshaftdiameterishigherthan65mmsothatthebeltwheeloperatingsafely.7.Pleasereadthistechnicalmanualcarefullybeforeinstallationandoperation.--2--ⅠUSESANDSCOPEOFAPPLICATIONTypeZJseriesSlurryPumpisanewenergy-savingcentrifugalpump.Theyareinnovativeinhydraulicdesigns,structuraldesignsandmaterialsofcastingsafterintegratingcon-genericproductsthroughouttheworld.Theyhavemanyfeatures:highefficiency,reasonabledesign,reliableoperation,longinservicetime,easymaintenance,andlowrunningcostsandsoon.TheZJseriespump’sleadtheirdomesticcounterpartsinvarioustechnicalperformances,withmostofthemapproachingtheadvancedworldlevel,andwidelyusedforhandlingabrasiveorcorrosiveslurriesinpower,metallurgical,mining,coal,aswellaschemicalindustries.Forexample,flushingashinpowerplantsandpumpingcoalslurryincoalpreparationplants.Theyaresuitableforhandlingabrasiveandcorrosivesolids-bearingslurrywithmaximumconcentrationsofwt.45%(ash)andwt.60%(ore).ⅡPATTERN、STRUCTURALFEATUREOFPUMPSTheTypeofZJseriesslurrypumpisdividedintotwocategories,onetypeisZJ,assingle-stagesingle-suctionhorizontalaxialsuctioncentrifugalslurrypump;AnothertypeisZJL,assingle-stagesingle-suctionverticalaxialinhalationcentrifugalslurrypump.--3--1.ZJStructuralfeatureandtypeofZJslurrypumps(1)ZJPumpStructureFeature①PumpHeadItisahorizontalcantileveredslurrydouble-casespump.Thepumpheadincludescases,impeller,andshaftseal.Double-casespumpcentrallysplitverticalsplitdirection.Dischargeportcanbepositionedat8differentpositionatanintervalof45°.TheoutsidecasesmadebyHT200orHT500-7,connectingwithbolts.Theinsidecases(volutecase,frontliner,backliner)madebyhigh-chromealloyorrubbermaterials.Impellerfrontandbackcoverplateswithbackvanestoreduceleakageandincreaseoperatinglife,impellerandshaftisfirmlyconnectedbyladder-shapedwithdisassemblyring,”O”rubberringisusedbetweenlinerandvolutecasinganditisveryconvenientandreliable.Therearethreekindsofshaftsealtype,expellershaftseal,packingshaftsealandmechanicalseal,seefig.1Expellershaftsealismadeofstuffingbox,expeller,lanternring,packing,packingglandandshaftsleeve,seefig.15Packingshaftsealismadeofstuffingbox,spacersleeves,lanternring,packing,packingglandandshaftsleeve,seefig.15a。Mechanicalsealismadeofstuffingbox,spacersleeves,mechanicalseal,gland--4--andshaftsleeve,seefig15b.②SupportThehorizontalsplit-casehasoillubricationandgreaselubrication.Oillubricationismainlycomposedofthebracketbody,thebracketcover,shaft,bearingbox,bearing,bearinggland,spacersleeve,nuts,oilseal,waterretainingplate,strippingringparts,seefig1.Themaindifferencebetweengreaselubricationbracketandoillubricationbracketisthatincreasedtheembeddedthroughcoverandoilcup,removethewatercoolingdevice,seefigure116a.ZJtypepumpstructureasshowninfigure1.。(1)ZJtypeModelandMeaning200ZJ–I–A60ImpellerDia.,cmTheNo.ofimpellervane,Ais5、Bis4、Cis3、Fis6、Gis7、His8.ThePumpStage,Ⅰasfirststage,Ⅱassecondstage;ZJtypeslurrypumpPumpOutletDia.,mm--5--2.ZJLPumpStructureCharacteristicsandModel(1)ZJLPumpStructureCharacteristicsZJLtypeslurrypumpismainlycomposedoftheimpellerandvolute,backplate,shaftsleeve,support,supportplate,shaft,bearing,bearingbodyparts,etc.Thematerialoftheimpellervoluteandbackplateishighchromealloy.Theimpellerandshaftconnectedbyscrewthread,thevoluteandsupport,bearingconnectedbybolted.Pumpshaftandmotoradoptcouplingtodirectdriveorbeltdrive.ThebearingsZJLpumpadoptgreaselubrication.Thisseriesofpumpisnoshaftseal.ZJLtypepumpstructureasshowninfigure2.ZJLtypeModelandMeaning80ZJL–36ImpellerDia.,cm;ZJL,VerticalSlurryPumpPumpOutletDia.,mm--6--ⅢSLING、INSTALLATION、ADJUSTMENTANDTESTRUNOFPUMPS1.SlingWhenslingingapackedpump,weoperateinaccordancewithmarksonthepackingcase.Thepackingcaseshallavoidvibratingviolently,over-inclining,landingonthebodywithpointedendsandbeingplacedupsidedown.Whenslinginganunpackedpump,weoperateaccordingasthefollowingrequirement.(1)Whenliftingthehorizontalpumpwithoutbaseorwithsinglybase,theliftgravityiso