SHS 03044-92(英文版)高速离心泵维护检修规程

TheChineseversionofstandardshasprecedencetotheirEnglishtranslationswhichareonlyforinternalreference.本英文版为内部资料，仅供参考，以中文版为准。MaintenanceandServiceProcedureforPetrochemicalEquipment–ChemicalEquipmentMaintenanceandServiceProcedureforHigh-speedCentrifugalPump(高速离心泵维护检修规程)SHS03044-92(ForTrialImplementation)PromulgatedbySINOPECSINOPECPublishingHouse1Contents1.General2.PeriodandContentofMaintenance3.MaintenanceandQualityStandard4.TrialRunningandAcceptance5.ServiceandTroubleshooting21.General1.1Subjectcontentandapplicablescope1.1.1SubjectcontentThisProcedurespecifiestheperiodandcontentofmaintenance,maintenanceandqualitystandard,trialrunningandacceptanceandserviceandtroubleshootingforhigh-speedcentrifugalpumps.1.1.2ApplicablescopeThisProcedureisonlyapplicabletothemaintenanceandserviceofTypeLMV/BMP-311,LMV-331andLMV-322high-speedcentrifugalpumps.1.2Referencedocumentsforcompilationa.SHS01002-92“ManagementSystemofLubricationofPetrochemicalEquipment”;b.SHS01003-92“VibrationStandardforRotatingPetrochemicalMachinery”;c.SHS01028-92“MaintenanceandServiceProcedureforVariableSpeedMotor”;d.SHS03059-92“MaintenanceandQualityStandardforGeneralPartsofChemicalEquipment”;e.Technicaldocumentssuppliedwiththeequipment;f.HGJ1023“MaintenanceandServiceProcedureforHigh-speedPumpsusedinChemicalPlant”.2.PeriodandContentofMaintenance2.1Periodofmaintenance(refertoTable1)Table1MonthCategoryofMaintenanceMinorMaintenanceMediumMaintenanceOverhaulPeriodofMaintenance61236Note:Theperiodofmaintenancemaybeadjustedappropriatelywithcompletemonitoringdevicesandapprovalofrelevantmanagement.2.2Contentofmaintenance2.2.1Minormaintenancea.Checkandcleanoilcircuit,coolingliquidpipeline,oilcoolerandheatexchangerforcycloneseparatedliquid;b.Replaceoilfilterandchangeoil.c.Checkoilseal;d.Aligncoupling.2.2.2Mediummaintenance3a.Contentsofminormaintenanceareincluded;b.Cleanthepumpchamber,diffuser,cycloneseparatorandsealliquidsystem;c.Checktheerosionofimpellerandinducer,checkforanycrackonthesurface;d.Repairtheleaksofmechanicalseal;e.Checkthedisplacementofhigh-speedshaft;f.Checkandcleanthesplineshaftandchangegrease.2.2.3Overhaula.Contentsofmediummaintenanceareincluded;b.Checkthewearoflow-speedshaft,intermediateshaftandbearing,ifnecessary,replacethem.c.Checkthewearofhigh-speedshaftjournalandbearingbush,ifnecessary,replacethem.d.Checkthewearofgear;e.Dynamicbalancingtestsshallbecarriedoutfortherepairedorreplacedimpeller,inducerandhigh-speedshaftassembly.f.Checkandrepairthelubricationoilpump;g.Disassemblethesealcavityandcheckthewearofpartsforeachsection.3MaintenanceandQualityStandard3.1Preparationbeforedismountinga.Checkthetechnicalandoperatingconditionsofequipmentandthemonitoringrecords,analyzethecausesoffailureandlocationandworkoutadetailedtechnicalschemeformaintenance;b.Getfamiliarwiththedesigndrawingsandtechnicaldocuments;c.Getreadythetools,measuringtoolsandclampingapparatusnecessaryformaintenance;d.Thereplacementpartsnecessaryformaintenanceshallconformtothedesignrequirements;e.Constructioncanbecommencedonlyaftertheprocessessuchasdeenergizing,emptyinganddisplacementarecompletedaccordingtoregulations,themaintenanceconditionsarereadyandthemaintenancesafetypermitsareobtained.f.Forunstatedmattersrelatedtothesafetyofmaintenanceoperation,relevantstipulationsof“ManagementSystemofSafetyinProductionofChinaChemicalandPetroleumCorporation”shallbeimplemented.3.2DismountingandCheck3.2.1Pumpa.Dismountthepipelinesofoilcircuit,sealliquidandcoolingsystemconnectedwiththe4pump;b.Removethenutofpumpcoverandliftthepump;c.Removethecoverplateofdiffuser,checkandcleanthediffuserandeverypartofthepumpbody;d.Removetheimpellernuts,thesettingnutsofinducerandsealbox,checktheimpeller,induceranddriveshaftforanydamageanddeformation.3.2.2Speed-upgearboxa.Disassemblethespeed-upgearbox,removethelow-speedshaft,intermediateshaftandbearing,andremovethegearoilpumpandlimitspring,cleanandcheckthem;b.Removethehigh-speedshaftandtheupperandlowerbearingbushes,checkthejournalandbearingbushforwearandthecorrectfittingclearance(refertoTable2);Table2mmClearanceTypeandbearingbushNormalclearanceMaximumallowablewearclearanceLMV-311LMV-331BMP-311Upperendbearingbush0.07—0.110.15Lowerendbearingbush0.07—0.110.15LMV-322Upperendbearingbush0.055—0.090.13Lowerendbearingbush0.07—0.110.15c.Thebearingbushshallbefreeofdefectssuchasablation,stickingandabrasiondamage,ThesurfaceroughnessofthejournalshallnotbegreaterthanRa0.20andthedepthofgroovemarkshallnotexceed0.01mm,otherwiseitshallbegroundorreplaced;d.Checkthewearofthethrustdiscandbearing.Therun-outoftheendfaceandradialcircleofthethrustdiscshallbe0.02mm.Fortheseriouslyerodedordefectivethrustpad,itshallbereplaced;e.Theerroroflinearityofthelow,mediumandhigh-speedshaftaxesshallbelessthan0.01mm;f.K7/h6shallbeadoptedforthefittingofhigh-speedshaftandimpeller.Theclearanceafterwornshallnotbegreaterthan0.03mm.Torquewrenchshallbeusedfortighteningthefasteningboltsofthebearingofhigh-speedshaft;g.Thejournalshallbeprecooledandthegearandrollingbearingshallbewarmedupwhenassemblingshaft,gearandrollingbeari