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1、设备制造质量检验规程SteamTurbines1、SGSRefNo.:19Rev.:0Page:lof8INSPECTIONGIDELINESSTEAMTURBINEDate:19/03/041NSPECTloNGUIDELINESSTEAMTURBINEOForApprovall9032022J.C.BrottonB.TremainB.TremainJune2022Rev.DescriptionDatePreparedCheckedApprovedDateSGSRefNo.:19Rev.:0Page:2of8INSPECTI0NGUIDELINESSTEAMTURBlNEDate:19/03
2、/04CON2、TENTS1PURPOSE2SCOPE3PROCEDURE4DOCUMENTS5INSPECTIONPROCESS6SHIPPING7STEAMTURBINEDATAD0SSIER8INSPECTI0NCHECK1.ISTSGSRefNo.:19Rev.:0Page:3of8INSPECTI0NGUIDELINESSTEAMTURBlNEDate:19/03/041.0PURPOSEThisinstructioncoverstheinspection,testandverificationactivitiesrequiredtovalidatet3、hesupply,manuf
3、actureandtestofaSteamTurbineforgeneraluse.2.0SCOPEThisinstructioncoversallnecessarystagesintheproductionofaSteamTurbinefromtheexaminationofcertificationfromprocurementsourcestothefinalinspection,preservationandpackingtodespatchtosite.Althoughthe4methodologyincompilingthisinstructionistosystematicall
4、yprogressthroughIheconstructionofatypicalSteamTurbine.ExperiencedJnspectorsmayinterprettheintentoftheinstructiontoaccommodatelocalornovelpracticesortoutilisetheinstructionforaone-off,oralternativedesignoftur5、bine.Thedesignhavingbeenapprovedbytheclient.AnySuchvariationsshouldbenotedontheinspectorsre
5、port.3.0PROCEDURES.1GENERALThisinstructiontogetherwiththeassociatedchecksheetmaybeusedonanycontractororder.ltisintendedtoactasaguidetotheinspectorinthecourseofthe6、inspectionprogramme.AnypartofthedocumentmaybeinvokedandthesectionstobeusedandthelevelofInspectionrequiredwillbeasspecifiedonthechecklist
6、.AIItestsandinspectionswillbecarriedoutagainsttheapproveddrawings,purchaseorderspecifications,purchasersorcompanystandards7、,andwithinthepracticesandrulesofthecountrstateorprovinceandanygovernmentdecrees,laws,ordinanceorregulationasmayapply.lfanyconflictorcontradictionsshouldbeapparentinanyoftheabov
7、ethenthemoreOnerousrequirementwillapplyunlessthepurchaserorclientdirectsOtherwis8、einwriting.3.2REFERENCEDOCUMENTSApplicablecodesandspecifications.Designcode(tobestatedoninspectionreport)PurchaseorderspecificationPurchasersstandardsApproveddrawingsSGScompanyStandardsAppIicabIecodesandstandards(sampl
8、eonly)API616,612JISB81024.0DOCUMENTSTOBERECEIVED9、/AVAILABLEATINSPECTIONPurchaseOrderorContractinspectionandTestPIanDatasheetSub-assemblyClrawingsMateriaItestCertificatesSGSRefNo.:19Rev.:0Page:4of8INSPECTIONGIDELINESSTEAMTURBINEDate:190304WeldproceduresandProcedureQualificationRecordsListofqualified
9、weldersorweldingope10、ratorsWeldersqualificationsNDEprocedures,(appropriatetomaterialofconstruction)ListofqualifiedNDEoperators/inspectorsNDE/inspectorsqualificationsHydrostatictestingprocedurepreparationandpaintingprocedurePreservationzpackingandshippingproceduresupplylist(packinglist)5.0INSPECTION
10、11、PR0CESS5.1MATERIAL5.1.1REVIEWOFCERTlFICATIONOnginaIorauthenticatedcopiesofcertificatesshouldbeavailableatthemanufacturerspremises.Theseshouldbeexaminedforcompliancewithspecificationsandwhereappropriate,drawings:ThereviewwillincludechecksonManufacturersnameandIoc12、 ationCertificateNoMaterialSpeci
11、ficationHeatorcastNoMakersNoorPlateNoChemicalcompositionMechanicalpropertiesHeattreatedconditionNDEappliedandresultsSurfacefinish5.1.2VISUALANDDIMENSIONALVERIFICATIONMateriaIidentificationoncertificatesagainstproductmarkings.Material13、 suppliedagainstdrawing,materiallistandspecificationasappropriat
12、e.Visualanddimensionalcompliancewithspecification.5.1.3ADDITIONAL/SPECIALREQUIREMENTSMayapplyonspecialcomponents.Checktoensurespecificationcontractrequirementshavebeenmet.WitnessNDEexaminationsasnecessary.5.14、1.4REPORTINGReportingonthematerialchecksshouldinclude:Conformationofsatisfactorydocumentre
13、viewRecordofendorsementofcertificationreviewed/witnessedRecordofallnon-conformitiesRecordofanytestswitnessedandtheresult5.2STEAMTURBINEMANUFACTURESGSRefNo.:19Rev.:0Page:5of815、INSPECTIONGuidelinessteamTURBINEDate:190304Afterclearanceoftheabovepointstothesatisfactionoftheinspector,thefabricatorwillpr
14、oceedwiththemanufactureofthesubassembliesandcomponentsfortheSteamTurbine.5.2.!FABRICATIONINSPECTIONFollowingthecompletionofweldingandmachin16ingoperationstheturbinepartswillbeInspectedasrequiredbythespecificationorcontract.TheinspectionwillconsistoVisualinspectionfordamageDimensionalchecktodrawingre
15、quirementInspectionofpartsforcleanlinessVisualexaminationofweldedonconnectionsReviewofwelderqualifi17、cationsReviewofweldprocedurerecordConfirmationofsatisfactoryNDEProperdocumentationofthematerialsusedExamination/inspectionofintegralpartssuchasreductiongears5.2.2HYDROSTATICTESTSTheturbineandotherpr
16、essurecontainingpartswillbehydrostaticallytested.Themainitemsbeing18、:TurbinecasingSteamChestEmergencystopvalvesGovernorVaIvesTheinspectormustverifythatthecorrecttestpressurehasbeenappliedtotherelevantpartsdependingonspecificationrequirements.5.2.3ROTORBALANCETESTWhenrequiredtherotorshatassemblywith
17、thenecessaryhalfkeyswillbesu19、bjectedtoaDynamicBalanceCheckThecheckmaybesubjecttowitnessorreviewasdefinedonthespecification.5.2.4OVERSPEEDTESTTherotorshaftassemblywillbesubmittedtoanoverspeedtest,whenrequiredbytheContractthetestwillbewitnessedbytheinspectorandtheresultspassedtothecli20、ent.5.2.5CLE
18、ARANCECHECKSAftercompletionoffabricationtherequiredclearanceswillbecheckedinaccordancewiththespecificationrequirementinparticulartheareastobeexaminedare:RadialclearancebetweenrotorandcasingAxialclearancebetweentherotorbladesandstationarypoints5.2.6MEC21、HANICALRUNNINGTESTManyturbinesaresubjectedtoam
19、echanicalrunningtest.WhererequiredbythecontractOrpurchaseorderthefollowingitemswillbeCheckediSteamcondition(temperature,flowrate)Lubricatingoilcondition(viscosittemperature,flow)SGSRefNo.:19Rev.:0Page:6of8INSPECTI0NGUIDEL22、INESSTEAMTURBINEDate:19/03/04Coolingwatercondition(temperaturepressure,flow)
20、CriticalspeedBearingtemperatureVibrationSynchronousSpeedzBIadepassingetcOperationofSentinelValveOperationoftripandthrottlevalveHandtripoperationGovernoroilconditiontemperature/pressureNoiselev23、el5.2.7GOVERNORTESTWhenrequiredbythecode,contractororderthegovernortestwillbewitnessed.lnparticularthefol
21、lowingcharacteristicsareconsideredtobeimportant:Operationofoverspeedtripemergencysystemusuallybyaconsecutive3timetestFluctuationoftheGovernoratratedspeedGo24、vernorrange5.2.8PERFORMANCETESTWhenaperformancetestiswitnessedthefollowingaspectsshouldbemonitored:SatisfactorycompletionofprevioustestsPowerO
22、utputThermalEfficiency5.2.9FINALVISUALEXAMINATIONAftercompletionofalltestingavisualexaminationincludingapartialstripdownof25 、theunitisusuallyrequiredbytheSpecificationTheparticularareasofinterestareJournalbearingpodsThrustbearingpodsRotorshaftwiththrustcollarShaftsealringsRotorbladesToothcontacting
23、eartrains5.3NAMEPLATEContentstobecheckedinaccordancewiththeapproveddrawingsandsp26 、ecificationsandstamped/markedinaccordancetoclientsrequirements.5.4PAINTINGCOATINGINSPECTIONSurfacepreparationforpaintingwillbecheckedforthefollowingattributesaccordingtothespecification:CleaningmethodBIastingzScrapin
24、gandwirebrushingPreparationGradeFreedomfromweldspatt27er,blowholesandotherdefects.HumidityandsteeltemperaturestobecheckedpriortopaintingPaintmanufactures,typandcolourofpainttocheckedagainstClientsrequirementsDryfilmpaintthicknesstobecheckedaccordingtospecification.SGSRefNo.:19Rev.:0Page:7of8INSPECTI
25、ONGuidelinesste28、AMTURBINEDate:19/03/04Surfaceconditiontobefreefrompin-holes,runs,damageorotherdiscontinuity5.5SPAREPARTSzLOOSEITEMSANDACCESSORIESSpareparts,looseitemsandaccessorieswillbecheckedvisuallyandfordimensionsmateriaIs7Workmanshipandquantityaccordingtopurchaseorderspecifica29、tiontestmarks
26、andtagswillbecheckedforcorrectidentification.5.6REP0RTANDRELEASE5.6.1REPORTINGAfinalreportsummarisingtheactivitiescarriedoutwillbeissuedinaccordancewiththecontractrequirementsandcirculatedwithinthetimelimitslaiddowninthecontract.Thereportwillbein30、aformatapprovedbytheclientandmustclearlyindicatethe
27、finalacceptanceorrejectionofthesteamturbine.5.6.2RELEASENOTEWhererequiredbythecontractareleasedocumentwillbeissuedtothemanufacturerwhenthesteamturbinehasbeenfinallyaccepted.6.0SHIPPING6.1PREPARATIONANDpacking?31、hefollowingpointsmustbechecked:AIIexteriormachinedsurfacesmustbecoatedwithrustpreventati
28、veAllinternalsurfaceswhicharesusceptibletocorrosionmustbecoatedwithrustpreventativeAllflangedopeningsshouldbefittedwithmetalprotectorsinaccordancewiththespecificationAllt32、hreadedconnectionsmustbeprovidedwithsteelplugsCheckmanualsandinstructionsareincludedasthespecificationrequirementsPackingstylea
29、ndsuitabilityforoverseasshipmentShippingmarksarecorrectPre-assembledsystemsaremarkedasrequiredbythespecification?.OSTEAMTURBINESDATAD33、OSSIERThefollowingfinaldocumentswillbereviewedandendorsedasnecessary.ManufacturersdatareportsMaterialCertificationDimensionaIrecordNDEreportsHydrostatictestreportsRotorbalancereportclearancecheckreportRun-testreportsPerformancetestFinalinspectionreportMarkingsPackingIistSparepartsSGSRefNo.:19Rev.:0Page:8of8INSPECTI0NGIDELINESSTEAMTURBINEDate:19/03/048.0INSPECTION
