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关于哈热电厂烟气加热器联接轴断裂原因分析
Title:AnalysisoftheCausesofBreakageofCouplingShaftintheFlueGasHeaterofHarePowerPlant
Abstract:
ThecouplingshaftisanintegralcomponentofthefluegasheaterintheHarePowerPlant.Itsrupturecanleadtoseveredisruptionsintheoperationalefficiencyandoverallperformanceofthepowerplant.Thispaperaimstoanalyzethepotentialcausesofcouplingshaftbreakageinthefluegasheater,andproposemeasurestomitigatesuchfailures.Throughacomprehensiveexaminationofthedesign,manufacturing,andoperationalaspectsoftheheater,thestudyidentifiespotentialfactorscontributingtothecouplingshaftfailure.
1.Introduction
Thecouplingshaftisacriticalcomponentofthefluegasheater,responsibleforthetransmissionoftorquebetweenthemotorandthefanimpeller.Itsfailurecanleadtocostlydowntime,repairexpenses,anddecreasedheatrecoveryefficiency.Therefore,understandingthecausesofcouplingshaftbreakageisessentialforefficientoperationandmaintenanceoftheHarePowerPlant.
2.LiteratureReview
Intheliteraturereview,previousstudiesonthecausesofcouplingshaftfailureandrelatedtopicswereexamined.Thereviewhighlightskeyfactorssuchasmaterialselection,designflaws,manufacturingprocesses,cyclicloading,andoperationalconditionsthatcancontributetocouplingshaftbreakage.Thesefactorsactindividuallyorincombination,creatingstressconcentrationpointsthatleadtofailure.
3.AnalysisofPotentialCauses
3.1MaterialSelection:Inadequatematerialproperties,suchaslowtensilestrength,canweakenthecouplingshaftandmakeitsusceptibletorupture.Athoroughanalysisofthematerialproperties,includingcomposition,mechanicalproperties,andmicrostructure,isnecessary.
3.2DesignFlaws:Designflaws,suchasimpropercouplingshaftgeometry,inadequateshaftdiameter,orinsufficientreinforcementdesign,canamplifystressconcentrations,leadingtoprematurefailure.Finiteelementanalysisandstresscalculationsshouldbeconductedtoidentifypotentialdesignweaknesses.
3.3ManufacturingProcesses:Poormanufacturingprocesses,includinginadequateheattreatment,improperforging,orinsufficientinspectionprocedures,canintroducein