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1、北方工業(yè)大學(xué)碩士學(xué)位論文轉(zhuǎn)爐三點(diǎn)支承有限元仿真姓名:馮東峰申請學(xué)位級別:碩士專業(yè):機(jī)械電子工程指導(dǎo)教師:吳晚云20060520I£方:j==韭文學(xué)碩士學(xué)位論文AnalysisORThreepointSphereBraceofConverterbyFiniteElementMethodAbstractThistopicisoneofresearchcontentswhich150tconverterdesignofSomesteelmil
2、lincludesThreepointspherebraceisthejunctiondeviceofthecolaverterfurnaceshellandloopItplaysallimportantroleduringtheprocessofConverterBesidesfixingthefurnacebodysturdilyinthecircle,italsocarltransfertheconverterloadsafely
3、totheloopandpermitthefurnacebodytoexpandorcontractfreelyintheradialandaxialdirectionHowever,inthesteelmakingprocess,theworkingconditionofthreepointspherebraceisextremelybadNotonlyitmustwithstandgravitycomingfromthefumace
4、shellandthemoltensteel,butalsoitmustreceivetheheatconvectioninfluence鑫swellastheimpactloadofconverterintheprocess,SOitiseasytobedestroyedAccordingtothedestroyingreasonofthree—pointspherebrace,thispaperevaluatesamultiphys
5、icalfieldthesisforkeycomponentsofitusinglargefiniteelementanalyzingsoftANSYSThedevelopmentworkinthearticleincludes:(1)Settingoutfromthetemperatureenvironmentofthreepointspherebraceca//ffthermodyr冶micsanalysistoundersides
6、pheresurfaceseatandunderspheresurfacepadHavingconfirmedthetemperaturedistributionofmodel,providingtemperaturedistributionresultsforthermodynamicsandstresscouplingfieldanalysis;(2)tocarrythecontactanalysisonkeycomponentso
7、fthree—pointspherebrace,whichconsistofundersidespheresurfaceseatandunderspheresurfacepadFoundouttheunreasonablestructurefromthestresssituation,ProposedtheimprovementprogramThestressconcentrationreducesobviouslyafterthean
8、alysisisrecarriedHavingachievedtheanticipatedeffect;(3)ConsideringthemodalityanalysisofkeycomponentofthreepointspherebracetodeterminethenaturalfrequencyandthevibrationformofthestructureTal(ingtheessentialmeasuretoavoidno
9、nessentiallossesasaresultofresonancefactorintheuseprocess;(4)Carryontheharmonyresponseanalysislokeycomponentofthreepointspherebracetocalculateoutthecorrespondingvalueofthestructureunderseveralkindsoffrequenciesfunctionsa
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