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1、内蒙古科技大学硕士学位论文（4）真实工作情况下，结构改进后的W型辐射管管体壁面的温度分布更加均匀。由结构改进后得到的模拟分析结果可以得出结论，在W型辐射管同一侧的两弯头处增添小管的结构改进方法是可行的。关键词：燃气辐射管，温度分布，结构改善，ANSYS有限元分析内蒙古科技大学硕士学位论文AbstractGas-firedradianttubeheatingdeviceintheapplicationofindustrialkilnwhichcanreducethecostofkilnofbasicfacilitiesandoperations;Radianttube
2、istheindispensablemainheatingequipmentproductionline,canprolongtheservicelifeofheatingfurnace;Gasfluegasgeneratedincombustionreactionintheradiationtubeisnotcontactwithheatedworkpiece,avoidedbyheatingtheworkpieceoxidationburninglossand,improvethequalityoftheworkpiece.Therefore,gas-fired
3、radianttubeinmetalheattreatment,andwidelyusedinthefieldofindustrialdrying.However,comparedwithforeigngas-firedradianttubeheatingequipment,radiationdomesticpipethereisacommonproblem,alongthelengthofthegasradiationcontrolthedirectionoftheunevendistributionoftemperature.Temperaturediffere
4、ncecausedbythedeformationandstressorlocaloverheatingwillcauseradiationtubedamage,reducetheservicelifeoftheradianttube.Therefore,howtoimprovetheradiationtubebodylengthdirectiontheuniformityoftemperaturedistributionisofcrucialimportance.Firstintroducesthebasicsituationofthegas-firedradia
5、nttube,includingthepurposeofthegas-firedradianttube,typesandadvantages,atthesametime,gasradiationtubedevelopmentpresentsituationathomeandabroadtodoabriefoverview.Secondlyforthefiniteelementmethodandfiniteelementanalysisisappliedtothetheoreticalknowledge,andappliedtothefiniteelementanal
6、ysisoftypes(structuralstaticanalysis,thermalstressanalysis,fluidmechanicsanalysisandtheanalysisofthefluid-structurecoupling)madeasimpleintroduction.Thenaccordingtothespecificparametersofw-typeradianttubehascarriedonthefiniteelementanalysis,obtained内蒙古科技大学硕士学位论文thefollowingresults:(1)un
7、dertheconditionofradiationtubebodyintheweightofstressandstraindistributionandthetotaldeformation.（1）Radiationtubebodyundertheconditionoftheweightofthestressandstraindistributionandtotaldeformation.（2）Radiationtubebodyundertheconditionofhightemperaturethermalstressandstrainandthetotal
