第Ⅱ尾氣冷凝器結(jié)構(gòu)改進(jìn)措施及大開孔有限元應(yīng)力分析.pdf

1、北京化工大學(xué)碩士學(xué)位論文第Ⅱ尾氣冷凝器結(jié)構(gòu)改進(jìn)措施及大開孔有限元應(yīng)力分析姓名：朱麗娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械工程指導(dǎo)教師：張秋翔周月生2002.5.15北京化工太學(xué)碩士論文TheStructuralImprovementofTailGasCondenserIIandFiniteElementStressAnalysisofLargerOpeningA。bstractI毯lgascondenserIIisamainproducinge

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3、nsionofabout200mmandpositivingatignmentmonitorfluidentranceSometimestherewereirregularcircumferentialcracksonheatexchangertubeinnerhouse，andtherewerealso，pittingcorrosiononthesurfaceoftubeplateForithadleakedinthatformfor

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5、tureoftailgascondenser玨撕analyzingitsleakagecauseThoseincludeselectingappropriatematerialtopreventintercrystallinecorrosion；enlargingthedimensionoffluid；installingerosioncontrolplatetopreventerosion；andusingthethintubepla

6、teheatexchangerteducecost。撕sarticlemakesstructuraldesignandintensitycheckingoftheequipmentaccordingloGBl511999tubularheatexchangerandGBl501998steelpressurevesselsThedesignofthintubeplateismainlyaccordingtothethintubeplat

7、etheoryreferencingthedesignmethodonGBl511999oftubeplatewhichdoesn’talsoUSeinaflangeandmakesintensitycheckingofit。inthesametime髓efiniteelementmethodtomakestressanalysisofbigopenporeofconnectiontubeForsettlingtheleakagepro

8、blemoftailgalcondenserII，theteehnicistsofourcompanionhadbeenbiddingforsearchingitscauseandfinallysealedthisproblemthroughalargenumberoftestsThisatticlegeneralizesthetechnicalmodificationoftailgascondenserIIontheoryconnec