复杂载荷作用下管壳式换热器管板的应力和疲劳分析

《化工设备与管道》(,200120):,,,:;;;;:TQ050.3:A:1009-3281(2010)06-0014-05StressandFatigueAnalysisofTubesheetinTubularHeatExchangersSubjectedtoComplexLoadsCHENChao,LIYan-ming(SINOPEC,ShanghaiEngineeringCo.,Ltd.,Shanghai200120,China)Abstract:Exampledwithaheatexchanger,whichwasusedinengineeringpractice,subjectedtobothpressureandtemperaturecy-cles,thestressandfatigueanalysesforthisexchangerwerecarriedoutbyusingfiniteelementtechnology.Basedonthedistributionofthestresses,theinfluenceofcyclicpressureandtemperatureloadsonthetubesheetwasanalyzed.Keywords:tubularheatexchanger;fixedtubesheet;finiteelement;stressanalysis;fatigueanalysis:2010-06-25:(1978),,,,,,,GB151[1],,,,,,GB151JB4732[2]I,[3-7],[8-18],,[19],1184,585mm,80mm,00Cr19Ni10,9mm(356mm9mm)12ANSYS11.0,,,,SOLID90,SOL-《化工设备与管道》()(G)/MPa0.62.5(G)/MPa0.32.2/100100/-52006(G)/MPa0.3()0.11.7//60000/Tmin,in=-5Tmin,out=0Tmax,in=40Tmax,out=40Tmin,in=20Tmin,out=6Tmax,in=40Tmax,out=40/600006000033.1GB151JB4732,:(1)();(2)();(3)+();(4)(K=1.25);(5)(K=1.25);(6)(+);51201012,.《化工设备与管道》(7)(+);(8)+(+);(9)+(+);(10)+(+);(11)++(+),,+,,,3.23.2.1(+),3,12334,23124321S=1.95MPa1.5Smt=145.5MPa++S=83.92MPa3.0Smt=291MPa2S=7.818MPa1.5Smt=145.5MPa++S=79.65MPa1.5Smt=291MPa3S=76.28MPa1.5Smt=145.5MPa++S=145.4MPa3.0Smt=291MPa3.2.2(++),3,12356,35126347,,,61476《化工设备与管道》=103.6MPa3.0Smt=291MPa+2+S=83.52MPa3.0Smt=291MPa+3+S=99.13MPa3.0Smt=291MPa74/MPa//MPa/0.3(Tmin):-5;:00.1(Tmin):20;:60.3(Tmin):-5;:01.7(Tmin):20;:60.3(Tmax):40;:400.1(Tmax):40;:400.3(Tmax):40;:401.7(Tmax):40;:404,------,888:75.577MPa:Salt=EES2=20010319110375.5772=39.57MPaJB473295C-3:N=1011:60000/1011=0.00000061,5(1),,,,,;,,();,()(2)71201012,.《化工设备与管道》(),(3),,,,,(4),,,,,GB151JB4732(5),,,(6):,,,,,,,,[1]GB1511999,[S].[2]JB473295,[S].[3],,,.[J].,2009,38(7):23-27.[4],,.[J].,2009,26(8):27-31.[5],,.[J].,2004,35(9):54-57.[6],.[J].,2009,26(6):4-7.[7],,,.U[J].,2004,33(4):11-13.[8],,.[J].,2009,30(12):87-88.[9],.[J].,2004,21(1):11-13.[10],.[J].,1998,19(5):401-407.[11],,,.[J].,2006,43(2):11-15.[12],.[J].,1998,6(12):519-525.[13],,,.[J].2004,31(2):104-107.[14],,.SolidWorksU[J].,2010,10(3):776-779.[15],.[J].,2006,27(3):6-8.[16],,.[J].,2004,26(6):706-709.[17],.[J].,2007,28(1):50-53.[18],.[J].,2004,21(10):26-29.[19]SuWenxian,MaNing,SangZhifu,etal.InvestigationofFa-tigueStrengthofWeldedTube-to-TubesheetJoint[J].JournalofPressureVesselTechnology,2009,131/041205:1-5.(KSB),(KSB)KSBITURSpainS.A2010791000m2,Zarautz,75,,,750,,180m3,(KSB)FrankenthalHalle,,()81476