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1、摘要换热器是石油、化工、动力食品以及其它许多工业部门的通用设备，在生产中占有重要地位。在化工生产中，换热器可以作为加热器、冷却器、冷凝器、蒸发器和再沸器，应用十分广泛。换热器种类很多，但根据冷热流体热量交换的原理和方式，基本可分三大类，即间壁式、混合式和蓄热式。间壁式换热器中的U型管式换热器在化工生产中较为常用。本设计是关于U型管换热器的设计，用冷却水冷却低压蒸汽。根据最新的技术标准，结合传统的设计方法，经过结构设计、强度校核以及换热器的制造、检验、安装、维修等步骤，完成了该设计。其中结构设计主要包括管箱、圆筒、管板、折流板
2、、防冲挡板、旁路挡板、接管和法兰、容器法兰、支座等的设计；强度校核包括筒体、封头、垫片、管箱短节、开孔补强、法兰、管板的校核。关键词：换热器U型管设计校核29AbstractTheabstractheatinterchangeristhepetroleum,chemical,powerfoodaswellasothermanyindustrysector'sgeneralpurposeequipment,holdstheimportantstatusintheproduction.Inthechemicalproductio
3、n,theheatinterchangermayastheheater,thechiller,thecondenser,theevaporatorandboiling,theapplicationreallyforisagainwidespread.Heatinterchangertypeverymany,butactsaccordingtothecoldheatflowbodyinterchangeofheattheprincipleandtheway,isbasicmaydividethreebigkinds,namel
4、ynextdoortype,mixedstyleandregenerationtype.InthenextdoortypeheatinterchangerUtubularheatexchangeriscommonlyusedinthechemicalproduction.ThisdesignisabouttheUtubeheatinterchangerdesign,coolsthelowpressuresteamwiththecoolingwater.Accordingtothenewestindustrystandard,
5、theuniontraditionsupposesthemethod,processstepandsoonstructuraldesign,intensityexamination,moreoveralsoinvolvedtheheatinterchangermanufacture,theexamination,theinstallment,theservice,hascompletedthisdesign.Structuraldesignmainlyincludesthetubebox,thecylinder,thetub
6、eplate,thebaffle,guardsagainstflushesthebackplate,thebypassbackplate,takesovercontrolwiththeflange,thevesselflange,thesupportandsoonthedesign;Theintensityexaminationincludingthetubebody,seals,thefillingpiece,thetubeboxshortfestival,opensKongBuqiang,theflange,thetub
7、eplate,thesaddletypesupportexamination.Keyword:HeatinterchangerUtubedesignexamination29目录摘IAbstractII目录III绪论1设计任务书3第一章壳程圆筒计算41.1计算条件41.2厚度及重量计算41.3压力实验时应力校核51.4压力及应力计算5第二章前端管箱筒体计算62.1计算条件62.2厚度及重量计算62.3压力试验时应力校核62.4压力及应力计算7第三章前端管箱封头计算73.1计算条件73.2厚度及重量计算83.3压力计算8第四章
8、后端管箱封头计算94.1计算条件94.2厚度及重量计算94.3压力计算10第五章筒体法兰计算105.1设计条件105.2螺栓受力计算115.3力矩计算125.4螺栓间距校核125.5形状常数确定135.6法兰应力校核13第六章前端管箱法兰计算146.1设计条件146.2螺栓受力计算156.
