I本科课程设计摘要本设计是关于固定管板式换热器的结构设计,主要进行了换热器的工艺计算、换热器的结构和强度设计。本设计的前半部分是工艺计算部分,按照GB150-2011以及GB151-2014等国家标准以及技术标准等根据给定的设计条件进行换热器的选型,校核传热系数,计算出实际换热面积。设计的后半部分主要是关于结构和强度的设计,根据已选定的换热器型式进行设备内部各零部件(如接管、定距管折流板、折流板、管箱等)的设计,包括:材料的选择、具体的尺寸、确定具体的位置、管板厚度计算等。本设计以本着安全可靠、经济性好、传热效率高以及保护环境为原则进行的设计,符合工厂中的实际应用。关于固定管板换热器设计的各个环节,本设计书中均有详细说明。关键词:固定管板;管壳式换热器;结构设计II固定管板式换热器设计AbstractThedesignisfixedwithrespecttothestructuraldesignofthetubeplateheatexchanger,mainlyfortheprocesstocalculateheatexchanger,heatexchangerstructureandstrengthdesign.Thefirsthalfofthisdesignispartofthecalculationprocess,inaccordancewithGB150-2011GB151-2014andothernationalstandardsandtechnicalstandardsinaccordancewithagivendesignconditionsoftheheatexchangerselection,checktheheattransfercoefficient,tocalculatetheactualheatarea.Thesecondhalfofthedesignismainlyonthestructureandstrengthofdesign,internalequipmentallpartshavebeenselectedaccordingtothetypeofheatexchanger(suchasreceivership,spacertubebaffles,baffles,pipeboxes,etc.)Designincluding:choiceofmaterials,specificdimensions,determinethespecificlocationofthetubeplatethicknesscalculation.Onallaspectsofthefixedtubesheetheatexchangerdesign,thedesignspecificationisdescribedindetail.KeyWords:fixedtubeplate;shellandtubeheatexchanger;StructuralDesignIII本科课程设计目录摘要..................................................................................................................ⅠAbstract................................................................................................................Ⅱ第1章设计任务、思想.......................................................................................11.1设计任务...................................................................................................11.2设计思想...................................................................................................1第2章换热器的工艺设计...................................................................................22.1换热器的工艺条件...................................................................................22.2估算设备尺寸...........................................................................................22.2.1计算传热管数NT............................................................................22.2.2计算壳程直径D.............................................................................3第3章换热器零部件的结构设计........................................................................43.1换热管.......................................................................................................43.1.1换热管的型号和尺寸.....................................................................43.1.2换热管的材料.................................................................................43.1.3换热管排列方式以及管心距.........................................................43.2折流板.......................................................................................................53.2.1折流板的主要几何参数...........................