目录1换热器的概述......................................................................................................................11.1换热器的概述...........................................................................................................11.2换热器的基本要求...................................................................................................11.2.1换热器管子排列...........................................................................................11.2.2制造工艺...........................................................................................................21.2.3质量检验...........................................................................................................21.3换热器的分类[1]...........................................................................................................21.3.1浮头换热器简介...........................................................................................31.4换热器的工作方式[10]...................................................................................................31.4.1换热器的防腐蚀...........................................................................................41.4.2换热器的材料[3]...............................................................................................41.5换热器的安装[11]...........................................................................................................42热力计算..............................................................................................................................62.1设计参数..................................................................................................................62.1.1计算热负荷及重油的出口温度...............................................................................62.1.2计算两流体（暂按单壳程，多管程进行计算逆流时）的平均温差...................62.2计算传热面积[2]...........................................................................................................62.3换热管规格..............................................................................................................72.3壳体尺寸及总管数[5]...................................................................................................72.4换热器校核[4]..............................................................................................................82.4.1核算压力降.......................................................................................................82.4.2总传热系数K的计算.......................................................................................93结构计算和强度校核[14]...........................................................................................................123.1设计计算条件...........................................................................................................123.2浮头式换热器筒体计算...........................................................................................123.2.1计算条件...........................................................................................................123.2.2厚度及重量计算...............................................................................................123.2.3压力试验时应力校核[6]......................................................................
