化工原理课程设计列管式换热器院专年系业级学生姓名学生学号目录1前言..............................................................31.1氨气的性质........................................................................................................................31.1.1氨气的用途..............................................................................................................31.1.2合成氨技术.............................................................................................................31.2换热器的性质....................................................................................................................41.2.1换热器的分类与特点.............................................................................................42设计任务..........................................................52.1设计谌?...........................................................................................................................52.2设计要求............................................................................................................................53设计方案..........................................................63.1确定设计方案....................................................................................................................63.2换热器的选型.....................................................................................................................63.2.1列管式换热器.........................................................................................................63.2.2固定管板式换热器.................................................................................................73.2.3浮头式换热器.........................................................................................................73.3.3U型管式换热器......................................................................................................83.3.4填料函式换热器.....................................................................................................83.3换热器内冷热流体通道的选择...............................................