化工分离苯甲苯精馏系统设计（含流程图和装配图）

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化工原理课程设计说明书 1 36 第页共页 目录 ..................................................................................................................... 1 化工课程设计任务书 ......................................................................................................... 2 第一章再沸器的工艺设计 1.1 ............................................................................................................. 2 设计方案的论述 1.2 ..................................................................................................... 3 设计条件及物性参数 1.3 ................................................................................................................. 3 估算设备尺寸 1.4 ............................................................................................................. 4 传热系数的校核 1.5 ............................................................................................................... 8 循环流量的校核 1.6 ............................................................................................................. 13 工艺设计汇总表 ............................................................................................. 14 第二章再沸器的结构及强度设计 2.1 ..................................................................................... 14 壳体、管箱壳体和封头的设计 2.2 ................................................................................................................. 19 进出口的设计 2.3 ................................................................................................................................. 21 管板 2.4 ............................................................................................................................. 22 换热管 2.5 ..................................................................................................................... 23 法兰的选定 2.6 ......................................................................................................... 26 管子与管板的连接 2.7 ............................................................................................................................. 26 膨胀节 2.8 ........................................................................................................................... 29 折流板 2.9 ............................................................................................................... 30 拉杆、定距管 2.10 ........................................................................................................... 31 耳式支座的选择 2.11 ............................................................................................................... 31 排气、排液管 2.12 ....................................................................................................... 32 主要零部件汇总表 ................................................................................................................................. 33 心得体会 ....................................................................................................................................... 34 参考文献