化工原理课程设计 1 目 录 第1 章 设计方案的确定 ................................................................................................ 2 1 .1 精馏操作 ................................................................................................................. 2 1 .2 工艺流程的确定 ..................................................................................................... 2 1 .3 操作条件的确定 .................................................................................................... 3 1 .3 .1 操作压力的确定 ............................................................................................... 3 1 .3 .2 进料的热状况 ................................................................................................... 4 1 .3 .3 精馏塔加热与冷却介质的确定 ...................................................................... 4 1 .3 .4 热能的利用情况 ............................................................................................... 4 第2 章 浮阀精馏塔的工艺设计 .................................................................................... 5 2 .1 物料衡算 ................................................................................................................. 5 2 .2 实际塔板数的计算 ................................................................................................. 6 2 .2 .1 回流比的选择 ................................................................................................ 6 2 .2 .2 理论塔板数和实际塔板数的确定 .................................................................. 8 2 .2 .3 工艺条件物性数据 .......................................................................................... 9 2 .3 浮阀塔主要尺寸的设计计算 .............................................................................. 1 1 2 .3 .1 塔的有效高度和板间距的初选 ......................................................
