化工原理课程设计 1 目录 第一部分 设计概述 ······················································································ 2 一 、设计题目：.................................................................................................. 2 二 、工艺条件: .................................................................................................... 2 三 、设计内容...................................................................................................... 2 四、工艺流程图.................................................................................................... 2 第二部分 塔的工艺计算 ················································································ 4 一、查阅文献，整理有关物性数据.................................................................... 4 二、全塔物料衡算与操作方程............................................................................ 8 三、全塔效率的估算............................................................................................ 9 四、实际塔板数.................................................................................................. 10 五、精馏塔主题尺寸的计算.............................................................................. 11 1 精馏段与提馏段的汽液体积流量 1 1 2 塔径的计算 1 3 3 塔高的计算 1 7 4 塔板结构尺寸的确定 1 8 5 弓形降液管 1 8 6 开孔区面积计算 1 9 7 筛板的筛孔和开孔率 2 0 六、筛板的流体力学验算.................................................................................. 21 1 塔板压降 2 1 2 液面落差 2 1 七、塔板负荷性能图.......................................................................................... 23 1 精馏段塔板负荷性能图 2 3 2 提馏段塔板负荷性能图 2 6 八、精馏塔的主要附属设备......................
