文档介绍：淮阴工　学院
课程设计说明书
作　者：
学号：
系 (院）:
专　业：
题目:
苯－甲苯筛板精馏塔的设计
指导者：　　
２0１0
年
6
月
化工原理课程设计说明书中文摘要
精馏是利用混合液中组分挥发度的差异,实现组分高纯度分离的多级蒸馏操作，。
塔设备是能够实现蒸馏的气液传质设备,广泛应用于化工、石油化工、石油等工业中，其结构形式基本上可以分为板式塔和填料塔两大类。
我,但还是一个发展中的国家,摆在我们石油工作者面前的任务是繁重的。因此必须坚持独立自主、自力更生,革新挖潜,全面提高，综合利用,大搞化工原料，赶超世界先进水平.
关键词：精馏塔塔板　苯-甲苯塔板负荷
淮阴　工　学院
化工原　理　课　程　　设　计任　务　书
专业：化学工程与工艺
班级：　　
姓名：　　
学号：　
设计日期：　2010 年　６月 21 　日　至 201０年　7 月　2 日
设计题目：苯-甲苯筛板精馏塔的设计
设计条件：
进料量
F
=　　 160 　　ｋmol/h
进料组成
= 　　　　(摩尔分率)
进料温度
tF
= 泡点温度　　
产品要求
= 96%　
回收率
＝９4％　　　
设计内容：
1、精馏塔的物料衡算;
2、塔板数、压降的计算;
3、精馏塔的工艺条件及有关物性数据的计算;
４、精馏塔的相关工艺尺寸计算；
5、绘制精馏塔设计条件图。
指导教师: 涛
　 2010年　 6　月
目　　录
1. 引言·························································· 6
１。1 塔设备的分类···················································６
1．2　塔设备在化工生产中的作用和地位 ·······························６
１。3　设计条件····················································· 6
１．４　问题研究 ·····················································6
2。板式塔的设计　 ·················································6
2．1 工业生产对塔板的要求· ········································6
2。2 设计方案的确定 ················································7
．2 操作压力的选择 ··············································７
．3 进料热状况的选择 ············································7
２。2。4 加热方式的选择 ··············································7
2。　回流比的选择　················································７
3 工艺流程图 ······················································7
4．工艺计算及主体设备的计算·······································8
4。1 精馏塔的物料衡算··············································8
。1　原料液及塔顶、塔底产品的摩尔分率·····························８
4。　原料液及塔顶、塔底产品的平均摩尔质量·························８
4。１。 3 物料衡算···········································8