化工原理课程设计----分离苯-甲苯混合物的精馏塔设计

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1、化工原理课程设计化工原理课程设计任务书一、设计任务：设计题目：分离苯-甲苯混合物的精馏塔设计给定条件：原料液：苯-甲苯混合物组成：xF=0.32（摩尔分率，下同）处理量：F=12400kg/h温度：29oC馏出液：组成：xD=0.93残液：组成：xW=0.02操作压力：常压二、设计内容：设计说明书一份，其内容包括目录题目及数据工艺流程选择论证及说明、流程图主要设备的设计（塔板数、塔径、塔板结构元件及尺寸，流体力学交校核）塔板布置图，负荷性能图主要辅助设备的选用与计算（塔顶冷凝器）三、参考资料：化工原理设计导论，成都科技大学《化工原理设计导论》编写组，成都科技大学出版社，1

2、994化工原理，下册，叶世超夏素兰易美桂杨雪峰等编，科学出版社，2002化工原理（第二版），下册，陈敏恒等，化学工业出版社，2000化工设备设计基础，化工设备设计基础编写组，上海科学技术出版社，1987化学工程师手册，机械工业出版社，1999PERRY化学工程手册（第六版），化学工业出版社，1984化学工程手册（第二版），时钧等，化学工业出版社，1996化学工程师简明手册，邓忠等，机械工业出版社，1997化工生产流程图解，化学工业出版社，精馏设计、操作和控制，吴俊生等，中国石化出版社，1997塔型设备基础设计，石油化学工业部编，1975塔设备设计，上海科学技术出版社，19

3、88塔的工艺计算，石油化学工业部设计院，1977目录第一章方案选定1.1操作条件的确定1.1.1操作压力···········································1.1.2进料状态···········································1.1.3加热方式············································1.1.4冷却剂与出口温度···································1.1.5回流比的选择·····························

4、··········1.2设备的选择1.2.1塔设备的选择·······································1.2.2再沸器，冷凝器等附属设备的安排·····················1.3流程的确定1.3.1物料的储和输送·····································1.3.2参数的检测和调控··································1.4热能的利用第二章总体工艺设计计算2.1物料衡算与操作线方程2.1.1原料及产品组成(xF,xD,xW,F)····················

5、·····2.1.2全塔总物料衡算······································2.1.3操作温度·············································2.1.4使进料达到泡点，预热原料液所需热·····················2.1.5相对挥发度(a)········································2.1.6最小回流比(Rmin)·······································2.1.7精馏塔的气、液相负荷及操作线方程·········

6、·············2.2塔板数的确定2.2.1理论塔板数············································2.2.2实际塔板数············································2.3精馏塔的工艺条件及有关物性数据的计算2.3.1平均摩尔质量··········································2.3.2平均密度··············································2.3.3液相平均表面张力·················

7、·····················2.3.4液相平均黏度··········································2.4精馏塔的塔体工艺尺寸计算2.4.1塔径的计算··············································2.4.2精馏塔有效高度计算····································2.5塔板主要工艺尺寸的计算2.5.1溢流装置计算············································2.