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2019年化工原理课程设计1
本科生(化工原理)课程设计
题 目 年产10万吨甲苯精馏塔的设计
学生姓名 张淑云 黄桂林 王泽尉
指导老师 徐琼
学 院 树达学院
专业班级 化学工程与工艺
完成时间 2014年12月
目录
Ⅰ.设计任务书············································5
Ⅱ.设计说明书
工艺流程的确定和说明······························6
精馏塔的工艺计算
2.1 操作条件的相关计算·······························7
一、操作压力、塔顶温度、塔底温度的确定···················7
二、相对挥发度的计算和最小回流比、操作回流比的确定·······10
2.2全塔物料衡算和热量衡算····························10
一、物料衡算·············································10
二、热量衡算·············································11
2.3理论塔板数和实际塔板数的计算······················16
一、理论塔板数的计算·····································16
二、全塔效率的估算·······································17
三、实际塔板数···········································17
精馏塔主要尺寸设计计算
3.1基础物性数据计算··································17
一、液相平均密度及液相体积流量的计算·····················17
二、气相平均密度及气相体积流量的计算·····················18
三、液相平均表面张力的计算·······························18
3.2塔径的计算········································19
3.3塔高的计算········································20
一、塔板间距的估算·······································20
二、溢流装置·············································20
三、塔的有效高度和总高度·································20
塔盘的设计和计算
4.1塔板布置··········································22
4.2筛孔计算和排列····································22
塔板流体力学性能
5.1塔板流体力学性能的参数及校核·····················23
5.2塔板性能负荷图····································25
5.3筛板设计计算的主要结果····························27
塔附属设备的选型及计算····························28
一、换热器的选型及计算···································28
二、原料预热器···········································30
三、塔底再沸器···········································31
6.1相关管路管径的确定································33
6.2泵的选型与计算····································34
6.3储罐的选型与计算··································35
参考著作和文献···········································37
结束语···················································38
Ⅲ.附录
说符号明
图纸
Ⅰ.设计任务书
化工原理课程设计任务书(2012级雷霆队)
设计题目
生产过程中欲分离甲
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