化工原理课程设计-苯-甲苯筛板精馏塔设计

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1、化工原理课程设计设计题目：苯-甲苯筛板精馏塔设计学生姓名： 班级：学号：指导教师：设计时间:年月日~ 月日完成时间:年月日于徐州 目录任务书·····························································1摘要·····························································2ABSTRACT···························································2第1章绪论·····························

2、···························31.1塔设备的分类···················································31.2塔设备在化工生产中的作用和地位·······························31.3设计条件·····················································31.4问题研究·····················································3第2章板式塔的设计····························

3、··················32．1工业生产对塔板的要求··········································32.2设计方案的确定················································42.2.2操作压力的选择··············································42.2.3进料热状况的选择············································42.2.4加热方式的选择···································

4、···········42.2.5回流比的选择················································4第3章工艺流程图··················································4第4章工艺计算及主体设备的计算····································54.1精馏塔的物料衡算··············································54.1.1原料液及塔顶、塔底产品的摩尔分率····························54.1.2原料

5、液及塔顶、塔底产品的平均摩尔质量······················54.1.3物料衡算····················································54.2塔板数的确定··················································54.2.1理论板层数NT的求取···········································54.2.2实际板层数的求解···········································84.3精馏塔的工艺条件及有关物性数据计算·

6、··························84.3.1操作压力的计算··············································84.3.2操作温度计算················································84.3.3平衡摩尔质量的计算··········································94.3.4平均密度的计算·············································94.3.5液体平均表面张力计算······················

7、·················104.3.6液体平均粘度计算···········································114.4精馏塔的塔体工艺尺寸计算······································124.4.1塔径计算····················································124.4.2精馏塔有效高度的计算··