化工原理课程设计：苯—甲苯精馏分离板式塔设计

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1、化工原理课程设计：苯—甲苯精馏分离板式塔设计化工原理课程设计题目：苯——甲苯精馏分离板式塔设计系别：材料系班级：学生姓名：学号：指导老师：设计时间：44化工原理课程设计：苯—甲苯精馏分离板式塔设计目录《化工原理课程设计》任务书································5第一章设计方案的选择及流程设计1·1概述············································91·2设计方案确定····································10第二

2、章工艺计算2·1相平衡··········································132·2物料衡算和操作线方程····························142·3理论版数的确定··································1744化工原理课程设计：苯—甲苯精馏分离板式塔设计2·4塔板效率的确定··································182·5实际塔板数的计算································182

3、·6精馏塔的工艺条件及有关物理数据的计算············18第三章主要设备工艺尺寸设计3·1塔径及提溜段踏板结构尺寸的确定··················233·2塔板的流体力学校核······························273·3塔板的负荷性能图································293·4总塔高、总压降及接管尺寸的确定··················32第四章辅助设备选型与计算4·1塔体总结构44化工原理课程设计：苯—甲苯精馏分离板式塔设计····

4、··································344·2冷凝器··········································354·3再沸器··········································35第五章设计结果汇总····································37第六章工艺流程图及精馏塔工艺条件图····················41第七章设计评述及感想7·1对本设计的评价··················

5、··············427·2设计感想······································42参考文献···············································4344化工原理课程设计：苯—甲苯精馏分离板式塔设计备注···················································44《化工原理课程设计》任务书一、设计题目：苯—甲苯精馏分离板式塔设计二、设计任务及操作条件44化工原理课程设计：苯—甲苯精馏分离板式

6、塔设计1、设计任务生产能力：（进料量）吨/年操作周期：7200小时/年进料组成：苯含量为42%（质量分数）塔顶产品组成：97%（质量分数）塔底产品组成：2.5%（质量分数）2、操作条件操作压力：常压进料热状态：泡点进料单板压降：≤0.7kPa3、设备形式板式精馏塔：筛板4、厂址大连市三、设计内容：1、设计方案的选择及流程说明2、工艺计算3、主要设备工艺尺寸设计（1）塔径及提溜段塔板结构尺寸的确定。（2）总塔高、总压降及接管尺寸的确定。4、设计结果汇总5、工艺流程图及精馏塔工艺条件图6、设计评述及感想四、主要的基础数

7、据44化工原理课程设计：苯—甲苯精馏分离板式塔设计1、苯和甲苯的物理性质项目分子式分子量沸点（℃）临界温度（℃）临界压强（kpa）苯C6H678.1180.1288.568833.4甲苯C6H5-CH392.13110.6318.574107.72、常压下苯—甲苯的气液平衡数据温度80.1859095100105110.6苯Pa,Kpa101.33116.9135.5155.7179.2204.2240甲苯Pb,,kPa40465463.374.386101.33以上为实验数据，也可以用Antoine公式计算log

8、(P°）=A-B/C+t组分ABC苯6.0231206.35220.24甲苯6.0781343.94219.583、液相密度kg/m344化工原理课程设计：苯—甲苯精馏分离板式塔设计温度（℃）808090100110120苯815803.9792.580.3768.9甲苯810800.2790.3780.37704、液体的表面张力，10-3N/m温度（℃）8