分离苯甲苯混合液的浮阀板式馏塔工艺设计(doc毕设论文)

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1、分离苯-甲苯混合液的浮阀板式精馏塔工艺设计目录中文摘要`````````````````````````````````````````````````````````````````````````````````(2)英文摘要················································································(2)引言·····················································

2、···························(2)1设计任务及操作条件·······························································(4)1.1工艺条件及数据·······························································(4)1.2操作条件································································

3、·········(5)2主要工艺计算·······································································(5)2.1精馏塔的物料衡算························································(5)2.2塔板数的确定··································································(7)2.3精馏塔的塔体艺尺寸

4、计算··················································(11)2.4塔板的主要艺尺寸计算·····················································(13)2.5热衡算············································································(14)2.6塔的分布··································

5、·······································(18)2.7塔板的流力学验算·····························································(20)2.8塔板负性能图···································································(22)2.9塔进出口管的选择···········································

6、··················(26)3结果···············································································(27)4重要符号说明·········································································(29)5参考文献························································

7、························(31)6后记····························································································(32)中文摘要：目前用于气液分离的传质设备主要采用板式塔，对于二元混合物的分离，应采用连续精馏过程。浮阀塔在操作弹性、塔板效率、压降、生产能力以及设备造价等方面都比较优越。其主要特点是在塔板的开孔上装有可浮动的浮阀，气流从浮阀周边以稳定的速度水平进入塔板上液

8、层进行两相接触，浮阀可根据气体流量的大小上下浮动，自行调节。其中精馏塔的工艺设计计算包括塔高、塔径、塔板各部分尺寸的设计计算，塔板的布置，塔板流体力学性能的校核及绘出塔板的性能负荷图。关键词：气液传质分离精馏浮阀塔Abstract:Currently，themaintransferringequipmentthatusedforgas-liquidseparationistraycolumn.Fortheseparationofbinary,weshou