PAGE\*MERGEFORMATIII《化工原理课程设计》报告46000吨/年乙醇~水精馏装置设计目录TOC\o"1-4"\h\z\uHYPERLINK\l"_Toc124747484"一、概述1HYPERLINK\l"_Toc124747485"1.1设计依据1HYPERLINK\l"_Toc124747486"1.2技术来源1HYPERLINK\l"_Toc124747487"1.3设计任务及要求2HYPERLINK\l"_Toc124747488"二：计算过程3HYPERLINK\l"_Toc124747489"1.塔型选择3HYPERLINK\l"_Toc124747490"2.操作条件的确定3HYPERLINK\l"_Toc124747491"2.1操作压力3HYPERLINK\l"_Toc124747492"2.2进料状态3HYPERLINK\l"_Toc124747493"2.3加热方式3HYPERLINK\l"_Toc124747494"2.4热能利用4HYPERLINK\l"_Toc124747495"3.有关的工艺计算4HYPERLINK\l"_Toc124747496"3.1最小回流比及操作回流比的确定5HYPERLINK\l"_Toc124747497"3.2塔顶产品产量、釜残液量的计算5HYPERLINK\l"_Toc124747498"3.3全凝器冷凝介质的消耗量6HYPERLINK\l"_Toc124747499"3.4热能利用6HYPERLINK\l"_Toc124747500"3.5理论塔板层数的确定7HYPERLINK\l"_Toc124747501"3.6全塔效率的估算8HYPERLINK\l"_Toc124747502"3.7实际塔板数9HYPERLINK\l"_Toc124747503"4.精馏塔主题尺寸的计算9HYPERLINK\l"_Toc124747504"4.1精馏段与提馏段的体积流量9HYPERLINK\l"_Toc124747505"4.1.1精馏段9HYPERLINK\l"_Toc124747506"4.1.2提馏段PAGEREF_Toc124747506\h11HYPERLINK\l"_Toc124747507"4.2塔径的计算PAGEREF_Toc124747507\h12HYPERLINK\l"_Toc124747508"4.3塔高的计算PAGEREF_Toc124747508\h14HYPERLINK\l"_Toc124747509"5.塔板结构尺寸的确定PAGEREF_Toc124747509\h15HYPERLINK\l"_Toc124747510"5.1塔板尺寸PAGEREF_Toc124747510\h15HYPERLINK\l"_Toc124747511"5.2弓形降液管PAGEREF_Toc124747511\h16HYPERLINK\l"_Toc124747512"5.2.1堰高PAGEREF_Toc124747512\h16HYPERLINK\l"_Toc124747513"5.2.2降液管底隙高度h0PAGEREF_Toc124747513\h16HYPERLINK\l"_Toc124747514"5.2.3进口堰高和受液盘PAGEREF_Toc124747514\h16HYPERLINK\l"_Toc124747515"5.3浮阀数目及排列PAGEREF_Toc124747515\h16HYPERLINK\l"_Toc124747516"5.3.1浮阀数目PAGEREF_Toc124747516\h16HYPERLINK\l"_Toc124747517"5.3.2排列17HYPERLINK\l"_Toc124747518"5.3.3校核17HYPERLINK\l"_Toc124747519"6.流体力学验算18HYPERLINK\l"_Toc124747520"6.1气体通过浮阀塔板的压力降(单板压降)18HYPERLINK\l"_Toc124747521"6.1.1干板阻力18HYPERLINK\l"_Toc124747522"6.1.2板上充