【正文】 餾方案的說(shuō)明 ..............................................1 操作壓力 .............................................................1 進(jìn)料狀態(tài) .............................................................1 采用強(qiáng)制回流（冷回流） ...............................................1 塔釜加熱方式、加熱介質(zhì) ...............................................1 塔頂冷凝方式、冷卻介質(zhì) ...............................................1 流程說(shuō)明 .............................................................1 篩板塔的特性 ........................................................2 生產(chǎn)性質(zhì)及用途 .......................................................2 苯的性質(zhì)及用途 ...................................................22 精餾塔工藝設(shè)計(jì)計(jì)算 ...........................................4 精餾塔物料衡算 .......................................................4 計(jì)算 、 、 ..................................................4DxWF 原料液及塔頂、塔釜產(chǎn)品的平均摩爾質(zhì)量 ..............................4 進(jìn)料量 F 塔頂餾出液 D 塔底殘留液 W 的計(jì)算 .........................4 相對(duì)揮發(fā)度及 XY關(guān)系 .................................................5 氣液相密度計(jì)算 .......................................................6 回流比的確定 .........................................................7 操作線方程 ...........................................................8 精餾段操作線方程 ..................................................8 提留段操作線方程 ..................................................8 理論塔板數(shù)的確定 .....................................................8 物料流量 ..........................................................8 塔板數(shù)的計(jì)算 ......................................................93 精餾塔塔和塔板主要工藝尺寸的設(shè)計(jì)計(jì)算 ...................................11 精餾段工藝尺寸的計(jì)算 ................................................11 塔徑、塔高的計(jì)算 .................................................11 溢流裝置的設(shè)計(jì) ...................................................11 塔板板面布置 .....................................................12 提餾段工藝尺寸的計(jì)算 ................................................13 塔徑、塔高的計(jì)算 .................................................13 溢流裝置的設(shè)計(jì) ...................................................14 塔板板面布置 .....................................................144 塔的流體力學(xué)驗(yàn)算 .......................................................15 精餾段塔板校核 ......................................................15 降液管液泛 .......................................................15 降液管液體停留時(shí)間 .............................................16? 液沫夾帶 .........................................................16 漏夜 .............................................................16 提餾段塔板校核 ......................................................17 降液管液泛 .......................................................17 降液管液體停留時(shí)間 .............................................18? 液沫夾帶 .........................................................18 漏夜 .............................................................18第 5 章 負(fù)荷性能圖計(jì)算 .........................................................................................................19 精餾段氣液流量的流體力學(xué)上下限線 ....................................19 漏液線 ...........................................................19 液體流量下限線 ...................................................19 液體流量上限線 ...................................................20 過(guò)量霧沫夾帶線 ...................................................20 液泛線 ...........................................................20 塔板工作線 .......................................................22 提餾段氣液流量的流體力學(xué)上下限線 ....................................22 漏液線 ...........................................................22 液體流量下限線 ...................................................23 液體流量上限線 ...................................................23 過(guò)量霧沫夾帶線 ...................................................23 液泛線 ...........................................................24 塔板工作線 .......................................................256 主要 設(shè)計(jì)結(jié)果總匯 ............................................277 總結(jié) ...................................................................28參考文獻(xiàn) .................................................................29符號(hào)說(shuō)明 .................