【正文】 年產(chǎn) 2 萬噸己二酸二甲酯工藝設(shè)計 Process Design of Dimethyl Adipate for 20kt/a 目 錄 摘要 ................................................................................................................................................. I Abstract .........................................................................................................................................II 引言 ................................................................................................................................................ 1 第一章 工業(yè)中己二酸二甲酯制備工藝及設(shè)備簡介 ..................................................... 2 ........................................................................... 2 固體強酸催化法 ........................................................................................................... 2 硫酸氫鈉催化法 ........................................................................................................... 3 雜多酸催化法 ............................................................................................................... 4 對甲苯磺 酸催化法 ....................................................................................................... 4 其它方法 ....................................................................................................................... 4 主要設(shè)備研究進(jìn)展 .......................................................................................................... 5 塔設(shè)備基本性能 ........................................................................................................... 5 塔設(shè)備現(xiàn)狀及發(fā)展 ....................................................................................................... 5 第二章 固體超強酸樹脂催化合成己二酸二甲酯技術(shù)及工藝 .................................. 7 生產(chǎn)基本原理及化學(xué)方程式 .......................................................................................... 7 基本物料物化性質(zhì) .......................................................................................................... 7 生產(chǎn)工藝概述 .................................................................................................................. 8 工藝流程 ....................................................................................................................... 8 工藝過程影響因素 ....................................................................................................... 9 第三章 精餾塔工藝尺寸計算 ..............................................................................................11 ..............................................................................................................11 ..................................................................................................................11 原料液、塔頂及塔底產(chǎn)品的摩爾分率 ......................................................................11 原料液及塔頂、塔底產(chǎn)品的平均摩爾質(zhì)量 ..............................................................11 ...................................................................................................................... 12 塔板數(shù)的確定 ................................................................................................................ 12 泡點進(jìn)料溫度 ............................................................................................................. 12 最小回流比及操作回流比 ......................................................................................... 13 精餾塔氣液相負(fù)荷 ..................................................................................................... 13 操作線方程 ................................................................................................................. 13 圖解法求塔板數(shù) ......................................................................................................... 13 精餾塔的工藝條件及有關(guān)物性數(shù)據(jù)的計算 ................................................................ 15 操作壓力計算 ............................................................................................................. 15 操作溫度計算 ............................................................................................................. 15 平均摩爾質(zhì)量計算 ..................................................................................................... 15 平均密度計算 ............................................................................................................. 15 液體平均表面張力計算 ............................................................................................. 16 液體平均粘度計算 ..................................................................................................... 17 精餾塔的塔體工藝尺寸的計算 .................................................................................... 17 塔板主要工藝尺寸的計算 ............................................................................................ 19 溢流區(qū)計算 ................................................................................................................. 19 塔板布置 ..................................................................................................................... 20 塔板的流體力學(xué)驗算 .................................................................................................... 21 塔板壓降 ..................................................................................................................... 21 液面落差 ..................................................................................................................... 22 霧沫夾帶 ..................................................................................................................... 23 漏液 ............................................................................................................................. 23 液泛 ............................................................................................................................. 23 塔板負(fù)荷性能圖 ............................................................................................................ 24 液相負(fù)荷下限線 .........................