【正文】 年產(chǎn) 6萬(wàn)噸環(huán)氧乙烷工藝設(shè)計(jì) The Design of Producting Ethylene Oxide Process 60,000 t/a 目錄 摘要 ........................................................................................................................ I Abstract ............................................................................................................... II 引 言 ..................................................................................................................... 1 第 1 章 國(guó)內(nèi)外環(huán)氧乙烷的綜述 ........................................................................ 2 環(huán)氧乙烷在國(guó)民經(jīng)濟(jì)中的地位和作用 ........................................................................ 2 環(huán)氧乙烷在國(guó)內(nèi)外的發(fā)展動(dòng)向 .................................................................................... 2 生產(chǎn)技術(shù) ..................................................................................................................... 2 技術(shù)發(fā)展動(dòng)向 ............................................................................................................. 3 環(huán)氧乙烷的市場(chǎng)需求狀況 ............................................................................................ 3 第 2 章 工藝概述 ................................................................................................ 4 環(huán)氧乙烷的性質(zhì) ............................................................................................................ 4 環(huán)氧乙烷的物理性質(zhì) ................................................................................................. 4 環(huán)氧乙烷的化學(xué)性質(zhì) ................................................................................................. 4 環(huán)氧乙烷的生產(chǎn)方法的評(píng)述及選擇 ............................................................................ 4 氯乙醇法 ..................................................................................................................... 4 氧氣氧化法 ................................................................................................................. 4 環(huán)氧乙烷的生產(chǎn)原理 .................................................................................................... 5 氧化反應(yīng)原理 ............................................................................................................. 5 二氧化碳脫除原理 ..................................................................................................... 6 工藝流程 ........................................................................................................................ 6 第 3 章 物料衡算 ................................................................................................ 8 物性數(shù)據(jù) ........................................................................................................................ 8 設(shè)計(jì)依據(jù) ........................................................................................................................ 8 循環(huán)系統(tǒng)的物料衡算 .................................................................................................... 8 計(jì)算依據(jù) ..................................................................................................................... 8 混合器 (M102) ........................................................................................................... 9 反應(yīng)器 (R101) .......................................................................................................... 13 環(huán)氧乙烷吸收塔 (T201) ........................................................................................... 16 排放 系統(tǒng) ................................................................................................................... 20 二氧化碳的吸收系統(tǒng) ............................................................................................... 22 環(huán)氧乙烷解析塔 (T203) .............................................................................................. 23 環(huán)氧乙烷解析塔頂冷凝 器 (E204).............................................................................. 25 環(huán)氧乙烷解析塔塔頂冷凝器 (E205).......................................................................... 29 脫輕組分塔（ T301） ................................................................................................. 30 第 4 章 熱量衡算 .............................................................................................. 33 設(shè)計(jì)依據(jù) ...................................................................................................................... 33 反應(yīng)器 (R101) ............................................................................................................. 33 產(chǎn)品第一冷卻器 (E101).............................................................................................. 34 應(yīng)器進(jìn)料 產(chǎn)品換熱器 (E102) .................................................................................... 36 第 5 章 設(shè)備計(jì)算 .............................................................................................. 39 理論塔板計(jì)算 ................................................................................................................. 39 實(shí)際塔板數(shù)的確定 ........................................................................................................ 40 塔徑的計(jì)算 ..................................................................................................................... 41 精餾段 ......................................................................................................................... 41 提餾段 ......................................................................................................................... 42 塔高的計(jì)算 ..................................................................................................................... 43 塔板結(jié)構(gòu)尺寸及溢流裝置的確定 .............................................................................. 43 堰長(zhǎng) ............................................................................................................................. 43 溢流堰高 .....................................................................................................................