【正文】 ...................................... 4 酸化 反應(yīng)時(shí)間 ........................................................................................ 4 主要原材料及公用工程情況 ............................................................................ 4 2 生產(chǎn)流程確定 ............................................................................................................... 5 3 生產(chǎn)流程說(shuō)明 ............................................................................................................... 6 4 物料衡算 ....................................................................................................................... 7 初 餾塔物料衡算 ................................................................................................ 7 酸洗反應(yīng)器物料衡算 ........................................................................................ 8 吹苯塔物料衡算 ................................................................................................ 8 純苯塔物料衡算 .............................................................................................. 10 純苯塔產(chǎn)品產(chǎn) 量核算 .......................................................................... 11 吹苯塔產(chǎn)品產(chǎn)量核算 .......................................................................... 12 酸洗塔產(chǎn)品產(chǎn)量核算 .......................................................................... 13 甲苯塔物料衡算 .............................................................................................. 14 二甲苯塔物 料衡算 .......................................................................................... 16 5 能量衡算 ..................................................................................................................... 19 6 塔設(shè)備計(jì)算 ................................................................................................................. 19 吹苯塔計(jì)算 ...................................................................................................... 19 吹苯塔塔徑的計(jì)算 .............................................................................. 19 吹苯塔塔高的計(jì)算 .............................................................................. 20 純苯塔的計(jì)算 .................................................................................................. 20 回流比的計(jì)算 ...................................................................................... 20 塔板層數(shù)的確定 .................................................................................. 22 精餾塔的工藝條件及有關(guān)物性數(shù)據(jù)的計(jì)算 .................................................. 23 操作壓力計(jì)算 ...................................................................................... 23 操作溫度計(jì)算 ...................................................................................... 23 平均摩爾質(zhì)量的計(jì)算 .......................................................................... 23 進(jìn)料板平均摩爾質(zhì)量計(jì)算 .................................................................. 23 平均密度計(jì)算 ...................................................................................... 24 河南城建學(xué)院專(zhuān)科畢業(yè)設(shè)計(jì) 主要符號(hào)說(shuō)明 ii 液體平均表面張力計(jì)算 ...................................................................... 25 液相平均 粘度的計(jì)算 .......................................................................... 26 精餾塔的塔體工藝尺寸計(jì)算 .......................................................................... 26 塔徑計(jì)算 .............................................................................................. 26 精餾塔有效高度得計(jì)算 ...................................................................... 27 塔板主要工藝尺寸的計(jì)算 .............................................................................. 28 溢流裝置計(jì)算 ...................................................................................... 28 塔板布置 .............................................................................................. 29 篩板的流體力學(xué)驗(yàn)算： .................................................................................. 30 塔板壓： .............................................................................................. 30 液面落差 .............................................................................................. 30 液沫夾帶 .............................................................................................. 30 漏液 ...................................................................................................... 31 液泛 ...................................................................................................... 31 塔板負(fù)荷性能圖 .............................................................................................. 31 漏液線 .................................................................................................. 31 液沫夾帶線 .......................................................................................... 32 液相負(fù)荷下限線 .................................................................................. 32 液相負(fù)荷上限線 .................................................................................. 33 液泛線 .................................................................................................. 33 7 設(shè)備穩(wěn)定 性 及機(jī)械強(qiáng)度校核計(jì)算 ............................................................................. 37 塔高估算 .......................................................................................................... 37 筒體強(qiáng)度計(jì)算 .................................................................................................. 37 精餾塔壁厚 .......................................................................................... 37 封頭的選取 .......................................................................................... 38 塔設(shè)備所承受的各種載荷計(jì)算 ...................................................................... 38 質(zhì)量載荷 .............................................................................................. 38 風(fēng)載荷 .................................................................................................. 39