【正文】 ..................................... 26 ........................................................................... 27 4 物料及熱量衡算 ........................................................................................................ 29 總論 ................................................................................................................. 29 物料衡算 .......................................................................................................... 31 衡算方法 ................................................................................................. 31 進(jìn)料工段物料衡算 ................................................................................... 31 反應(yīng)工段物料衡算 ................................................................................... 31 丙烯回收段物料衡算 ............................................................................... 32 甲醇回收工段物料衡算 ............................................................................ 32 2 環(huán)氧丙烷精餾工段物料衡算 ..................................................................... 33 能量衡算 .......................................................................................................... 34 基本原理 ................................................................................................. 34 能量衡算任務(wù) .......................................................................................... 34 系統(tǒng)物料及能量衡算 ............................................................................... 35 反應(yīng)器 ........................................................................................... 35 丙烯回收塔 .................................................................................... 35 甲醇回收塔 .................................................................................... 36 環(huán)氧丙烷精餾塔 .............................................................................. 36 5 設(shè)備設(shè)計(jì)及選型 ................................................................................................... 37 丙烯儲(chǔ)罐 V101 ............................................................................................ 37 雙氧水儲(chǔ)罐 V102 ........................................................................................ 37 甲醇儲(chǔ)罐 V103 ............................................................................................ 37 V105 .............................................................................................. 38 進(jìn)料泵設(shè)計(jì) ................................................................................................. 39 石油、化工裝置對(duì)泵的要求 ............................................................... 39 進(jìn)口直徑 Ds .................................................................................... 39 出口直徑 Dd .................................................................................... 40 泵進(jìn)口速度 Vs ................................................................................. 40 泵出口速度 Vd ................................................................................ 40 比轉(zhuǎn)速 ns ......................................................................................... 41 水力效率 h? ...................................................................................... 41 容積效率 v? ...................................................................................... 41 機(jī)械效率 m? ...................................................................................... 42 總效率 ? ......................................................................................... 42 軸功率 P .......................................................................................... 42 計(jì)算扭矩 Mn .................................................................................. 43 計(jì)算軸徑 d ..................................................................................... 43 泵的揚(yáng)程 ......................................................................................... 43 反應(yīng)釜 R101 的設(shè)計(jì) .................................................................................... 45 罐體和夾套的設(shè)計(jì) ............................................................................. 45 罐體幾何尺寸計(jì)算 ............................................................................. 45 夾套的幾何尺寸計(jì)算 ......................................................................... 46 ............................................................................. 46 3 攪拌器的安裝方式及其與軸連接的結(jié)構(gòu)設(shè)計(jì) ...................................... 47 夾套反應(yīng)釜的強(qiáng)度計(jì)算 ...................................................................... 47 夾套厚度計(jì)算 .................................................................................... 48 水壓試驗(yàn)校核計(jì)算 ............................................................................ 48 常用電機(jī)及其連接 ............................................................................. 49 釜用減速機(jī)類型，標(biāo)準(zhǔn)及其選用 ...................................................... 49 反應(yīng)釜的其他附件 ........................................................................... 50 丙烯精餾塔的設(shè)計(jì) ...................................................................................... 52 反應(yīng)器 R102 的設(shè)計(jì) .................................................................................... 69 反應(yīng)參數(shù) ........................................................................................... 69 反應(yīng)器結(jié)構(gòu)的計(jì)算 ............................................................................ 69 甲醇回收塔的設(shè)計(jì) ...................................................................................... 72 塔的設(shè)計(jì)要求 .................................................................................... 72 塔設(shè)備選型 ....................................................................................... 73 塔板性能比較 .................................................................................... 74 基本數(shù)據(jù) ........................................................................................... 74 塔徑的設(shè)計(jì)及計(jì)算