【正文】 .................................. 78 工藝流程詳述 .......................................................................................... 78 PO 精制工段 ............................................................................................ 81 甲醇及副產(chǎn)物回收工段 .......................................................................... 82 工藝流程模擬 ................................................................................................. 84 反應(yīng)及丙烯回收工段的模擬 ................................................................ 85 環(huán)氧丙烷精制工段的模擬 ...................................................................... 86 甲醇及副產(chǎn)物回收工段的模擬 .............................................................. 87 工藝流程的優(yōu)化 ............................................................................................. 88 分離塔的優(yōu)化 .......................................................................................... 89 丙烯回收塔的優(yōu)化 .................................................................................. 91 萃取塔的優(yōu)化 .......................................................................................... 93 環(huán)氧丙烷精制塔的優(yōu)化 .......................................................................... 95 除雜塔的優(yōu)化 ...................................................................................... 97 副產(chǎn)物分離塔的優(yōu)化 .......................................................................... 98 換熱網(wǎng)絡(luò)設(shè)計(jì) ................................................................................................. 99 概述 .......................................................................................................... 99 換熱網(wǎng)絡(luò)的集成 .................................................................................... 100 第四章 物料衡算與能量衡算 ................................................................................ 105 意義 ............................................................................................................... 105 物料衡算基準(zhǔn) ............................................................................................... 105 物料衡算的質(zhì)量守恒 ................................................................................... 106 能量衡算 ....................................................................................................... 106 初步設(shè)計(jì)說明書 4 系統(tǒng)能量衡算 ............................................................................................... 106 第五章 設(shè)備選型 ...................................................................................................... 107 換熱器選型 ................................................................................................... 107 概述 ........................................................................................................ 107 換熱器選型規(guī)范 .................................................................................... 108 換熱器的類型選擇 ................................................................................ 108 常用換熱器 ............................................................................................ 111 換熱器設(shè)計(jì) 方法 .................................................................................... 117 換熱器計(jì)算示例 .................................................................................... 117 換熱器校核 ............................................................................................ 123 塔設(shè)備選型 ................................................................................................... 130 概述 ........................................................................................................ 130 塔設(shè)備選型規(guī)范 .................................................................................... 131 塔設(shè)備的性能要求 ................................................................................ 131 板式塔與填料塔的比較 ........................................................................ 132 塔板的類型與選擇 ................................................................................ 134 塔設(shè)備選型示例（ T0202） .................................................................. 136 KGTOWER 在塔盤工藝結(jié)構(gòu)計(jì)算中的運(yùn)用 ......................................... 156 塔機(jī)械工程設(shè)計(jì) .................................................................................... 171 塔機(jī)械強(qiáng)度校核 .................................................................................... 180 反應(yīng)器設(shè)計(jì) ................................................................................................... 183 反應(yīng)器選型 ............................................................................................ 183 反應(yīng)機(jī)理分析 ........................................................................................ 184 催化劑 .................................................................................................... 188 反應(yīng)工藝條件的影響及確定 ................................................................ 192 反應(yīng)器結(jié)構(gòu)的計(jì)算 ................................................................................ 196 反應(yīng)器機(jī)械校核 .................................................................................... 202 泵的選型 ....................................................................................................... 202 初步設(shè)計(jì)說明書 5 概述 ........................................................................................................ 202 泵選型的原則 ........................................................................................ 202 泵選型的基本依據(jù) ................................................................................ 203 磁力泵和屏蔽泵特性對(duì)比 .................................................................... 204 泵選型計(jì)算示例 .................................................................................... 207 儲(chǔ)罐選型 ....................................................................................................... 209 選型依據(jù) .................................................