【正文】 年產(chǎn) 15 萬噸甲醇合成工段工藝設(shè)計 Process Design of 150 kt/a Methanol Synthesis Section 目 錄 摘要 ........................................................................................................ ...............I Abstract ................................................................................................................ II 引言 ....................................................................................................................... 1 第 1 章 概述 .......................................................................................................... 2 甲醇的概述 ....................................................................................................................... 2 理化性質(zhì) ........................................................................................................................ 2 制法 ................................................................................................................................ 2 用途 ................................................................................................................................ 2 健康危害 ........................................................................................................................ 3 市場分析 ........................................................................................................................ 3 焦?fàn)t煤氣 ........................................................................................................................... 3 概述 ................................................................................................................................ 3 構(gòu)成 ................................................................................................................................ 4 特點 ................................................................................................................................ 4 甲醇的生產(chǎn)方法 ............................................................................................................... 4 焦?fàn)t煤氣制甲醇 的發(fā)展前景 ........................................................................................... 5 第 2 章 甲醇的合成 .............................................................................................. 6 甲醇合成的基本原理 ....................................................................................................... 6 甲醇合成的工藝條件 ....................................................................................................... 7 溫度 ................................................................................................................................ 7 壓力 ................................................................................................................................ 8 原料氣組成 .................................................................................................................... 8 空間速率 ........................................................................................................................ 9 甲醇合成的工藝流程 ....................................................................................................... 9 甲醇合成反應(yīng)器 ............................................................................................................. 10 工藝對甲醇合成反應(yīng)器的要求 .................................................................................. 10 合成反應(yīng)器的結(jié)構(gòu)和材質(zhì) .......................................................................................... 11 反應(yīng)器的材質(zhì) .............................................................................................................. 13 第 3 章 物料衡算 ................................................................................................ 14 物料衡算 ......................................................................................................................... 14 能量衡算 ......................................................................................................................... 16 第 4 章 甲醇合成塔的工藝計算 ......................................................................... 23 傳熱面積及催化劑用量 ................................................................................................. 23 傳熱面積 ...................................................................................................................... 23 催化劑用量 .................................................................................................................. 23 換熱管的選用及排列 ..................................................................................................... 23 管子的選用 .................................................................................................................. 23 管子的排列 .................................................................................................................. 23 殼體和封頭的計算 ......................................................................................................... 23 殼體直徑 ...................................................................................................................... 23 殼體厚度 ...................................................................................................................... 23 封頭的確定 .................................................................................................................. 24 管子拉脫力的計算 ......................................................................................................... 24 管板、折流板的確定 ..................................................................................................... 25 管板 .............................................................................................................................. 25 折流板 .......................................................................................................................... 25 支座的設(shè)計 .............................................