【正文】 年產(chǎn) 10萬噸合成氨工程項(xiàng)目變換工序工藝設(shè)計(jì)（論文） I 目 錄 摘要 ..................................................................................................................................................................................................................................III ABSTRACT..........................................................................................................................................................................................................IV 第一章 總論部分 ..........................................................................................................................................................................................1 ......................................................................................................................................................................................1 ...............................................................................................................................................................1 產(chǎn)品品種 ................................................................................................................................................................................................1 產(chǎn)品性 質(zhì) ................................................................................................................................................................................................1 .......................................................................................................................................................................1 ................................................................................................................1 ......................................................................................................................................................................................2 ...............................................................................................................................................3 煤氣化及造氣爐選擇 ..............................................................................................................................................................3 本設(shè)計(jì)造氣基本原理 ..............................................................................................................................................................7 本設(shè)計(jì)造氣工藝流程 ..............................................................................................................................................................7 ......................................................................................................................................................................................8 脫硫 .............................................................................................................................................................................................................8 變換 ..........................................................................................................................................................................................................10 脫碳 ..........................................................................................................................................................................................................10 精制 ..........................................................................................................................................................................................................12 ..........................................................................................................................................................................................................14 ....................................................................................................................................16 第二章 工藝部分 ..................................................................................................................................................................................17 重點(diǎn)設(shè)計(jì)工序（變換工序）的基本原理 ............................................................................................17 變換反應(yīng)的特點(diǎn) .........................................................................................................................................................................17 化學(xué)平衡 .............................................................................................................................................................................................17 年產(chǎn) 10萬噸合成氨工程項(xiàng)目變換工序工藝設(shè)計(jì)（論文） II 催化劑的選擇 ...............................................................................................................................................................................21 化學(xué)動(dòng)力學(xué) ......................................................................................................................................................................................27 ....................................................................................................................................29 工藝技術(shù)路線選擇 ......................................................................................................................... 29 全低變工藝流程 .............................................................................................................................. 30 ...........................................................................................................................................................................31 ............................................................................................................................................................32 溫度 ......................................................................................................