合成氨的工艺流程

下载后可任意编辑目 录摘要: ....................................................3ABSTRACT..................................................41．概述...................................................51.1 合成氨的工艺流程.......................................71.1.1 原料气制备...........................................71.1.2 净化.................................................81.1.3 氨合成...............................................92.氮氢比控制.............................................122.1 控制方法..............................................122.1.1 先进控制............................................122.1.2 优化控制............................................132.2 氮氢比控制方案设计....................................132.2.1 基于先进控制算法的氮氢比控制........................132.2.2 基于先进控制软件包的氮氢比控制......................142.2.3 基于优化常规过程控制( PID) 的氮氢比控制.............142.3 氢氮比控制方案比较....................................152.4 推举合成氨装置氢氮比优化控制设计方案..................163．温度..................................................17下载后可任意编辑3.1 反应速度..............................................173.2 对温度的控制..........................................173.3 多段冷激式氨合成塔温度先进控制........................184.压强...................................................205.催化剂.................................................215.1 催化剂在还原前的化学组成及其作用......................215.2 催化剂的还原与钝化....................................215.2.1 催化剂的预还原......................................215.2.2 催化剂的还原与钝化..................................215.3 催化剂中毒与衰老......................................226．合成氨的危险分析......................................236.1 环境风险识别..........................................236.1.1 化学品风险识别......................................236.1.2 生产工艺和设施风险识别..............................236.1.3 重大危险源识...