年产 25 万吨合成氨造气工艺的设计The Design of Synthesis Ammonia Gasification Process of 250kt/a目录摘要...........................................................IAbstract......................................................II引言...........................................................1第一章 综述.................................................2 1.1 合成氨造气的意义和目的................................2 1.2 合成氨的优点 ........................................2 1.3 合成氨的用途 ........................................2 1.4 煤气化进展史..........................................3 1.5 煤气化技术进展趋势....................................3 1.6 生产方法的选择及论证...................................3 1.6.1 生产方法的介绍: ....................................4 1.6.2 固定床气化法 ....................................4 1.6.3 流化床气化..........................................4 1.6.4 气流床气化...........................................5 1.6.5 熔浴床气化 ......................................5第二章 常压固定床间歇气化法....................................7 2.1 半水煤气定义...........................................7 2.2 生产半水煤气对原料的选择...............................7 2.3 半水煤气制气原理.......................................8 2.4 发生炉内燃料分布情况...................................9 2.5 生产流程的选择及论证...................................9 2.6 间歇式气化的工作循环..................................10 2.7 间歇式制半水煤气工艺流程..............................11 2.8 间歇式制半水煤气的工艺条件............................12第三章 工艺计算...............................................15 3.1 煤气发生炉( 含燃烧室) 的物料及热量衡算................15 3.2 吹风阶段的物料衡算以及热量衡算........................17 3.2.1 吹风阶段的物料衡算..................................17 3.2.2 吹风阶段的热量衡算: ................................18 3.3 制气阶段的计算.........................................19...
