年产25万吨合成氨造气工艺的设计TheDesignofSynthesisAmmoniaGasificationProcessof250kt/a目录摘要........................................................................IAbstract..................................................................II引言........................................................................1第一章综述..............................................................21.1合成氨造气的意义和目的.............................................21.2合成氨的优点.....................................................21.3合成氨的用途.....................................................21.4煤气化发展史.......................................................31.5煤气化技术发展趋势.................................................31.6生产方法的选择及论证................................................31.6.1生产方法的介绍：.................................................41.6.2固定床气化法.................................................41.6.3流化床气化.......................................................41.6.4气流床气化........................................................51.6.5熔浴床气化...................................................5第二章常压固定床间歇气化法.............................................72.1半水煤气定义........................................................72.2生产半水煤气对原料的选择............................................72.3半水煤气制气原理....................................................82.4发生炉内燃料分布情况................................................92.5生产流程的选择及论证................................................92.6间歇式气化的工作循环...............................................102.7间歇式制半水煤气工艺流程...........................................112.8间歇式制半水煤气的工艺条件.........................................12第三章工艺计算..........................................................153.1煤气发生炉（含燃烧室）的物料及热量衡算.............................153.2吹风阶段的物料衡算以及热量衡算.....................................173.2.1吹风阶段的物料衡算...............................................173.2.2吹风阶段的热量衡算：.............................................183.3制气阶段的计算......................................................193.3.1制气阶段物料衡算..................................................193.3.2制气阶段热量衡算.................................................223.4总过程计算.........................................................243.4.1燃料使用分配.....................................................243.4.2每100kg燃料的生产指标............................................243.4.3物料衡算.........................................................243.4.4热量衡算..........................................................263.5配气计算...........................................................273.6消耗定额...........................................................283.7吹净时间...........................................................283.8废热锅炉的热量衡算.................................................28第四章设备计算..........................................................344.1煤气炉指标计算.....................................................344.2煤气台数的确定.....................................................354.3空气鼓风机的选型及台数确定.........................................35...
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