I题 目 500kt/a 煤合成氨—造气工段初步设计 目 录摘 要:....................................................................................................................1关键词:................................................................................................................1Abstract..................................................................................................................2第一章 绪 论........................................................................................................31.1 氨的性质及用途......................................................................................31.2 古今中外煤气化演进史..........................................................................31.3 合成氨工艺流程......................................................................................4第二章 工艺选择..................................................................................................52.1 工艺方法分类..........................................................................................52.2 生产方案的选择......................................................................................5第三章 常压固定床间歇气化法..........................................................................63.1 制气原理..................................................................................................63.2 煤气发生炉构造及燃料的分布..............................................................73.3 半水煤气制取条件..................................................................................93.3.1 温度.............................................................................................93.3.2 吹风速度.......................................................................................93.3.3 蒸汽用量.......................................................................................93.3.4 燃料层高度...............................................................................