年产50万吨煤制甲醇生产的工艺设计目录1前言...............................................................................11.1合成甲醇的发展历程..........................................................11.2合成甲醇的重要性............................................................11.3国内外甲醇的生产和供需概况..................................................21.3.1国外甲醇的生产和供需概况..............................................21.3.2国内甲醇的生产和供需概况..............................................31.4甲醇的生产方法..............................................................41.5甲醇的生产规模..............................................................61.6粗甲醇的精制原理............................................................61.6.1粗甲醇的组成..........................................................61.6.2粗甲醇中杂质的分类....................................................71.6.3精甲醇的质量标准......................................................81.7几种典型的甲醇精制工艺流程..................................................92甲醇合成催化剂及合成工艺选择......................................................122.1催化剂选择.................................................................122.2反应温度...................................................................122.3反应压力...................................................................132.4气体组成...................................................................132.5空速.......................................................................133原料气的制取工艺..................................................................153.1煤的选用...................................................................153.2气化工艺...................................................................153.3原料气的变换...............................................................173.4脱硫脱碳工艺...............................................................183.5合成工艺流程...............................................................203.6精馏方案选择...............................................................214物料衡算..........................................................................224.1合成过程的反应方程.........................................................224.2合成塔物料衡算.............................................................224.3合成反应中各气体消耗和生产量...............................................234.4新鲜气和驰放气量的确定.....................................................24第2页共109页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共109页4.5循环气气量的确定...........................................................254.6入塔气和出塔气组成.........................................................264.7甲醇分离器出口气体组成.....................................................284.8贮罐气组成.................................................................295热量衡算..........................................................................315.1合成塔热量衡算相关计算式...................................................315.1.1合成塔入塔热量计算...................................................315.1.2合成塔的反应热.......................................................325.1.3合成塔出塔热量计算...................................................325.2合成塔热量损失...
