大型煤制甲醇装置合成单元运行分析和总结  

Operation Analysis and Summary of Methanol Synthesis Unit in Large Coal to Methanol Plant

作　　者：吴世凯 蔡建 Wu Shikai;Cai Jian(Henan Longyu Coal Chemical Co.,Ltd.,Yongcheng Henan 476600,China)

机构地区：[1]河南龙宇煤化工有限公司,河南永城476600

出　　处：《煤化工》2018年第2期17-20,共4页Coal Chemical Industry

摘　　要：针对河南龙宇煤化工有限公司甲醇合成装置中存在的催化剂使用周期短、合成塔底部超温等问题,分析了催化剂失活及合成塔底部超温的原因,采取了增加常温氧化锌精脱硫装置、采用XNC-98型甲醇合成催化剂、取消绝热层等措施。通过对催化剂净化系统和甲醇合成系统的控制,催化剂在运行周期、CO单程转换率、每m3催化剂对应的甲醇产量和甲醇产品质量这几个方面表现出优异的性能,取得了良好的运行效果。In view of the short catalyst service life and bottom over-temperature of synthesis tower in the methanol synthesis plant of Henan Longyu Chemical Co.,Ltd.,the reason of catalyst deactivation and bottom over-temperature of synthesis tower was analyzed.Certain measures were taken,including adding ambient zinc oxide refined desulfurization unit,replacing XNC-98 methanol synthesis catalyst,canceling adiabatic layer,and eliminating the leakage of synthesis tower.Through effective control on catalyst purification system and strict process control of methanol synthesis system,the catalyst has shown excellent performance in terms of operation cycle,CO single-pass conversion,corresponding methanol output of single catalyst,and methanol product quality,achieving quite good operating effect.

关 键 词：甲醇合成 催化剂 XNC-98 净化系统 合成系统 

分 类 号：TQ54[化学工程—煤化学工程]