影响氢回收膜分离系统运行效果的因素及优化  

Factors Influencing Operation Effect of Membrane Separation System for Hydrogen Recovery and Optimization

作　　者：葛志跃 

机构地区：[1]河南龙宇煤化工有限公司,河南永城476600

出　　处：《化肥工业》2017年第3期63-65,共3页Chemical Fertilizer Industry

摘　　要：结合500 kt/a甲醇合成装置氢回收膜分离系统的实际运行情况,分析运行过程中出现膜分离系统运行效果差的原因。通过采取相应的有效措施,降低了进入氢回收膜分离系统的甲醇合成弛放气中的甲醇含量并去除了杂质;同时针对膜丝存在老化现象,隔离效率低的膜分离器,以增大膜分离器内外侧的压差,提高了现有膜分离器的运行效率。In connection with actual operation conditions of membrane separation system for hydrogen recovery of 500 kt/a methanol synthesis unit, an analysis is made of the causes of poor running effect in operation of membrane separation system. By taking relevant effective measures, the content of methanol in purge gas from methanol synthesis entering membrane separation system for hydrogen recovery is reduced, and impurities are removed; at the same time, in connection with aging phenomenon of membrane fiber, by isolating low effective membrane separator, the pressure difference between inside and outside the membrane separator is increased, and operation effect of existing membrane separator is improved.

关 键 词：氢回收 甲醇合成弛放气 膜分离 

分 类 号：TQ051.893[化学工程]