revamp GREGMAT专八

This article analyze the condition of demethanizer after revamping. The operation state afterwards the revamp is summarized and further optimization of the demethanizer is given in the paper.

摘要通过烯装置甲烷塔系统改后的运行状况的分，甲烷塔改后的运行状态进行了总结，并为更进一步的优化工艺条件提出措施。

This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.

分了影响中国石油抚顺石化分公司烯公司烯装置甲烷塔运行的主要因素,并针烯装置改后甲烷塔存在的问题进行了探讨。

For the plate tower, in revamp for capacity increase the downpipe of the plates generally becomes the bottleneck, and flooding of the downpipe is liable to occur.The DJ type plates h...

于板式塔,在扩能改中往往是塔板的降液管成为瓶颈,易发生降液管液泛现象。