demethanizer

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.

摘要通过乙烯装置烷塔系统改造后运行状况分析，烷塔改造后运行状态行了总结，并为更一步工艺条件提出措施。