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 摘要通過乙烯裝置脫甲烷塔系統(tǒng)改造后的運(yùn)行狀況的分析,對(duì)脫甲烷塔改造后的運(yùn)行狀態(tài)進(jìn)行了總結(jié),并為更進(jìn)一步的優(yōu)化工藝條件提出措施。