This article takes the process technology optimization and renovation project of a low-temperature methanol plant in a large coal gasification plant as an example,this article elaborates on the process problems and treatment ideas of the low-temperature methanol plant from several aspects:excessive methanol consumption,excessive cold energy consumption,deviation of multiple indicators of the thermal regeneration system from the design values,and low stability of the methanol water tower operation.On this basis,the economic effects of this renovation were analyzed and calculated,and the results confirmed that the renovation strategy described in this article is effective and has achieved ideal results.
关键词
煤化工/低温甲醇/工艺优化
Key words
Large-scale coal chemical projects/Low temperature methanol device/Process optimization