液氮洗装置尾气回收甲烷工艺调整总结

Summary of adjustment of methane recovery process from exhaust in liquid nitrogen washing plant

本文介绍了中煤鄂尔多斯能源化工有限公司液氮洗装置的工艺原理、工艺流程,并针对装置由于工艺条件的限制导致尾气中甲烷指标的偏离问题提出了合理的工艺调整措施,实施后效果良好。

This paper introduces the process principle and process flow of the liquid nitrogen washing plant of China Coal Ordos Energy Chemical Company,and proposes reasonable process adjustment measures for the deviation of methane index in the exhaust gas due to the limitation of process conditions.Good effect is achieved after implementation.