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对引起三聚氰胺装置CO2汽提塔压差波动的原因进行了分析,并通过减负荷冲洗、增加塔顶冲洗水量、提高操作压力等措施来避免结晶堵塞,使CO2汽提塔的工作状况有了很大的改善。
The causes of the pressure difference of CO2 stripping column in melamine plant were analyzed and the operation of CO2 stripping column was avoided by means of reducing load flushing, increasing the amount of flushing water overhead and increasing operating pressure Great improvement.