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介绍了渭化28000m3/h内压缩流程空分装置液氧泵在试车及运行过程中遇到的问题,分析了原因,对液氧泵回流阀、液氧泵密封气进行了改造和维护,对液氧泵的联锁进行了完善,效果良好。
The problems encountered during the test run and the operation of the liquid oxygen pump of the air separation unit of the 28000m3 / h internal compression process in Weihua Petrochemical Company were introduced. The reasons for the problems were analyzed, and the reformation and maintenance of the liquid oxygen pump return valve and liquid oxygen pump sealing gas were carried out. Liquid oxygen pump interlock has been improved, the effect is good.