Analysis and Treatment of Liquid Hammer Phenomenon in Backwashing Filter of Hydrocracking Unit
Hydrocracking unit is one of the important oil refining units in petrochemical industry,and it is also one of the main devices of modern oil secondary processing and light heavy oil.This paper introduces the phenomenon of liquid strike in the backwash of the backwash filter in the newly built hydrocracking unit,and uses the mathematical model in the theory of liquid strike to calculate and analyze the cause of liquid strike.By comparing several common methods to eliminate liquid shock,the valve closing time was prolonged,and the problem of liquid shock of backwashing filter was solved successfully.
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