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本文对乙烯装置急冷油循环泵机械密封失效的原因进行分析,通过改变冲洗油供给方式,改善机械密封的工艺条件,取得了良好的密封效果和经济效益。
In this paper, the reasons for the failure of the mechanical seal of the emergency oil circulating pump for ethylene plant are analyzed. The sealing conditions and economic benefits are achieved by changing the supply of flushing oil and the process conditions of the mechanical seal.