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201809-12
2018
抽空是機械密封最大的敵人
據我國石油化工行業統計,80%以上的離心泵采用的密封方式為機械密封。由于工況條件的不同,離心泵在輸送物料過程中,經常出現機械密封處物料的泄漏,給環境造成污染,并造成能源的浪費。 機械密封是離心泵的主要易損件之一,因而泵的故障多數是由密封失效所導致的。據統計,機械密封失效導致泵的故障占設備故障率的50