离心泵机械密封故障分析与对策

Failure Analysis and countermeasure of mechanical seal of Centrifugal pump

介绍了陕西延长石油(集团)有限责任公司延安石油化工厂环保六套装置离心泵机械密封改造前存在的问题,包括:动环材质为四氟的密封面易磨损,硫浆泵机械密封动环小弹簧易失去弹性,部分机械密封静环O型圈易膨胀等问题,并进行了改造,改造后机泵机械密封运行良好。

This paper presents six sets of environmental protection equipment machine pump mechanical seal problems before modification of Shaanxi Yanchang Petroleum(Group)Co.,Ltd,Include:sealing face of the ring is made of four fluorine is easy to wear and tear,low sulfur slurry pump mechanical seal ring on the spring lose elasticity,part of the mechanical seal static ring o-rings easy expansion,and,after transforming machine pump mechanical seal as well.