随着石油化工工业的迅速发展,机械密封在迴转式机械:泵、反应釜、压缩机、冷冻机等机械上得到广泛的应用。在应用中一般效果均较好。但也发现影响机械密封质量的一些问题,泵用机械密封轴套上和动静环附近积水垢就是一个讨厌的弊病。冷油泵和冷 With the rapid development of the petrochemical industry, mechanical seals are widely used in rotary machinery: pumps, reactors, compressors and freezers. The general effect is good in the application. But also found that the quality of the mechanical seal some of the problems, pump mechanical seal sleeve and static and dynamic ring near the scale is a hate ills. Cold oil pump and cold