机械密封在液态气体中的工作寿命  

The Working Life of Mechanical Seal in Liquid Gas

作　　者：陈勇 CHEN Yong(Chengdu Shilun Sealing Co.,Ltd.,Chengdu,Sichuan 610500,China)

机构地区：[1]成都仕伦密封有限责任公司,四川成都610500

出　　处：《冶金动力》2020年第11期34-35,共2页Metallurgical Power

摘　　要：输送液氧、液氮、液氩、LNG等液态气体的低温离心泵中使用的机械密封(接触型),其工作寿命受很多如液态介质种类、泵精度等客观因素制约。分析了影响低温机械密封工作寿命的因素,并给出操作建议。The service life of mechanical seal(contact type)used in cryogenic centrifugal pump for conveying liquid oxygen,liquid nitrogen,liquid argon,LNG and other liquid gases is restricted by many objective factors such as liquid medium type and pump accuracy.The factors affecting the working life of cryogenic mechanical seal are analyzed and operation suggestions are given.

关 键 词：液态气体 动力粘度 密封面 临界摩擦 工作寿命 

分 类 号：TB655[一般工业技术—制冷工程]