摘要
干气密封是离心式压缩机组轴封采用率较高的密封形式,但精密的密封装置在使用过程中受到机组工况和设备本体维护操作的影响,经常出现干气密封故障损坏导致压缩机停车等问题,严重影响了工厂的长周期生产。本文分别介绍了目前干气密封的发展现状,干气密封的结构组成以及技术原理,干气密封在离心式压缩机领域的具体运用;具体描述分析了干气密封常见的一些典型故障案例;最后以管理维护的角度列出了装置运行操作中的一些管控措施和注意事项,并增加了实用型的技术改造措施,以希对装置的稳定运行提供一定的参考依据。
Dry gas seal is a sealing form with high adoption rate of shaft seal of centrifugal compressor unit,but the precision sealing device is affected by unit working conditions and equipment maintenance operation in the process of use.Problems such as compressor shutdown caused by dry gas seal failure and damage often occur,which seriously affects the long-term production of industry.This paper introduces the development status of dry gas seal,the structural composition and technical principle of dry gas seal,and the specific application of dry gas seal in the field of centrifugal compressor;Some typical failure cases of dry gas seal are described and analyzed in detail;Finally,some control measures and precautions in the operation of the unit are listed from the perspective of management and maintenance,and practical technical transformation measures are added,in order to provide a certain reference basis for the stable operation of the unit.
作者
刘晓晨
穆坤
余光兴
何臣雄
Liu Xiaochen;Mu Kun;Yu Guangxing;He Chenxiong(Qianxi Coal Chemical Investment Co.,Ltd.,Qianxi 551500,Guizhou,China)
出处
《四川化工》
CAS
2022年第2期13-16,共4页
Sichuan Chemical Industry
关键词
干气密封
离心式压缩机
实用型
轴端密封
dry gas seal
centrifugal compressor
practical
shaft end seal
