管输离心压缩机干气密封失效分析及采取的措施  

FAILURE ANALYSIS ON THE DRY GAS SEAL IN THE CENTRIFUGAL COMPRESSOR OF PIPING TRANSPORT AND THE COUNTERMEASURES

作　　者：沈登海[1] 

机构地区：[1]中国石油天然气股份有限公司西部管道分公司,新疆乌鲁木齐830011

出　　处：《石油化工设备技术》2015年第1期56-59,6,共4页Petrochemical Equipment Technology

摘　　要：文章针对公司现有压缩机配置的干气密封,根据密封系统的差异,干气密封动环、静环摩擦副的技术特点,分析了干气密封的故障。阐述了影响密封泄漏的主要原因及采取的相应措施,结合一、二级密封泄漏判断的依据,提出在运行、检修中的关键点。最大化地延长密封的有效寿命,降低干气密封的检修率。Aiming at the dry gas seal of the present compressor in the Company,this paper analyzes the failure of the dry gas seal according to the differences of different seal systems and the technical characteristics of rotation and stationary rings of the dry gas seal.It expatiates on the main reasons for seal leakage and the corresponding measures to take.Combining with the judgment basis for the primary and secondary seal leakage,the paper brings forward the key points in operation and maintenance to prolong the effective service life of the seals to the maximum and reduce the maintenance rate of the dry gas seal.

关 键 词：干气密封 密封系统 泄漏 一级密封 二级密封 

分 类 号：TE974[石油与天然气工程—石油机械设备]