天然气压缩机干气密封的设计研究与应用  

Design and Application of a Dry Gas Seal on Gas for Natural Gas Compressor

作　　者：韩亮[1] Liang Han(Shenyang Blower Worke Group Corporation)

机构地区：[1]沈阳鼓风机集团股份有限公司

出　　处：《风机技术》2017年第2期76-82,86,共8页Chinese Journal of Turbomachinery

摘　　要：根据天然气长输管线压缩机的结构特点和运行环境,对压缩机干气密封及其控制系统盘站的国产化技术路线进行了分析,并提出比较符合工程实际情况的技术方案。技术方案包括干气密封本体方案设计分析、密封关键零部件的应力应变分析及结构优化、适应管线压缩机频繁启停工况的干气密封可靠性研究、干气密封动静环材料的选择、控制系统中一体式过滤器设计、电加热器设计、增压装置设计、避开爆炸极限设计、控制一级泄漏气压力设计等。According to the structural characteristics and the operating environments of long distance natural gas pipeline compressors,the dry gas seal and control system panel were designed and analyzed.An actual engineering solution of dry gas seal system was developed,which include the design,the stress and strain analysis and structure optimization of the key components.In addition,the adaption of the dry gas seal to the frequent starting and the analysis of materials of the dynamic and static ring control system,which includes integrated filter,electric heater,supercharging device,explosion limit design,pressure design of first-stage leakage etc.were performed.

关 键 词：干气密封 管线压缩机 天然气 控制系统 天然气压缩机 离心压缩机 

分 类 号：TB42[一般工业技术] TK05[动力工程及工程热物理]