透平机械轴端非接触密封研究进展  

Research Progress on Non-contact Sealing of Shaft Ends of Turbine Machinery

作　　者：李英南 Li Yingnan(National Energy Large Scale Physical Energy Storage Technologies R&D Center of Bijie High-tech Industrial Development Zone,Bijie 551700,China)

机构地区：[1]毕节高新技术产业开发区国家能源大规模物理储能技术研发中心,贵州毕节551700

出　　处：《广东化工》2023年第14期62-65,87,共5页Guangdong Chemical Industry

基　　金：贵州省科技计划项目:黔科合基础([2020]1Y240)、黔科合支撑([2020]2Y064);国家发改委国地联合工程中心:发改办高技([2019]180);贵州省高新技术产业发展项目:黔发改高技([2017]951)。

摘　　要：本文对石油、化工、电力等过程工业中普遍使用的透平机械轴端非接触密封进行了介绍,分别是迷宫密封、蜂窝密封和动压式干气密封。阐述了其基本结构特点、密封原理和使用范围,详细介绍了当前的研究进展,并对比分析三种密封的差异,为相关行业的技术人员提供参考。This paper introduces the non-contact seal of turbine shaft end,which is widely used in petroleum,chemical industry and electric power industry.They are labyrinth seal,honeycomb seal and dynamic pressure dry gas seal respectively.The basic structure characteristics,sealing principle and application range are described,the current research progress is introduced in detail,and the differences of the three kinds of sealing are compared and analyzed,so as to provide reference for technical personnel in related industries.

关 键 词：迷宫密封 蜂窝密封 干气密封 透平机械 压缩空气储能 

分 类 号：TK14[动力工程及工程热物理—热能工程]