某机组汽轮机危急遮断装置故障分析与处理  

Analysis and Treatment of Trouble of Steam Turbine Emergency Trip Device

作　　者：范志强[1] 段学友[1] 温玥 云杰 Fan Zhiqiang;Duan Xueyou;Wen Yue;Yun Jie(Inner Mongolia Power Research Institute,Hohhot 010020,China)

机构地区：[1]内蒙古电力科学研究院,呼和浩特010020

出　　处：《燃气轮机技术》2022年第4期53-55,共3页Gas Turbine Technology

基　　金：国家环境保护大气物理模拟与污染控制重点实验室开放基金(H2017Y003-2);中国科学院国际合作局对外合作重点项目(182211KYSB20160039);中国科学院青年创新促进会(2017184)。

摘　　要：机械超速遮断是汽轮机电超速失效后防止超速的最后一道保障。某机组因机械超速遮断系统故障导致机组挂闸失败,超速试验不合格,严重影响到机组的安全可靠运行。鉴于此,对危急遮断装置故障进行深入的分析,提出解决方案,从而保障机组的安全可靠运行。Mechanical overspeed protection is the last guarantee to prevent overspeed after the failure of electrical overspeed protection.Due to the failure of the mechanical overspeed system,the unit hanging gate failed,and the overspeed test was unqualified,which seriously affected the safe and reliable operation of the unit.In view of this,the trouble of emergency trip device was analyzed in depth,and solutions were proposed and handled,in order to ensure the safe and reliable operation of the unit.

关 键 词：危急遮断装置 机械超速 注油环 

分 类 号：TK268[动力工程及工程热物理—动力机械及工程]