600MW汽轮机高压调节阀故障分析与处理  

Fault Analysis and Processing of Governing Valve on 600 MW Steam Turbine

作　　者：史艳强 刘月军 赵志宏 李飞 李臣义 

机构地区：[1]内蒙古京隆发电有限责任公司,内蒙古乌兰察布012100

出　　处：《内蒙古电力技术》2015年第3期96-100,共5页Inner Mongolia Electric Power

摘　　要：内蒙古京隆发电有限责任公司600 MW汽轮机高压调节阀及EH油系统曾发生过伺服阀卡塞、快速卸荷阀内漏、高压调节阀阀芯脱落,以及高压调节阀油系统外漏等故障。分别对各类故障现象、原因进行了分析,制订了更换卡塞伺服阀或快速卸荷阀、在线焊接脱落门杆以及及时堵塞油系统泄漏点等处理措施,并针对各故障给出了相应的预防措施。This article focuses on failure summary of the governing valve EH oil system and the control valve itself of 600 MW steam turbine unit in Inner Mongolia Jinglong Power Generation Co.,Ltd.. Analyzed breakdown phenomenon and reasons in summary, proposed the solution methods to the failures. At the same time, put forward the preventive measures correspondingly.

关 键 词：汽轮机高压调节阀 EH油系统 危急遮断 超速保护装置 力矩马达 线性位移差动变送器 

分 类 号：TK263.72[动力工程及工程热物理—动力机械及工程]