循环水泵出口液控蝶阀控制系统的问题及改进  

Problems and Improvement of Hydraulic-controlled Butterfly Valves in the Outlet of Circulating Water Pumps

作　　者：李明 张一夫 LI Ming;ZHANG Yifu(Guodian Shuangliao Power Generation Co.,Ltd.,Shuangliao 136400,Jilin Province,China)

机构地区：[1]国电双辽发电有限公司

出　　处：《电力安全技术》2019年第9期56-58,共3页Electric Safety Technology

摘　　要：循环水泵是火力发电厂中重要的辅机设备,对机组的安全和稳定有着重要的意义,与之相互联动的出口蝶阀在循环水系统中显得非常重要。结合某电厂660 MW机组循环水泵出口液控蝶阀的故障现象,对其故障原因进行了分析,并针对存在的隐患提出了改进措施,为同类型配置的电厂提供了参考。Circulating water pump is an important auxiliary equipment in thermal power plant,which is a great significance to the safety and stability of the unit.The outlet butterfly valve interlocked with circulating water pump is also very important to the circulating water system.By combining with the failure of butterfly valve at the outlet of circulating pump of 660 MW unit in a power plant,the failure cause is analyzed and improvement measures for the hidden trouble are put forward,which provides a reference for the same type of power plants.

关 键 词：循环水泵 控制回路 液控蝶阀 

分 类 号：TM621[电气工程—电力系统及自动化]