350MW汽轮机低加疏水泵故障原因探讨和预防  

Discussion on Fault Reason of Drain Pump in LP Heater of 350 MW Turbine Unit and its Precautions

作　　者：李晓辉 

机构地区：[1]三河发电有限责任公司,河北三河065201

出　　处：《电站辅机》2007年第2期23-25,共3页Power Station Auxiliary Equipment

摘　　要：介绍了低加疏水泵基本设备规范,运行方式。对气蚀现象造成低加疏水泵损坏的事故进行了分析,探讨了多级泵泵体进入空气产生的湍流原理,并对低加疏水泵的启动和维护此提出了建议,对防止发生类似故障提出了具体措施。The basic operation regulations and operating mode of the drain pump in LP heater have been introduced in the article. The fault of the drain pump because of gas corrosion has been analyzed. The turbulent principle produced by the air in multi-step pump has also been discussed. The suggestions of start and mainteinance for the drain pump and the countmeasures have been put forward in the article.

关 键 词：轴向推力 空气 湍流 故障 疏水泵 

分 类 号：TM621.3[电气工程—电力系统及自动化]