宝珠寺水电站^(#)3机组转轮裂纹原因分析及处理  

Cause Analysis and Treatment of Runner Crack of ^(#)3 Unit of Baozhusi Hydropower Station

作　　者：许永强 李林伟 张恒 XU Yong-qiang;LI Lin-wei;ZHANG Heng(Huadian Electric Power Research Institute Co.,Ltd.,Hangzhou 310030,China)

机构地区：[1]华电电力科学研究院有限公司,浙江杭州310030

出　　处：《水电能源科学》2021年第11期184-186,183,共4页Water Resources and Power

摘　　要：针对宝珠寺水电站^(#)3机组转轮裂纹问题,系统分析了该机组转轮裂纹产生原因,发现转轮材料性能降低、机组空载及低负荷运行时间长和转轮设计及制造工艺落后是转轮裂纹产生的主要原因,制定了相应处理方案,处理后检查机组转轮修复效果良好。Aiming at the runner crack problem of^(#)3 unit of Baozhusi Hydropower Station,this paper systematically analyzes the causes of runner crack of the unit,which includes degradation of runner’s material performance,non-load and long time for low-load operation,runner design and backward manufacturing process.And then the corresponding treatment scheme is formulated.After treatment,the inspection and repair effect is good.

关 键 词：转轮裂纹 宝珠寺水电站 处理方案 安全运行 

分 类 号：TK730[交通运输工程—轮机工程] TV734.1[动力工程及工程热物理—流体机械及工程]