水轮机转轮裂纹分析与处理

Analysis and treatment of cracks on hydraulic turbine runner

水轮机转轮是水轮机的重要组成部分,转轮叶片若出现裂纹缺陷,将会严重影响水电站的安全、稳定运行。介绍了广东粤电流溪河发电有限责任公司#4机组转轮叶片裂纹的处理过程,找出了裂纹产生的原因,消除了裂纹缺陷。

The hydraulic turbine runner is important part of the hydraulic turbine. The crack defect on runner blade can influence on safe and stable operation of the hydropower station. The treatment process of the crack on the runner blade of unit No. 4of Guangdong Yudean Liuxihe Power Generation Company Limited was introduced in detail. The actual reasons of the crack were found,and the crack defect was eliminated.