水电站事故工作闸门油管路异常振动原因分析及处理

Cause Analysis and Treatment on Abnormal Vibrations of Emergency Gate Piping

湖南省酉水河某水电站进水口事故工作闸门液压启闭系统油管在水轮发电机组运行中常因引用水流量变化至某一区域值而产生异常振动现象,并伴随有剧烈的金属敲击响声。文章就油管产生异常振动的原因进行分析研究,提出处理方法,成功治理安全隐患,为设备稳定运行提供了保证。

The oil pipe for intake emergency gate hydraulic hoist system of a hydropower station on Youshuihe in Hunan province often appears abnormal vibration with drastic metal knock noise when the discharge flow changes to an area value during the operation of turbine-generator.The paper makes an analysis on the cause for the piping abnormal vibrations,and gives a solution on eliminating the security hidden danger,which provides a guarantee for the stable operation of equipment.