汽轮机叶轮键槽超声波探伤方法

摘要

文章通过对青海省火力发电机组汽轮机叶轮键槽径向裂纹进行超声波模拟和实际探伤，总结出汽轮机叶轮键槽径向裂纹超声波探伤方法，为保障发电机组的安全稳定运行，消除设备的重大隐患，具有重要的指导作用。%The paper summarizes the supersonic wave's fault detection method of the turbine blade wheel key groove's radial crack,through taking supersonic simulation and practical fault detection for Qinghai thermal power generating unit's turbine blade wheel key groove's radial crack,in order to ensure the safe and steady operation of the unit and eliminate the hidden trouble of the unit,the paper possesses a significant guide function.