At 16:00 on March 10, Zha Guohong, the person in charge of pulverizing of WOM Xinjiang Wucaiwan project department, received the notice from the shift supervisor of Beiyi power generation company about the equipment repair. Because the closed cooling water pump of unit 4 had been shut down, according to the requirements of cold prevention and antifreeze, the time of shutting down the closed cooling water pump should not be too long, and the shift supervisor asked the pulverizing maintenance team to assist in connecting the temporary pipeline to drain the residual water.

        According to the requirements of Wucaiwan project department in Xinjiang, Zha Guohong immediately organized the pulverizing team to assist the operators on duty to connect the pipeline for drainage, and the residual water of the pipeline was drained at 17:20. Because there was still a pipeline on the upper part of the maintenance pipeline, and the lifting car was not in place, the pulverizing maintenance workers Ma Dongcheng and Zhao Jianxi hung up their safety belts and stood on the 80mm diameter pipeline for operation. After more than two hours of rush repair, it was finished at 19:30 It has become the rush repair of the pipeline, and the closed cooling water has returned to normal.(Liu Yuanli)