At 20:00 on November 21st, 2019, the guide rod of the tailcar derailed during the tailcar transformation of the bucket wheel machine in the coal yard of Wucaiwan power plant, resulting in the deformation of the guide rod, the displacement of the limit position and the desoldering, resulting in the bucket wheel machine unable to operate normally. As there is only one bucket wheel machine in the power plant to ensure the operation of two units, and the coal consumption is large, once the coal from the gallery is blocked, it will cause serious consequences; therefore, Ms. Ye Mei, the manager of WOM Wucaiwan project, immediately led the electrical and instrument maintenance supervisor to formulate the emergency repair plan and organized the maintenance personnel to carry out the emergency repair work.

        The night of November in Xinjiang has been more than ten degrees below zero. The rush repair personnel are not afraid of the cold. After seven hours of intensive work, the bucket wheel machine is back to normal use, providing guarantee for the normal coal supply of the unit.