Anti-air-return efficient discharging structure of pulverizer

The efficient discharging structure comprises a discharging pipe, an adjusting plate is fixed to the edge of the top of a bottom plate below the discharging pipe, and a discharging space is formed by a side frame and an opening in the left side of the top of the discharging pipe; the top of the main flow guide plate is rotationally installed on the inner wall of the side frame through a torsional spring in an embedded mode, the left side of the internal corner of the bottom of the discharging pipe is connected with a blocking plate through a second elastic telescopic rod, a mounting frame is fixed to the bottom of the bottom plate below the discharging pipe, and the right end of a first rack is located in a pushing groove; the top of the first rack is meshed with a tooth roller, a mounting base is fixed to the bottom of the bottom plate below the discharging pipe, and the trigger position adjusting assembly is used for adjusting the initial position of the second rack. According to the efficient discharging s