Rotary unloader for cement grinding

The utility model relates to the technical field of unloaders, in particular to a rotary unloader for cement grinding, and adopts the technical scheme that the rotary unloader comprises a shell and an activated carbon filter screen, bearings I are respectively embedded into two sides of the shell, fixed rods I are fixedly mounted on inner rings of the two bearings I, a motor is mounted on the side surface of the shell, and a motor is mounted on the side surface of the shell. A connecting shaft rod is arranged at the transmission end of the motor, the end, away from the motor, of the connecting shaft rod is welded to a first fixing rod, a belt is installed on the first fixing rod, a fixing frame is installed at the top of the shell, a second bearing is installed in the fixing frame, and a second fixing rod is fixedly installed on an inner ring of the second bearing; fan blades are installed on the outer side of the second fixing rod in an annular array mode, a first inserting hole is formed in the top of the f