Anti-air-channeling cooling fan of grate cooler

The utility model relates to the technical field of grate cooler cooling, in particular to an air channeling prevention cooling fan of a grate cooler. According to the technical scheme, the grate cooler comprises an outer rod, a grate cooler, a fan body, a rotating bearing, an air blowing opening and a baffle, the inner wall of the grate cooler is rotationally connected with a grate plate, gaps of the grate plate are filled with inflation beams, supporting legs are welded to the lower surface of the grate cooler, the outer rod is welded to the top end in the grate cooler, and an inner rod is movably connected to the lower surface of the outer rod in an inserted mode. The inner rod is welded to the upper surface of the fan body, a motor is installed on the inner wall of the fan body, fan blades are rotatably connected to the lower surface of the motor, an air blowing opening is formed in the lower surface of the fan body, a rotating bearing is rotatably connected to the inner wall of the air blowing opening, a