Triple-effect stirring device of denitration catalyst mixing mill

The utility model discloses a triple-effect stirring device of a denitration catalyst mixing mill, which comprises a machine body, a feed port arranged at the top of the machine body, support legs arranged at the bottom of the machine body, a crushing device and a stirring device, the crushing device comprises a box body arranged below the inlet material, an upper crushing roller and a lower crushing roller are horizontally arranged in the box body, and a plurality of crushing cutters are arranged on the surfaces of the upper crushing roller and the lower crushing roller in a staggered manner; the stirring device comprises a stirring box arranged below the smashing device, a telescopic rod is hinged to one end of the bottom face of the stirring box, the bottom end of the telescopic rod is fixedly connected with the bottom of the machine body, an arc-shaped upper protruding block is fixedly arranged on the bottom face of the stirring box, and an arc-shaped lower protruding block in rolling fit with the arc-sha