Slag crushing device for producing green high-strength gypsum-based composite material

The utility model relates to the technical field of gypsum, in particular to a slag crushing device for green high-strength gypsum-based composite material production, which comprises a base and a dust suction box, the top of the base is fixedly connected with a crushing barrel, the top of the crushing barrel is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with a crushing rod; and crushing blades are arranged on the outer sides of the crushing rods. According to the slag crushing device, suction force can be generated through the arrangement of the fan, the suction force is transmitted to the inner cavity of the crushing barrel through the dust suction pipe, dust generated in the crushing barrel in the crushing process is sucked in, the dust falling effect is achieved, the dust can be filtered through the arrangement of the activated carbon filter screen, and harmful substances in the dust can be adsorbed; the air pollutants can be used as volatile org