Building material recovery device

The utility model discloses a building material recovery device, which belongs to the technical field of building material recovery, and is characterized by comprising a crusher body, the front side of the crusher body is fixedly connected with a dust falling assembly, the working position of the dust falling assembly is fixed through the crusher body, and the dust falling assembly is prevented from being separated from the working position; then dust falling operation on the flying dust is achieved through the dust falling assembly, the flying dust generated during crushing is prevented from scattering all around, so that the environment and the body health of operators are protected, building materials are crushed through the crushing assembly, follow-up treatment of the building materials is facilitated, finally, the crushed building materials are conveyed through the conveying assembly, and water for dust falling is loaded through the water tank; the working position of the water pipe is fixed, and then t