Fecha de publicación: 19/03/2024 Fuente: WIPO "circular economy" The utility model discloses a waste recovery crushing device which comprises a supporting plate, a crushing box is fixedly connected to one end of the outer side wall of the supporting plate, first supporting columns are symmetrically installed on the surface of the bottom of the crushing box, and a motor is fixedly connected to the end, away from the crushing box, of the supporting plate. Second supporting columns are symmetrically mounted at the large end, close to the crushing box, of the supporting plate, a crushing bottom plate is fixedly connected to the top surfaces of the second supporting columns, a baffle is fixedly connected to the top surface of the crushing bottom plate, and a rotating rod is fixedly connected to the output end of the motor. A driving gear is fixedly connected to the end, away from the motor, of the rotating rod, a driven gear is connected to the end, away from the rotating rod, of the driving gear in an engaged mode, and a reciprocating lead screw is fixedly connected to the middle of the top surface of the driven gear, so that concrete crushing can be more convenient and faster, and meanwhile the workload of workers is reduced; and the working efficiency of workers is improved.