Fecha de publicación: 29/06/2021 Fuente: WIPO "circular economy" The utility model relates to the technical field of coal gasification waste residue comprehensive utilization, in particular to a coal gasification waste residue mud comprehensive utilization device which comprises a shell, an ash hopper is fixedly connected to the shell, an ash outlet is fixed to the lower end of the ash hopper, a baffle is inserted into the lower end of the ash outlet, supporting legs are fixed to the four corners of the upper end of the shell, and a filter plug is arranged in the shell. A washboard is arranged at the upper end of the filter plug, the left end of the filter plug is inserted into the strip-shaped groove and fixedly connected with a rack, the rack is meshed with a first gear, the first gear is fixed to the right end of a first motor, a first motor supporting leg is fixed to the upper end face of a first motor base plate, and the lower end of a second motor is fixedly connected with a second motor supporting leg. The second motor supporting leg is fixed to the upper end face of the second motor base plate. The device has the beneficial effects that the filtering speed of the coal gasification waste residue mud can be increased by adding the two filter plugs, the motor and the gear, and the filtering quality effect can be improved by matching with the washboard.