Municipal sludge resource utilization composting device

The utility model relates to the technical field of sludge treatment, and discloses a municipal sludge resource utilization composting device which comprises a first treatment box, the top end of the first treatment box is connected with a connecting pipe, the top end of the connecting pipe is provided with a second treatment box, and the inner wall of the connecting pipe is provided with a filter screen. A driving assembly is installed at the center position of the second treatment box, an acceleration assembly is installed in a connecting pipe through the driving assembly and comprises a third stirring rod, and third stirring blades are connected to the surface of the third stirring rod. A motor II is started to drive a stirring rod II to rotate, the stirring rod II drives a main bevel gear to rotate, through meshing, the main bevel gear drives an auxiliary bevel gear to rotate, the auxiliary bevel gear drives a stirring rod III to rotate, and the stirring rod III drives a stirring blade III to rotate, so t