Grate cooling device for cement production firing system

The utility model relates to the technical field of cement production, in particular to a grate cooling device for a cement production firing system. According to the technical scheme, the device comprises a box body and a conveyor, the conveyor is installed in the middle of one side of the box body, a feeding hopper is installed in the middle of the top of the conveyor, a supporting plate is installed at the position, close to the bottom, of one side of the box body, a supporting base is installed in the middle of the top of the supporting plate, and the top of the supporting base is connected to the lower surface of the conveyor; an air outlet pipe is installed in the middle of the top of the box body, a grate cooling plate B is installed in the middle in the box body through a rotating shaft, and a grate cooling plate A is installed on the side, away from the conveyor, in the box body and close to the bottom. The raw material cooling device solves the problems that an existing device cannot crush raw mater