Novel coal grinding device for chemical fertilizer production

The utility model relates to the technical field of chemical fertilizer production and processing devices. Wherein a shell cover is arranged at a top end opening of the shell cylinder, a stirring motor is mounted on the top end surface of the shell cover, a feeding hopper is arranged along one side of the stirring motor, a stirring shaft connected with the stirring motor is arranged below the shell cover, and a plurality of pushing fan blades are arranged on the side wall of the stirring shaft in the circumferential direction; the feeding inclined cylinder is fixed to the upper end of the inner side wall of the shell cylinder, a plurality of cutting blades are fixed to the top end of the feeding inclined cylinder in the circumferential direction, and bearing bosses are fixed to the bottomends of the cutting blades; the coal grinding box is fixed to the inner side wall of the shell cylinder along the lower portion of the bearing boss, and the lower end of an inner cavity of the coal grinding box is rotationall