Pulverizer

The invention relates to a pulverizer, and belongs to the technical field of calcium gluconate processing. The pulverizer comprises a screening structure and a feeding mechanism, wherein the screeningmechanism comprises a screening wheel, the screening wheel comprises a first fixing ring, a second fixing ring and striker plates, the first fixing ring and the second fixing ring are coaxially arranged, the two sides of each striker plate are connected with the first fixing ring and the second fixing ring, the striker plates are obliquely arranged in the circumferential direction of the first fixing ring, a gap used for material leakage is formed between every two striker plates and faces the rotating direction of a rotor, the striker plates are divided into the head ends and the tail ends,the head ends face the circle center, and the tail ends are far away from the circle center, the head ends and the tail ends of the adjacent striker plates are arranged in an overlapped mode, and thefeeding mechanism comprises