It adopts blade cutting, high-speed airflow impact and collision dual crushing functions in one, and can complete the micro-material sorting process at the same time. During the cutting and crushing process of the blade, the rotor generates a high-speed airflow, which rotates with the cutting direction of the blade, and the material is accelerated in the airflow, and repeated impact causes the material to be double crushed at the same time, which accelerates the crushing rate of the material.