As a common device that produces superfine materials, supersonic jet mill is involved in many safety problems during the process of crushing, such as the hazards of powder and noise.

• 超音速气流粉碎机是一种常用的生产超细粉体的设备,粉碎过程中涉及到许多安全问题,如粉尘的危害,噪音危害等。