It is applicable to all kinds of metal and non-metallic separation, powder materials, granular materials and mixed materials, which are separated and sorted according to gravity, particle size or shape. It is used in grain selection and impurity removal, beneficiation, chemical engineering, waste wires copper and plastics sorting, waste circuit boards copper powder and resin powder sorting, separation and reuse of waste metal with specific gravity difference and waste plastics with specific gravity difference and other industries.