Application of ultrasonic vibrating screen in silicon powder industry
Application of ultrasonic vibrating screen in silicon powder industry
Silica powder is a non-toxic, tasteless, non-polluting inorganic non-metallic materials. Because of its excellent temperature resistance, acid corrosion, poor thermal conductivity, high insulation, low expansion, chemical stability, hardness and other excellent performance, is widely used in chemical, electronics, integrated circuits, electric equipment, plastics, paint, advanced paint, rubber, defense and other fields.From the granularity, the silicon powder is made from natural quartz, with 200 mesh, 300 mesh, 400 mesh, 500 mesh, 600 mesh, 800 mesh, 1000 mesh, 1250 mesh, 3000 mesh, 5000 mesh.which is a powder state. And the fineness of the micro-silica powder is less than 1 micron, accounting for more than 80%.and the average particle diameter is 0.1 to 0.3 micron, which is a gray state. Characteristics of silicon micropowder: particle size, suspension and dispersion.In the application of silicon powder, the need for the removal of silicon powder to remove some of the impurities in the silicon powder. In this process used a screening machine. As the characteristics of silicon powder itself makes the screening process prone to adhesion, friction, flat down, wedging result in the phenomenon of blockingscreen, making the equipment can not be carried out, the yield is too low and so on. According to this situation, DaYong Vibration recommend you use ultrasonic vibrating screen.
Ultrasonic vibrating screen is a high frequency electric energy that converts 220V, 50Hz or 110V, 60Hz power into 25-35khz, and thus achieves high efficiency screening and the purpose of cleaning the screen, which makes it easy to separate ultramicro fine powder sieve. A low amplitude and high frequency ultrasonic wave (mechanical wave) is introduced on the screen based on rotary vibrating screen to improve the screening performance of ultramicrosomes.ultrasonic vibration wave on the screen of traditional vibrating screen.The ultra-fine powder receives a huge ultrasonic acceleration, which keeps the material on the surface of the screen suspended, dealing with the sieving problem of strong adsorption, easy reunite, high electrostatic, high fine, high density, light weight . ultrasonic vibrating screen has been used: 400 mesh, 500 mesh, 600 mesh sieve ,such as silicon carbide, bamboo powder, alloy powder, molybdenum powder , stainless steel powder, tungsten powder, nickel powder, cobalt powder, carbon powder, powder coating, quartz powder, butyl ketone powder, malt powder, ribavirin, coffee powder, magnetic powder, anode materials, fluorescent powder.
Silica powder ultrasonic vibration sieve features:
1. Reduce or not generate clear screen;
2. does not produce pellets and other auxiliary materials on the powder pollution;
3. Keep the mesh size, stable sieve accuracy;
4. Decomposition of adhesion material, reducing sieve material;
5. Reduce the number of screening.
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