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Spiral Jet Mill - MQP

MQP disc jet mill, also known as spiral jet mill, the basic principle is: use the negative pressure generated by compressed air to suck the material in the hopper into the flat grinding chamber; The high-speed airflow (sonic speed or even supersonic speed) collides and crushes each other, and the materials that reach a certain particle size will approach the center of the grinding chamber due to the reduction of centripetal force, and will be discharged from the grinding chamber with the flow of airflow, and then enter the cyclone and dust collector.

Product features

  • Without any rotating parts, CNC precision machining, no welding seam, easy to clean.
  • No medium grinding, the grinding chamber can be protected by stainless steel and wear-resistant ceramics to ensure product purity.
  • Low temperature grinding, especially suitable for grinding heat-sensitive, low-melting, sugar-containing and volatile materials.
  • The grinding process is extremely short, the crushing efficiency is high, and the over-grinding is less.
  • Suitable for grinding, dispersing and depolymerizing, and particle shaping of materials with various hardness.
  • The whole system is closed, without dust, low noise and easy to operate.

Working Principle

Compressed gas is used to pass the feeder ejector to bring the ground raw materials into the grinding chamber, and driven by the high-speed airflow from multiple nozzles, it is sprayed on the grinding wall in a tangential manner to achieve the effect of friction grinding. By adjusting the longitudinal depth of the grinding chamber, adjusting the grinding pressure or feeding speed, the fineness of grinding can be controlled. Compared with the fluidized bed jet mill, the controllability of the pulverization fineness is less.

Product parameters

parameter/ Model MQP01 MQP02 MQP03 MQP06 MQW10 MQW15 MQW20 MQW30 MQW40 MQW60
Feeding Size(mm) < 2 <2 <5 <2 <3 <3 <3 <3 <5 <5
Particle size(D97:μm) 8~150 8~150 8~150 8~150 8~150 8~150 10~150 10~150 10~150 10~150
Production Capacity(kg/h) 5~15 5~100 10~200 20~400 50~800 150~1500 300~2000 150~1500 300~2000
Air consumption(m³/min) 1 2.5 3 6 10 15 20 30 40 60
Air pressure(Mpa) 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85 0.7~0.85
Installed power (kw) 7.5 15~20 26~37 30~37 65~85 85~100 120~142 175~200 276~310 402~427

Note: The production capacity is closely related to the particle size, specific gravity, hardness, moisture and other indicators of the raw materials. The above is only for selection reference.

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