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Air Classifier Mill MJW-W

MJW-W air classifier mill is driven independently by the horizontal crushing disc and the classifying wheel, and the classification wheel is installed horizontally. The material is evenly fed into the grinding chamber by the feeding system, and is strongly impacted by the high-speed rotating crushing disc, and at the same time, it is subjected to centrifugal force and collides with the crushing ring gear. The comprehensive effect of various forces such as impact, shear, friction, and collision to make materials into powder. The ground material moves to the classification area with the airflow, and the coarse and fine materials are separated by the frequency conversion regulated classification wheel. The fine powder products that meet the fineness requirements are brought into the cyclone and dust collector by the airflow, and the coarse materials are returned to the grinding area for re-grinding.

Product features

  • Horizontal classification design, more suitable for ultra-fine powder production, performance comparable to German ZPS air classification mill.
  • The unique grinding structure and classofying structure design realize the unique grinding effect.
  • Special flow field design to avoid the accumulation of some materials with poor fluidity.
  • The classifying apex cutting is more precise and the particle size distribution of the product is narrower.
  • Easy to clean, suitable for the production needs of frequent replacement of materials.

Working Principle

The material is uniformly sent into the grinding chamber by the feeding system, and is strongly impacted by the high-speed rotating grinding disc. At the same time, it is subjected to the centrifugal force to collide with the crushing ring gear, and is subjected to various comprehensive forces such as shearing, friction, and collision. The material is ground, and the crushed material moves to the classification area with the airflow. The coarse and fine materials are separated through the classification wheel adjusted by the frequency conversion. The products that meet the fineness requirements enter the cyclone collector and the dust collector with the airflow for collection, and the coarse particles return to the grinding area to continue shattered.

Product parameters

Parameter Model 300 400 500 600 700 1000 1250 1500
Grinding Motor Power(kW) 7.5 22 30 37 45 75-90 132-160 200-250
Rotating speed(rpm) 7500 4800 4200 3500 3000 2100 1800 1500
Classifying Motor Power (kW) 3 5.5 7.5 15 15 22 30 45
Rotating speed(rpm max) 8500 6000 4650 4000 3300 2400 1900 1500
Draft Fan Air volume(m³/h max) 600 1800 3000 4000 4500 7500 12000 16500
Fineness (μm) 5-300 5-300 5-300 5-300 5-300 5-300 5-300 5-300
Capacity Capacity(kg/h) 2-100 10-1000 15-1500 18-1800 20-2000 45-4500 75-7500 100-10000

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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