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Air Classifier Mill MJW-L

MJW-L air classifier mill is driven independently by the horizontal crushing disc and classifying wheel, and the classifying wheel is installed vertically. 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 the material 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 classifying 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

  • The design of the internal area and flow field is more flexible, and the scope of application is wider than that of the traditional air classifier mill.
  • Classifying wheels with different structures are suitable for powder products with different characteristics.
  • Low temperature design, suitable for high-efficiency grinding of heat-sensitive materials.
  • High temperature design, suitable for high-efficiency drying, grinding and dispersing of high-humidity materials.
  • Inert gas closed circuit design/pressure shock design, specially used for crushing flammable and explosive 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

Model 300 400 500 700 800 900 1000 1100 1250 1500 2000
Motor Power(kw) 7.5 22 30 45 55 75-90 90 110-132 160-200 250 355
Rotating speed(rpm) 7500 4800 4200 3000 2800 2350 2100 1920 1800 1500 1120
Motor Power(kw) 2.2 4 5.5 7.5 7.5-11 15 15-22 22-30 22-37 45-55 55-75
Rotating speed(rpm max) 4500 3250 3000 2920 2500 2200 2000 1800 1800 1500 1150
Fineness (μm) 5-300 5-300 5-300 5-300 5-300 5-300 5-300 5-300 5-300 5-300 5-300
Capacity (kg/h) 2-100 10-1000 15-1500 20-2000 25-2500 40-4000 45-4500 60-6000 75-75000 100-1000 15-15000

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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