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Pin Mill

The pin mill also categorized as a disc mill is a kind of milling equipment that can break up cellular materials selectively without damaging the starch granules. It consists of two horizontal steel plates with vertical projections arranged in concentric circles on opposing faces and becomes more closely spaced towards the periphery.According to different materials and application industries, the production capacity and particle size range will be different.Please contact our engineers to customize the equipment for you. Our experts will contact you within 6 hours to discuss your needs for machine and processes.

Product features

  • Pin type crushing disc, no screen structure, fast speed, large capacity and low heat generation.
  • Single power or double power can be selected, the line speed can reach up to 240m/s, strong impact force and shear force, and the product particle size is fine.
  • It is suitable for dispersing and deagglomerating
  • It is suitable for continuous high-speed mixing for ultrafine powder and liquid, and particle surface coating modification.
  • It can be equipped with an air classifier to control the product fineness.
  • Compact in structure, the mill is extremely easy to disassemble and clean.

Working Principle

The classifier and cyclone separator, dust collector and induced draft fan form a classifying system.

Under the action of fan suction, the material is moved from the lower inlet of the classifier to the classifying zone with the ascending airflow. Under the strong centrifugal force generated by the high-speed rotating turbine, the materials are separated and the fine particles which meet size requirements through the classifier impeller gap into the cyclone separator or the dust collector, the coarse particles entrained part of the fine particles collided with the wall and the velocity disappeared, descending along the cylinder wall to the secondary air outlet, and the coarse and fine particles were separated by the strong washing action of the secondary air. The fine particles rise to the classification zone for secondary classifying, and the coarse particles are lowered to the discharge port for discharging.

Product parameters

Type Model 250 400 500 630 800
Coarse powder Fineness(mesh) 20 - 200 20 - 200 20 - 200 20 - 200 20 - 200
speed(m/s) 75 - 85 75 - 85 75 - 85 75 - 85 75 - 85
power(kw) 7.5 18.5 22 37 55
Fine powder Fineness(mesh) 60 - 300 60 - 300 60 - 300 60 - 300 60 - 300
speed(m/s) 100 - 120 100 - 120 100 - 120 100 - 120 100 - 120
power(kw) 15 30 37 55 75
Ultra fine powder Fineness(mesh) 100-2500 100-2500 -- 100-2500 100-2500
speed(m/s) 200-240 200-240 -- 200-240 200-240
power(kw) 15 x 2 30 x 2 -- 55 x 2 110 x 2

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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Our experts will contact you within 6 hours to discuss your needs for machine and processes.