Pin mill

Impact Mill

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 various forces such as friction, shearing, and collision between the static disk and the ring gear, and is finally crushed.

Working Principle

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 various forces such as friction, shearing, and collision between the static disk and the ring gear, and is finally crushed. The crushing movable disk and static disk can be combined in different structures to meet the crushing requirements of different materials. The structural forms we currently design include: hammer type, pin type, turbine type, and grinding disc type.

pin mill630

Features And Benefits

  • It achieves smaller particle size than hammer mill at relatively reasonable energy consumption.
  • Recent advances have improved heat removal from the mill using cryogenic conditions.
  • Pin mill occupies little floor space.
  • It has a wide range of applications; can be used in milling dry, moist or slurry materials.
  • The two needle discs in the mill rotate at high speed in opposite directions;
  • The fineness of the product is achieved by adjusting the speed of the dial;
  • The machine is easy to clean, just open the grinding door;
  • No sieve, smooth discharge, high capacity and low operation cost; dual power can be used to achieve a linear speed above 200m/s to obtain greater crushing power.

Technical Parameters

Type Model 200 400 500 630 800
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) 11 30 37 55 75
Ultra fine powder Fineness(mesh) 100-2500 100-2500 100-2500 100-2500 100-2500
Speed(m/s) 200-240 200-240 -- 200-240 200-240
Power(kw) 11 x 2 30 x 2 -- 55 x 2 90 x 2

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