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This unit combines impact grinding and air classification

By Chemical Engineering |

Kason

Kason

The model CAM 1300 air classifier mill (photo) combines impact grinding and air classification in one machine to produce fine powders with narrow particle-size distribution, at throughput rates up to 16.5 ton/hour. Intended for bulk foods, pharmaceuticals, chemicals, epoxy resins, powder coatings and mineral applications, the mill allows control of the air flowrate and grinding temperature to condition heat-sensitive or hygroscopic materials. Material enters the milling chamber where a spinning rotor impacts the particles against grinding segments inside of the chamber wall by centrifugal force. A rising column of air lifts the particles into the rotating classifier wheel, separating on-size material and directing it to the process air stream for collection or further processing. Over-size material returns by gravity into the path of the spinning rotor for further grinding. Particle size is readily controlled by varying the rotor speed, classifier speed, air flowrate and feedrate, eliminating the need for separate classification equipment. — Kason Corp., Millburn, N.J.

www.kason.com

 

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