FIELD: process engineering.
SUBSTANCE: invention relates to device designed to produce dispersed mineral products by grinding, sizing in flow classifier and sorting mineral stock. Proposed device comprises mill, flow classifier and dispersed air separation system. Electrostatic separation chamber is arranged between flow classifier and air separation system to separate foreign particles charged tribo-electrically in flow classifier.
EFFECT: increased tribo-electric charging of foreign particles in flow classifier.
8 cl, 4 dwg
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