FIELD: crushing and milling. SUBSTANCE: gas jet-type nozzles are positioned in bottom part of milling chamber and communicate with energy carrier (compressed gas) through circular duct. Sieving zone is positioned higher than fluidizable layer of material fed from bin with the aid of charging transporter. Milled material goes through sieve and coarser particles move through by-pass, settle down in collector 4 and by dosing transporter ate fed into chamber for additional milling. EFFECT: enhanced milling reliability. 6 cl, 5 dwg
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