FIELD: farming; food-processing , chemical and other industries. SUBSTANCE: proposed device includes bin, working member made in form of cone with orienting chutes on its surfaces, nozzle for delivery of air flow, ready fraction receivers, vibration exciter and excessive pressure source. Vibration exciter is made in form of pneumatic flow-through chamber whose inlet is connected with air excessive pressure source through throttle valve of varying section. Located at outlet of flow-through chamber is nozzle made in form of two flat circular plates; upper plate is mounted for displacement relative to lower one and is rigidly connected with taper working member. EFFECT: enhanced accuracy of separation; simplified construction; extended functional capabilities. 2 dwg
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