FIELD: bulk material grinding and drying equipment. SUBSTANCE: jet apparatus has feeding hopper with auger-type dozer, milling chamber connected to divider through pipeline equipped with branch pipe. Divider is connected to milling chamber via pipes and to gas purifying device. Metal rods are welded to outer side of auger-type dozer coil, with metal rods pitch being equal to 0.2-0.5 of auger diameter. Ratio of dozer housing section area and auger section area is 1.3-1.8. Section area of hopper adjoining to dozer may be equal to dozer housing section area. EFFECT: increased efficiency and simplified construction. 2 cl, 3 dwg
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