FIELD: process engineering.
SUBSTANCE: invention relates to separator of grain and other loose materials and may be used in agriculture, flour-and-cereals industry, etc. Proposed separator operates using upflow formed by front, rear and lateral walls and comprises screen inclined from front wall to sear wall and intake and discharge openings. At least one rotary ledge is arranged on screen surface to adjust grain height h for not over tenfold mean grain thickness and provided with gummed layer on its outer surface. At least one holes is made in screen nearby ledge base with its diameter not exceeding eightfold grain thickness to remove heavy inclusions. Said ledge is oriented relative to channel sidewall at the angle other than right angle. Said ledge has base made from steel plate. Said ledge is attached to screen base and channel side walls by means of rod extending along ledge center. Gummed layer is arranged on ledge side counter grain motion.
EFFECT: higher efficiency of separation reduced damages of cereals.
6 cl, 3 dwg
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