FIELD: agriculture.
SUBSTANCE: proposed invention relates to post-harvest cleaning of grain. An air-sieve grain cleaning machine comprises a vibrating chute, an aspiration channel, a fan, sedimentary chamber compartments, outlet channels, and two parallel sieve mills. Sieve mills comprise two sieve modules. The upper module comprises one fractional sieve for dividing the grain flow into coarse and fine fractions and two sorting sieves for cleaning coarse grains, and the lower module comprises three sorting sieves for cleaning fine grains.
EFFECT: improved quality of air-sieve grain cleaning.
1 cl, 1 dwg
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