FIELD: agriculture; food production.
SUBSTANCE: machine for separating harmful impurities from grain seeds by specific gravity in an aqueous solution of inorganic salt consists of a frame and a bath located on it, a loading hopper with an outlet window equipped with an adjustable valve, seed and waste conveyors with scrapers installed at regular intervals along their length in the form of blades attached to closed traction chains that go around the drive and driven sprockets. Gap Δ between the bottom of the bath and the working edge of the scrapers of the seed and waste conveyors is no more than the thickness of a grain of grain seeds. The outlet window with the adjusting flap of the loading hopper is equipped with a cyclic grain supply device, consisting of a hinged rotary valve having a lever rigidly connected to its axis, connected to a spring and to an adjusting pusher, the other end of which is connected through a double-armed lever to a waste conveyor mounted on the drive shaft cam mechanism with one or more rollers.
EFFECT: improve the quality of purification of grain crop seeds from harmful impurities (poisonous weed seeds, ergot sclerotia and smut).
1 cl, 1 dwg
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|---|---|---|---|
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|
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| MACHINE FOR SEPARATION OF ERGOT FROM RYE SEEDS | 2017 |
|
RU2701905C2 |
| MACHINE FOR SEPARATING ERGOT FROM RYE SEEDS | 2015 |
|
RU2616037C1 |
