Importance

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Abstract

A generally vertically disposed bin arranged to receive grain to be dried. Moist grain enters the bin through the top at which point it is distributed relatively uniformly over the full planar area thereof. The bin is equipped with a first floor having air passage perforations therein. The first perforated floor is adapted to carry a substantial column of the moist grain thereon which is subjected to the passage of hot air moving upwardly therethrough. An auger sweep is arranged and constructed to regularly remove portions of the grain lying closest to the surface of the perforated first floor and discharge that grain downwardly through a passageway in the first floor where it is distributed relatively uniformly over a substantial column of grain carried on a second floor spaced beneath the first floor in the bin. The second floor also has air passage perforations therein to permit passage upwardly therethrough of cool air. An auger sweep is arranged and constructed to regularly remove portions of the grain lying closest to the surface of the perforated second floor and discharge that grain downwardly through a passageway in the second floor where it is deposited on a radially disposed conveyor in the bin below the second perforated floor to deliver the grain out of the bin.

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First Claim