Grain dryer

Details Grain dryer Grain dryer

1991-06-24

1992-12-01

Hepperle, Stephen M.

Drying and gas or vapor contact with solids

Apparatus

Gravity flow type

34179, F26B 1714

Patent

active

051670810

ABSTRACT:
The apparatus provides a recirculating normal batch, concurrent flow, grain dryer and an alternate small batch countercurrent flow grain dryer. Hot drying air is provided by an external conventional burner and air fan. For the normal batch, the hot air is forced to a central plenum in the grain holding bin where it radiates outwardly into horizontal conduits then passes downwardly through the grain as it moves under gravity and exits at a lower lever to the atmosphere through horizontal conduits. The gravity forced flow of grain is recirculated to the bins upper area by a centrally located elevating auger. A pivotal roof portion of the hot air inlet flues when pivoted downwardly provides a countercurrent alternate path for the hot air for small batch drying. "V" plate ribs support an inverted "V" ring cone on the lower and inner cone of the bin for proper grain flow control.

REFERENCES:
patent: 3824705 (1974-07-01), Ives
patent: 4499669 (1985-02-01), Haeck
patent: 4869162 (1989-09-01), Schouten

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