Grain drying system and method

Details Grain drying system and method Grain drying system and method

1998-06-19

1999-10-05

Bennett, Henry

Drying and gas or vapor contact with solids

Process

Gas or vapor contact with treated material

34 77, 34493, 34491, F26B 300

Patent

active

059605588

ABSTRACT:
A in-bin grain drying system is the subject of the present invention. A boiler having a variable capacity Btu output heats an ethylene glycol/water heating fluid which is circulated through hydronic coils. Fans move ambient air through the hydronic coils and the dry heated air is circulated to the plenum of the grain bin. The air which enters the bin is less moisture laden than in other drying systems, particularly those which are heated by propane flame. The temperature of the returning fluid is sensed and a fuel supply controller adjusts the amount of fuel supplied to the boiler and thus the Btu output. Accordingly the desired temperature of the air entering the plenum chamber is constant regardless of ambient outside temperature or relative humidity.

REFERENCES:
patent: 4020565 (1977-05-01), Steffen
patent: 4043051 (1977-08-01), Lussenden
patent: 4205456 (1980-06-01), Ayers et al.
patent: 4257169 (1981-03-01), Pierce
patent: 4558523 (1985-12-01), Isbell
patent: 4583300 (1986-04-01), Mast
patent: 4593628 (1986-06-01), Henry
patent: 4800653 (1989-01-01), Steffen
patent: 5326543 (1994-07-01), Fiorenzano, Jr.

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