Solar grain drying apparatus

Details Solar grain drying apparatus Solar grain drying apparatus

1976-04-12

1977-09-06

Sprague, Kenneth W.

Drying and gas or vapor contact with solids

Apparatus

Solar

126270, F26B 1900, F24J 302

Patent

active

040458806

ABSTRACT:
A grain storage bin utilizing solar energy to heat air that is circulated through stored grain, having an outside sidewall constructed of heat absorbing material and forming a closed structure. A roof is disposed over the outside sidewalls. An inside sidewall forming a second closed structure is disposed inwardly from the outside sidewall, thereby forming a solar plenum between the outside and inside sidewalls. Air intakes are disposed within the outside sidewalls, thereby permitting ambient air to pass into the solar plenum. An air pervious floor is attached to the inside surface of the inside sidewalls and a grain chamber is formed by the inside sidewalls and the air pervious floor. An air circulating device is disposed within the grain bin for circulating ambient air through the air intakes, the solar plenum, the air pervious floor, the stored grain, and out of the grain bin.

REFERENCES:
patent: 2529621 (1950-11-01), Mayo
patent: 2688476 (1954-09-01), Mayo
patent: 3231986 (1966-02-01), Touton
patent: 3866334 (1975-02-01), Huang
patent: 3894345 (1975-07-01), Zeltmann
"Drying Crop with Solar Energy", Agricultural Research, vol. 8, May 1960, p. 14.

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