Method for controlling the curing of field-harvested grains with

Details Method for controlling the curing of field-harvested grains with Method for controlling the curing of field-harvested grains with

1977-10-28

1979-04-10

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 32, 34 50, 34 76, 62176E, F26B 306

Patent

active

041481470

ABSTRACT:
A process for optimum usage of energy in the CURING of grain in a bin using free energy of atmospheric air. Optimum utilization of energy in the operation of ventilation fans and dehumidification of atmospheric air without waste of energy is achieved by operating fans and infrared emitters only when required as dictated by the measured temperature differential between the air entering and the air exhausting from the bin. As physiological activity and metabolic processes of the freshly harvested seeds decrease, as indicated by exchanges of heat and moisture between the seeds and the environment, the energy needed to maintain a biologically safe environment also decreases. Energy is considered to be wasted when it forcibly causes the seed to release moisture at a rate more rapid than would occur under average atmospheric conditions; further, required levels of ventilation and levels of dehumidification are variable according to levels of heat-loss obtained during ventilation and according to actual moisture content of the grain. An understanding of the interaction between grain and the atmosphere allows for optimum use of atmospheric resources, namely, sun, wind, and humidity of air, while minimizing energy inputs in their supplementation during the process of curing.

REFERENCES:
patent: 1119011 (1914-12-01), Grosvenor
patent: 2716289 (1955-08-01), Lauck
patent: 2799947 (1957-07-01), Elwess
patent: 3595028 (1971-07-01), Schrader
patent: 4043051 (1977-08-01), Lussenden

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