Tower grain dryer with improved heat reclamation and counter-flow cooling section

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United States of America Patent

PATENT NO 9863703
APP PUB NO 20150241123A1
SERIAL NO

14618810

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Importance

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Abstract

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A grain drying tower comprises a heater and blower separating a heating plenum and a cooling plenum. The dryer is provided with a heat reclamation/heat recycling system and/or counter-flow cooling to reduce the energy requirements of the tower dryer. The heat reclamation system comprises a chamber external to the outer wall of the tower and which is and located at a point along the drying path. The bottom of the chamber is open to the atmosphere. Hot exhaust air enters the heat reclamation chamber at the top of the chamber and is drawn back into the tower by the blower as the exhaust air exits the open bottom of the chamber. In the counter-flow, the walls defining the grain path of the in the cooling section are not air permeable, and air is drawn into the cooling section through outer wall ducts which are closed at the inner wall. The entering air travels up through heated grain to be warmed, and then enters the plenum through inner wall ducts, which are closed at the outer wall of the tower.

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Patent Owner(s)

Patent OwnerAddress
THE GSI GROUP LLC1004 E ILLINOIS ST ASSUMPTION IL 62510

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Morrison, David Carlinville, US 27 503

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