Inlet duct for recirculating grain dryers

Details Inlet duct for recirculating grain dryers Inlet duct for recirculating grain dryers

1979-05-29

1981-02-17

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Gravity flow type

34 65, 34174, 34211, 34212, F26B 1712

Patent

active

042506328

ABSTRACT:
An inlet duct is provided for recirculating grain dryers of the type which have a drying column area, and a recirculating blower mounted in a room portion of the dryer, with an open side of the room communicating with the drying column area. The inlet duct is connected with an intake portion of the recirculating blower, and has an open end thereof disposed adjacent to the open side of the room, whereby during a full recirculating condition of the grain dryer, air is drawn into the recirculating blower substantially wholly from the drying column area. The inlet duct has an aerodynamically streamlined interior shape with walls which taper inwardly toward the blower intake portion for efficiently guiding the flow of air from the drying column area directly into the recirculating blower intake.

REFERENCES:
patent: 884696 (1908-04-01), Wilson
patent: 1669012 (1928-05-01), Nordstrom
patent: 1926772 (1933-09-01), Hess
patent: 2701920 (1955-02-01), Campbell
patent: 3440734 (1969-04-01), Batterton et al.
patent: 3629954 (1971-12-01), Lavalier
patent: 4006536 (1977-02-01), Meiners
patent: 4048727 (1977-09-01), Botkins

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