Drying and gas or vapor contact with solids – Apparatus – Houses – kilns – and containers
Patent
1998-04-03
2000-07-11
Bennett, Henry
Drying and gas or vapor contact with solids
Apparatus
Houses, kilns, and containers
34233, F26B 1900
Patent
active
060854391
ABSTRACT:
An apparatus for airing grains stored in bulk on a floor of a depot, including a tunnel comprising a duct made of half cylindrical shaped corrugated sheets. The corrugations are approximately sine-wave shaped and provide adequate reinforcement for supporting the weight of grain stored on top. Aprons anchor the duct to the floor, and the duct is connected to a blower which supplies air to the duct. The duct has an inner surface, an outer surface, and two longitudinal edges, with each of the longitudinal edges extending substantially parallel to one another and bear on the respective aprons anchored to the floor. The duct is provided with air outlet openings for injecting air into the grain, wherein the openings are located adjacent or near the longitudinal edges of the duct. Each apron comprises a substantially horizontal wing for anchoring the apron to the floor, thereby forming an air channel between the floor and the inner surface of the duct. The duct longitudinal edges bear perpendicularly on the respective horizontal wing of each apron. A second wing of each apron extends perpendicular to the horizontal wing up to a level at least approximately equal to the level of the air outlet opening.
REFERENCES:
patent: 2733521 (1956-02-01), Zollman
patent: 3531874 (1970-10-01), Sukup
patent: 4257169 (1981-03-01), Pierce
patent: 4306490 (1981-12-01), Kallestad et al.
patent: 4412392 (1983-11-01), Keller
patent: 4885985 (1989-12-01), Pollock
patent: 5632674 (1997-05-01), Miller, Jr.
Bennett Henry
Drake Malik N.
Haletec S.A.
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