Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1979-04-30
1981-03-03
Camby, John J.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
34 86, 34203, 34212, 34215, 34216, 34217, 432 82, 432150, 432219, F27B 900
Patent
active
042538254
ABSTRACT:
A grain drier comprising a plurality of horizontal conveyor belts arranged one above another in staggered relationship so that grain delivered to one end of the upper conveyor belt will drop onto the lower conveyor belt when it gets to the other end of the upper conveyor belt and will then travel along the lower conveyor belt in opposite direction before being discharged. Hot air is supplied by a hot air generator through conduits to a position below and along each of the conveyor belts, passes upwardly through the conveyor belts which are formed of wire mesh and through the grain thereon and is extracted through discharge conduits from above the conveyor belts. The flow rate and temperature of the hot air may be varied. Heat from the extracted air may be recovered and recycled into the hot air generator. Also heat from the dried grain may be recovered and reconducted by means of a blower fan through a conduit onto the incoming fresh grain.
REFERENCES:
patent: 2995829 (1961-08-01), Allen
patent: 3419338 (1968-12-01), Dirk et al.
patent: 4099338 (1978-07-01), Mullin
patent: 4126946 (1978-11-01), Buffington et al.
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