Drying and gas or vapor contact with solids – Apparatus – Gravity flow type
Patent
1992-11-12
1994-12-27
Gromada, Denise L.
Drying and gas or vapor contact with solids
Apparatus
Gravity flow type
34172, 34436, 34429, 34 64, 34391, 414287, F26B 1712
Patent
active
053753429
ABSTRACT:
An apparatus is provided for cooling warm granular product. The apparatus includes a grate system having a first grate overlying and second grate. The first grate has a plurality of parallel generally spaced apart members, whereas the second grate has a plurality of parallel equally spaced apart beams. The first and second grate reciprocate relative to each other between a first position in which the product is retained on the grate system and a second position in which the product flows through the grate system. Each of the members in the first grate includes an air flow deflector defining a primary and secondary air outlets for dividing a flow of air into primary and secondary air streams. When the grates are in their relative second position, the secondary air stream is increased to minimize fluidization of the pellet product as it flows through the grate system.
REFERENCES:
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patent: 3710453 (1973-01-01), Whelpley
patent: 3833137 (1974-09-01), Mathews
patent: 4030206 (1977-06-01), Bode
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patent: 4455762 (1984-06-01), Saeman
patent: 4683665 (1987-08-01), Geelen
patent: 4869162 (1989-09-01), Schouten
patent: 4991315 (1991-02-01), Falck
Donmar Welding & Fabricating Ltd.
Gromada Denise L.
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