Drying and gas or vapor contact with solids – Apparatus – Gravity flow type
Patent
1996-07-22
1998-01-20
Bennett, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Gravity flow type
34173, 34182, 34241, F26B 1712
Patent
active
057090351
ABSTRACT:
A counter flow cooler in which feed material is fed into the top inlet of the cooler and dispersed into a plurality of cooling chambers. At the bottom of each cooling chamber is a discharge grid which will discharge feed material uniformly over the area of the cooling chamber. The discharge rate of this discharge grid can be adjusted to the desired throughput of the cooler. Air is drawn through the bottom of the discharge grid and passes up through the feed material in a counter flow manner. That is, while the product is passing down through the cooler, the air is passing up through the feed material, carrying away heat and possibly. A feed controller is used to selectively direct feed material into the plurality of cooling chambers. When a second batch of feed material is to be introduced into the cooler, feed material to the first cooling chamber is stopped and all the feed material is directed into the second cooling chamber. When the first cooling chamber is empty, its discharge is closed and the new feed material is directed into the first cooling chamber and feed material to the second cooling chamber is stopped. When the second cooling chamber is empty, the new feed material can be directed into the second cooling chamber and discharge of the new feed material from the first cooling chamber can begin.
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patent: 5522152 (1996-06-01), Wollsey
patent: 5544423 (1996-08-01), Westelaken
Bennett Henry A.
California Pellet Mill Company
Gravini Steve
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