Drying and gas or vapor contact with solids – Process – With fluid current conveying or suspension of treated material
Patent
1994-09-08
1995-08-22
Gromada, Denise L.
Drying and gas or vapor contact with solids
Process
With fluid current conveying or suspension of treated material
34 65, 34168, 34170, 34364, 34579, 34589, F26B 308
Patent
active
054435390
ABSTRACT:
This invention relates to a dryer for uniform drying of moisture laden particulate material. The dryer comprises a substantially vertical tower having a top, a bottom, side walls, a moist material inlet, a moist material distribution section below the inlet, a drying section below the distribution section and a cooling section below the drying section. The drying section contains a heated air inlet and air exhaust assemblies, wherein the air exhaust assemblies are formed from a plurality of discharge chambers extending horizontally across the tower between the side walls for flow of particulate material therebetween. Each discharge chamber contains at least one horizontally disposed exhaust tubular member having an aperture in the lower portion of the tubular member for exhausting air. Each discharge chamber also contains at least one aperture in the upper portion thereof for receiving air. The aperture in the discharge unit is covered by a foraminous member sized to substantially limit the amount of particulate material entering the aperture of the discharge chamber.
REFERENCES:
patent: 2706343 (1955-04-01), Oholm
patent: 4086708 (1978-05-01), Westelaken
patent: 4125945 (1978-11-01), Westelaken
patent: 4398356 (1983-08-01), Westelaken
patent: 4423557 (1984-01-01), Westelaken
patent: 4424634 (1984-01-01), Westelaken
Gromada Denise L.
Tinker Susanne C.
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