Drying and gas or vapor contact with solids – Apparatus – With fluid current conveying of treated material
Reexamination Certificate
2007-05-14
2009-08-25
Lu, Jiping (Department: 3743)
Drying and gas or vapor contact with solids
Apparatus
With fluid current conveying of treated material
C034S586000, C034S589000, C034S168000
Reexamination Certificate
active
07578073
ABSTRACT:
This invention relates to an appliance (1) for the removal of fluids and/or solids from a mixture of particulate materials with a container (2) that constitutes a ring-shaped processing space (20) with a cylindrical outer contour with devices for the charging and discharging of the particulate material into and out of the processing space (20) and with a fan device (5) for supplying a fluidization agent from underneath into the processing space (20) as well as devices (6) for the processing of the fluidization agent in the flow direction in front of the fan device, whereby in the processing space (20), cells (15, 16, 17) are formed extending in the vertical direction where one cell constitutes a discharge cell (17) through which there is no fluidization agent flow from underneath where at the lower end of the discharge cell the discharge device is arranged and where another cell (15) is provided with a charge device and where the cells (15, 16, 17) are open at their upper ends in order to facilitate transport of the material to the discharge cell (17), whereby above processing space (20), there adjoins twist scoops (9) that are inclined or curved in the flow direction from the charge cell (15) to the discharge cell (17), the outside diameter of which cells is not greater than the outside diameter of processing space (20) and that are surrounded by an outer jacket (3) that does not radially protrude over the outer jacket (3) of processing space (20).
REFERENCES:
patent: 3292350 (1966-12-01), Tasset
patent: 4444129 (1984-04-01), Ladt
patent: 5289643 (1994-03-01), Jensen
patent: 6154979 (2000-12-01), Jensen
patent: 299 24 384 (1999-07-01), None
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patent: 0 153 704 (1985-02-01), None
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patent: WO 92/01200 (1992-01-01), None
patent: WO 92/01201 (1992-01-01), None
A Search Report issued by the European Patent Office on Aug. 1, 2007, pp. 1 to 5.
Caspers Gerald
Krell Lothar
Braunschweigische Maschinenbauanstalt AG
Lu Jiping
Whitham Curtis Christofferson & Cook, P.C.
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