Fabric filter with fluidised dust-bed, and a method of...

Details Fabric filter with fluidised dust-bed, and a method of... Fabric filter with fluidised dust-bed, and a method of...

2011-07-05

2011-07-05

Clemente, Robert A (Department: 1775)

Gas separation

Multiple bag type filters in chamber

Partitioned bag filter chamber

C055S431000, C055S484000, C095S278000, C095S286000

Reexamination Certificate

active

07972399

ABSTRACT:
A fabric filter (1) has at least a first compartment (2) and a second compartment (4). A hopper (42) is adapted for fluidisation of dust collected in the compartments (2, 4) to form a bed (52) of fluidised dust. A partition wall (62) is located between the compartments (2, 4) to separate them from each other. A passage (68) is formed at a lower end (66) of the partition wall (62) such that fluidised dust may pass through said passage (68). The partition wall (62) is arranged to extend into the bed (52) of fluidised dust for forming a seal (74) even when one of the compartments (2, 4) has been shut off. When shutting off a compartment (4) the inlets and outlets to that compartment (4) are closed and the dust in the hopper (42) is fluidised to provide a seal (74) between the compartments (2, 4).

REFERENCES:
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patent: 4376638 (1983-03-01), Dunseith
patent: 5178652 (1993-01-01), Huttlin
patent: 5198002 (1993-03-01), Mei et al.
patent: 5591240 (1997-01-01), Ophardt et al.
patent: 5868807 (1999-02-01), Luy et al.
patent: 7300481 (2007-11-01), Scheuch
patent: 0053943 (1982-06-01), None
patent: 0467745 (1992-01-01), None
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patent: 2088244 (1982-06-01), None
PCT International Search Report (PCT/SE2006/001412) dated Mar. 23, 2007.

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