Circulating fluidized bed reactor

Details Circulating fluidized bed reactor Circulating fluidized bed reactor

1993-03-08

1994-01-04

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422139, 422141, 422146, 422200, 122 4D, 110245, 34 57A, F27B 1508, B01J 818, F22B 100, F23G 500

Patent

active

052757889

ABSTRACT:
A circulating fluidized bed reactor comprises a reaction chamber (10) with an upwardly directed flow of gas with entrained particulate solid material, a separator (18) for separating the particles from the gas flow, and a particle recycling system (23) for controlled return of the particles to the reaction chamber (10). The particle recycling system (23) may comprise means (47) for controlled return of the particles in a non-cooled condition and superposed fluid beds (55 and 59) which may be connected in parallel or in series as described for returning particles to the reaction chamber in a more or less cooled condition. The reactor may also render it possible to return various fractions of the particles into the reactor chamber (10) at different levels.

REFERENCES:
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patent: 4154581 (1979-05-01), Nack et al.
patent: 4165717 (1979-08-01), Reh et al.
patent: 4548138 (1985-10-01), Korenberg
patent: 4699068 (1987-10-01), Engstrom
patent: 4709662 (1987-12-01), Rawdon
patent: 4709663 (1987-12-01), Larson et al.
patent: 4860693 (1989-08-01), Jarvstrat

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