Coal-feeding mechanism for a fluidized bed combustion chamber

Details Coal-feeding mechanism for a fluidized bed combustion chamber Coal-feeding mechanism for a fluidized bed combustion chamber

1979-08-13

1981-06-02

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110259, 110270, 110293, F23G 500

Patent

active

042704693

ABSTRACT:
The present invention is directed to a fuel-feeding mechanism for a fluidized bed combustor. In accordance with the present invention a perforated conveyor belt is utilized in place of the fixed grid normally disposed at the lower end of the fluidized bed combustion zone. The conveyor belt is fed with fuel, e.g. coal, at one end thereof so that the air passing through the perforations dislodges the coal from the belt and feeds the coal into the fluidized zone in a substantially uniform manner.

REFERENCES:
patent: 1630387 (1927-05-01), Jacobus
patent: 2476567 (1949-07-01), Sparks
patent: 2491547 (1949-12-01), Bennett et al.
patent: 2693173 (1954-11-01), Marquez, Jr.
patent: 2730997 (1956-01-01), Birkner
patent: 2795200 (1957-06-01), MacDurquhart
patent: 2932264 (1960-04-01), Hurst
patent: 3861331 (1975-01-01), Saitoh et al.
patent: 4142625 (1979-03-01), Bourgeois

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