Combustion chamber having beds located one above the other and a

Details Combustion chamber having beds located one above the other and a Combustion chamber having beds located one above the other and a

1985-11-18

1986-09-30

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

110245, 16510416, 422142, B09B 300

Patent

active

046141677

ABSTRACT:
A boiler plant with a multi-fluidized-bed combustion chamber comprising a first bed in a lower combustion space and a second bed in an upper combustion space and with nozzles in the support means for the beds for injection of combustion air into the first bed and combustion gases into the second bed for fluidization of the bed material therein. The plant is equipped with bed material transport devices for transferring bed material from the lower combustion chamber to the upper combustion chamber or vice versa. Further, measuring means is provided for measuring the temperature and depth of the lower bed, and signal processing and control means are provided for adapting the depth of the lower bed in dependence on plant load and bed temperature.

REFERENCES:
patent: 3431892 (1969-03-01), Godel
patent: 3823693 (1974-07-01), Bryers et al.
patent: 3902462 (1975-09-01), Bryers
patent: 4279205 (1981-07-01), Perkins et al.
patent: 4476816 (1984-10-01), Cannon et al.

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