Steam generator having a circulating bed combustion system and m

Details Steam generator having a circulating bed combustion system and m Steam generator having a circulating bed combustion system and m

1987-07-24

1988-06-07

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

16510416, F22B 100

Patent

active

047489405

ABSTRACT:
In case of a steam generator having a circulating atmospheric or pressurized fluidized-bed combustion system, normally a fluidized-bed combustor, at least one separator, at least one fluidized-bed cooler connected to said separator and adapted to be fed by a part stream of the solids separated from the combustion and fluidization gases, and a waste-heat boiler pass are provided. In these elements feed water, evaporator and reheating surfaces are arranged. Together with a reheater heating surface at least one superheater heating surface is arranged in the fluidized-bed cooler and an adjustable by-pass line is associated to the reheater heating surface to allow a simple and quick control of the combustion while simultaneously offering a simple control of the outlet temperature of the reheater.

REFERENCES:
patent: 4312301 (1982-01-01), Anson
patent: 4473032 (1984-09-01), Maintok
patent: 4709663 (1987-12-01), Larson et al.

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