Liquid heaters and vaporizers – Miscellaneous
Patent
1983-08-01
1984-06-12
Favors, Edward G.
Liquid heaters and vaporizers
Miscellaneous
110245, F22B 100
Patent
active
044534957
ABSTRACT:
The invention comprises an integrated control means, and particularly at partial loads, for a steam generator having a circulating fluidized bed combustion system wherein gas recirculation means is used to supplement combustion air flow to maintain gas velocity in the circulation loop sufficient to entrain and sustain particle mass flow rate at a level required to limit furnace gas temperature to a predetermined value as 1550 F. and wherein gas recirculation mass flow apportions heat transfer from the gas and recirculated particles among the respective portions of the steam generator fluid heat absorption circuits, gas and circulating particle mass flow rates being controlled selectively in a coordinated manner to complement each other in the apportionment of heat transfer optimally among the fluid heat absorption circuits while maintaining furnace gas temperature at a predetermined set point.
REFERENCES:
patent: 3902462 (1975-09-01), Bryers
patent: 4145818 (1979-03-01), Kulcing
patent: 4240377 (1980-12-01), Johnson
patent: 4250839 (1981-02-01), Daman
patent: 4336769 (1982-01-01), Daman
patent: 4397267 (1983-08-01), Fink
Electrodyne Research Corporation
Favors Edward G.
Ruano William J.
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