Method of and plant for combustion of water-vapor generating fue

Details Method of and plant for combustion of water-vapor generating fue Method of and plant for combustion of water-vapor generating fue

1984-02-13

1985-09-24

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39464, 55 73, 423242, F02C 326

Patent

active

045426210

ABSTRACT:
During combustion of a water-vapor generating sulfur-containing fuel, the pressurized flue gases are cooled, while extracting the main part of the latent heat of evaporation of the water vapor included and while removing sulfur impurities, using a coolant liquid in drop form in a scrubber. After having passed through the scrubber, the flue gases are mixed with a proportion of heated flue gases, which have previously passed through the scrubber, so that the temperature of the flue gases after said mixing exceeds the dew point for sulfuric acid in the flue gases. The flue gases are then heated in a heat exchanger and are thereafter expanded in an expansion machine to atmospheric pressure while reducing their temperature again without falling below the dew point for sulfuric acid.

REFERENCES:
patent: 3531664 (1970-09-01), Hals
patent: 3839849 (1974-10-01), Maniya
patent: 4048286 (1977-09-01), Rossmaier
patent: 4078390 (1978-03-01), Duvall
patent: 4150953 (1979-04-01), Woodmansee

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