Furnaces – With exhaust gas treatment means
Patent
1990-10-09
1992-07-14
Favors, Edward G.
Furnaces
With exhaust gas treatment means
55 23, 55 57, 55 80, 55269, 110216, 110345, 122 20B, F23J 1500
Patent
active
051293315
ABSTRACT:
An apparatus for separating and recovering effluent gases from a furnace includes a pressure vessel for containing the gases. This vessel has a fluid input for receiving the gases and a fluid output for selectively removing the gases when they are separated. A condenser is provided to transform and maintain the lowest vapor pressure gas as a liquid so that it accumulates as a liquid at the bottom of the vessel. The remaining non-condensed effluent gases accumulate in strata above the liquid. Apparatus is provided to selectively remove the liquid and at least one of the remaining non-condensed gases from the vessel through the fluid output. Also set forth is a method for recovering effluent gases from a furnace including the steps of adding the gases to a pressure vessel, altering the density of the gases so that the lowest vapor pressure gas condenses into a liquid and the non-condensed gases stratify above the liquid. Then the liquid is removed from vessel and optionally expanded to cool the vessel. Finally, at least one stratified non-condensed gas is selectively removed from the vessel.
REFERENCES:
patent: 4531951 (1985-07-01), Burt et al.
patent: 4539817 (1985-09-01), Staggs et al.
patent: 4660511 (1987-04-01), Anderson
patent: 4681612 (1987-07-01), O'Brien et al.
Blake Alexander
Merritt Thomas D.
Favors Edward G.
Silverman M. K.
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