Combustion method and apparatus for reducing emission concentrat

Details Combustion method and apparatus for reducing emission concentrat Combustion method and apparatus for reducing emission concentrat

1993-08-18

1994-10-11

Favors, Edward G.

Liquid heaters and vaporizers

Stand boiler

Fluid fuel burner

122 14, 1223673, F22B 502

Patent

active

053537483

ABSTRACT:
A combustion flame is distributed so as to cross a group of heat absorbing tubes arranged parallel to and spaced from one another, thereby cooling the combustion flame. A specific temperature zone of approximately 1000.degree. C.-1300.degree. C. for suppressing generation of NO.sub.x and accelerating oxidation of CO is locally formed within the heat absorbing tubes by decimating at least one tube. In the zone, CO generated upstream of the zone is oxidized by reacting with reaction radicals generated by combustion and/or oxygen.

REFERENCES:
patent: 4413590 (1983-11-01), Landreau
patent: 4499859 (1985-02-01), Nishiguchi et al.
patent: 5020479 (1991-06-01), Suesada et al.
patent: 5199384 (1993-04-01), Kayahara et al.

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