Low NO.sub.x burner

Details Low NO.sub.x burner Low NO.sub.x burner

1992-05-08

1993-07-06

Dority, Carroll B.

Combustion

Combustion products return structure

431207, 431190, F23L 700

Patent

active

052248518

ABSTRACT:
A novel fuel burner is disclosed for the combustion of fuel in the presence of flue gas and water added to the nozzle tip in a liquid phase through a water outlet means at the nozzle. Steam is used as an indirect heat exchange fluid to cool the steam to water (used in the combustion) and to heat the flue gas passed to the burner. The orifices of the water outlet means are configured to insure a sufficient amount of water flow to reduce NO.sub.x (by increasing the amount of flue gas) and to insure that the flame of the burner is not extinguished.

REFERENCES:
patent: 733463 (1903-07-01), Dennison
patent: 1441629 (1923-01-01), Picard
patent: 1575480 (1926-03-01), Herman
patent: 2894569 (1959-07-01), Jacolev
patent: 3463599 (1969-08-01), Welty
patent: 3589314 (1971-06-01), Ottensoos et al.
patent: 3797992 (1974-03-01), Straitz
patent: 3938934 (1976-02-01), Frondorf
patent: 4089639 (1978-05-01), Reed et al.

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