Burner for coal, oil or gas firing

Details Burner for coal, oil or gas firing Burner for coal, oil or gas firing

1988-10-20

1990-04-10

Green, Randall L.

Combustion

Separately supplied or controlled, physically related flame...

Coaxial

431354, 431187, 110264, 110265, 239427, F23Q 900, F23D 102

Patent

active

049156195

ABSTRACT:
An improved burner having a very particularly designed gas element for the combustion of coal, oil or gas places a plurality of retractable and rotatable gas elements in close proximity to the outlet end of a tubular burner nozzle of the burner which are shielded from combustion air provided around the tubular burner nozzle by a flame stabilizing ring having a plurality of openings adapted to closely receive each of the plurality of retractable and rotatable gas elements. Eddies produced by the flame stabilizing ring create a low oxygen/fuel rich flame resulting in reduced NO.sub.x formation.

REFERENCES:
patent: 4699587 (1987-10-01), Shimoda et al.

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