Low NOx regenerative burner

Details Low NOx regenerative burner Low NOx regenerative burner

1991-04-03

1993-01-19

Price, Carl D.

Combustion

Combustion products return structure

431116, 431166, 431187, 431215, 432180, F87D 1700

Patent

active

051803003

ABSTRACT:
A regenerative burner having heat storage units with combustion effluent/combustion air ducts therethrough, fuel intake means and a burner body, wherein the burner is designed to suppress NOx formation and to control flame shape and characteristic in the regenerative system during combustion. The regenerative burner may include a burner baffle, or may include a plurality of gas jets entrained in generally converging fashion for control of the flame characteristics and shape dispositive of NOx formation. The burner may provide for staged combustion, either by means of sequential fuel injection or sequential provision of combustion air, or the burner may depress NOx formation by vitiation of combustion air with products of combustion. The present regenerative burners suppress NOx formation yet preserve the remaining characteristic features of regenerative systems.

REFERENCES:
patent: 1079642 (1913-11-01), Egler
patent: 1279697 (1918-09-01), Hook
patent: 3676060 (1972-07-01), Bedetti
patent: 4060379 (1977-11-01), LaHaye et al.
patent: 4358268 (1982-11-01), Neville
patent: 4730599 (1988-03-01), Kendall et al.

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