Combustion process for reducing nitrogen oxides

Details Combustion process for reducing nitrogen oxides Combustion process for reducing nitrogen oxides

1980-08-05

1983-09-13

Scott, Samuel

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431 12, 431165, 431174, 431351, 110347, F23N 102

Patent

active

044039417

ABSTRACT:
A combustion process for reducing nitrogen oxides in combustors is proposed wherein combustion takes place successively forming an incomplete combustion zone, a reducing combustion zone, and a complete combustion zone, respectively corresponding to primary burners, secondary burners and air ports or after-burners, successively arranged in the direction of gas stream in a furnace. According to the present invention, it is possible to reduce nitrogen oxides by improving a manner of combustion without providing any denitrating apparatuses for exhaust gas.

REFERENCES:
patent: 3727562 (1973-04-01), Bauer
patent: 3890084 (1975-06-01), Voorheis et al.
patent: 3948223 (1976-04-01), Benson
patent: 4050877 (1977-09-01), Craig et al.
patent: 4095928 (1978-06-01), Jones et al.
patent: 4117075 (1978-09-01), Sano
patent: 4240784 (1980-12-01), Dauvergne
patent: 4250820 (1981-02-01), Lautenschlager

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