Method of burning fuel with lowered nitrogen-oxides emission

Details Method of burning fuel with lowered nitrogen-oxides emission Method of burning fuel with lowered nitrogen-oxides emission

1980-06-03

1982-05-18

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

110263, 431 10, F23D 100

Patent

active

043299326

ABSTRACT:
A method of burning fuel with lowered emission of nitrogen oxides comprises feeding pulverized fuel to the main burner in a combustion furnace and additionally feeding pulverized fuel to the region of the furnace where the first fuel is about to conclude its combustion, using inert gas with or without a low oxygen content as a conveying fluid, while supplying oxygen or air to a region downstream of the region for fuel addition.

REFERENCES:
patent: 3727562 (1973-04-01), Bauer
patent: 3948223 (1976-04-01), Benson
patent: 4021188 (1977-05-01), Yamagishi et al.
patent: 4144017 (1979-03-01), Barsin et al.
patent: 4193773 (1980-03-01), Staudinger

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