Combustion – Process of combustion or burner operation – Feeding flame modifying additive
Patent
1991-10-24
1994-02-08
Price, Carl D.
Combustion
Process of combustion or burner operation
Feeding flame modifying additive
431190, 431351, F23J 700
Patent
active
052844374
ABSTRACT:
To minimize the NO.sub.x emissions by means of water in the combustion of a fuel, without incurring the risk of higher CO emissions arising instead, the sensitive ignition zones of a burner (A) are penetrated by compact water jets (11) (solid jets) at the point where a freshly fed fuel/air mixture is continuously ignited anew, in such a way that these zones are not disturbed. In this way, instabilities, flame pulsations and/or poor burn-out, which are responsible for a rapid increase in CO emissions during combustion, are prevented. In the interior of the flame, the water jets (11) then burst open and the water is distributed exactly where it counteracts the NO.sub.x emissions.
REFERENCES:
patent: 3021673 (1962-02-01), Mock
patent: 3748080 (1973-07-01), Donn
patent: 3797992 (1974-03-01), Straitz, III
patent: 3861857 (1975-01-01), Straitz
patent: 4932861 (1990-06-01), Keller et al.
patent: 5044935 (1991-09-01), Peter
"Gas Turbine Combustion", A. H. Lefebvre, Hemisphere Publishing, McGraw-Hill, pp. 484-487.
Jap. Abstract, vol. 3, No. 84, Jul. 1979-"Burner Equipment".
Jap. Abstract, vol. 4, No. 143, Oct. 1980-"Combustor".
Asea Brown Boveri AG
Price Carl D.
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