Burner flameholder

Details Burner flameholder Burner flameholder

F - Mech Eng,Light,Heat,Weapons

23

D

158/67

F23D 11/38 (2006.01) F23C 5/00 (2006.01)

Patent

CA 1065243

Abstract A burner for air-fuel mixtures, having a flameholder provided with closely spaced apertures and means for forcing an air-fuel mixture under pressure through the apertures of the flameholder, has an improved flameholder characterized by structure which produces, in successive zones of the flameholder, a. progressive inhibiting of the velocity of flow of the air- fuel mixture from the apertures in a waveform differential velocity, which diminishes from a maximum velocity region inter- mediate the zone to minimum velocity regions at either side of it. In consequence, the mixture flowing through each zone at high flow rates and ignited forms a single flame of cor- responding waveform bridging the minimum velocity regions at each side of the zone, highest in the maximum velocity region and lowest in the minimum velocity regions, such wave-form flames being more stable and less noisy than individual flames opposite the individual apertures produced by uniform velocity of flow flameholders of the prior art.

253045

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