Apparatus for low NO.sub.x, rapid mix combustion

Details Apparatus for low NO.sub.x, rapid mix combustion Apparatus for low NO.sub.x, rapid mix combustion

1997-09-05

2000-06-06

Price, Carl D.

Combustion

Flame holder having protective flame enclosing or flame...

431 8, 431 9, 431354, 431115, 431 10, F23M 300

Patent

active

060711159

ABSTRACT:
A process and apparatus for combusting fuel which results in reduction of nitrogen oxides and carbon monoxides emissions. Fuel and primary air are preferably premixed and introduced into a combustion chamber. Secondary air is introduced through a plurality of secondary air ports, each preferably shaped as a slot, which are positioned about a venturi nozzle or flame holder disk mounted with respect to a combustion chamber wall. The secondary air flowing through the secondary air ports forms relatively high velocity and momentum secondary air jets that promote rapid mixing of the fuel and primary air mixture into the secondary air flow, such that a combustion flame is established at a partial periphery of the secondary air jets.

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