Method and apparatus for reducing emissions in combustion produc

Details Method and apparatus for reducing emissions in combustion produc Method and apparatus for reducing emissions in combustion produc

1998-01-23

1999-11-02

Yeung, James C.

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431351, 431353, 126 91A, 126110R, 126116R, F24C 500

Patent

active

059758830

ABSTRACT:
A method and apparatus for reducing emissions in combustion products. Fuel and primary oxidant are introduced into a burner tube and discharged as a fuel/oxidant mixture, preferably fuel-rich, into a primary combustion chamber. The combustion flame entrains, through a peripheral gap between the burner tube and a wall of a first housing, a first portion of secondary oxidant in the primary combustion chamber. The combustion flame is then directed, preferably through a swaged orifice, into a secondary combustion chamber. Within the secondary combustion chamber, the combustion flame entrains a second portion of secondary oxidant and then combustion products are discharged through an exhaust tube.

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