Combustion – Process of combustion or burner operation – Flame shaping – or distributing components in combustion zone
Patent
1995-04-06
1997-08-12
Dority, Carroll B.
Combustion
Process of combustion or burner operation
Flame shaping, or distributing components in combustion zone
431284, 431188, 431174, F23C 500
Patent
active
056558996
ABSTRACT:
A fuel injector has an inner pipe within an outer pipe. The distal end of the inner pipe is set back from the distal end of the outer pipe to create a flame stabilization and mixing zone. A combustible gas and air mixture injected through the outer pipe forms a flame shroud around a gas stream injected through the inner pipe. This injector provides increased flame penetration and improved NO.sub.x reduction particularly when used to inject a flame shrouded gas stream into regions of the furnace at which the flue gas is at a temperature not greater than 2400.degree. F.
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Breen Bernard P.
Hura Harjit S.
McMichael James C.
Dority Carroll B.
Gas Research Institute
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