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Title: High-heat transfer low-NO.sub.x combustion system

Patent ·
OSTI ID:1175484

A combustion apparatus comprising a pre-combustor stage and a primary combustion stage, the pre-combustor stage having two co-axial cylinders, one for oxidant and one for fuel gas, in which the fuel gas is preheated and the primary combustion stage having rectangular co-axial passages through which fuel and oxidant are admitted into a refractory burner block. Both passages converge in the vertical plane and diverge in the horizontal plane. The passage through the refractory burner block also has a rectangular profile and diverges in the horizontal plane. The outlets to the primary combustion stage are recessed in the refractory burner block at a distance which may be varied.

Research Organization:
Gas Technology Institute, Des Plaines, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC02-95CE41185
Assignee:
Gas Technology Institute (Des Plaines, IL)
Patent Number(s):
6,939,130
Application Number:
10/729,810
OSTI ID:
1175484
Country of Publication:
United States
Language:
English

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