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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