Fuel staged premixed dry low NO.sub.x combustor

Details Fuel staged premixed dry low NO.sub.x combustor Fuel staged premixed dry low NO.sub.x combustor

1993-06-14

1994-06-21

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

60747, F02C 100

Patent

active

053219481

ABSTRACT:
This invention relates to fuel staged premixed dry low NO.sub.x gas turbine combustors of the type that are constructed with multiple concentric cylinders to which fuel manifolds are mounted. The cylinders are spaced in a staggered arrangement. Such structures of this type achieve stable combustion over a wide range of fuel-to-air ratios and low flame temperature in the combustor resulting in low emissions of nitrogen oxides (NO.sub.x).

REFERENCES:
patent: 2417445 (1947-01-01), Pinkel
patent: 2680951 (1954-06-01), Winter
patent: 3338051 (1967-08-01), Chamberlain et al.
patent: 3811277 (1974-05-01), Markowski
patent: 4112676 (1978-09-01), DeCorso
patent: 5054280 (1991-10-01), Ishibashi
patent: 5069029 (1991-12-01), Koroda et al.
patent: 5121597 (1992-06-01), Urushidani et al.
"Low Emission Combustor Design Options For An Aero Derived Industrial Gas Turbine" Owen et al., Canadian Gas Association Symposium on Industrial Application of Gas Turbines, Oct. 1991.

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