Center burner in a multi-burner combustor

Details Center burner in a multi-burner combustor Center burner in a multi-burner combustor

1997-12-19

1999-07-20

Freay, Charles G.

Power plants

Combustion products used as motive fluid

60737, 60739, 60747, F02C 726

Patent

active

059242752

ABSTRACT:
In a gas turbine having a plurality of combustors, each having an annular array of outer fuel nozzles arranged about a center axis, an improved construction is provided wherein each combustor has a center nozzle located on the center axis. Various methods of operating the improved combustor are also disclosed. For example, one method of operating a combustor for a gas turbine wherein the combustor has a plurality of fuel nozzles in an annular array arranged about a center axis and has a center nozzle located on the center axis, and wherein the annular array is supplied with fuel from at least one pre-mix fuel manifold, and further wherein the center nozzle is supplied with fuel from a center nozzle pre-mix fuel manifold includes the steps of:

REFERENCES:
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patent: 5491970 (1996-02-01), Davis, Jr. et al.
patent: 5551228 (1996-09-01), Mick et al.
patent: 5575146 (1996-11-01), Borkowicz et al.
"Dry Low Nox Combustion For GE Heavy-Duty Gas Turbines", Davis et al., GE Turbine Reference Library (GER-3568A), date unknown.

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