Tertiary fuel injection system for use in a dry low NOx combusti

Details Tertiary fuel injection system for use in a dry low NOx combusti Tertiary fuel injection system for use in a dry low NOx combusti

1992-12-11

1996-01-30

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

Combustion products generator

F02C 314

Patent

active

054872758

ABSTRACT:
An improved gas turbine combustor of the type including primary and secondary combustion chambers with a venturi including a throat portion located therebetween; a plurality of primary fuel injection nozzles secured to a combustor cap in an annular array upstream of the primary combustion chamber; and a centerbody including a secondary fuel nozzle, said centerbody extending from said combustor cap to said secondary combustion chamber; the improvement comprising a plurality of tertiary fuel injection nozzles arranged in a circular array about a longitudinal axis of the combustor, at a location downstream of said venturi throat portion, for injecting fuel into the secondary combustion chamber.

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"Dry Low NOx Combustion For GE Heavy-Duty Gas Turbines", GE Turbine Reference Library, L. B. Davis, Jr. GER-3568A (no date.

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