Combustion chamber of a gas turbine and method of operating it

Details Combustion chamber of a gas turbine and method of operating it Combustion chamber of a gas turbine and method of operating it

1990-11-06

1990-11-06

Stout, Donald E.

Power plants

Combustion products used as motive fluid

Combustion products generator

60746, 60748, 60751, 60 39463, 60 39465, F02C 722

Patent

active

049675613

ABSTRACT:
In the combustion chamber of a gas turbine, an air distribution chamber (19) and a combustion space (7) are locationally separated from one another within the combustion chamber shell (1). A multiplicity of tubular elements (2) are located between the distibution chamber and the combustion space, in which elements a premixing and pre-evaporation of the fuel oil supplied via the premixing nozzles (15') and/or a premixing of the fuel gas supplied through the premixing nozzles (15") takes place with compressor air. Each tubular element (2) is provided with a flameholder (3) in the direction towards the combustion space (7). A diffusion nozzle (8) for fuel directed into the combustion space (7) is located within the flameholder. In operation on load, only a small part of the fuel supplied to each element (2) is burned by means of the diffusion nozzle (8), the major proportion, on the other hand, being burnt by means of the premixing nozzles (15' of 15").

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