Gas-operated premixing burner

Details Gas-operated premixing burner Gas-operated premixing burner

1993-09-13

1996-01-09

Price, Carl D.

Combustion

Flame holder having protective flame enclosing or flame...

431351, 431 8, 431 10, F23C 500

Patent

active

054824575

ABSTRACT:
In a gas-operated premixing burner for the combustion chamber of a gas turbine, the fuel injected within a premixing space (21) by means of a plurality of nozzles (17) is intensively mixed with the combustion air prior to ignition. The nozzles are arranged around a burner axis (10). In order to influence the fuel profile at outlet from the burner in a specific manner, the fuel concentration in the region of the burner axis is kept greater than the average fuel concentration at the burner outlet plane (22). For this purpose, additional burner nozzles (23) are provided in the region of the burner axis (10). The additional burner nozzles (23) can be supplied via a separate fuel conduit (24).

REFERENCES:
patent: 3180395 (1965-04-01), Reed
patent: 4100733 (1978-07-01), Striebel et al.
patent: 4408461 (1983-10-01), Bruhwiler
patent: 4932861 (1990-06-01), Keller et al.
patent: 5085575 (1992-02-01), Keller et al.
patent: 5193995 (1993-03-01), Keller et al.
patent: 5244380 (1993-09-01), Dobbeling et al.

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