Low pollution combustor

Details Low pollution combustor Low pollution combustor

1977-07-20

1979-04-24

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

With variable oxidizer control

60 3971, F02C 722

Patent

active

041505395

ABSTRACT:
A low pollution combustor is shown for controlling gas turbine pollutant emission, especially NO.sub.x. Fuel is injected and mixed with air upstream of the combustion zone. An axially movable baffle controls the air flow so that the fuel-air ratio is precisely controlled passing into the primary combustion zone. A baffle recirculation zone prevents overheating of the walls. Dilution air is provided downstream of the primary zone for temperature dilution of the gases and to inhibit further formation of nitrogen oxides.

REFERENCES:
patent: 2621477 (1952-12-01), Powter et al.
patent: 2920449 (1960-01-01), Johnson et al.
patent: 3530667 (1970-09-01), Bryan
patent: 3577878 (1971-05-01), Greenwood et al.
patent: 3724207 (1973-04-01), Johnson
patent: 3893296 (1975-07-01), Fredriksen
patent: 4078377 (1978-03-01), Owens et al.

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