Dual stage-dual mode low emission gas turbine combustion system

Details Dual stage-dual mode low emission gas turbine combustion system Dual stage-dual mode low emission gas turbine combustion system

1980-10-06

1983-12-20

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

60733, 60737, 60746, F23R 330, F23R 334

Patent

active

044209290

ABSTRACT:
A gas turbine combustor arrangement involves two combustion chambers separated by a necked down throat portion with provision for fuel introduction into each of the chambers. Initially, fuel is introduced into the first chamber and ignited. Thereafter, fuel is introduced into the second chamber until the total fuel flow to the combustor is at the desired rate. Burning in the first chamber is then extinguished by shifting fuel flow to the second chamber and after burning termination, the fuel distribution is reversed until a low emission operation is realized. Apparatus for carrying out the foregoing method and a high load ingition system is also disclosed.

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Carlstrom, L. A., et al., "Improved Emissions Performance in Today's Combustion System", International Seminar, Jun. 1978.

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