Method and system for rich-lean catalytic combustion

Details Method and system for rich-lean catalytic combustion Method and system for rich-lean catalytic combustion

2004-10-20

2008-11-04

Rodríguez, William H (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S723000, C431S268000

Reexamination Certificate

active

07444820

ABSTRACT:
A gas turbine engine using a rich-lean catalytic combustion system includes a rich catalytic burner and a lean catalytic burner. The rich catalytic burner includes a rich catalytic reactor and a heat exchanger. The rich catalytic reactor catalytically burns a fuel rich mixture to provide a heated fuel. The heat exchanger receives a stream of air that absorbs a portion of the heat from the catalytic burning of the fuel rich mixture to keep the reaction in the rich catalytic reactor at or below a threshold temperature. A resulting heated air from the heat exchanger and the heated fuel are mixed in a mixing zone to provide a heated fuel-air mixture. The lean catalytic burner receives and burns the heated fuel-air mixture.

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