Plasma torch ignition for low NO.sub.x combustion turbine combus

Details Plasma torch ignition for low NO.sub.x combustion turbine combus Plasma torch ignition for low NO.sub.x combustion turbine combus

1995-05-08

1997-06-24

Thorpe, Timothy

Power plants

Combustion products used as motive fluid

60 39281, 60 39821, 60 39826, 21912154, F02C 726

Patent

active

056408412

ABSTRACT:
A low NO.sub.x combustion turbine combustor which utilizes an electric are plasma torch to heat natural gas or another fuel to a sufficiently high temperature to create a plasma which is injected into a combustor causing the auto-ignition and sustained combustion of the lean fuel/air mixture within the combustor. The plasma is injected through a pilot flame nozzle into a combustion turbine combustor basket. The temperature and the volume of the injected plasma-heated fuel is precisely controlled to light-off the lean mixture in the combustor basket while minimizing the NO.sub.x production through elimination of the air required by the pilot flame of conventional turbine combustors.

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Westinghouse Combustion Turbine Low NO.sub.x Technology Update, By D.M. Thompson et al. pp. 1-10 Nov. 1993.

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