F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 3/08 (2006.01) F23R 3/28 (2006.01) F23R 3/34 (2006.01) F23R 3/60 (2006.01)
Patent
CA 2151559
Apparatus for retro-fitting low NOx combustors in a conventional gas turbine using the existing openings in the cylinder casing and without any significant alteration of the turbine apparatus. Each one of the low NOx combustors is mounted by a nozzle block to the cylinder casing over an existing opening sized for a conventional combustor, the nozzle block having a plurality of fuel nozzles for spraying fuel into said combustor. The nozzle block has a pilot nozzle aperture and a plurality of annular fuel passages such that when the nozzle block is mechanically connected to the combustor the nozzles are in flow communication with the fuel passages. The nozzle block is sized such that one end can be flushly mounted to the cylinder casing over the existing opening. A fuel supply adapter having a plurality of manifold passages is connected to the nozzle block such that the manifold passages are in flow communication with a supply of fuel and also with the fuel passages such that fuel is supplied to the nozzles through the fuel passages in the nozzle block. A pilot nozzle is in flow communication with a supply of fuel and extends through the pilot nozzle aperture and into the combustor for creating a pilot flame in the combustor.
Mumford Stephen Eugene
Parker David Marchant
Bereskin & Parr
Westinghouse Electric Corporation
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