F - Mech Eng,Light,Heat,Weapons – 23 – R
Patent
F - Mech Eng,Light,Heat,Weapons
23
R
F23R 3/16 (2006.01) F23D 17/00 (2006.01) F23D 23/00 (2006.01) F23R 3/28 (2006.01) F23R 3/34 (2006.01)
Patent
CA 2330262
A gas turbine combustor, in which plural pre-mixers that inject fuel into swirling air passages are arranged to surround a pilot burner, and a pilot flame, guided by a pilot cone in the shape of a flaring pipe and provided at the rear end of the pilot burner, is mixed with a pre- mixture blown out from the pre-mixers to obtain a combustion gas, comprising flame-stabilizing means. The flame-stabilizing means lower the disturbance in a region where the pre-mixture and the pilot flame are mixed or stabilize the pilot flame, so that the flame generated by igniting the pre-mixture with the pilot flame is stabilized. By stabilizing the flame, combustion with a leaner air-fuel ratio is possible, and thereby the amount of NOx can be decreased.
Gora Tetsuo
Mandai Shigemi
Nishida Kouichi
Tanaka Katsunori
Mitsubishi Heavy Industries Ltd.
Riches Mckenzie & Herbert Llp
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