F - Mech Eng,Light,Heat,Weapons – 23 – R
Patent
F - Mech Eng,Light,Heat,Weapons
23
R
F23R 3/36 (2006.01) F23D 17/00 (2006.01) F23D 23/00 (2006.01)
Patent
CA 2225947
A dual fuel injection system for a low Nox combustor in which separate gaseous and liquid fuel manifolds are integrally joined to form manifold assemblies. Each manifold assembly extends circumferentially around the inlet of an annular fuel and air mixing passage. The gaseous fuel manifolds have a number of gas discharge ports spaced around their circumferences. The liquid fuel manifolds have a number of fuel nozzles spaced around their circumferences. The gaseous fuel discharge ports and liquid fuel nozzles are oriented so as to inject fuel into the annular passages in a manner that will facilitate mixing of the fuel and air. Separate gaseous and liquid fuel supply tubes are connected to each manifold.
Cette invention concerne un circuit d'injection pour brûleur mixte à faible émission de Nox dont les collecteurs d'alimentation en combustibles gazeux et liquide forment un tout intégré. Chaque collecteur d'alimentation encercle l'orifice d'admission d'un conduit annulaire de mélange air-combustible. Les deux collecteurs d'alimentation comportent une série de buses d'injection réparties sur leur pourtour, orientées de façon à réaliser une injection propice au bon mélange des combustibles avec l'air, dans le conduit annulaire susmentionné. Les deux collecteurs sont alimentés par des conduits séparés.
Bereskin & Parr
Westinghouse Electric Corporation
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