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US 8,522,527 B2Granted
Burner for a gas turbine and method for feeding a gaseous fuel in a burner
AssigneeALSTOM Technology Ltd
InventorsAdnan Eroglu, Douglas Anthony Pennell, Johannes Buss, Richard Smith
Life of this patent
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Abstract
A burner (1) for a gas turbine includes a duct (2) enclosing a plurality of vortex generators (3) and, downstream of them, a lance (5) provided with nozzles (6) for injecting a gaseous fuel. The burner (1) also includes a mixer (7) for diluting and mixing the gaseous fuel with air to form a mixture. The mixer (7) is connected to the nozzles (6) for feeding them with the mixture. A method includes feeding the gaseous fuel in the burner (1).
Claims11
A burner for a gas turbine, the burner comprising:
- a duct enclosing a plurality of vortex generators;
- a lance downstream of the plurality of vortex generators, the lance comprising nozzles configured and arranged to inject at least a gaseous fuel;
- a mixer comprising a mixing device arranged within the lance, said mixer configured and arranged to dilute and mix said gaseous fuel with an oxidizer to form a mixture, said mixer being connected to said nozzles for feeding the nozzles with the mixture;
- a mixing zone downstream of the lance;
- and
- wherein said mixer is positioned outside said duct.
3 more elements
Dependencies are inferred from the claim text.