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US 8,943,831 B2Granted
Lance of a burner
AssigneeALSTOM Technology Ltd
InventorsAdnan Eroglu, Johannes Buss, Andrea Ciani
Life of this patent
Estimating the term…
Abstract
The lance of a burner includes a body that defines a first duct with first nozzles for injecting a liquid fuel and a second duct with second nozzles for injecting a gaseous fuel. Outlets of the first nozzles are spaced apart from outlets of the second nozzles. The body includes a third duct with third and fourth nozzles for injecting air. The third nozzles surround an axis of the first nozzles and the fourth nozzles surround an axis of the second nozzles.
Claims8
A lance for a burner comprising:
- a lance body including:
- a first duct with first nozzles for injecting a liquid fuel;
- a second duct with second nozzles for injecting a gaseous fuel, wherein outlets of the first nozzles are spaced apart from outlets of the second nozzles;
- and
- a third duct with third and fourth nozzles for injecting air, wherein the third nozzles surround an axis of the first nozzles and the fourth nozzles surround an axis of the second nozzles, wherein the outlets of the first nozzles are downstream of the outlets of the second nozzles, axes of the first nozzles are inclined relative to axes of the second nozzles, and axes of the first nozzles are inclined relative to an axis of a terminal portion of the lance.
2 more elements
A reheat burner, comprising a lance, including:
- a first duct with first nozzles for injecting a liquid fuel;
- a second duct with second nozzles for injecting a gaseous fuel, wherein outlets of the first nozzles are spaced apart from outlets of the second nozzles;
- and
- a third duct with third and fourth nozzles for injecting air, wherein the third nozzles surround an axis of the first nozzles and the fourth nozzles surround an axis of the second nozzles, wherein the outlets of the first nozzles are downstream of the outlets of the second nozzles, axes of the first nozzles are inclined relative to axes of the second nozzles, and axes of the first nozzles are inclined relative to an axis of a terminal portion of the lance.
1 more element
Dependencies are inferred from the claim text.