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US 2018/0058687 A1Published application
Overfire Air System For Low Nitrogen Oxide Tangentially Fired Boiler
AssigneeGeneral Electric Technology GmbH
InventorsTodd D. Hellewell, Bryan Walter Mruk, Christopher David Siriani
Life of this patent
Estimating the term…
Abstract
The present application provides a tangentially fired boiler. The tangentially fired boiler may include a combustion chamber and an overfire air system positioned about the combustion chamber. The overfire air system may include a number of overfire air windboxes positioned in a horizontal orientation.
Claims20
A tangentially fired boiler, comprising:
- a combustion chamber;
- and
- an overfire air system positioned about the combustion chamber;
- the overfire air system comprising a plurality of overfire air windboxes;
- the plurality of overfire air windboxes comprising a horizontal orientation.
2 more elements
A method of operating a tangentially fired boiler, comprising:
- combusting a flow of fuel and a flow of air in a combustion chamber;
- circulating a fluid in a spiral configuration around the combustion chamber;
- and
- flowing overfire air into the combustion chamber via a plurality of horizontal overfire windboxes positioned above the spiral configuration.
1 more element
A tangentially fired boiler, comprising:
- a combustion chamber;
- a plurality of tubes positioned in a spiral configuration about the combustion chamber;
- and
- an overfire air system positioned about the combustion chamber;
- the overfire air system comprising a plurality of overfire air windboxes;
- the plurality of overfire air windboxes comprising a horizontal orientation.
3 more elements
Dependencies are inferred from the claim text.