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A combustor nozzle and method for supplying fuel to a combustor

A burner and fuel supply technology, applied in the direction of combustion methods, burners, gas fuel burners, etc.

Inactive Publication Date: 2012-11-14
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, fuel enriched regions can increase the likelihood that flames in the burner that could damage the nozzle will flash back into the nozzle and / or become attached to the interior of the nozzle
Although flame flashback and flame holding can occur with any fuel, they are more likely to occur with highly reactive fuels such as hydrocarbons, which have higher burning velocities and a wider flammability range

Method used

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  • A combustor nozzle and method for supplying fuel to a combustor
  • A combustor nozzle and method for supplying fuel to a combustor
  • A combustor nozzle and method for supplying fuel to a combustor

Examples

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Embodiment Construction

[0042] Reference will now be made in detail embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. The same or similar reference numerals have been used in the drawings and description to refer to the same or similar parts of the present invention.

[0043] Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present invention covers such modifications and variations as come within the scope of the appended claims and thei...

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PUM

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Abstract

The present invention relates to a combustor nozzle and a method for supplying fuel to a combustor. A combustor nozzle includes a fuel supply in fluid communication with a fuel passage that terminates at a fuel outlet. An oxidant supply is in fluid communication with an oxidant passage radially displaced from the fuel passage and that terminates at an oxidant outlet radially displaced from the fuel outlet. A diluent passage radially displaced from the fuel passage and the oxidant passage terminates at a diluent outlet disposed between the fuel outlet and the oxidant outlet. A method for supplying fuel to a combustor includes flowing the fuel through a fuel outlet and flowing an oxidant through an oxidant outlet radially displaced from the fuel outlet. The method further includes flowing a diluent through a diluent outlet radially disposed between the fuel outlet and the oxidant outlet.

Description

technical field [0001] The present invention generally relates to burner nozzles and methods for supplying fuel to a combustor. In certain embodiments of the invention, the burner nozzle delays the mixing of fuel and oxidant in the combustor to reduce the temperature near the burner nozzle. Background technique [0002] Combustors are commonly used in industrial and power generation operations to ignite fuels to produce combustion gases having high temperature and pressure. For example, gas turbines typically include one or more combustors to generate power or thrust. A typical gas turbine used to generate electricity includes an axial compressor at the front, one or more combustors around the middle, and a turbine at the rear. Ambient air may be supplied to the compressor, and rotating blades and stationary vanes in the compressor gradually distribute kinetic energy to the working fluid (air) to produce a compressed working fluid in a highly excited state. Compressed wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23R3/28
CPCF23D11/107F23R3/00F23D14/24F23C2900/07022
Inventor G·O·克雷默J·D·贝里J·R·马沙尔
Owner GENERAL ELECTRIC CO