Apparatus and method for modifying a combustor nozzle

Inactive Publication Date: 2012-04-12
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0007]Another embodiment of the present invention is a combustor nozzle that includes a nozzle body that defines a cavity. An orifice in the nozzle body pr

Problems solved by technology

A removable insert in the orifice reduces ef

Method used

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  • Apparatus and method for modifying a combustor nozzle
  • Apparatus and method for modifying a combustor nozzle
  • Apparatus and method for modifying a combustor nozzle

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Embodiment Construction

[0017]Reference will now be made in detail to present 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. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention.

[0018]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 thereof. For instance, features illustrated or described as part of one embodiment may be used on 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 their equivalents.

[0019]Various embodi...

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Abstract

A combustor nozzle includes a nozzle body that defines a cavity. An orifice in the nozzle body provides fluid communication from the cavity through the nozzle body. A movable barrier proximate to the orifice has a first position in which the movable barrier at least partially obstructs the orifice. A method for supplying fuel to a combustor includes flowing fuel through an orifice in a nozzle, determining a reactivity of the fuel, and adjusting an effective cross sectional area of the orifice based on the reactivity of the fuel.

Description

FIELD OF THE INVENTION[0001]The present invention generally involves an apparatus and method for modifying a combustor nozzle. In particular, embodiments of the present invention include a nozzle that can be adjusted to operate with fuels having different reactivity levels.BACKGROUND OF THE INVENTION[0002]Combustors are widely used in commercial operations. For example, a typical gas turbine includes a compressor that supplies a compressed working fluid to at least one combustor. The combustor mixes fuel with the compressed working fluid and ignites the mixture to produce combustion gases having a high temperature and pressure. The combustion gases exit the combustor and flow to a turbine where they expand to produce work.[0003]Various fuels may be supplied to the combustor for combustion. For example, the combustor may be designed to operate using blast furnace gas, coke oven gas, natural gas, vaporized liquefied natural gas (LNG), propane, hydrogen, or combinations thereof. Each f...

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Application Information

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IPC IPC(8): F23D14/46
CPCF23R3/14F23R2900/00016F23R3/28
Inventor MARQUEZ, ELIASBAGEPALLI, BHARATSYMONDS, RICHARD ARTHURLEMON, DONALD TIMOTHY
Owner GENERAL ELECTRIC CO
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