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System and method for burning vanadium-containing fuels

A combustion system and fuel technology, applied in the field of fuel additives and burning vanadium-containing fuels, can solve problems such as blockage of air cooling ports and overheating.

Inactive Publication Date: 2014-06-11
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solid magnesium vanadate deposits can clog air cooling ports and cause overheating

Method used

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  • System and method for burning vanadium-containing fuels
  • System and method for burning vanadium-containing fuels
  • System and method for burning vanadium-containing fuels

Examples

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Embodiment Construction

[0027] The features, functions, and advantages described in this specification can be achieved independently in various embodiments of the present disclosure or may be combined in yet other embodiments, further details can be found with reference to the following description and drawings. As used in the specification, an element or step described in the singular and preceded by the word "a" or "an" should be understood as not excluding plural of said elements or steps, unless such exclusion is explicitly stated. Furthermore, references to "one embodiment" are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Additionally, an embodiment that "comprises," "comprises," or "has" one or more elements of a specified property may include additional such elements not having the recited property, unless expressly stated to the contrary.

[0028]As used in the following specification and claims, approximate la...

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Abstract

The invention provides a system and a method for burning vanadium-containing fuels. The system is configured to facilitate prevention of the formation of vanadium pentoxide (V2O5) and to decrease a concentration of at least one of vanadium trioxide (V2O3) and vanadium tetroxide (V2O4) particles in exhaust. The combustion system includes a vanadium-containing fuel supply and a combustor. The combustor is configured to generate combustor exhaust gas including vanadium trioxide (V2O3) and / or vanadium tetroxide (V2O4) particles and to combust a reduced-oxygen mixture including the vanadium-containing fuel, ambient air, and a portion of the combustor exhaust gas. The combustion system also includes a particle separator configured to remove substantially all of the V2O3 particles and / or the V2O4 particles from the combustor exhaust gas. The invention also provides a method of combusting the fuel and a power generating system.

Description

technical field [0001] The subject matter disclosed in this specification relates to combusting vanadium-containing fuels, and more particularly to systems and methods for combusting vanadium-containing fuels in gas turbine engines without the use of fuel additives. Background technique [0002] Vanadium concentrations in petroleum fuels range from less than 0.5 ppm in distillate fuels to as high as 400 ppm in secondary fuels. Secondary fuels are inexpensive fuels and are ideal for use in gas turbine engines. However, corrosion problems associated with vanadium-containing deposits on gas turbine engine surfaces have limited the use of cheaper secondary fuels. During combustion, vanadium forms vanadium oxides (including vanadium pentoxide (V 2 o 5 )), which are highly corrosive to gas turbine engine components. [0003] Current practice is to treat secondary fuels with vanadium oxide inhibitors such as magnesium additives, which convert vanadium contaminants into solid ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C3/22
CPCF23C2202/30F23C9/00F23C9/006F23J15/02F02C3/20F23J15/022F02C7/00F23J15/025F02C3/34F23R2900/00004
Inventor A.M.埃尔卡迪S.H.A.穆罕默德N.D.乔世H.卡林G.O.克雷默S.D.德雷珀A.拉曼
Owner GENERAL ELECTRIC CO