Design and Performance of a Low Btu Fuel Rich-Quench-Lean Gas Turbine Combustor

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General Electric Company is developing gas turbines and a high temperature desulfurization system for use in integrated gasification combined cycle (IGCC) power plants. High temperature desulfurization, or hot gas cleanup (HGCU), offers many advantages over conventional low temperature desulfurization processes, but does not reduce the relatively high concentrations of fuel bound nitrogen (FBN) that are typically found in low Btu fuel. When fuels containing bound nitrogen are burned in conventional gas turbine combustors, a significant portion of the FBN is converted to NO{sub x}. Methods of reducing the NO{sub x} emissions from IGCC power plants equipped with HGCU are needed. ... continued below

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15 p.

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Feitelberg, A.S.; Jackson, M.R.; Lacey, M.A.; Manning, K.S. & Ritter, A.M. December 31, 1996.

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General Electric Company is developing gas turbines and a high temperature desulfurization system for use in integrated gasification combined cycle (IGCC) power plants. High temperature desulfurization, or hot gas cleanup (HGCU), offers many advantages over conventional low temperature desulfurization processes, but does not reduce the relatively high concentrations of fuel bound nitrogen (FBN) that are typically found in low Btu fuel. When fuels containing bound nitrogen are burned in conventional gas turbine combustors, a significant portion of the FBN is converted to NO{sub x}. Methods of reducing the NO{sub x} emissions from IGCC power plants equipped with HGCU are needed. Rich-quench-lean (RQL) combustion can decrease the conversion of FBN to NO{sub x} because a large fraction of the FBN is converted into non-reactive N{sub 2} in a fuel rich stage. Additional air, required for complete combustion, is added in a quench stage. A lean stage provides sufficient residence time for complete combustion. Objectives General Electric has developed and tested a rich-quench-lean gas turbine combustor for use with low Btu fuels containing FBN. The objective of this work has been to design an RQL combustor that has a lower conversion of FBN to N{sub x} than a conventional low Btu combustor and is suitable for use in a GE heavy duty gas turbine. Such a combustor must be of appropriate size and scale, configuration (can-annular), and capable of reaching ``F`` class firing conditions (combustor exit temperature = 2550{degrees}F).

Physical Description

15 p.

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OSTI as DE97051009

Medium: P; Size: 15 p.

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  • Advanced coal-fired power systems review meeting, Morgantown, WV (United States), 16-18 Jul 1996

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  • Other: DE97051009
  • Report No.: DOE/MC/23170--97/C0712
  • Report No.: CONF-960757--7
  • Grant Number: AC21-87MC23170
  • Office of Scientific & Technical Information Report Number: 419303
  • Archival Resource Key: ark:/67531/metadc686803

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  • December 31, 1996

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  • July 25, 2015, 2:20 a.m.

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  • April 7, 2017, 2:50 p.m.

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Feitelberg, A.S.; Jackson, M.R.; Lacey, M.A.; Manning, K.S. & Ritter, A.M. Design and Performance of a Low Btu Fuel Rich-Quench-Lean Gas Turbine Combustor, article, December 31, 1996; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc686803/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.