Invention Grant
US07765810B2 Method for obtaining ultra-low NOx emissions from gas turbines operating at high turbine inlet temperatures 有权
从高涡轮机入口温度下运行的燃气轮机获得超低NOx排放的方法

  • Patent Title: Method for obtaining ultra-low NOx emissions from gas turbines operating at high turbine inlet temperatures
  • Patent Title (中): 从高涡轮机入口温度下运行的燃气轮机获得超低NOx排放的方法
  • Application No.: US11280744
    Application Date: 2005-11-15
  • Publication No.: US07765810B2
    Publication Date: 2010-08-03
  • Inventor: William C. Pfefferle
  • Applicant: William C. Pfefferle
  • Applicant Address: US CT North Haven
  • Assignee: Precision Combustion, Inc.
  • Current Assignee: Precision Combustion, Inc.
  • Current Assignee Address: US CT North Haven
  • Agent Robert L. Rispoli
  • Main IPC: F02C7/22
  • IPC: F02C7/22 F02C7/26
Method for obtaining ultra-low NOx emissions from gas turbines operating at high turbine inlet temperatures
Abstract:
A method of lowered NOx combustion is taught wherein the kinetic rate of NOx formation is reduced for a given combustion temperature in a gas turbine combustor. A supply of fuel is provided along with a supply of ambient air in sufficient quantity to form a fuel/air mixture having an equivalence ratio greater than about 0.55 when mixed with the fuel. The fuel/air mixture is mixed with a supply of cooled combustion gases in sufficient quantity such that the oxygen content of the resulting air mixture is less than about 18 percent. The resulting air mixture is then passed into the combustor.
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