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특허 상세정보

Topping combustor for low oxygen vitiated air streams

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-007/26    F02C-009/00   
미국특허분류(USC) 60/039.06 ; 60/039.23 ; 60/733 ; 60/746
출원번호 US-0045178 (1998-03-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Smolowitz
인용정보 피인용 횟수 : 85  인용 특허 : 14
초록

A multi-stage topping combustor unit having rich burn, and lean burn zones followed by a quench/dilution zone. Combustible fuel gas is supplied only to the rich burn zone, and an oxygen-containing air-flue gas mixture is supplied to all three zones in a fixed flow proportioning that establishes a desired temperature profile through the combustor unit that minimizes combustor NOx and CO emissions. The combustor unit casing is cooled by an augmented air and oxygen stream discharged into the rich burn zone only, or into both the rich and lean burn zones. Th...

대표
청구항

[ We claim:] [9.] A method for operating a topping combustor unit provided in a gas turbine power plant process, comprising:(a) injecting a fuel gas into an inlet end of a topping combustor unit containing a fuel rich burn zone, a fuel lean burn zone, and a quench/dilution zone arranged in fuel gas flow sequence;(b) providing an air-flue gas flow glow to the forward inlet end of each said zone; and(c) providing an augmented oxygen and cooling air flow to the forward inlet end of the fuel-rich zone or to the fuel rich and the fuel lean burn zones at a con...

이 특허에 인용된 특허 (14)

  1. Scalzo Augustine J. (Longwood FL). Coal fired gas turbine system with integral topping combustor. USP1992115161367.
  2. Foss David T. (Winter Park FL) Marshall Diane M. (Casselberry FL). Dual fuel gas turbine combustor. USP1995045408825.
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  6. Domeracki William F. (Lake Mary FL) Lundberg Wayne L. (Pittsburgh PA) Dowdy Thomas E. (Orlando FL) Linder JoAnn M. (Clifton Park NY). Integrated gas turbine solid oxide fuel cell system. USP1995055413879.
  7. Ber Jnos M. (Winchester MA). Low NOx rich-lean combustor especially useful in gas turbines. USP1989074845940.
  8. Kramnik Boris M. (Skokie IL) Kunc Walter (Clarendon Hills IL). Low emission, fixed geometry gas turbine combustor. USP1995125473881.
  9. DeCorso Serafino M. (Upper Providence Township ; Delaware County PA). Low-nox, rich-lean combustor. USP1988114787208.
  10. Korenberg Jacob (York PA). Method and apparatus for gas turbine operation using solid fuel. USP1993065218815.
  11. Korenberg Jacob (York PA). Method of combustion and combustion apparatus to minimize Nox and CO emissions from a gas turbine. USP1994025285628.
  12. Rao Ashok D. (Irvine CA). Reactor expander topping cycle. USP1991034999993.
  13. Pillsbury Paul W. (Winter Springs FL). Topping combustor for an indirect fired gas turbine. USP1993115261226.
  14. Scharpf Eric W. (Emmaus PA) Flemming Frederick C. (Macungie PA). Use of nitrogen from an air separation unit as gas turbine air compressor feed refrigerant to improve power output. USP1995025388395.

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