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Method and apparatus for nox reduction by upper furnace injection of coal water slurry 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F23J-011/00
출원번호 US-0657322 (1996-06-03)
발명자 / 주소
  • Breen Bernard P.
  • Gabrielson James E.
  • Cavello Joseph
출원인 / 주소
  • Duquesne Light Company
대리인 / 주소
    Buchanan Ingersoll
인용정보 피인용 횟수 : 15  인용 특허 : 11

초록

In a method for reducing NOx in the flue gas a coal water slurry is injected into the furnace above the primary combustion zone into a region having a temperature from 1800.degree. F. to 2700.degree. F. The slurry is preferably injected through atomizers and through injectors that introduce a contin

대표청구항

[ We claim:] [1.] An apparatus for reducing nitrogen oxide emissions from a furnace wherein a fuel is burned in a primary combustion zone and produces a flue gas containing nitrogen oxide which comprises at least one injector attached to the furnace above the primary combustion zone and a source of

이 특허에 인용된 특허 (11)

  1. Breen Bernard P. (Pittsburgh PA) Winberg Steven E. (Pittsburgh PA) Gabrielson James E. (Plymouth MN) McMichael James C. (Monroeville PA), Apparatus and method of lowering NOx emissions using diffusion processes.
  2. Breen Bernard P. (Laguna Beach CA) Gabrielson James E. (Plymount MN) Lange Howard B. (San Clemente CA), Apparatus and method of reducing nitrogen oxide emissions.
  3. Breen Bernard P. (Pittsburgh PA) Gabrielson James E. (Plymouth MN), Apparatus and process for control of nitric oxide emissions from combustion devices using vortex rings and the like.
  4. Rennert Klaus-Dieter (Gummersbach DEX) Schreier Wolfgang (Gummersbach DEX), Apparatus for burning fuels while reducing the nitrogen oxide level.
  5. Roy Gabriel D. (Torrance CA) Sheppard Douglas B. (Torrance CA), Carbonaceous slurry combustor.
  6. Willis Jeffrey D. (Coventry GB2) Waddell Ian M. (Coventry GB2), Dual fuel injectors.
  7. Green Alex E. S. (Gainesville FL) Green Bruce A. S. (Micanopy FL), Method and apparatus of gas-coal combustion in steam boilers.
  8. Leikert Klaus (Gummersbach DEX) Rennert Klaus-Dieter (Gummersbach DEX) Bttner Gerhard (Gummersbach DEX), Method of reducing the nox-emissions during combustion of nitrogen-containing fuels.
  9. Nixon Ivor G. (ler Stock Ost ; “Matterhorngruss”Zermatt 3920 ; Valais CHX), Method of using partial combustion burners.
  10. Breen Bernard P. (Pittsburgh PA) Gabrielson James E. (Plymouth MN), Process for reducng Nox emissions from combustion devices.
  11. Guibelin Eric (Livry-Gargan FRX) Valette Yves (Orsay FRX), System for injecting slurry to be incinerated into an incineration furnace, corresponding operating procedure, use and f.

이 특허를 인용한 특허 (15)

  1. Robert C. Tyer, Auger combustor with fluidized bed.
  2. Fogash, Kevin Boyle; Li, Xianming Jimmy, Combustion system with steam or water injection.
  3. Breen, Bernard P.; Gabrielson, James E.; Eden, David, Detection, measurement and control of ammonia in flue gas.
  4. Nicholson, Stewart, Flue gas recirculation system.
  5. Paggi,Raymond Edward; Russo,Joseph Michael; Colapret,Kay; Macias,James Robert; Kaushik,Krishna Rangraj, Lubricating oil for a diesel powered engine and method of operating a diesel powered engine.
  6. Himmelfreundpointner, Kurt, Method and device for charging processing plants.
  7. Ashworth Robert A. ; Morrison Donald K. ; Payne Roy, Method and system for reducing nitrogen oxide and sulfur oxide emissions from carbonaceous fuel combustion flue gases.
  8. Ashworth Robert A. ; Carson W. Richard ; Melick Todd A. ; Sommer Todd M., Method and system for the disposal of coal preparation plant waste coal through slurry co-firing in cyclone-fired boiler.
  9. Ashworth Robert A. ; Carson W. Richard ; Melick Todd A. ; Sommer Todd M., Method and system for the disposal of coal preparation plant waste coal through slurry co-firing in cyclone-fired boilers to effect a reduction in nitrogen oxide emissions.
  10. Breen Bernard P. ; Glickert Roger W. ; Gabrielson James E. ; Bionda John P. ; Hallo Anthony ; Gretz Gerard F., Method for NO.sub.x reduction by upper furnace injection of solutions of fixed nitrogen in water.
  11. Bernard P. Breen ; Jeffrey J. Sweterlitsch ; James E. Gabrielson, Method for NOx reduction by upper furnace injection of biofuel water slurry.
  12. Breen,Bernard P.; Schrecengost,Robert A., Method to decrease emissions of nitrogen oxides and mercury through in-situ gasification of carbon/water slurries.
  13. Zamansky,Vladimir M.; Lissianski,Vitali Victor; Eiteneer,Boris Nickolaevich, Methods and systems for operating combustion systems.
  14. Torbov, T. Steve; Rettig, Terry W.; Kohan, Stephen M., Process for reduction of sulfur compounds and nitrogen compounds in the exhaust gases of combustion devices.
  15. Breen Bernard P. ; Gabrielson James E., Use of oil water emulsion as a reburn fuel.
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