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특허 상세정보

Air-oxy-fuel burner method and apparatus

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F23D-014/22   
미국특허분류(USC) 431/10 ; 431/182 ; 431/187 ; 431/9
출원번호 US-0121387 (1993-09-15)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 23  인용 특허 : 0
초록

The present invention provides an air-oxy-fuel method and apparatus in which fuel is burned in first and second stages of combustion having a fuel-rich and fuel-lean stoichiometry, respectively, to reduce NOx, emissions. The fuel is burned in the first stage of combustion in oxygen. The combustion of the fuel is completed in the second stage of combustion in the presence of air. Mixing of fuel and oxygen is effected by forming fuel and oxygen jets in close proximity to one another. Air is then swirled around the fuel and oxygen jets at a swirl ratio of n...

대표
청구항

A method of burning fuel comprising: introducing fuel and oxygen into a first state of combustion such that the fuel and the oxygen burn at a fuel-rich stoichiometry to produce unburned fuel and combustion products; and introducing the unburned fuel from the first stage of combustion and an oxidant more massive than said oxygen into a second stage of combustion such that combustion of the fuel is completed at fuel-lean stoichiometry; the fuel and the oxygen being introduced into the first stage of combustion by forming convergent jets of the fuel and the...

이 특허를 인용한 특허 피인용횟수: 23

  1. Oga, Shigeru; Iwasaki, Hiromitsu; Oga, Toshikazu; Oga, Makoto. Animal and vegetable oils combustor. USP2009097585170.
  2. Bool, III, Lawrence E.; Kobayashi, Hisashi. Combustion in a multiburner furnace with selective flow of oxygen. USP2004036699030.
  3. Kobayashi, Hisashi; Bool, III, Lawrence E.. Combustion with reduced carbon in the ash. USP2005126978726.
  4. Kobayashi, William Thoru; Tasca, Abilio; Alves De Sousa, Francisco Dominques. Combustion with variable oxidant low NOx burner. USP2009067549858.
  5. Kobayashi, William Thoru; Tasca, Abilio; Alves De Sousa, Francisco Dominques. Combustion with variable oxidant low NOx burner. USP2011037896647.
  6. Kobayashi, Hisashi; Wu, Kuang Tsai; Bool, III, Lawrence E.. Enhancing SNCR-aided combustion with oxygen addition. USP2004036702569.
  7. Simpson, Neil George; LeBlanc, John R.; Prusia, Gregory Floyd. Gas injection for glass melting furnace to reduce refractory degradation. USP2010037669439.
  8. Kobayashi,Hisashi; Bool, III,Lawrence E.. Low NOx combustion. USP2007067225746.
  9. Kobayashi,Hisashi; Bool, III,Lawrence E.. Low NOx combustion. USP2008107438005.
  10. Baukal ; Jr. Charles Edward ; Gershtein Vladimir Yliy ; Heffron James Francis ; Best Robert C. ; Eleazer ; III Prince Boyd. Method and apparatus for reducing NOx production during air-oxygen-fuel combustion. USP1999025871343.
  11. Haneji, Tomoyuki; Iino, Kimio; Yamamoto, Yasuyuki; Hagihara, Yoshiyuki. Method for burning burner. USP2015109157631.
  12. Bazarian Edward Robert ; Baukal ; Jr. Charles Edward ; Eleazer ; III Prince Boyd ; Dawson Bruce Kyle ; Marchiando Robert Dean. Method for oxygen-enhanced combustion using a vent stream. USP2001046217681.
  13. Simpson, Neil George; Prusia, Greg Floyd; Carney, Stephen McDonald; Clayton, Thomas G.; Richardson, Andrew Peter; LeBlanc, John R.. Method of boosting a glass melting furnace using a roof mounted oxygen-fuel burner. USP2004036705118.
  14. Simpson, Neil George; Prusia, Greg Floyd; Clayton, Thomas G.; Richardson, Andrew Peter; LeBlanc, John R.. Method of heating a glass melting furnace using a roof mounted, staged combustion oxygen-fuel burner. USP2004036705117.
  15. Kobayashi, Hisashi; Bool, III, Lawrence E.; Snyder, William J.. NOx reduction in combustion with concentrated coal streams and oxygen injection. USP2004036699031.
  16. Iatrides Jean-Yves,FRX ; Borders Harley ; Von Drasek William. Oxy-fuel burner having coaxial fuel and oxidant outlets. USP1998045743723.
  17. Kobayashi, Hisashi; Bool, III, Lawrence E.. Oxygen enhanced low NOx combustion. USP2005106957955.
  18. Kobayashi, Hisashi; Bool, III, Lawrence E.; Wu, Kuang Tsai. Oxygen enhanced switching to combustion of lower rank fuels. USP2004036699029.
  19. Zanichelli, Luca. Process and a reactor for oxidation of a hydrocarbon. USP2017029580313.
  20. Chatel Pelage,Fabienne; Marin,Ovidiu; Macadam,Scott; Penfornis,Erwin. Process and apparatus for oxygen enrichment in fuel conveying gases. USP2006067066728.
  21. Cheng, Changye; Yang, Jiaju; Li, Yi; Cui, Xingyuan; Zhang, Chaoqun; Gong, Zeru; Zhang, Guangquan; Zhang, Yubin; Liu, Peng. Pulverized coal concentrator and pulverized coal burner including the concentrator. USP2013108555795.
  22. Joshi Mahendra L. ; Borders Harley A. ; Marin Ovidiu ; Charon Olivier. Self-cooled oxygen-fuel burner for use in high-temperature and high-particulate furnaces. USP2000096123542.
  23. Joshi Mahendra L. ; Borders Harley A. ; Marin Ovidiu ; Charon Olivier. Self-cooled oxygen-fuel burner for use in high-temperature and high-particulate furnaces. USP2001046210151.