The Development of Flameless Regenerative Burner for the Industrial Furnaces

공업로용 무화염식 축열버너의 국산화 개발

  • 김원배 (한국에너지기술연구원 산업효율연구센터) ;
  • 양제복 (한국에너지기술연구원 산업효율연구센터)
  • Received : 2010.03.11
  • Accepted : 2010.06.18
  • Published : 2010.06.30

Abstract

Recently, much attention has been paid to utilizing highly preheated air up to $1,000^{\circ}C$ through waste gas in industrial furnaces. The regenerative burner technology has shown to provide significant reduction in energy consumption (up to 60%), downsizing of the equipment (about 30%) and lower emissions (about 30%) while maintaining high thermal performance of the system since 2000. The object of this study is to develop the flameless regenerative burner for industrial furnaces based on the FLOX(Flameless Oxidation) principle and it has been designed and manufactured as pilot scale. Performance tests are experimentally done and their results are discussed. They showed 1) a very good uniformity in temperature distribution, 2) about 100 ppm in NOx at the temperature $1,300^{\circ}C$, 3) about 95% in temperature efficiency. Besides, the regenerative burner has advantage in easy maintenance and high usage rate of regenerator due to the separate and portable type of heat exchanger.

Keywords

References

  1. M. Katsuki and K. Ebisui, "Possibility of Low Nitric Oxides Emission From Regenerative Combustion Systems Using Highly Preheated Air", The First Asia-Pacific Conference on Combustion, 1997, pp. 294-297, Japan.
  2. T. Fujimori D. Riechelmann and J. Sato, "Experimental Study of NOx Reduction by Lifted Turbulent Jet Flame in Highly Preheated Flows", The First Asia-Pacific Conference on Combustion, 1997, pp. 298-301, Japan.
  3. Ken Kishimoto, "Observational Study of Chemiluminescence from Flames with Preheated and Low Oxygen Air", The First Asia-Pacific Conference on Combustion, 1997, pp. 468-475, Japan.
  4. Junichi Sato, "Combustion in High Temperature Air", The First Asia-Pacific Conference on Combustion, 1997, pp. 286-289, Japan.
  5. Tanaka, R, Kishimoto, K. and Hasegawa, Combustion Sci. Technol. (Japanese ed.), Vol. 2, 1994, p. 257.
  6. 省エネルギーcenter : 高溫空氣燃燒特集, Vol.48, No. 10, 1996, pp. 18-52.