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TECHNICAL PAPERS: Fuels and Combustion Technology

Development of the Radially Stratified Flame Core Low NOx Burner: From Fundamentals to Industrial Applications

[+] Author and Article Information
J. M. Beér, M. A. Toqan, J. M. Haynes

Department of Chemical Engineering, Massachusetts Institute of Technology, Room 66-548, Cambridge, MA 02139-4307

R. W. Borio

49 Deerfield Drive, Somers, CT 06071

J. Eng. Gas Turbines Power 126(2), 248-253 (Jun 07, 2004) (6 pages) doi:10.1115/1.1688767 History: Received August 01, 2002; Revised August 01, 2003; Online June 07, 2004
Copyright © 2004 by ASME
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References

Miller,  J. A., and Bowman,  S. T., 1989, “Mechanism and Modeling of Nitrogen Chemistry in Combustion,” Prog. Energy Combust. Sci., 15, p. 287.
Bowman, S. T., 1992, Twenty-Fourth Symposium International on Combustion, (Invited Lecture), The Combustion Institute, Pittsburgh, PA, pp. 859–878.
Beér, J. M., 1988, “Stationary Combustion; The Environmental Leitmotiv,” The H.C. Hottel Plenary Lecture, Proc. Comb. Inst. The Combustion Institute, Pittsburgh, PA, pp. 1–16.
Emmons, H., W., and Shu Jing Ying, 1967, Proc. Comb. Inst. The Combustion Institute, Pittsburgh, PA, pp. 475–488.
Chigier,  N. A., Beér,  J. M., Grecov,  D., and Bassindale,  K., 1970, “Jet Flames in Rotating Flow Fields,” Combust. Flame, 14, p. 171.
Beér,  J. M., Chigier,  N., Davies,  T. W., and Bassindale,  K., 1971, “Laminarization of Turbulent Flames in Rotating Environments,” Combust. Flame, 16, p. 39.
Beér, J. M., Marotta, A., Toqan, M. A., 1955, “Combustion System for Reduction of Nitrogen Oxides,” U.S. Patent. Assignee: M.I.T.
Toqan, M. A., Beér, J. M., Jansohn, P., Sun, N., Shihadeh, A., and Teare, J. D., 1992, “Low NOx Emission From Radially Stratified Natural Gas-Air Turbulent Diffusion Flames,” Twenty-Fourth Symposium (International) on Combustion, The Combustion Institute, Pittsburgh, PA, pp. 1391–1397.
Shihadeh, A. L., Toqan, M. A., Beèr, J. M., Lewis, P. F., Teare, J. D., Jimenez, J. L., and Barta, L., 1994, “Low NOx Emission from Aerodynamically Staged Oil-Air Turbulent Diffusion Flames,” FACT, 18 , ASME, New York, pp. 195–200.
Rodgers, L. W., Sivy, J. L., J. L. Koslosky, J., Gorell, Beér, J. M., Lewis, P., and Barta, L., 1994, “NOx Control update for Low Emission Boiler System,” Eleventh Annual International Pittsburgh Coal Conference, U.S. D.O.E. Sept.
Sun, Norman, 1994, “Numerical Modeling and Experimental Investigation of Radially Stratified Low NOx Natural Gas Flames,” MS thesis, Department of Mechanical Engineering, M.I.T., Cambridge, MA.
Haynes, J. M., 1996, “Aerodynamic Design of Low NOx Diffusion Flames Using the Radially Stratified Flame Core Burner,” Ph.D. thesis, M.I.T. Feb.
Haynes, J. M., et al., 1996, “Aerodynamic Modeling and Scale-Up of a Low NOx Oil Burner,” Int. Joint Power Gen Conference, 4 , FACT-Vol. 21, ASME, New York, pp. 313–323.
Toqan, M. A., Nicholson, O. G., Briggs, O., Borio, R.-W., and Beér, J. M., 1997, “Low NOx Burners for Boilers and Furnaces: Design and Application,” Power-Gen, Madrid.
LaFlesh, R., Briggs, O., Barlow, D., and Wessel, G., 1999, “Update on ABB C-E’s RSFC Low NOx Wall Burner Technology,” Int. Join Power Generation Conf., San Francisco, FACT-Vol. 23, ASME, New York, 1 , pp. 63–70.

Figures

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Formation and reduction of nitrogen oxides in combustion, 3
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Low NOx burner schematic
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Schlieren photographs of a turbulent methane jet flame in a cylindrical screen, 5. Left: stationary screen; right: rotating screen.
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Schematic of laboratory prototype low NOx RSFC burner, 7
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NOx emission form a density stratified natural gas/air turbulent diffusion flame. The effects of steam injection and flue gas recirculation (steam/fuel ratio=0.12 kg/kg.O2 at exit=3%,8).
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Methane isoconcentration lines in stratified natural gas flame. Dotted line: regions of damped turbulence, Ri*∼1,8.
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NOx emission as a function of air atomization pressure for 0 and 5 deg Y-jet atomizers, 9
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NOx emissions burning HV bituminous pulverized coal, 10
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Oil droplet trajectories in flame type A, 1213
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Oil droplet trajectories in flame type C, 1213
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Oil droplet trajectories in flame type B, 1213
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Experimental CO emissions versus NOx and opacity (ISBF), 13
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Residual oil RSFC results, NOx emissions with boiler load variation, 14
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Natural gas: RSFC NOx emissions with boiler load variation, 14
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Coal: baseline and RSFC burner NOx with boiler load variation, 14
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Coal: baseline and post RSFC NOx variation with excess oxygen, 14

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