Computational fluid dynamics modeling of high temperature air combustion in an heat recovery steam generator boiler

Abhas Khoshhal; Masoud Rahimi; Afshar Ghahramani; Ammar Abdulaziz Alsairafi

Korean Journal of Chemical Engineering, Vol.28, No.5, 1181-1187, May, 2011

DOI10.1007/s11814-010-0481-3 Export Citation

Computational fluid dynamics modeling of high temperature air combustion in an heat recovery steam generator boiler

Abhas Khoshhal, Masoud Rahimi^†, Afshar Ghahramani, and Ammar Abdulaziz Alsairafi¹

CFD Research Centre, Chemical Engineering Department, Razi University, Kermanshah, Iran
¹Faculty of Mechanical Engineering, College of Engineering and Petroleum, Kuwait University, Kuwait

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This paper reports a numerical study on the possibility of using high temperature air combustion (HiTAC) technique in the heat recovery steam generator (HRSG) boiler of the Fajr Petrochemical Complex, Iran. For this purpose a theoretical fuel nozzle which operates in HiTAC mode of combustion has been installed and modeled using the computational fluid dynamics (CFD) technique. By aim of establishing an efficient heat transfer rate to the boiler’s tubes, the proper nozzle location and an optimum mass flow rate of fuel have been found. The results show that by using this modification it is possible to increase the steam temperature up to 37 percent.

Keywords:CFD;HiTAC;HRSG Boiler;Modeling;Heat Transfer

[References]

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[1] Tanaka R, Hasegawa T, Innovative technology to change flame characteristics with highly preheated air combustion., Proceedings of Japanese Flame Days, Osaka, 129 (1997)

[2] Kong L, Ding Y, Zhang Y, Yuan L, Wu Z, Korean J. Chem. Eng., 26(2), 534 (2009)

[3] Wu SR, Chang WC, Chiao J, Fuel., 86, 820 (2007)

[4] Chung DH, Yang JB, Noh DS, Kim WB, Korean J. Chem. Eng., 16(4), 489 (1999)

[5] Benini E, Pandolfo S, Zoppellari S, Appl. Therm. Eng., 29, 3506 (2009)

[6] Kitagawa K, Konishi N, Arai N, Gupta AK, J. Gas. Turb. Power., 125, 326 (2003)

[7] Gupta AK, Li Z, J. Energy Res., 5, 247 (1997)

[8] Christo E, Combust. Flame, 142(1-2), 117 (2005)

[9] Lille S, Blasiak W, Jewartowski M, Energy, 30(2-4), 373 (2005)

[10] Kim SH, Huh KY, Dally B, Proc. Combust. Inst., 30, 751 (2005)

[11] Rahimi M, Khoshhal A, Shariati SM, Appl. Therm. Eng., 26, 2192 (2006)

[12] Khoshhal A, Rahimi M, Alsairafi AA, Int. Commun. Heat Mass Trans., 36, 750 (2009)

[13] Seo HK, Shin DH, Chung JH, Kim BJ, Park SM, Lim HC, Korean J. Chem. Eng., 26(1), 72 (2009)

[14] Liu H, Xin N, Cao Q, Sha L, Sun D, Wu S, Korean J. Chem. Eng., 26(4), 1137 (2009)

[15] Orsino S, Weber R, Combust. Sci. Technol., 170, 1 (2001)

[16] Kawai K, Yoshikawa K, Kobayashi H, Tsai JS, Matsuo M, Katsushima H, Energy Conv. Manag., 43(9-12), 1563 (2002)

[17] Khazaei KA, Hamidi AA, Rahimi M, Chin. J. Chem. Eng., 17(5), 711 (2009)

[18] Franco A, Casarosa C, Appl. Therm. Eng., 22, 1501 (2002)

[19] Fluent Inc., Fluent 6.2 User’s Guide (2005)

[20] Versteeg HK, Malalasekera W An introduction to computa-tional fluid dynamics; the finite volume method, Longman Scientific and Technical (1995)

[21] Magnussen BF, Hjertager BH, On mathematical models of turbulent combustion with special emphasis on soot formation and combustion, 16th Symposium on combustion, The Combustion Institute (1976)

[22] Siegel R, Howell JR, Thermal radiation heat transfer, 3rd Ed. Washington, Hemisphere Publishing Corporation (1992)

[23] Chui E, Raithby G, Numeric. Heat Transfer, Part B., 23, 269 (1993)