Abstract
According to 350MW and 600MW boilers, under oxygen fuel condition, through the reasonable control of the primary and secondary flow and the correct option and revision of mathematical model, the temperature distribution, heat flux distribution and absorption heat distribution, etc. was obtained which compared with those under air condition. Through calculation, it is obtained that the primary and secondary flow mixed well, good tangentially fired combustion in furnace was formed, the temperature under air condition obviously higher than the temperature under O26 condition. The adiabatic flame temperature of wet cycle was slightly higher than that of dry cycle. The maximum heat load appeared on the waterwall around the burner area. The heat load gradually decreased along the furnace height up and down in burner area. The heat absorption capacity of the furnace under O26 was lower than that under the air condition. The heat absorption capacity of the platen heating surface under O26 was equal to that under air condition. And the heat absorbing capacity of waterwall under O26 was about7%~12% less than that under air condition.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
http://www.chinairn.com/news/20150316/150415113.shtml.
Zheng Chuguang, Zhao Yongchun, Guo Xin. Research and Development of Oxy-fuel Combustion in China[J]. Proceedings of the CSE., 2014, 23(34): 3856–3864.
Zheng Ligang. Oxy-fuel combustion for power generation and carbon dioxide(CO2) capture[M]. Sawston, UK: Woodhead Publishing Limited, 2011.
T. Wall, Y. Liu, C. Spero., et al. An Overview on Oxy Fuel Coal Combustion-state of the Art Research and Technology Development[J]. Chemical Engineering Research and Desig., 2009, 87(8): 1003–1016.
B. J. P. Buhre, L. K. Elliott, C. D. Sheng, R. P. Gupta, T. F. Wall, Oxy-fuel Combustion Technology for Coal Fired Power Generation[J]. Progress in Energy and Combustion Scienc., 2005, 31(4): 283–307.
Liu Jingzhang. Numerical optimization design and experimental study of oxygen fuel pulverized coal burner[D]. Wuhan, Huazhong University of Science and Technology, 2012.
K. Andersson, F. Johnsson. Flame and Radiation Characteristics of Gas-fired O2/CO2 Combustion[J]. Fue., 2007, 86(5-6): 656–668.
R. Johansson, K. Andersson, B. Leckner, H. Thunman. Models for Gaseous Radioactive Heat Transfer Applied to Oxy-fuel Conditions in Boilers [J]. International Journal of Heat and Mass Transfe., 2010, 53(1-3): 220–230.
Guo Junjun, Huang Xiaohong, Liu Zhaohui, et al. Numerical Simulation of Oxy-Fuel Combustion on 3 MW Coal-Fired Boiler[J]. JOURNAL OFENGINEERING THERMOPHYSIC., 2014, 35(5): 1007–1110.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Wu, H., Liu, Z. & Liao, H. The study on the heat transfer characteristics of oxygen fuel combustion boiler. J. Therm. Sci. 25, 470–475 (2016). https://doi.org/10.1007/s11630-016-0886-3
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11630-016-0886-3