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The Influence of Burner Nozzle Angle for Flow Field and Heat Transfer of Ultra-Supercritical Tower Boiler

[+] Author Affiliations
Saike Chen, Mo Yang, Zhangyang Kang

University of Shanghai for Science and Technology, Shanghai, China

Yuwen Zhang

University of Missouri, Columbia, MO

Paper No. IMECE2011-63027, pp. 795-800; 6 pages
doi:10.1115/IMECE2011-63027
From:
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 4: Energy Systems Analysis, Thermodynamics and Sustainability; Combustion Science and Engineering; Nanoengineering for Energy, Parts A and B
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5490-7
  • Copyright © 2011 by ASME

abstract

The angle of burner nozzle is an important factor for burning of ultra-supercritical tower boiler. In this paper, gassolid multiphase flow and combustion in 1000MW Ultra-supercritical tower furnace were of the numerical simulation under different conditions. The angle of burner nozzle deflects downward, and the angle is 0°, 3°, 6°, 9° and 12°. Flow model is turbulence and SIMPLE algorithm and QUICK scheme are employed. Through theoretical analysis of different conditions (the velocity distribution in different face; the velocity vector in furnace; the temperature in furnace; the NOx , CO2 and O2 emissions in outlet), finally, the law of the angle of burner nozzle for flow field and heat transfer in ultra-supercritical tower boiler is found.

Copyright © 2011 by ASME

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