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Numerical Simulation of High-Temperature Air Direct-Ignition of Pulverized Coal

[+] Author Affiliations
Z. Z. Kang, B. M. Sun, Y. H. Guo, W. Zhang, H. Q. Wei

North China Electric Power University

Paper No. IMECE2005-80672, pp. 285-287; 3 pages
doi:10.1115/IMECE2005-80672
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Energy Conversion and Resources
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Power Division
  • ISBN: 0-7918-4218-5 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

Numerical simulation method is employed in this article to investigate various high-temperature air direct-ignition processes of pulverized coal (PC). Several important factors are analyzed, which are the inlet velocity of primary air flow, PC concentration and the velocity and temperature of high temperature air. The flow, combustion and heat transfer in high temperature air oil-free ignition burner can also be obtained from the simulation results, which are in accordance with the experimental data. The research provides guidance for structure improvement and operation optimization of burner.

Copyright © 2005 by ASME

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