Table of Contents
Journal of Powder Technology
Volume 2014 (2014), Article ID 980416, 6 pages
http://dx.doi.org/10.1155/2014/980416
Research Article

Choking Affects the Operation Diagram of a CFB Riser

1Department of Chemical Engineering, KU Leuven, De Croylaan 46, 3001 Heverlee, Belgium
2School of Engineering, University of Warwick, Coventry CV4 7AL, UK
3Process and Environmental Technology Laboratory, Department of Chemical Engineering, KU Leuven, 2880 Sint-Katelijne-Waver, Belgium

Received 30 October 2013; Revised 26 December 2013; Accepted 10 January 2014; Published 4 March 2014

Academic Editor: Jürgen Tomas

Copyright © 2014 H. L. Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. J. R. Grace, “High-velocity fluidized bed reactors,” Chemical Engineering Science, vol. 45, no. 8, pp. 1953–1966, 1990. View at Google Scholar · View at Scopus
  2. J. Yerushalmi and A. Avidan, “High velocity fluidization,” in Fluidization, J. F. Davidson, R. Clift, and D. Harrison, Eds., pp. 225–289, Academic Press, New York, NY, USA, 2nd edition, 1985. View at Google Scholar
  3. D. Bai, E. Shibuya, Y. Masuda, K. Nishio, N. Nakagawa, and K. Kato, “Distinction between upward and downward flows in circulating fluidized beds,” Powder Technology, vol. 84, no. 1, pp. 75–81, 1995. View at Google Scholar · View at Scopus
  4. C. W. Chan, J. P. K. Seville, D. J. Parker, and J. Baeyens, “Particle velocities and their residence time distribution in the riser of a CFB,” Powder Technology, vol. 203, no. 2, pp. 187–197, 2010. View at Publisher · View at Google Scholar · View at Scopus
  5. S. Mahmoudi, J. Baeyens, and J. Seville, “The solids flow in the CFB-riser quantified by single radioactive particle tracking,” Powder Technology, vol. 211, no. 1, pp. 135–143, 2011. View at Publisher · View at Google Scholar · View at Scopus
  6. S. Mahmoudi, C. W. Chan, A. Brems, J. Seville, and J. Baeyens, “Solids flow diagram of a CFB riser using Geldart B-type powders,” Particuology, vol. 10, no. 1, pp. 51–61, 2012. View at Publisher · View at Google Scholar · View at Scopus
  7. L. S. Leung, R. J. Wiles, and D. J. Nicklin, “Correlation for predicting choking flowrates in vertical pneumatic conveying,” Industrial and Engineering Chemistry Process Design and Development, vol. 10, no. 2, pp. 183–189, 1971. View at Google Scholar · View at Scopus
  8. J. M. Matsen, “Mechanisms of choking and entrainment,” Powder Technology, vol. 32, no. 1, pp. 21–33, 1982. View at Google Scholar · View at Scopus
  9. Y. Yousfi and G. Gau, “Aerodynamique de l'ecoulement vertical de suspensions concentrees gaz-solides—I. Regimes d'ecoulement et stabilite aerodynamique,” Chemical Engineering Science, vol. 29, no. 9, pp. 1939–1946, 1974. View at Publisher · View at Google Scholar
  10. H. T. Bi and L. S. Fan, “Regime transitions in gas-solid circulating fluidized beds,” in Proceedings of the AIChE Annual Meeting, pp. 17–22, AIChE, Los Angeles, Calif, USA, 1991.
  11. D. Geldart, “Particle entrainment and carry-over,” in Gas Fluidization Technology, D. Geldart, Ed., pp. 123–153, John Wiley & Sons, New York, NY, USA, 1986. View at Google Scholar
  12. H. L. Zhang, Powder circulation systems for heat storage [Ph.D. thesis], KU Leuven, 2013.
  13. J. Baeyens and D. Geldart, “An investigation into slugging fluidized beds,” Chemical Engineering Science, vol. 29, no. 1, pp. 255–265, 1974. View at Google Scholar · View at Scopus
  14. B. Du and L. S. Fan, “Characteristics of choking behavior in circulating fluidized beds for group B particles,” Industrial and Engineering Chemistry Research, vol. 43, no. 18, pp. 5507–5520, 2004. View at Google Scholar · View at Scopus
  15. B. Du, W. Warsito, and L. Fan, “Imaging the choking transition in gas-solid risers using electrical capacitance tomography,” Industrial and Engineering Chemistry Research, vol. 45, no. 15, pp. 5384–5395, 2006. View at Publisher · View at Google Scholar · View at Scopus
  16. D. Bai, A. S. Issangya, and J. R. Grace, “A novel method for determination of choking velocities,” Powder Technology, vol. 97, no. 1, pp. 59–62, 1998. View at Publisher · View at Google Scholar · View at Scopus