Skip to main content
SpringerLink
Log in

A study on mixing mechanism in air spouted beds

  • Published:
Korean Journal of Chemical Engineering Aims and scope Submit manuscript

Abstract

The mixing mechanism of solid particles in the air spouted bed was studied by employing an impulse response technique. The particles, german millet and barley, were spouted by air in columns of diameter of 8.4 cm and 12.6 cm.

In the proposed theory, it was assumed that the mixing of the particles in the spouted bed occurs when they circulate through spout, fountain and annulus. Also a theoretical model was derived by assuming that the particle flow in the annulus is a combination of many annular plug flows while the flow in the spout as well as in the fountain is a mixed flow

The residence time distribution of the particles in the bed was measured by injecting a portion of colored particles into the feed line and analyzing the concentration of the colored particles in the discharge line. The experimental results and the proposed theory were most satisfactorily agreed when the null residence time in the spout and in the fountain was assumed in the theoretical model.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Mathur, K.B., and Gishler, P.E.:AlChE J.,1, 157 (1955).

    CAS  Google Scholar 

  2. Romankov, P.G., and Rashkovskaya, N.B.: “Drying in a suspended state”, 2nd ed., in Russion Chem. Publ, House, Leningrad Branch (1968).

    Google Scholar 

  3. Abdelrazek, I.D.: ph. D. Thesis, Univ. of Tennessee (1969).

  4. Nerneth, J., Palli, I., and Baticz, S.:Proc. Conf. Some Aspects phys. Chem., Budapest, 259 (1966).

  5. Ratdiffe, J.S., and Rigby, GR.:Mech. Chem. Eng. Trans.,5, 1 (1969).

    Google Scholar 

  6. Uernaki, O., Fugikawa, M, and Kugo, M.:Kogyo Kagam Zassi,73, 453 (1970).

    Google Scholar 

  7. Uernaki, O., Fugikawa, M., and Kugo, M.:Kogyo Kagam Zassi,74, 933 (1971).

    Google Scholar 

  8. Kugo, M., Watanabe, N., Uemaki, O., and Shibata, T.: Bull. Hokkaido Univ., Sapporo, Jap.,39, 95 (1965).

    Google Scholar 

  9. Barton, R.K., Rigby, GR., and Ratcliffe, J.S.:Mech. Chem. Eng. Trans.,4, 105 (1968).

    Google Scholar 

  10. Quinlan, M.J., and Ratcliffe, J.S.:Mech. Chem. Eng. Trans.,6, 19 (1970).

    Google Scholar 

  11. Chatterjee, A.:Ind. Eng. Chem. Process Des. Develop.,9, 531 (1970).

    Article  CAS  Google Scholar 

  12. Mann. U., and Crosby, E.J.:Ind. Eng. Chem. Process Des., Develop.,11, 314 (1972).

    Article  CAS  Google Scholar 

  13. Mann. U., and Crosby, E.J.:Chem. Eng.Sci.,28, 623 (1973).

    Article  CAS  Google Scholar 

  14. Velzen, D. Van, Flamm. H.J., Langenkamp, H. and Casile, A.:Can. J. Chem. Eng.,52, Apr., 156 (1974).

    Article  Google Scholar 

  15. Mo, S.Y.: ph. D. Thesis, Korea Univ., Seoul Korea (1984).

  16. Edwards, M.F. and Richardson, J.F.:Chem. Eng. Sci.,2, 1 (1957).

    Google Scholar 

  17. Smith, J.W. and Reddy, K.V.S.:The Can. J. Chem. Eng. Oct. 206 (1964).

Download references

Author information

Authors and Affiliations

  1. Department of Chemical Engineering,College of Engineering, Korea University, Seoul, Korea

    Woong-Ki Kang & Se-Young Mo

Authors
  1. Woong-Ki Kang
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Se-Young Mo
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Kang, WK., Mo, SY. A study on mixing mechanism in air spouted beds. Korean J. Chem. Eng. 2, 87–92 (1985). https://doi.org/10.1007/BF02697555

Download citation

  • Received:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02697555

Keywords

Search

Navigation