Skip to main content
SpringerLink
Log in

Unburned carbon fraction with operation variables in a commercial circulating fluidized bed boiler during co-combustion of various anthracites

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

Abstract

Reduction of unburned carbon fraction in exhaust during co-combustion of various coals in a circulating fluidized bed boiler (CFB) is required to save energy loss and to optimize coal utilization as well as to improve the boiler efficiency. In this study, the effects of operation variables such as coal, air and heat flow rates, co-combustion ratio of each coal, primary to secondary air ratio on unburned carbon fraction were analyzed and evaluated in two units of 200 MWe circulating fluidized bed boiler in the Tonghae thermal power plant. From the results, the comprehensive correlation among unburned carbon fraction and operation variables in #1 and #2 units of the CFB boiler could be derived with a good agreement. This would be expected to give a good guideline to reduce the unburned carbon content in exhaust in the CFB boiler.

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. J.M. Lee, J. S. Kim and J. J. Kim, Energy, 28, 111 (2003).

    Google Scholar 

  2. M. Hupa, Fuel, 84, 1312 (2005).

    Article  CAS  Google Scholar 

  3. J. Koornneef, M. Junginger and A. Faaij, Prog. Energy Comb. Sci., 33, 19 (2007).

    Article  Google Scholar 

  4. D.W. Kim, J. M. Lee, J. S. Kim and J. J. Kim, Korean J. Chem. Eng., 24, 461 (2007).

    Article  CAS  Google Scholar 

  5. J. M. Lee, D.W. Kim and J. S. Kim, Energy, 35, 2814 (2010).

    Article  CAS  Google Scholar 

  6. B. Leckner, Therm. Sci., 11, 5 (2007).

    Article  Google Scholar 

  7. J.M. Lee, D.W. Kim and J. S. Kim, Korean J. Chem. Eng., 26, 506 (2009).

    Article  CAS  Google Scholar 

  8. J.M. Lee, J. S. Kim, J. J. Kim and P. S. Ji, 13th Korea-US Joint Workshop on Energy & Environment, Nevada, USA, 41 (1999).

  9. S. H. Lee, J.M. Lee, J. S. Kim, J. H. Choi and S. D. Kim, Korean Chem. Eng. Res., 38, 516 (2000).

    CAS  Google Scholar 

  10. S. A. Ehrlich, Inst. Fuel Symp. Sr., 1, 1 (1975).

    Google Scholar 

  11. R.B. Fields, N.A. Burdett and J. F. Davidson, Trans. Inst. Chem. Eng., 57, 206 (1979).

    Google Scholar 

  12. J. Hannes, Mathematical modeling of circulating fluidized bed combustion, Ph. D. Thesis, Delft, The Netherlands, 117 (1996).

  13. J. M. Lee and J. S. Kim, Korean Chem. Eng. Res., 38, 53 (2000).

    CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Korea Electric Power Research Institute (KEPRI), KEPCO, Daejeon, 305-380, Korea

    Jong-Min Lee, Dong-Won Kim & Jae-Sung Kim

Authors
  1. Jong-Min Lee
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Dong-Won Kim
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Jae-Sung Kim
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Jong-Min Lee.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Lee, JM., Kim, DW. & Kim, JS. Unburned carbon fraction with operation variables in a commercial circulating fluidized bed boiler during co-combustion of various anthracites. Korean J. Chem. Eng. 29, 452–459 (2012). https://doi.org/10.1007/s11814-011-0193-3

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11814-011-0193-3

Key words

Search

Navigation