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An Exergy Study of Cowper Stove Operations with an Iron Blast Furnace

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Book cover Energy Technology 2018 (TMS 2018)

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

This study examines the operations of the Cowper stoves attached to an iron blast furnace from a Second Law perspective. The exergetic efficiency of a 3-stove system operating at cyclic steady state is determined using a model accounting for the thermal, mechanical, and chemical flow exergies of the top gas and blast air, as well as the thermal exergy stored and released in the stoves. The analysis covers the heating and mixing of blast gas in one on-blast stove, and the combustion of top gas and its use to heat two on-gas stoves. The effect of different cycle times, and blast furnace operating conditions on the exergetic efficiency of the cycle is examined, and the optimal cycle time for different blast temperatures found. In addition, a study of the combustion parameters quantifies the advantages of using enriched oxygen in the combustors.

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Acknowledgements

The authors thank Mr. Robert Steiger of Paul Wurth, Inc., for helpful discussions concerning practical aspects of Cowper stove operations.

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Authors and Affiliations

  1. School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA

    Patrick E. Krane

  2. Purdue Center for Metal Casting Research, School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA

    Matthew John M. Krane

Authors
  1. Patrick E. Krane
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  2. Matthew John M. Krane
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Corresponding author

Correspondence to Patrick E. Krane .

Editor information

Editors and Affiliations

  1. Queensland University of Technology, Brisbane, Queensland, Australia

    Ziqi Sun

  2. Northeastern University, Shenyamg, China

    Cong Wang

  3. Idaho National Laboratory, Idaho Falls, Idaho, USA

    Donna Post Guillen

  4. IND LLC, South Jordan, Utah, USA

    Neale R Neelameggham

  5. University of Alaska Fairbanks, Fairbanks, Alaska, USA

    Lei Zhang

  6. Purdue University, West Lafayette, Indiana, USA

    John A. Howarter

  7. Nucor Steel, Blytheville, Arkansas, USA

    Tao Wang

  8. Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

    Elsa Olivetti

  9. ArcelorMittal Global R&D, East Chicago, Indiana, USA

    Mingming Zhang

  10. Reno, Nevada, USA

    Dirk Verhulst

  11. Harvard University , Watertown, Massachusetts, USA

    Xiaofei Guan

  12. Gopher Resource, Tampa, Florida, USA

    Allie Anderson

  13. Al Isra University, Amman, Jordan

    Shadia Ikhmayies

  14. University of Utah, Salt Lake City, Utah, USA

    York R. Smith

  15. LG Fuel Cell Systems, North Canton, Ohio, USA

    Amit Pandey

  16. The Pennsylvania State University, University Park, Pennsylvania, USA

    Sarma Pisupati

  17. Beihang University, Beijing, China

    Huimin Lu

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© 2018 The Minerals, Metals & Materials Society

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Krane, P.E., Krane, M.J.M. (2018). An Exergy Study of Cowper Stove Operations with an Iron Blast Furnace. In: Sun, Z., et al. Energy Technology 2018 . TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72362-4_13

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