, Volume 51, Issue 5–6, pp 253–261 | Cite as

Briquets for washing blast furnaces

  • I. F. Kurunov
  • O. G. Bol’shakova


Periodic washing of the hearth of a blast furnace by charging hard-to-reduce iron-bearing materials helps form fluid iron-bearing slags whose iron is reduced mainly by coke fines in the coke column. Lump iron ore, specially prepared washing sinters, or welding slag are usually used for this purpose. The washing sinter contains up to 50% ferrous oxide. One alternative to the washing sinter might be briquets made from mill scale. Washing briquets made from mill scale with a cement binder (8–10% Portland cement M500) are made by vibrational compaction. These briquets have good cold strength, remain intact when heated in a reducing atmosphere to 1200°C at a rate of 500°C/h (which corresponds to the rate of heating of the blast-furnace charge), and have low reducibility. Inside the fusion zone, they form primary slags based on iron-calcium olivines with an FeO content on the order of 50%.


Blast Furnace Portland Cement Fusion Zone Softening Point Mill Scale 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. 1.
    L. D. Nikitin, S. F. Bugaev, and L. V. Portnov, “Improving the operation of blast-furnace hearths,” Chern. Metall.: Byul. NTI, No. 6 (2004).Google Scholar
  2. 2.
    I. F. Kurunov, V. N. Titov, and O. G. Bol’shakova, “Analysis of the effectiveness of alternative methods of recycling iron-bearing metallurgical wastes,” Metallurg, No. 11, 39–42 (2006).Google Scholar
  3. 3.
    Mark P. Landow, Mark I. Crawford, and Marcelino Martinze, “Benefits of recycling blast furnace waste materials at National Steel-Great Lakes Division by cold bonded briqueting,” in: Proc. 2000 Ironmaking Conf., pp. 225–231.Google Scholar
  4. 4.
    Michael Peters, Peter Schmole, Klaus Kesseler, and Ludger Stahl, “Oxygen cupola for recycling waste oxides from an integrated steel plant,” in: Third Int. Conf. on the Science and Technology of Ironmaking, June 16–20, 2003, Dusseldorf, pp. 349–352.Google Scholar
  5. 5.
    C. Bartels-von Varnbuler et al., Recycling Technologies for Filter Dust and Other Residues, Millennium Steel (2004), pp. 62–68.Google Scholar
  6. 6.
    Maneesh Singh and Bo Bjorkman, “Swelling behavior of cement-bonded briquets,” in: Third Int. Conf. on the Science and Technology of Ironmaking, June 16–20, 2003, Dusseldorf, pp. 359–364.Google Scholar
  7. 7.
    Maneesh Singh and Bo. Bjorkman, “Effect of reduction on the swelling behavior of cement-bonded briquets,” ISIJ Int., 44, No. 2 294–303 (2004).Google Scholar
  8. 8.
    S. V. Bychkov and N. D. Vanyukova, “Use of briquets based on mill scale in a blast furnace,” Metallurg. Gornorud. Promst., No. 1, 14–16 (2006).Google Scholar
  9. 9.
    V. A. Noskov, “Study of the process parameters and regimes for making briquets from metallurgical wastes,” ibid., No. 5, 115–117 (2002).Google Scholar
  10. 10.
    V. V. Ozhogin, A. A. Tomash, V. A. Belonog, et al., “Optimization of the compositions of mixtures used to make high-strength briquets from sludge,” ibid., No. 4, 139–141 (2003).Google Scholar
  11. 11.
    Bansidhar Nayak and Vibhuki N. Mishra, U.S. Patent No. 6.921.427 B2, Process for Cold Briquetting and Pelletization of Ferrous or Nonferrous Ores or Mineral Fines by Iron Bearing Hydraulic Mineral Binde, Date of Patent Jul. 26, 2005.Google Scholar
  12. 12.
    Hideo Kanoshima, Seita Uekawa, Koji Morimoto, and others, U.S. Patent No. 6.918.944 B2, Carbon-Containing Nonfired Agglomerated Ore for Blast Furnace and Production Method Thereof, Date of Patent Jul. 19, 2005.Google Scholar
  13. 13.
    I. G. Tovarovskii, N. A. Gladkov, and A. S. Nesterov, “Aspects of the formation of melts in low-coke blast-furnace smelting,” Stal’, No. 2, 7–12 (1994).Google Scholar
  14. 14.
    V. I. Bol’shakov and I. G. Tovarovskii (eds.), Understanding the Processes in Blast-Furnace Smelting [in Russian], NAN Ukrainy IChM, Porogi, Dnepropetrovsk (2006).Google Scholar
  15. 15.
    V. A. Osipov, L. V. Mironova, V. A. Gostenin, et al., “New technology for briquetting metallurgical wastes,” Stal’, No. 3, 88–89 (2005).Google Scholar
  16. 16.
    “Production and use of metallurgical wastes at the Tulachermet plant,” Metallurg, No. 6, 33–36 (2005).Google Scholar
  17. 17.
    I. G. Tovarovskii, N. A. Gladkov, and S. A. Nesterov, “Study of the filtration of melts through the coke column with the use of different charge materials,” Stal’, No. 3, 6–11 (1996).Google Scholar
  18. 18.
    V. B. Ratinov and T. I. Rozenberg, Additives for Concrete [in Russian], Stroizdat, Moscow (1989).Google Scholar
  19. 19.
    H. Taylor, The Chemistry of Cement [Russian translation], Mir, Moscow (1996).Google Scholar
  20. 20.
    Yu. M. Butt, M. M. Sychev, and V. V. Timashev, The Chemical Engineering of Binders [in Russian], Vysshaya Shkola, Moscow (1980).Google Scholar

Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • I. F. Kurunov
    • 1
  • O. G. Bol’shakova
    • 1
  1. 1.Moscow State Institute of Steel and AlloysRussia

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