Current situation and predictions further development of blast furnace technology

• Autorzy: Mróz J.
• Języki publikacji: EN

Abstrakty

EN

Purpose: of the paper is to present analysis on main technological factors that determine blast furnace worldwide productivity in today’s time and may probably influence it in the future. Design/methodology/approach: to gain the purpose of the paper is based on the literature review of the proceedings of newest congresses and conferences on iron making technology. The review embraces manifold technical and technological changes in the area of the manufacture of iron in blast furnaces in most important regions of worldwide iron production. The prospects for future possible developments of blast furnace technology is presented, too. Findings: of this analysis show that directions of development of blast furnace technologies is characterized by: an increase the overall productivity of blast furnaces, the increase in volume blast furnaces and extending the period for campaign work of blast furnaces, systematic improving the quality of blast furnace charge, controlling its distribution, the introduction of coal dust injection and modernization of the equipments. Moreover, some specific researches were carried out e.g. a new process granulation for the control of melting materials, hybrid bonding iron ore of inferior quality, decreasing CO2 emissions in the process of sintering iron. The Chinese iron industry is oriented on modification of uneconomical structure of the iron production, excessive energy consumption and heavy impact on global environment. Research limitations/implications: Simulation calculations show that the future lines of the development of blast furnace technology should take into account: a) use lower temperatures of hot blast and high blast enrichment in oxygen. b). injection of various fuels taking into account their prices in various world regions, c). the effective use of top gas, d). the possibility of eliminating blast furnace stoves. Originality/value: of the paper consist in transfer of knowledge helpful to further lowering energy for iron production and reducing harmful impact for the natural environment.

Słowa kluczowe

EN

iron manufacturing; worldwide production; blast furnace; technology; modernization; future prospects

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2012
• Tom: Vol. 55, nr 2
• Strony: 889--894
• Opis fizyczny: Bibliogr. 12 poz., rys., tab.

Twórcy

autor

Mróz J.

• Częstochowa University of Technology, Al. Armii Krajowej 19, 42-200 Częstochowa, Poland

Bibliografia

• [1] www.worldsteel.org.
• [2] D-J. Min, Current status and future tasks of the ironmaking process technology, Proceedings of the 5th International Congress on the Science and Technology of Ironmaking, Shanghai, China, 2009, 63-69.
• [3] M. Geerdes, H. Toxopeus, G. Galis, On the future of blast furnace ironmaking, Proceedings of the 8th Ironmaking Conference IAS’2011, Rosario, Santa Fe, Argentina, 2011, 183-191.
• [4] N. Oyama, H. Sato, K. Takeda, et al., Development of coating granulation process at commercial sintering plant for improving productivity and reducibility, ISIJ International 45 (2005) 817-826.
• [5] M. Nitta, H. Nakamura, A. Ishii, Development of carbon blocks for blast furnace hearths, Nippon Steel Technical Report 98 (2008) 49-54.
• [6] http://www.jfe-steel.co.jp/release/2009/06/090615.html.
• [7] New Energy and Industrial Technology Development Organization (NEDO), Outline of NeDo, 2007-2008, (2007) 114.
• [8] F. Rorick, J. Poveromo, Ironmaking in North America, Proceedings of the 3rd International Conference on Science and Technology of Ironmaking, METEC‘03, Dusseldorf, 2003, 17-26.
• [9] F.C. Rorick, et al., Improvement in blast furnace operating results by reprofiling the furnace stack by robotic shotcreting, Proceedings of the 5th European Coke and Ironmaking Conference, Jernkontoret, Stockholm, 2005.
• [10] A. Cheng, F.C. Rorick, J.J. Poveromo, Recent developments in North American ironmaking, Proceedings of the 5th International Congress on the Science and Technology of Ironmaking, Shanghai, China, 2009, 27-33.
• [11] M. Peters, H.B. Lungen, Ironmaking in Western Europe, Proceedings of the 5th International Congress on the Science and Technology of Ironmaking, , Shanghai, China, 2009, 20-26.
• [12] S. Zhang, H. Yin, The trends of ironmaking industry and challenges to Chinese blast furnace ironmaking in the 21st century, Proceed. of the 5th International Congress on the Science and Technology of Ironmaking, Shanghai, China, 2009, 1-13.