Abstract
Successfully developed an innovative process of direct reduction of cold-bound pellets from iron ore concentrate with a coal-based rotary kiln, in comparison with the traditional direct reduction of fired oxide pellets in coal-based rotary kilns, possesses such advantages as: shorter flowsheet, lower capital investment, greater economic profit, good quality of direct reduced iron. The key technologies, such as the composite binder and corresponding feasible techniques were employed in practice. A mill utilizing this process and with an annual capacity of 50 thousand ton DRI has been put into operation.
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Foundation item: The Key Project of the 9th Five-year Plan of Ministry of Science and Technology(No. 96040202A) and the Foundation for University Key Teacher by the Ministry of Education
Biography of the first author: ZHU De-qing, associate professor, received Ph. D. in Mineral Engineering in 1994, majoring in mineral processing and ferrous metallurgy.
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Zhu, Dq., Qiu, Gz., Jiang, T. et al. An innovative process for direct reduction of cold-bound pellets from Iron concentrate with a coal-based rotary kiln. J Cent. South Univ. Technol. 7, 68–71 (2000). https://doi.org/10.1007/s11771-000-0034-8
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DOI: https://doi.org/10.1007/s11771-000-0034-8