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Preparation and Optimization of Vanadium Titanomagnetite Carbon Composite Hot Briquette: A New Type of Blast Furnace Burden

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Abstract

A new type of blast furnace burden, named VTM-CCB (vanadium titanomagnetite carbon composite hot briquette), is proposed and optimized in this paper. The preparation process of VTM-CCB includes two components, hot briquetting and heat treatment. The hot-briquetting and heat-treatment parameters are systematically optimized based on the Taguchi method and single-factor experiment. The optimized preparation parameters of VTM-CCB include a hot-briquetting temperature of 300°C, a coal particle size of <0.075 mm, a vanadium titanomagnetite particle size of <0.075 mm, a coal-added ratio of 28.52%, a heat-treatment temperature of 500°C and a heat-treatment time of 3 h. The compressive strength of VTM-CCB, based on the optimized parameters, reaches 2450 N, which meets the requirement of blast furnace ironmaking. These integrated parameters provide a theoretical basis for the production and application of a blast furnace smelting VTM-CCB.

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Acknowledgements

The authors are especially grateful to the National Natural Science Foundation of China (51574067) and the National High Technology Research and Development Program of China (Nos. 2012AA062302 and 2012AA062304).

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Authors and Affiliations

  1. School of Metallurgy, Northeastern University, Shenyang, 110819, People’s Republic of China

    W. Zhao, H. T. Wang, Z. G. Liu, M. S. Chu, Z. W. Ying & J. Tang

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  1. W. Zhao
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  2. H. T. Wang
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  3. Z. G. Liu
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  4. M. S. Chu
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  5. Z. W. Ying
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  6. J. Tang
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Correspondence to W. Zhao.

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Zhao, W., Wang, H.T., Liu, Z.G. et al. Preparation and Optimization of Vanadium Titanomagnetite Carbon Composite Hot Briquette: A New Type of Blast Furnace Burden. JOM 69, 1737–1744 (2017). https://doi.org/10.1007/s11837-017-2359-x

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  • DOI: https://doi.org/10.1007/s11837-017-2359-x

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