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Advances of non-blast furnace flash iron-making researches |
WANG Jin-liang1, DAI Xi2, ZHANG Wei3, GONG Shu-shan4, ZHOU Guo-zhi5, ZHANG Wen-hai6 |
1. Institute of Engineering and Research, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China; 2. School of Metallurgy and Environment, Central South University, Changsha 410083, Hunan, China; 3. School of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China; 4. Beijing Shentie Technology Co., Ltd., Beijing 100083, China; 5. School of Metallurgical and Ecological Engineering, Beijing University of Science and Technology, Beijing 100083, China; 6. China Nerin Engineering Co., Ltd., Nanchang 330031, Jiangxi, China |
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Abstract Non-blast furnace iron-making is one of the important directions to realize low carbon production in iron and steel industry. It has been studied for nearly a hundred years in foreign countries,and there are more than ten kinds of new processes,such as "direct reduction" and "melt reduction". However,it is a pity that blast furnace has not been successfully replaced so far,which shows that it is very difficult to innovate non-blast furnace iron-making technologies. The work and progress of the basic theory and experimental research of expanding the "flash metallurgy" process used widely in non-ferrous industry to iron-making were introduced,which is based on the thought of "interdisciplinary" between ferrous metallurgy and non-ferrous metallurgy. A non-blast furnace iron-making process characterized by "coal-based atmospheric gasification-suspended flash iron-making" was put forward,and the industrial design scheme and progress of the new iron-making process were also introduced.
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Received: 20 November 2019
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