Thermodynamic Analysis of Iron Ore Sintering Process Based on Biomass Carbon

Mi Zhou, Zhenyu Yu, Panlei Wang, Huaqing Xie, Yongcai Wen and Jianming Li
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Mi Zhou: School of Metallurgy, Northeastern University, No. 11, Lane 3, WenHua Road, HePing District, Shenyang 110819, Liaoning, China
Zhenyu Yu: School of Metallurgy, Northeastern University, No. 11, Lane 3, WenHua Road, HePing District, Shenyang 110819, Liaoning, China
Panlei Wang: School of Metallurgy, Northeastern University, No. 11, Lane 3, WenHua Road, HePing District, Shenyang 110819, Liaoning, China
Huaqing Xie: School of Metallurgy, Northeastern University, No. 11, Lane 3, WenHua Road, HePing District, Shenyang 110819, Liaoning, China
Yongcai Wen: Ansteel Research Institute of Vanadium and Titanium (Iron &Steel), Pangang Group Research Institute Co., Ltd., Panzhihua 617000, Sichuan, China
Jianming Li: Ansteel Research Institute of Vanadium and Titanium (Iron &Steel), Pangang Group Research Institute Co., Ltd., Panzhihua 617000, Sichuan, China

Energies, 2020, vol. 13, issue 22, 1-14

Abstract: The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the composition index of iron ore, namely Fe, FeO, basicity, S, nor the metallurgical properties, namely reduction degradation index and reduction index. However, the replacement has a great effect on the emissions of pollutant gases, including SO 2 , NOx, CO, and CO 2 . The thermodynamic analysis result shows that emissions of pollutant gases produced in the sinter process significantly decrease by using straw charcoal instead of coke breeze in sinter. The sintering maximum temperature has a great influence on sintering technical indicators. The best sintering maximum temperature is between 1300 and 1400 °C, where sinter ore with high quality can be obtained.

Keywords: biomass carbon; iron ore sintering; pollutant emissions; thermodynamic analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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