E3S Web Conf.
Volume 218, 20202020 International Symposium on Energy, Environmental Science and Engineering (ISEESE 2020)
|Number of page(s)||7|
|Section||Research on Energy Technology Application and Consumption Structure|
|Published online||11 December 2020|
Review and Thermodynamic Calculation of Gas-based Shaft Furnace Direct Reduction Ironmaking
Energy and Power Engineering, Xi’an Jiaotong University, 710049, China
Different techniques have been used to study the reduction process of iron ore. In this paper, the reduction process of iron ore by CO at 200~1200°C is calculated. The effects of reducing agent overdose, reducing temperature and VCO2/(VCO+VCO2) on reducing degree were studied. The results show that the reduction degree increases with the increase of reducing agent and slows down gradually. During the reduction process, the reduction degree decreased significantly with the increase of VCO2/(VCO+VCO2). In this temperature segment, the reduction degree has a peak.
© The Authors, published by EDP Sciences, 2020
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