Study on Sintering Technology of Manganese Ore Fines Strengthened by Pellet-Sintering Process

IF 2.5 3区材料科学 Q3 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY Journal of Sustainable Metallurgy Pub Date : 2024-06-20 DOI:10.1007/s40831-024-00866-7

Wei Liu, Deqing Zhu, Jian Pan, Zhenning Wei, Congcong Yang, Zhengqi Guo, Wuju Zhang, Zhiyong Ruan, Lirong Jiang

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Abstract

The experimentation allowing comparison of manganese ore fines pellet sintering and traditional sintering of manganese ore fines in terms of sintering performance are studied. The results show that, compared with traditional sintering, the pellet-sintering process can significantly reduce the coke level while ensuring the quality of sinter. Pellet sintering required 10.54 kgce/t lower solid fuel rate in total and 26.28 kgCO₂/t lower CO₂ emission rate than traditional one, of which solid fuel consumption and CO₂ emission rate are 88.7 kgce/t and 221.13 kgCO₂/t, respectively. In addition, pellet-sintering products exhibit higher electrical resistivity and a superior tumble index compared to traditional manganese sintered products. Compared with traditional sintering, the electrical resistivity and tumbling index of pellet-sintering products are changed from 30.6 MΩ·m, 51.7% to 49.9 MΩ·m, and 62.5%, respectively. It provides a new method for low-carbon production of manganese ore fines.

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球团-烧结工艺强化锰矿粉烧结技术研究

通过实验对锰矿粉球团烧结和传统锰矿粉烧结的烧结性能进行了比较研究。结果表明，与传统烧结工艺相比，球团烧结工艺在保证烧结矿质量的同时，还能显著降低焦炭含量。与传统烧结工艺相比，球团烧结所需的固体燃料总量降低了 10.54 kgce/t，CO2 排放量降低了 26.28 kgCO2/t，其中固体燃料消耗量和 CO2 排放量分别为 88.7 kgce/t 和 221.13 kgCO2/t。此外，与传统的锰烧结产品相比，球团烧结产品具有更高的电阻率和更优越的翻滚指数。与传统烧结相比，球团烧结产品的电阻率和翻滚指数分别从 30.6 MΩ-m、51.7% 提高到 49.9 MΩ-m、62.5%。它为锰矿粉的低碳生产提供了一种新方法。图文摘要

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来源期刊

Journal of Sustainable Metallurgy Materials Science-Metals and Alloys

CiteScore

4.00

自引率

12.50%

发文量

151

期刊介绍： Journal of Sustainable Metallurgy is dedicated to presenting metallurgical processes and related research aimed at improving the sustainability of metal-producing industries, with a particular emphasis on materials recovery, reuse, and recycling. Its editorial scope encompasses new techniques, as well as optimization of existing processes, including utilization, treatment, and management of metallurgically generated residues. Articles on non-technical barriers and drivers that can affect sustainability will also be considered.