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| Sintering Mineralization Characteristics of High-Al manganese ore fines |
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Received:January 20, 2021
Revised:March 01, 2021
Accepted:March 01, 2021
Published Online:June 29, 2021
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| DOI： |
| KeyWord:High-Al manganese fines; Sintering; Mineralization characteristics; Spessartine; Liquid phase |
| Author | Institution |
| zhangyuanbo |
Central south university of school minerals processing and bioengineering,Hunan Changsha |
| caochutian |
Central south university of school minerals processing and bioengineering,Hunan Changsha |
| suzijian |
Central south university of school minerals processing and bioengineering,Hunan Changsha |
| huangjunjie |
Baosteel Resources Holding （shanghai）Co.，Ltd |
| yejing |
Baosteel Resources Holding （shanghai）Co.，Ltd. |
| wangjia |
central south university |
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| Abstract: |
| In recent years, with the increase in domestic demand for manganese ore, the international manganese nugget prices have continued to rise, and the prices of low-grade manganese ore fines are relatively low, the sintering is used to prepare manganese ore fines into sinter, which provides qualified raw materials for silico-manganese alloy, which is of great significance to the production of manganese alloy in my country. Most of the manganese ore raw materials produced by domestic silico-manganese alloy depend on imports, but the aluminum content in imported manganese ore is getting higher and higher. High-content aluminum manganese ore fines has been used in many domestic manganese ore sintering production, but there have been few studies on the influence of aluminum on the sintering and mineralization process of manganese ore fines. This article focuses on the sintering process characteristics and mineralization characteristics of high-Al manganese ore fines. The research results show that high-Al manganese fines sintering under natural basicity conditions can obtain sintering indices, the moisture content of the mixture is about 14.2%, and the coke breeze ratio is 8%, the yield and the tumbling index of sintered ore are 79.90% and 59.80%, respectively. Aluminum participates in the formation of low melting-point spessartine during the sintering process, which acts as the precursor of the liquid phase to promote of the liquid phase in the sintering system. |
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