从工艺矿物学角度分析镜铁山式难选氧化铁矿石选矿工艺优缺点-岩石矿物学杂志-CSCIED科技核心评价数据库-手机版

从工艺矿物学角度分析镜铁山式难选氧化铁矿石选矿工艺优缺点

Analysis of the advantages and disadvantages of the Jingtieshan style refractory iron oxide ore beneficiation process from the perspective of process mineralogy

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DOI	10.20086/j.cnki.yskw.2025.3158
刊名	岩石矿物学杂志 Acta Petrologica et Mineralogica
年，卷(期)	2025, 44(2)
作者	张丽丽*，孙洪硕，何跃，张双爱，朱霞丽，王倩，王彩虹,
作者单位	酒泉钢铁(集团)有限责任公司, 甘肃嘉峪关 735102; 甘肃省难选铁矿石资源利用重点实验室, 甘肃嘉峪关 735100
摘要	酒钢镜铁山铁矿属于典型的复杂难选氧化铁矿石,原矿铁品位低,铁矿物种类多,共生关系复杂,矿石极其难选。为了提高镜铁山式难选氧化铁矿石铁精矿的品位、回收率、过滤性能等指标,从工艺矿物学角度入手,分析酒钢镜铁山矿原矿与焙烧矿在嵌布粒度、硬度、密度、磁性等方面的差异及其可选性特征,诊断现用选矿流程的优缺点,并在此基础上,结合不同选矿工艺各自的特点、矿石特性、生产成本、精矿质量和过滤性能等因素,推荐了智能预选-细碎-干磨-悬浮磁化焙烧-重选-磁选-细筛-反浮选的镜铁山式难选氧化铁矿石联合选矿新流程。
Abstract	Jingtieshan iron mine of Jiuquan Iron and Steel Group Co. is a typical complex refractory iron oxide ore. The original ore has a low iron grade, multiple types of iron minerals, and complex symbiotic relationships, making the ore extremely difficult to select. In order to improve the grade, recovery rate, filtration performance and other indicators of concentrate, starting from the perspective of process mineralogy, the differences in disseminated particle size, hardness, density and magnetic properties between raw ore and roasted ore of Jingtieshan complex refractory iron oxide ore and their washability characteristics of JISCO were analyzed to judge the advantages and disadvantages of the current mineral processing technologies. On this basis, combined with the characteristics of different beneficiation processes, ore properties, production costs, concentrate quality, and filtration performance, a new combined beneficiation process of intelligent preselection-fine breaking-dry grinding-suspension magnetization roasting-gravity separation-magnetic separation-fine sieve-reverse flotation is recommended.
关键词	难选氧化铁矿石；工艺矿物学；可选性特征；联合选矿流程；磁化焙烧
KeyWord	refractory iron oxide ore; process mineralogy; separability characteristics; combined beneficiation process; magnetic roasting
基金项目
页码	490-500

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张丽丽*，孙洪硕，何跃，张双爱，朱霞丽，王倩，王彩虹. 从工艺矿物学角度分析镜铁山式难选氧化铁矿石选矿工艺优缺点 [J]. 岩石矿物学杂志. 2025; 44; (2). 490 - 500.

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