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Optimization of iron ore blending based on replacing Australian low alumina limonite

Journal of Iron and Steel Research International 2023年第9期30卷 1675-1686页

作者： Bin Li Heng Zhou Jian Huang Zong-wang Zhang Xue-feng She Jian-fang Wang Sheng-li Wu Ming-yin Kou State Key Laboratory of Advanced Metallurgy School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing 100083China Shougang Jingtang Iron and Steel Co. Ltd.Tangshan 063200HebeiChina Key Laboratory of Knowledge Automation for Industrial Processes of Ministry of Education School of Automation and Electrical EngineeringUniversity of Science and Technology BeijingBeijing 100083China Delong Iron and Steel Co. Ltd.Xingtai 054009HebeiChina

Mauritanian iron ore powder(OM)has advantages of high iron grade,low aluminum content,and low loss on ignition,which can be used as a new mineral to replace low alumina limonite that has been exhausted in ***,it will have a certain negative impact on sintering because of its high SiO_(2) *** mechanism of SiO_(2) content affecting the sintering behavior was first studied through FactSage ***,the liquid fluidity,penetration,and high-temperature performance of different iron ore powders were ***,the optimization of ore blending structure was studied by the micro-sintering method and the sinter pot *** results show that the increase in SiO_(2) content can reduce the assimilation *** low penetration of OM can lead to an increase in the amount of liquid,and the high SiO_(2) content of OM increases the viscosity of the liquid *** is more,the increase in SiO_(2) also increases the formation of silicate and fayalite phase and inhibits the formation of silico-ferrite of calcium and aluminum(SFCA).To optimize ore blending structure,OM and the low SiO_(2) powder OD from Australia were used together,which improves the content of SFCA by 2.04%and decreases the contents of calcium silicate and fayalite by 0.63%and 4.99%,*** results of the sinter pot test indicated that the properties of sinter have been improved.

关键词： Mauritanian iron ore powder Liquid fluidity Penetration Mineral composition Sintering ore blending Low alumina limonite

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Dynamic management system of ore blending in an open pit mine based on GIS/GPS/GPRS

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Mining Science and Technology 2010年第1期20卷 132-137页

作者： GU Qinghua LU Caiwu GUO Jinping JING Shigun School of Management Xi'an University of Architecture & Technology Xi'an 710055 China Luoyang Luanchuan Molybdenum Industry Group lnc. Luoyang 471500 China

Using GIS, GPS and GPRS, a dynamic management system of ore blending in an open pit mine has been designed and developed. A linear program was established in a practical application. The system is very good at automatically drawing up a daily production plan of ore blending and monitors and controls the process of mining production in real time. Experiments under real conditions show that the performance of this system is stable and can satisfy production standards of ore blending in open pit mines.

关键词： GIS GPS GPRS linear programming ore blending open pit mine

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双约束品位计算机法配矿的研究

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有色金属 1989年第1期41卷 1-10页

作者：邓如平汪锦璋中国有色金属工业总公司中南工业大学

本文主要阐明矿山的矿产资源是一种非再生的耗竭性资源,如何最大限度、最优利用这些矿资源,对提高矿山企业的经济效益和社会效益都具有重要意义。借助于单目标系统线性规划的管理决策方法,提出用单、双约束品位计算法配矿(煤)来求解,使... 详细信息

本文主要阐明矿山的矿产资源是一种非再生的耗竭性资源,如何最大限度、最优利用这些矿资源,对提高矿山企业的经济效益和社会效益都具有重要意义。借助于单目标系统线性规划的管理决策方法,提出用单、双约束品位计算法配矿(煤)来求解,使入选矿石贫富兼容,实现配矿(煤)的最优策略。

关键词： non-regenerative and exhaustible resource ore blending computed curve behaviour “DCG”---double constrained grade

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