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化工学报  2014 

难选铁矿流态化磁化焙烧研究进展与发展前景

DOI: 10.3969/j.issn.0438-1157.2014.07.005, PP. 2437-2442

Keywords: 难选铁矿,流态化,磁化焙烧,本征动力学,过程强化,模拟

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Abstract:

我国有大量常规选矿方法难以利用的铁矿石资源,实现其利用可增加我国铁矿石资源可利用量,缓解铁矿石供应紧张的局面,提高铁矿石供应安全的保障程度。磁化焙烧-磁选是难选铁矿石利用的重要方法,流态化磁化焙烧是近年来研究的热点。本文综述了磁化焙烧原理、竖炉及回转窑磁化焙烧的技术现状及存在问题,介绍了流化床磁化焙烧发展历史和研发现状,着重总结了低温流态化磁化焙烧在焙烧动力学、过程强化、反应器模拟、关键技术研发及产业化示范方面的研究进展,分析了其在褐铁矿、菱铁矿、赤铁矿及含铁尾渣利用方面的发展前景。

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