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首页> 外文会议>Iron ore 2011 >Innovative Benefi ciation of Iron Ore Fines with allfl ux~? Two-Stage Fluidised Bed Classifi ers and gaustec~? Wet High Intensity Magnetic Separators
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Innovative Benefi ciation of Iron Ore Fines with allfl ux~? Two-Stage Fluidised Bed Classifi ers and gaustec~? Wet High Intensity Magnetic Separators

机译：allflex〜？铁矿石粉的创新受益两级流化床分级机和gaustec〜？湿式高强度磁选机

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摘要

Mineral processing is characterised by a constant adaptation to changing raw materials andrnmarket conditions. It is the link between the mined raw material and a marketable product. Asrna lot of high-grade reserves are exploited, a steady deterioration of raw material quality can bernobserved. At the same time, the customer's requirement for product purity and consistent qualityrnincreases.rnOver recent years benefi ciation techniques for iron ore fi nes have become more important inrnorder to achieve a maximised utilisation of ore resources and to produce competitive productsrnaccording to international standards.rnMany high capacity iron ore benefi ciation plants that target the production of fi nes focus onrngravity separation processes using fl uidised bed classifi ers and spirals or wet high intensityrnmagnetic separators as an alternative. This paper demonstrates the suitability of utilising thernallfl ux~? two-stage fl uidised bed classifi ers to treat iron ore particles up to 2 mm in size as wellrnas showing how the high capacity gaustec~? wet high intensity magnetic separation (WHIMS)rntechnology offers several advantages compared to other WHIMS technology.rnThe combination of the allfl ux~? and gaustec~? technologies offer the following benefi ts:rnThe two-stage fl uidised bed classifi cation extracts a signifi cant amount of concentrate from thernfeed. This in turn reduces the feed capacity required for the gaustec? WHIMS located downstream.rnThe second classifi cation stage produces a -0.5 + 0.1 mm product and a -0.1 mm product. Therneffi ciency of the magnetic separation on these classifi ed products is high due to optimised settingsrnfor each size fraction.
机译：选矿的特点是不断适应不断变化的原材料和市场条件。它是开采的原材料和可销售产品之间的链接。阿斯纳（Asrna）拥有许多高档储量，可以保证原材料质量的稳定下降。同时，客户对产品纯度和稳定质量的要求不断提高。近年来，铁矿砂的选矿技术已变得越来越重要，其目的是实现矿石资源的最大利用并生产符合国际标准的有竞争力的产品。针对细粒生产的高容量铁矿石选矿厂将重点放在重力分离工艺上，该工艺采用流化床分级机和螺旋或湿式高强度磁选机作为替代方案。本文证明了使用rnallfl ux〜？的适用性。两级流化床分级机可处理大小达2毫米的铁矿石颗粒，如井筒一样，显示出高容量的gaustec〜与其他WHIMS技术相比，湿高强度磁分离（WHIMS）技术具有多个优势。还有gaustec〜？这些技术提供了以下好处：•两级流化床分级从饲料中提取出大量的精矿。反过来，这会降低gaustec？所需的进料能力。 WHIMS位于下游。第二个分级阶段产生-0.5 + 0.1 mm产品和-0.1 mm产品。这些分类产品的磁分离效率很高，这是因为每个尺寸部分的设置都经过优化。

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  • 来源
    《Iron ore 2011》|2011年|p.437-443|共7页
  • 会议地点 Perth(AU)
  • 作者

    A Horn; M Wellsted;

  • 作者单位

    Allmineral Aufbereitungstechnik GmbH Co KG, Baumstr 45, Duisburg 47198, Germany. Email: horn@allmineral.com;

    MSP Process Solutions Pty Ltd, Level 3, Suite 3.01, 110 Erindale Road, Balcatta WA 6021. Email: m.wellsted@mspengineering.com.au;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 铁矿石;
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