| 粉体磁性物含量测试装置研究 |
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| 引用本文： | 史长亮,张义顺,焦红光. 粉体磁性物含量测试装置研究[J]. 矿山机械, 2010, 0(3) |
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| 作者姓名： | 史长亮 张义顺 焦红光 |
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| 作者单位： | 河南理工大学材料科学与工程学院; |
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| 基金项目： | 河南省重点科技攻关资助项目(072102290002);;中国矿业大学教育部重点实验室开放基金资助项目(CPEUKF08-03);;河南省高校科技创新人才基金资助项目(2009HASTIT020) |
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| 摘 要： | 基于目前磁性物含量测定均采用湿式和电磁式测定仪中存在的问题,提出一种干式测试粉体磁性物含量的装置,该装置磁系采用永磁磁系,能够有效地杜绝能源浪费、制浆和脱水干燥等问题。笔者所介绍的磁系是通过矩形钕铁硼磁钢提供的高背景场强,结合锥形软铁聚磁介质产生的高梯度所形成的闭合磁系提供的高磁场分选区域,且通过调节装置对磁系的灵活调节,能够对粉体磁性物进行充分分选,准确地测试粉体磁性物的含量。试验结果表明:整套测试装置简单、灵活、高效,为粉体磁性物含量测试提供了一种简易的分选装置和方法。
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| 关 键 词： | 粉体磁性物 测试装置 干式 永磁 |
Research of testing device for magnetic powder content |
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| SHI Changliang ZHANG Yishun JIAO Hongguang School of Material Science , Engineering,Henan Polytechnic University,Jiaozuo,Henan ,China. Research of testing device for magnetic powder content[J]. Mining & Processing Equipment, 2010, 0(3) |
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| Authors: | SHI Changliang ZHANG Yishun JIAO Hongguang School of Material Science Engineering Henan Polytechnic University Jiaozuo Henan China |
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| Affiliation: | SHI Changliang ZHANG Yishun JIAO Hongguang School of Material Science , Engineering,Henan Polytechnic University,Jiaozuo,Henan 454003,China |
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| Abstract: | Based on the problems that exist in the current testing device for magnetic powder content,such as the wet and electromagnetic models,a new testing device for dry magnetic powder is introduced in this article.The magnetic field system with permanent magnet can effectively solve the energy waste,pulping,dehydration and other problems.The high field strength provided by the rectangular magnet NdFeB,combined with the high gradient generated by tapered soft iron magnetic medium poly,can be shaped in a closed ma... |
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| Keywords: | magnetic powder testing device dry model permanent magnet |
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