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西北某难处理铁矿选矿试验研究 2018年2月10日 【正式出版版本】 【曾经优先出版版本】
西北某难处理铁矿选矿试验研究
Test research on beneficiation of a refractory iron ore from northwest area 2018年2月10日 【正式出版版本】 【曾经优先出版版本】
Test research on beneficiation of a refractory iron ore from northwest area
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摘要： - 针对西北某铁矿矿物组成、嵌布关系复杂及嵌布粒度较细的特点,进行了选矿试验研究.试验结果表明:原矿在焙烧温度700℃、焙烧时间50 min条件下,进行中性焙烧后,再经磨矿-弱磁选-弱磁选尾矿强磁选流程处理后,可获得铁品位为66 85％、回收率为45 67％的弱磁选精矿和铁品位为62 80％、回收率为38 98％的强磁选精矿,综合精矿铁品位为64 92％、回收率为84 65％.
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Abstract： - In view of the characteristics of a iron ore from northwest area such as complication of mineral composition and dissemination relationship as well as fine dissemination size,the beneficiation test and research were conducted The test results showed:after the crude ore being neutrally roasted for 50 min at 700 ℃,the roasted ore was ~eated with the beneficiation process involving grinding,low-intensity magnetic separation,high-intensity magnetic separation of railings from the low-intensity magnetic separation in sequence,and then the concentrate from low-intensity magnetic separation with Fe grade of 66.85％ and recovery of 45.67％ as well as the concentrate from high-intensity magnetic separation with Fe grade of 62.80％ and recovery of 38.98％ were obtained.The integrated concentrate was characterized by Fe grade of 64.92％ and recovery of 84.65％.
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刘剑
李国栋
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| Author： | LIU Jian LI Guodong |
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西北矿冶研究院 甘肃白银730900 |
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矿山机械 ISTIC EI SCI PKU CSSCI |
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Mining & Processing Equipment ISTIC EI SCI PKU CSSCI |
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2018, 46(2) |
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TD925+.9 |
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铁矿石
菱铁矿和褐铁矿
中性焙烧
磁选
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iron ore siderite and limonite neutral roasting magnetic separation |
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2018年3月23日 |
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