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有色金属(选矿部分):2021,(3):41-44
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钒钛磁铁矿Bond球磨功指数测定试验研究
何逵
(攀枝花学院 钒钛学院)
The Experiment Study of Bond Mall Mill Work Index of Vanadic Titanomagnetite
He Kui
(Institute of Vanadium Titanium,Panzhihua University)
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本文已被:浏览 24次   下载 19
投稿时间:2020-06-17    修订日期:2020-06-24
中文摘要: 以-3.35mm、-1.7mm、-0.83mm、-0.425mm四种粒级的钒钛磁铁矿为试验原料,开展Bond球磨功指数测定试验,获得了-0.15 mm、-0.096 mm、-0.075 mm、-0.058 mm产品下的Bond功指数,建立了给料粒级、产物粒级与功指数之间的数学模型,同时将邦德功指数试验转换为工业试验。研究结果表明:功指数与给料粒度、产物粒度成反比例关系;功指数与给料粒度呈指数函数关系、与控制筛孔尺寸呈二次函数关系;每转新生产物Gbp随着控制筛孔尺寸的减小而减小。工业换算结果显示产物粒度越细,磨矿处理量越小;实际单位功耗与计算单位功耗均随着产物粒度的减小而增大。以上结果为钒钛磁铁矿不同磨矿粒度下磨机计算与选择提供也一定的指导意义。
Abstract:The bond ball milling power index of four different sizes of V-Ti-magnetite was tested (- 3.35mm, - 1.7mm, - 0.83mM, - 0.425mm). The bond power index of four different products was obtained (- 0.15mm, - 0.096mm, - 0.075mm, - 0.058mm). The mathematical model between the feed particle, product particle and power index were established. At the same time, the bond power index test was transformed into industrial test. The results show that the power index is inversely proportional to the feed size and the product size; the power index is exponential function to the feed size and quadratic function to the control screen size. The GBP of new production per revolution decreases with the decrease of the control screen size. The results of industrial conversion show that the finer the particle size of the product, the smaller the grinding capacity.The actual unit power consumption and the calculated unit power consumption increase with the decrease of the particle size of the product. The above results can also provide some guidance for the calculation and selection of the grinding machine with different grinding sizes of vanadic titanomagnetite.
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引用文本:
何逵.钒钛磁铁矿Bond球磨功指数测定试验研究[J].有色金属(选矿部分),2021(3):41-44.
He Kui.The Experiment Study of Bond Mall Mill Work Index of Vanadic Titanomagnetite[J].Nonferrous Metals(Mineral Processing Section),2021(3):41-44.

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