| 基于矿石冲击破碎特性提高球磨机磨矿效率的探讨 |
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| 引用本文： | 魏可峰,魏德洲,韩聪,崔晓亮,何经纬,傲然.基于矿石冲击破碎特性提高球磨机磨矿效率的探讨[J].矿产保护与利用,2019,39(1):35. |
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| 作者姓名： | 魏可峰 魏德洲 韩聪 崔晓亮 何经纬 傲然 |
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| 作者单位： | 1.中冶沈勘工程技术有限公司，辽宁 沈阳 110169 |
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| 摘 要： | 针对提高球磨机磨矿效率问题，提出了矿石冲击破碎特性的简易测定方法，构建了依据矿石冲击破碎特性数据，通过确定钢球在落回点与被磨颗粒接触瞬间的动量法向分量，使之更有效地对矿粒实施冲击破碎和研磨。研究结果表明，本文采用的测定装置，可以较为方便地获取体现矿石样品冲击破碎特性的数据，进而得出矿石样品的适宜冲击破碎动量；针对拟采用的球磨机规格，据此可以较为方便地确定适宜采用的钢球尺寸和球磨机的转速率，以便获得较为理想的磨矿效率。
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| 关 键 词： | 球磨机 磨矿效率 冲击破碎特性 |
| 收稿时间： | 2018-12-21 |
New Effort in Improving Ball Mill's Grinding Efficiency Based on Impact Crushing Characteristics of Ore |
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| Affiliation: | 1.Shen Kan Engineering and Technology Corporation, MCC., Shenyang 110169, China2.Northeastern University, Shenyang 110819, China |
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| Abstract: | In order to improve the grinding efficiency of ball mills, a simple device of determining the impact crushing characteristics of ore is proposed and the characteristics data of the ore can be constructed based on the test results in this paper. Further, the performance of impact crushing and grinding of steel ball can be improved effectively by adjusting the normal component of the momentum between the ball and ore particles in falling and contacting moment. Research results show that data reflecting the impact crushing characteristics of the ore can be obtained conveniently via the device, and then the demanded impact crushing momentum for the ore sample can be confirmed. Appropriate steel ball size and mill speed can be confirmed conveniently according to the mill's chamber, and the comparatively ideal grinding efficiency will be obtained. |
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