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Jiangxi Nonferrous Metals Society
ISSN：1674-9669
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CODEN YJKYA9
Volume 13 Issue 2
Apr.  2022
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LIU Xiaofeng, KANG Jianxiong. Ground product size characteristics of mixing ore of andesite porphyrite and granite porphyry[J]. Nonferrous Metals Science and Engineering, 2022, 13(2): 107-112. DOI: 10.13264/j.cnki.ysjskx.2022.02.015
Citation: LIU Xiaofeng, KANG Jianxiong. Ground product size characteristics of mixing ore of andesite porphyrite and granite porphyry[J]. Nonferrous Metals Science and Engineering, 2022, 13(2): 107-112. DOI: 10.13264/j.cnki.ysjskx.2022.02.015
shu

Ground product size characteristics of mixing ore of andesite porphyrite and granite porphyry

  • Jinduicheng Molybdenum Co., Ltd., Weinan 714100, Shanxi, China

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  • Received Date: July 22, 2021
  • Revised Date: August 26, 2021
  • Available Online: May 09, 2022
    Graphical Abstract
    • Abstract
  • Since the hardness of different rocks in raw ore varies, a suitable ore mix can help stabilize the crushing effect and thus the beneficiation index. In this paper, the crushing law of two molybdenum ores, andesite and granite porphyry, during the crushing process was studied. The results showed that the average compressive strength of andesite was 238.16 kg/mm2 and that of granite porphyry was 171.65 kg/mm2; the A×b value of andesite was 60.6 and that of granite porphyry was 129.8, and the crushing resistance of andesite was greater than that of granite porphyry. Because the vein minerals of granite porphyry are mainly quartz, the abradability of andesite is higher than that of granite porphyry. When the mass ratio of andesite to granite porphyry was 2:1, the highest content of nascent < 0.074 mm, and the lowest grinding energy consumption could be obtained. Therefore, making full use of the two ores with different hardnesses for ore blending could help stabilize the grinding and improve the utilization efficiency of mineral resources.
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