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<p>The coupling relationship between the grinding characteristics of a polymetallic complex ore (PCO) and those of its constituent minerals (CM<sub>S</sub>), including pyrrhotite, sphalerite, and quartz, was investigated using the JK drop-weight test, batch grinding tests, a normalization method, MATLAB programming, and a multivariate linear regression model. The results showed that the significance–test parameters of the coupling relationship satisfied <i>F</i> &gt; 0 and <i>p</i> &lt; 0.05 under different grinding conditions, with all test values falling within the ideal range. The influence of the CM on the grinding characteristics of the complex ore followed the order sphalerite &gt; pyrrhotite &gt; quartz. The quantitatively separated contribution rates of the CMs to the grinding characteristics of the complex ore were consistent with those predicted by the established coupling relationship, and the order of contribution was also sphalerite &gt; pyrrhotite &gt; quartz. These findings indicate that the coupling relationship between the grinding characteristics of the PCO and its CMs can be effectively described using the normalization method, MATLAB programming, and the multivariate linear regression model. The results provide a novel method for characterizing the coupling relationship between PCO and its CM.</p>

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Study on the Coupling Relationship Between the Grinding Characteristics of Multi-component Complex Ore and Its Constituent Minerals

  • 期刊论文

  • 发表日期：

    2026年7月6日

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  • Jinlin Yang,
  • Pengyan Zhu,
  • Yenan Bu,
  • Wenzhe Xu,
  • Shaojian Ma,
  • Dingzheng Wang

摘要

The coupling relationship between the grinding characteristics of a polymetallic complex ore (PCO) and those of its constituent minerals (CMS), including pyrrhotite, sphalerite, and quartz, was investigated using the JK drop-weight test, batch grinding tests, a normalization method, MATLAB programming, and a multivariate linear regression model. The results showed that the significance–test parameters of the coupling relationship satisfied F > 0 and p < 0.05 under different grinding conditions, with all test values falling within the ideal range. The influence of the CM on the grinding characteristics of the complex ore followed the order sphalerite > pyrrhotite > quartz. The quantitatively separated contribution rates of the CMs to the grinding characteristics of the complex ore were consistent with those predicted by the established coupling relationship, and the order of contribution was also sphalerite > pyrrhotite > quartz. These findings indicate that the coupling relationship between the grinding characteristics of the PCO and its CMs can be effectively described using the normalization method, MATLAB programming, and the multivariate linear regression model. The results provide a novel method for characterizing the coupling relationship between PCO and its CM.