焦家金矿磨矿介质配比优化试验研究与应用

衣成玉,裴英杰,马帅

Experimental Study and Application of Grinding Medium Ratio Optimization in Jiaojia Gold Mine

Chengyu YI,Yingjie PEI,Shuai MA

表2 焦家金矿磨矿循环产品粒度组成

Table 2 Particle size composition of Jiaojia gold ore grinding cycle products

粒级/mm 球磨机给矿 旋流器沉砂 旋流器溢流 球磨机排矿 产率/% 正累积产率/% 产率/% 正累积产率/% 产率/% 正累积产率/% 产率/% 正累积产率/% 合计 100.00 - 100.00 - 100.00 - 100.00 - +15.00 0.29 0.29 - - - - - - 15.00~12.00 4.12 4.41 0.16 0.16 - - - - 12.00~8.00 18.38 22.79 1.40 1.56 - - 0.56 0.56 8.00~5.00 32.59 55.38 4.26 5.82 - - 2.31 2.87 5.00~2.50 6.05 61.43 2.30 8.12 - - 2.76 5.63 2.50~0.90 13.21 74.64 8.28 16.40 0.02 0.02 7.94 13.57 0.90~0.45 7.85 82.49 17.03 33.43 0.42 0.44 15.05 28.62 0.45~0.30 4.08 86.57 19.66 53.09 3.12 3.56 17.32 45.94 0.30~0.20 2.22 88.79 12.39 65.48 6.44 10.00 11.54 57.48 0.20~0.15 2.74 91.53 13.53 79.01 15.63 25.63 14.41 71.89 0.15~0.10 1.06 92.59 4.43 83.44 8.83 34.46 4.95 76.84 0.10~0.074 1.00 93.59 3.79 87.23 9.42 43.88 4.22 81.06 0.074~0.038 1.69 95.28 4.38 91.61 16.16 60.04 3.54 84.60 0.038~0.019 1.38 96.66 2.52 94.13 11.39 71.43 6.50 91.10 0.019~0.010 1.05 97.71 1.81 95.94 10.38 81.81 3.25 94.35 -0.010 2.29 100.00 4.06 100.00 18.19 100.00 5.65 100.00