甘肃洛坝铅锌矿选矿流程考察与优化
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周贺鹏,胡洁,段朝阳,邓攀,钟志刚,张永兵
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Investigation and Optimization of Processing Flowsheet for a Luoba Lead-zinc Mine in Gansu Province
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Hepeng ZHOU,Jie HU,Chaoyang DUAN,Pan DENG,Zhigang ZHONG,Yongbing ZHANG
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表4 磨矿分级作业粒度组成
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Table 4 Particle size composition of grinding classification
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产品名称 | 粒级/μm | 产率/% | 品位/% | 分布率/% |
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Pb | Zn | SiO2 | Pb | Zn | SiO2 |
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磨机排矿 | +74 | 56.07 | 0.26 | 2.52 | 40.47 | 25.69 | 53.55 | 59.81 | -74 | 43.93 | 0.96 | 2.79 | 34.71 | 74.31 | 46.45 | 40.19 | 合计 | 100.00 | | | | 100.00 | 100.00 | 100.00 | 分级返砂 | +74 | 90.68 | 0.81 | 2.95 | 36.54 | 77.49 | 89.47 | 91.67 | -74 | 9.32 | 2.29 | 3.38 | 32.31 | 22.51 | 10.53 | 8.33 | 合计 | 100.00 | | | | 100.00 | 100.00 | 100.00 | 分级溢流 | +125 | 19.88 | 0.13 | 2.67 | 39.8 | 4.29 | 20.08 | 21.42 | -125+74 | 10.79 | 0.13 | 1.3 | 46.97 | 2.33 | 5.31 | 13.73 | -74+45 | 14.14 | 0.1 | 3.16 | 37.98 | 2.35 | 16.91 | 14.55 | -45+38 | 6.31 | 1.02 | 3.33 | 36.2 | 10.68 | 7.95 | 6.18 | -38 | 48.88 | 0.99 | 2.69 | 33.34 | 80.35 | 49.75 | 44.12 | 合计 | 100.00 | | | | 100.00 | 100.00 | 100.00 |
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