甘肃洛坝铅锌矿选矿流程考察与优化
周贺鹏,胡洁,段朝阳,邓攀,钟志刚,张永兵

Investigation and Optimization of Processing Flowsheet for a Luoba Lead-zinc Mine in Gansu Province
Hepeng ZHOU,Jie HU,Chaoyang DUAN,Pan DENG,Zhigang ZHONG,Yongbing ZHANG
表4 磨矿分级作业粒度组成
Table 4 Particle size composition of grinding classification
产品名称粒级/μm产率/%品位/%分布率/%
PbZnSiO2PbZnSiO2
磨机排矿+7456.070.262.5240.4725.6953.5559.81
-7443.930.962.7934.7174.3146.4540.19
合计100.00100.00100.00100.00
分级返砂+7490.680.812.9536.5477.4989.4791.67
-749.322.293.3832.3122.5110.538.33
合计100.00100.00100.00100.00
分级溢流+12519.880.132.6739.84.2920.0821.42
-125+7410.790.131.346.972.335.3113.73
-74+4514.140.13.1637.982.3516.9114.55
-45+386.311.023.3336.210.687.956.18
-3848.880.992.6933.3480.3549.7544.12
合计100.00100.00100.00100.00