设计日处理3000吨的铜矿石浮选厂

3)计算各产物的矿量和产率Q1=Q4=Q7=133.28(t/h)Q5=Q1C1=133.28×2200%=293.22(t/h)Q2=Q3=Q1+Q5=133.28+293.22=426.50(t/h)%21.51)182.01/(%)10%85(%10)???????????????????km????将二段磨矿流程变为预先和检查筛分分开的等效流程计算如图4:8'47'7''8''97一磨二磨一次分级二次分级图3磨矿流程图图4二段磨矿等效流程图%857??%258??Q4=Q7’+Q8’(1)Q47?=Q7’7?+Q8’7?(2)联立方程(1),(2)可求:31.58%)25%85/(%)25%21.51(28.133('''81'7??????????????????QQ(t/h)Q7’’=Q8’=Q4-Q7’=133.28-58.31=74.97(t/h)Q8’’=CⅡQ8’=300%*74.97=224.91(t/h)Q9=Q8=Q8’+Q8’’=74.97+224.91=299.88(t/h)Q6=Q4+Q9=133.28+299.88=433.16(t/h)?????????????%32028.13350.42612????QQ??????320??%27.22528.13388.299188???QQ?%22028.13322.2931?????QQ?%27.325%27.225%10094????????????27.22589??133.28;100426.50;32012345679293.22;2200299.88;225.27426.50;320433.16,325.27 299.88;225.27图例:矿量,t/h;产率,%8一次磨矿二次磨矿133.28;100一次分级133.28;100二次分级(4)绘制磨矿数质量流程图5图5磨矿数质量流程图