球磨机细磨阶段钢段与钢球磨矿效果对比

王旭东,肖庆飞,张谦,杨森,马帅

Comparison of Grinding Effect Between Steel Section and Steel Ball During Fine Grinding Stage of Ball Mill

Xudong WANG,Qingfei XIAO,Qian ZHANG,Sen YANG,Shuai MA

表2 磨机排矿粒度组成

Table 2 Particle size composition of mill discharge

级别/mm 级别产率/% 筛上累计产率/% 筛下累计产率/% 合计 100.00 +0.900 0.17 0.17 100.00 -0.900+0.450 0.63 0.80 99.86 -0.450+0.300 6.21 7.01 99.20 -0.300+0.200 15.88 22.89 92.99 -0.200+0.150 6.46 29.35 77.11 -0.150+0.100 16.89 46.24 70.65 -0.100+0.074 23.97 70.21 53.76 -0.074+0.038 10.96 81.17 29.79 -0.038+0.019 5.98 87.15 18.83 -0.019+0.010 6.61 93.96 12.85 -0.010 6.24 100.00 6.24