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1 磨机给矿粒度组成

Table 1 Particle size composition of mill feed

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 0.41 0.41 100.00 -0.900+0.450 1.81 2.22 99.59 -0.450+0.300 11.42 13.64 97.78 -0.300+0.200 20.51 34.15 86.36 -0.200+0.150 14.85 49.00 65.85 -0.150+0.100 24.72 74.72 51.00 -0.100+0.074 8.04 81.76 26.28 -0.074+0.038 9.85 91.61 18.24 -0.038+0.019 3.53 95.14 8.39 -0.019+0.010 2.46 97.60 4.86 -0.010 2.40 100.00 2.40