With mining capacity continuous increase and with mine entering into deep mining stage, the grade of crude ore and the grindability of ore decrease that raise the cost of grinding.
随着矿山规模的不断扩大和进入深部开采，矿石的原矿品位和相对可磨度逐渐降低，磨矿成本随之升高。
2
Tear circle type grinding chamber; two options for rotors, therefore the particle size and capacity can be optimized.