基于改流体放矿技术的放矿口尺寸试验研究

张淦,陶干强,吴宇轩

Experimental Study on the Ore-drawing Port Size Based on Inserts Ore Drawing Technique

Gan ZHANG,Ganqiang TAO,Yuxuan WU

表2 矿石和废石散体级配

Table 2 Granularity gradation of ore and waste rock

采场级配/mm 室内级配/mm 矿石质量百分比/% 废石质量百分比/% 0~100 0~2 5.0 1.0 100~200 2~4 20.0 1.0 200~300 4~6 60.0 7.0 300~400 6~8 4.5 50.5 400~500 8~10 10.5 40.5