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3 改流体放矿物理试验数据统计

Table 3 Statistics of physical test data in inserts drawing

方案 放矿口宽度/m 放矿口高度/m 矿岩放出量/g 矿石放出量/g 废石放出量/g 矿石回收率/% 废石混入率/% 1 3 3 16 360 9 047 7 313 53.20 44.70 2 3 4 18 118 8 349 9 769 50.57 53.92 3 3 5 17 310 6 854 10 456 42.54 60.40 4 4 3 19 215 10 331 8 884 61.93 46.24 5 4 4 19 630 8 769 10 861 55.12 55.33 6 4 5 18 504 7 276 11 228 47.55 60.68 7 5 3 21 013 11 077 9 936 68.18 47.29 8 5 4 20 629 9 141 11 488 59.75 55.69 9 5 5 21 750 8 053 13 697 55.24 62.98 10 6 3 22 217 11 574 10 643 73.61 47.91 11 6 4 21 483 9 541 11 942 64.24 55.59 12 6 5 22 348 8 201 14 147 58.89 63.30