主要运输巷道上覆矿体回收实践  

Recovery on the Overlaying Orebody Above the Main Haulage Roadway

作　　者：李青山[1,2] 孙光华 罗佳[3] 周礼[3] 甯瑜琳[3] 

机构地区：[1]华北理工大学矿业工程学院,河北唐山市063000 [2]塔中矿业有限公司 [3]长沙矿山研究院有限责任公司,湖南长沙410012

出　　处：《矿业研究与开发》2016年第7期10-12,共3页Mining Research and Development

摘　　要：塔中矿业1070水平重车道与主斜坡道上覆的2b矿体品位高,回收价值大,但采场空区下盘边界距重车道不足3m,继续回采会危及到矿山主要运输系统的安全。因此,研究提出了巷道支护加固、充填治理空区、副中段回收残留矿石综合方案,不仅有效保证了重车道及斜坡道的安全稳定运行,同时较原采矿方案多回收约13000t矿石。The No.2b orebody above the main slope ramp and heavy lane at 1070 level in Tazhong mine has the characteris- tics of high grade and good recovery value. But according to the distance from footwall boundary of goaf to heavy lane less than 3 m, keeping mining would threatened the safety of main transportation system. Therefore, a comprehensive method was put forward, including drift support, goaf filling and ore recovery in vice-level, which not only effectively guaranteed the stable operation of heavy lane and slope ramp, but also mined about 13000 t of ore more than origi- nal mining plan.

关 键 词：浅孔留矿法 空区治理 巷道支护 废石充填 残矿 回收 

分 类 号：TD853.33[矿业工程—金属矿开采]