摘要
结合安各庄铁矿采空区现状,采用上向分层充填工艺进行空区处理和残矿回收,有效解决了原采场未留设人行通风天井和矿石溜井的问题,提高矿石回收率36个百分点,降低贫化率5.6个百分点,在充填治理空区的同时充分回收了空区上部残留矿石,经济效益和社会效益显著。
According to the situation of goal in An Gezhuang iron mine,upward cut-and-fill mining was applied to dispose goaf and recover residual ore, and some problems such as there were no service - air raise and ore - pass raise in stope were solved effectively, the ore recovery rate was increased by 36% and the ore dilution rate was reduced by 5.6%. The goaf was disposed by filling, at the same time the residual ore on the top of goaf was recycled efficiently, resulting in remarkable economic benefit and social benefit.
出处
《矿业研究与开发》
CAS
北大核心
2011年第5期16-17,65,共3页
Mining Research and Development
基金
河北省唐山市科学技术与发展计划项目(09110213c)
关键词
空区充填
残矿回收
尾砂充填
Filling god,Recovery of residual ore,Tailings filling
