摘要
南洺河铁矿采用尾砂嗣后胶结充填工艺技术,充填料浆浓度达到66%以上的设计指标,有效治理井下空区问题,减低了因开采对地表的影响,社会综合效益显著。
Nanminghe Iron Co.,Ltd.uses delayed cemented filling technology during mining.And the concentration of slug achieves above 66% of design index.It effectively controls the goaf under well,reduces the influence of mining in ground,and makes social comprehensive benefit prominent.
出处
《价值工程》
2012年第25期15-16,共2页
Value Engineering
关键词
料浆浓度
胶结充填
尾砂
嗣后充填
concentration of slug
delayed filling
tailings
delayed filling
