摘要
傲牛铁矿三采区采用分段凿岩阶段矿房法开采,矿房回采即将结束,下一步将回采矿柱以接续生产。基于此,需要对原有矿房的采空区进行嗣后充填,因此亟待开展全尾砂胶结充填试验研究,为制定采空区充填方案提供基础数据。基于傲牛铁矿全尾砂的粒度组成、输送性能、沉降性能等基础实验,提出了合理的充填料浆浓度范围,并对不同灰砂比、不同浓度的胶结充填体强度进行了对比分析,确定了灰砂比1∶6、料浆浓度76%为最优充填工艺参数,为制定现场的采空区充填方案提供了理论依据。
Sublevel Drilling Stage Room Stoping has been applied in No. 3 mining area of Aoniu Iron Mine, and the accomplishment of stoping is followed by pillar recover for subsequent production. Based on this, it is necessary to carry out the post-filling of the goal of the original mine, therefore cemented filling experiment on unclassified tailings is essential to be carried out to providing basic data for formulating a filling scheme. Tailings granularity, transportation performance and settling performance were measured to propose reasonable range of filling slurry concentration, and cemented backfill strengthin different cement-sand ratios and concentrationswere compared and analyzed, the lime sand ratio of 1 ： 6 and the slurry concentration of 76% were determined as the optimal filling process parameters,providing a theoretical basis for the development of the goal filling scheme on site.
作者
衣福强
周乐
胡世利
邢军
邱景平
YI Fuqiang;ZHOU Le;HU Shili;XING Jun;QIU Jingping(Aoniu Mining Company Limited by Shares,Fushun Hanking Group,Fushun Liaoning 113001,China;Northeastern University,Shenyang 110819,China)
出处
《有色金属（矿山部分）》
2018年第5期40-42,共3页
NONFERROUS METALS(Mining Section）
基金
国家自然科学基金资助项目(51774066)
关键词
傲牛铁矿
全尾砂
胶结充填
灰砂比
充填浓度
Aoniu Iron Mine
unclassified tailings
cemented filling
cement-sand ratio
filling density
作者简介
衣福强（1972-），男，工程师，采矿工程专业，主要从事采矿技术和生产管理工作。;通信作者：周乐（1994-），男，硕士研究生，采矿工程专业，主要从事充填采矿研究。
