摘要
湖北某铜矿为达到高质量膏体充填的目标,针对料浆浓度低、井下排水量大、充填成本高等问题,进行了全尾砂膏体充填配比优化研究。试验结果表明:用胶固粉作为膏体充填胶结材料,满足该矿山生产要求的充填体灰砂比为1∶7,料浆浓度大于68%;用P.O42.5普通硅酸盐水泥作为膏体充填胶结材料,满足该矿山生产要求的充填体灰砂比为1∶3,料浆浓度大于71%;相较于P.O42.5普通硅酸盐水泥,使用胶固粉可节约充填材料成本1 368.7万元/a,经济效益显著;该研究结果可为后期膏体充填工艺中胶结剂的选择提供理论依据。
In order to achieve the goal of high-quality paste filling in a copper mine of Hubei Prov-ince,aiming at the problems of low slurry concentration,large underground drainage and high filling cost,a study on the optimization of the filling ratio of the whole-tailing paste was carried out.The test results show that,when the cementing powder is used as the cementing material for paste filling,the cement-sand ratio of the filling body that meets the production requirements of the mine is 1∶7,and the slurry concentra-tion is greater than 68%.When P.O42.5 ordinary Portland cement is used as paste filling cementing materi-al,the cement-sand ratio of the filling body that meets the production requirements of the mine is 1:3,and the slurry concentration is greater than 71%.Compared with P.O42.5 ordinary Portland cement,the use of cementing powder can save the cost of filling materials by 13.687 million yuan/a,and the economic bene-fits are remarkable.The results of this study can provide a theoretical basis for the selection of binders in the later paste filling process.
作者
赵雄文
熊国雄
毕成
刘鹏鹏
王贻明
ZHAO Xiongwen;XIONG Guoxiong;BI Cheng;LIU Pengpeng;WANG Yiming(Tonglushan Copper-iron Mine,Daye Nonferrous Metals Co.,Ltd.;Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mines;School of Civil and Resources Engineering,University of Science and Technology Beijing)
出处
《现代矿业》
CAS
2024年第2期236-238,242,共4页
Modern Mining
关键词
膏体充填
料浆配比
充填体强度
充填成本
paste filling
slurry ratio
filling body strength
filling cost
