基于H-B指数的谦比希铜矿全尾砂浆临界浓度确定  

Confirmation of Critical Concentration of Full Tailings Slurry of The Chambishi Copper Mine which based on H-B Index

作　　者：胡文达[1,2,3] 焦华喆 王贻明[1,2] 吴爱祥 张晋军[1,2,3] 施发伍 

机构地区：[1]金属矿山高效开采与安全教育部重点实验室 [2]北京科技大学土木与环境工程学院 [3]中色非洲矿业有限责任公司谦比希铜矿

出　　处：《现代矿业》2013年第5期17-19,共3页Modern Mining

基　　金：国家自然科学基金项目(编号:50934002;51104011;51074013);长江学者和创新团队发展计划资助项目(编号:IRT0950);低品位难处理黄金资源综合利用国家重点实验室开放基金(编号:ZJKY2011(B)KFJJ004)

摘　　要：基于H-B流变模型预测谦比希铜矿全尾砂浆重力脱水极限浓度。利用桨式转子流变仪检测不同浓度浆体流变曲线,然后采用H-B模型回归浆体流变参数,最后分析得到流动指数n=1时的浆体浓度为极限浓度。结果表明,流动指数n值随浓度增大而单调减小;浓度为69%、70%左右时,n值最接近1,n=1时的回归浓度为69.11%;全尾砂浆脱水的工业预测值最大约为69%。Limiting concentration of full tailings slurry of Chanbishi Copper Mine by gravity dehydration was predicted based on H-B rheological model. Using propeller type rotor rheometer to test slurry rheology curve of different concentration, then adopted H-B model regress slurry rheology parameters, fi- nally obtained slurry concentration is the limiting concentration when flow index n = 1 through analysis. The results indicated, flow index n value monotonically reduced with concentration increasing; when con- eentration was around 69% ,70%, n value was mostly close to when n = 1 ; the maximum industry predictive value of full

关 键 词：H—B流变指数 全尾砂浆 脱水浓缩 临界浓度 

分 类 号：TD926.4[矿业工程—选矿]