摘要
目的:以云南某锡矿选矿厂排放的尾砂为对象,通过试验研究与数值模拟分析尾砂料浆管输模式与输砂效率的影响因素。方法:通过水筛试验测得尾砂级配分布规律,以及料浆流变试验测得料浆流变特性,并结合ANSYS-FLUENT对料浆管输模型模拟计算。结论:对比分析Wasp等判据不足,提出了基于颗粒级配的管输模式新判据,并结合级配模型与流变参数计算了输砂效率,结果与实测值的误差绝对值在5%以内,表明了新判据合理,同时构建了输砂效率计算新模型。意义:研究内容为尾砂料浆管输模式提供了新判据,可为相似情况的矿山尾砂料浆管输应用提供一定的参考价值。
Purpose:Taking the tailings discharged from a tin ore beneficiation plant in Yunnan as the object,this study analyzes the influencing factors of tailings slurry pipeline transportation mode and sand transportation efficiency through experimental research and numerical simulation.Method:The distribution pattern of tailings gradation was measured through water screen test,and the rheological characteristics of slurry were measured through slurry rheological test.Combined with ANSYS-FLUENT,the slurry pipeline transportation model was simulated and calculated.Conclusion:By comparing and analyzing the shortcomings criteria of Wasp et al.,a new criterion for pipeline transportation mode based on particle size distribution was proposed.The sand transportation efficiency was calculated by combining the distribution model and rheological parameters.The absolute error between the results and the measured values was within 5%,indicating that the new criterion is reasonable.At the same time,a new model for calculating sand transportation efficiency was constructed.Significance:The research provides a new criterion for the pipeline transportation mode of tailings slurry,which can provide a certain reference value for the application of similar situations in mine tailings slurry pipeline transportation.
作者
廉柏栋
乔登攀
杨天雨
王俊
李勇明
郑聪
高博
龙赣
LIAN Baidong;QIAO Dengpan;YANG Tianyu;WANG Jun;LI Yongming;ZHENG Cong;GAO Bo;LONG Gan(Faculty of Land Resources Engineering,Kunming University of Science and Technology,Kunming 650093,China)
出处
《有色金属（矿山部分）》
2024年第5期47-57,67,共12页
NONFERROUS METALS(Mining Section)
基金
云南省基础研究专项-青年项目(202301AU070185)
云南省基础研究专项-青年项目(202101AU070022)
昆明理工大学人培基金(KKZ3202021040)。
关键词
尾砂料浆
管输模式
输砂效率
底床层
载体层
数值模拟
tailings slurry
pipeline transportation mode
sand conveying efficiency
bottom bed layer
carrier layer
numerical simulation
作者简介
廉柏栋(1995-),男,硕士研究生,采矿工程专业,主要研究方向为现代采矿理论与技术。E-mail:hnlbd123@163.com;通信作者:乔登攀(1969-),男,教授,博士,采矿工程专业,主要从事现代采矿工艺及理论研究。E-mail:1215550723@qq.com。
