D0L:10.13374.issn1001-053x.2013.09.021 第35卷第9期 北京科技大学学报 Vol.35 No.9 2013年9月 Journal of University of Science and Technology Beijing Sep.2013 深井矿山充填满管输送理论及应用 刘晓辉)，吴爱祥)，王洪江)凶，焦华)，李辉)，严庆文) 1)北京科技大学土木与环境工程学院，北京100083 2)云南驰宏锌锗股份有限公司，曲靖655011 ☒通信作者，E-mail:wanghj1988@126.com 摘要为了提高深井矿山充填管道的满管状态，提出以满管率作为系统满管状态定量描述指标，基于水力学输送理论 推导了满管率的数学模型，并对其影响因素作了理论分析，明确减小管道直径及增大系统流量是提高满管率的最佳途 径.基于管道两相流理论，建立了管径、流速以及满管率关系的数学表达式，为系统最佳输送参数的选取提供了理论依 据.对某深井矿山充填系统进行的局部改造结果显示：将系统原Φ150mm水平管道替换为中85mm管道，同时增大流 量至803h-1,系统满管率为原来的6倍，有效减轻了管道磨损. 关键词深井刊矿山：膏体充填：管道：输送：磨损 分类号TD853 Full-flow transport theory and its application in deep mine backfilling LIU Xiao-hui),WU Ai-riang),WANG Hong-jiang),JIAO Hua-zhe),LI Hui),YAN Qing-wen2) 1)School of Civil and Environmental Engineering,University of Science and Technology Beijing,Beijing 100083,China 2)Yunnan Chihong Zn Ge Co.Ltd.,Qujing 655011,China Corresponding author,E-mail:wanghj1988@126.com ABSTRACT In order to improve the full-flow state of backfilling pipelines in deep mines,full-flow ratio was put forward to regard as a quantitative index to describe the full-flow state of the filling system.At the same time a mathematical model of full-flow ratio was deduced based on the hydraulic transmission theory and its influence factors were also analysed in theory by using the mathematical model.It is found that reducing the pipe diameter or increasing the slurry flow velocity is the best way to increase the full-flow ratio.On the basis of the pipe two-phase flow theory,a mathematical expression about the relationship of the pipe diameter,velocity,and full-flow ratio was also established, which provides a theoretical basis of selecting the best conveying parameters for the filling system.A local reform, replacing 150 mm pipes with 85 mm pipes and increasing the flux to 80 m3.h-simultaneously,was carried out in a deep mine filling system.The results show that the full-flow ratio of such system is able to be improved by 6 times and the pipe wearing can be reduced effectively. KEY WORDS deep mines;paste backfilling;pipelines;transportation;wear 音体充填是近年来矿山充填技术的发展方向，流充填系统中，充填倍线较大，系统自然压头较小， 其浆体浓度大，黏度高，管道输送时呈结构流，沿 常采用大直径管道以降低沿程阻力：而对于深部开 程阻力较大，一般采用泵压输送，充填倍线满足要采矿山，由于充填倍线较小，系统自然压头大于沿 求时亦可自流输送四.与泵压输送技术相比，膏体程阻力损失从而产生剩余压头，由此导致严重的钻 管道自流输送技术具有环保、节能和经济的优点， 孔与管道磨损问题阁.因此，在深井矿山的自流输 是最理想的充填输送形式冈.在浅井矿山的膏体自 送系统中，究竟应该采用大直径管道还是小直径管 收稿日期：2012-07-01 基金项目：“十二五”因家科技支撑计划资助项目(2012BAB08B02):国家自然科学基金资助项目(50934002,51104011,51074013)第 35 卷 第 9 期 北 京 科 技 大 学 学 报 Vol. 35 No. 9 2013 年 9 月 Journal of University of Science and Technology Beijing Sep. 2013 深井矿山充填满管输送理论及应用 刘晓辉 1)，吴爱祥 1)，王洪江 1) , 焦华喆 1)，李 辉 1)，严庆文 2) 1) 北京科技大学土木与环境工程学院，北京 100083 2) 云南驰宏锌锗股份有限公司，曲靖 655011 通信作者，E-mail: wanghj1988@126.com 摘 要 为了提高深井矿山充填管道的满管状态，提出以满管率作为系统满管状态定量描述指标，基于水力学输送理论 推导了满管率的数学模型，并对其影响因素作了理论分析，明确减小管道直径及增大系统流量是提高满管率的最佳途 径. 基于管道两相流理论，建立了管径、流速以及满管率关系的数学表达式，为系统最佳输送参数的选取提供了理论依 据. 对某深井矿山充填系统进行的局部改造结果显示：将系统原 φ150 mm 水平管道替换为 φ85 mm 管道，同时增大流 量至 80 m3 ·h −1，系统满管率为原来的 6 倍，有效减轻了管道磨损. 关键词 深井矿山；膏体充填；管道；输送；磨损 分类号 TD853 Full-flow transport theory and its application in deep mine backfilling LIU Xiao-hui 1), WU Ai-xiang 1), WANG Hong-jiang 1) , JIAO Hua-zhe 1), LI Hui 1), YAN Qing-wen 2) 1) School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China 2) Yunnan Chihong Zn & Ge Co. Ltd., Qujing 655011, China Corresponding author, E-mail: wanghj1988@126.com ABSTRACT In order to improve the full-flow state of backfilling pipelines in deep mines, full-flow ratio was put forward to regard as a quantitative index to describe the full-flow state of the filling system. At the same time a mathematical model of full-flow ratio was deduced based on the hydraulic transmission theory and its influence factors were also analysed in theory by using the mathematical model. It is found that reducing the pipe diameter or increasing the slurry flow velocity is the best way to increase the full-flow ratio. On the basis of the pipe two-phase flow theory, a mathematical expression about the relationship of the pipe diameter, velocity, and full-flow ratio was also established, which provides a theoretical basis of selecting the best conveying parameters for the filling system. A local reform, replacing φ150 mm pipes with φ85 mm pipes and increasing the flux to 80 m3 ·h −1 simultaneously, was carried out in a deep mine filling system. The results show that the full-flow ratio of such system is able to be improved by 6 times and the pipe wearing can be reduced effectively. KEY WORDS deep mines; paste backfilling; pipelines; transportation; wear 膏体充填是近年来矿山充填技术的发展方向， 其浆体浓度大，黏度高，管道输送时呈结构流，沿 程阻力较大，一般采用泵压输送，充填倍线满足要 求时亦可自流输送 [1] . 与泵压输送技术相比，膏体 管道自流输送技术具有环保、节能和经济的优点， 是最理想的充填输送形式 [2] . 在浅井矿山的膏体自 流充填系统中，充填倍线较大，系统自然压头较小， 常采用大直径管道以降低沿程阻力；而对于深部开 采矿山，由于充填倍线较小，系统自然压头大于沿 程阻力损失从而产生剩余压头，由此导致严重的钻 孔与管道磨损问题 [3] . 因此，在深井矿山的自流输 送系统中，究竟应该采用大直径管道还是小直径管 收稿日期：2012-07-01 基金项目：“十二五” 国家科技支撑计划资助项目 (2012BAB08B02)；国家自然科学基金资助项目 (50934002, 51104011, 51074013) DOI:10.13374/j.issn1001-053x.2013.09.021