| 基于流体力学理论的全尾砂浆管道输送流变性能 |
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| 引用本文： | 邓代强,高永涛,杨耀亮,吴顺川.基于流体力学理论的全尾砂浆管道输送流变性能[J].北京科技大学学报,2009,31(11). |
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| 作者姓名： | 邓代强 高永涛 杨耀亮 吴顺川 |
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| 作者单位： | 1. 北京科技大学土木与环境工程学院,北京,100083
2. 长沙矿山研究院,长沙,410012 |
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| 摘 要： | 为研究充填料浆流变性能,利用流体力学原理,通过L型管道自流输送实验对其在管道中流动的力学特性进行了分析. 结果表明:料浆浓度、流量和管径对料浆管输阻力和充填倍线大小的作用程度不同,其中料浆浓度影响尤为显著. 在能够实现自流输送的充填倍线合理条件下,采场充填时,当结合充填能力确定流量和管径后,可通过充填站调节制浆浓度以使充填材料在管道输送、采场中沉降、抗离析、脱排水、固结硬化和力学性能等方面表现良好.
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| 关 键 词： | 流变性能 管道输送 宾汉流体 剪切应力 |
Rheological properties of full tailings slurry in pipeline transportation based on the hydromechanics theory |
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| DENG Dai-qiang,GAO Yong-tao,YANG Yao-liang,WU Shun-chuan.Rheological properties of full tailings slurry in pipeline transportation based on the hydromechanics theory[J].Journal of University of Science and Technology Beijing,2009,31(11). |
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| Authors: | DENG Dai-qiang GAO Yong-tao YANG Yao-liang WU Shun-chuan |
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| Institution: | DENG Dai-qiang1),GAO Yong-tao1),YANG Yao-liang2),WU Shun-chuan1)1) School of Civil , Environmental Engineering,University of Science , Technology Beijing,Beijing 100083,China2) Changsha Institute of Mining Research,Changsha 410012,China |
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| Abstract: | To study the rheological properties of filling slurry,using the principle of hydrodynamics,a gravity flow test through a L-shaped pipe was carried out and the mechanical properties of slurry flow in the pipe was analyzed. The results indicated that the flow resistance and filling rate were depended on slurry concentration,flow rate and pipe diameter,among which slurry concentration was the predominant influencing factor. Under the condition of reasonable filling rates at which the gravity flow of slurry can... |
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| Keywords: | rheological properties pipeline transportation Bingham fluids shear stress |
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