Simulation and experiment of backfilling pipeline transportation of solid-liquid two-phase flow based on CFD

被引：0
|
作者：
Wu, Di [1 ,2 ]
Cai, Si-Jing [1 ,2 ]
Yang, Wei [1 ,2 ]
Wang, Wen-Xiao [3 ]
Wang, Zhang [3 ]
机构：
[1] State Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China
[2] School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
[3] Magang Group Mining Co. Ltd., Ma'anshan 243000, China
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2012年 / 22卷 / 07期
关键词：
Liquids - Numerical models - Pipelines - Two phase flow - Computation theory;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In order to solve the gravity transportation problems of backfilling slurry by pipelines in Hemushan Iron Mine, solid-liquid two-phase flow theory and computational fluid dynamics (CFD) method were used. Two-phase flow control equations of backfilling slurry in the pipeline through the gravity transportation were established. The three-dimensional (3D) mesh model of real pipeline was established using soft Gambit and the numerical simulation was conducted in the 3D solver of Fluent. Through analyzing resistance loss of the pipeline and force condition of the elbow, optimal transportation concentration and volume flow of the backfilling slurry were acquired. The slump test and natural settlement test of backfilling slurry and in-situ industrial transportation test verify the reliability of the numerical simulation results. The research results provide important basis for the parameter selection of the permanent backfilling system in the mine.
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页码：2133 / 2140
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