Journal of Central South University

, Volume 18, Issue 5, pp 1413–1417 | Cite as

Features of pipe transportation of paste-like backfilling in deep mine

  • Xin-min Wang (王新民)Email author
  • Jian-wen Zhao (赵建文)
  • Jun-hua Xue (薛俊华)
  • Guo-feng Yu (余国锋)


Based on the pipe transportation of paste-like backfilling system of a certain deep coal mine, its dynamics process was simulated and analyzed. A two-dimensional dynamic model of extraordinary deep and lone pipe was built by GAMBIT, on the basis of which the simulation was done by implicit solver of FLUENT 2ddp. The results show that hydraulic loss of pipe transportation is less than the pressure produced by gravity, which means the backfilling material can flow by itself. When the inlet velocity is 3.2 m/s, the maximum velocity of 4.10 m/s is at the elbow and the maximum velocity in the horizontal pipe is 3.91 m/s, which can both meet the stability requirement. The results of the simulation are proved to be reliable by the residual monitor plotting of related parameter, so it can be concluded that the system of pipe transportation is safe.

Key words

backfilling deep mine paste-like slurry pipe transportation flow 


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  1. [1]
    SHI Yun-yu. Concern of splendor—The investigation report from China mine [J]. The Ministry of Land and Resources, 2005, 2: 6–17. (in Chinese)Google Scholar
  2. [2]
    LI Lei, USUI H, SUZUKI H. Study of pipeline transportation of dense fly ash-water slurry [J]. Coal Preparation, 2002, 22(2): 65–80.CrossRefGoogle Scholar
  3. [3]
    WANG Pei-Xun. Computation of filling waterpower grade in mines [J]. Nonferrous Metals, 2003, 32(1): 8–11.Google Scholar
  4. [4]
    NI F, ZHAO L, MATOUSEK V. Two-phase flow of highly concentrated slurry in a pipeline [J]. Journal of Hydraulics: Series B, 2004, 16(3): 325–331.Google Scholar
  5. [5]
    HU Hua, SUN Heng-hu, HUANG Yu-cheng, YANG Bao-gui. Rheological model and equation of viscoelastic-plasticity of paste-like backfill pulp [J]. Journal of China University of Mining & Technology, 2003, 32(2): 119–122.Google Scholar
  6. [6]
    ZHENG De-xue. Study on the application of long distance gravity transportation of copper concentrate [J]. Metal Mine, 2002(1): 43–45. (in Chinese)Google Scholar
  7. [7]
    WANG Xin, ZHAO Xue-yi. Experimental research on particle characteristics and rheological properties of high concentration red mud [J]. Metal Mine, 2008(1): 107–134. (in Chinese)Google Scholar
  8. [8]
    WANG Xin-min, ZHANG Qin-li. Half technical test scheme of preparation and transportation of paste-like slurry backfilling of coal refuse [R]. Changsha: Central South University, 2005. (in Chinese)Google Scholar
  9. [9]
    WANG Xin-min, DING De-qiang, WU Ya-bin, ZHANG Qin-li, LU Yang-zhe. Numerical simulation and analysis of paste backfilling with piping transport [J]. China Mining Magazine, 2006, 15(7): 57–66. (in Chinese)Google Scholar
  10. [10]
    GONG Zheng-guo. Numerical analysis and research of pipeline hydraulic filling features [D]. Changsha: Central South University, 2005: 82–108.Google Scholar
  11. [11]
    SUPA-AMORNKUL S, STEWARD F R, LISTER D H. Modeling two-phase flow in pipe bends [J]. Journal of Pressure Vessel Technology, 2005, 127(2): 204–209.CrossRefGoogle Scholar
  12. [12]
    JENSEN B B B. Numerical study of influence of inlet turbulence parameters on turbulence intensity in the flow domain: Incompressible flow in pipe system [J]. Professional Engineering Publishing, 2007, 11(4): 23–31.Google Scholar
  13. [13]
    YANG Kang, LIU Ji-pu, MA Wen-bo. Simulation of turbulence data for T pipe basic on FLUENT software [J]. Chemical Equipment Technology, 2008, 29(4): 33–36.Google Scholar
  14. [14]
    LI Wen-guang. Performance computations of centrifugal pump handling viscous oils [J]. Drainage and Irrigation Machinery, 2008, 29(4): 33–364.Google Scholar
  15. [15]
    WANG Rui-jin, ZHANG Kai. FLUENT technical base and application examples [M]. Beijing: Tsinghua University Press, 2007: 21–44. (in Chinese)Google Scholar
  16. [16]
    ZHAO Guo-hua. Simulating and experiment research of resistance characteristics of coal-water-slurry [D]. Nanjing: Southeast University, 2007: 37–38.Google Scholar
  17. [17]
    PATERSON A J C, COOKE R. Design of hydraulic backfill distribution system-lesson from case Studies Proceeding of the Sixth International Symposium on Mining with Backfill Brisbane [C]// Mine Fill’ I998. Australia, 1998: 225–264.Google Scholar
  18. [18]
    WANG Xin-min, LU Yang-ze, ZHANG Qing-li. Simulating and optimizing the configuration parameter of stope in plaster-like filling [J]. Chinese Journal of Underground Space and Engineering, 2008, 4(2): 346–350. (in Chinese)Google Scholar
  19. [19]
    WANG Xin-min. Research on backfilling material and pipe transportation system of deep mines [D]. Changsha: Central South University, 2005, 172–193. (in Chinese)Google Scholar

Copyright information

© Central South University Press and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Xin-min Wang (王新民)
    • 1
    Email author
  • Jian-wen Zhao (赵建文)
    • 1
  • Jun-hua Xue (薛俊华)
    • 2
  • Guo-feng Yu (余国锋)
    • 2
  1. 1.School of Resources and Safety EngineeringCentral South UniversityChangshaChina
  2. 2.Huainan Mining (Group) Co., Ltd.HuainanChina

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