Study on Two-phase Flow Loop Test of High Concentration Backfill with Total Phosphorus Waste
Received date: 2018-07-25
Revised date: 2018-08-31
Online published: 2018-10-31
In order to obtain the variation trend of frictional resistance in different concentration phospho-gypsum backfill slurry，the flow performance of the slurry was studied by shear rheological experiment and loop test.The results show that the frictional resistance of phosphogypsum backfill slurry increases multistep with the increase of concentration，and the higher the concentration，the faster the resistance increases.The research results show that under the condition of existing filling pipe network and filling ratio，displacement volume is less than 190 m3/h，frictional resistance change little with concentration of 50%~54%.Therefore，backfill slurry concentration can be raised to 54% for pipeline transportation，at this point the pipeline frictional resistance is around 0.2 kPa/m.In view of the complexity of mine backfill pipeline，the total resistance of transported backfill slurry will be increased，so the design of mine backfill system should make allowances for additional resistance due to the bend pipeline and slope.
Key words： phosphogypsum; backfill slurry; waste backfill; yield stress; frictional resistance; loop test
Bing LIU , Xibing LI . Study on Two-phase Flow Loop Test of High Concentration Backfill with Total Phosphorus Waste[J]. Gold Science and Technology, 2018 , 26(5) : 615 -621 . DOI: 10.11872/j.issn.1005-2518.2018.05.615
| 1 | 李夕兵，周健，王少锋，等. 深部固体资源开采评述与探索[J].中国有色金属学报，2017，27（6）：1236-1262. |
| 1 | Li Xibing ， Zhou Jian ， Wang Shaofeng ，et al. Review and practice of deep mining for solid mineral resources[J].The Chinese Journal of Nonferrous Metals，2017，27（6）：1236-1262. |
| 2 | 赵国彦，侯俊，张小瑞，等. 磷石膏膏体充填体力学特性研究[J].黄金科学技术，2016，24（5）：7-12. |
| 2 | Zhao Guoyan ， Hou Jun ， Zhang Xiaorui ，et al. Study on the mechanical properties of the phosphogypsum paste filling material[J].Gold Science and Technology，2016，24（5）：7-12. |
| 3 | 王新民，古德生，张钦礼. 深井矿山充填理论与管道输送技术[M].长沙：中南大学出版社，2010. |
| 3 | Wang Xinmin ， Gu Desheng ， Zhang Qinli . Filling Theory and Pipeline Transportation Technology in Deep Mine[M].Changsha：Central South University Press，2010. |
| 4 | 刘同有. 充填采矿技术与应用[M].北京：冶金工业出版社，2001. |
| 4 | Liu Tongyou . Technology and Application of Backfill Mining[M].Beijing：Metallurgical Industry Press，2001. |
| 5 | Jewell R J ， Fourie A B . Paste and Thickened Tailings-A Guide[M].Perth：Australian Centre for Geomechanics，2002：15-35. |
| 6 | 李夕兵，刘冰，姚金蕊，等. 全磷废料绿色充填理论与实践[J].中国有色金属学报，2018，28（9）：1845-1865. |
| 6 | Li Xibing ， Liu Bing ， Yao Jinrui ，et al. Theory and practice of green mine backfill with whole phoshate waste[J].The Chinese Journal of Nonferrous Metals，2018，28（9）：1845-1865. |
| 7 | Fall M ， Célestin J ， Sen H F . Potential use of densified polymer-pastefill mixture as waste containment barrier materials[J].Waste Management，2010，30（12）：2570-2578. |
| 8 | Ferraris C F ， Obla K H ， Hill R. The influence of mineral admixtures on the rheology of cement paste and concrete[J].Cement and Concrete Research，2001，31（2）：245-255. |
| 9 | Parmar K P ， Méheust Y ， Schjelderupsen B ，et al. Electrorheological suspensions of laponite in oil：Rheometry studies under steady shear[J].Physics，2006，24（5）：1814-1822. |
| 10 | Roussel N ， Stefani C ， Leroy R. From mini-cone test to Abrams cone test：Measurement of cement-based materials yield stress using slump tests[J].Cement and Concrete Research，2005，35（5）：817-822. |
| 11 | Clayton S ， Grice T G ， Boger D V . Analysis of the slump test for on-site yield stress measurement of mineral suspensions[J].International Journal of Mineral Processing，2003，70（1）：3-21. |
| 12 | 杨志强，王永前，高谦，等. 金川膏体管道输送特性环管试验与减阻技术[J].矿冶工程，2016，36（5）：22-26. |
| 12 | Yang Zhiqiang ， Wang Yongqian ， Gao Qian ，et al. Pipe-loop test for transportation characteristics of paste in Jinchuan mine and corresponding drag reduction technology[J].Mining and Metallurgical Engineering，2016，36（5）：22-26. |
| 13 | 王新民，肖卫国，王小卫，等. 金川全尾砂膏体充填料浆流变特性研究[J].矿冶工程，2002，22（3）：13-16. |
| 13 | Wang Xinmin ， Xiao Weiguo ， Wang Xiaowei ，et al. Study on rheological properies of full tailing paste filling slurry of Jinchuan mine[J].Mining and Metallurgical Engineering，2002，22（3）：13-16. |
| 14 | Li D Y ， Liu B ， He J ，et al. Strength and transportability of cemented phosphogypsum paste backfilling slurry[C]//20th International Seminar on Paste and Thickened Tailings. Beijing：University of Science and Technology Beijing ， 2017：328-335. |
| 15 | 吴爱祥，王洪江. 金属矿膏体充填理论与技术[M].北京：科学出版社，2015. |
| 15 | Wu Aixiang ， Wang Hongjiang . Metal Ore Paste Filling Theory and Technology[M].Beijing：Science Press，2015. |
| 16 | 陈宁生，杨成林，李欢. 基于浆体的泥石流容重计算[J].成都理工大学学报（自然科学版），2010，37（2）：168-173. |
| 16 | Chen Ningsheng ， Yang Chenglin ， Li Huan . Calculation of the debris flow concentration based on debris flow slurry[J].Journal of Chengdu University of Technology（Sciense and Technology Edition），2010，37（2）：168-173. |
/
| 〈 |
|
〉 |