img

QQ群聊

img

官方微信

高级检索

黄金科学技术 ›› 2018, Vol. 26 ›› Issue (5): 615-621.doi: 10.11872/j.issn.1005-2518.2018.05.615

• • 上一篇    下一篇

全磷废料高浓度充填两相流环管试验研究

刘冰1,2,李夕兵1,2   

  1. 1 中南大学资源与安全工程学院,湖南 长沙 410083
    2 中南大学深部金属矿产开发与灾害控制湖南省重点实验室,湖南 长沙 410083
  • 收稿日期:2018-07-25 修回日期:2018-08-31 出版日期:2018-10-20 发布日期:2018-10-31
  • 作者简介:刘冰(1987-),男,湖北潜江人,博士研究生,从事矿山充填研究工作。iceliu2006@csu.edu.cn
  • 基金资助:
    国家自然科学基金项目“深部资源开采诱发岩体动力灾害机理与防控方法研究”(41630642);和国家重点研发计划项目“深部高应力诱导与能量调控理论”(2016YFC0600706)

Study on Two-phase Flow Loop Test of High Concentration Backfill with Total Phosphorus Waste

Bing LIU1,2,Xibing LI1,2   

  1. 1 School of Resources and Safety Engineering,Central South University,Changsha 410083,Hunan,China
    2 Hunan Provincial Key Laboratory of Resources Exploitation and Hazard Control for Deep Metal Mines,Changsha 410083,Hunan,China
  • Received:2018-07-25 Revised:2018-08-31 Online:2018-10-20 Published:2018-10-31

摘要:

为了获取不同浓度的磷石膏充填料浆在管道输送过程中沿程阻力的变化趋势,采用剪切流变试验和环管试验对磷石膏充填料浆的流动性能进行研究。结果显示:磷石膏充填料浆沿程阻力随浓度的增加呈梯度增长,且浓度越高阻力增长越快。在既有充填管网和充填配比情况下,当磷石膏充填料浆管输流量低于190 m3/h时,50%~54%质量浓度的充填料浆沿程阻力变化不大,充填料浆质量浓度可提高至54%进行管道输送。鉴于充填管网的复杂性、弯头和坡度等均会导致充填管道输送总阻力损失的增加,充填系统设计须留有余量。

关键词: 磷石膏, 充填料浆, 废料充填, 屈服应力, 沿程阻力, 环管试验

Abstract:

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

中图分类号: 

  • TD853

图1

不同浓度的磷石膏充填料浆剪切流变试验(据文献[6]修改)"

图2

不同浓度磷石膏充填料浆的平均剪切应力"

图3

不同质量浓度下磷石膏充填料浆屈服应力值"

图4

磷石膏充填料浆环管试验装置"

图5

磷石膏充填料浆不同流速下的沿程阻力"

图6

不同浓度磷石膏充填料浆平均沿程阻力"

图7

一级泵站到充填站的距离"

图8

不同浓度磷石膏充填料浆工业试验沿程阻力"

图9

不同浓度磷石膏充填料浆工业试验总阻力损失"

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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
[1] 李夕兵,刘冰. 硬岩矿山充填开采现状评述与探索[J]. 黄金科学技术, 2018, 26(4): 492-502.
[2] 胡建华,任启帆,亓中华,张纪伟. 卧虎山铁矿采场极限暴露面积回归优化模型[J]. 黄金科学技术, 2018, 26(4): 503-510.
[3] 史采星,郭利杰,陈鑫政. 采场充填料浆流动与离析规律的试验研究[J]. 黄金科学技术, 2018, 26(4): 520-527.
[4] 李文臣,郭利杰,陈鑫政,李宗楠,李欣. 尾砂胶结充填体三维空间强度分布相似模拟试验研究[J]. 黄金科学技术, 2018, 26(4): 528-534.
[5] 王新民, 赵茂阳, 荣帅, 王浩, 张云海. APAM对全尾砂胶结充填体早期强度影响研究[J]. 黄金科学技术, 2018, 26(3): 305-311.
[6] 胡桂英, 刘科伟, 杜鑫, 李萧翰. 光面掏槽爆破技术的研究及其在巷道掘进中的应用[J]. 黄金科学技术, 2018, 26(3): 349-356.
[7] 胡华瑞, 李旭东, 陈庆发, 高飞红. 金属矿床地下采矿方法分类表的修订[J]. 黄金科学技术, 2018, 26(3): 387-394.
[8] 史采星, 郭利杰, 李文臣, 张丹. 铅锌冶炼渣充填胶凝材料研究及应用[J]. 黄金科学技术, 2018, 26(2): 160-169.
[9] 林格, 宫凤强. 不同受力维度下红砂岩失稳评判指标研究[J]. 黄金科学技术, 2018, 26(2): 195-202.
[10] 刘定一, 王李管, 陈鑫, 钟德云, 徐志强. 地下矿中长期计划多目标优化及应用研究[J]. 黄金科学技术, 2018, 26(2): 228-233.
[11] 曹世荣,韩建文,李永欣,王晓军 *,冯萧,卓毓龙. 基于声发射概率密度函数固废胶结充填体损伤分析[J]. 黄金科学技术, 2017, 25(6): 92-98.
[12] 李宗楠,郭利杰*,余斌,史采星 . 基于宾汉姆体的高浓度尾砂浆剪切变稀规律研究[J]. 黄金科学技术, 2017, 25(4): 33-38.
[13] 丁剑锋. 某金矿矿仓治理研究[J]. 黄金科学技术, 2017, 25(4): 52-57.
[14] 白朝阳,王国伟,张鹏,刘拴平. 水平采空区群条件下矿柱回采爆破位置研究[J]. 黄金科学技术, 2017, 25(4): 81-86.
[15] 王新民,荣帅,赵茂阳,张钦礼. 基于变权重理论和TOPSIS的尾砂浓密装置优选[J]. 黄金科学技术, 2017, 25(3): 77-83.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
No Suggested Reading articles found!