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煤炭工程  2015 

起泡剂与充气量对浮选气泡粒度影响规律研究

DOI: 10.11799/ce201503039, PP. 119-121

Keywords: 浮选,气泡粒度,起泡剂,充气量

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Abstract:

为定量研究矿物浮选中起泡剂与充气量对气泡粒度的影响规律,建立了基于图像法的气泡粒度测量系统,在XDL-2L浮选机上,研究了仲辛醇、松油醇和MIBC三种起泡剂在不同浓度、不同充气量条件下的气泡粒度。结果表明随起泡剂浓度增加,气泡粒度逐渐减小,达到临界兼并浓度后,气泡粒度不再变化;三种起泡剂临界浓度分别为仲辛醇0.066mmol/L、松油醇0.113mmol/L、MIBC为0.181mmol/L。气泡粒度随充气量增加基本呈线性增加,线性斜率受起泡剂浓度影响。气泡Sauter直径相同时,气泡粒度分布并不完全相同,而是受起泡剂种类与浓度、以及充气量的综合影响。

References

[1]  R-H YOON.The Role of Hydrodynamic and Surface Forces in Bubble-particle Interaction[J].International Journal of Mineral Processing, 2000, 58(1):129-143
[2]  Weixing WANG, Zhiang ZHOU, K NANDAKUMAR, et al.Attachment of Individual Particles to a Stationary Air Bubble in Model Systems[J].International Journal of Mineral Processing, 2003, 68(1):47-69
[3]  Anh V NGUYEN, Geoffrey M EVANS.Movement of Fine Particles on an Air Bubble Surface Studied Using High-speed Video Microscopy[J].Journal of Colloid and Interface Science, 2004, 273(1):271-277
[4]  Laskowski J, Tlhone T, Williams P, et al.Fundamental Properties of the Polyoxypropylene Alkyl Ether Flotation Frothers[J].International Journal of Mineral Processing, 2003, 72(1):289-299
[5]  EH GIRGIN, S DO, CO GOMEZ, et al.Bubble Size as a Function of Impeller Speed in a Self-aeration Laboratory Flotation Cell[J].Minerals Engineering, 2006, 19(2):201-203
[6]  RA GRAU, K HEISKANEN.Bubble Size Distribution in Laboratory Scale Flotation Cells[J].Minerals Engineering, 2005, 18(12):1164-1172
[7]  张世杰,刘文礼,赵树凯.浮选气泡测量及其影响因素分析[J].煤炭工程, 2014, 46(12):117-119
[8]  RH YOON, GH LUTTRELL.The Effect of Bubble Size on Fine Particle Flotation[J].Mineral Procesing and Extractive Metallurgy Review, 1989, 5(1):101-122
[9]  Gorain B, Franzidis J, Manlapig E.Studies on Impeller Type,Impeller Speed and Air Flow Rate in an Industrial Scale Flotation Cell—part 1: Effect on Bubble Size Distribution[J].Minerals Engineering, 1995, 8(6):615-635
[10]  RA GRAU, K HEISKANEN.Visual Technique for Measuring Bubble Size in Flotation Machines[J].Minerals Engineering, 2002, 15(7):507-513
[11]  KL.SUTHERLANDPhysical Chemistry of Flotation. Xi. Kinetics of the Flotation Process[J].The Journal of Physical Chemistry, 1948, 52(2):394-425
[12]  R-H YOON.Microbubble Flotation[J].Minerals Engineeri ng, 1993, 6(6):619-630
[13]  Randall E. A method for measuring the sizes of bubles in two and three phase systems[J]., 1989, 22(10):827-833
[14]  Deglon D, Egya-mensah D, Franzidis J.Review of Hydrodynamics and Gas Dispersion in Flotation Cells on South African Platinum Concentrators[J].Minerals Engineering, 2000, 13(3):235-244
[15]  Rodrigues R, Rubio J.New Basis for Measuring the Size Distribution of Bubbles[J].Minerals Engineering, 2003, 16(8):757-765
[16]  Cho Y S, Laskowski J S.Effect of flotation frothers on bubble size and foam stability[J].International Journal of Mineral Processing, 2002, 64(2):69-80

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