东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2012, Vol. 33 ›› Issue (5): 673-676+680.DOI: -

• 论著 • 上一篇    下一篇

液-液流动边界层传质系数的实验研究

李明明;李强;李琳;邹宗树;   

  1. 东北大学材料与冶金学院;
  • 收稿日期:2013-06-19 修回日期:2013-06-19 发布日期:2013-04-04
  • 通讯作者: -
  • 作者简介:-
  • 基金资助:
    国家自然科学基金资助项目(51104037,50774019)

Experimental research on mass transfer coefficient in liquid-liquid flow boundary layer

Li, Ming-Ming (1); Li, Qiang (1); Li, Lin (1); Zou, Zong-Shu (1)   

  1. (1) School of Materials and Metallurgy, Northeastern University, Shenyang 110819, China
  • Received:2013-06-19 Revised:2013-06-19 Published:2013-04-04
  • Contact: Li, Q.
  • About author:-
  • Supported by:
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摘要： 为了研究冶金反应器内渣-金界面的传质,设计了研究液-液流动边界层传质实验.实验在保证油-水界面稳定的情况下,研究了苯甲酸钠示踪物质在油-水界面的传质现象.通过改变水流量Q(0.44~1.60m3/h),利用电导率仪测量苯甲酸钠示踪物质在水中的浓度变化,实验确定了液-液界面流动边界层传质系数的准数方程式,并尝试性地给出了液体黏度以及表面张力与传质系数之间的准数关系式.实验结果与液体流过平板边界层的传质过程作了比较讨论.

关键词: 渣-金界面, 边界层传质, 传质系数, 准数关系式, 水模型

Abstract: Experiment research concerning the mass transfer of flowing boundary layer on a liquid-liquid interface was performed to discuss the mass transfer on the molten slag-metal interface in metallurgical reactor. The mass transfer phenomenon of sodium benzoate on the oil-water interface was analyzed in the condition of keeping oil-water interface flat. The concentration change of sodium benzoate with time in water was measured by conductivity meter when the volume flow of water varied from 0.44 to 1.60 m3/h. A dimensionless number equation with respect to the mass transfer coefficient of flowing boundary layer on the liquid-liquid interface was obtained. Then, a dimensionless number equation between the mass transfer coefficient and viscosity as well as surface tension was given tentatively. The results were compared with the mass transfer of boundary layer in the case of fluid flowing through a flat.

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