摘要
通过超疏水金属微孔板的油水分离技术,能解决油水的绿色、高效地分离的难题。首先,简化超疏水微孔薄板表面微观结构,模拟静置油水分离过程,以及不同输出水流速度冲击超疏水表面。在此基础上,研究压力和微孔孔径对油水分离和流体动能对超疏水表面的影响。结果表明,压力不断增大,水流最终会穿过超疏水微孔板;水与超疏水微孔薄板间产生气垫,有利于增大油滴润湿面积,加快油水分离速度,气垫厚度随着微孔孔径的增大而减小;输出水流速度增大,动能增大,水流能通过微孔。
The oil-water separation technology of super-hydrophobic metal microporous plates can solve the problem of green and efficient separation of oil and water. First, simplify the surface microstructure of the super-hydrophobic microporous sheet, simulate the process of standing oil-water separation, and impact the super-hydrophobic surface with different output water flow speeds.On this basis, the effects of pressure and pore size on oil-water separation and fluid kinetic energy on superhydrophobic surfaces were studied. The results show that with increasing pressure, the water flow will eventually pass through the superhydrophobic microporous plate;an air cushion is formed between the water and the superhydrophobic microporous sheet, which is beneficial to increase the wetting area of oil droplets and accelerate the oil-water separation speed. The pore diameter increases and decreases;the output water flow speed increases, the kinetic energy increases,and the water flow can pass through the micropores.
作者
刘伟男
朱成杰
杨朝忠
赵茂俞
Liu Weinan;Zhu Chengjie;Yang Chaozhong;Zhao Maoyu(School of Biological Food and Environment,Hefei University,Hefei 230601;Advanced Manufacturing Institute,Hefei University,Hefei 230601,China)
出处
《广东化工》
CAS
2021年第8期60-62,68,共4页
Guangdong Chemical Industry
关键词
油水分离
超疏水
微孔
数值模拟
oil-water separation
Super hydrophobic
Super oil wet
Microporous
The numerical simulation
