Contrast Study on the Radial Velocity of the Flow Field of the Hydrocyclones with Different Inlet Structures

Abstract:

On the base of numerical simulation and theoretical analysis, the flow field of a conventional single-tangential-inlet Hydrocyclone and a newly put forward axial-symmetry double-tangential-inlet hydrocyclone were contrasted. The study shows that the inlet structure of the Hydrocylone has a great influence on the radial velocity of the flow field in the hydrocyclone and that the radial velocity in the hydrocyclone with single-tangential-inlet is not symmetry about the axis of the hydrocyclone; and on the other hand the radial velocity in the hydrocyclone with axial-symmetry double-tangential-inlet is symmetry about the axis of the hydrocyclone. The magnitude of the radial velocity of the flow in the hydrocyclone with single-tangential-inlet is greater than that in the hydrocyclone with axial-symmetry double-tangential-inlet hydrocyclone, which means the hydrocyclone with axial-symmetry double-tangential-inlet has greater capability than the rival one with single-tangential inlet. The symmetry about the axis of the hydrocyclone of the radial velocity means the radial velocities in the place where the radio is the same are constant, which means the hydrocyclone has a great separation efficiency. The conclusion is that changing the conventional hydrocyclone into the one with axial-symmetry double-tangential-inlet structure can offer greater separation capability and efficiency.

• Periodical: Advanced Materials Research (Volume 339)
• Pages: 624-629
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.339.624
• Online since: September 2011
• Authors: Lian Cheng Ren, Zheng Liang, Jiang Meng, Lin Yang, Jia Lin Tian
• Keywords: Axial-Symmetry-Inlet, Hydrocyclone, Radial Velocity, Separation Capability

References

[1] Zhe Liangyin, Chen Wenmei, Li xiaozhong , etc. [J]. Chemical Equipment Technology, 1998, (3) , 1-5 （in Chinese）

[2] Liang Zheng，Ren Liancheng etc.[J]. Journal of Southwest Petroleum Universit. Vol.29(1) ,2007，106～108(in Chinese)

[3] Ren Liancheng, Liang Zheng etc. [J].Jounral of Filtration & Separatio. Vo1．18 No．2 2008（2）15~18 (in Chiese)

[4] K.T. Hsieh and R. K. Rajamani.[J]. AIChE Joural,1991，37(5), 735-746

[5] Liang Zheng, Wang Jingquan, Ren Liancheng, and ete. Study on the Flow Flied Thoery of Solid-Liquid Hydrocyclone. Beijing: China Petrohemical Press, 2010,（in Chinese）

[6] Xu Jirun, Luo Qian. The Flow Flied Thoery of Hydrocyclone. Beijing, Science Press 1998, （in Chinese）

[7] Pang Xueshi. Technologic Calculation about Hydrocyclone. Beijing: China Petroleum Press 1998,（in Chinese）