Experiment for Partial Reflux Axial-Flow Cyclone Separator with Two-Stage Separation

被引:0
|
作者
Liu B. [1 ]
Feng J. [1 ]
Xia Z. [1 ]
Chang Y. [1 ]
Peng X. [1 ]
机构
[1] School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an
来源
Hsi An Chiao Tung Ta Hsueh | / 7卷 / 84-89期
关键词
Axial-flow cyclone separator; Droplet diameter distribution; Liquid droplet; Reflux; Separation efficiency;
D O I
10.7652/xjtuxb201707013
中图分类号
学科分类号
摘要
To further enhance the efficiency of demister in a flue-gas after desulfuration by wet processes for power plant, a new type of partial reflux cyclone separator with two separation stages is proposed. An experiment rig is constructed to test the performance of cyclone separator, and a droplets generator is designed to produce liquid droplets with different diameters. Malvern particle size analyzer is adopted to obtain the droplet diameter distribution at the inlet and outlet of the separator, and the separation efficiency and resistance loss are measured for different separator parameters under various working conditions. The experiments show that the separation efficiency rises with the increasing number of reflux tanks. At the inlet velocity of 3.9 m/s, the efficiency of separator rises by 66.78% in the case of doubled number of reflux tanks. The efficiency of separator with reflux tanks centered on the separator top reaches higher than that with reflux tanks scattered along the separator. At the inlet velocity of 3.94 m/s, the efficiency rises by16.9%. The height of guide tube affects the efficiency of separator and there exists an optimum ratio of 0.32 between the height of guide tube and the separator. © 2017, Editorial Office of Journal of Xi'an Jiaotong University. All right reserved.
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页码:84 / 89
页数:5
相关论文
共 9 条
  • [1] Luan Y., Wang S., Sun H., Et al., Performance study of an axial-flow gas-liquid cyclone separator without throttleer, Journal of Chinese Society of Power Engineering, 2, pp. 142-147, (2011)
  • [2] Gong G., Yang Z., Zhu S., Et al., Numerical simulation and test of the two-stage turbulence model of axis-in cyclone separator, Journal of Hunan University (Natural Sciences), 39, 2, pp. 19-24, (2012)
  • [3] Safikhani H., Mehrabian P., Numerical study of flow field in new cyclone separators, Advanced Powder Technology, 27, 2, pp. 379-387, (2016)
  • [4] Park C., Song D., Yook S., Development of a single cyclone separator with three stages for size-selective sampling of particles, Journal of Aerosol Science, 89, 11, pp. 18-25, (2015)
  • [5] Brar L.S., Sharma R.P., Effect of varying diameter on the performance of industrial scale gas cyclone dust separators, Proceedings of Materials Today, 2, 4-5, pp. 3230-3237, (2015)
  • [6] Wang L., Gao X., Feng J., Et al., Research on the two-phase flow and separation mechanism in the oil-gas cyclone separator, IOP Conference Series: Materials Science and Engineering, (2015)
  • [7] Nieuwstadt F., Dirkzwager M., A fluid mechanics model for an axial cyclone separator, Industrial & Engineering Chemistry Research, 34, 10, pp. 3399-3404, (1995)
  • [8] Song C., Pei B., Jiang M., Et al., Numerical analysis of forces exerted on particles in cyclone separators, Powder Technology, 294, pp. 437-448, (2016)
  • [9] Fan G., Zhao M., Gao A., Et al., A new method for calculating the critical diameter of the particles in cyclone separators, Cereal & Feed Industry, 5, pp. 13-15, (2004)