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The Classification Performance of a Three-Product Cyclone

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Abstract

Conventional (two products) cyclone have been widely used for classification in most mineral plants. But it is hard to satisfy the requirements of some productions by changing the parameter, such as cylindrical length and cone angle. In this paper, a three-product cyclone was developed and tested for recovery of the solid particles, which was composed of a primary cylinder and a secondary cyclone. Most of the fine particles were separated in the primary cylinder of the three-product cyclone by over flow, in order to reduce the particle size distribution before the separation of second stage. The remaining particles would be further classified by the secondary cyclone of the three-product cyclone. The design and operation of the three-product cyclone was systematically studied, and the size distribution have been analyzed of the three produces. The influence of the major parameters of cyclone, such as the spigot diameter, vortex finder diameter, and vortex finder length, on the solid recovery were investigated. Meanwhile, the regression models of the solid percent of the cylinder overflow, the cyclone overflow, and the cyclone underflow were developed through computer fitting analysis, which fitted well with the experimental values of solids recovered in the three products. The application of the regression models on the three products was proposed.

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Abbreviations

SD:

Spigot diameter

VFD:

Vortex finder diameter

VFL:

Vortex finder length

Cyl.O/F:

The cylinder overflow

Cyc.O/F:

The cyclone overflow

Cyc.U/F:

The cyclone underflow

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 21276145); the Natural Science Foundation of Shandong Province (Grant No.ZR2016EEM37).

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Authors and Affiliations

  1. College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, China

    YuLong Zhang, PeiKun Liu, YueKan Zhang, XingHua Yang & LanYue Jiang

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  1. YuLong Zhang
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  2. PeiKun Liu
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Correspondence to PeiKun Liu.

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Zhang, Y., Liu, P., Zhang, Y. et al. The Classification Performance of a Three-Product Cyclone. Wireless Pers Commun 103, 55–68 (2018). https://doi.org/10.1007/s11277-018-5425-y

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