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<p>The main purpose of this research is to apply its results in the zinc industry to select the appropriate mixer. The primary question is whether the type of mixer affects the cobalt, nickel and cadmium cementation reaction. To study this behavior, using CFD is likely the best approach. Additionally, to examine the cementation reaction of cobalt, nickel and cadmium from zinc sulfate solution, laboratory experiments are necessary. To study the hydrodynamic behavior of zinc sulfate solution in hot and cold purification reactors, computational fluid dynamics (CFD) was used. The speed measurements at specific points of the slurry reactor for the four types of blades indicate that the three-blade propeller mixer has a speed range of about 0.11&#xa0;m/s to 0.13&#xa0;m/s, the two-blade mixer ranges from approximately 0.07&#xa0;m/s to 0.11&#xa0;m/s, the three-blade turbine mixer ranges from 0 to 0.06&#xa0;m/s, and the two-blade turbine mixer ranges from about 0.03&#xa0;m/s to 0.05&#xa0;m/s. The results demonstrate that the three-blade propeller mixer has the highest speed value, approximately 600&#xa0;rpm. Also, the results indicate that the three-blade propeller mixer achieves a significantly better mixing quality compared to the other mixers and is closer to a plug flow pattern. Thus, the three-blade propeller mixer is more appropriate than the other mixers studied for use in both hot and cold treatment reactors and enhances the cementation reaction within the reactor.</p>

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Comparison of the Performance of Four Types of Turbine and Propeller Blades on Mixing Zinc Powder in Zinc Electrolyte Solution Using CFD

  • 期刊论文

  • 发表日期：

    2025年5月31日

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  • Shamsedin Ghourejili,
  • Vahid Vahid Fard,
  • Keivan Shayesteh,
  • Sara Masoumi,
  • Yousef Mousavi

摘要

The main purpose of this research is to apply its results in the zinc industry to select the appropriate mixer. The primary question is whether the type of mixer affects the cobalt, nickel and cadmium cementation reaction. To study this behavior, using CFD is likely the best approach. Additionally, to examine the cementation reaction of cobalt, nickel and cadmium from zinc sulfate solution, laboratory experiments are necessary. To study the hydrodynamic behavior of zinc sulfate solution in hot and cold purification reactors, computational fluid dynamics (CFD) was used. The speed measurements at specific points of the slurry reactor for the four types of blades indicate that the three-blade propeller mixer has a speed range of about 0.11 m/s to 0.13 m/s, the two-blade mixer ranges from approximately 0.07 m/s to 0.11 m/s, the three-blade turbine mixer ranges from 0 to 0.06 m/s, and the two-blade turbine mixer ranges from about 0.03 m/s to 0.05 m/s. The results demonstrate that the three-blade propeller mixer has the highest speed value, approximately 600 rpm. Also, the results indicate that the three-blade propeller mixer achieves a significantly better mixing quality compared to the other mixers and is closer to a plug flow pattern. Thus, the three-blade propeller mixer is more appropriate than the other mixers studied for use in both hot and cold treatment reactors and enhances the cementation reaction within the reactor.