Improvement of Particle Separation in Louver-type Separator by Use of Numerical Simulation

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  • 数値シミュレーションによるルーバ型分級機の高性能化に関する検討
  • スウチ シミュレーション ニ ヨル ルーバガタ ブンキュウキ ノ コウセイノウカ ニ カンスル ケントウ

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Abstract

The accurate particle classification of separation size from 10 to 100μm is required in practical particle handling process. The cut size of louver type separator can be controlled from 10 to 50μm in size range. This report examines the improvement methods of particle separation performance in louver type separator by use of numerical simulation. The several new methods to improve separation performance are found based on simulation and experimental studies. The separation performance of new type louver separator is higher than that of the standard type. It is also found that the separation performance increases by use of flow rectifier section after the inlet flow. The adhesion probability of particle on inclined louver blades was measured experimentally. The adhesion probability indicated maximum value for particle diameter about 15μm. The results of numerical simulation, which includes flow rectifier section and particle adhesion probability, agreed with the experimental data.

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