Abstract
The paper presents the results of a study dedicated to assessment of the effectiveness of vibration use to intensify the process of classification of loose mediums at arch screens. In the laboratory, the experiment was based on the separation of bulk material flow at the arch screen. The frequency and amplitude of oscillations of the screening surface were taken as variable parameters, while the response function was the fraction of take-off product in the total volume of the sifted mass of bulk material. According to the experiment data processing using the method of mathematical planning, the feasibility of vibrations application was confirmed, providing a reduction of energy consumption up to 14%.
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