A variety of forms, structural assemblies and magnetization directions of permanent magnets makes it possible to construct new magnetic systems for separation devices with the required topology of magnetic field in working gaps and acquisition of new functional properties [9]. Studies in this field are of theoretical and practical interest. 2. Literature review and problem statement Numerous publications report studies into magnetic systems of separators on permanent magnets. Features in using magnetic separators on permanent magnets were considered in paper [10]. It was shown that separators are distinguished by simplicity of the structure, low power consumption, they
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