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Difference between revisions of "Eddy Current Separators"
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Eddy Current Separators (view source)
Revision as of 02:36, 20 December 2011
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An '''Eddy Current Seperator'' is a conveyor system with a rapidly revolving magnetic rotor which generates an induction field through magnet poles. The rotational speed generates a rapidly changing magnetic field. In non-ferrous electrically conductive metal particles (non-ferrous metals) a magnetic Eddy Current will be generated. Through this interplay of forces, the non-ferrous particle will be shot from the product flow. | An '''Eddy Current Seperator''' is a conveyor system with a rapidly revolving magnetic rotor which generates an induction field through magnet poles. The rotational speed generates a rapidly changing magnetic field. In non-ferrous electrically conductive metal particles (non-ferrous metals) a magnetic Eddy Current will be generated. Through this interplay of forces, the non-ferrous particle will be shot from the product flow. | ||
The number of magnetic poles and the rotational will greatly affect the separation efficiency. There are magnetic rotors availible with 12 or 44 magnetic poles. The 12-pole rotors are used in coarse fractions from 70 mm. The 44-pole magnetic rotors are used in fine- or medium fractions. The rotation speed plays a major role. In fine fractions (0-20 mm), the machines can run 4000 rpm and be effective in the separation of small non-ferrous metal particles from about 2 mm. | The number of magnetic poles and the rotational will greatly affect the separation efficiency. There are magnetic rotors availible with 12 or 44 magnetic poles. The 12-pole rotors are used in coarse fractions from 70 mm. The 44-pole magnetic rotors are used in fine- or medium fractions. The rotation speed plays a major role. In fine fractions (0-20 mm), the machines can run 4000 rpm and be effective in the separation of small non-ferrous metal particles from about 2 mm. | ||