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Eddy current separator

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An eddy current separator uses a powerful magnetic field to separate metals from non-metals in garbage. The device makes use of eddy currents to effect the separation.

The eddy current separator is applied to a conveyor belt carrying a thin layer of mixed waste. At the end of the conveyor belt is an eddy current rotor. Metals are thrown off the belt, while non-metals simply fall off the belt due to gravity. Ferrous metals may cause damage to the separator, and they are usually removed from the waste stream magnetically before the eddy current separator is used.

Eddy current separators may use a rotating drum with permanent magnets, or may use an electromagnet. Depending on the type of separator, processed material may only be separated into metal or non-metal categories, or the processed metal stream may also be divided into ferrous and non-ferrous metals. [1]

References

  1. ^ Myer Kutz Environmentally conscious mechanical design, John Wiley and Sons, 2007 ISBN 0-471-72636-2 page 261

External links

  • "Equipment Spotlight: Eddy Current Separators". American Recycler. March 2002. {{cite journal}}: Cite journal requires |journal= (help)
  • Eddy Current Separator Cogelme for non-ferrous metals separation - Info and Video in Cogelme site
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