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Short description

Removal of large pieces of steel from bulk flows or in the recycling industry. Suitable for larger installation heights. Can be switched on and off.

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Characteristics

  • Capture Fe particles from 3 mm
  • Switchable (electromagnet)
  • Automatic cleaning (discontinuous)
  • Max. temp. 80 °C
  • Electric power supply required
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Electro block magnet
  • Electromagnetic suspended magnets
  • Electromagnetic suspended magnets recycling
  • Electromagnetic suspended magnets recycling
  • Magnet above belt
  • Magnet position recycling suspension magnets two belts.jpg

Detailed product description

Application

Electromagnetic suspended magnets have a very deeply penetrating holding field, which makes them very suitable for larger capacities. Electromagnetic suspension magnets can be switched on and off, this simplifies cleaning (when the magnet is switched off the Fe particles fall off the block), and they are more flexible as they can be activated whenever the process requires their use. However, electromagnetic block magnets do consume power, and they require a control box. They are also less compact than permanent suspended magnets: a sizeable electric coil is needed in order to generate a powerful magnetic field.
This makes them less suitable for mobile installations and somewhat more expensive than permanent suspension magnets.

Placement

A suspension magnet is hung above a conveyor belt, by means of chains or cables. The addition of these magnets can considerably boost separation yield:

  • Placement over pulley:
    In this configuration the magnet hangs at an angle over the end of the conveyor belt, where discharge of the material occurs. This is the ideal situation, because the bulk flow is ‘broken open’ at this point. When this happens, the iron particles are exposed within the surrounding material, allowing them to be more easily drawn to the magnet. Keep in mind, however, that it is important for the construction directly beneath the magnet to be made of non-magnetic material; otherwise it, too, will become magnetized.
  • Placement over band:
    This position is used for small layer thicknesses (or mono-layers) and when there is no other option due to the potential for magnetization of underlying steel components (such as motors or guide rollers).
Placement of a suspension magnet

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Type
Advised max. installation height
Suitable for belt width

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