Eddy current separator SWP


Eddy current separator SWP

Eddy current separator (SWP)

The SWP type eddy current separator equipped with a drum separator is designed for automatic separation of ferrous and non-ferrous metals from bulk or crushed materials. The SWP separator recovers ferrous metals and valuable non-ferrous metals such as aluminium, copper, magnesium, zinc and silver with high efficiency. In addition, the separator cleans secondary raw materials such as plastics and glass from ferrous and non-ferrous metals.

The SWP non-ferrous metal separator is reliable, very durable and designed for continuous operation. The separator is characterized by high metal separation efficiency. The powerful neodymium permanent magnets used in the polar wheel have high coercivity, which makes them difficult to demagnetize. Therefore, the SWP separator has a long service life.

Performance features of the eddy current separator from Magnetix

  • Made-to-measure eddy current separator according to individual requirements.
  • Robust and durable design for continuous operation 24/7 under difficult working conditions.
  • Working width of the eddy current separator up to 2000 mm.
  • High-speed magnetic rotor (polar wheel) made of powerful neodymium magnets.
  • Magnetic rotor speed up to 4000 RPM due to innovative bearing cooling.
  • The frequency of the alternating magnetic field up to 1200 Hz.
  • Precise balancing of the magnetic rotor in class 0.4
  • Adjustment of operation parameters with frequency inverters.
  • The latest security systems, including electronic rotor braking.
  • Reinforced C-type frame enabling quick belt replacement (belt replacement time approx. 30 minutes).
  • Corrugated sidewall conveyor belt with increased durability.
  • Accessories from leading manufacturers.

Applications of the non-ferrous metal separator

  • Recovery of non-ferrous metals from municipal and industrial waste.
  • Separation of non-ferrous metals from alternative fuels RDF.
  • Valorization of slags from municipal waste incineration plants.
  • Disposal of cars and household appliances
  • Recycling of electronic waste (E-waste).
  • Separation of non-ferrous metals in the plastic recycling process.
  • Removal of non-ferrous metals from glass cullet.
  • Recovery of non-ferrous metals from mining and processing heaps.
  • Cleaning wood chips and shavings from non-ferrous metals.


Eddy current separator during operation

Versions of the non-ferrous metal separator

  • SWP-12B type eddy current separator
    Equipped with 12-pole magnetic rotor designed for separating aluminum cans.
  • SWP-18B type eddy current separator
    Equipped with 18-pole magnetic rotor designed for the separation of non-ferrous metals from 10 to 50 mm.
  • SWP-26B type eddy current separator
    Equipped with 26-pole magnetic rotor designed for the separation of non-ferrous metals from 1 to 10 mm.
  • SWP-SBM type eddy current separator
    Equipped with drum separator for separating ferrous metals.

Separator accessories

  • Discharge hood with an adjustable splitter.
  • Rotating brush for belt cleaning.
  • Belt alignment switches and rotation sensor.
  • Control cabinet equipped with SIEMENS PLC.
  • Frequency inverters for rotor and belt speed adjustment.

Videos featuring the eddy current separator

Principle of operation of the eddy current separator

The operation of the eddy current separator is based on the principle of magnetic induction. A magnetic rotor rotating at high speed creates a high frequency alternating magnetic field that induces strong eddy currents in metals. Due to the flow of current in non-ferrous metals, a secondary magnetic field is created that opposes the magnetic field of the rotor. The interaction of these fields leads to the creation of the Lorentz repulsive force, which counteracts the force of gravity. The resultant force pushes the metal out of the stream of transported material. The SWP-26B separator is characterized by a high-frequency magnetic field ensuring the highest separation efficiency of very fine metals such as aluminium, copper, magnesium, zinc and silver.

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