Induced Roll Magnetic Separator (IMRS)

The Induced Roll Magnetic Separator (IMRS) is a proven technology used particularly for upgrading non-metallic dry minerals in the ceramics and glass industries. IMRS uses electromagnetically generated high-intensity magnetic fields to continuously separate small paramagnetic particles from materials with particle sizes ranging from –2 mm down to 45 microns.
The peak magnetic field produced on the induced roll reaches 2.2 Tesla (22,000 Gauss).

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IMRS offers several advantages compared to standard roll magnetic separators. During operation, material from a bunker or vibrating feeder is delivered onto the induced magnetic roll. Weakly magnetic particles are attracted to the roll by the strong magnetic field and held on the roll surface. Non-magnetic particles follow an unobstructed trajectory and are discharged away from the magnetic product. The captured magnetic material is removed from the roll at a point of lower magnetic intensity, typically with the assistance of a brush. A splitter is positioned between the two product streams to ensure clean separation.

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The Induced Roll Magnetic Separator is widely used in the industrial minerals, ceramics, and glass industries. To achieve optimum performance, capacity is determined through laboratory analysis based on mineral type, density, and particle size distribution.

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At Aksa Magnet, we recommend using the IMRS after permanent magnetic separators to significantly enhance product quality. It is particularly effective for industrial minerals used in the ceramics and glass sectors, such as quartz, feldspar, and nepheline syenite.

An industrial-scale machine (2 tons/hour capacity) is available at our facility for customer trials at any time.

Technical Documents