Induced-Roll Magnetic Separator

Induced-Roll Magnetic Separators easily extract small magnetic particles from minerals for purification. Custom quotes for roll magnetic separators are available!

• Magnetic Separation
• Induced Roll
• Benefits
• Operation
• A controlled amount of material is fed onto the rotating magnetically induced roll.
• The material is fed from a hopper or a vibratory feeder.
• The roll typically rotates at speeds ranging from 80 to 120 RPM.
• Paramagnetic materials are held to the roll surface.
• Non-magnetic materials fall freely, unaffected by the magnetic field.
• Non-magnetic materials are discharged away from the roll.
• Magnetic materials are deflected by the roll.
• A brush often helps remove magnetic materials from the roll.
• A splitter plate is placed between the two product streams to ensure clean separation.
• A second splitter can be added to create a ‘middlings’ stream (very weakly magnetic materials mixed with non-magnetic materials).
• Many units have two induced rolls connected in series.
• This allows for a double pass, improving separation efficiency and overall performance.

Variable magnetic field strength for separation optimization.

Processes particles ranging in size from 45 microns to 2 mm across various industries, including ceramics and recycling.

Can handle mineral feed at temperatures up to 80°C; suitable for demanding industrial environments.

The Induced Roll Magnetic Separator (IRS) is a high-intensity dry magnetic separator designed to remove weakly and moderately magnetic materials from nonmetallic minerals. By generating an electromagnetic field of up to 2.2 Tesla (22,000 Gauss), the IRS effectively separates materials such as mica, iron-coated silica, and other paramagnetic minerals from non-magnetic materials like feldspar, silica sand, and zircon.

This technology is widely used in the ceramics and glass industries to purify raw materials and is gaining traction in recycling applications where fine, weakly magnetic particles must be recovered. The IRS is built around a steel roll, which is magnetized by an electromagnet positioned between a bridge bar and a pole piece. It handles feed materials with particle sizes ranging from 2 mm down to 45 microns and delivers consistent performance in continuous processing environments.

With decades of proven use, the IRS is recognized as one of the most robust and versatile dry magnetic separators available.

Adjustable Magnetic Field: The power supplied to the electromagnetic coils can be adjusted to match the characteristics of the material.

Variable Roll Speed: Allows for fine-tuning of retention time to improve separation accuracy.

Customizable Roll-to-Pole Gap: Accommodates different feed size ranges for optimal processing.

Handles Heated Material: Capable of processing materials at elevated temperatures up to 80°C.

Minimized Static Charge: Generates minimal static buildup, reducing the impact on separation performance.

Durable Construction: Engineered for minimal maintenance and few replacement parts.