What Is a Suspended Magnetic Separator?
A suspended magnetic separator is a permanent magnet installed above a conveyor belt to remove tramp iron from bulk material as it moves underneath. As your material passes below the magnet, ferrous contaminants such as bolts, screws, and iron fragments are attracted upward and held securely on the magnet surface.
You typically use suspended magnetic separators to protect crushers, screens, and conveyors from damage. They work without power, require minimal maintenance, and can be configured with manual or self-cleaning options. When properly positioned and sized, a suspended magnetic separator gives you reliable, continuous metal removal with low operating cost.
Suspended Magnetic Separator Features
· Suspended plate magnets clean the tramp iron and other ferrous objects from flat-belt and trough style conveyors, using a strong magnetic field.
· The conveyed materials on the conveyors are penetrated deeply by the powerful ceramic or neodymium magnets.
· The suspended plate magnets can be mounted easily.
· The sliding stripper plate slides for fast and easy cleaning
· Available in both manual cleaning & automatic cleaning.
· The use of suspended plate magnets is good for the protection of processing equipment like crushers, pulverizers, conveyor belts, and screens.
Suspended Magnetic Plate Gauss and Hanging Height Confirmation
To confirm that our offer is suitable for your use, please confirm the following information:
What is the height of your magnetic plate suspension? As shown in the figure below, the distance between the bottom surface of the magnetic plate and the conveyor belt is.
What is the size range of iron impurities that you need to filter? This helps us identify the Gaussian strength you need to use. The Gauss strength of our usual products is 70mt. If your belt width is less than 1 meter, and the iron impurity size is 30-50mmcan use 50mt. Such as our detection method in the video. Hang the magnetic plate at the required height, and place the Gauss meter on the floor to measure the Gauss value of the vertical distance.
About our magnetic levitation plates
The magnetic plate's surface material can be stainless steel or iron, but it's not possible to apply an epoxy coating for protection.
The required magnetic field strength (in Gauss) on the surface of the magnetic plate, and the required magnetic field strength at the working height, need to be specified.
Suspension method for the magnetic plate: Threaded connection to lifting rings (M12/M10), welded lifting rings, or eye bolts?
(1)Welded Lifting Rings
(2) Screw the Threaded End into the Lifting Ring
(3) Ear and Nose Rings
Holes can be drilled on the side, but it's not possible to have built-in welded threaded rods; the number of holes on the side, the spacing between the holes, and the size of the holes (D10mm) are specified.
Applications for Suspended Magnetic Separators
You use suspended magnetic separators wherever tramp iron must be removed from materials moving on conveyor belts before reaching critical equipment. They are widely applied in mining and aggregate plants to protect crushers and screens, and in recycling facilities to separate unwanted metal from waste streams. Suspended magnets are also common in cement, wood, biomass, and bulk material handling, where iron contamination can cause serious equipment damage. By installing a suspended magnetic separator above the belt, you keep your process running smoothly, reduce downtime, and extend the life of your machinery.
FAQ
Q: What is a suspended magnetic separator used for?
A: You use a suspended magnetic separator to remove tramp iron from materials moving on conveyor belts, protecting crushers, screens, and downstream equipment from damage.
Q: Where should a suspended magnetic separator be installed?
A: It is typically installed above the conveyor belt, ideally before critical equipment or at a discharge point where material is spread out for better separation.
Q: How high should a suspended magnetic separator be mounted?
A: You should mount it as close to the material as safely possible. Lower suspension heights improve magnetic capture, especially for smaller iron pieces.
Q: Can suspended magnetic separators work without power?
A: Yes. Permanent suspended magnets operate without electricity, making them energy-efficient and reliable. Self-cleaning models may require power for the cleaning mechanism only.
Q: Which industries commonly use suspended magnetic separators?
A: They are widely used in mining, aggregates, recycling, cement, wood processing, biomass, and bulk material handling industries.
Q: How often does a suspended magnetic separator need cleaning?
A: Cleaning depends on contamination levels. Low-tramp iron can be cleaned periodically, while high-volume operations benefit from self-cleaning suspended magnets.
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The below product are for one of Indian clients, who used it to clear the metal or iron from the paddy and cereals. The size is 500x500x20mm and the surface gauss is 4500GS.
