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Magnetic Separation Equipment
Installed above a conveyor, the RCDD suspended magnetic separator lifts tramp iron from moving material and carries it away automatically on a self-cleaning belt. It protects crushers and granulators, reduces metal contamination, and keeps recycling lines running without manual magnet cleaning.
The magnetic circuit and discharge belt work together to remove ferrous contamination without interrupting the main conveyor.
Mixed material travels in a controlled layer on the plant conveyor. The separator is suspended at the rated height above the belt, with its working area centered over the material stream.
Iron and steel pieces are attracted upward out of the conveyed material while non-magnetic plastics, glass, wood, and other fractions continue along the main belt.
A continuously moving belt with cleats transports captured metal across the magnet face and beyond the effective magnetic field.
Once outside the magnetic field, the ferrous fraction releases into a chute or collection bin for recycling, inspection, or safe disposal.
The separator is selected around conveyor width, burden depth, tramp-metal size, and the equipment that must be protected downstream.
The discharge belt removes captured iron automatically, reducing manual cleaning and keeping high-throughput lines moving.
Removing bolts, tools, wire, and other ferrous pieces before size reduction helps prevent damage to crusher and granulator components.
Five reference models cover conveyor widths from 800 to 1600 mm, with suspension height and drive power scaled to the installation.
The separator hangs above the main conveyor. Its magnetic field pulls iron upward, while the cross belt moves the captured fraction sideways into a dedicated collection bin.
Correct suspension height is critical: the magnet must be close enough to generate the specified field at the material bed, while leaving safe clearance for the deepest burden and occasional oversized pieces.
Watch the self-cleaning overband unit capture ferrous material above the conveyor and carry it beyond the magnetic field for automatic discharge.
Use an overband magnetic separator wherever ferrous contamination must be removed before processing or from a recovered product stream.
Removes iron and steel before shredding, crushing, washing, electrostatic separation, or pelletizing stages.
Extracts ferrous housings, screws, brackets, and other magnetic metals from shredded electronic waste.
Recovers magnetic metal from mixed dry waste, refuse-derived fuel preparation, and sorting operations.
Captures nails, screws, wire, and tools before chippers, grinders, or fuel preparation equipment.
Separates magnetic metal from foundry sand, slag, and crushed industrial residues on conveyor lines.
Protects crushers and screens by removing tramp iron from stone, ore, and other bulk material streams.
Enter the operating values, not just the nominal conveyor size. The result chooses the smallest model that covers both belt width and required suspension height, then flags belt-speed or burden-depth conditions that need engineering review.
Pre-selection result
Pre-selection only. Belt-speed and burden-depth limits are comparable RCDD-series reference values, not confirmed values from the supplied table. Final pickup depends on air gap, trough angle, material density, and the size, shape, orientation, and depth of the ferrous piece.
Use belt width and required suspension height as hard gates. Speed and burden depth are pre-selection checks; liftability still has to be verified against the smallest and deepest tramp-iron target.
| Model | Select for Belt Width | Rated Suspension Height | Field at Rated Height | Compatible Belt Speed* | Recommended Burden Depth* | Self-Cleaning Drive | Equipment Weight | Overall Dimensions | Cooling / Duty |
|---|---|---|---|---|---|---|---|---|---|
| RCDD-80 | ≤800 mm | 250 mm | ≥70 mT | ≤4.5 m/s* | ≤200 mm* | 3 kW | 1,760 kg | GA drawing required | Self-cooled; duty to confirm |
| RCDD-100 | ≤1,000 mm | 300 mm | ≥70 mT | ≤4.5 m/s* | ≤250 mm* | 3 kW | 2,850 kg | GA drawing required | Self-cooled; duty to confirm |
| RCDD-120 | ≤1,200 mm | 350 mm | ≥70 mT | ≤4.5 m/s* | ≤300 mm* | 3 kW | 4,020 kg | GA drawing required | Self-cooled; duty to confirm |
| RCDD-140 | ≤1,400 mm | 400 mm | ≥70 mT | ≤4.5 m/s* | ≤350 mm* | 4 kW | 5,500 kg | GA drawing required | Self-cooled; duty to confirm |
| RCDD-160 | ≤1,600 mm | 450 mm | ≥70 mT | ≤4.5 m/s* | ≤400 mm* | 5.5 kW | 7,790 kg | GA drawing required | Self-cooled; duty to confirm |
Confirmed from the supplied table: model, belt width, rated suspension height, field, self-cleaning drive power, and weight. The source field value has been converted and this page uses mT throughout. *Belt speed and burden depth are comparable RCDD-series pre-selection references. Exact L × W × H, lifting points, center of gravity, cooling design, and continuous/intermittent duty must be stated on the project GA and datasheet before order.
Selection basis: comparable RCDD parameter table, air-gap and burden selection factors, suspended-magnet selection guide
A model is approved only after these checks. Belt width starts the selection; the magnetic-force check finishes it.
Choose the smallest model whose rated belt width is not below the usable conveyor width. Also provide the trough angle because the material edges can sit closer to the magnet than the belt center.
Measure from the magnet face to the conveyor belt and record the maximum material-bed depth. The relevant pickup distance is to the iron location inside the burden, not simply to the top of the material.
Give the minimum target size, weight, shape, orientation, and worst-case depth. A flat plate or rod is easier to lift than a compact cube or sphere of the same weight.
Higher speed gives the magnetic field less time to capture iron. Confirm cross-belt or inline mounting, head-pulley position, headroom, and the discharge-side clearance.
State hours per shift, starts per hour, ambient temperature, dust/water exposure, voltage, and frequency. For 24/7 or hot-duty service, verify temperature rise and whether self-cooling is sufficient before freezing dimensions and support loads.
The left column can pre-select a catalog model. Any condition in the right column requires engineering confirmation before the separator is promised to lift the target iron.
| Decision Point | Pre-Selection Pass | Engineering Review Trigger |
|---|---|---|
| Belt width | Actual belt width is within the model rating | Belt is wider than 1,600 mm or material stream exceeds the rated working width |
| Air gap / burden | Required height and burden are inside the reference envelope | Deep burden, large lump clearance, or iron located near the belt surface |
| Belt speed | Operating speed is at or below the reference value | Speed exceeds 4.5 m/s, accelerates, or varies sharply under load |
| Target iron | Large plate, rod, rebar, tool, or bolt near the top of the burden | Small, compact, spherical, deeply buried, or weakly magnetic target |
| Cooling and duty | Confirmed shift duty within the self-cooled thermal design | 24/7 operation, high ambient temperature, restricted airflow, or hazardous area |
It is a magnetic separation unit installed above a conveyor to lift iron and steel from a moving material stream. A self-cleaning model uses a separate discharge belt to carry the captured metal away automatically.
Start with conveyor width, then confirm burden depth, bulk density, iron-piece size, installation clearance, and the required suspension height. A wider belt alone does not determine magnetic performance.
It is the minimum center field specified at the model’s rated suspension height. This page uses mT throughout. Field strength decreases with distance, so this value alone does not guarantee that a particular buried iron piece will be lifted.
Cross-belt mounting is common and discharges metal to the side. Inline mounting can be effective near a head pulley when the layout allows it. The best arrangement depends on material trajectory, available space, and discharge access.
Yes. Installed upstream, it can remove magnetic tramp metal that could damage knives, screens, shafts, or other downstream components. The largest expected metal piece should be included in the model review.
Send conveyor width and speed, material photos, burden depth, bulk density, throughput, iron-piece size, installation drawing, voltage, and preferred discharge direction.
Send your conveyor width, material type, burden depth, throughput, iron size, and installation drawing. Rumtoo will recommend the suitable RCDD model and mounting arrangement.
