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Eddy Current Separators |
Eddy Current Separators (ECS) are designed
to separate non-ferrous conducting metals.
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| Click here
for or a printable (PDF) overview of our various Eddy Current
Separators |
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KW Supply
offers the following types and options:
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Operating Principles
Eddy Current Separators (ECS) are designed to separate non-ferrous
conducting metals.
The Eddy Current system consists of a short belt conveyor.
The ECS rotor, which is fitted at the discharge end of the
conveyor, is constructed using a high-intensity rare earth
(neodymium iron-boron) magnet system and sits inside a non-metallic
rotor cover. |
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The rotor, when spinning at high
speeds, induces an electric current into conducting metals.
This induced electric current produces a magnetic field,
which opposes that of the rotor, repelling non-ferrous metals.
The remaining materials free-fall over the rotor, separating
them from the repelled materials.
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Applications
Eddy Current Separators are increasingly used wherever
separation of non-ferrous metals from a product stream can
give a more valuable end product.
Whether the end use is in recycling, waste reduction, raw
material production and any other process where separation
would prove beneficial.
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| Typical examples of applications
are:
- Separation of non-ferrous metals in auto shredder residue.
- Separation of non-ferrous metals from solid waste incinerator
ash.
- Sorting of steel and aluminium beverage cans.
- Removal of contamination from crushed glass cullet.
- Removal of non-ferrous metals from shredded wood.
- Separation of non-ferrous dross from foundry sand.
- Non-ferrous metal removal in WEEE recycling plants.
- Separation of non-ferrous metals from Material Recycling
Facilities.
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Common Design Features
All of the KW Supply
ECS units are built to combine the highest separating ability
with a long and trouble-free operating life.
KW Supply ECS
units are all manufactured using a concentric rotor design
to allow for maximum separation over the entire outer drum
face. This ensures that particles, which may be released through
material free fall can also be separated, making it more efficient
than the eccentric design.
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The rotors used on the KW
Supply range of ECS units are all dynamically balanced
at 3600 RPM to ensure a trouble free operating life, even
at the highest operating speeds.
Abrasion resistant PVC belts are used on the ECS units and
to further improve the separation capabilities of the Eddy
Current, they are specially designed to be very thin, minimising
the gap between the product and the rotor. |
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The epoxy resin cover, which protects the
rotors magnet system is also specially designed to be as thin
as possible, whilst still giving the required strength. The
cover has a blue outer layer and a clear under layer which,
acts as a wear indicator.
To increase the performance of our ECS units and enable optimum
separation, KW Supply
offer optional vibratory feeders for spreading the
material evenly across the ECS belt conveyor and producing
what is known as a ‘mono-layer’. |
KW Supply
offers the following types and options:
|
 |
| Click here
for or a printable (PDF) overview of our various Eddy Current
Separators |
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