Eddy current separators

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GAUSS MAGNETI srl

Eddy current separator / ECS / for non-ferrous metals - ECS

The ECS separator for non-ferrous metals works on the basis of the induced current that is generated through the means of a rotating magnetic field. The induced currents in the metal will bring about a repulsion force...

Eddy current separator / ECS / for non-ferrous metals - ECS

The ECS separator for non-ferrous metals works on the basis of the induced current that is generated through the means of a rotating magnetic field. The induced currents in the metal will bring about a repulsion force that will expel the metal from the flow of inert material. The system layout consists of sections for ferrous metal separation section, a vibrating channel, an ECS separator, additional magnetic separation, unload of inert material and also unload of non-ferrous metals. After magnetic separation, the material will pass onto the vibrating feeder, which will widen the flow and make it homogeneous. The speed of the ECS conveyor and revolution speed of the magnetic rotor can be adjusted. The ferrous intrusion is unloaded in the hopper, inert material, in the central hopper and the non-ferrous metals will be thrown in the hopper.
GOUDSMIT Magnetic

ECS separator / eddy current / for non-ferrous metals

Eddy current non-ferrous separators have a conveyor belt system with a rapidly rotating magnet rotor containing magnetic poles that generate an induction field. The rotation speed results in a rapidly fluctuating magnetic field. This produces a magnetic eddy current in electrically conductive metal particles that contain no iron (non-ferrous metals). This interplay of forces...

ECS separator / eddy current / for non-ferrous metals

Eddy current non-ferrous separators have a conveyor belt system with a rapidly rotating magnet rotor containing magnetic poles that generate an induction field. The rotation speed results in a rapidly fluctuating magnetic field. This produces a magnetic eddy current in electrically conductive metal particles that contain no iron (non-ferrous metals). This interplay of forces results in the ejection of the non-ferrous part from the product flow. Watch the animated film that provides a clear understanding of the working principle and the promotional film eddy current separator that explains more about the application.

In this manner it is possible to separate a great many non-ferrous metals (and non-ferrous alloys), including aluminium, copper and brass. It is much more difficult to separate stainless steel, lead and copper wire; that can be achieved more effectively with the I-Sens separator.

The number of magnetic poles and the rotational speed have considerable impact on the separation effectiveness. Goudsmit makes magnetic rotors with 12, 22, 22-HI and 38-HI magnetic poles. The 12-pole rotors are utilized in coarse fractions from 80 mm. The 22-pole magnetic rotors are utilized for medium fractions, the 22-HI for fine or medium fractions and the 38-HI for extremely fine fractions. The rotational speed plays a big role in this. In fine fractions the machines can run at 4000 rpm and effectively separate small non-ferrous metal particles from around 0.5 mm.

ECS separator / eddy current / for ferrous metals

A recent development at Goudsmit is the I-Sens sensor separator. This system perfectly complements the separation process before or after the eddy current...

ECS separator / eddy current / for ferrous metals

A recent development at Goudsmit is the I-Sens sensor separator. This system perfectly complements the separation process before or after the eddy current separators! The separation principle consists of a conveyor belt in which a sensor plate is mounted just before the final roller. This sensor plate detects a metal particle as well as the line along which this metal particle is located on the belt. Then the software calculates the exact location, and the metal particle is then ejected from the steam with an air pulse during its free-fall curve after which it falls behind a partition.
BAKKER MAGNETICS

ECS separator / eddy current / for non-ferrous metals / glass

The waste disposal and recycling industries use different
metal separation systems to those already described in
this brochure. This branch of industry tries to isolate raw
materials from other waste in an environmentally-friendly
way so that metals can...

ECS separator / eddy current / for non-ferrous metals / glass

The waste disposal and recycling industries use different
metal separation systems to those already described in
this brochure. This branch of industry tries to isolate raw
materials from other waste in an environmentally-friendly
way so that metals can be economically recycled.
Conventional systems such as overbelt systems, separation
drums and head rollers have been improved over
the past few years and more functionality has been
added. Also, more types can be supplied with
Neodymium magnet systems. Eddy Current non-ferrous
metal separators occupy a special place. Bakker
Magnetics has recently introduced a second generation
of Eddy Current non-ferrous metal separators developed
together with the Technical University of Delft. The efficiency
is greatly improved with the introduction of a
completely new 18-pole magnet cylinder. For many
applications, the separating power can reach almost
100%. Recent tests in the glass recycling industry
showed, for example, an efficiency of 99.8%.
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