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 Products:  Process Engineering » Mechanical Process Engineering » Separation Methods: Classifying and Sorting » CE 280
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CE 280: Magnetic Separation

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Magnetic Separation

Magnetic Separation Magnetic Separation

Product Details

Technical Description
During sorting, a solid compound is separated according to its material characteristics.
Magnetic separation is a method of sorting which utilises the magnetisability of components of a solid compound. Magnetic separators are often used in coal and ore preparation.
In the CE 280, the solid compound to be separated is charged into the feed hopper. A vibrating trough conveys the compound onto a rotating, non-magnetic drum. Its speed can be adjusted by way of a potentiometer. In one area of the drum there is a fixed permanent magnet. Non-magnetisable components drop into a collector tank due to gravity. Magnetisable components adhere to the drum in the area of the magnet, are carried along and drop into a different tank as soon as they are beyond the magnetic zone. An adjustable separating panel can also be used to influence the purity of the separated fractions. By rotating the permanent magnet it is also possible to alter the range of influence of the magnetic field. The mass flow of the feed material can be adjusted by way of the distance of the hopper outlet from the vibrating trough and by the throw and frequency of the trough. A mixture of sand and small steel items, such as hexagon nuts, is recommended for use as the feed material.
The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

Learning Objectives / Experiments
- Learning the fundamental principle and the method of operation of a drum-type magnetic separator
- Efficiency of separation process dependent on
  + mass flow of feed material
  + mixing ratio of feed material
  + type of feed material
  + drum rotation speed
  + position of permanent magnet
  + position of separating panel

* Sorting with a drum-type magnetic separator
* Feed through vibrating trough with adjustable throw
* Practical experiments on a laboratory scale
[1] Drum-type magnetic separator for separation of magnetisable components from a solid compound
[2] Separation by a fixed permanent magnet in an area of a rotating, non-magnetic drum
[3] Feed hopper with vibrating trough for feed of solid compound into drum
[4] Dosage of feed material by way of distance of hopper outlet from vibrating trough, throw and frequency of vibrating trough
[5] Drum rotation speed adjustable by electric motor with potentiometer
[6] Position of magnet adjustable
[7] Adjustable separating panel to optimise separation
[8] 2 steel collector tanks for separate fractions

Technical Data
Feed hopper capacity: 25L
Vibrating trough
- throw: 0.2...1.5mm
- vibration frequency: 50Hz or 100Hz
- diameter: 208mm
- length: 310mm
- magnetic field range: 190°
- speed: 10...150rpm
- power consumption: 0.27kW
- nominal speed: 2820rpm
Max. particle size
- non-magnetic: 40mm
- magnetic: 15mm
Collector tank: 2x 14L

Dimensions and Weight
l x w x h : 1500 x 600 x 1700 mm
Weight : approx. 160 kg

230V, 50Hz, 1 phase

Scope of Delivery
1 trainer, 1 set of instructional material

Order Details
083.28000  CE 280  Magnetic Separation

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
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