Magnetic Separation
Categories: Engineering Lab EquipmentDuring 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....
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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 it, 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. 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 and supplied for use as the feed material.
Learning Objectives/Experiments
Familiarisation with 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
Specification
Drum-type magnetic separator for separation of magnetisable components from a solid compound
Separation by a fixed permanent magnet in an area of a rotating, non-magnetic drum
Feed hopper with vibrating trough for feed of solid compound to drum
Dosage of feed material by way of distance of hopper outlet from vibrating trough, throw and frequency of vibrating trough
Drum rotation speed adjustable by electric motor with potentiometer
2 steel tanks for separated fractions and 1 tank for solid compound
Feed material: sand and hexagon nuts
Technical data
Feed hopper capacity: 25L
Vibrating trough
throw: 0,2…1,5mm
vibration frequency: 50Hz or 100Hz
Drum
Ø 220mm
length: 300mm
magnetic field range: 180°
speed: 0…30min-1
Motor
power consumption: 250W
Max. particle size
non-magnetic: 20mm
magnetic: 20mm
Tanks
2x 15L
1x 20L
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
quick overview :
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 it, 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. 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 and supplied for use as the feed material.
Learning Objectives/Experiments
Familiarisation with 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
Specification
Drum-type magnetic separator for separation of magnetisable components from a solid compound
Separation by a fixed permanent magnet in an area of a rotating, non-magnetic drum
Feed hopper with vibrating trough for feed of solid compound to drum
Dosage of feed material by way of distance of hopper outlet from vibrating trough, throw and frequency of vibrating trough
Drum rotation speed adjustable by electric motor with potentiometer
2 steel tanks for separated fractions and 1 tank for solid compound
Feed material: sand and hexagon nuts
Technical data
Feed hopper capacity: 25L
Vibrating trough
throw: 0,2…1,5mm
vibration frequency: 50Hz or 100Hz
Drum
Ø 220mm
length: 300mm
magnetic field range: 180°
speed: 0…30min-1
Motor
power consumption: 250W
Max. particle size
non-magnetic: 20mm
magnetic: 20mm
Tanks
2x 15L
1x 20L
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
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