Magnetic drum design

The magnetic drum consists of an outer, stainless steel, rotating casing with a sleeve and a magnetic core fitted with ferrite magnets or very strong neodymium NdFeB magnets. These magnets create the necessary magnetic field on the surface of the drum, thanks to which the metal particles are trapped and carried beyond the drum axis. Here, demagnetisation occurs and the metals fall off spontaneously, unlike non-metallic separated material which falls off before the axis of the magnetic drum.

Possibilities of using the magnetic drum

The magnetic drum is made of stainless steel and we are able to dimension it to your requirements. The use of a magnetic drum will significantly increase the quality of the processed material. It is also suitable for use where it is necessary to protect downstream equipment from damage by metal particles.

Vibrating conveyor (vibrating feeder) in front of magnetic separator

This conveyor spreads the accumulated material on the conveyor into a uniform layer over the entire width of the belt. The material is then easier and better separated, especially when using a non-magnetic metal separator, magnetic plate, magnetic drum or magnetic roller. The vibratory conveyor is suitable for dry bulk materials. It is not suitable for fine and sticky materials. The high trough of the conveyor prevents unwanted material from falling out of the conveyor belt.

• Belt speed: The feeding speed is adjusted according to the type of material to be transported
• Drive unit: 2x vibromotor, W 20 NX, p=0,55 kW 230/400 V, 50 Hz
• Conveyor length: 1040 mm
• Transport capacity: according to the type of material to be transported

Magnetic drum in MBZ cabinet construction

For significantly easier installation of the magnetic drum, we also supply the magnetic drum including the cabinet construction. The separation principle is exactly the same as for the magnetic drum. In this version, the magnetic drum is installed in the cabinet construction and the trouble of fixing the magnetic drum is eliminated.

Advantages of cabinet construction

The material to be separated is poured into the box structure through its upper opening. The cabinet structure is terminated by two openings through which the metals and the separated material fall out separately. The diameter, length of the drum and dimensions of the cabinet structure are adapted to your requirements.

The magnetic drum in a box construction is supplied including motor and gearbox and can be equipped with either ferrite magnets or significantly stronger neodymium NdFeB magnets.

Adjustable baffle that directs the flow of material into the drum.

Magnetic drum in cabinet construction double deck MBZD

This double-deck magnetic drum will find its application in those operations where an even higher quality of separation needs to be achieved by adding an additional magnetic drum. Another application is in minimising contamination of the captured metals by the separated material – where the highest possible purity of the separated metals needs to be achieved.

Double-deck drum design

Magnetic drums of this separator can be equipped with ferrite and very strong neodymium NdFeB magnets. It is also possible to combine them, where one magnetic drum is equipped with ferrite magnets and the other with neodymium magnets. We recommend to consult us for the selection of the appropriate type of magnets and the correct order of the drums when combining both types of magnets. Contacts us. We will be happy to advise you.

Advantages of the magnetic drum

1. combination of drums with different magnets
2. high quality separation
3. speed control of each drum separately
4. customisation to your requirements

Using the magnetic drum

• perfect separation
• minimization of contamination of captured metals by separated material

Adaptability to your needs

You can select the speed of each drum individually. On request, we can equip the drum with sound and light signalling.
As manufacturers of these devices, we will manufacture them exactly according to your requirements – we will adapt the dimensions of the separator to your technology, recommend the appropriate diameter and length of the drums and also help with the selection of the most suitable magnets.

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Our company specializes in the production of magnetic separators and provides complete solutions to meet the client’s requirements. One of our types of orders is the design, construction, and building of separation lines for non-magnetic materials.

Construction and building

Based on customer requirements, we can design a complete customized sorting line. The design depends on the specific application, type and total amount of material that will pass through the separation line, and other factors.

Customized sorting line

A sorting line can be made up of different parts tailored to your requirements. It can consist of the following individual types of parts:

• Magnetic separators – various types according to the type of materials
• Magnetic separators for non-magnetic metals (Eddy Current Separator) – fitted with very strong neodymium magnets
• Metal detectors
• Various types of conveyors – according to the type and quantity of material to be conveyed
• Crushers and mills
• Other equipment – according to requirements

How do we realise your project?

• We will come, measure, and design a solution
• We will manufacture a customized sorting line
• We will install your sorting line
• We will commission your line on site
• We provide expert information on the installed product

Illustrative model of the sorting line

For a better idea, you can take a look at our sample model of the sorting line in the figure.

Legend:

1. Conveyor
2. Metal detector
3. Crusher
4. Conveyor
5. Magnet above the conveyor – self-cleaning
6. Magnetic roller
7. Magnetic separator of non-magnetic metals
8. Conveyor
9. Crusher

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This magnetic separator of metal particles is designed for operations characterized by continuous cleaning. This means that during the automatic cleaning cycle, material flow does not have to be interrupted.

Cleaning system

Material falls through the central part of the magnetic separator (see the below animation). During the automatic cleaning process, stainless covering pipes move to the side hopper (left or right) where de-magnetizing takes place and ferromagnetic metals caught fall off. Magnetic cores still remain in the central part (only stainless steel covering pipes are moving) so the system is suitable for continuous operations. Due to that, metal separation runs also in cases of power supply or pressurized air malfunctions (however, in this case it is necessary to check the quantity of metals caught on the magnetic pipes after the supply restoring).

Cleaning time interval is simply adjusted on the color display with a touchscreen by a customer, in the range of 1 minute to 90 minutes, according to the volume of metal impurities caught.

During this magnetic filter production, materials and components with a high quality are used, e.g. pneumatic drums FESTO and PLC Siemens. Magnetic separator is designed completely in the stainless steel 1.4301 /AISI 304/ material and, due to that, it is suitable especially for food industry applications.

Industrial areas of utilization

In practice, this magnetic separator may be used in all industrial areas where big quantities of small metal impurities must be separated from dry materials with good loose characteristics, and where there is a need of the manufacturing process automating, saving thus manufacturing costs.

Separator safety and quality information

We care about the high quality of our magnetic separators

Utilization areas

• Food industry – production of dry mixtures and crystalline materials
• Chemical industry – building matter processing, production of absorption materials, ceramics and porcelain
• Plastics industry – checking and processing of granulated compounds

This magnetic separator is also suitable for slightly abrasive materials (in case the stainless steel covering pipe is torn through, it may be replaced easily).

In case of materials with compromised loose characteristics and, especially, in materials tending to arching (clogging), we recommend using of other types of separators (plate-type magnetic separator, rotational magnetic separator) or, possibly, you may contact us. Our specialists will recommend you a suitable magnetic separator type.

The production of all of our magnetic separators is per your order. Great effort is put to a precise and quality workmanship, in order to provide the final separation with really good quality.

Our service department may provide our services as turnkey projects if you order them so = initial study, installation, putting into operation and operator training.

Ask us – we will advise you!

Made-to-measure production is our strength.

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