How To Separate Aluminium From Wood Chips – Eddy Current Separator

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Numerous industries are using Eddy Current Separator machines for optimum non-ferrous metal recoveries.

Recycling has now been recognized as a big challenge, reinforced by legislation, and will be pushed ahead by environmental awareness. 

The effective recovery of non-ferrous metals is important for every recycling system. Jaykrishna Magnetics Pvt. Ltd. is a leading eddy current separator manufacturer and with its advanced technology has optimally met this requirement.

It is no coincidence that various industries across the world are convinced by our highly effective and durable machinery and choose us for their separation needs.

Eddy Current Separation methods follow various processing stages to separate aluminium from wood chips. For example crushing, classification, and magnetic separation.

Scroll down to the blog, where we describe the complete process to applications of eddy current separators that meet the demands of separation in the wood industry.

WHAT IS EDDY CURRENT SEPARATION?

Eddy current separation method is used for separating non-ferrous metals from nonmetallic components. The separation process is based on the use of a magnetic rotor. 

Material is fed onto the conveyor belt of the eddy current separator, which carries it across the magnetic rotor where separation takes place.

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Eddy current is generated that cause a magnetic field inside the material and repels the material away from the conveyor.

At the same time other materials drop off at the end of the conveyor, and the non-ferrous metals are moved forward to the splitter for separation.

WORKING PRINCIPLE OF EDDY CURRENT SEPARATOR 

How can Eddy Current Separator affect nonmagnetic metals like aluminum?

How magnets in Eddy Current Separator can be used to repel rather than attract?

Here is how,

The magnetic rotor is the key component in the Eddy Current Separator for separating nonferrous metals such as aluminum, die-cast metal, and copper from nonmetallic material.

The magnetic rotor is a series of permanent rare earth magnets mounted on a support plate attached to a shaft. It is surrounded by a nonmetallic shell that supports the conveyor belt which allows the rotor to spin unaided at a much higher speed than the nonmetallic shell and belt.

When aluminium particles pass over the separator, the magnets inside the surface rotate further the aluminium at high speed. The speed forms an electrical current efficient for separating aluminium from the wood chips, ensuring the segregation of waste and metal.

TYPES OF ROTORS USED IN EDDY CURRENT SEPARATOR

The magnetic rotor is the heart of the separation system. 

Magnets used in rotors are:

Ferrite Magnet – It is suitable for separating different types of nonferrous metals, such as aluminum, plastics in garbage, brass, lead, and other mixed metals.

Rare Earth Magnet – With a frequency rotor of 22 electrodes, the arch structure can be used for municipal waste sorting and recycling non-ferrous metals. 

With a frequency rotor of 16 electrodes, the prototype structure is suitable for separating non-ferrous metals from large-flow materials, such as solid waste, and non-ferrous metals in automobile waste recycling.

ADVANTAGES OF ECCENTRIC AND CONCENTRIC EDDY CURRENT SEPARATOR

Advantages of Eccentric Eddy Current Separator

  • Ensures accurate magnetic field shifts where the material is stressed.
  • The magnetic pole can be adjusted as needed.
  • Improve the separation rate of small diameter materials within 5mm.

Advantages of Concentric Eddy Current Separator

  • Cost-effective and can be used in separating materials larger than 25mm.
  • Low failure rate, noise, and maintenance costs.
  • Stable operation, precise and high recovery rate.

APPLICATIONS OF EDDY CURRENT SEPARATOR

Eddy current separator can be used to remove non-ferrous metals in various industries, mainly including:

  • Separation of iron and aluminium from wood chips
  • Separation of non-ferrous metals in auto shredder residue
  • Removal of non-ferrous contamination from crushed glass cullet
  • Recycling of non-ferrous metals from municipal solid waste
  • Separation of non-ferrous metals from plastics
  • Separation of non-ferrous metals in scarp metal recycling plants
  • Separating aluminium and ferrous flakes from PET flakes
  • Separation of non-ferrous metals wire scrap recycling plants 
  • Separation of non-ferrous metals e-waste recycling, Zorba, E-waste recycling, and many more

 

WHY CHOOSE JAYKRISHNA MAGNETICS PVT. LTD.’S  EDDY CURRENT SEPARATOR?

Jaykrishna Magnetics Pvt. Ltd. is a leading manufacturer of eddy current separators, providing extraordinary separation results with advanced separation technology. With robust and integrated design our eddy current separators are stable in performance and ensure maximum field strengths and precision.

With us, you can get a wide range of non-ferrous separators all in one place. We provide you with a tailor-made solution for all your separation requirements.

 To learn more about our Eddy Current Separator or other product range please visit our website: www.jkmagnetic.com 

For the requirement of any magnetic separator or vibratory equipment, mail us at info@jkmagnetic.com or call us at +91 9825326078, +91 93274 46310 and we will guide you with our best help to provide you with the fastest solution to your separation problems.

 

 

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