Understanding Overband Magnetic Separators

Magnetic Separators: 

Magnetic Separators are devices that use magnetic fields to separate ferrous materials from other substances. These separators come in a variety of shapes and sizes and can be used in many industries including recycling, agriculture, manufacturing, and waste management. Magnetic Separators rely on powerful magnets to draw metals out of mixtures, including ferrous and non-ferrous materials. This helps to eliminate contaminants from materials and provides a cost-effective solution for many businesses.

What is an Overband Magnetic Separator? 

An overband magnetic separator is a type of magnetic separator used to separate ferrous materials from non-ferrous materials in recycling, mining, and other industries. It is installed above conveyor belts or vibrating conveyors, and as the material passes through the magnetic field, the ferrous material is attracted and pulled out of the product stream. Overband magnetic separators can be used in a variety of applications, including recycling facilities, mining operations, and metal processing plants.

The overband magnetic separator consists of a belt, a magnet, and a motor or drive unit. The belt is made of durable materials and is placed over the conveyor or vibrating conveyor. The magnet is placed above the belt, and it generates a powerful magnetic field. The motor or drive unit is used to rotate the magnet, creating a moving magnetic field that attracts ferrous material.

Working of an Overband Magnetic Separator: 

The working of an overband magnetic separator is based on the principles of magnetism. The magnet generates a powerful magnetic field that attracts ferrous material, and the moving magnetic field created by the rotating magnet ensures that the ferrous material is continually attracted and pulled out of the product stream.

The overband magnetic separator is installed above a conveyor belt or vibrating conveyor, and the material to be separated passes beneath the magnet. As the ferrous material passes through the magnetic field, it is attracted to the magnet and pulled out of the product stream. The non-ferrous material continues along the conveyor and is discharged at the end of the line.

The overband magnetic separator is highly efficient and can remove large quantities of ferrous material from the product stream. It can be used in a variety of applications, including recycling facilities, mining operations, and metal processing plants.

Construction of Overband Magnetic Separator: 

An overband magnetic separator consists of a conveyor belt that is suspended above a magnet. The magnet is usually made of a ferromagnetic material, such as neodymium, that has a strong magnetic field. When the conveyor belt passes over the magnet, the ferrous materials are attracted to it and are pulled up and away from the conveyor belt

The magnet is typically housed in a sturdy, steel frame that is designed to withstand the harsh operating conditions of the industrial environment. The frame also provides a mounting point for the conveyor belt and other components, such as the drive motor, gearbox, and control system.

Applications of Overband Magnetic Separator: 

Overband magnetic separators are used in a wide range of industries, including:

Mining: 

Overband magnetic separators are used to remove tramp iron from coal, stone, and other materials in the mining industry. This helps to protect downstream equipment, such as crushers and screens, from damage caused by ferrous contaminants.

Recycling: 

Overband magnetic separators are used to separate ferrous metals from non-ferrous materials in recycling plants. This helps to improve the purity of the end product and increase the value of the recycled materials.

Waste management: 

Overband magnetic separators are used to remove ferrous materials from waste streams, such as municipal solid waste, construction and demolition waste, and industrial waste. This helps to reduce the amount of material that is sent to landfill and increases the efficiency of the recycling process.

Wood Industry: 

The wood industry also uses overband magnetic separators to remove any metal contamination from the wood chips. This is important as metal contamination can damage the processing equipment and affect the quality of the final product.

Tire Industry: 

Overband magnetic separators are used in the tire industry to remove any metal wires or other ferrous contaminants from shredded tires. This helps to improve the quality of the rubber and reduces the wear and tear on the processing equipment.

Paper Industry: 

They are also used in the paper industry to remove any ferrous contamination from the pulp. This is important as metal contamination can damage the processing equipment and affect the quality of the final product.

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Cleaning and Maintenance of Overband Magnetic Separators: 

Proper cleaning and maintenance of Overband Magnetic Separators are essential for optimal performance and prolonged lifespan. Here are some tips for cleaning and maintaining Overband Magnetic Separators:

• Regular Inspection:Regularly inspect the separator for any damages or signs of wear and tear, and replace any damaged or worn parts immediately.
• Cleaning the Belt:The belt should be cleaned regularly to prevent the buildup of contaminants that may affect the performance of the separator. Use a non-abrasive cloth or brush to clean the belt surface.
• Cleaning the Magnet:The magnet should also be cleaned regularly to prevent the accumulation of ferrous material on its surface. Use a non-abrasive cloth or brush to clean the magnet surface.
• Lubrication: The bearings and pulleys should be lubricated periodically to prevent friction and ensure smooth operation.
• Belt Adjustment:The belt should be properly tensioned and aligned to prevent slippage and ensure maximum separation efficiency.
• Monitoring:Regularly monitor the separator's performance to ensure it is operating correctly and efficiently. Any deviation from the expected performance should be investigated and resolved immediately.

Conclusion: 

In conclusion, an overband magnetic separator is an essential piece of equipment for many industries, including recycling, mining, and metal processing. Moreover, they are available in different sizes, shapes, and designs depending on the application requirements. They are easy to install and maintain, require minimal space, and are designed to be durable and reliable. Mag Spring provides its customers with high-quality magnetic separators. If you’re looking for overband magnetic separators, we can provide you with them. Hurry up and buy your products from us.