Magnetic separation equipment removes tramp metal from conveyors, chutes, and hoppers that are a part of bulk processing systems. These magnetic separators can be placed inside or outside of the product flow and are used in the grain processing, food, chemical, plastic, recycling, and aggregate industries.
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Magnetic separation equipment can vary greatly in size and strength, but most are rare earth magnets that provide a very strong pull or attraction of tramp metals located in bulk processing systems. Magnets can include grain magnets, eddy current separators, magnetic pulleys, grate magnets, drum magnets, chute magnets and more.
Wooden shipping pallets are shredded, ground up, and conveyed to a storage pile using a belt conveyor. An overhead self-cleaning magnet can be used over the belt conveyor to remove tramp metal, staples and nails before the material is fed onto the pile. The magnet can be designed to fit conveyor belt width and speed.
An eddy current separator can achieve up to 97% metal recovery rates from waste streams in MRFs, C&D recycling systems, auto shredding processes, glass removal operations, electronics recycling and more.
Rotary grate magnets remove ferrous metal from dry powders and other bulk solids that have poor flow characteristics. These types of solids also have a tendency to bridge and choke, when using stationary tube style magnetic separators. Sizes range from 8″ by 8″ up to 18″ by 18″ outlets with custom designs available to fit your exact specifications.
Magnets, such as these large tube rare earth magnets, are used inside of recycling systems that process recoverable materials like paper. This type of magnet would be installed after the paper shredding step inside of the recycling stream. The magnets catch stray nuts, bolts, staples, paper clips, and other metal objects before they reach downstream grinding equipment. They also collect fine metallic particles to ensure a metal-free, recycled paper product. Removal of the collected metals is accomplished using the EZ-clean and self-cleaning design on the magnet.
This video shows a magnetic drum that removes ferrous metal from a recycling system. These rugged types of magnetic separators have a heavy-duty manganese wear shell that protects against damage from large or sharp objects.
A magnetic drum separator is used to remove ferrous metal from sand, free flowing bulk powders, crumb rubber, and more. The most common drum magnet measures 12 inches in diameter and has a 24 inch wide surface.
A screening machine with two decks was built for a manufacturer of high density colorants used for plastic injection molding. They required the screen to remove longs and fines from the product flow that consisted of pellets. A second concern was to ensure that no ferrous particles like metal nuts, washers, bolts, or other foreign items got into the finished product. These types of tramp material could damage the expensive plastic injection molding machines.