Magnetic Separators

magnetic separator

magnetic separator

Electromagnet and permanent magnet systems are commonly used to sort materials. The force exerted by a magnetic field on ferrous and even paramagnetic materials can be used to separate these materials from other metals. The most common applications are recycling and in ore extraction. Very high field levels are often needed and superconducting systems with 5 or 6 metre diameter magnets are not uncommon.
Even with superconducting technology, the market for these magnets is heavily driven by economics rather than by technical superiority or extremely high level performance as is required in MRI/NMR and particle accelerator magnets. Nevertheless, there are still very important design criteria – most notably the distribution of the field in the magnet and the forces exerted both on the materials being separated and on the magnet components. In superconducting systems, design constraints also exist to prevent unacceptable mechanical failure during a quench.

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