Eriez - Magnetic Mill Liner Get latest price

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The metal magnetic mill liner (MML) is a wear resistant steel-encased magnet. It combines the best qualities of steel and magnetic liners. The magnet holds the metal magnetic liner to the shell and retains ball chips and magnetic minerals to form a solid protection layer which serve as the wear liner. The ball chips and magnetic minerals are retained continuously and therefore the liner may last for years without any maintenance. The metal magnetic mill liner with the longest service life has been in service for over 10 years.

Installations show that magnetic mill liners:

• Are safe and easy to install
• Drastically reduce maintenance costs
• Increase mill availability
• Prevent back washing of mill shell
• Can lower medium consumption
• Can reduce noise levels
• Can reduce/eliminate mill leakage
• Can improve the working environment

Magnetic Mill Liner applications include secondary ball mills and regrind ball mills.

Proven Performance

The metal magnetic mill liner has been in use for years and has provided higher grinding efficiencies. The thickness of the metal magnetic liner with the protection layer is less than that of a conventional liner, resulting in a greater working volume. The metal magnetic mill liner also creates a wave form that is generated by the magnetic force and provides optimal attrition by lifting the material being ground. The higher attrition results in less abrasion and impact, which promotes a higher charge pressure and grinding efficiency.

Grinding ball chips and other debris discharged from a ball mill can cause extreme wear to downstream processing equipment. These ball chips and debris can circulate in the milling circuit and can cause excessive damage to pumps, cyclones and piping. Energy is unnecessarily consumed as these ball chips and debris must eventually be ground to a particle size small enough to allow for its discharge from the mill circuit through a cyclone overflow.

Instead, the metal magnetic mill liner will adsorb the ball chips and debris to its surface and prevent its discharge from the mill while the solid protection layer is formed. The smaller sized ball chips are sorted out and separated from the primary ball charge. These ball chips and other debris work as the liner and no excess energy is required.

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To contact Eriez about Eriez Magnetic Mill Liner use Get a quote.