








Introduction to Magnetic Separation Drum
A magnetic separation drum is a high-efficiency mechanical equipment for material separation based on the principle of magnetic force, widely used in mineral processing, resource recycling, environmental protection and other fields. Its core structure consists of a cylindrical drum and an internal magnetic system, which usually uses high-performance permanent magnetic materials or electromagnetic devices to generate a stable and controllable magnetic field.
During operation, materials to be processed are conveyed to the drum surface through a feeding device. When magnetic materials (such as iron ores, magnetic alloy particles, waste iron, etc.) pass through the magnetic field area, they are rapidly adsorbed onto the drum surface, carried by the drum's rotation to a specified position, and then separated from the drum by a discharging device for collection. Non-magnetic materials, such as sand, soil, plastics, etc., are directly discharged from below the drum under the action of gravity or centrifugal force, thus achieving efficient separation of magnetic and non-magnetic materials.
With the advantages of compact structure, stable operation, high separation efficiency, and easy maintenance, magnetic separation drums have become indispensable separation equipment in industrial production. In the mining industry, they are used for pre-selection of lean iron ores to improve ore grade and reduce subsequent processing costs; in urban solid waste treatment, they can separate waste metals from mixed garbage to promote resource recycling; in the building materials industry, they remove iron impurities from raw materials like quartz sand and kaolin to enhance product purity and quality. With continuous technological innovation, new-type magnetic separation drums are developing towards intelligence, high-gradient magnetic fields, and energy conservation and environmental protection to meet more complex working conditions and fine separation requirements.