What Is a Magnetic Separator?
A magnetic separator is a device that employs magnetic force to isolate objects. These separators are utilized across various industries to extract chips and sludge from cutting oil in grinding machines, segregate materials in industrial waste, and remove foreign matter from food. Both electromagnetic and permanent magnet types are available, catering to different applications and needs.
Applications of Magnetic Separators
Magnetic separators are versatile, with applications including:
1. For Machine Tools
Used in grinding, shaving, honing machines, and other machine tools, these separators extract metal chips from coolant, improving machine efficiency and coolant lifespan. Selection is based on coolant type, flow rate, and chip quantity, with specific considerations for magnet type and material for optimal performance.
2. For Material Separation
Suspended magnetic separators sort ferromagnetic materials from conveyors, recover metals from waste, and recycle resources like aluminum and ores. Drum-type separators, another common variant, are used in food processing and recycling industries to remove metals from various products.
Principle of Magnetic Separators
Magnetic separators for machine tools specifically target grinding dregs and sludge, using magnetic drums to collect and remove water from chips. Ferrite and rare earth magnets are employed, with rare earth magnets favored for their stronger magnetic energy, suitable for challenging materials and fine particles.
Features of Magnetic Separators
Key features include:
1. Separator for Machine Tools
High Separating Efficiency: Capable of collecting weak magnetic materials efficiently using rare earth magnets for high magnetic flux density.
Low Running Cost: Magnetic separators reduce the need for filter replacements, lowering operational costs. Additional cyclones can further enhance particle collection.
Reduced Frequency of Equipment Cleaning: Less accumulation in coolant tanks decreases the need for frequent cleaning and coolant replacement.
2. Permanent Magnet Type Separator
Stable and High Magnetic Force: Offers stable magnetic force without the heat generation issues of electromagnetic separators, ensuring high efficiency.
Low Maintenance Cost: Durable, easy-to-maintain design without the need for electrical upkeep.
Easy Installation: Simple setup process, with a smaller and lighter design compared to electromagnetic types.