What is Magnetic Filter & How Does it Work?
Magnetic Filter is a filtering and sorting device that uses magnetic force to absorb fine iron impurities in fluid and semi-fluid. It is usually installed inside or outside the hopper, discharge port, and transportation pipeline. When the material flows through the magnetic filter, the iron impurities will be firmly adsorbed on the magnetic surface, thereby effectively purifying the material and protecting the safety of downstream equipment.
Magnetic Filters are commonly used to filter fine iron impurities entrained in powders, particles, liquids, and gaseous materials. At present, the most common magnetic filters are tube magnets, and the equipments with main structure of tube magnets, such as: magnetic grids, drawer magnets, magnetic liquid traps, etc.
The Tube Magnet is composed of strong magnets and a magnetic conductive sheet to form a high-density magnetic field circuit. It is sealed in a stainless steel tube by argon arc welding. After a strict polishing process, the surface is smooth and leak-free, waterproof and anti-fouling. It can absorb ferromagnetic substances in mud and powder, and can absorb nano-level particles when using magnetic intensity above 12000 Gauss.
Grate Magnets aka Magnetic Grids, are installed or simply placed in the storage, drawer box, hopper and other places. They are used to capture and remove iron filings, iron pieces and other metal substances from the product flow.
Grate Magnets are made of several tube magnets with a stainless steel frame. The frame could be square or round depending on the pipeline shape.
GTEK can offer different types of grate magnets, such as easy-cleaning type, baffle equipped type. Through laser seamless welding technology, we can also provide food grade, pharmaceutical grade magnetic grid.
Drawer Magnet is actually a multi-layer grate magnet with housing. It is widely used in ceramics, chemicals, plastics, rubber, dyes, mining, food, environmental protection and other fields. They are used to remove ferromagnetic impurities in dry powder, sheet, granular and other materials.
For continuous automatic iron removal we also provide Pneumatic Self-cleaning Drawer Magnet.
Magnetic Liquid Trap, aka Magnetic Liquid Filter, is used in fluid, semi-fluid and other fluid materials with different viscosity to remove iron impurities and other ferromagnetic particles for keeping the material clean and protecting the downstream production equipment.
The main structure of the magnetic liquid trap is also some magnetic tubes fixed on the detachable device. When liquid or semi-fluid flows through these magnetic rods, small iron impurities will be adsorbed on the surface, and can ensure the quality of the product with regular cleaning.
According to the applications, the maximum working temperature can reach 350 ℃, and can meet the requirements of food or pharmaceutical grade by laser seamless welding.
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