Iron removers are specialized industrial equipment that utilize magnetic field adsorption to separate ferromagnetic impurities (such as nails, iron filings, wire, and small iron fragments) from various materials, including coal, ore, grain, and building materials. Their core functions are twofold: first, they protect subsequent production equipment (such as crushers, grinders, conveyor belts, and coal mills) from impact, wear, or seizure caused by iron objects, thereby extending equipment life; and second, they enhance product purity by preventing iron impurities from affecting material quality (e.g., iron filings in grain endanger food safety, and iron impurities in ore reduce smelting efficiency). These removers are widely used in a variety of industries, including mining, coal, power generation, grain processing, food, pharmaceuticals, and building materials.