Silicon carbide lined cyclone, is a kind of new wear-resistant product, the lining material with high hardness, abrasion resistance and impact resistance, high temperature resistance, acid and alkali resistance, corrosion resistance and other characteristics, the actual service life is 6 times more than Alumina lining. Especially suitable for highly abrasive, coarse particles in the classification, concentration, dehydration and other operations and it has been successfully applied in many mines.