Polyurethane hydrocyclone is the so-called "wear-resisting king" polyurethane material made of series product, has simple structure, light weight, wear resistance, corrosion resistance, ageing resistance, long life, easy maintenance, sorting effect is good, etc. Widely used in black metal, non-ferrous metal, nonmetal ore tailings built in the field, is mine tailings DAMS, classification, purification, oil field mud purification of the ideal products.