Spiral classifier for Iron Ore, Copper, Zinc cleaning and
2019919&ensp·&enspSpiral classifier for Iron Ore, Copper, Zinc cleaning and processing. published date: 09192019. Ore spiral classifier appliion. Spiral stone washer is a largescale mining equipment used in black and nonferrous metallurgical mines, steel, metallurgy, chemical industry and building materials to wash ore and stone materials like iron ore sand, copper ore, gold sand, placer sand.