... .3-0.02mm thin materials of iron ore,ilmenite,chromite,pyrite,zircon,rutile,monazite,P B ore,etc. Spiral chute application: ... , pyrite, azorite, rutile, monazite, phosphorite, oxide ore, tin ore, tantalum ore, niobium ore and other nonferrous metals with distinct specific gravity difference, ... ; deliver the ore slurry to the two feeding opening at top of the spiral chute with the help of sand pump; ...