What are the advantages and disadvantages of spiral chute?

Spiral chute sorting hematite, heavy mineral recovered in the tailings and sorting non-ferrous metals and rare minerals are widely used, because it has the following advantages: â‘  itself has no moving parts and consumes no power; â‘¡ The equipment has a small footprint and a large processing capacity. 3 Because the quality of the ore is high and no washing water is added, the water is saved. 4 The conditions required for operation ( such as grain size, mass fraction, etc. ) are not critical, and the selection index is more stable.