Spiral chute is used to process iron, stannum, tungsten, tantalum, niobium, gold ore, colliery, monazite, rutile and zircon of the size between 0.3 and 0.02 mm, metals and nonmental minerals with enough proportion deviation.

Spiral chute is made up of feeder, feed chute, spiral flute, bracket, intercepting slot, and supporting frame, etc.

Simple structure, light weight, lower power consumption, easy operation, reliable operation, easy maintenance, smaller area, high capacity, and high separating efficiency.