... chromite,pyrite,zircon,rutile,monazite,P B ore,etc. Spiral chute application: This machine is applicable for selecting materials with size ... thickness change to a large extent. Stick up the spiral chute, adjust vertical line, and fix it to a proper ... the whole concentrating process Spiral ChuteMain technical parameters of spiral chute: ModelOutside diameter(mm)Inner diameter(mm)Spiral pitch(mm)Span ...