FRP spiral chute is the advanced new efficient re-election equipment which successfully developed by Beijing Mining and Metallurgy General Research Institute. Used for sorting granularity 0.3-0.02 millimeters of iron, tin, tungsten, gold, coal mine, monazite, rutile, zirconium stones and other sufficient proportion difference metal, non-metallic minerals.
二、Main technical data
|Thread pitch to diameter ratio||0.75,0.6,0.45||0.75,0.6,0.45||0.75,0.6,0.45|
|Max number of thread||4-2||4-2||4-2|