LL Spiral Chute

LL Spiral Chute

Equipment Introduction

Spiral Chute is made up of feeder, feed chute, spiral flute, bracket, intercepting slot, and supporting frame, etc.It's a type of new gravity separation equipment, which is applicable to separate metallic minerals granularity between 4 —0.02, such as iron , ilmenite, chromite, pyrite, tungsten ore, tin ore, tantalum-niobium ore, gravel mine, zirconite and rutile as well as other nonferrous metals, rare metals and nonmetallic minerals with adequate gravity difference.It's easy and reliable to operate and maintain, also with high capacity and separating efficiency.


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 0.02mm, metals and nonmetal minerals with enough proportion deviation.

Main Benefits And Features

  1. Stable and clear mineral separation with large handling capacity.
  2. High efficiency with higher concentration ratio and high recovery.
  3. High adaptability of the feeding capacity and the variability of concentration, granularity and grade.
  4. Easy for installation with small floor space and simple operation.
  5. Material quality material quality with features of moisture resistance, rust protection and corrosion resistance.
  6. With advantages of non-powered, without moving parts and without noise, etc.

Technical Data

LL Spiral Chute
Model LL-2000 LL-1500 LL-1200 LL-900 LL-600
External Diameter(mm) 2000 1500 1200 900 600
Pitch(mm) 1200 720,540 720,540 540,405 450,360
Cross Dip(°)
Spiral Quantity 1~3 1~4 1~4 1~4 1~3
Max turns of Spiral 4 5 5 5 5
Feed Size(mm) 4-0.04 0.8-0.037 0.3-0.03 0.3-0.03 0.2-0.02
Feed Density (%) 20-45 25-50 25-55 25-55 25-55
Capacity(t/h) 15-40 6-8 4-6 2-3 0.8-1.2
Overall Dimension Length(mm) 2300 1560 1360 1060 700
Width(mm) 2300 1560 1360 1060 700
Height(mm) 6500 5230、4360 5230、4360 4000、3325 2600、2150
Weight(kg) 1350 800 600 400 150
Notes:1. The above technical parameters calculated based on max spiral quantity and max pitch. Specific data is subject to actual machine. 2. The feed concentration (percentage) is not absolute amount. 3. Spiral chute is different from screw pitch and the total height of corresponding spiral chute is also different.

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