Products Portfolio

Mineral BeneficiationIndustrial Grade • Custom Scalable

Spiral Chutes

“

Spiral chutes are gravity-based separation equipment used to separate minerals based on density differences. They are commonly used for coal, iron ore, chromite, and other mineral beneficiation processes.

Key Features & Engineering Advantages

✓
Composite fiberglass construction reinforced with wear-resistant polyurethane lining
✓
Custom helix profiles tailored for coal, heavy mineral sands, or chromite/iron separation
✓
Calibrated product splitter boxes with micrometer adjustments for concentrate, middling, and tailing
✓
Integrated wash water distribution launders for enhanced gangue rejection
✓
Modular multi-start designs (single, double, triple, quadruple starts) maximizing floor throughput

Performance & Economic Benefits

01

Zero operational power consumption — 100% gravity driven operation

02

Low capital and maintenance costs with no moving mechanical parts

03

High resistance to corrosive acidic slurries and extreme abrasion

04

Compact footprint utilizing vertical headroom in multi-stage wash plants

Technical Specifications

Engineered Standards
Design Parameter / SpecificationTechnical Standard / Value
Helix Diameter600 mm to 1,000 mm
Number of Turns3.5 to 7 turns per column
ConfigurationSingle, Twin, Triple, or Quadruple starts
Feed Solids Range25% to 45% solids w/w
Feed Particle Size0.038 mm to 2.0 mm

Typical Applications

  • Iron ore fines and specular hematite concentration
  • Coal fine cleaning and pyrite sulfur rejection
  • Chromite, manganese, and tantalite recovery
  • Beach sand separation (zircon, ilmenite, monazite)
  • Gold and tin gravity pre-concentration circuits

Industries Served

Mining & Gravity ConcentrationCoal Washing & PreparationMineral Sands & Rare EarthsFerroalloy ProducersAggregate & Industrial Silica

Require Custom Sizing or Technical Datasheet?

Our senior process engineers provide verified equipment sizing, GA dimensional blueprints, and competitive project quotations.