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STLB Centrifugal Concentrator

Centrifugal force for better fine-gold recovery

STLB Centrifugal Concentrator
Gravity Separation

STLB Centrifugal Concentrator

The STLB centrifugal concentrator amplifies the gravity difference between particles with centrifugal force, separating heavy from light particles. It is well suited to recovering fine gold and fine heavy minerals.

  • Five models: STLB20 / 30 / 60 / 80 / 100
  • Capacity 0–80 t/h, feed size 0–3 to 0–6 mm
  • Power 0.75–18.5 kW, weight 205–3700 kg
Suitable minerals: Placer gold, hard-rock gold (recovering free gold in the grinding circuit), associated gold, and fine tungsten, tin and other heavy minerals.
SPECIFICATIONS

Technical Specifications

ParameterSTLB20STLB30STLB60STLB80STLB100
Capacity (t/h)0–0.62–38–1240–4560–80
Fluidising water (m³/h)2–33–57–1030–3650–60
Slurry water (m³/h)1.5–45–78–1240–4560–80
Feed density (% solids)0–500–500–500–500–50
Feed size (mm)0–30–30–50–50–6
Concentrate flush cycleHard-rock gold every 1–3 h; placer gold every 2–6 h (all models)
Concentrate per flush (kg)23–510–2040–5070–80
Power (kW)0.751.541118.5
Weight (kg)205380110023003700

Data from the product catalogue; may be adjusted to the ore. Final figures are confirmed in the quotation.

WORKING PRINCIPLE

Working Principle

Slurry enters at the bottom of the rotating cone and centrifugal force throws particles against the riffled wall. Gold and other heavy particles stay in the riffles while fluidising water keeps the bed loose and light particles are carried up and out. At the end of each cycle the concentrate is flushed out.

Working principle diagram
MORE GRAVITY EQUIPMENT

More Gravity Equipment

Tell us your ore and capacity — get a configuration and quotation

Our engineers recommend a flowsheet and equipment set based on your ore.

Photo: David Ratledge, Wikimedia Commons, CC BY 4.0