Detailed technical information, working principles and application scenarios. Custom configurations available based on your project requirements.
Spiral chute, also known as spiral concentrator, is a high‑efficiency gravity separation machine. It adopts FRP (fiberglass reinforced plastic) main body with wear‑resistant PU lining, widely applied to recover fine gold, zircon, chromite and other heavy minerals from placer ore.
Different from flat sluice box which mainly catches coarse gold, spiral chute performs outstanding performance on fine‑particle gold recovery. It handles ore pulp by gravity flow. Minerals with different specific gravity will be separated while pulp flows down along the spiral groove. Heavy valuable minerals sink to the inner layer, and light gangue flows outward for discharge.
| Model | 5LL‑900 | 5LL‑1200 | 5LL‑1500 |
|---|---|---|---|
| Spiral Diameter | 900 mm | 1200 mm | 1500 mm |
| Pitch | 540 mm | 720 mm | 900 mm |
| Number of Spirals | 5 | 5 | 5 |
| Feeding Size | 0.02‑0.4 mm | 0.02‑0.6 mm | 0.03‑0.8 mm |
| Capacity | 0.6‑1.5 t/h | 1‑2.5 t/h | 2‑4 t/h |
| Feed Concentration | 20‑40% | 20‑40% | 20‑40% |
| Overall Height | 2450 mm | 3100 mm | 3750 mm |
| Weight | 260 kg | 480 kg | 720 kg |
| Material | FRP+PU wear‑resistant lining | FRP+PU wear‑resistant lining | FRP+PU wear‑resistant lining |
Q: What is the difference between spiral chute and sluice box? A: Sluice box works better for coarse gold particles. Spiral chute targets fine‑size gold which is easy to lose in normal sluice. They can work together to improve total gold recovery rate.
Q: Do I need extra power for spiral chute? A: The separation itself does not consume power. You only need water pump to deliver ore pulp.
Q: How to choose suitable model? A: Please offer your feeding particle size and required hourly capacity, we will recommend proper spiral chute for your mining project.
Contact us to get proposal and quotation for your mineral processing project.
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High-grade steel structure & precision CNC machining for long-term reliability in the harshest mining conditions.
Optimized chamber geometry and intelligent design deliver maximum output per hour with minimal downtime.
Advanced engineering reduces power consumption by up to 20% compared to conventional equipment designs.
On-site installation, commissioning, operator training and spare parts supply available worldwide.
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