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Fiberglass Spiral Chute – High-Efficiency Gravity Separator for Fine Mineral Recovery
In the competitive world of mineral processing, maximizing recovery while minimizing operational costs is the top priority for mine owners. The Fiberglass Spiral Chute has become one of the most trusted gravity separation devices, widely applied in the extraction of iron ore, chromite, ilmenite, rutile, zircon, silica sand, and fine gold.
This article explores how our spiral chutes work, their key advantages, typical applications, and why they are the preferred choice for both small-scale and large-scale mining operations worldwide.
What Is a Fiberglass Spiral Chute?
A Fiberglass Spiral Chute is a gravity concentrator that uses centrifugal force and gravity to separate heavy minerals from light gangue. Unlike traditional jigs or shaking tables, it requires no electric power and has no moving parts, making it extremely energy-efficient and low-maintenance.
Constructed from high-strength fiberglass reinforced plastic (FRP) with an embedded wear-resistant corundum (emery) layer, our spiral chutes are designed to withstand abrasive slurries and harsh mining environments for years without deformation or corrosion.
How Does It Work?
The working principle is simple yet highly effective:
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Slurry Feeding: Mineral slurry (typically 30–40% solids) is fed onto the top of the spiral.
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Centrifugal Separation: As the slurry flows down the spiral channel, centrifugal force pushes heavier particles toward the inner side, while lighter particles migrate outward.
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Stratification: A stable stratified layer forms, with heavy minerals concentrated along the inner wall.
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Splitter Collection: Adjustable splitters at the discharge end separate concentrate, middlings, and tailings into individual launders.
The entire process is chemical-free, environmentally friendly, and continuous.
Key Features & Advantages
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No Power Required: Operates solely on gravity—ideal for remote sites with limited electricity.
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High Capacity: Single starts handle 2–6 TPH, with multi-start configurations scaling up to 40+ TPH.
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Exceptional Durability: FRP body with corundum lining resists abrasion, corrosion, and UV degradation.
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Low Operating Cost: Minimal maintenance, no screens or moving parts, and extremely low water consumption.
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Flexible Configuration: Available in 3-turn, 4-turn, and 5-turn designs, with varying pitches (shallow, medium, steep) to match ore characteristics.
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Compact Footprint: Vertical design saves floor space and simplifies plant layout.
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Stable Performance: Consistent recovery across fluctuating feed grades and particle sizes (-200 mesh to +20 mesh).
Typical Applications
Fiberglass Spiral Chutes are extensively used in:
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Iron Ore Beneficiation (hematite, magnetite pre-concentration)
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Beach Sand & Heavy Mineral Sands (ilmenite, rutile, zircon, monazite)
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Chrome & Manganese Ore Upgrading
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Silica Sand Purification
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Fine Gold & Tantalum-Niobium Recovery
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Tailing Reprocessing Projects
Technical Parameters (Common Models)
Model |
Outside Diameter (mm) |
Pitch (mm) |
Turns |
Capacity (TPH/start) |
Feeding Size (mm) |
|---|---|---|---|---|---|
LL-900 |
900 |
540/720 |
3–5 |
2–4 |
0.3–0.02 |
LL-1200 |
1200 |
720/900 |
4–5 |
4–6 |
0.3–0.03 |
LL-1500 |
1500 |
810/1080 |
4–5 |
6–10 |
0.3–0.04 |
(Custom sizes and multi-start assemblies available upon request.)
Why Choose Our Fiberglass Spiral Chutes?
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Proven Design: Based on decades of mineral processing experience and continuous R&D improvement.
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Strict Quality Control: Each chute undergoes hydrostatic testing and dimensional inspection before shipment.
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Global Compliance: Motors and accessories available with CE, ISO certification; compliant with NR12/NR10 standards for Brazil.
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Comprehensive Support: Portuguese/English operation manuals, installation drawings, and remote commissioning guidance via WhatsApp/Zoom.
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Fast Delivery: Standard models in stock; customized solutions delivered within 15–30 days.
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Long-Term Partnership: 12-month warranty, lifetime technical consultation, and guaranteed spare parts supply for 10+ years.
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Conclusion
The Fiberglass Spiral Chute offers a perfect balance of efficiency, reliability, and economy. Its ability to recover fine heavy minerals without power or chemicals makes it indispensable for modern, sustainable mining operations. Whether you are upgrading iron ore in India, processing beach sands in Africa, or recovering fine gold in South America, our spiral chutes deliver consistent, profitable results.
📩 Contact us today for a free process consultation, detailed quotation, or a customized plant layout tailored to your ore type.
Email: rickmining@163.com Phone:+86 15870708625
Send Inquiry to This Supplier
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