**Small Gravity Spiral Gold Separator – Spiral Chute for Gold**
**Model No.:** LL
**Type:** Beneficiation Machinery
**Mining Object:** Gold, Iron, Ore, Cement, Rock
**Trademark:** HC
**Transport Package:** Standard Packing
**Specification:** CE, SGS, ISO9001, BV
**Origin:** Henan, China
**HS Code:** 847410000
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**Overview of the Spiral Chute**
The spiral chute is a gravity-based mineral separation device widely used in the mining and mineral processing industry. It consists of an open, helical trough that spirals downward around a central axis. This design allows for efficient separation of particles based on their density and size without the need for moving parts.
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**Key Features of the Spiral Chute**
1. **No Moving Parts:** The spiral chute operates with a simple structure, making it durable and easy to maintain.
2. **High Efficiency:** It meets international standards and delivers excellent performance in gravity concentration.
3. **Stable Operation:** With a compact footprint, it provides reliable and consistent operation even under heavy workloads.
4. **Easy Maintenance:** Its straightforward design reduces downtime and simplifies servicing.
5. **Versatile Application:** Suitable for various minerals such as gold, iron, tin, and other materials with differing specific gravities.
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**Applications**
This spiral chute is ideal for separating fine particles ranging from 0.02mm to 0.3mm, including gold, iron, tin, tungsten, tantalum, niobium, and other non-metallic minerals. It is commonly used in small to medium-scale mining operations where high efficiency and low maintenance are essential.
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**Working Principle**
When the slurry is fed into the top of the spiral chute, the particles move down the spiral due to gravity. The separation occurs based on differences in particle density and size. A minimum specific gravity difference of 1.0 is required for optimal performance. The system requires only slurry pumps, the feed material, and a series of spiral chutes equipped with a feed distributor.
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**Technical Specifications**
| Model | LL-2000 | LL-1500 | LL-1200 | LL-900 | LL-600 |
|-----------|-----------|-----------|-----------|-----------|-----------|
| Diameter (mm) | 2000 | 1500 | 1200 | 900 | 600 |
| Pitch (mm) | 1200/1500 | 540/720 | 540/720/900 | 405/540/675 | 270/360/450 |
| Pitch Ratio | 0.6/0.75 | 0.45/0.6/0.75 | 0.45/0.6/0.75 | 0.45/0.6/0.75 | 0.45/0.6/0.75 |
| Slope (°) | 9 | 9 | 9 | 9 | 9 |
| Head | 4 | 4 | 4 | 4 | 3 |
| Input Size (mm) | 0.04–2 | 0.02–2 | 0.03–0.3 | 0.03–0.3 | 0.02–0.2 |
| Input Thickness (%) | 25–55 | 25–55 | 25–55 | 25–55 | 25–55 |
| Capacity (t/h) | 12–30 | 6–12 | 4–6 | 2–3 | 0.8–12 |
| Dimensions (mm) | 2100×2100×5600 | 1580×1580×5230 | 1360×1360×5230 | 1100×1100×4000 | 700×700×2600 |
| Weight (kg) | 2000 | 1100 | 600 | 400 | 150 |
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Whether you're looking to enhance your mineral processing workflow or optimize gold recovery, the spiral chute offers a cost-effective and efficient solution. Its robust design and ease of use make it a preferred choice in the global mining industry.
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