Spiral
A simple and efficient method for gravity separation of minerals
Performance and Application
In mineral processing methods, one of the simplest and at the same time most efficient methods among gravity separation methods is the spiral method and the use of spiral chutes. This method is only applicable to minerals that have different and high specific gravity. The use of spirals in processing plants is very widespread.
Main applications:
- Screening and concentration of gold, lead, zinc, copper, and coal
- Processing of silica particles
- Processing of tin, tantalum, and zirconium ores
- Hematite and magnetite iron ore processing
Key Benefits
- **Simplicity and High Efficiency:** Simple design with very high operational efficiency.
- **Low cost:** Very low initial investment and operational cost.
- **No energy consumption:** The separation process is carried out without the need for electrical energy consumption.
- **Minimal maintenance:** Very low depreciation and need for periodic repairs.
- **No need for chemical substances:** The process is completely physical and does not require any chemical consumables.
Technical specifications
| Type | Diameter (mm) | Height (mm) | Capacity (Kg/Hr) | Pulp density (kg/cm³) | Feed dimensions (mm) |
|---|---|---|---|---|---|
| Helix | 600 | 2350 | 1000-1900 | 1.1–2.4 | 0.05–2 |
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