Bauxite, the primary ore for aluminum production, is typically mined via open-pit methods due to its shallow deposits. Key global sources include Australia, Guinea, China, and Brazil. The manufacturing process involves crushing, grinding, and refining (Bayer Process) to extract alumina (Al₂O₃), which is then smelted into aluminum.
For crushing and grinding stages in bauxite processing, specialized equipment like jaw crushers, cone crushers, and ball mills are employed. Below is a parameter table for common bauxite processing equipment:
| Equipment | Model Example | Feed Size (mm) | Output Size (mm) | Capacity (t/h) | Power (kW) |
|——————–|—————|—————-|——————|—————-|————|
| Jaw Crusher | PE-600×900 | ≤500 | 65-160 | 50-160 | 55-75 |
| Cone Crusher | HPT300 | ≤240 | 6-40 | 100-250 | 220 |
| Ball Mill | MQG2700×3600 | ≤25 | 0.074-0.4 | 12-70 | 400 |
1. Primary Crushing: Heavy-duty jaw crushers reduce raw bauxite to ≤200mm.
2. Secondary Crushing: Cone crushers further refine material to ≤50mm for grinding efficiency.
3. Grinding: Wet ball mills pulverize bauxite into slurry for alumina extraction.
4. Auxiliary Systems: Vibrating screens (e.g., 3YK3070, capacity 100t/h) and belt conveyors (B1000, speed 1.6m/s) ensure seamless material flow.
– Location: Boké Region, Guinea
– Flow: Two-stage crushing (Jaw + Cone) → Ball milling → Bayer refining
– Output: Final alumina purity ≥98.5%, with tailings recycled for road construction.
Q1: What’s the ideal
