Silica sand ball mill
A silica sand ball mill is a specialized industrial grinding machine that processes high-purity silica sand (SiO₂) into finely controlled particle sizes (typically 20-200 mesh) for critical applications like glassmaking, foundry molds, and photovoltaic materials.
Designed to handle silica’s extreme hardness and abrasiveness, it utilizes rotating chambers filled with steel balls that crush and refine raw sand through collision and friction.
Operators adjust parameters such as rotation speed, grinding time, and ball-to-material ratios to achieve precise particle distributions, ensuring consistency for industries requiring purity and uniformity.
Modern models enhance efficiency with energy-saving designs, wear-resistant liners, and adaptive control systems, making it indispensable for transforming raw silica into high-value industrial products.
Potencia del motor:18.5-4500Kw
Capacidad: 0.65-615t/h
Silica sand ball mill features
1. High Efficiency: Utilizes steel balls to achieve rapid and uniform grinding.
2. Adjustable Particle Size: Output can be tuned (typically 20-200 mesh) by adjusting speed, grinding time, and ball-to-material ratio.
3. Energy-Saving Design: Optimized transmission systems reduce power consumption per ton.
4. Durability: Wear-resistant liners (e.g., high-manganese steel or ceramics) withstand abrasive silica sand.
5. Process Flexibility: Supports both dry and wet grinding methods.
Silica sand ball mill working principle
The silica sand ball mill operates through three stages:
1. Feeding: Raw silica sand is fed into a rotating cylindrical chamber.
2. Grinding:
- The cylinder rotates at a controlled speed, lifting steel balls to a specific height before they cascade down.
- Impact and friction between the balls and silica sand break down particles into finer sizes.
3. Discharge: Ground powder passes through a discharge grate while oversized particles continue grinding.
Critical Parameters:
- Rotation Speed: 65–80% of critical speed (ensures optimal cascading of balls).
- Ball Loading: 30–40% of the chamber volume.
- Material-to-Ball Ratio: Adjusted based on target fineness.
Specifications of silica sand ball mill
| Specification(mm) | Capacity(t/h) | Rotate Speed(r/min) | Grinding Media Load(t) | Output Size(mm) | Motor Power(kW) | Weight(t) |
|---|---|---|---|---|---|---|
| φ900×1800 | 0.65-2 | 36 | 1.5 | 0.075-0.89 | 18.5 | 5.85 |
| φ900×3000 | 1.1-3.5 | 38 | 2.7 | 0.075-0.89 | 22 | 6.98 |
| φ1500×3000 | 2-5 | 29.7 | 7.5 | 0.074-0.4 | 75 | 19.5 |
| φ1500×5700 | 3.5-6 | 27 | 12 | 0.074-0.4 | 130 | 25.8 |
| φ1830×3000 | 4-10 | 25.4 | 11 | 0.074-0.4 | 130 | 34.5 |
| φ1830×6400 | 6.5-15 | 24.1 | 21 | 0.074-0.4 | 210 | 43 |
| φ2100×3000 | 6.5-36 | 23.7 | 15 | 0.074-0.4 | 155 | 45 |
| φ2200×4500 | 9-45 | 21.5 | 27 | 0.074-0.4 | 280 | 54.5 |
| φ2200×6500 | 14-26 | 21.7 | 35 | 0.074-0.4 | 380 | 61 |
| φ2200×7000 | 15-28 | 21.7 | 35 | 0.074-0.4 | 380 | 62.5 |
| φ2200×7500 | 15-30 | 21.7 | 35 | 0.074-0.4 | 380 | 64.8 |
| φ2400×3000 | 7-50 | 21 | 23 | 0.074-0.4 | 245 | 58 |
| φ2700×4000 | 22-80 | 20.7 | 40 | 0.074-0.4 | 380 | 95 |
| φ2700×4500 | 26-90 | 20.7 | 48 | 0.074-0.4 | 480 | 102 |
| φ4500×6400 | 84-306 | 15.6 | 172 | 0.074-0.4 | 2000 | 280 |
| φ5500×8500 | 148-615 | 13.8 | 338 | 0.074-0.4 | 4500 | 525 |
