Silica sand ball mill
A silica sand ball mill is a specialized industrial grinding machine that processes high-purity silica sand (SiOโ) into finely controlled particle sizes (typically 20-200 mesh) for critical applications like glassmaking, foundry molds, and photovoltaic materials.
Designed to handle silicaโs 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.
ููุฉ ุงูู ุญุฑู:18.5-4500Kw
ุณุนุฉ: 0.65-615t/h
Silica sand ball mill features
1. โโHigh Efficiencyโโ: Utilizes steel balls to achieve rapid and uniform grinding.
โโ2. Adjustable Particle Sizeโโ: Output can be tuned (typically 20-200 mesh) by adjusting speed, grinding time, and ball-to-material ratio.
โโ3. Energy-Saving Designโโ: Optimized transmission systems reduce power consumption per ton.
โโ4. Durabilityโโ: Wear-resistant liners (e.g., high-manganese steel or ceramics) withstand abrasive silica sand.
5. Process Flexibilityโโ: Supports both dry and wet grinding methods.
Silica sand ball mill working principle
The silica sand ball mill operates through three stages:
1. Feedingโโ: Raw silica sand is fed into a rotating cylindrical chamber.
2. โโGrindingโโ:
- 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.
โโ3. Dischargeโโ: Ground powder passes through a discharge grate while oversized particles continue grinding.
โโCritical Parametersโโ:
- โโRotation Speedโโ: 65โ80% of critical speed (ensures optimal cascading of balls).
- โโBall Loadingโโ: 30โ40% of the chamber volume.
- โโMaterial-to-Ball Ratioโโ: 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) |
|---|---|---|---|---|---|---|
| ฯ900ร1800 | 0.65-2 | 36 | 1.5 | 0.075-0.89 | 18.5 | 5.85 |
| ฯ900ร3000 | 1.1-3.5 | 38 | 2.7 | 0.075-0.89 | 22 | 6.98 |
| ฯ1500ร3000 | 2-5 | 29.7 | 7.5 | 0.074-0.4 | 75 | 19.5 |
| ฯ1500ร5700 | 3.5-6 | 27 | 12 | 0.074-0.4 | 130 | 25.8 |
| ฯ1830ร3000 | 4-10 | 25.4 | 11 | 0.074-0.4 | 130 | 34.5 |
| ฯ1830ร6400 | 6.5-15 | 24.1 | 21 | 0.074-0.4 | 210 | 43 |
| ฯ2100ร3000 | 6.5-36 | 23.7 | 15 | 0.074-0.4 | 155 | 45 |
| ฯ2200ร4500 | 9-45 | 21.5 | 27 | 0.074-0.4 | 280 | 54.5 |
| ฯ2200ร6500 | 14-26 | 21.7 | 35 | 0.074-0.4 | 380 | 61 |
| ฯ2200ร7000 | 15-28 | 21.7 | 35 | 0.074-0.4 | 380 | 62.5 |
| ฯ2200ร7500 | 15-30 | 21.7 | 35 | 0.074-0.4 | 380 | 64.8 |
| ฯ2400ร3000 | 7-50 | 21 | 23 | 0.074-0.4 | 245 | 58 |
| ฯ2700ร4000 | 22-80 | 20.7 | 40 | 0.074-0.4 | 380 | 95 |
| ฯ2700ร4500 | 26-90 | 20.7 | 48 | 0.074-0.4 | 480 | 102 |
| ฯ4500ร6400 | 84-306 | 15.6 | 172 | 0.074-0.4 | 2000 | 280 |
| ฯ5500ร8500 | 148-615 | 13.8 | 338 | 0.074-0.4 | 4500 | 525 |
