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Help CenterAfrica Small 6/8/10 Nails Gold Mining Ball Mill Grinding Machine for Sale
Product Spotlights
Heavy-Duty Construction: Thick steel plate barrel and large forged steel trunnions guarantee stability and durability.
Wear-Resistant Liners: High manganese steel or rubber liners offer long service life and protect the barrel.
Versatile Application: Wet or dry grinding for gold, copper, iron ore, cement, and various minerals.
Easy Maintenance
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Africa Small 6/8/10 Nails Gold Mining Ball Mill Grinding Machine for Sale
🔹 Product Overview
The Ball Mill is the key re-grinding equipment after the crushing process in mineral beneficiation plants. It is widely used for wet or dry grinding of various ores and other grindable materials, such as gold ore, copper ore, iron ore, lead-zinc ore, molybdenum ore, feldspar, quartz, limestone, cement clinker, etc.
Our ball mills are available in overflow type (for fine grinding) and grate/discharge type (for coarse grinding & high capacity), with optional rubber liners, high-manganese steel liners, or ceramic liners to suit different ore properties.
🔹 Working Principle
The ball mill is a horizontal rotating cylinder supported by bearings at both ends. Material is fed into the mill through the hollow trunnion (feed end). The cylinder rotates driven by a girth gear / pinion and motor, causing the grinding media (steel balls or cylpebs) inside to be lifted to a certain height by centrifugal force and then cascade or cataract down.
Ore particles are crushed by impact from falling balls and ground by attrition/friction between balls and liners. The ground slurry (wet grinding) or powder (dry grinding) discharges from the opposite end—either by overflow or through a grate screen—and proceeds to the next stage of classification/flotation/gravity separation.
🔹 Key Features & Advantages
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✅ High Grinding Efficiency – Large-diameter inlet/outlet & optimized chamber design improve throughput and liberation rate.
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✅ Energy-Saving Design – Equipped with double-row self-aligning roller bearings (replacing sliding bearings), reducing energy consumption by 15%–20%.
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✅ Durable & Replaceable Liners – High-manganese steel / wear-resistant rubber / ceramic liners available; wave-type or stepped riffles enhance ball lifting.
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✅ Flexible Discharge Options – Overflow type for fine grinding; Grate type for fast discharge & prevention of over-grinding.
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✅ Heavy-Duty Drive System – Precision-machined girth gear & pinion with spray lubrication system; optional VFD for speed control.
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✅ Wet & Dry Operation – Suitable for both wet slurry grinding and dry powder grinding per customer requirement.
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✅ Easy Maintenance – Big access manholes, split-type end covers, and full set of spare parts (gears, bearings, liners, steel balls) available.
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✅ Customizable – Liner material, discharge type, motor brand (Siemens/WEG/Chinese top brand), voltage & frequency can be customized.
🔹 Typical Applications
Applicable Material |
Function |
|---|---|
Gold / Silver Ore |
Primary & secondary grinding before gravity/cyanidation/CIP |
Copper / Lead-Zinc Ore |
Grinding before flotation |
Iron Ore |
Regrinding before magnetic separation or gravity |
Tungsten / Tin / Chrome Ore |
Fine grinding before shaking table/jig |
Limestone / Cement Clinker |
Dry grinding for cement plant |
Quartz / Feldspar / Graphite |
Ceramic & non-metal mineral grinding |
Recommended feed size: ≤20–25 mm, discharge size adjustable: 0.074–0.4 mm (200 mesh – 150 mesh typical)
🔹 Technical Parameters (Common Models – Example)
Model |
Cylinder Size (mm) |
Rotate Speed (r/min) |
Ball Load (t) |
Feed Size (mm) |
Discharge Size (mm) |
Capacity (t/h) |
Motor Power (kW) |
Weight (t) |
|---|---|---|---|---|---|---|---|---|
MQGØ900×1800 |
900×1800 |
36–38 |
1.5 |
≤20 |
0.075–0.89 |
0.65–2 |
18.5 |
5.85 |
MQGØ900×3000 |
900×3000 |
36 |
2.7 |
≤20 |
0.075–0.89 |
1.1–3.5 |
22 |
6.98 |
MQGØ1200×2400 |
1200×2400 |
36 |
3.0 |
≤25 |
0.075–0.6 |
1.5–4.8 |
30 |
13.6 |
MQGØ1200×3000 |
1200×3000 |
36 |
3.5 |
≤25 |
0.074–0.4 |
1.6–5 |
37 |
14.3 |
MQGØ1500×3000 |
1500×3000 |
29.7 |
7.5 |
≤25 |
0.074–0.4 |
2–5 |
75 |
19.5 |
MQGØ1500×4500 |
1500×4500 |
27 |
11 |
≤25 |
0.074–0.4 |
3–6 |
110 |
22 |
MQGØ1830×4500 |
1830×4500 |
25.4 |
15 |
≤25 |
0.074–0.4 |
4.5–12 |
155 |
38 |
MQGØ2100×3000 |
2100×3000 |
23.7 |
15–20 |
≤25 |
0.074–0.4 |
6.5–36 |
155 |
45 |
MQGØ2400×4500 |
2400×4500 |
21 |
30 |
≤25 |
0.074–0.4 |
8.5–60 |
320 |
65 |
MQGØ2700×4500 |
2700×4500 |
20.7 |
48 |
≤25 |
0.074–0.4 |
26–90 |
480 |
102 |
⚠️ Models & parameters can be customized.
🔹 Main Components
Liners (high-Mn steel / rubber / ceramic)
Grinding media (forged steel balls / high-chrome balls)
Girth gear + pinion + reducer + motor (VFD optional)
Bearing housings (rolling / hydrostatic trunnion bearings)
Lubrication system (oil mist / grease spray)
🔹 Packaging & Service
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Package: Nude main body + steel frame + plywood case for small parts / bearings / gears; suitable for 20'/40' GP or flat rack container shipping.
Warranty: 12 months on main frame against manufacturing defects
After-Sales: Installation & commissioning guide via video/manual; engineer dispatch available upon request
OEM/ODM: Custom voltage (380V/415V/440V), liner type, discharge mode, painting color & logo
Send Inquiry to This Supplier
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