Ball mill grinding machine for rock ore powder making
Ball mill is a key equipment for grinding materials into fine
powder after primary crushing. It is widely used in mineral
processing, building materials, chemical industry and other
industries. It uses steel balls as grinding media, and completes
the fine grinding of materials through mutual impact grinding
between steel balls and materials. According to different grinding
methods, it can be divided into dry type and wet type; according to
different discharge methods, it can be divided into grid type and
drop type.
Working princple
The motor of the ball mill drives the reducer, the reducer drives
the pinion, the pinion drives the large gear, and the large gear
drives the rotating body to rotate. The material enters from the
feed port and is ground into powder by the impact of the steel ball
and the ore and the self-grinding action. The discharge port (at
the large gear) is equipped with a grate for filtering. Due to
continuous feeding, the pressure pushes the material to the
discharge port, and small particles are discharged from the grate
to the discharge port, while large particles continue to grind. The
slurry surface in the cylinder is low, which reduces the
over-grinding of the ore and prevents the steel ball from falling
out. Under the same production conditions, the production capacity
of the grate mill is greater than that of the overflow mill.
Rolling bearings are used at both ends of the cylinder instead of
sliding bearings, which is more energy-saving.
Advantages
Wide range of applicable materials: The ball mills can process more than 100 different mineral raw
materials. It can be operated dry or wet, and can also be dried and
ground at the same time. While grinding, the materials are mixed,
stirred, and homogenized (separate grinding technology, "blending"
cement).
Large crushing ratio: Compared with other grinding equipment, the ball mill has a higher
crushing ratio and can grind materials to finer particle sizes.
Strong production capacity: By adjusting the discharge mouth, the ball mill can grind
materials with different fineness requirements to meet different
production needs.
Easy maintenance: The ball mill is made of wear-resistant materials and has a long
service life. At the same time, its maintenance process is
relatively simple, which saves a lot of time and cost for the
enterprise.
Energy saving and environmental protection: Equipped with advanced dust removal and noise reduction equipment,
the ball mill reduces environmental pollution while also improving
production efficiency.
Specification
| Model | Rotation speed (r/m) | Grind media (ton) | Feed size (mm) | Discharge size (mm) | Capacity (t/h) | Motor (KW) | Weight (ton) |
900x1200 | 36 | 1.0 | 0-25 | 0.074-0.4 | 0.5-1.5 | 18.5 | 4 |
| 900x1800 | 36 | 1.5 | 0-25 | 0.074-0.4 | 0.5-2 | 22 | 4.8 |
| 900x2100 | 38 | 1.5 | 0-25 | 0.074-0.4 | 0.5-2 | 22 | 4.8 |
| 900x2400 | 38 | 1.8 | 0-25 | 0.074-0.4 | 0.7-2.8 | 22 | 4.8 |
| 900x3000 | 38 | 2.5 | 0-25 | 0.074-0.4 | 0.8-3.5 | 30 | 5.0 |
| 1200x2400 | 32 | 3.8 | 0-25 | 0.074-0.4 | 0.9-4.8 | 30 | 9.2 |
| 1200x3000 | 32 | 4.5 | 0-25 | 0.074-0.4 | 1.2-5.6 | 37 | 11.5 |
| 1200x4500 | 30 | 5.5 | 0-25 | 0.074-0.4 | 1.5-6.0 | 55 | 13.6 |
| 1500x3000 | 27 | 7.0 | 0-25 | 0.074-0.4 | 2.5-6.5 | 75 | 15.0 |
| 1500x3500 | 27 | 8.5 | 0-25 | 0.074-0.4 | 3.0-8.2 | 75 | 15.6 |
| 1500x4500 | 27 | 11 | 0-25 | 0.074-0.4 | 4-10 | 95 | 21.0 |
| 1500x5700 | 27 | 12 | 0-25 | 0.074-0.4 | 4-13 | 110 | 23.5 |
| 1830x3000 | 24 | 12 | 0-25 | 0.074-0.4 | 5-15 | 130 | 31.0 |
| 1830x3600 | 24 | 13 | 0-25 | 0.074-0.4 | 5-16 | 130 | 32.0 |
| 1830x4500 | 24 | 14 | 0-25 | 0.074-0.4 | 5-18 | 155 | 33.5 |
| 1830x7000 | 24 | 21 | 0-25 | 0.074-0.4 | 6-20 | 210 | 36.0 |
| 2100x3000 | 24 | 18 | 0-25 | 0.074-0.4 | 7-26 | 210 | 38.0 |
| 2100x3600 | 24 | 21 | 0-25 | 0.074-0.4 | 7-35 | 215 | 39.5 |
| 2100x4500 | 24 | 26 | 0-25 | 0.074-0.4 | 8-42 | 245 | 43.5 |
| 2400x3000 | 21 | 23 | 0-25 | 0.074-0.4 | 8-60 | 285 | 55.0 |
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