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Dry ball mill
Dry ball mill is the key equipment for crushing materials after they are broken. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal mineral processing and glass ceramics and other production industries.
Specification Model: Φ1.83×7-Φ4.2×13 (some models, can be customized)
Capacity: 6.5-87 (t/h)
Applicable materials: steel slag, white ash, gold ore, iron ore, quartz, bauxite, bluestone, kaolin, spodumene, mica, calcite, magnesite, fluorite, barite, potassium feldspar, tungsten carbide, barite, clinker, slag, bauxite, etc.
Dry ball mill product introduction
The production process of the dry ball mill does not need to add water, it is a straight barrel, and it is equipped with an air inducer, a dust exhaust pipe and a dust collector. Our company can separately design and manufacture other models and specifications of ball mills according to user requirements, but also according to the user's ore samples and production and particle size requirements, through grinding experiments and calculations, determine the appropriate specification form, design a new dry ball mill, so that it is strong grinding function, and ensure the production and particle size requirements.
Product advantage
1, can be used for open flow grinding, but also suitable for circulation flow grinding composed of powder separator.
2, the dry ball mill has the characteristics of strong adaptability to the material, continuous production, easy speed grinding product fineness, etc.
3. The water fed into the material by the dry ball mill can not be high, otherwise the material will be bonded and the material will not be discharged smoothly.
4. The discharge port of the dry ball mill is straight barrel, and there is also an air inducer to exhaust dust.
Working principle
Dry ball mill is a horizontal cylindrical rotary device, driven along the outer gear, two bins, grid type ball mill. The material is uniformly fed into a bin of the mill by the feeding device through the feeding hollow shaft. There are stepped lining plates or corrugated lining plates in the bin, and steel balls of different specifications are installed inside. The centrifugal force generated by the rotation of the cylinder will bring the steel balls to a certain height and then fall down, which will have a pounding and grinding effect on the material. After the material is coarse ground in the first bin, it enters the second bin through the single compartment plate, which is inlaid with a flat liner plate and contains a steel ball to further grind the material. The powder is discharged through the discharge grate to complete the grinding operation.
Technical parameter
| Specifications (m) | Mill form | Transmission form | Reduction gear | Motor power (kw) | Production capacity (t/h) | Weight (t) | |
| Model number | Speed ratio | ||||||
| φ1.83×7 | Open flow | Edge | ZD60 | 4.5 | 245 | 6.5-8 | 36 |
| φ2.2×7.5 | Coil flow | Edge | ZD70 | 5 | 380 | 8-10 | 56 |
| φ2.2×11 | Open flow | Centre | D110 | 35.5 | 630 | 12-13 | 104.6 |
| φ2.2×13 | Open flow | Centre | D110 | 35.5 | 630 | 16-18 | 114 |
| φ2.4×13 | Open flow | Centre | D110 | 35.5 | 800 | 20-23 | 171.5 |
| φ2.6×13 | Open flow | Centre | MFY100 | 19.5 | 1000 | 28-32 | 149.7 |
| φ3×9 | Coil flow | Edge | D125 | 41.2 | 1000 | 28-36.5 | 136.4 |
| φ3×11 | Coil flow | Centre | D140 | 42.8 | 1250 | 36-47 | 180 |
| φ3.2×13 | Open flow | Centre | D140 | 36.5 | 1600 | 45-50 | 198 |
| φ3.8×13 | Open flow | Centre | MFY250 | 16.5 | 2500 | 60-62 | 204 |
| φ4.2×13 | Open flow | Centre | JQS3550 | 15.6 | 3530 | 85-87 | 254 |





