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Dry Ball Mill

Dry Ball Mill

dry ball mill with good fine-grinding effect and flexible configuration, meanwhile the quality of raw will not be destroying .click for full details

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dry ball mill machine is usually used in some minerals afraid of water for fine grinding such as cement, silicate and other materials, there are also some areas where they have to use dry ball mill because of the drought or water inconvenience. When the dry ball mill works, the material is discharged by ventilation mode or natural material discharging way, the suitable feed granularity is about 6 mm.Dry ball mill is designed with the horizontal cylindrical rotating device, the outer gear transmission, two grate-type warehouses, the grindable materials entering ball mill's cavity are ground in dry type. The main bearing of dry ball mill is designed with double-sided aligning spherical roller bearing, which greatly reduces the energy consumption, besides the engine body and chassis of ball mill grinder are overall structure, they can be placed at once during installation.But the feeding material cannot be high moisture, otherwise, the material will bond together with poor discharge.

Characteristic 

Simple structure and flexible configuration; Dry ball mill can be used for grinding clinker and gypsum in the grinding chamber,after that directly sent into the finished-parts storage. It's also applied to the circular grinding system composed with powder selecting machine, cement fineness can get good control.

Good fine-grinding effect, high production efficiency; Dry ball mill machine has the characteristics of strong adaptability to material, continuous production, easy adjustment of product's fineness.

Large capacity; The dry ball mill retains end cover structure form of ordinary mill, its large diameter inlet and outlet increase handling capacity.

Dry Ball Mill VS Wet Ball Mill

 

Dry ball mill

Wet ball mill

Applicable Materials

Avoid water mineral, such as: cement

Most of the wettable minerals such as: gold ore, copper ore, etc.

Structural Property

The outlet is a straight-shape drum. It also has wind-leading and dust removal device.

It has trumpet-shaped outlet and built-in screw device, which is convenient for discharging.

Investment Prospect

Dry ball mill must be equipped with a set of wind system, needing more auxiliary equipment.

Less auxiliary equipment, material transportation device is simple, so its investment is lower than dry ball mill.

Working Pattern

Can not add water, the materials are only suitable for the external cooling, it is more used for cement grinding production line.

Can add water during the grinding process, it's more suitable for mine ore dressing operation.

Energy Consumption

It has high requirement in the water content of the material, needing more auxiliary equipment, so the energy consumption is higher than the wet ball mill.

Wet ball mill has low requirement for working environment, easy maintenance with low energy consumption.

Technical data

Model Shell rotation speed
(r/min)
Ball load
(t)
Feeding size
(mm)
Discharging size
(mm)
Capacity
(t/h)
Motor power
(kw)
Total weight
(t)
Ф900×1800 36-38 1.5 ≤20 0.075-0.89 0.65-2 18.5 5.85
Ф900×3000 36 2.7 ≤20 0.075-0.89 1.1-3.5 22 6.98
Ф1200×2400 36 3 ≤25 0.075-0.6 1.5-4.8 30 13.6
Ф1200×3000 36 3.5 ≤25 0.074-0.4 1.6-5 37 14.3
Ф1200×4500 32.4 5 ≤25 0.074-0.4 1.6-5.8 55 15.6
Ф1500×3000 29.7 7.5 ≤25 0.074-0.4 2-5 75 19.5
Ф1500×4500 27 11 ≤25 0.074-0.4 3-6 110 22
Ф1500×5700 28 12 ≤25 0.074-0.4 3.5-6 130 25.8
Ф1830×3000 25.4 11 ≤25 0.074-0.4 4-10 130 34.5
Ф1830×4500 25.4 15 ≤25 0.074-0.4 4.5-12 155 38
Ф1830×6400 24.1 21 ≤25 0.074-0.4 6.5-15 210 43
Ф1830×7000 24.1 23 ≤25 0.074-0.4 7.5-17 245 43.8
Ф2100×3000 23.7 15 ≤25 0.074-0.4 6.5-36 155 45
Ф2100×4500 23.7 24 ≤25 0.074-0.4 8-43 245 56
Ф2100×7000 23.7 26 ≤25 0.074-0.4 12-48 280 59.5
Ф2200×4500 21.5 27 ≤25 0.074-0.4 9-45 280 54.5
Ф2200×6500 21.7 35 ≤25 0.074-0.4 14-26 380 61
Ф2200×7000 21.7 35 ≤25 0.074-0.4 15-28 380 62.5
Ф2200×7500 21.7 35 ≤25 0.074-0.4 15-30 380 64.8
Ф2400×3000 21 23 ≤25 0.074-0.4 7-50 245 58
Ф2400×4500 21 30 ≤25 0.074-0.4 8.5-60 320 72
Ф2700×4000 20.7 40 ≤25 0.074-0.4 22-80 380 95
Ф2700×4500 20.7 48 ≤25 0.074-0.4 26-90 480 102
Ф3200×4500 18 65 ≤25 0.074-0.4 As per process conditions 630 149
Ф3600×4500 17 90 ≤25 0.074-0.4 As per process conditions 850 169
Ф3600×6000 17 110 ≤25 0.074-0.4 As per process conditions 1250 198
Ф3600×8500 18 131 ≤25 0.074-0.4 45.8-256 1800 260
Ф4000×5000 16.9 121 ≤25 0.074-0.4 45-208 1500 230
Ф4000×6000 16.9 146 ≤25 0.074-0.4 65-248 1600 242
Ф4000×6700 16.9 149 ≤25 0.074-0.4 75-252 1800 249
Ф4500×6400 15.6 172 ≤25 0.074-0.4 84-306 2000 280
Ф5030×6400 14.4 216 ≤25 0.074-0.4 98-386 2500 320
Ф5030×8300 14.4 266 ≤25 0.074-0.4 118-500 3300 403
Ф5500×8500 13.8 338 ≤25 0.074-0.4 148-615 4500 525

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