Dry Ball Mill
The dry ball mill is generally used togrind material 1/4 inch and finer, down to the particle size of 20 to 75microns. To achieve a reasonable efficiency with dry ball mills, they must beoperated in a closed system, with oversize material continuously being recirculated back into the millto be reduced. Various classifiers, such as screens, spiral classifiers,cyclones and air classifiers are used for classifying the discharge from dryball mills.
Applications of the Dry Ball Mill
The dry ball mill is an efficient tool for grindingmany materials into fine powder. The dry ball mill is used to grind many kindsof mine and other materials, or to select the mine. It is used in buildingmaterial, chemical industry, etc. There are two ways of grinding: the dryprocess and the wet process. The dry ball mill can be divided into tabular typeand flowing type according to different forms of discharging material.
Technical Specifications of the Dry BallMill
Model | Speed of Bucket (r/min) | Weight of Ball | Size of Feed Opening (mm) | Size of Outputting Feed (mm) | Production (t/h) | Power (kw) | Weight (T) |
900 × 1800 | 38 | 1.5 | ≤ 20 | 0.075-0.89 | 0.65-2 | 18.5 | 3.6 |
900 × 3000 | 38 | 2.7 | ≤ 20 | 0.075-0.89 | 1.1-3.5 | 22 | 4.6 |
1200 × 2400 | 32 | 3.8 | ≤ 25 | 0.075-0.6 | 1.5-4.8 | 45 | 12.5 |
1200 × 3000 | 32 | 5 | ≤ 25 | 0.075-0.4 | 1.6-5 | 45 | 12.8 |
1200 × 4500 | 32 | 7 | ≤ 25 | 0.075-0.4 | 1.6-5.8 | 55 | 13.8 |
1500 × 3000 | 27 | 8 | ≤ 25 | 0.075-0.4 | 2-5 | 90 | 17 |
1500 × 4500 | 27 | 14 | ≤ 25 | 0.075-0.4 | 3-6 | 110 | 21 |
1500 × 5700 | 27 | 15 | ≤ 25 | 0.075-0.4 | 3.5-6 | 132 | 24.7 |
1830 × 3000 | 24 | 11 | ≤ 25 | 0.075-0.4 | 4-10 | 180 | 28 |
1830 × 6400 | 24 | 23 | ≤ 25 | 0.075-0.4 | 6.5-15 | 210 | 34 |
1830 × 7000 | 24 | 25 | ≤ 25 | 0.075-0.4 | 7.5-17 | 245 | 36 |
2200 × 5500 | 21 | 30 | ≤ 25 | 0.075-0.4 | 10-22 | 370 | 48.5 |
2200 × 6500 | 21 | 30 | ≤ 25 | 0.075-0.4 | 14-26 | 280 | 52.8 |
2200 × 7500 | 21 | 33 | ≤ 25 | 0.075-0.4 | 16-29 | 475 | 56 |
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