Ball Mill

PDFWORDArticle

Usage of Ball Mill:
Ball mill is the key equipment for grinding after the crushing process, which is widely used in the manufacture industries, such as cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics and ball mill can be used for the dry and wet grinding for all kinds of ores and other grind-able materials.

Working principle of ball mill:
This ball mill is a skeleton pattern ball mill with horizontal cylindrical turning gear, drive by outer gear and two hoppers. The material goes to the first hopper after the spiraling by the quill shaft from the feeding equipment. The hopper has ladder sheathing or corrugated sheathing with steel balls inside, which will fall under the effect of centrifugal force by barrel turning to ram hard and grind material. After the kibbling in the first hopper, by monolayer partition panel, the material will enter the second hopper, which has plane scale board with steel ball inside to grind material. The powder material will be discharged from the grid plate to finish the grinding.

Structure of ball mill:
The ball mill is composed by feeding part, discharging part, turning part and driving part (reducer, small driving gear, electric motor and electric control). The quill shaft adopts cast steel part and the liner is detachable. The turning gearwheel adopts casting hobbing process and the drum is equipped with wear-resistant liner, which has good wear-resistance. The machine is with stable and reliable working condition. Moreover, according to different materials and discharging methods, there are dry ball mills and wet ball mill for choice.

Specifications of Ball Mill :

Model Speed of bucket (r/min) Weight of ball (t) Size of feed opening (mm) size of outputting feed (mm) Production (t/h) Power (kW) Weight (t)
Ф900×1800 38 1.5 ≤20 0.075-0.89 0.65-2 18.5 3.6
Ф900×3000 38 2.7 ≤20 0.075-0.89 1.1-3.5 22 4.6
Ф1200×2400 32 3.8 ≤25 0.075-0.6 1.5-4.8 45 12.5
Ф1200×3000 32 5 ≤25 0.075-0.4 1.6-5 45 12.8
Ф1200×4500 32 7 ≤25 0.075-0.4 1.6-5.8 55 13.8
Ф1500×3000 27 8 ≤25 0.075-0.4 2-5 90 17
Ф1500×4500 27 14 ≤25 0.075-0.4 3-6 110 21
Ф1500×5700 27 15 ≤25 0.075-0.4 3.5-6 132 24.7
Ф1830×3000 24 11 ≤25 0.075-0.4 4-10 180 28
Ф1830×6400 24 23 ≤25 0.075-0.4 6.5-15 210 34
Ф1830×7000 24 25 ≤25 0.075-0.4 7.5-17 245 36
Ф2200×5500 21 30 ≤25 0.075-0.4 10-22 370 48.5
Ф2200×6500 21 30 ≤25 0.075-0.4 14-26 280 52.8
Ф2200×7500 21 33 ≤25 0.075-0.4 16-29 380 56
Φ2200×9500 21 38 ≤25 0.074-0.4 18-35 475 62