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Raw materials mill is the vital equipment used for further crushing materials after they are crushed and mixed by crusher equipment. It is mainly used for the powder grinding of raw materials in cement plant, and also used for grinding all kinds of ores and other grindable materials in such industrial and mining enterprises as metallurgy, chemistry and power.
Inside the cylinder, new type of segregating lining boards and standard ladder-type lining board are adopted, which increases the grinding superficial area of the materials, improves the classification effect and makes the follow-up maintenance and change of the spare parts simpler. The new type of partition cabin structure adopts adjustable lifting board and fixed lifting board, which is easy to install and maintain.
Raw material mill adopts edge driving method. After the materials to be ground evenly and continuously go inside the raw materials through the feeder machine, the electric motor will drives the cylinder of the powder grinding mill to rotate through the reducer. The materials first go inside the first cabin along the hollow shaft spiral, and the steel ball media inside the mill and the materials will sustain the frictional force and centrifugal forces produced by the rotation of the cylinder. And the materials will be brought to a certain height, and then scatter and fall down in a curtain shape and then will be impacted and ground by the steel balls. The crushed final products will be discharged out of the powder grinding mill and the qualified products will be separated out by the separation equipment. In the circulation grinding system, the unqualified materials will be returned to the powder grinding mill to be impacted and ground by the grinding media until they reach the qualified fineness.
Product specification (m) |
Milling form | Transmission form | Gear box | Motor power (kw) |
Production capacity (t/h) |
Total weight (t) |
|
Model | Speed reduction ratio | ||||||
Φ1.5×5.7 | Open flow | Brim | ZD40 | 3.55 | 130 | 4.5-6 | 25.8 |
Φ1.8×6.4 | Open flow | Brim | ZD60 | 4.5 | 210 | 7.5-15 | 43 |
Φ2.2×6.5 | Circle flow | Brim | ZD70 | 5 | 380 | 14-26 | 60 |
Φ2.4×7 | Circle flow | Brim | ZD70 | 5 | 475 | 24-28 | 81 |
Φ2.4×10 | Circle flow | Brim | ZD80-4-LL | 6.44 | 570 | 32-36 | 118 |
Φ2.6×10 | Circle flow | Brim | JDX710 | 6.3 | 800 | 45-50 | 130 |
Φ3×9 | Open flow | Brim | JDX800 | 6.3 | 1000 | 55-60 | 158 |
Φ3.2×9 | Circle flow | Brim | MBY900 | 7.1 | 1250 | 62-65 | 195 |
Φ3.5×10 | Open flow | Brim | JDX900 | 5.84 | 1250 | 70-75 | 200 |
Φ3.8×7.5 | Circle flow | Brim | JDX900 | 5.6 | 1600 | 80 | 233 |
Φ4.6×10+3.5 | Circle flow | Central shaft | JQS3550 | 15.1 | 3550 | 190 | 415 |
Φ4.6×10.5+3.5 | Circle flow | Central shaft | JQS3550 | 15.1 | 3550 | 210 | 476 |