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Grinding miller


1. Equably, and continuously feeding
2. Feeding size 0-650mm
3. Capacity of 80-600 t/hr
 

Introduction

Industrial grinding machine, a type of grinder, is a cylindrical device used for grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paints. It is a key piece of equipment for grinding crushed materials and widely used in the production lines for powders such as cement, silicates, refractory, fertilizer, glass ceramics, etc. There are two ways for the industrial grinding machine to grind materials ---- the dry way and the wet way. And according to the different expelling ways, this grinding miller can be devided into tabular type and flowing type.

 Working Principle of the Grinding Miller

Grinding miller

The grinding miller is a horizontal cylindrical rotation device with two chambers and grids, which is driven by the brim gearwheel. Through the feeding inlet and the hollow shaft, the material goes into the first chamber uniformly. In the first chamber, there are stage liners and ripple lines as well as the steel balls with various specifications. The centrifugal produced by the rotation of barrel takes the steel ball to a certain height, and then under gravity the ball drops down , thumps and grinds the materials. After the coarse grinding in the first chamber, the materials go into the second chamber through segregate screen. In the second chamber, there are flat liners and steel balls. The materials will get further grinding in the second chamber. At last, the materials will be discharged through the discharging screen.

Structural Characteristics of the Ball Grinding Mill

Grinding miller

Grinding miller

Grinding miller

This grinding miller is mainly composed of the feeding part, discharging part, rotation part and driving part (including gear box, small transmission gearwheel, motor and electric control device, etc). The hollow shaft is made of the cast steel, whose inner liner can be changed. The big rotation gearwheel is made by the processing of cast hobbling which has the wearable liners in the drum, so it has the good wear resistance.

Parameter

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 5.5
Ф900×3000 36 2.7 ≤20 0.075-0.89 1.1-3.5 22 6.7
Ф1200×2400 36 3 ≤25 0.075-0.6 1.5-4.8 30 12
Ф1200×3000 36 3.5 ≤25 0.074-0.4 1.6-5 37 12.8
Ф1200×4500 32.4 5 ≤25 0.074-0.4 1.6-5.8 55 13.8
Ф1500×3000 29.7 7.5 ≤25 0.074-0.4 2-5 75 16.8
Ф1500×4500 27 11 ≤25 0.074-0.4 3-6 110 21
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 29
Ф1830×4500 25.4 15 ≤25 0.074-0.4 4.5-12 155 35.5
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 34.8
Ф2100×4500 23.7 24 ≤25 0.074-0.4 8-43 245 42 
Ф2100×7000 23.7 26 ≤25 0.074-0.4 8-48 280 56.6
Ф2200×4500 21.5 27 ≤25 0.074-0.4 9-45 280 51.8
Ф2200×6500 21.7 35 ≤25 0.074-0.4 14-26 380 60
Ф2200×7000 21.7 35 ≤25 0.074-0.4 15-28 380 62
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 69
Ф2700×4000 20.7 40 ≤25 0.074-0.4 12-80 380 94
Ф2700×4500 20.7 48 ≤25 0.074-0.4 12-90 480 102
Ф3200×4500 18 65 ≤25 0.074-0.4 As per process conditions 630 137
Ф3600×4500 17 90 ≤25 0.074-0.4 As per process conditions 850 158
Ф3600×6000 17 110 ≤25 0.074-0.4 As per process conditions 1250 175
Ф3600×8500 18 131 ≤25 0.074-0.4 45.8-256 1800 252
Ф4000×5000 16.9 121 ≤25 0.074-0.4 45-208 1500 203
Ф4000×6000 16.9 146 ≤25 0.074-0.4 65-248 1600 218
Ф4000×6700 16.9 149 ≤25 0.074-0.4 45-252 1800 238
Ф4500×6400 15.6 172 ≤25 0.074-0.4 54-306 2000 280
Ф5030×6400 14.4 216 ≤25 0.074-0.4 68-386 2500 320
Ф5030×8300 14.4 266 ≤25 0.074-0.4 88-500 3300 403
Ф5500×8500 13.8 338 ≤25 0.074-0.4 108-615 4500 525

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