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Slag Mill

Application Cement Plant, Slag Grinding Plant, Steel Mill
Capacity 11-78 t/h
Motor Power 95-4500 kW
Fineness 3800-4000 cm²/g

Overview

Our GGBS ball mill is a key grinding machine mainly used to process materials by crushing process, and it is widely used in various manufacture industries, like cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics. In addition, the slag mill can also be used in dry and wet grinding for all kinds of ores and other materials.

Features
1. Low investment cost
2. Low run cost
3. High drying ability
4. Easy to operate, reliable performance
5. Stable quality
6. Convenient to maintain
7. Environmental protection

Ball Mill Working Principle

Center drive and side drive are two common drive modes for a ball mill. Center drive grinding mill means the motor shaft extends along the axis of mill body while side drive has a motor located on the side of the mill and torque is transmitted via the girth gear which is bolted on the flange of the mill body.

Materials are fed into the mill at a fixed flow rate along the shaft-less screw of the screw conveyor. Once inside the first compartment of the drum, the motor is activated and rotates the drum via a gearbox.

As rotation continues, steel balls inside the drum compartment are lifted up as high as centrifugal force and friction take them before falling back down on the materials.

During this process, a large crushing force acts on the materials, grinding them to finer sizes. The finely ground particles move out of the drum via a classifier. Coarse particles are returned to the mill for further grinding, which forms a so-called closed circuit.

Structure
1. Classifying liners are used to keep larger steel balls at the feed end for breaking large particles, and retain smaller steel balls at the discharge end for fine grinding. This grinding method improves efficiency.
2. True to its name, these wear-resistant liners resist severe wear.
3. Double slide shoe bearings are used to prevent the discharge end from overheating, thus ensuring operational stability and continuity.
4. Simple structure allows for ease of operation. Great adaptability enables the grinder to produce any fineness of particles in a short time.
5. Advanced diaphragm is used as a partition wall between two drum compartments. Unique grating system at the discharge end ensures only the finely ground particles can leave the drum.
6. Rubber gaskets and sealing adhesive are applied to the in-between area of slide shoe bearing housing and bearing pedestal. Strengthened seal makes certain there is oil leakage during use.

Specifications

Model (m) Cylinder Diameter (mm) Cylinder Length (mm) Effective Volume (m³) Rotate Speed (r/min) Grinding Media Weight (t) Motor (kW) Weigth (t)
MQY15×30 1500 3000 5 26.6 9 95 18.5
MQY15×36 1500 3600 5.7 26.6 10.6 95 17.22
MQY21×30 2100 3000 9.4 22 15 200 45
MQY24×30 2400 3000 12.2 21 22.5 250 55
MQY24×60 2400 6000 22.8 20.7 43 400 65
MQY27×36 2700 3600 18.5 20.5 39 400 61.34
MQY27×45 2700 4500 23.5 20.5 43.5 500 76
MQY28×80 2800 8000 43 20 78.6 800 115
MQY32×36 3200 3600 26.3 18.3 48.4 500 116.94
MQY32×45 3200 4500 32.9 18.3 60.5 630 124.23
MQY32×75 3200 7500 55.5 18.3 102 1250 154
MQY34×45 3400 4500 37 18.4 74.6 800 129.8
MQY34×56 3400 5600 45.8 17.9 84.3 1120  
MQY36×50 3600 5000 46.7 17.5 85.96 1250 150
MQY36×60 3600 6000 54 17.3 102 1250 162.7
MQY36×85 3600 8500 79 17.4 131 1800 235
MQY36×90 3600 9000 83.5 17.4 138 1800 286
MQY40×60 4000 6000 69.8 16 126 1500 203.5
MQY40×135 4000 13500 155 16 233 3300 343
MQY43×61 4270 6100 80 15.67 144 1750 215.3
MQY50×64 5030 6408 120 14.4 251 2600 318.5
MQY55×65 5500 6500 143.3 13.8 264 3400 451.5
MQY55×85 5500 8500 187.4 13.8 335 4500  
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