The most durable mining ball mill used in the copper ore beneficiation plant
Introduction of ball mill for copper ore:
Ball mill grinds material by rotating a cylinder with steel grinding balls, causing the balls to fall back into
the cylinder and onto the material to be ground. The rotation is usually between 4 to 20 revolutions per
minute, depending upon the diameter of the mill. The larger the diameter, the slower the rotation. If the
peripheral speed of the mill is too great, it begins to act like a centrifuge and the balls do not fall back, but
stay on the perimeter of the mill. The point where the mill becomes a centrifuge is called the "Critical
Speed", and ball mills usually operate at 65% to 75% of the critical speed.
Copper ball mill Application:
Ball mill are generally used to grind material 1/4 inch and finer, down to the particle size of 20 to 75
microns. To achieve a reasonable efficiency with ball mills, they must be operated in a closed system, with
oversize material continuously being recirculated back into the mill to be reduced. Various classifiers, such
as screens, spiral classifiers, cyclones and air classifiers are used for classifying the discharge from ball
mills. Ball mill is an efficient tool for grinding many materials into fine powder. The ball mill is used to grind
many kinds of mine and other materials, or to select the mine. It is widely used in building material,
chemical industry, etc. There are two ways of grinding: the dry process and the wet process. It can be
divided into tabular type and flowing type according to different forms of discharging material.
Copper ball mill features:
1) It is an efficient tool for grinding many materials into fine powder.
2) The ball mill is used to grind many kinds of mine and other materials, or to select the mine
3) Ball mill is widely used in building material, and chemical industry.
4) There are two ways of grinding: the dry way and the wet way.
5) Ball mill can be divided into tabular type and flowing type according to different expelling mine
6) To use the ball mill, the material to be ground is loaded into the neoprene barrel that contains grinding
media.
7) As the barrel rotates, the material is crushed between the individual pieces of grinding media that mix
and crush the product into fine powder over a period of several hours.
8) The longer the ball mill runs, the finer the powder will be.
9) Ultimate particle size depends entirely on how hard the material you're grinding is, and the time how
long the ball mill runs.
Technical Data:
|
Model
|
Effective volume (m3) |
Max. steel ball load (t) |
Capacity (t/h) |
Power (kW) |
Rotary speed(rpm) |
Weight (t) |
||||
|
MQG |
MQY |
MQS |
MQG |
MQY |
MQS |
|||||
|
φ900×1800 |
1 |
1.3 |
1.7 |
2 |
0.9-1.6 |
1.7-3.2 |
2-3.7 |
15 |
37 |
4.2 |
|
φ900×2100 |
1.1 |
1.5 |
1.9 |
2.3 |
1-1.9 |
2-3.7 |
2.3-4.3 |
18.5 |
37 |
4.9 |
|
φ900×3000 |
1.6 |
2.2 |
2.8 |
3.3 |
1.4-2.7 |
2.9-5.4 |
3.3-6.2 |
30 |
37 |
7.6 |
|
φ1200×2400 |
2.4 |
3.3 |
4.1 |
4.9 |
2.2-4 |
4.3-8 |
5-9.2 |
30 |
35 |
8.7 |
|
φ1200×3000 |
3 |
4.1 |
5.2 |
6.2 |
2.7-5 |
5.4-10 |
6.2-12 |
37 |
35 |
13 |
|
φ1200×4500 |
4.4 |
6.2 |
7.7 |
9.3 |
4-7.5 |
8.1-15 |
9.3-17 |
55 |
35 |
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