Applied Materials: Gold ore, iron ore, copper ore, manganese ore, rock phosphate, limestone, cement clinker, potassium feldspar, quartz, coal, ceramics, etc.
Applications of Ball Mill
Ball mill is extensively used in the production of cement, silicate, refractory materials,
chemical products, black and nonferrous metal ore dressing, glass ceramics and other industrial products. In recent years, it is also used for artificial sand making in new building materials
production.
All kinds of ore and other grindable materials process can be completed by ball mill for dry or wet grinding. Grinding of ball mill meets the high requirements for uniformity pf discharged
products.
There are some examples of various ball mills used in different industrial fields.
1. Cement ball mill
Cement ball mill is also shortened as cement mill. It is the main equipment in cement industry with high grinding efficiency, capacity and low energy consumption. Cement mill has superiority in
grinding slag cement.
2. Coal ball mill
Coal ball mill is also one kind of ball mill that used to mill raw coal. Usually, to be simplified, we call it coal mill. To improve the burning efficiency, coal need to be ground by coal mill and
then used in the pulverized coal-fired boiler. And to prevent casting from burning on or to decrease the surface roughness, high-quality coal dust produced by coal mill is added in the iron casting
process.
Technical Benefits of Ball Mill
Main bearing performs well
The traditional sliding bearing is replaced by large-diameter double-row adjustable roller bearing. This has reduced friction and lowered the energy consumption. It is easier to start the ball
mill.
Simple structure and stable operation
There are two kinds of feeding device, combined feeder and drum-shaped feeder. They are installed separately, which is structured simpler. That there is no inertia impact makes ball mill perform
more stable and has reduced the maintenance time as well as improved the efficiency.
High anti-bending strength of gears
Profile shifted gear is adopted by the new type of ball mill to avoid undercutting. And the anti-bending strength is improved greatly by over one time.
Long bearing life
The hollow shaft diameter of ball mill rolling bearing is enlarged, which increases the radial distance between the rolling bearing and the feeding and discharging screw barrel. This plays a
certain role of heat insulation and cooling and extends the service life of the bearing.
How does a Ball Mill Work?
1. The material uniformly enters the first chamber of the ball mill by the feeding device through the hollow shaft. The chamber has stepped lining or corrugated lining, which is filled with steel
balls of different specifications.
2. Then the rotation of the grinding cylinder generates centrifugal force to bring the grinding media to a certain height. After falling, they hit and grind the material.
3. When the material is coarsely ground in the first warehouse, it enters the second warehouse through a single-layer compartment board. This warehouse is provided with a flat lining plate with
steel balls inside to further grind the material.
4. The powder is discharged through the discharge raft to complete the grinding operation.
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