Ball Mill

Ball Mill

The
mill is mainly composed of cylinder, liner, compartment board, bearing,
feeding and unloading device and transmission device.

The
material enters the cylinder body through the feeding part. The
grinding medium (steel ball/ceramic ball) in the cylinder body will
produce centrifugal force with the material along with the rotation of
the cylinder. When the material is raised to a certain height, it will
be thrown down according to the action of gravity, and the material will
be crushed under the impact of the grinding medium on the material. The
crushed material will be discharged from the machine through the
discharge port by the thrust of the feeding and flushing water, thus
completing the entire grinding process.

High Quality High Output And Low Consumption

In
the grinding process, how to achieve high quality, high output and low
consumption (power consumption per unit product, consumption of grinding
body and liner) is an important issue to be studied in the grinding
production process, and there are many influencing factors.

1.Particle size of the feeding material

In general medium-sized cement plants, the particle size of the grinding material is 8 ~ 10mm

2.Grindability

Under
possible conditions, the raw materials with good grainability should be
selected as far as possible, and the clinker with high C₃S content and
fast cooling speed should be produced. The clinker after proper aging
and cooling, and the CaO in the clinker will absorb water and become
Ca(OH)₂. The volume expansion in this conversion process can improve the
grainability of the clinker.

3.Temperature of grinding material

The
temperature of the grinding material should be controlled. According to
experience, it should be controlled below 50℃. The temperature of
grinding cement should be controlled below 110 ~ 120℃.

4.Water content of the grinding material:

The average moisture of the grinding material is generally controlled at about 1%.

5.Inside mill ventilation