Application and characteristics of roller press

Roller press is a brittle material grinding mill equipment, mainly consist of the two same speed, and relative rotation roller. The material removes from the upper feed well of the roll and enters the gap between the rolls. With the 50-300MPa high-pressure grinding force, the material bed is squeezed, pressure material into a dense and full of cracks in the flat material.
The roller press is similar to the roller crusher, but the fundamental difference is that the pressure between the rollers is much greater than the latter, so the material processed by the roller press contains more fine powder than the roller crusher.

Compared to ball grinding mill, roller press has the following characteristics:

1. High grinding efficiency, increase production and energy conservation. In the ball mill material subject the pressure and shear, which is the combined effect these two forces. In the roller press, the material basically only sustain pressure.

2. Reduce steel consumption. Grinding cement, the mill produces a single wear of 300-1000g / t, using roller mill grinding system, the production of abrasion 0.5g / t, so it can meet the requirements of white cement grinding.

3. Low noise. Ball mill noise in more than 110dB, while the roller press is about 80dB.

4. Small size, quality, clear, small footprint, easy to install, or even the overall installation.

Because roller mills applied force is big, roller press have the problem of roller surface material loss and wear, easy to damage the bearing, reducer gear premature rupture and other issues. In addition to, the stringent requirements on the operation of the process, such as feeding the required material column dense, full, and maintain a certain feeding pressure, back to the appropriate amount of material control, grinding process system configuration requirements, or its superiority cannot be played . Roll up the machine is characterized by high pressure, slow speed, full material, material bed crushing.