Netzsch has released its new PROPHI pre-grinding unit, which grinds coarse feed materials that’s troublesome to deal with in a normal mill.
The PROPHI 20 is a disc agitator bead mill modified for coarse grinding with high throughput and a grinding chamber volume of approx. 20 litres. In the peripheral pace vary of 8–12 m/s, a product throughput of as much as 25 m³/h can be achieved with this machine size. The diameter of the grinding media used sometimes ranges from 2.0 –4.zero mm.
During improvement of the pre-grinding unit, a disc agitator was selected because the same web power input yields virtually double the grinding chamber volume than when utilizing a pin agitator. ราคาเพรสเชอร์เกจ gives significantly more grinding body contacts and a bigger cooling surface for grinding.
With a pre-grinding unit, the particle dimension distribution of a product can be adjusted in order that very small grinding media can be used within the subsequent fine-grinding stage. Tests have proven that process management with the Netzsch PROPHI pre-grinding unit can reduce the specific vitality requirement by greater than 50% as compared with utilizing classic pre-dispersion methods.
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