Netzsch offers pre-grinding unit

Netzsch has released its new PROPHI pre-grinding unit, which grinds coarse feed materials that’s difficult to handle in a standard mill.
The PROPHI 20 is a disc agitator bead mill modified for coarse grinding with excessive throughput and a grinding chamber volume of approx. 20 litres. In the peripheral speed vary of 8–12 m/s, a product throughput of up to 25 m³/h may be achieved with this machine measurement. The diameter of the grinding media used usually ranges from – mm.
During development of the pre-grinding unit, a disc agitator was chosen because the identical net power input yields nearly double the grinding chamber quantity than when using a pin agitator. This provides considerably extra grinding body contacts and a bigger cooling floor for grinding.
With เพรสเชอร์เกจ -grinding unit, the particle dimension distribution of a product may be adjusted in order that very small grinding media can be utilized within the subsequent fine-grinding stage. Tests have shown that course of management with the Netzsch PROPHI pre-grinding unit can cut back the particular vitality requirement by greater than 50% as in contrast with utilizing basic pre-dispersion systems.

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