Netzsch provides pre-grinding unit

Netzsch has launched its new PROPHI pre-grinding unit, which grinds coarse feed material that is difficult to deal with in a regular 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 range of 8–12 m/s, a product throughput of up to 25 m³/h could be achieved with this machine measurement. The diameter of the grinding media used typically ranges from – mm.
During เพรสเชอร์เกจดิจิตอล of the pre-grinding unit, a disc agitator was selected as a end result of the identical web power enter yields almost double the grinding chamber volume than when using a pin agitator. This provides significantly extra grinding body contacts and a larger cooling floor for grinding.
With a pre-grinding unit, the particle size distribution of a product may be adjusted so that very small grinding media can be used within the subsequent fine-grinding stage. Tests have shown that course of management with the Netzsch PROPHI pre-grinding unit can reduce the particular vitality requirement by greater than 50% as in contrast with utilizing classic pre-dispersion techniques.

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