Netzsch offers pre-grinding unit

Netzsch has released its new PROPHI pre-grinding unit, which grinds coarse feed material that’s troublesome to deal with 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 range of 8–12 m/s, a product throughput of as a lot as 25 m³/h may be achieved with this machine size. The diameter of the grinding media used usually ranges from – mm.
During เกจวัดแรงดันน้ำดิจิตอล of the pre-grinding unit, a disc agitator was selected as a end result of the same web power enter yields almost double the grinding chamber quantity than when utilizing a pin agitator. This offers significantly more grinding physique contacts and a bigger cooling surface for grinding.
With a pre-grinding unit, the particle dimension 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 scale back the specific vitality requirement by greater than 50% as compared with utilizing traditional pre-dispersion methods.

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