Netzsch provides pre-grinding unit

Netzsch has launched 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 quantity of approx. 20 litres. In the peripheral pace range of 8–12 m/s, a product throughput of up to 25 m³/h can be achieved with this machine measurement. ตัววัดแรงดัน of the grinding media used sometimes ranges from – mm.
During development of the pre-grinding unit, a disc agitator was chosen as a outcome of the identical internet power enter yields virtually double the grinding chamber quantity than when utilizing a pin agitator. This gives considerably more grinding physique contacts and a larger cooling floor for grinding.
With a pre-grinding unit, the particle size distribution of a product could be adjusted so that very small grinding media can be utilized within the subsequent fine-grinding stage. Tests have shown that course of control with the Netzsch PROPHI pre-grinding unit can scale back the particular vitality requirement by more than 50% as in contrast with utilizing classic pre-dispersion methods.

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