Netzsch offers pre-grinding unit

ไดอะแฟรม ซีล has launched 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 quantity of approx. 20 litres. In the peripheral velocity vary of 8–12 m/s, a product throughput of as much as 25 m³/h can be achieved with this machine dimension. The diameter of the grinding media used sometimes ranges from – mm.
During growth of the pre-grinding unit, a disc agitator was chosen as a result of the same web power input yields almost double the grinding chamber quantity than when utilizing a pin agitator. This gives considerably extra grinding body contacts and a larger cooling surface for grinding.
With a pre-grinding unit, the particle dimension distribution of a product may be adjusted in order that very small grinding media can be utilized in the subsequent fine-grinding stage. diaphragm seal have proven that process management with the Netzsch PROPHI pre-grinding unit can reduce the precise vitality requirement by greater than 50% as in contrast with using traditional pre-dispersion methods.

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