บทความ เกจวัดแรงดัน

Netzsch presents pre-grinding unit

เกจวัดแรงดันลมขนาดเล็ก has launched its new PROPHI pre-grinding unit, which grinds coarse feed material that’s tough to deal with in a normal mill.
The PROPHI 20 is a disc agitator bead mill modified for coarse grinding with high throughput and a grinding chamber quantity of approx. 20 litres. In the peripheral speed vary 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 typically ranges from – mm.
During improvement of the pre-grinding unit, a disc agitator was selected as a outcome of the identical web energy enter yields nearly double the grinding chamber volume than when utilizing a pin agitator. This provides considerably more grinding body 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 used within the subsequent fine-grinding stage. Tests have shown that course of control 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 techniques.

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