Incorporated into the standard configuration of the Loesche vertical roller mill, the grit extraction system makes it possible to produce not only fine products (< 100 µm) but also a further product (> 100 µm) simultaneously. In order to quantify the mass flows and particle-size distributions in the fine product and the grit, Loesche has conducted test measurements in co-operation with the following limestone-processing companies:
• Karl Kraft Steinwerke in Heidenheim/Germany
• Kilwaughter Chemical Co. Ltd in Larne/Ireland
The tests performed in these two plants demonstrate the...