#### Research of iron ore grinding in a vertical-roller .

15.03.2015 · Two magnetite iron ores were comminuted with a pilot scale vertical-roller-mill. ... Hence, the circumferential speeds of roller and grinding table are the same at each contact point (Fig. 2b). Download : Download full-size image; Fig. 2. (a) LM4.5 test mill, (b) standard and shear-reduced roller geometry. The mill is part of a complete pilot scale grinding plant, which is equipped with ...

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