The pilot scale ball mill used was nominally a half meter square aspect ratio laboratory mill. The mill is essentially a cylindrical shell with inner diameter of 435 mm which is fitted with six small 8 mm square belly lifters. The configuration used in the modelling is shown in Fig. 1.
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WhatsApp: +86 18838072829Shin et al. [25] investigated the effect of the ball size on the grinding efficiency in a laboratoryscale wet ball mill. Rhymer et al. [26] investigated the sliding friction coefficients and the ...
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WhatsApp: +86 18838072829The effect of ball size on the particle size reduction has been investigated first for varying rotation speed of the container. Percent passing and size distributions of the milled Al 2 O 3 powder are shown in Fig. 1, Fig. 2, respectively, as a function of particle size for varying ball average particle sizes (d 50) of the milled Al 2 O 3 powder are shown in Fig. 3 as a function of ...
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WhatsApp: +86 18838072829In this paper, a laboratoryscale ball mill is employed in investigating the impact of different operating variables on the impact behavior of lifter. The determinations of ball trajectory, impact force and power draw are used to characterize the impact behavior between the charge and lifter. The main research conclusions are summarized as follows.
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