PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants. It can be described as obbligato machine in mining, building construction,…
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Chat NowThe roll speed must be sufficient to prevent stalling, but not so fast that the coal is violently thrown out of the mill. Roll crushers most commonly have either one or two rolls, as shown in Fig. 9.3 ( Meyers, 1981 ; Jeffrey, 2011; McLanahan, 2011 ); Stedman, 2011 ), although some may use three or even four rolls in a two-stage crushing system
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