FIELD: process engineering.
SUBSTANCE: invention relates to roller mills and can be used for power-saving production of grain fodder. This crusher comprises drive, rolls articulated with said drive to shift relative to each other, feed bin with adjusting shutter, feed roller with grooves in number making at least twelve and cleaning blades. Bin opening width equals the crushing roller length while height is varied by said adjusting shutter. Feed roller diameter Df and that of crushing roller Do relate as Df ≥ 0.4Do. Note here that feed roller rpm nf depending on crushing roller rpm makes nf ≥ n0.
EFFECT: higher efficiency.
1 dwg
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