| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a crushing device for varying the grain diameter of a material to be crushed by a means other than the variation of number of rotations of a crushing rotor and forming the material to be crushed of grain diameter within the range of desired rank by the arrangement. SOLUTION: A crushing device 1 is provided with a crushing rotor 11 for crushing a material to be crushed by the rotation set in a crushing chamber 10, and a plurality of introduction inlets for introducing the material to be crushed are provided in the crushing chamber 10, and an introduction inlet for introducing the material to be crushed is provided in the vicinity of a rotating outer peripheral zone 10a of the crushing rotor 11 in the crushing chamber 10, while an introduction inlet for introducing the material to be crushed is provided in the vicinity of a rotating central zone 10b of the crushing rotor 11.</p> |
