| 摘要 |
PROBLEM TO BE SOLVED: To provide an impeller for separation device, which is capable of supplying a separation object smoothly and preventing the entanglement of refuse to the rotary shaft of the impeller. SOLUTION: In the impeller 4 for separation device having a plurality of crushing blades 22, 23 for crushing the separation object Z, which is fixed to the rotary shaft 21 and held freely rotatably in a drum 3 of the separation device 1, the 1st crushing blade 23 formed so that one side of the side end face is orthogonal to the rotary shaft 21, and the 2nd crushing blade 22 formed so that one side of the side end surface present in the same side as the one side of the side end surface of the 1st crushing blade 23 is inclined toward another side of the side end surface ranging from the fixed part of the rotary shaft 21 to the tip part, are arranged as a plurality of crushing blades and are fixed to the rotary shaft 21 to be adjacent to each other in the rotating direction.
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