| 摘要 |
A rotating disk 20 that rotates in the horizontal direction is provided inside an abrasive tank 10 , with a gap 3 being capable to rotate the rotating disk 20 , being formed at one end 11 a of a mixed fluid flow path 11 arranged on one surface of the rotating disk 20 , and at one end 12 a of a gas flow path 12 arranged facing other surface of the rotating disk 20 via the rotating disk 20 at one end of the mixed fluid flow path 11 . Hole sections 21 are provided in the rotating disk 20 on a rotation locus passing through the gap 3 , equally spaced and passing through in a thickness direction of the rotating disk 20 , with stirrer blades 22 protruding from the upper surface of the rotating disk 20 , and the rotating disk 20 being immersed in abrasive stored inside the abrasive tank 10 , except for a part positioned in the gap 3.
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