STIRRING DEVICE AND STIRRING BLADE

Japanese Patent JP2023175159

A

To provide a stirring device and a stirring blade that can effectively miniaturize fluid and particles in fluid with ultrasonic waves.SOLUTION: A stirring device 1 comprises: a stirring tank 2 that stores fluid; a stirring blade 3 that stirs fluid in the stirring tank 2 by rotating; and an ultrasonic wave oscillating part 4, arranged close to the stirring blade 3 in the stirring tank 2, which oscillates ultrasonic waves. In a cross section which is perpendicular to a rotating shaft 31 of the stirring blade 3, a closest approach distance (G) between the stirring blade 3 and the ultrasonic wave oscillating part 4 is equal to 3% of a tank diameter D of the stirring tank 2 or less. The fluid includes carbon black and has viscosity of 100 cp or higher. The ultrasonic wave oscillating part 4 is mounted on a side wall of the stirring tank 2 and is extended along a shaft direction which is parallel to the rotating shaft 31 of the stirring blade 3. The ultrasonic wave oscillating part 4 is arranged close to the stirring blade 3, at an inner periphery side close to the rotating shaft 31 of the stirring blade 3.SELECTED DRAWING: Figure 1

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YATOMI RYUICHI

JP2022087469A

December 12, 2023

May 30, 2022

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SUMITOMO HEAVY IND PROCESS EQUIPMENT CO LTD

B01F27/90; B01F23/53; B01F23/57; B01F31/85

Kenki Morishita
Teruo Tomisho

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