MICROBUBBLE GENERATION DEVICE AND MICROBUBBLE GENERATION METHOD, AND SHOWER APPARATUS AND OIL-WATER SEPARATION APPARATUS HAVING SAID MICROBUBBLE GENERATION DEVICE
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United States of America Patent
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May 13, 2021
app pub date -
Aug 2, 2017
filing date -
Aug 2, 2017
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Abstract
Provided are: a microbubble generation device utilizing a swirling flow generated by injecting of a pressurized liquid; a microbubble generation method capable of generating a large amount of bubbles; and a shower apparatus and an oil-water separation apparatus having said microbubble generation device. This microbubble generation device comprises: a cylindrical or conical cylinder with a gas-liquid swirling chamber therein; a gas-liquid discharge inlet provided on one end of the cylindrical or conical cylinder; and a liquid supply cylinder and a gas supply cylinder for introducing a liquid and a gas into the gas-liquid swirling chamber. For the gas-liquid discharge outlet, a plurality of small cylindrical through-holes or a plurality of small recessed parts with a circular cross-section and at least a semicircular circumferential length, are respectively provided in the wall of a closed end at one end of the cylindrical or conical cylinder or on the circumferential surface of the inner wall of an open end at one end thereof.
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