MICRO-BUBBLE GENERATOR AND MICRO-BUBBLE GENERATION DEVICE
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
B01F-003/04
B01F-005/02
출원번호
US-0381220
(2010-10-04)
공개번호
US-0126436
(2012-05-24)
우선권정보
JP-2009-243930 (2009-10-22)
국제출원번호
PCT/JP2010/067356
(2010-10-04)
§371/§102 date
20111228
(20111228)
발명자
/ 주소
Hato, Yoko
출원인 / 주소
Hato, Yoko
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
An object is to provide a micro-bubble generator, etc., capable of efficiently generating bubbles having a particle size of a nanometer order. One aspect of the present invention is a micro-bubble generator provided with a swirl chamber, a fluid introduction opening connected to the swirl chamber, t
An object is to provide a micro-bubble generator, etc., capable of efficiently generating bubbles having a particle size of a nanometer order. One aspect of the present invention is a micro-bubble generator provided with a swirl chamber, a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing fluid along a line tangent to an inner surface of the swirl chamber, and a discharge tube for guiding the fluid in the direction substantially perpendicular to the direction in which the fluid is introduced. The discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber. According to the present configuration, by isolating a path of the introduced fluid, a loss of kinetic energy of a swirl flow of the fluid can be reduced. Thus, the micro-bubble generator capable of reducing the size of the generated micro-bubbles can be obtained.
대표청구항▼
1. A micro-bubble generator, having: a swirl chamber;a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing fluid along a line tangent to an inner surface of the swirl chamber; anda discharge tube for guiding the fluid in the direction substantial
1. A micro-bubble generator, having: a swirl chamber;a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing fluid along a line tangent to an inner surface of the swirl chamber; anda discharge tube for guiding the fluid in the direction substantially perpendicular to the direction in which the fluid is introduced, whereinthe discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber. 2. The micro-bubble generator according to claim 1, wherein a central axis of the discharge tube in the swirl chamber is provided in the direction substantially perpendicular to the direction in which the fluid is introduced. 3. The micro-bubble generator according to claim 1, having: the swirl chamber;the fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing the fluid along the line tangent to the inner surface of the swirl chamber; andthe discharge tube for guiding the fluid in the direction substantially perpendicular to the direction in which the fluid is introduced, whereinthe fluid introduced from the fluid introduction opening circulates around a circumference of the discharge tube, and then flows from one end of the discharge tube to the other end, and is discharged. 4. The micro-bubble generator according to claim 3, wherein the one end of the discharge tube is positioned close to a wall surface of the swirl chamber facing the wall surface that the discharge tube penetrates. 5. A micro-bubble generation device, having: the micro-bubble generator according to claim 4; anda fluid storage tank accommodating the micro-bubble generator and storing micro-bubble containing fluid. 6. A micro-bubble generator, having: a swirl chamber having a space in which a fluid is capable of swirling;a fluid introduction opening for introducing the fluid along a line tangent to an inner surface of the swirl chamber; anda discharge tube, whereinthe swirl chamber is provided with a first wall surface substantially orthogonal to a surface of the swirl chamber in which the fluid introduction opening is arranged, and a second wall surface facing the first wall surface, andthe discharge tube penetrates the second wall surface and protrudes to an interior of the swirl chamber. 7. A micro-bubble generator, having: a swirl chamber having a space in which a fluid is capable of swirling;a fluid introduction opening for introducing the fluid along a line tangent to an inner surface of the swirl chamber; anda discharge tube, whereina first wall surface orthogonal to a surface of the swirl chamber in which the fluid introduction opening is arranged, and a second wall surface facing the first wall surface are provided in the swirl chamber, andthe discharge tube is positioned on a substantially central axis line of the swirl chamber, penetrates the second wall surface, and reaches to a position close to the first wall surface. 8. A micro-bubble generation device, comprising: a micro-bubble generator having a swirl chamber, a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing fluid along a line tangent to an inner surface of the swirl chamber, and a discharge tube for guiding the fluid in the direction substantially perpendicular to the direction in which the fluid is introduced, wherein the discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber; anda fluid storage tank accommodating the micro-bubble generator and storing micro-bubble containing fluid, whereinthe micro-bubble containing fluid discharged vertically upward from the fluid storage tank is obtained. 9. A micro-bubble generation device, comprising: a micro-bubble generator having a swirl chamber, a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing gas-liquid mixture fluid along a line tangent to an inner surface of the swirl chamber, and a discharge tube for guiding the gas-liquid mixture fluid in the direction substantially perpendicular to the direction in which the gas-liquid mixture fluid is introduced, wherein the discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber, and the gas-liquid mixture fluid introduced from the fluid introduction opening circulates around a circumference of the discharge tube, and then flows from one end of the discharge tube to the other end; anda fluid storage tank accommodating the micro-bubble generator and storing micro-bubble containing fluid, whereinthe micro-bubble containing fluid discharged vertically upward from the fluid storage tank is obtained. 10. A micro-bubble generation device, comprising: a micro-bubble generator having a swirl chamber, a fluid introduction opening connected to the swirl chamber, the fluid introduction opening for introducing gas-liquid mixture fluid along a line tangent to an inner surface of the swirl chamber, and a discharge tube for guiding the gas-liquid mixture fluid in the direction substantially perpendicular to the direction in which the gas-liquid mixture fluid is introduced, wherein the discharge tube penetrates a wall surface of the swirl chamber and protrudes to an interior of the swirl chamber, the gas-liquid mixture fluid introduced from the fluid introduction opening circulates around a circumference of the discharge tube, and then flows from one end of the discharge tube to the other end, the gas-liquid mixture fluid turns backward at a wall surface and flows in from the opened one end of the discharge tube, and the wall surface is a wall surface of the swirl chamber facing the wall surface that the discharge tube penetrates; anda fluid storage tank accommodating the micro-bubble generator and storing micro-bubble containing fluid, whereinthe micro-bubble containing fluid discharged vertically upward from the fluid storage tank is obtained. 11. A micro-bubble generation device, comprising: a micro-bubble generator provided with a cylindrical gas-liquid swirl chamber having a space in which a gas-liquid mixture fluid is capable of swirling, a gas-liquid introduction cylinder including a gas-liquid introduction opening for introducing the gas-liquid mixture fluid along a line tangent to an inner surface of the gas-liquid swirl chamber, a gas-liquid introduction cylinder including a gas-liquid introduction opening for introducing the gas-liquid mixture fluid along a line tangent to an inner surface of the gas-liquid swirl chamber, a first wall surface orthogonal to a surface in which the gas-liquid introduction opening is arranged, a second wall surface facing the first wall surface, the second wall surface being positioned close to the gas-liquid introduction opening, and a gas-liquid discharge opening positioned on a central axis line of the cylindrical gas-liquid swirl chamber, the gas-liquid discharge opening penetrating the second wall surface and reaching to a position close to the first wall surface;a pump for supplying the fluid to the micro-bubble generator;a suction piping connected to a suction opening of the pump;a discharge piping connected to a discharge opening of the pump and connected to the gas-liquid introduction opening;a cylindrical casing forming a gas-liquid mixture fluid storage tank accommodating the micro-bubble generator and storing micro-bubble containing fluid discharged from the micro-bubble generator;a semi-spherical third wall surface forming an upper part of the gas-liquid mixture fluid storage tank;a storage tank discharge opening positioned in an upper part of a central axis line of the gas-liquid mixture fluid storage tank, the storage tank discharge opening penetrating the third wall surface;a semi-spherical fourth wall surface forming a lower part of the gas-liquid mixture fluid storage tank;a drainage opening positioned in a lower part of the central axis line of the gas-liquid mixture fluid storage tank, the drainage opening penetrating the fourth wall surface;a storage tank discharge pipe connected to the storage tank discharge opening; anda drainage pipe connected to the drainage opening. 12. A micro-bubble generation device, comprising: a micro-bubble generator provided with a cylindrical gas-liquid swirl chamber having a space in which a gas-liquid mixture fluid is capable of swirling, a gas-liquid introduction cylinder including a gas-liquid introduction opening for introducing the gas-liquid mixture fluid along a line tangent to an inner surface of the gas-liquid swirl chamber, a first wall surface orthogonal to a surface in which the gas-liquid introduction opening is arranged, a second wall surface facing the first wall surface, the second wall surface being positioned close to the gas-liquid introduction opening, and a tubular gas-liquid discharge opening positioned on a central axis line of the cylindrical gas-liquid swirl chamber, the gas-liquid discharge opening penetrating the second wall surface and reaching to a position close to the first wall surface;a pump for supplying the fluid to the micro-bubble generator;a suction piping connected to a suction opening of the pump;a discharge piping connected to a discharge opening of the pump and connected to the gas-liquid introduction opening;a gas-liquid ejection opening positioned on a negative pressure axis formed by a swirl flow of micro-bubble containing fluid discharged from the micro-bubble generator;a cylindrical casing forming a gas-liquid mixture fluid storage tank accommodating the micro-bubble generator and storing the micro-bubble containing fluid ejected from the gas-liquid ejection opening;a semi-spherical third wall surface forming an upper part of the gas-liquid mixture fluid storage tank;a storage tank discharge opening positioned in an upper part of a central axis line of the gas-liquid mixture fluid storage tank, the storage tank discharge opening penetrating the third wall surface;a semi-spherical fourth wall surface forming a lower part of the gas-liquid mixture fluid storage tank;a drainage opening positioned in a lower part of the central axis line of the gas-liquid mixture fluid storage tank, the drainage opening penetrating the fourth wall surface;a storage tank discharge pipe connected to the storage tank discharge opening; anda drainage pipe connected to the drainage opening, whereinthe gas-liquid mixture fluid introduced from the gas-liquid introduction opening circulates around a circumference of the gas-liquid discharge opening, then turns backward at the first wall surface, flows in from an opened one end of the gas-liquid discharge opening, and flows from the one end of the gas-liquid discharge opening to the other end.
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