CN104023833B - Micro bubble generation device and swirling flow generating means - Google Patents
Micro bubble generation device and swirling flow generating means Download PDFInfo
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- CN104023833B CN104023833B CN201280065912.6A CN201280065912A CN104023833B CN 104023833 B CN104023833 B CN 104023833B CN 201280065912 A CN201280065912 A CN 201280065912A CN 104023833 B CN104023833 B CN 104023833B
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- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31241—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the circumferential area of the venturi, creating an aspiration in the central part of the conduit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
- B01F25/31251—Throats
- B01F25/312512—Profiled, grooved, ribbed throat, or being provided with baffles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F2025/91—Direction of flow or arrangement of feed and discharge openings
- B01F2025/913—Vortex flow, i.e. flow spiraling in a tangential direction and moving in an axial direction
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
Abstract
The present invention relates to a kind of micro bubble generation device and swirling flow generating means, in micro bubble generation device (10), form the hole (12) of longitudinally through its main body (11).Using a side of hole (12) as nozzle (15) configuration gas-liquid mixed space (16), liquid supply unit (17) is set at the other end.The swirling flow organizator receiving space (19) of collecting swirling flow organizator (18) is set between gas-liquid mixed space (16) and liquid supply unit (17).A pair ring-shaped protrusion (184,185) is set at the outer peripheral face of the peripheral part (181) of swirling flow organizator (18), by airtight for its both sides O type ring (25,26).In main body (11), in the position corresponding with by the annulus (22) of jut (184,185) zoning airtightly, cross-drilled hole (13) is set, meanwhile, the main body (180) in swirling flow organizator (18) above arranges the gas passage be communicated with gas-liquid mixed space (16).From the interior ejection in spiral slope (186 (187)) to gas-liquid mixed space (16) highly pressurised liquid being located at swirling flow organizator (18).
Description
Technical field
The present invention relates to and utilize swirling flow to carry out gas-liquid mixed, make the micro bubble generation device producing microbubble in liquid.
Background technology
As making the mode producing the microbubbles such as micro-bubble in liquid, there will be a known gas-liquid two-phase high speed convolution mode.In gas-liquid two-phase high speed convolution mode, make liquid along the convolution at a high speed of the barrel surface in nozzle, produce negative pressure in nozzle center (along axle center).And, utilize this negative pressure to import gas in nozzle, form the gas-liquid two-phase swirling flow of convolution at a high speed.By this swirling flow along axle center contracted flow, by scattering from jet expansion, gas-liquid two-phase fluid being cut off, producing microbubble (such as with reference to patent document 1).
In the micro bubble generation device of patent document 1, the liquid of high pressure is imported the gas-liquid mixed space in road importing nozzle by helical form liquid, form the spiral helicine high speed swirling flow of the cylinder inner peripheral surface along gas-liquid mixed space thus.Helical form liquid imports road and is embedded in the cylindrical portion of nozzle body by columned central solid part periphery being provided with spiral blade and is formed.
Liquid imports road by the liquid be located at above central solid part and is imported into helical form liquid importing road.On the other hand, in order to the pipe supply gas by being connected with the passage that the central shaft along central solid part is formed, and pipe is configured in liquid importing road.Liquid imports road and gas and imports road and need to separate, the problems such as this assembling from pipe, by making pipe straight and liquid is imported curved way to become approximate right angle and realize.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2008-114205 publication
Summary of the invention
(inventing the problem that will solve)
But, in the structure of patent document 1, become approximate right angle due to liquid is imported curved way, so, produce the pressure loss in this part, adverse effect is brought to the liquid supply under high pressure.In addition, need the part importing the wall on road at straight pipe break-through liquid that the seal construction preventing highly pressurised liquid leakage is set, need the processing for this and part.In addition, when liquid importing curved way, do not import road by liquid and assemble central solid part, therefore, need nozzle body be separated into the leading section of central solid part setting-in and form the base end part on bending liquid importing road.
Problem of the present invention is, provide a kind of micro bubble generation device employing gas-liquid two-phase high speed convolution mode, reduce the pressure loss of liquid, number of parts reduces simultaneously.
(technical scheme of technical solution problem)
Convolution passage forming body of the present invention, it is installed in micro bubble generation device, this micro bubble generation device, the liquid pressurizeed by spiral channel is supplied to the gas-liquid mixed space in nozzle, produce swirling flow, use the negative pressure utilizing swirling flow to produce that gas is imported gas-liquid mixed space, form gas-liquid two-phase swirling flow thus, by gas-liquid two-phase swirling flow is sprayed from nozzle, cut off by gas-liquid two-phase fluid, produce microbubble, the feature of described convolution passage forming body is, possess: main body, it has cylindrical portion; Peripheral part, it has the cylinder inner peripheral surface coaxial with cylindrical portion; Spiral slope, it is formed between main body and peripheral part; Heavy section, it links up between cylindrical portion and peripheral part in the top portion on spiral slope; First gas passage, its central shaft along cylindrical portion is formed; Second gas passage, it is by being attached to the outside of peripheral part by the first gas passage in heavy section.
Preferred peripheral part has cylindric outer peripheral face, and preferably, circumferentially the circumferential direction in face forms a pair annular protrusions portion, and the opening portion of the second gas passage is formed between a pair annular protrusions portion.Form stable swirling flow, preferred spiral slope is provided with multiple, and from the view point of on injection molding, preferred multiple spiral slope does not upwards overlap at central shaft each other.In addition, the top portion on the spiral slope on the cylinder inner peripheral surface of peripheral part erects to axis, is formed such as beam portion that the pipe carrying out extending along Cylindorical rod is located in the position corresponding with this top portion.
Micro bubble generation device of the present invention, is provided with described swirling flow organizator, it is characterized in that, arranges cross-drilled hole at the swirling flow organizator receiving space of swirling flow organizator intercalation, and when swirling flow organizator is installed, cross-drilled hole is connected to the second gas passage.
The peripheral part of preferred swirling flow organizator has cylindric outer peripheral face, and preferably, circumferentially the circumferential direction in face forms a pair annular protrusions portion, and the opening portion of the second gas passage is formed between a pair annular protrusions portion, and cross-drilled hole is configured between a pair annular protrusions portion.Thus, gas passage can be formed between ring-shaped protrusion, and set arbitrarily the position of direction of rotation and the position of cross-drilled hole of swirling flow organizator.In addition, in the outside of the annulus formed by a pair annular protrusions portion clamping, be adjacent to configure O type ring respectively with annular protrusions portion.
(effect of invention)
According to the present invention, can provide the micro bubble generation device employing gas-liquid two-phase high speed convolution mode, reduce the pressure loss of liquid, number of parts reduces simultaneously.
Accompanying drawing explanation
Fig. 1 is the partial section of the micro bubble generation device of present embodiment.
Fig. 2 is the side view of the swirling flow organizator of present embodiment.
Fig. 3 is the top view of swirling flow organizator.
Fig. 4 is the sectional view of the swirling flow organizator of IV-IV line in Fig. 3.
Fig. 5 is the partial section of the swirling flow organizator of V-V line in Fig. 3.
Fig. 6 is the sectional view of the swirling flow organizator of VI-VI line in Fig. 3.
Symbol description
10 micro bubble generation devices
11 micro bubble generation device main bodys
12 holes
13 cross-drilled holes
14 holes
15 nozzles
16 gas-liquid mixed spaces
17 liquid supply units
18 swirling flow organizators
19 swirling flow organizator receiving spaces
20 circular cone trapezoid spaces
21 stage portion
22 annular spaces
23 flow rate adjusting mechanisms
25,26O type ring
180 swirling flow organizator main bodys
181 peripheral parts
182 cylindrical portion
183 trapezoidal portions
184,185 juts
186,187 spiral slopes
188 first gas passages
189 second gas passages
190,191 beams.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.Fig. 1 is the partial section of the structure of the micro bubble generation device representing an embodiment of the present invention.
The main body 11 of micro bubble generation device 10 is provided with such as longitudinally through along the X1 axle of Fig. 1 hole 12.On hole 12, setting example is as being communicated to the cross-drilled hole 13 of the outside of main body 11 along the Y-axis orthogonal with X1 axle.In addition, on cross-drilled hole 13 setting example as being communicated to the hole 14 of the outside of main body 11 along the X2 axle orthogonal with Y-axis.In addition, in the present embodiment, X1, X2 axle configured in parallel, but be not limited thereto, X1, X2 axle also can for the relation reversed.
One end (left side of Fig. 1) in hole 12 forms the gas-liquid mixed space 16 of the nozzle 15 of micro bubble generation device 10.Gas-liquid mixed space 16 is such as formed as cylinder space, and its front end opening, after a undergauge, presents expanding shape.To in gas-liquid mixed space 16, as described later along the liquid of inner circumferential surface ejection high pressure, liquid circles round while towards spray nozzle front end at a high speed.At the center in gas-liquid mixed space 16, produce the negative pressure along X1 axle by this high speed swirling flow, utilize this negative pressure to be supplied to gas-liquid mixed space 16 by directed gas, form gas-liquid two-phase swirling flow.Gas-liquid two-phase swirling flow sprays from the front end of nozzle 15, and now, gas-liquid two-phase fluid is cut off, and produces microbubble.
On the other hand, liquid supply unit 17 is set at the other end (opposition side of nozzle 15) in hole 12.Liquid supply unit 17 is the part externally to the above-mentioned liquid of supply in hole 12.In the present embodiment, liquid uses such as flexible pipe (not shown) supply, and liquid supply unit 17 adopts the pipe joints such as such as push-in adaptor.In addition, liquid also can be supplied by pipe, and joint can use currently known various fluid coupling according to object or service condition.
In hole 12, the such as columnar swirling flow organizator receiving space 19 for accommodating swirling flow organizator 18 is set between nozzle 15 and liquid supply unit 17.The internal diameter of swirling flow organizator receiving space 19 is larger than the internal diameter in gas-liquid mixed space 16, and two spaces are connected by the circular cone trapezoid space 20 trapezoidal in circular cone.
Swirling flow organizator 18 is sprayed the inner circumferential of the highly pressurised liquid supplied from liquid supply unit 17 along gas-liquid mixed space 16, simultaneously for the parts at the center by gas channeling gas-liquid mixed space 16, possess the main body 180 being configured at central authorities and the peripheral part 181 surrounding the such as general cylindrical shape around it.Main body 180 is made up of the trapezoidal portion 183 with cylindrical portion 182 axially extending frustoconical trapezoidal shape.That is, if configure swirling flow organizator 18 at swirling flow organizator receiving space 19, then trapezoidal portion 183 extends in circular cone trapezoid space 20, between the outer peripheral face and the inner peripheral surface of circular cone trapezoid space 20 in trapezoidal portion 183, form gap.
The internal diameter of swirling flow organizator receiving space 19 is larger than the internal diameter of the trapezoidal bottom surface of circular cone trapezoid space 20, and the connecting portion in two spaces 19,20 forms stage portion 21.Namely, when assembling, by swirling flow organizator 18 in liquid supply unit 17 side intercalation hand-hole 12 time, if swirling flow organizator 18 arrives suitable position, then the front end of peripheral part 181 is connected to stage portion 21, and restriction swirling flow organizator 18 is to the movement of X1 axis.Afterwards, if assemble fluid coupling at liquid supply unit 17, then the part (such as gasket ring) of fluid coupling abuts with the other end of peripheral part 181.That is, swirling flow organizator 18 is held between stage portion 21 and liquid supply unit 17, and the position of its X1 axis is fixed.
The jut 184,185 extended in the circumferential direction for a pair is set at the outer peripheral face of peripheral part 181.The external diameter of jut 184,185 is set to the internal diameter of swirling flow organizator receiving space 19 roughly equal.That is, between peripheral part 181 and the inner peripheral surface of swirling flow organizator receiving space 19, form the circular space 22 clamped by projection 184,185.In addition, in the outside (outside of annular space 22) of projection 184,185, configure O type ring 25,26 with touching with respective projection, maintain annular space 22 airtightly.In addition, for preventing the dislocation of O type ring 25,26, also the outer peripheral face of the position of configuration O type ring can be formed as channel-shaped.
Cross-drilled hole 13 is formed at the position corresponding with this annular space 22, and annular space 22 and cross-drilled hole 13 together form gas passage.In order to control the flow of supplied gas, in cross-drilled hole 13, be set using the flow rate adjusting mechanism 23 of such as needle-like screw mandrel 27 grade.In addition, in the present embodiment, arranging gas supply part 24 in the hole 14 of X2 axle.At gas supply part 24 also setting example as fluid couplings such as push-in adaptors, connect flexible pipe (not shown), gas is supplied to micro bubble generation device 10.That is, by hole 14, cross-drilled hole 13 to annular space 22 supply gas, by the position of adjustment needle-like screw mandrel, control flow path area, the flow of adjustment gas.
As described later in detail, the gas passage of the end face central portion being communicated to trapezoidal portion 183 from the outer peripheral face between projection 184,185 is set at swirling flow organizator 18.That is, gas-liquid mixed space 16 is communicated to annular space 22 by the gas passage of the end face central authorities being located at trapezoidal portion 183, and annular space 22 is communicated to gas supply part 24 via cross-drilled hole 13, hole 14.
Secondly, with reference to Fig. 2 ~ Fig. 5, the more detailed structure of the swirling flow organizator 18 of present embodiment is described.Fig. 2 is the side view of swirling flow organizator 18, and Fig. 3 is the top view that III direction is observed from Fig. 2.In addition, Fig. 4 is the sectional view of IV-IV line in Fig. 3, and Fig. 5, Fig. 6 are the direction view of the main body 180 that V direction, VI direction are observed from Fig. 4.In addition, in Fig. 5,6, peripheral part 181 is represented by sectional view.
As shown in Fig. 3 ~ Fig. 6, between the cylindrical portion 182 and peripheral part 181 of swirling flow organizator 18, arrange multiple spiral slope, cylindrical portion 182 and peripheral part 181 are linked by spiral slope.Arrange a pair spiral slope 186,187 in the present embodiment, spiral slope 186,187 is such as arranged with the inclination angle of 5 ° ~ 45 ° around cylindrical portion 182 roughly 180 ° respectively.The highly pressurised liquid supplied from liquid supply unit 17 arrives this spiral slope 186,187 by the inner side of peripheral part 181, and sprays along spiral slope 186,187 to circular cone trapezoid space 20.In addition, top portion (upstream side) 186A, the 187A on spiral slope 186,187 are to roughly axially erecting.
In the present embodiment, utilize at least one top portion in multiple spiral slope that gas passage is communicated to peripheral part 181 side from main body 180.Such as, in the present embodiment, top portion 186A is formed as heavy section, forms gas passage therein.As shown in Fig. 3 ~ Fig. 5, gas passage is such as by the first gas passage 188 of the central shaft of the main body 180 (cylindrical portion 182, trapezoidal portion 183) along swirling flow organizator 18 with consist of the second gas passage 189 the first gas passage 188 being communicated in heavy section (top portion 186A) outer peripheral face of peripheral part 181.
In addition, formed from top portion 186A, 187A respectively along the axially extended beam 190,191 of cylinder at the inner peripheral surface of peripheral part 181.The inner peripheral surface in beam 190,191 circumferentially portion 181 extends specified altitude, and its front end abuts with the front end of the flexible pipe (not shown) being installed on liquid supply unit 17, carries out the location of pipe.In addition, as shown in Figure 3, chamfered section (192) being set in the local of the outer peripheral face of peripheral part 181, when being installed to swirling flow organizator receiving space 19 by swirling flow organizator 18, also may be used for the location of direction of rotation.
As above, according to the present embodiment, owing to the liquid of high pressure can be supplied to swirling flow organizator as the crow flies from liquid supply unit, so the pressure loss of liquid can be reduced.In addition, by from the cross-drilled hole supply gas being located at swirling flow organizator receiving space, gas can be supplied road and the liquid supply road position branch at swirling flow organizator, therefore, its structure and simple, significantly can reduce number of parts.
In addition, when carrying out swirling flow organizator to assembling in micro bubble generation device, can from liquid supply unit side intercalation swirling flow organizator, therefore, do not need, as at present, spray nozzle front end is installed back eddy flow organizator as other parts from nozzle side, structure can be made simpler.
And then, in the present embodiment, at the peripheral part of swirling flow organizator, a pair circular jut is set, the opening portion of the gas passage (the second gas passage) of swirling flow organizator is located between these juts, meanwhile, along two jut configuration O type rings, by crimping with the inner peripheral surface of swirling flow organizator receiving space, maintain the air-tightness in the space be formed between jut, therefore, it is possible to maintain air-tightness with open-and-shut structure.In addition, as long as then the cross-drilled hole of gas supply part is arranged on the position corresponding with in the circular space be formed between jut thus, therefore the admissible error in processing also increases, the location of the direction of rotation of swirling flow organizator when easily assembling.
In addition, in the present embodiment, because spiral slope has a pair, so ramping range is roughly 180 ° (in fact amounts of constriction heavy section or beam), this is to make spiral slope not overlap in the axial direction, when quantity on spiral slope is n, as long as the scope on spiral slope is narrower than 360 °/n.
In addition, in the present embodiment, the main body (cylindrical portion, trapezoidal portion) of swirling flow organizator, spiral slope, heavy section, beam, peripheral part, jut, the first gas passage, the second gas passage are integrally formed by injection molding.
Claims (7)
1. a convolution passage forming body, it is installed in micro bubble generation device, the liquid pressurizeed by spiral channel is supplied to the gas-liquid mixed space in nozzle by this micro bubble generation device, produce swirling flow, the negative pressure utilizing described swirling flow to produce is used gas to be imported described gas-liquid mixed space, form gas-liquid two-phase swirling flow thus, by described gas-liquid two-phase swirling flow is sprayed from described nozzle, gas-liquid two-phase fluid is cut off, produce microbubble, the feature of described convolution passage forming body is to possess:
Main body, it has cylindrical portion;
Peripheral part, it has the cylinder inner peripheral surface coaxial with described cylindrical portion;
Spiral slope, it is formed between described main body and described peripheral part;
Heavy section, it links up between described cylindrical portion and described peripheral part in the top portion on described spiral slope;
First gas passage, its central shaft along described cylindrical portion is formed;
Second gas passage, it is by being attached to the outside of described peripheral part by described first gas passage in described heavy section.
2. convolution passage forming body according to claim 1, is characterized in that,
Described peripheral part has cylindric outer peripheral face, and the circumferential direction along described outer peripheral face forms a pair annular protrusions portion, and the opening portion of described second gas passage is formed between described a pair annular protrusions portion.
3. convolution passage forming body according to claim 1, is characterized in that,
Described spiral slope is provided with multiple, and described multiple spiral slope does not upwards overlap at described central shaft each other.
4. convolution passage forming body according to claim 1, is characterized in that,
The top portion on the described spiral slope on the cylinder inner peripheral surface of described peripheral part erects to axis, forms the beam portion that the pipe for carrying out extending along Cylindorical rod is located in the position corresponding with described top portion.
5. a micro bubble generation device, convolution passage forming body according to claim 1 is installed, it is characterized in that, at the swirling flow organizator receiving space of described convolution passage forming body intercalation, cross-drilled hole is set, when described convolution passage forming body is installed, described cross-drilled hole is connected to described second gas passage.
6. micro bubble generation device according to claim 5, is characterized in that,
The described peripheral part of convolution passage forming body has cylindric outer peripheral face, circumferential direction along described outer peripheral face forms a pair annular protrusions portion, the opening portion of described second gas passage is formed between described a pair annular protrusions portion, and described cross-drilled hole is configured between described a pair annular protrusions portion.
7. micro bubble generation device according to claim 6, is characterized in that,
In the outside of the annulus formed by the clamping of described a pair annular protrusions portion, be adjacent to configure O type ring respectively with described annular protrusions portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012009344A JP5807783B2 (en) | 2012-01-19 | 2012-01-19 | Fine bubble generator and swirl flow forming body |
| JP2012-009344 | 2012-04-20 | ||
| PCT/JP2012/083325 WO2013108550A1 (en) | 2012-01-19 | 2012-12-21 | Micro-bubble generating device and swirl flow generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104023833A CN104023833A (en) | 2014-09-03 |
| CN104023833B true CN104023833B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280065912.6A Active CN104023833B (en) | 2012-01-19 | 2012-12-21 | Micro bubble generation device and swirling flow generating means |
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| Country | Link |
|---|---|
| JP (1) | JP5807783B2 (en) |
| KR (1) | KR102132319B1 (en) |
| CN (1) | CN104023833B (en) |
| TW (1) | TWI583440B (en) |
| WO (1) | WO2013108550A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160098189A (en) | 2013-10-14 | 2016-08-18 | 콜드하버 마린 리미티드 | Apparatus and method using ultrasounds for gas conversion |
| KR101633234B1 (en) * | 2015-11-27 | 2016-06-23 | 동명대학교산학협력단 | Microbuble generator |
| CN105498565A (en) * | 2016-01-26 | 2016-04-20 | 米兹普罗（深圳）科技有限公司 | Bubble generating device |
| KR101835986B1 (en) * | 2016-07-25 | 2018-03-07 | 시오 컴퍼니 리미티드 | Fluid Supply Pipe |
| CN109890493B (en) * | 2016-11-29 | 2021-12-10 | 日东精工株式会社 | Micro-bubble generating nozzle |
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- 2012-01-19 JP JP2012009344A patent/JP5807783B2/en active Active
- 2012-12-21 CN CN201280065912.6A patent/CN104023833B/en active Active
- 2012-12-21 KR KR1020147007190A patent/KR102132319B1/en active IP Right Grant
- 2012-12-21 WO PCT/JP2012/083325 patent/WO2013108550A1/en active Application Filing
- 2012-12-27 TW TW101150435A patent/TWI583440B/en active
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|---|---|---|---|---|
| WO2006075452A1 (en) * | 2005-01-13 | 2006-07-20 | National University Corporation University Of Tsukuba | Microbubble producing device, vortex breaking nozzle for microbubble producing device, spiral flow producing blade body for microbubble producing device, microbubble producing method, and microbubble applied device |
| CN101421025A (en) * | 2006-04-24 | 2009-04-29 | 霓达摩尔株式会社 | Microbubble generator |
| CN101594926A (en) * | 2006-11-08 | 2009-12-02 | 霓达摩尔株式会社 | A kind of fine bubble generating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5807783B2 (en) | 2015-11-10 |
| WO2013108550A1 (en) | 2013-07-25 |
| TWI583440B (en) | 2017-05-21 |
| KR102132319B1 (en) | 2020-07-09 |
| CN104023833A (en) | 2014-09-03 |
| JP2013146688A (en) | 2013-08-01 |
| TW201336582A (en) | 2013-09-16 |
| KR20140111640A (en) | 2014-09-19 |
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