WO2005115596A1 - 微細気泡含有液生成方法及び装置並びにこれに組み込まれる微細気泡発生器 - Google Patents
微細気泡含有液生成方法及び装置並びにこれに組み込まれる微細気泡発生器 Download PDFInfo
- Publication number
- WO2005115596A1 WO2005115596A1 PCT/JP2005/010208 JP2005010208W WO2005115596A1 WO 2005115596 A1 WO2005115596 A1 WO 2005115596A1 JP 2005010208 W JP2005010208 W JP 2005010208W WO 2005115596 A1 WO2005115596 A1 WO 2005115596A1
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- WIPO (PCT)
- Prior art keywords
- liquid
- throttle passage
- containing liquid
- microbubble
- gas
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims description 10
- 238000010992 reflux Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 69
- 239000007789 gas Substances 0.000 description 15
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 241000234435 Lilium Species 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 206010040872 skin infection Diseases 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B01F23/2326—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 adding the flowing main component by suction means, e.g. using an ejector
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- 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
- B01F23/2375—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 for obtaining bubbles with a size below 1 µm
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- B01F25/31242—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 central area of the venturi, creating an aspiration in the circumferential part of the conduit
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01F23/20—Mixing gases with liquids
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- 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
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- 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
- B01F23/2376—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 characterised by the gas being introduced
- B01F23/23765—Nitrogen
Definitions
- the present invention relates to a method and an apparatus for producing a liquid containing fine bubbles and a fine bubble generator incorporated therein.
- Gas supersaturated solutions containing fine bubbles are attracting attention as being applicable to a wide range of fields, such as cleaning of precision equipment, agriculture, oil and liquid separation, water purification, and hot springs.
- the apparatus for generating fine bubble-containing liquid is of a filter type.
- the filter type apparatus has a problem that it is difficult to maintain the initial performance for a long term due to clogging of the filter.
- US Pat. No. 6,293,529 forms a throttle passage with a partition wall having a liquid passage hole at the upstream end of a cylindrical body and a circular disk arranged facing the partition wall, and allows the liquid containing dissolved gas to pass through the throttle passage. In this way, a device that generates a large amount of fine bubbles is disclosed.
- the smaller the diameter of the microbubbles the stronger the (1) the ability to adsorb suspended substances (waterborne substances); (2) the larger the contact area between water and air and the higher the density of the bubbles. It is known that the organic substance is easily decomposed by floating in water for a long time under the condition of (3);
- An object of the present invention is to provide a method and an apparatus for producing a microbubble-containing liquid capable of generating a microbubble-containing liquid containing bubbles having a smaller diameter than before, and to assemble the same. It is an object to provide a microbubble generator to be inserted.
- Another object of the present invention is to provide a method and an apparatus for producing a fine bubble-containing liquid capable of producing a stable fine bubble-containing liquid in which bubbles continue to exist for a long period of time, and to provide a fine bubble generator incorporated therein. It is in.
- Another object of the present invention is to provide a method and an apparatus for producing a microbubble-containing liquid capable of reducing the variation in the diameter of bubbles contained in the microbubble-containing liquid, and a microbubble generator incorporated therein. is there.
- fine bubbles are generated by the cavitation phenomenon by passing through the throttle passage.
- the wall surface of the throttle passage is formed.
- a vortex is generated in the recess formed in the recess to generate fine bubbles, and the diameter of the bubble can be reduced and / or uniformized by the vortex generated in the recess. If the diameter of the microbubbles becomes smaller, the bubbles in the liquid containing the microbubbles will continue to exist for a long period of time. Maintenance is also easy because no filters are used to generate microbubbles.
- a liquid containing a large amount of fine bubbles can be generated by passing the dissolved gas-containing liquid pumped from the pump through the throttle passage having the recess on the wall surface.
- the liquid containing fine bubbles coming out of the throttle passage collide with the fixed surface to further reduce the size of the bubbles.
- the microbubble generator comprises:
- a main pipe through which a dissolved gas-containing liquid supplied under pressure passes, and an intermediate wall partitioning the main pipe, the intermediate wall having an opening in a central portion;
- a small-diameter pipe fixed to the wall surface on the downstream side of the intermediate wall facing the opening; a flange provided at a downstream end of the small-diameter pipe and extending radially outward;
- a throttle passage is formed by the disk and the flange, and a recess is formed in the flange and / or the disk.
- FIG. 1 is a perspective view showing an outline of a microbubble-containing liquid generating apparatus of an embodiment.
- FIG. 2 is a view for explaining a connection structure of each element of the microbubble-containing liquid generating apparatus illustrated in FIG.
- FIG. 3 is a cross-sectional view for explaining the outline of a bench lily pipe for taking in air.
- FIG. 4 is a cross-sectional view of a microbubble generator incorporated in the microbubble-containing liquid generating apparatus of FIG.
- FIG. 5 is a partially enlarged cross-sectional view showing a portion indicated by an arrow V in FIG.
- FIG. 6 is a cross-sectional view of a microbubble generator according to a modification.
- FIG. 7 is a sectional view of a fine bubble generator according to another modification.
- FIG. 8 is a partial cross-sectional view of a microbubble-containing liquid generating apparatus that generates microbubbles in water.
- FIG. 9 is a cross-sectional view of a microbubble generator incorporated in a microbubble-containing liquid generating apparatus equipped with a submersible pump.
- FIG. 1 is a perspective view of a microbubble-containing water generating apparatus of an embodiment
- FIG. 2 is a diagram showing an outline of a circuit of the microbubble-containing water generating apparatus of FIG.
- the microbubble-containing water generator 1 of the embodiment has a circulation pump 2 and a pressure tank 3.
- Reference numeral PG in FIG. 2 indicates a pressure gauge of the pressure tank 3.
- Water in the water tank 4 is supplied to the suction port of the circulation pump 2 from the water tank 4 through a raw water introduction pipe 5 as an example.
- the discharge port of the circulation pump 2 and the bottom of the pressure tank 3 are connected via a pressure feed pipe 6.
- the lower end of the pressure tank 3 is connected to an upstream end of a reflux pipe 7, and the downstream end of the reflux pipe 7 is connected to an intermediate portion of the introduction pipe 5.
- the return pipe 7 is provided with a bench lily pipe 8 (FIG. 3).
- an intake port 9 is opened in the throttle portion 8 a of the bench lily tube 8, and outside air is sucked into the venturi tube 8 through the intake port 9.
- reference numeral 10 is a check valve. It is preferable to provide a manual adjustment valve (not shown) capable of adjusting the amount of air passing through the intake port 9 or an air guide pipe (not shown) communicating therewith.
- the reflux pipe 7 preferably has a first flow control valve 12 located upstream of the bench lily pipe 8 and a second flow control valve 13 located downstream.
- the pressure in the pressure tank 3 can be substantially adjusted by the first flow control valve 12, and the amount of air taken in through the intake port 9 can be substantially adjusted by the second flow control valve 13. can do.
- the first and second flow control pulps 12 and 13 are preferably manually operated so that an operator can adjust the pressure while watching the pressure gauge PG of the pressure tank 3.
- the fine bubble generator 20 includes an outer shell or outer cylinder 201 having substantially the same diameter as the discharge pipe 16 described above, and an intermediate portion in the longitudinal direction of the outer cylinder 201.
- the inner cylinder 203 extending from the bulkhead 202 to the downstream side, that is, the inner cylinder 203, and the inner cylinder 203 has a smaller diameter than the outer cylinder 201. It has.
- a plurality of liquid passage holes 202a are formed in the center of the partition wall 202, and the liquid passage holes 202a are preferably arranged at equal intervals on the same circumference.
- the microbubble generator 20 is, but is not limited to, a metal or plastic molding.
- the inner cylinder 203 is disposed on the same axis as the outer cylinder 201, and a ring-shaped circumferential flange 203a extending radially outward is formed at the downstream end of the cylinder 203. ing. More specifically, the circumferential flange 203 a extends in a direction orthogonal to the downstream end of the inner cylinder 203, and the outer peripheral edge of the circumferential flange 203 a is formed on the inner peripheral surface of the outer cylinder 201. They are located next to each other.
- the microbubble generator 20 includes a disk 204 located adjacent to the trailing edge of the inner cylinder 203 and extending in a direction transverse to the outer cylinder 201, wherein the disk 204 has a circumferential shape.
- a throttle passage 17 is formed in cooperation with the flange 203a. It is preferable that the disk 204 be provided with a stepped portion 204a in which the outer peripheral edge of the plate surface on the downstream side is cut off.
- the disk 204 is attached to a support pin 205 extending from the center of the partition wall 202 to the downstream side along the axis.
- the gap between the circumferential flange 203 and the disk 204 is fixed after welding after adjusting the distance between the circumferential flange 203 and the disk 2 so that the distance between the circumferential flange 203 and the disk 204 can be adjusted.
- 04 may be displaceable with respect to the support pin 205.
- At least one of the recesses 206 is formed in a portion of the throttle passage 17 facing the circumferential flange 203 a constituting the wall surface of the throttle passage 17 and the circumferential flange 203 a of the disk 204.
- the recess 206 is formed in the circumferential flange 203a as shown in FIG.
- the recesses 206 are Preferably, it is provided adjacent to the outer peripheral edge of the circumferential flange 203 a and has a ring-shaped continuous shape.
- the recesses 206 formed on the wall surface of the throttle passage 17 may be discontinuous, or a plurality of recesses may be provided in the length direction of the throttle passage 17.
- the water in the water tank 4 is taken into the microbubble-containing liquid generating device 1 by the circulation pump 2, sent to the pressure tank 3 under pressure, and stored in the pressure tank 3 under pressure. Part of the water in the pressure tank 3 is returned to the water tank 4 via the discharge pipe 16 and the fine bubble generator 20, and part of the water flows into the reflux pipe 7.
- the water flowing into the return pipe 7 takes in air from the intake port 9 while passing through the bench lily pipe 8. Next, the water mixed with the air merges with the raw water in the raw water introduction pipe 5 and is sucked into the circulation pump 2, and the air in the water is sheared by the circulation pump 2 into relatively small bubbles, and the dissolution of the air is promoted. You.
- the water in the pressure tank 3 becomes dissolved water containing bubbles and fills the pressure tank 3.
- the water in the pressure tank 3 passes through the throttle passage 17 of the fine bubble generator 20 in the process of being discharged to the water tank 4 through the discharge pipe 16, and the throttle passage 17
- the water squirted from the water is discharged to the water tank 4 through the outer cylinder 102 while colliding with the inner wall surface of the outer cylinder 201.
- the fine bubble generator 20 has a pressure chamber 210 constituted by a partition wall 202 and an inner cylinder 203, and a throttle passage 17 communicates with the pressure chamber 210. That is, the inner cylinder 203 constitutes the side wall of the pressure chamber 210, and the pressure chamber 210 has a depth due to the longitudinal length of the inner cylinder 203. The deep part of the pressure chamber 210 communicates with the throttle passage 17.
- the microbubble generator 20 also has a low-pressure chamber 211 formed by a downstream portion of the outer cylinder 201. In addition, it is preferable to provide a sub chamber 212 connected to the low pressure chamber 211 between the outer cylinder 201 and the inner cylinder 203.
- the water containing dissolved air in the pressure tank 3 In the process of passing through the throttle passage 17, the water containing dissolved air in the pressure tank 3 generates a vortex in the recess 206 on the wall surface of the throttle passage 17, and the vortex generates fine bubbles. . Then, immediately after being discharged from the throttle passage 17, the fine bubbles collide with the inner surface of the outer cylinder 201 and are further miniaturized.
- the time-dependent change in the amount of dissolved oxygen in the water tank 4 was as follows.
- the distribution of the diameters of the fine bubbles generated by the fine bubble-containing liquid generating apparatus 1 has peaks at 20 / zm and 0.1 to 0.05111.
- the diameter of the generated microbubbles can be changed by adjusting the separation distance between the circumferential flange 203 a and the disk 204 and by adjusting the pressure of the pressure tank 3.
- there is a peak in the distribution of the diameter of the fine bubbles which means that the dispersion of the diameter of the bubbles contained in the water containing fine bubbles is small. .
- the microbubble-containing water which has peaks at 20 / zm and 0:! ⁇ 0.05 xm, obtained from the above experiment, also has the function of floating suspended matter on the water surface, It can be seen that it has a function of holding bubbles. The latter function is consistent with the fact that a high dissolved oxygen concentration is maintained even after 24 hours have elapsed since the operation of the microbubble-containing liquid generating apparatus 1 was stopped.
- the diameter of the bubbles generated by the conventional microbubble-containing liquid generating device was several m / m, but the microbubble-containing liquid generating device 1 of the embodiment generates bubbles having a diameter one order of magnitude smaller than the conventional one. It can be understood from the above experimental results that they have the ability to do so. Therefore, the microbubbles of the microbubble-containing water generated by the microbubble-containing liquid generating apparatus 1 of the embodiment continue to exist for a long time.
- FIG. 1 and FIG. 2 illustrate a microbubble-containing water generator 1 applied to water quality improvement. That is, the microbubble-containing water generator 1 takes in water in the water tank 4 containing the water to be treated, generates microbubbles, and returns the water containing the microbubbles to the water tank 4. As a result, the water in the water tank 4 becomes water containing a large amount of fine bubbles, the suspended matter in the water tank 4 floats on the water surface by the bubbles, and relatively heavy underwater substances precipitate at the bottom of the water tank 4. By removing suspended matter floated by bubbles and sediment at the bottom of the water tank 4, the water located in the middle layer in the water tank 4 activates the activity of aerobic microorganisms containing a large amount of fine bubbles. It becomes purified water with high transparency.
- FIG. 6 shows a modification 30 of the fine bubble generator 20.
- the microbubble generator 30 of the modified example is different from the microbubble generator of the first embodiment in that the circumferential flange 203 a extends obliquely. It is different from the bubble generator 20.
- the circumferential flange 203 a extends obliquely from the downstream end of the inner cylinder 203 to the downstream side.
- the disk 204 also has a shape that is inclined toward the downstream side by bending its outer peripheral portion downstream from the inner peripheral portion.
- FIG. 7 shows another modification 40 of the microbubble generator 20.
- the downstream end of the outer cylinder 201 is closed by a wall 201a.
- a discharge port 201 b is formed on the side wall of the downstream portion of the outer cylinder 201.
- the support pin 205 has a downstream end extending to the outside through the downstream closing wall 201 a of the outer cylinder 201 and an upstream end integrated with the disk 204. .
- the clearance between the circumferential flange 203a and the disk 204 is increased. The distance can be adjusted.
- the microbubble-containing liquid generating device 1 may employ, for example, a nozzle that jets air instead of the bench lily tube 8. That is, the tip of the nozzle is arranged in the return pipe 7 (FIGS. 1 and 2), and pressurized air is jetted from this nozzle to supply air to the water passing through the flow pipe 7. Good.
- the microbubble-containing liquid generating device 1 described with reference to Fig. 1 and Fig. 2 is installed and used on the ground, but it can also generate microbubbles in water by integrating it with a submersible pump. It is possible.
- Figs. 8 and 9 show examples in which the microbubble generator 40 is incorporated in the submersible pump.However, the microbubble generators 20 and 30 described with reference to Figs. 4 and 7 may be incorporated. Needless to say.
- the fine bubble generator 40 has a female screw 41 formed on the inner surface on the upstream side of the outer cylinder 201 (FIG. 9).
- a male screw (not shown in the drawing) is formed at the end on the discharge side, whereby the submersible pump 50 generates fine bubbles at the end on the discharge side.
- a vessel 40 is screwed on, thereby forming an underwater microbubble-containing liquid generating apparatus 51.
- the narrow passage 17 included in the microbubble generator 20 is composed of a thin tube.
- a stationary, that is, immobile, collision surface against which the fine bubble-containing liquid ejected from the throttle passage 17 can collide is provided. You may.
- the pressure chamber 210 is provided in the microbubble generator 20 or the like, but can be omitted by increasing the pressure in the pressure tank 3.
- the pressure in the pressure tank 3 can be made relatively low, so that a relatively small pump is used as the circulation pump 2.
- the cost of the microbubble-containing liquid generating apparatus 1 can be reduced.
- a pressure chamber 210 is provided in the microbubble generator 20 or the like, and the gas solution is fed into the restrictor passage 17 at a relatively high pressure. Since the number of contained bubbles can be increased or reduced, if the diameter of the bubbles to be generated is equal to or slightly smaller than the conventional one, the recess 206 is omitted from the throttle passage 17. It may be.
- Fine-bubble-containing liquid generating device of the present invention air, carbon dioxide (C 0 2), nitrogen gas (N 2), ozone ( ⁇ 3), chlorine gas (C 1 2), various such inert gases
- C 0 2 carbon dioxide
- N 2 nitrogen gas
- ozone ⁇ 3
- chlorine gas C 1 2
- a liquid containing gas microbubbles is generated, and the liquid containing microbubbles can be applied to various uses. Examples of applications include household baths, beauty baths, essences, hot springs, pools, water purification of rivers and lakes, water and sewage water treatment, washing and disinfection of agricultural products such as vegetables, drinking water for livestock, etc.
- Oxygen water washing and sterilization of eggs, filtration of beads, water for fish culture, medical water such as skin infections, treatment of industrial effluent, cleaning of semiconductor chips and precision equipment, cleaning of piping, tanker Water treatment, oil separation, flotation removal of dissolved substances, etc.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05745934.9A EP1754529B1 (en) | 2004-05-31 | 2005-05-27 | Method and device for producing fine air bubble-containing liquid |
ES05745934.9T ES2457752T3 (es) | 2004-05-31 | 2005-05-27 | Método y dispositivo para producir líquido conteniendo finas burbujas de aire |
JP2006514024A JP4869922B2 (ja) | 2004-05-31 | 2005-05-27 | 微細気泡発生器 |
US11/564,573 US7913984B2 (en) | 2004-05-31 | 2006-11-29 | Method and system for generating microbubble-contained liquid and microbubble generator to be assembled in the system |
Applications Claiming Priority (2)
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JP2004161184 | 2004-05-31 | ||
JP2004-161184 | 2004-05-31 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/564,573 Continuation US7913984B2 (en) | 2004-05-31 | 2006-11-29 | Method and system for generating microbubble-contained liquid and microbubble generator to be assembled in the system |
Publications (1)
Publication Number | Publication Date |
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WO2005115596A1 true WO2005115596A1 (ja) | 2005-12-08 |
Family
ID=35450691
Family Applications (1)
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PCT/JP2005/010208 WO2005115596A1 (ja) | 2004-05-31 | 2005-05-27 | 微細気泡含有液生成方法及び装置並びにこれに組み込まれる微細気泡発生器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7913984B2 (ja) |
EP (1) | EP1754529B1 (ja) |
JP (1) | JP4869922B2 (ja) |
CN (1) | CN100537007C (ja) |
ES (1) | ES2457752T3 (ja) |
WO (1) | WO2005115596A1 (ja) |
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WO2023188485A1 (ja) * | 2022-03-28 | 2023-10-05 | リンナイ株式会社 | 微細気泡発生装置、給湯器、および食器洗浄機 |
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Also Published As
Publication number | Publication date |
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CN100537007C (zh) | 2009-09-09 |
EP1754529B1 (en) | 2014-04-02 |
US20070095937A1 (en) | 2007-05-03 |
JPWO2005115596A1 (ja) | 2008-03-27 |
JP4869922B2 (ja) | 2012-02-08 |
ES2457752T3 (es) | 2014-04-29 |
CN1972738A (zh) | 2007-05-30 |
US7913984B2 (en) | 2011-03-29 |
EP1754529A4 (en) | 2011-09-28 |
EP1754529A1 (en) | 2007-02-21 |
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