WO2019234962A1 - Dispositif et procédé de production de solution de microbulles et solution de microbulles d'ozone - Google Patents

Dispositif et procédé de production de solution de microbulles et solution de microbulles d'ozone Download PDF

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Publication number
WO2019234962A1
WO2019234962A1 PCT/JP2019/000808 JP2019000808W WO2019234962A1 WO 2019234962 A1 WO2019234962 A1 WO 2019234962A1 JP 2019000808 W JP2019000808 W JP 2019000808W WO 2019234962 A1 WO2019234962 A1 WO 2019234962A1
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Prior art keywords
nozzles
nozzle
fine bubble
liquid
diameter
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PCT/JP2019/000808
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English (en)
Japanese (ja)
Inventor
準一 飯田
小出　実
Original Assignee
株式会社 オプトクリエーション
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Application filed by 株式会社 オプトクリエーション filed Critical 株式会社 オプトクリエーション
Priority to CN201980038961.2A priority Critical patent/CN112261991B/zh
Priority to JP2019523127A priority patent/JP6834072B2/ja
Priority to KR1020207036503A priority patent/KR20210018305A/ko
Publication of WO2019234962A1 publication Critical patent/WO2019234962A1/fr

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • 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
    • 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
    • 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
    • B01F23/2376—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
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • 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
    • B01F23/2376—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
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237613—Ozone
    • 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
    • B01F23/2376—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
    • B01F23/23764—Hydrogen
    • 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
    • B01F23/2376—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
    • 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
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/10—Preparation of ozone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/48—Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/503—Mixing fuel or propellant and water or gas, e.g. air, or other fluids, e.g. liquid additives to obtain fluid fuel
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/78—Details relating to ozone treatment devices
    • C02F2201/782—Ozone generators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection

Definitions

  • the present invention relates to a fine bubble liquid production apparatus, a fine bubble liquid production method, and a fine bubble liquid produced by this fine bubble liquid production method.
  • Liquids containing fine bubbles are expected to be used in various applications such as fuel reforming, semiconductor cleaning, cleaning of contaminated water, sterilization or disinfection, and application to living bodies.
  • Patent Document 1 discloses a technology for reforming fuel by a fuel manufacturing apparatus that includes a nano-bubble generation means that includes a nozzle that injects fuel at a high pressure and a wall that collides with the fuel injected from the nozzle. Has been.
  • Patent Document 2 discloses an apparatus for producing nanobubble hydrogen water for beverages by injecting a high-pressure fluid into a raw liquid (tap water or the like) to be treated.
  • Patent Document 3 describes a method for producing a bactericidal agent by generating microbubbles by passing an inorganic aqueous solution mixed with ozone through a bubble generating nozzle.
  • bubbles having a diameter of 10 ⁇ m to several tens of ⁇ m or less are referred to as microbubbles
  • bubbles having a diameter of several hundred nm to 10 ⁇ m or less are referred to as micronanobubbles
  • a diameter of several hundred nm is used.
  • the following bubbles are referred to as nanobubbles, and these are collectively referred to as fine bubbles.
  • emulsion fuel is obtained by injecting high-pressure fuel from a plurality of nozzles into a fuel matrix, as shown in FIG.
  • the fuel production apparatus disclosed in Patent Document 1 since the nozzle arrangement and the nozzle specifications are fixed, the range of the particle size of the fine bubbles that can be generated is limited.
  • At least one first nozzle 204 fixed perpendicularly to the main pipe 202 and the main pipe 202 are inclined.
  • the high-pressure liquid introduced into the pressurized liquid supply space 208 partially passes through the first nozzle 204 and is inside the main pipe 202.
  • the other portion is jetted toward the fluid 210 flowing inside the main pipe 202 via the second nozzle 206.
  • the high-pressure liquid ejected from the second nozzle 206 is directed toward the outlet side (the arrow side in FIG. 9) inside the main pipe 202. Since it is injected, it has the effect of forcing the liquid flowing inside the main pipe 202 to go to the outlet side, so that the production efficiency of nanobubble hydrogen water is improved.
  • the second nozzle 206 is attached to the main pipe 202 in an inclined state, there is a problem that the structure of the main pipe 202 becomes complicated.
  • the arrangement of the nozzles and the specifications of the nozzles are fixed in the same manner as that disclosed in Patent Document 1, the range of the particle size of the fine bubbles that can be generated is limited.
  • the configuration for mounting or fixing the nozzles is complicated, and the nozzle arrangement and nozzle specifications are fixed. Therefore, the range of the particle size of the fine bubbles used in the fine bubble liquid production apparatus is limited, and the versatility of the fine bubble liquid production apparatus or the fine bubble liquid production method is lacking. It was considered as a bubble liquid production apparatus or a fine bubble liquid production method.
  • the present invention has a simple configuration for mounting or fixing the nozzle, and can easily adjust or change the arrangement and specifications of the nozzle, and can provide fine bubbles having a desired particle size according to the application or purpose. It is an object of the present invention to provide a fine bubble liquid production apparatus, a fine bubble liquid production method, and a fine bubble liquid produced by the fine bubble liquid production method capable of producing the contained fine bubble liquid.
  • the fine bubble liquid production apparatus comprises: Inlet means for supplying pressurized raw liquid; A raw liquid distribution means for distributing the pressurized raw liquid; Gas supply means for supplying gas to the raw liquid circulation means; A plurality of nozzles provided along the raw liquid circulation means and having injection holes for injecting the pressurized raw liquid supplied from the inlet means; Outlet means for taking out the fine bubble liquid generated from the outlet of the raw liquid circulation means; A fine bubble liquid production apparatus comprising: The plurality of nozzles are attached to be exchangeable in a direction intersecting the raw liquid circulation means, At least one of the plurality of nozzles is selected from a plurality of types of nozzles prepared in advance; The specification of the nozzle, the arrangement of the nozzle, the number of the nozzles, the pressure of the raw liquid supplied from the inlet means, the supply amount by the pressurizing means for supplying the raw liquid to the inlet means, the pressurizing means Producing a microbubble liquid containing microbubbles of a predetermined particle
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to the first aspect, wherein a plurality of the nozzles are provided in a circumferential direction and / or a longitudinal direction of the raw liquid circulation means. It is characterized by.
  • the fine bubble liquid manufacturing apparatus is the fine bubble liquid manufacturing apparatus according to the first or second aspect, wherein at least one of the plurality of nozzles has the injection hole inclined toward the downstream side. It is characterized by.
  • the microbubble liquid manufacturing apparatus is the microbubble liquid manufacturing apparatus according to any of the first to third microbubble liquid manufacturing apparatuses, wherein a plurality of nozzles are provided in the circumferential direction of the raw liquid circulation means and A plurality of rows are also provided in the longitudinal direction of the liquid circulation means, and the positions of the nozzles in the rows adjacent to the longitudinal direction are shifted in the circumferential direction.
  • the microbubble liquid production apparatus is the microbubble liquid production apparatus according to any one of the first to fourth aspects, wherein the gas supply means is provided coaxially and inside the raw liquid circulation means. And extending along the longitudinal direction of the raw liquid supply means.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to fifth aspects, wherein the specification type of the nozzle is a circumferential direction with respect to the raw liquid circulation means. Injection angle, longitudinal injection angle with respect to the raw liquid circulation means, nozzle injection hole position, injection hole diameter, injection hole length, inclination of the transition aperture provided upstream of the injection hole At least one of the angle and the diameter of the opening upstream of the injection hole is different.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to sixth aspects, wherein the type of specification of the nozzle is a nozzle capable of adjusting an injection hole. It is set by.
  • the fine bubble liquid production apparatus is the seventh fine bubble liquid production apparatus, wherein the nozzle that can adjust the injection hole is capable of adjusting an injection direction of the injection hole.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to the seventh or eighth aspect, wherein the nozzle capable of adjusting the injection hole is a nozzle at the center line of the injection hole.
  • a rotation means that is rotatable with respect to the center line of the nozzle, and the injection hole comprises a through hole that penetrates the rotation means and communicates with the inside of the nozzle. The direction of the center line of the injection hole can be adjusted by changing.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to the ninth aspect, wherein the through hole communicates with the raw liquid circulation means provided inside the nozzle.
  • the fine bubble liquid production apparatus is characterized in that in the fine bubble liquid production apparatus according to any one of the first to tenth aspects, the nozzle can be replaced in units. To do.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to eleventh aspects, wherein the injection hole and / or the inner surface upstream of the injection hole is used. It is characterized by providing a spiral groove.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to twelfth aspects, wherein the fine bubbles are microbubbles, micronanobubbles, and nanobubbles. It is characterized by including at least one.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to thirteenth aspects, wherein the raw liquid is at least one of water, an aqueous solution, and fuel. It is characterized by being.
  • the fine bubble liquid production apparatus of the fifteenth aspect of the present invention is the fine bubble liquid production apparatus of the fourteenth aspect, wherein the fuel is at least one selected from gasoline, light oil, heavy oil, kerosene and ethanol. It is characterized by including.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to fifteenth aspects, wherein the gas is oxygen, ozone, hydrogen, nitrogen, air and water. It contains at least one of any gas generated by electrolysis of.
  • the fine bubble liquid production apparatus is the fine bubble liquid production apparatus according to any one of the first to sixteenth aspects, wherein the raw liquid is an aqueous solution containing 4% or more of bittern,
  • the gas is ozone, and the ozone concentration is 40 ppm or more for producing an ozone fine bubble liquid.
  • the fine bubble liquid manufacturing method comprises: Inlet means for supplying pressurized raw liquid; A raw liquid distribution means for distributing the pressurized raw liquid; Gas supply means for supplying gas to the raw liquid circulation means; A plurality of nozzles provided along the raw liquid circulation means and having injection holes for injecting the pressurized raw liquid supplied from the inlet means; Outlet means for taking out the fine bubble liquid generated from the outlet of the raw liquid circulation means; A method for producing a fine bubble liquid using The plurality of nozzles are attached to be exchangeable in a direction intersecting the raw liquid circulation means, A plurality of types of nozzles are prepared in advance as the nozzle, At least one of the plurality of nozzles is selected from the pre-prepared nozzles; Specifications of the selected nozzle, the arrangement of the nozzles, the number of nozzles, the pressure of the supplied raw liquid supplied from the inlet means, the original by the pressurizing means for supplying the raw liquid to the inlet means Depending on at least one of
  • the fine bubble liquid according to the nineteenth aspect of the present invention is manufactured by the fine bubble liquid manufacturing method according to the eighteenth aspect, and the particle diameter of the fine bubbles can be adjusted according to the specifications of the nozzle.
  • the fine bubble liquid according to a twentieth aspect of the present invention is the fine bubble liquid according to the nineteenth aspect, wherein the raw liquid is water, and the gas is oxygen, ozone, hydrogen, nitrogen, carbon dioxide, air, It contains at least one of a gas generated by electrolysis of water or an oxyhydrogen gas.
  • the ozone microbubble liquid according to the twenty-first aspect of the present invention is produced by generating ozone microbubbles containing nanobubbles in a raw liquid containing 4% or more bittern, contains 40 ppm or more of ozone, and has a bactericidal action. It is characterized by that.
  • the configuration for mounting or fixing the nozzle is simple, and the arrangement and specifications of the nozzle can be adjusted or changed. Therefore, a fine bubble liquid production apparatus, a fine bubble liquid production method, and a fine bubble liquid that can produce a fine bubble liquid containing fine bubbles having a desired particle diameter are obtained.
  • the nozzle specifications, the nozzle arrangement, the number of nozzles, the pressure of the supplied raw liquid supplied from the inlet means, the supply amount of the raw fluid by the pressurizing means for supplying the raw liquid to the inlet means It is possible to adjust the particle size of the fine bubble liquid to be produced by at least one of the number of times the raw fluid is circulated by the pressure means, the pressure of the gas supply means, and the amount of gas supplied by the gas supply means. is there.
  • FIG. 2A is a schematic cross-sectional view of a fine bubble generating portion common to each embodiment
  • FIG. 2B is an enlarged cross-sectional view of a IIB portion of FIG. 3A is an enlarged bottom view of one nozzle 108 of FIG. 2A
  • FIG. 3B is a cross-sectional view taken along the line IIIB-IIIB of FIG. 3A. It is an expanded sectional view of the other nozzle of Drawing 2A.
  • FIG. 5B is a cross-sectional view taken along the line VV in FIG. 6A is a bottom view of the nozzle 160 according to the third embodiment, FIG.
  • FIG. 6B is a sectional view taken along the line VIB-VIB of FIG. 6A
  • FIG. 6C is a bottom view of another nozzle 160A according to the third embodiment.
  • FIG. 6E is a VID-VID cross-sectional view of FIG. 6C
  • FIG. 6E is a bottom view of a nozzle 160B of still another specification of Embodiment 3
  • FIG. 6F is a VIF-VIF cross-sectional view of FIG. 6 is a schematic cross-sectional view of a unit according to Embodiment 4.
  • FIG. It is a schematic cross section of the microbubble generation part of a prior art example. It is a model expanded sectional view of the nozzle fixing
  • FIG. 1 is a block diagram of a fine bubble liquid production apparatus common to the embodiments.
  • the fine bubble liquid manufacturing apparatus 10 common to each embodiment includes a storage tank 12, a fine bubble generation unit 100, and a processing gas generation unit 20.
  • the storage tank 12 is a container for storing a fine bubble liquid in the middle of manufacture until a desired fine bubble concentration is reached, and a closed container or an open container is used depending on the characteristics of the fine bubble liquid. can do. When a sealed container is used, the inside of the storage tank 12 can be pressurized to a predetermined pressure as necessary.
  • Such a storage tank 12 is used when the desired fine bubble concentration is high, and the liquid to be treated is fine bubbles when the liquid to be treated is not passed through the fine bubble generating unit 100 and the desired fine bubble concentration is not obtained.
  • a desired fine bubble concentration is achieved by circulating the generator 100 a predetermined number of times.
  • the number of times the liquid to be processed is circulated through the fine bubble generating unit 100 is converted by the time obtained by dividing the amount of the processing liquid stored in the storage tank 12 by the supply amount of the liquid to be processed by the high-pressure pump 16.
  • the time obtained by dividing the amount of the processing liquid stored in the storage tank 12 by the supply amount of the liquid to be processed by the high-pressure pump 16 corresponds to one time of circulating the liquid to be processed through the fine bubble generating unit 100. .
  • the time corresponding to one time of circulating the liquid to be processed through the fine bubble generating unit 100 is set to several tens of minutes to several hours, for example. It should be noted that this is not always necessary when the desired fine bubble concentration is low and the liquid to be treated is once passed through the fine bubble generating unit 100 to obtain the desired fine bubble concentration.
  • the liquid to be treated initially injected into the storage tank 12 is pressurized by the high-pressure pump 16 through the circulation pipe 14 and supplied to the fine bubble generating unit 100 through the introduction connecting pipe 18.
  • the high pressure pump 16 For example, a diaphragm pump is used.
  • the supply amount by the high-pressure pump is set to about 2 to 20 L / min, preferably about 5 to 10 L / min.
  • the liquid to be treated is pressurized by the high pressure pump 16 to about 1 MPa to 100 MPa, for example, preferably about 3 MPa to 40 MPa.
  • the particle size and concentration of the fine bubbles can be adjusted by setting the pressure of the high-pressure pump 16. Also, the particle size and concentration of the fine bubbles can be adjusted by setting the supply amount by the high-pressure pump 16.
  • the driving source of the diaphragm pump is not particularly limited. For example, an electric motor of about 1.0 kW to 5.5 kW, for example, a three-phase 200V can be used.
  • the gas to be microbubbled generated by the processing gas generation unit 20 is supplied to the microbubble generation unit 100, where a microbubble liquid in which the microbubbled gas is dispersed in the liquid to be processed is prepared.
  • the gas generated by the processing gas generation unit 20 is supplied to the fine bubble generation unit 100, for example, at a pressure of 1 MPa or less, preferably about 0.2 MPa to 0.5 MPa, or by a self-suction force of a Venturi tube shape. .
  • the gas supply rate can be about 0.5 to 5 L / min, for example, 1 L / min. It is also possible to adjust the particle size and concentration of the fine bubbles by setting the gas supply pressure and / or the gas supply amount.
  • the obtained fine bubble liquid is returned to the storage tank 12 through the discharge connecting pipe 22.
  • This operation is continuously circulated until the fine bubble concentration in the fine bubble liquid in the storage tank 12 reaches a desired concentration. That is, the concentration of the fine bubble liquid can be adjusted by adjusting the circulation process.
  • the fine bubble liquid in the storage tank 12 is collected by the collection pipe 24 and the low-pressure pump 26, and the product is stored through the supply pipe 28. It is supplied to the tank 29.
  • the fine bubble liquid supplied to the product storage tank 29 is shipped as a product through an inspection process and a container sealing process.
  • each pipe, the storage tank, the part where the liquid of each pump comes into contact, and the part where the liquid of the fine bubble generating part comes into contact are lined with, for example, fluororesin.
  • fluororesin for example, fluororesin
  • all the parts are formed of fluororesin
  • all the inner surfaces of each part are formed of fluororesin, or are lined with fluororesin.
  • fluororesin examples include polytetrafluoroethylene (PTFE), polychlorotrifluoroethylene (PCTFE), perfluoroalkoxy fluororesin (PFA), tetrafluoroethylene / hexafluoropropylene copolymer (FEP), ethylene Tetrafluoroethylene copolymer (ETFE), ethylene / chlorotrifluoroethylene copolymer (ECTFE), or the like can be used.
  • PTFE polytetrafluoroethylene
  • PCTFE polychlorotrifluoroethylene
  • PFA perfluoroalkoxy fluororesin
  • FEP tetrafluoroethylene / hexafluoropropylene copolymer
  • ETFE ethylene Tetrafluoroethylene copolymer
  • ECTFE chlorotrifluoroethylene copolymer
  • FIGS. 2A and 2B are schematic cross-sectional views of the fine bubble generating unit 100 of FIG. 2B is an enlarged cross-sectional view of the IIB portion of FIG. 2A.
  • FIGS. 2A and 2B are schematic cross-sectional views of the fine bubble generating unit 100 of FIG. 2B is an enlarged cross-sectional view of the IIB portion of FIG. 2A.
  • water is used as the liquid to be treated.
  • the fine bubble generating unit 100 has a cylindrical main pipe 102 having a flow path through which water flows, a discharge pipe 106 for discharging water from the main pipe 102, and a main pipe for injecting water into the main pipe 102.
  • a gas nozzle 114 that sends gas to the main body 112 and a container member 116 that covers and holds the main pipe 102 are mainly configured.
  • the water that has not been discharged from the main pipe 102 to the discharge pipe 106 is discharged from the relief pipe 104 to which a relief valve (not shown) is connected.
  • gas to be microbubbled hydrogen, air, gas generated by electrolysis of water or oxyhydrogen gas, oxygen, ozone, nitrogen, carbon dioxide, etc. (all include mixed gas) are used for applications. It is appropriately selected and used accordingly.
  • hydrogen, air, oxygen, carbon dioxide, or the like is used as the gas for forming fine bubbles, the gas can be used for beverages.
  • ozone, carbon dioxide, or the like is used as the gas to be microbubbled, it can be used for cleaning.
  • the main pipe 102 is a relatively thick and thick round pipe, and is formed by cutting using, for example, a metal material.
  • the main tube 102 is provided with a recess in the central portion on the outer periphery in the longitudinal direction, and forms a space 120 with an outer cylinder 118 (described later) covering the outer periphery of the main tube 102.
  • Each nozzle nozzle 108, 110 has a male screw portion formed around it, and is screwed into a corresponding female screw portion provided in the main tube 102 in a sealed state.
  • the circumferential positions of a set of nozzles and an adjacent set of nozzles are shifted by, for example, about 60 degrees.
  • a figure drawn in a circle or an ellipse in a portion corresponding to the circulation space 126 in FIG. 2 schematically shows the arrangement of the nozzles.
  • the three nozzles 110 as a set closest to the relief pipe 104 are also screwed from the space 120 perpendicularly toward the center line of the main pipe 102, like the other nozzles 108. Since the portion 110 h is provided with a predetermined injection angle ⁇ 1 (see FIG. 4) inclined with respect to the center line of the circulation space 126, the liquid ejected by the nozzle 110 travels with respect to the axis of the main pipe 102. It is jetted obliquely along the direction.
  • the mounting angles of the nozzles 108 and 110 have been described as being perpendicular to the center line of the main pipe 102 from the viewpoint of simplifying the mounting structure.
  • all the nozzles 108 and 110 are connected to the main line 102.
  • the nozzle 102 is not limited to be vertically mounted toward the center line of the tube 102, and if necessary, one or a plurality of nozzles 108, 110 are inclined in the direction from the upstream to the downstream of the below-described circulation space 126. It is also possible to provide it.
  • the injection angle ⁇ 1 can be set as appropriate, but can be set to about 45 ° to 75 °, for example, about 60 °.
  • these nozzles 108 and 110 do not have to be the same.
  • at least one of these nozzles 108, 110 can have a different diameter than the others.
  • water may be supplied from another pressurizing means to nozzles having different diameters.
  • the set pressure of the pump as the pressurizing means is set to a predetermined pressure, and the set pressure may be the same as or different from the others.
  • the rod member 112 is a round bar-like member, and is accommodated inside the main tube 102 so that the center line substantially coincides with the main tube 102.
  • the rod member 112 has a length longer than that of the main tube 102 and is inserted so that both ends thereof protrude from both end surfaces of the main tube 102.
  • the rod member 112 has an outer diameter that is thinner than the inner diameter of the main tube 102.
  • the rod member 112 is arranged so that the center line of the main pipe 102 and the center line of the rod member 112 substantially coincide with the internal space of the main pipe 102 by a plurality of set screws 122. Has been placed.
  • the rod member 112 is composed of an elongated hollow rod 128 and a solid rod 130 having substantially the same outer diameter.
  • the hollow rod 128 and the solid rod 130 are not cross-sectional views, and the hollow portion 136 of the hollow rod 128 is schematically drawn with a dotted line.
  • the hollow rod 128 and the solid rod 130 are sealed by a female screw portion 132 (see FIG. 2B) at the tip of the hollow rod 128 and a male screw portion 134 (see FIG. 2B) at the tip of the solid rod 130. Are screwed together.
  • the hollow rod 128 is disposed on the upstream side of the water flow inside the main pipe 102 (on the right side in FIGS.
  • the hollow rod 128 is a bottomed cylindrical round bar provided with a hollow portion 136 along the center line thereof, and the bottomed side is used with the upstream side (the right side in FIG. 2).
  • the main pipe 102 and the rod member constitute the raw liquid circulation means of the present invention.
  • the hollow rod 128 and the solid rod 130 are formed as separate bodies and integrated by the female screw portion 132 and the male screw portion 134, but the present invention is not limited to this.
  • the hollow rod 128 and the solid rod 130 can be integrally formed.
  • a female threaded portion 132 is provided on the open end side of the hollow rod 128 and is screwed into the male threaded portion 134 of the solid rod 130.
  • the hollow rod 128 is provided with a through hole 142 on the bottomed side so as to be substantially perpendicular to the center line, and a female screw for pipe is provided on the inner periphery of the through hole 142.
  • a gas nozzle 114 having a pipe male screw provided at the tip thereof is screwed into the pipe female screw and the gas supplied from the processing gas generating unit is wetted, and then the pipe 138 is connected to the hollow part 136. Is being fed through.
  • the relief pipe 104 is provided with a plurality of small-diameter stop holes (not shown) on the outer peripheral surface on the right side of FIG. 2A from the through hole 142 so as to be substantially perpendicular to the center line of the relief pipe 104.
  • the retaining hole is provided with a female pipe thread.
  • the container member 116 is mainly composed of a pipe-shaped outer cylinder 118 that covers the outer periphery of the main pipe 102 in close contact with each other, and a pair of side walls 140 that block both ends of the outer cylinder 118 that houses the main pipe 102.
  • the outer cylinder 118 has the same length as the main pipe 102 and has an inner diameter slightly larger than the outer diameter of the main pipe 102. Grooves are provided at both ends of the outer peripheral portion of the main tube 102 so as to sandwich the space 120 when the main tube 102 is stored in the outer cylinder 118, and each of the grooves is provided in each of the grooves.
  • An O-ring 144 is interposed.
  • a plurality of screw holes are provided on both end surfaces of the outer cylinder 118 that houses the main pipe 102, and bolts 148 are screwed into the screw holes so that both end surfaces of the outer cylinder 118 are provided on the both end surfaces.
  • the side wall 140 is screwed and both end surfaces of the outer cylinder 118 are closed.
  • the side wall 140 is a substantially disk-shaped member that covers the entire side surface of the outer cylinder 118.
  • a hole having substantially the same diameter as that of the relief pipe 104 or the discharge pipe 106 is formed in the central portion of the circle of the side wall 140.
  • a female screw for a pipe is provided in the hole, and the male screw provided in the relief pipe 104 or the discharge pipe 106 is screwed in a sealed state.
  • a method for generating fine bubbles by the fine bubble generating unit 100 will be described.
  • water pressurized to 7 MPa is fed into the space 120 from the pipe 146, and water is jetted from the opening of the nozzles 108, 110 protruding from the opening on the space 120 side of the nozzles 108, 110 into the flow space 126.
  • Most of the injected water collides with the outer surface of the solid rod 130 or the hollow rod 128.
  • a predetermined gas having a pressure of 0.5 MPa or less, for example, may be supplied from the gas nozzle 114 to the hollow portion 136 of the hollow rod 128.
  • the injected gas is jetted from the ejection hole 124 into the water flowing through the circulation space 126.
  • the nozzle 110 located on the most upstream side (right side in FIG. 2A) is configured to inject water obliquely toward the downstream side, water flows from the right to the left in FIG. 2A in the circulation space 126. Thereby, the water containing fine bubbles is sent out from the right to the left.
  • the thickness of the circulation space 126 (the difference between the inner diameter of the main tube 102 and the outer diameter of the solid rod 130 (radius difference)) can be adjusted as appropriate in order to make the generation of fine bubbles more efficient.
  • the arrangement of the nozzles 110 and the arrangement of the adjacent pairs of nozzles 108 are shifted by 60 degrees, so that a water flow that causes stirring is generated, thereby generating bubbles. Is further refined.
  • the water containing bubbles pushed away to the downstream side is further refined by a jet that collides with the solid rod 130 by the three nozzles 108 in the adjacent group, and is pushed downstream.
  • a jet that collides with the solid rod 130 by the three nozzles 108 in the adjacent group, and is pushed downstream.
  • the combination can be used to adjust the particle size and concentration of the fine bubbles.
  • the adjustment of the particle diameter of the fine bubbles includes adjustment of the distribution of the number of fine bubbles according to the particle diameter of the fine bubbles (for example, the ratio of the number of microbubbles, micronanobubbles, and nanobubbles).
  • the configuration of the nozzles 108 and 110 according to the first embodiment will be described with reference to FIGS.
  • the first embodiment shows an example in which the injection angle ⁇ 1 (see FIG. 4) of the injection unit 108 h of the nozzles 108 and 110 can be adjusted.
  • the nozzle 108 and the nozzle 110 are different from each other only in the injection angle ⁇ 1 (see FIG. 4) of the injection unit 108 h with respect to the center line of the circulation space 126, and the others are substantially the same in configuration, and therefore mainly the nozzle A representative example will be described.
  • the same components as the branch numbers 108a to 108n of the nozzle 108 with respect to the nozzle 110 will be used, and detailed descriptions thereof may be omitted as necessary.
  • . 2B is an enlarged cross-sectional view of the IIB portion of FIG. 2A.
  • 3A is an enlarged bottom view of one nozzle 108 of FIG. 2A
  • FIG. 3B is a cross-sectional view taken along the line IIIB-IIIB of FIG.
  • FIG. 4 is an enlarged cross-sectional view of the other nozzle 110 of FIG. 2A.
  • these parts which comprise the nozzles 108 and 110 are not specifically limited, Preferably they are formed with a fluororesin.
  • the fluororesin any of the fluororesins described above can be used, but polytetrafluoroethylene (PTFE) is preferably used.
  • PTFE polytetrafluoroethylene
  • the nozzle 108 will be described in detail with reference to FIGS. 3A and 3B.
  • the nozzle 108 includes a substantially cylindrical nozzle outer cylinder 108a and a nozzle main body 108f provided on the inner peripheral side of the nozzle outer cylinder 108a.
  • a liquid is passed through the inner peripheral side of the nozzle outer cylinder 108a, and an opening 108b having a substantially circular cross section and a diameter D1 with respect to the center line of the nozzle outer cylinder 108a (dashed line in FIG. 3B). Is provided.
  • the opening 108b corresponds to a “large-diameter opening” according to an embodiment of the present invention.
  • a male threaded portion 108s is provided on the outer surface of the nozzle outer cylinder 108a, and the nozzle 108 is engaged by screwing the nozzle outer cylinder 108a into a female threaded portion formed in the main tube 102 in a sealed state. Fixed to the main tube 102. At the time of fixing, for example, the tip of a minus driver can be inserted into the fixing groove 108r. An escape portion 108q where no screw is formed is provided on the flange 108c side of the male screw portion 108s.
  • the center line of the injection hole 108j (the one-dot chain line in FIG. 3 coincides with the center line of the nozzle outer cylinder 108a of the nozzle 108) as set. It is adjusted to face the direction. Marks for positioning the nozzle 108 in the circumferential direction can be provided around the female screw portion in the concave portion of the main tube 102 and the outer peripheral portion of the flange 108c of the nozzle 108. Thereby, the operation of screwing the nozzle 108 into the main tube 102 can be performed easily and precisely.
  • a flange 108c is formed for positioning in the direction of the center line (one-dot chain line in FIG. 3A) of the nozzle outer cylinder 108a when attached to the main pipe 102.
  • a cutout hole 108d having a substantially conical cross section along the center line (the chain line in FIG. 3A) is formed.
  • a substantially spherical nozzle body fixing opening 108e having a maximum diameter D2 is formed at a position corresponding to the bottom of the conical cutout hole 108d, rather than the diameter D1 of the opening 108b.
  • a member composed of the nozzle outer cylinder 108a and the flange 108c is divided into at least two along the center line (see the one-dot chain line in FIG. 3).
  • the spherical rotating portion 108g is fitted into the spherical nozzle body fixing opening 108e in the one divided member so that the injection portion 108h faces a predetermined direction.
  • the nozzle outer cylinders 108a it is also possible to fix the nozzle outer cylinders 108a to each other with an adhesive.
  • the spherical rotating portion 108g of the nozzle body 108f which is rotatably fitted in the nozzle body fixing opening 108e of the nozzle outer cylinder 108a, is firmly integrated with the nozzle outer cylinder 108a and the flange 108c. Fixed to.
  • the spherical rotating portion 108g of the nozzle main body 108f is inserted from the front end side of the nozzle outer cylinder 108a to the nozzle main body fixing hole 108e.
  • the rotating part 108g having the diameter D2 can pass through the minimum diameter part of the notch hole 108d.
  • the maximum diameter of the nozzle body fixing opening 108e is slightly larger than D2, the spherical rotating portion 108g of the nozzle body 108f can rotate within the nozzle body fixing opening 108e.
  • the injection unit 108h can be set to face a predetermined direction. Once the injection unit 108h is set to face a predetermined direction, the nut member 108p is next screwed and fixed from the tip end side of the nozzle outer tube 108a to the flange 108c. By screwing the nut member 108p into the flange 108c, the minimum diameter of the notch hole 108d is smaller than D2, and the maximum diameter of the nozzle body fixing hole 108e is reduced to be substantially equal to D2. Therefore, the spherical rotating portion 108g of the nozzle body 108f is firmly and integrally fixed in the nozzle body fixing hole 108e.
  • the spherical rotating portion 108g moves around the center line of the nozzle (the one-dot chain line in FIG. 3A) until the wall portion of the conical cutout hole 108d of the nozzle outer cylinder 108a contacts the tip or root of the injection portion 108h. It can be rotated.
  • the diameter D4 of the conical opening 108k of the nozzle body 108f, the diameter D1 of the opening 108b of the nozzle outer cylinder 108a, and the angle ⁇ the injection of the nozzle body 108f is performed.
  • a cylindrical opening 108i having a predetermined diameter D5 is provided from the top of the conical opening 108k of the nozzle body 108f toward the injection unit 108h to the vicinity of the injection unit 108h.
  • An injection hole 108j having a predetermined length L1 and a predetermined diameter D6 is provided in the inside of 108h from the tip side of the nozzle, and a transition opening whose diameter gradually decreases between the cylindrical opening 108i and the injection hole 108j. 108n.
  • the angle ⁇ in the transition hole 108n is set to about 30 ° to 90 °, and can be preferably 45 ° to 60 °, for example.
  • the dimensions of the diameter D5 and the diameter D6 are selected according to the size and concentration of the fine bubbles to be generated.
  • the diameter D5 is preferably about 3 to 20 times the diameter D6, and more preferably, the diameter D5 can be about 5 to 10 times the diameter D6.
  • the cylindrical opening 108i corresponds to the medium-diameter opening of one embodiment of the present invention.
  • the nozzle 110 will be described with reference to FIG.
  • the nozzle 108h of the nozzle body 108f is tilted by a predetermined angle to the left in the drawing, and the center line of the circulation space 126 (the thick white area in FIG. 4). 4), the center line of the injection hole 110j (the one-dot chain line that is inclined at an angle of ⁇ 1 in FIG. 4) is inclined by ⁇ 1 , and other configurations are substantially the same as those of the nozzle 108. It has the composition of.
  • the position of the injection unit 110h is firmly and integrally fixed by an appropriate means.
  • the nozzle of the 2 types of specification prepared beforehand for using with the fine bubble liquid manufacturing apparatus 10 of Embodiment 1 is obtained.
  • the shape of the rotating portion 108g has been described as a spherical shape here, the shape of the rotating portion 108g is not limited to a spherical shape in the present invention, and may be, for example, an egg shape or a cylindrical shape. It is.
  • the nozzle 108 ejects liquid in a direction perpendicular to the center line of the main tube 102 even if each of the nozzles 108 and 110 is screwed into the main tube 102 substantially vertically.
  • the nozzle 110 can eject the liquid in a direction inclined with respect to the center line of the main tube 102.
  • the injection angle ⁇ 1 with respect to the center line of the circulation space 126 (the thick white arrow in FIG. 4) can be adjusted in each nozzle 108, 110, the mounting angle of all the nozzles 108, 110 with respect to the main pipe 102 is Since it can be perpendicular to the center line of the main pipe 102 (thick white arrow in FIG. 4), it is possible to prevent the mounting structure of the nozzles 108 and 110 from being attached to the main pipe 102 from becoming complicated. Therefore, the design and manufacture of the main pipe 102 can be simplified and the versatility of the main pipe 102 can be improved.
  • FIG. 5 shows a case where the nozzles 108 and 110 of the second embodiment in which the liquid ejection directions of the nozzles 108 and 110 are shifted from the center line of the main tube 102 are used. It explains using. 5 is a cross-sectional view taken along the line VV in FIG. 2A.
  • the same components as those described in FIGS. 1 to 4 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the nozzle 108 used in the second embodiment has a direction in which the water injection direction deviates from the direction toward the center line of the main pipe 102 or the solid rod 130 as indicated by an arrow in FIG. . If the center line of the injection portion 108h of the nozzle 108 is shifted in the radial direction and the circumferential direction of the main pipe 102 (see the arrow in FIG. 5), the water injection direction is shifted in the circumferential direction.
  • the angle of collision with the solid rod 130 can be adjusted. Thereby, it is possible to generate a jet flow in which the jetted water turns around the solid rod 130 in a predetermined direction.
  • the center line of the circulation space 126 of the injection units 108h and 110h (the direction of the center line of the main pipe 102)
  • the injection angle ⁇ 1 with respect to the thick white arrow in FIG. 4 may be adjusted in the range of 0 ° ⁇ ⁇ 1 ⁇ 180 °.
  • the injection angles ⁇ 1 and ⁇ 2 can be adjusted as appropriate, and fine bubbles having a desired particle diameter can be generated.
  • the nozzles 160, 160A, and 160B of the third embodiment include, for example, the diameter D6 of the injection hole 160h, the length L1 of the injection hole 160h, the diameter D5 of the opening 160f, the shape of the transition opening 160g, A plurality of types having different specifications of the size, the angle ⁇ , and the angles ⁇ 1 and ⁇ 2 of the injection hole 160h with respect to the center line of the circulation space 126 are prepared.
  • FIG. 6 illustrates three types of nozzles 160, 160A, and 160B having different specifications.
  • 6A is a bottom view of the nozzle 160 according to the third embodiment
  • FIG. 6B is a sectional view taken along the line VIB-VIB of FIG. 6A
  • FIG. 6C is a bottom view of another nozzle 160A according to the third embodiment.
  • FIG. 6E is a VID-VID cross-sectional view of FIG. 6C
  • FIG. 6E is a bottom view of a nozzle 160B of still another specification of Embodiment 3
  • FIG. 6F is a VIF-VIF cross-sectional view of FIG.
  • the nozzles 160, 160A, and 160B of the third embodiment are different from the nozzles 108 and 110 of the first and second embodiments in that the spherical rotating portions 108g and 110g are not provided, and the spherical rotating portions 108g and 110g are not provided.
  • the nozzle outer cylinders 108a and 110a are different in that they are substantially integrated.
  • the nozzles 160, 160A, and 160B of the third embodiment will be described in detail.
  • the nozzles 160, 160A, and 160B have a nozzle cylinder portion 160a and a flange 160b.
  • a male screw portion 160d is provided on the outer surface of the nozzle tube portion 160a, and the nozzle tube portion 160a is screwed into a female screw portion formed in the main tube 102 in a sealed state, whereby the nozzle 160, 160A and 160B are fixed to the main pipe 102.
  • the flange 160b is provided with a fixing groove 160c. When the nozzles 160, 160A, 160B are fixed, for example, the tip of a minus driver can be inserted into the fixing groove 160c.
  • An escape portion 160e where no screw is formed is provided on the flange 160b side of the male screw portion 160d.
  • a cylindrical opening 160f having a predetermined diameter D5 is provided from the center of the flange 160b toward the injection portion 160i of the nozzle cylinder portion 160a, and the inside of the injection portion 160i is from the tip end side of the nozzle.
  • a cylindrical injection hole 160h having a predetermined length L1 and a predetermined diameter D6 is provided, and a transition opening 160g in which the diameter is sequentially reduced is formed between the opening 160f and the injection hole 160h.
  • the angle ⁇ in the transition hole 160g is set to about 30 ° to 90 °, and can be preferably 45 ° to 60 °, for example.
  • the dimensions of the diameter D5 and the diameter D6 are selected according to the size and concentration of the fine bubbles to be generated.
  • the diameter D5 is preferably about 3 to 20 times the diameter D6, and more preferably, the diameter D5 can be about 5 to 10 times the diameter D6.
  • the raw liquid that has flowed in through the cylindrical opening 160f and the transition hole 160g are pressurized and injected from the injection hole 160h.
  • the lengths of the opening 160f and the injection hole 160h rectify the flow of the raw liquid passing through the opening 160f and the injection hole 160h so that the raw fluid discharged from the discharge hole is thin and straight. Those having a certain length are preferable.
  • the length L1 of the injection hole 160h is preferably at least three times the diameter D6 of the injection hole 160h, and it is not preferable that L1 is too long from the viewpoint of ease of manufacture. It is preferable to set to about 3 to 30 times D6, and more preferably, L1 is set to about 5 to 20 times D6.
  • the nozzle 160 and the nozzle 160A have substantially the same outer dimensions, the diameter D5 of the opening 160f and the angles ⁇ 1 and ⁇ 2 of the injection hole 160h, the diameters D6 and D6 ′ of the injection hole 160h, and the length L1 of the injection hole 160h.
  • L1 ′ and the transition apertures 160g have different angles ⁇ , ⁇ ′.
  • the nozzle 160B has substantially the same outer dimensions as the nozzle 160 and the nozzle 160A, and the nozzle 160B is different in that it does not have the opening 160f, the transition opening 160g, and the injection hole 160h.
  • the external dimensions of the nozzles 160, 160A, and 160B are set to be substantially the same as those of the nozzles 108 and 110 of the first and second embodiments.
  • the nut members 160p and 110p are provided so as to overlap the flange 108c, and in the nozzles 160, 160A and 160B of the third embodiment, the nut member 160j.
  • the present invention is not limited to this.
  • the nut member 160j may not be provided.
  • the outer dimensions are substantially the same as those of the nozzles 108 and 110 of the first and second embodiments by setting the thickness of the flange 160b to the thickness of the nut member 160j. It can be.
  • the nozzles 160, 160A, and 160B of the third embodiment are prepared in advance with a plurality of types of nozzles 160, 160A, and 160B having different specifications, and a desired nozzle among the plurality of types of nozzles 160, 160A, and 160B.
  • fine bubbles having a desired particle size can be generated.
  • the outer diameter dimensions of the nozzles 160, 160A, 160 of the third embodiment and the nozzles 108, 110 of the first and second embodiments are substantially the same, any of the nozzles of the first to third embodiments is used for the main pipe 102.
  • the versatility can be improved and the design and manufacture of the main pipe 102 can be simplified.
  • the nozzle 160 ⁇ / b> B is a nozzle that does not have the injection hole 160, it can be used to close the nozzle mounting hole provided in the main pipe 102.
  • the number and arrangement of the nozzles can be substantially adjusted, so that versatility can be improved and the degree of design freedom can be increased.
  • any of the nozzles 160, 160A, and 160B has a problem, maintenance can be easily performed by replacing the nozzle.
  • the outer dimensions of the nozzles 160, 160A, 160B do not necessarily need to match the outer dimensions of the nozzles 108, 110. That is, by preparing units according to the external dimensions of the nozzles 108, 110, 160, 160A, and 160B and replacing them for each unit, it is possible to improve versatility and increase the degree of design freedom. .
  • the lengths of the opening 160f and the injection hole 160h rectify the flow of the raw liquid that passes through the opening 160f and the injection hole 160h, and the raw fluid discharged from the discharge hole advances thinly and goes straight.
  • at least one of the opening 160f, the transition opening 160g, and the injection hole 160h is preferable.
  • a spiral groove may be provided on one inner peripheral side.
  • the injection hole 160h of the angle ⁇ 1 in the described nozzle 160,160A, 160B in FIG. 6, ⁇ 2 is common with 90 °, it is also possible to try to change this angle theta 1 and theta 2 is there.
  • the nozzles 160, 160A, each of the injection direction of the liquid 160B is such as toward a direction deviated from the (center of the solid rod 130 in the FIG. 5) the center line of the main tube 102, it is possible to try to change the angle theta 2.
  • the nozzles 108 and 110 of the first and second embodiments are used, for example, the diameter D6 of the injection hole 108j, the diameter D5 of the opening 108i, and the specifications such as the shape and size of the transition opening 108n are different. If a plurality of types are prepared, the desired nozzles 108 and 110 are selected from the plurality of types of nozzles 108 and 110 and attached to the main tube 102 for use. Can be generated.
  • nozzles 108, 110, 160, 160A, and 160B can be replaced together in units.
  • the nozzles 108, 110, 160, 160A, and 160B described in the first to third embodiments can be used.
  • the main pipe 102 can be used as a unit.
  • a unit to be replaced for example, a set of three nozzles 108 and 110 may be divided, and the set of three nozzles 108 and 110 may be replaced as a unit. Also good. Or as a unit to replace
  • FIG. 7 shows an example in which six nozzles 108 and 110 are formed as one unit. Each of the units U1 to U4 includes six nozzles 108 and 110.
  • any of the nozzles 108 and 110 described in the first to third embodiments may be adopted.
  • the main pipe 102 can be shared, the versatility of the main pipe 102 can be improved and the design and manufacturing of the main pipe 102 can be simplified.
  • the main pipe 102 is replaced in units as in the present embodiment, it is not always necessary to match the outer dimensions of the nozzles 108, 110, 160, 160A, and 160B. That is, by preparing units according to the external dimensions of the nozzles 108, 110, 160, 160A, and 160B and replacing them for each unit, it is possible to improve versatility and increase the degree of design freedom. .
  • the water includes normal water, pure water, purified water, and the like.
  • the liquid to be treated is not limited to water, and includes, for example, an aqueous solution and fuel.
  • the aqueous solution include an aqueous solution containing an organic substance or an inorganic substance (for example, an inorganic component using seawater as a raw material, bittern, fucoidan, or the like) with respect to water.
  • water or an aqueous solution is used as the liquid to be treated, it can be used as a beverage.
  • the fuel include gasoline, light oil, heavy oil, kerosene, and ethanol.
  • the liquid to be treated is fuel, the fuel can be reformed by using a fine bubble liquid.
  • a high concentration ozone-containing fine bubble liquid that can be used as a bactericidal agent is obtained.
  • the ozone concentration can be, for example, 100 ppm or more.
  • Bittern is added to increase the ozone concentration of the ozone-containing microbubble liquid, and the higher the bittern concentration, the higher the concentration of ozone, and the bittern concentration can be increased to 100%. is there. Even if the bittern concentration is less than 4%, it is possible to obtain an ozone-containing fine bubble liquid.
  • ozone-containing fine bubble liquid by adjusting the nozzle to generate ozone-containing fine bubble liquid, and the particle size of the ozone fine bubble can be set by adjusting the nozzle. .
  • ozone microbubbles including at least one of microbubbles, micronanobubbles, and nanobubbles.
  • the generated ozone-containing fine bubble liquid has a bactericidal action even when the ozone gas concentration of the ozone fine bubble liquid is, for example, 100 ppm or more and is diluted to 4 ppm or less.
  • the bubble liquid has an ozone gas concentration of 4 ppm or more after frozen storage for more than one year, and the ozone microbubble liquid has odor component decomposition action and antiviral action in addition to bactericidal action, and is used with, for example, an ultrasonic scaler. It is also effective for oral care and the like used as a gargle.
  • the ozone fine bubble liquid is also effective for semiconductor cleaning and the like.
  • Pseudomonas aeruginosa Pseudonomas aeruginosa
  • Pg bacteria as periodontal disease pathogenic bacteria
  • Pi fungus Prevotella intermedia
  • Aa fungus Aggregatibacter actinomycetemcomitans
  • Fn fungus Fusobacterium nucleatum
  • Streptococcus mutans as a cariogenic bacterium (Streptococcus mutans) Play.
  • the number of nozzles has been described as having three nozzles per group and six of them, but the present invention is not limited to this, and the number of nozzles included in the group and The number of sets is arbitrary and can be appropriately selected according to the particle size of the fine bubbles to be generated.

Abstract

L'invention concerne : un dispositif de production de solution de microbulles de configuration simple d'attache ou de fixation de buses et dont l'agencement est facilement modifiable ; un procédé de production de solution de microbulles ; et une solution de microbulles générée par le procédé de production de solution de microbulles. Selon un mode de réalisation de la présente invention, le dispositif de production de solution de microbulles comprend un moyen d'entrée, un moyen de circulation de liquide source, un moyen d'alimentation en gaz, une pluralité de buses et un moyen de sortie, ledit dispositif étant caractérisé en ce que la pluralité de buses est fixée de manière interchangeable au moyen de circulation de liquide source dans une direction qui le croise, au moins une buse de la pluralité de buses est sélectionnée parmi celles d'une pluralité de types de spécifications déjà préparées, et le dispositif produit une solution de microbulles qui contient des microbulles ayant une taille de particule prédéterminée selon la spécification de la buse.
PCT/JP2019/000808 2018-06-08 2019-01-14 Dispositif et procédé de production de solution de microbulles et solution de microbulles d'ozone WO2019234962A1 (fr)

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CN201980038961.2A CN112261991B (zh) 2018-06-08 2019-01-14 微细气泡液制造装置、微细气泡液制造方法及臭氧微细气泡液
JP2019523127A JP6834072B2 (ja) 2018-06-08 2019-01-14 微細気泡液製造装置、微細気泡液製造方法及びオゾン微細気泡液
KR1020207036503A KR20210018305A (ko) 2018-06-08 2019-01-14 미세 기포액 제조 장치, 미세 기포액 제조 방법 및 오존 미세 기포액

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CN112261991A (zh) 2021-01-22
KR20210018305A (ko) 2021-02-17
JPWO2019234962A1 (ja) 2020-06-18
JP6834072B2 (ja) 2021-02-24

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