WO2007125996A1 - Unite d'amelioration de la qualite de l'eau et dispositif correspondant - Google Patents

Unite d'amelioration de la qualite de l'eau et dispositif correspondant Download PDF

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Publication number
WO2007125996A1
WO2007125996A1 PCT/JP2007/059058 JP2007059058W WO2007125996A1 WO 2007125996 A1 WO2007125996 A1 WO 2007125996A1 JP 2007059058 W JP2007059058 W JP 2007059058W WO 2007125996 A1 WO2007125996 A1 WO 2007125996A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
liquid
gas
water quality
pipe
Prior art date
Application number
PCT/JP2007/059058
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuhiko Fujisato
Original Assignee
Ikeda, Yoshiaki
Fujisato, Shuukou
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ikeda, Yoshiaki, Fujisato, Shuukou filed Critical Ikeda, Yoshiaki
Priority to JP2008513257A priority Critical patent/JP5193855B2/ja
Publication of WO2007125996A1 publication Critical patent/WO2007125996A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2326—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
    • 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
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • B01F25/104—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components characterised by the arrangement of the discharge opening
    • 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
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • the present invention in a live fish tank or a fish farm, etc., water is generated into a group of liquid bubbles (soap bubble-shaped bubble aggregate), thereby making the water and air highly efficient by forming a thin film.
  • the water quality can be improved by improving the dissolved gas ratio of oxygen gas and nitrogen gas that is liable to live in aquatic organisms, and at the same time, microbubbles are generated in the water to float in the water.
  • the present invention relates to a water quality improvement device and a water quality improvement device that can collect and collect organic matter such as feces and residual food on the surface of the water, suck and collect it, and improve the water quality to near transparent through filtration tanks such as physical filtration and biological filtration. .
  • An aeration apparatus that increases the circulating flow rate of treated water and improves air refinement performance (for example, see Patent Document 1).
  • a microbubble generator that generates microbubbles by colliding with a collision wall arranged on the downstream side of the pipe (for example, see Patent Document 2).
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2000-271591
  • Patent Document 2 Japanese Patent Laid-Open No. 2005-334869
  • Patent Document 1 has the following problems. Most aquatic organisms consume only oxygen gas dissolved in the water and survive, so increasing the contact area between water and air in conventional water, increasing the contact time, If the pressure is brought into contact with the air, it will dissolve in the water. There was a problem that the amount of nitrogen gas gradually increased.
  • microbubble generator technology described in Patent Document 2 causes microbubbles to be generated by causing gas-mixed water to collide with a plate in a pipe and pulverizing a gas mass by a rapid change in velocity and shearing action. Therefore, it is uneconomical because it requires large hydraulic energy, and the bubble diameter of the generated microbubbles is large. There was a problem that microbubbles could not be generated stably without fine adjustment of the supply amount.
  • the present invention solves the above-mentioned problems, and by simply supplying pressure water produced by a pump or the like to the liquid introduction hole of the water quality improver, a group of gas-liquid ejection holes and liquid bubbles facing upward is provided. (Soap bubble-shaped bubble aggregate), and by making the water into thin film water on the surface of the liquid bubble, it absorbs oxygen gas necessary for aquatic organisms by diffusion due to the concentration gradient according to the partial pressure of air, In addition, unnecessary dissolved gases (nitrogen, carbon dioxide, methane, etc.) can be released into the atmosphere to improve the water quality with a balanced dissolved gas for aquatic organisms.
  • unnecessary dissolved gases nitrogen, carbon dioxide, methane, etc.
  • the microbubbles can be stably generated in the water without adjusting the air supply volume from the gas-liquid jet holes facing downward, so feces, residual food, etc. floating in the water
  • Water quality improver and water quality that can improve the water quality with high transparency by allowing organic matter to float on the water surface and recover and decompose organic matter through filtration tanks such as physical filtration tanks and biological filtration tanks.
  • An object is to provide an improvement device.
  • the water quality improvement device includes a container (2) having a hollow portion formed substantially in a rotational symmetry and having a diameter reduced toward both axial directions of the rotational axis.
  • a liquid introduction hole (2a) that is opened in a tangential direction to the peripheral wall portion of the vessel body (2) and introduces a liquid; and the reduced diameter portions of both of the hollow portions in the axial direction of the rotational symmetry axis of the hollow portion.
  • This configuration has the following effects.
  • the pressure water jetted from the upward gas / liquid jet holes in the water quality improver placed in the water tank changes into a group of liquid bubbles in the liquid bubble generation container. Also, microbubbles can be generated in the water from the downward gas-liquid jet holes.
  • the central part of the framed pipe is provided with a slight gap in the negative pressure gas shaft formed in the body of the upward gas-liquid ejection hole central part.
  • the negative pressure of the gas shaft formed in the vessel increases in proportion to the pressure of the pressure water supplied from the liquid introduction hole increases, and forms in the vessel in proportion to the decrease. Since the negative pressure of the gas shaft is reduced, an appropriate amount of air is self-primedly supplied to the gas shaft without adjusting the amount of air sucked from the upper part of the pipe with the frame.
  • the width of the upper side of the suction pipe (12) attached to the suction side of the pump (P) is increased in a live fish tank or a seafood farm.
  • a vortex suction port (11) capable of sucking surface water from the inverted triangular suction port (13) and generating a vortex flow (WP) in the suction pipe (12), and the vortex flow suction port (11) Surface water can be sucked from the pump and passed through the filtration tank (ST), and the water can be converted to pressure water (PW), and the water quality improver of claim 1 from this pump (P)
  • a pipe for supplying the pressure water (PW) by connecting the liquid introduction hole (2a) of (1), and the water quality improver (1) according to claim 1, Yes.
  • This configuration has the following effects.
  • the surface water can be efficiently sucked to the pump side by the vortex suction port, even if the overflow method is not used.
  • Organic matter such as feces and residual bait that floats on the surface water of live fish tanks and seafood farms can be decomposed or adsorbed by passing through a filtration tank.
  • the water quality improver according to claim 1 of the present invention has the following effects.
  • FIG. 1 is a schematic cross-sectional view of a water quality improver 1 according to a first embodiment.
  • FIG. 2 When the water quality improver 1 of Embodiment 1 is operated by supplying pressure water to the water quality improver 1, 3] Schematic diagram showing the behavior of water, the generation of liquid bubbles and the generation of microbubbles.
  • Garden 3 Schematic diagram of vortex inlet 11 that can efficiently suck surface water in the tank.
  • Garden 4 Two types of tanks. In the WT arrangement, the water quality improvement device 1 of Embodiment 1 is installed, and the surface water of the tank is sucked using the vortex inlet 11 (a) and the surface water is sucked by overflow ( b) Schematic schematic diagram
  • Embodiment 1 The water quality improvement device and water quality improvement device in Embodiment 1 will be described below with reference to the drawings.
  • FIG. 1 is a schematic cross-sectional view of a water quality improver according to an embodiment of the present invention.
  • 1 is a water quality improver
  • 2 is formed to be substantially rotationally symmetric, and is reduced in diameter in the axial direction of the rotationally symmetric axis.
  • a container having a hollow part, 2a is a liquid introduction hole opened in a tangential direction to the peripheral wall part of the container 2, and 3 is opened in the direction of the axis of rotational symmetry of the hollow part and is formed in a vertically reduced diameter portion of the hollow part.
  • Figure 2 (a) shows the behavior of water in the water quality improvement device 1 and the generation state of microbubbles X2 and liquid bubbles X3 when pressure water is supplied to the liquid introduction hole 2a of the water quality improvement device 1 and operated.
  • FIG. 1 shows the behavior of water in the water quality improvement device 1 and the generation state of microbubbles X2 and liquid bubbles X3 when pressure water is supplied to the liquid introduction hole 2a of the water quality improvement device 1 and operated.
  • the water quality improvement device 1 used in this experiment was made of almost transparent material made of PVC and acrylic, and the dimensions of each part were 13.0mm for the inner diameter of the liquid introduction hole 2a, and 45.0mm for the inner diameter of the body 2.
  • the gas-liquid jet hole 3 has a hole diameter of 5.0 mm in both the upper and lower sides, the inner diameter of the pipe 4 with the frame is 2.2 mm, and the liquid foam generating container 6 is 88.0 mm from the portion connected to the vessel body 2 to the top.
  • the gap between the upward gas-liquid jet hole 3 and the framed pipe 4 is about 5 mm, and the portion of the body 2 in the figure is Japanese Patent No. 3682286 (fine bubbles) proposed by the applicant.
  • a microbubble generator manufactured by Bubble Tank Co., Ltd.). (Of course, it is possible to produce scale-up or scale-down other than the dimensions produced this time.)
  • the frame of the frame-equipped pipe 4 is fixed to a support part protruding from the outer periphery of the vessel body 2.
  • the pipe 4 with the frame is passed through the inside of the liquid foam generating container 6, opens the upper end to the upper side of the liquid foam generating container 6, and sucks ambient air by itself.
  • the water of the swirl flow W1 is changed to thin film water on the surface of the liquid bubble X3, and the efficiency of diffusion due to the concentration gradient according to the gas partial pressure of air is improved, which is necessary for underwater organisms.
  • Oxygen gas absorption efficiency is improved. Gas dissolved unnecessarily for aquatic organisms can be dissipated into the atmosphere as a dissipated gas X4 when the liquid bubble breaks down. Then, it is discharged from the treated water discharge port 7 as treated water SW.
  • the negative pressure liquid VW that is attracted by the negative pressure of the gas shaft XI generated in the vessel 2 and swung at high speed from the inside of the vessel 2
  • the air X collected on the gas axis XI placed between the swirling flow W2 and the exhausted swirling flow W2 is sheared into a microbubble X2 and discharged into the water together with the swirling flow W2.
  • the negative pressure of the gas shaft formed in the container becomes strong when the negative pressure of the gas shaft is weak and high. Due to this action, in the case of the water quality improver 1 having a diameter of 5.0 mm of the gas-liquid ejection hole 3, the distance H from the upward gas-liquid ejection hole 3 to the surface water is set, for example, when the pressure is low (0.02 MPa). When the pressure is high (0.04MPa), it is placed about 2cm, so that an appropriate amount of air can be kept in the body without adjusting the amount of air supplied from the top of the framed pipe 4. Self-primed by the gas shaft.
  • the diameters of the gas-liquid jet hole 3 are 6.5 mm and 8.0 mm, and the pressure of the pressure water PW is changed to produce a gas-liquid
  • the total amount of water discharged from both the upper and lower holes of the jet hole 3 was measured, and the liquid bubble generation behavior in the liquid bubble generating container 6 and the microbubble generation from the downward gas-liquid jet hole 3 to the water were observed.
  • the total water discharge per minute was 6.1 liters for the gas-liquid ejection hole diameter of 0.00 mm, 8.7 liters for 6.5 mm, and 9.5 liters for 8.0 mm.
  • pressure water PW with high pressure can be used from the above measured numerical values, liquid bubbles can be generated and microbubbles can be generated even if the upper and lower hole diameters of the gas-liquid ejection holes are increased, and the amount of treated water can be increased.
  • Air X can be self-primed from the top of the attached pipe 4, can generate a large amount of liquid bubbles in the liquid bubble generating container 6, and can generate microbubbles in the water from the downward gas-liquid jet holes 3 S What can I do?
  • pressure water PW of 0.06 MPa or more it can be operated simply by immersing the downward gas-liquid jet hole 3 in the water. It was found that it was suitable for the operation of
  • FIG. 2 (b) is an enlarged schematic diagram of the swirling flow W1 injected from the upward gas-liquid jet hole 3 into the liquid bubble X3 in the liquid bubble generating container 6, and the surface of the liquid bubble X3.
  • the thin film water absorbs ⁇ in the liquid bubble, and the gas (for example, N) that is unnecessarily dissolved in the thin film water on the surface of the liquid bubble X3 is diffused into the liquid bubble.
  • the figure below b) shows the liquid bubble X3 This is a magnified view of the thin film water on the surface of the surface, which shows the absorption and diffusion of gas, for example N.
  • FIG. 3 is a schematic diagram of a vortex suction port 11 that can efficiently suck surface water into a pump
  • 12 is a conical suction tube having a slightly larger diameter on the upper side
  • 13 is an upper side.
  • 14 is a water suction pipe connected to the suction side of the pump P
  • 15 is a water tank
  • WT efficiently sucks surface water
  • WP B is the width of the upper side of the suction port 13
  • G is a guard to prevent the fish and large foreign matter from being sucked into the pump P
  • KG A sucker rubber for fixing the flow inlet 11. (Even if the suction pipe 12 is cylindrical, vortex WP can be generated in the suction pipe 12.)
  • FIG. 4 shows a type in which the water quality improvement device 1 of Embodiment 1 is installed in the water tank WT, and the organic matter floating on the surface water by the microbubble X2 is sucked into the surface water using the vortex suction port 11. It is a schematic diagram of (a) and the type (b) which attracts
  • the vortex suction port 11 is an inverted triangular suction port 13 with a wide suction port B on the upper side in order to efficiently suck organic matter such as feces and residual food floating on the surface water into the pump.
  • organic matter such as feces and residual food floating on the surface water into the pump.
  • FIG. 3 is a schematic diagram of a water quality improvement device that can be suctioned in the direction and can pass through the filtration tank ST and improve the water quality by removing the organic matter in the water tank WT.
  • the filtration tank ST is placed at the bottom of the aquarium WT, and the water in the filtration tank ST is sucked by a pump to produce pressure water PW and connected to the water quality improver 1 located in the upper aquarium WT.
  • microbubbles X2 are generated in the aquarium WT, and are attached to organic matter such as feces and residual food as in (a) above, and float on the surface water by increasing buoyancy.
  • FIG. 3 is a schematic diagram of a water quality improvement device that can improve the water quality by dropping from one outlet OF to the lower filtration tank ST and passing through the filtration tank ST.
  • FIG. 5 shows a submersible pump U. in a relatively large tank WT to which additional water Wa is supplied.
  • FIG. 2 is a schematic diagram when water quality improver 1 is operated using P. (E is electric wire)
  • a submersible pump U.P is installed at the bottom of the water tank WT, and pressure water PW is supplied from the flexible hose 21 to the water quality improver 1 on the water surface.
  • pressure water PW is supplied from the flexible hose 21 to the water quality improver 1 on the water surface.
  • the submersible pump U.P and the water quality improver 1 can be separated from each other, so that the water in the hydrogen carbonate WT can be effectively convected.
  • (b) shows that when the water level in the tank WT does not fluctuate, the cylinder base 22 with the lower opening is installed at the bottom of the water tank WT, and the submersible pump UP is placed near the upper surface of the water tank to operate it. In this method, water is automatically sucked into the submersible pump UP from the lower opening of 2, and pressure water PW is supplied to the water quality improver 1.

Abstract

La présente invention concerne une unité (1) d'amélioration de la qualité de l'eau et un dispositif d'amélioration de la qualité de l'eau. Ladite unité et ledit dispositif augmentent la transparence de l'eau en éliminant les matières organiques flottant à la surface de l'eau à l'aide de microbulles (x2) fixées aux dites matières organiques et peuvent améliorer la qualité de l'eau en équilibrant les gaz dissous tels que l'azote et l'oxygène. L'unité d'amélioration de la qualité de l'eau comprend : un corps (2) pourvu d'une partie creuse de forme virtuellement symétrique par rapport à un axe de rotation, et dont le diamètre va en s'amenuisant dans les deux directions axiales de l'axe de rotation ; un orifice d'introduction de liquide percé dans la paroi périphérique du corps (2), dans une direction tangentielle ; des orifices verticaux (3) de projection de jet gaz-liquide disposés de sorte à s'ouvrir dans le sens vertical parallèlement à l'axe de rotation de la partie creuse et respectivement ménagés dans chacune des deux parties à diamètre réduit de la partie creuse ; un tuyau (4) support de châssis relié à l'orifice (3), un espace étant prévu entre ledit tuyau et ledit orifice ; et enfin un contenant (6) générant des bulles liquides connecté au côté supérieur du corps (2) de l'unité et chargé de transformer le liquide projeté à travers l'orifice (3) de projection de jet gaz-liquide dirigé vers le haut en agrégat de bulles liquides (X3)(agrégat de bulles de type bulles de savon).
PCT/JP2007/059058 2006-04-26 2007-04-26 Unite d'amelioration de la qualite de l'eau et dispositif correspondant WO2007125996A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008513257A JP5193855B2 (ja) 2006-04-26 2007-04-26 水質改善器及び水質改善装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-147427 2006-04-26
JP2006147427 2006-04-26

Publications (1)

Publication Number Publication Date
WO2007125996A1 true WO2007125996A1 (fr) 2007-11-08

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WO (1) WO2007125996A1 (fr)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
JP2009189308A (ja) * 2008-02-15 2009-08-27 Marukan:Kk 観賞魚水槽用濾過装置
JP2014083502A (ja) * 2012-10-24 2014-05-12 Shinko Sangyo Kk アルカリ水の中和処理装置
CN106215730A (zh) * 2016-08-05 2016-12-14 南京大学 微米气泡发生器
JP2017064590A (ja) * 2015-09-28 2017-04-06 有限会社イケダ商会 ガス溶解水生成装置
KR101834183B1 (ko) * 2016-04-15 2018-03-05 오우라코리아 주식회사 저에너지, 수류확산형 미세기포 발생장치
US10654732B2 (en) 2015-04-29 2020-05-19 Biotecam Assessoria E Desenvolvimento De Tecnologia Ambiental Ltda. Equipment and process for massive dissolution of gases in liquids

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JP7097531B1 (ja) 2021-06-10 2022-07-08 三菱電機ビルソリューションズ株式会社 エレベーターの管理システム

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WO2001097958A1 (fr) * 2000-06-23 2001-12-27 Ikeda, Yoshiaki Generateur de bulles d'air fines et dispositif de generation de bulles d'air fines muni de ce generateur
JP2002346547A (ja) * 2001-05-25 2002-12-03 Tekku Kogyo Kk 微細気泡発生装置
JP2003117368A (ja) * 2001-10-11 2003-04-22 Kyowa Eng Kk 気−液または液−液の混合器、混合装置、混合液製造法および微細気泡含有液製造法
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009189308A (ja) * 2008-02-15 2009-08-27 Marukan:Kk 観賞魚水槽用濾過装置
JP2014083502A (ja) * 2012-10-24 2014-05-12 Shinko Sangyo Kk アルカリ水の中和処理装置
US10654732B2 (en) 2015-04-29 2020-05-19 Biotecam Assessoria E Desenvolvimento De Tecnologia Ambiental Ltda. Equipment and process for massive dissolution of gases in liquids
JP2017064590A (ja) * 2015-09-28 2017-04-06 有限会社イケダ商会 ガス溶解水生成装置
KR101834183B1 (ko) * 2016-04-15 2018-03-05 오우라코리아 주식회사 저에너지, 수류확산형 미세기포 발생장치
CN106215730A (zh) * 2016-08-05 2016-12-14 南京大学 微米气泡发生器

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