WO2021192089A1 - Dispositif et procédé de traitement des eaux - Google Patents

Dispositif et procédé de traitement des eaux Download PDF

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Publication number
WO2021192089A1
WO2021192089A1 PCT/JP2020/013317 JP2020013317W WO2021192089A1 WO 2021192089 A1 WO2021192089 A1 WO 2021192089A1 JP 2020013317 W JP2020013317 W JP 2020013317W WO 2021192089 A1 WO2021192089 A1 WO 2021192089A1
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WO
WIPO (PCT)
Prior art keywords
water
water treatment
impact
container
treated
Prior art date
Application number
PCT/JP2020/013317
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English (en)
Japanese (ja)
Inventor
裕之 牛房
直司 村上
恭平 明田川
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2020/013317 priority Critical patent/WO2021192089A1/fr
Priority to JP2020545748A priority patent/JP6899968B1/ja
Publication of WO2021192089A1 publication Critical patent/WO2021192089A1/fr

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    • 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations

Definitions

  • This application relates to a water treatment apparatus and a water treatment method.
  • Patent Document 1 describes an isolation portion that separates a first liquid and a second liquid, and a shock wave generation portion that generates a shock wave that propagates from the first liquid through the isolation portion and propagates to the second liquid.
  • a purification device equipped with the above is disclosed.
  • a shock wave is generated in the first liquid by electric discharge between electrodes, and this shock wave generates bubbles due to cavitation in the second liquid, and the liquid is sterilized by the collapse of the bubbles. It is carried out.
  • the water stored in a container such as a water bottle loses the effect of chemicals such as chlorine with the passage of time, and is contaminated by oral bacteria and the like mixed during drinking.
  • the water stored in barrels, water tanks, etc. may be contaminated by microorganisms mixed in from the air.
  • the conventional sterilization method using a chemical or a fine film has a problem that management and maintenance are complicated. Therefore, there is a demand for a simple water treatment device capable of sterilizing the water in the container without using a chemical or a fine film.
  • the purification device includes a water tank, a bacterial cell container, a shock wave generation unit including an electrode unit, an electrode support portion, and the like, and has a problem that the device configuration is complicated and the device becomes large. Therefore, it is suitable for being installed in a fixed position to treat water.
  • the present application discloses a technique for solving the above-mentioned problems, and provides a water treatment apparatus and a water treatment method capable of sterilizing water in a container and easy to manage and maintain. With the goal.
  • the water treatment device disclosed in the present application is a water treatment device that sterilizes water to be treated stored in a container having an opening at one end, and is a lid member that is removable from the opening and seals the opening. It is provided with an impact applying portion for applying an impact to the water to be treated stored in the container, and sterilization is performed by the impact applied by the impact applying portion.
  • the water treatment method disclosed in the present application is a water treatment method for sterilizing water to be treated stored in a container having an opening at one end, in which the opening is formed by using a lid member that can be attached to and detached from the opening. It includes a sealing step of sealing, and an impact application step of applying an impact to the water to be treated stored in the container to sterilize the water after the sealing step.
  • the water to be treated is sterilized by applying an impact to the water to be treated by the impact applying portion, so that conventional water using a chemical or a fine film or the like is used. It is easier to manage and maintain than the processing equipment.
  • FIG. It is a perspective view which shows the water treatment apparatus in Embodiment 1.
  • FIG. It is a schematic diagram explaining the water treatment method by the water treatment apparatus in Embodiment 1.
  • FIG. It is a schematic diagram explaining the water treatment method by the water treatment apparatus in Embodiment 2.
  • FIG. 1 is a perspective view showing the water treatment apparatus according to the first embodiment
  • FIGS. 2 to 4 are views for explaining the water treatment method by the water treatment apparatus according to the first embodiment.
  • the same and corresponding parts are designated by the same reference numerals.
  • the water treatment device 1 in the first embodiment sterilizes the water to be treated 11 by utilizing cavitation generated in the water 11 to be treated by a shock wave due to an impact applied to the water to be treated 11. , A lid member 3, and an impact applying portion 4.
  • the container 2 for storing the water to be treated 11 has a substantially circular opening 2c at the end 2a, which is one end in the axial direction shown in FIG. 1A.
  • the lid member 3 is removable from the opening 2c and seals the opening 2c.
  • the shape of the container 2 is not limited to the cylindrical shape shown in FIG. 1, and various deformations are possible.
  • a material having high watertightness and impact resistance is preferable, and examples thereof include metals such as stainless steel and aluminum, synthetic resins such as polycarbonate and acrylic resin, and combinations thereof. Be done.
  • the impact applying portion 4 is detachably connected to the lid member 3 and is arranged at the end portion 2a of the container 2.
  • the impact applying portion 4 includes a valve 5, a piston 6 as a driving means, and an energy storage device 7, and at least a part of the impact applying portion 4 is integrally formed with the lid member 3.
  • the piston 6 and the energy storage device 7 are integrally formed with the lid member 3, and the valve 5 is included in the lid member 3 by being connected to the energy storage device 7. With such a configuration, the energy storage device 7 may be attached to the valve 5 only when the water to be treated 11 is sterilized.
  • the valve 5 of the impact applying portion 4 has a substantially cylindrical shape, and as shown in FIG. 2A, has a shock wave generating surface 5a at one end and an impact applying surface 5b at the other end.
  • the valve 5 is attached to one end 2a of the container 2 and closes the opening 2c. That is, the position of the shock wave generating surface 5a with respect to the container 2 is fixed.
  • a stepped portion 5c corresponding to the thickness dimension of the container 2 is formed below the peripheral surface of the valve 5, a stepped portion 5c corresponding to the thickness dimension of the container 2 is formed.
  • a packing such as an O-ring may be arranged on the step portion 5c in order to maintain the watertightness between the container 2 and the valve 5.
  • valve 5 that maintains the watertightness of the container 2 is not limited to this, and various modifications are possible.
  • a female threaded portion for attaching the valve 5 may be formed on the inner wall near the opening 2c of the container 2, and a male threaded portion corresponding to the female threaded portion may be formed on the outer peripheral surface of the valve 5.
  • the other end of the container 2 has a shock wave enhancing portion 8 that reflects a shock wave due to an impact applied to the water to be treated 11 and enhances or amplifies the shock wave.
  • a shock wave enhancing portion 8 that reflects a shock wave due to an impact applied to the water to be treated 11 and enhances or amplifies the shock wave.
  • the inner wall of the bottom portion 2b of the container 2 also serves as the shock wave enhancing portion 8.
  • the shock wave enhancing portion 8 may be a flat surface, or may be a curved surface having a parabolic curve in cross section, or a surface having irregularities.
  • the driving means of the impact applying unit 4 generates energy for applying an impact to the water to be treated 11, and is a non-electrified mechanism using human power, gravity, hydraulic power, wind power, or the like, or a motor driven by a battery. It is driven by an electrification mechanism such as, and generates energy.
  • a piston 6 is provided as a driving means, and energy is stored in the energy storage device 7 by reciprocating the piston 6.
  • the energy storage device 7 of the impact application unit 4 includes an energy storage mechanism 7a and an impact application mechanism 7b.
  • the energy storage mechanism 7a stores the energy generated by the piston 6 as potential energy, and the impact application mechanism 7b applies an impact to the water to be treated 11 via the valve 5.
  • the energy storage mechanism 7a includes a spring, a spiral spring, a ratchet structure, and the like, and has an energy storage state in which potential energy is stored and an energy release state in which potential energy becomes kinetic energy.
  • the elastic energy associated with the deformation of the spring is a type of potential energy.
  • the energy storage mechanism 7a switches from the energy storage state to the energy release state by a mechanical switch 7c (see FIG. 8).
  • the impact application mechanism 7b applies kinetic energy generated when the energy storage mechanism 7a changes from the energy storage state to the energy release state to the impact application surface 5b of the valve 5.
  • the impact (kinetic energy) applied to the impact application surface 5b of the valve 5 propagates inside the valve 5 and generates a shock wave from the impact wave generation surface 5a into the water to be treated 11.
  • the driving means is not limited to the piston 6, and may be any one that is driven by a non-electrified mechanism such as human power or gravity or an electrified mechanism with low energy to generate energy.
  • the energy storage mechanism 7a includes a royal fern (not shown)
  • a screw winding (not shown) is used as the driving means.
  • Elastic energy is stored by winding the royal fern of the energy storage mechanism 7a with a screw, and kinetic energy is generated when the wound royal fern is unwound.
  • the water to be treated 11 is stored in the container 2 having the opening 2c at one end (storage step). At this time, the amount of the water to be treated 11 is up to the scale 2d provided inside the container 2.
  • the position of the shock wave generation surface 5a of the valve 5 and the position of the water surface of the water to be treated 11 coincide with each other, and they come into contact with each other.
  • a window (not shown) made of a transparent member may be provided in a part of the container 2, and a scale may be provided on the window.
  • the water to be treated 11 stored in the container 2 contains microbubbles 12 containing a dissolved gas.
  • the lid member 3 includes a valve 5, a piston 6, and an energy storage device 7, which are impact applying portions 4, and a valve 5 having a shock wave generating surface 5a is attached to one end 2a of the container 2 to form an opening. Seal 2c. Further, as shown by an arrow B in the figure, the energy storage device 7 of the impact applying portion 4 is attached to the valve 5 from above.
  • the water to be treated 11 stored in the container 2 is sterilized by applying an impact to the impact applying portion 4 connected to the lid member 3 (impact application step).
  • an impact is applied to the water to be treated 11 in a state where the shock wave generating surface 5a is in contact with the water to be treated 11.
  • the energy storage device 7 is changed from the energy storage state to the energy release state by a switch, and an impact (kinetic energy) is applied to the impact application surface 5b of the valve 5.
  • the first shock wave 13 is generated from the shock wave generation surface 5a due to the shock applied to the valve 5. As shown in FIG. 2B, the first shock wave 13 propagates in the water to be treated 11 and causes the generation and disappearance of fine bubbles due to cavitation in the water to be treated 11. The first shock wave 13 that has reached the bottom 2b of the container 2 is reflected by the shock wave enhancing unit 8 and propagates in the water to be treated 11 again.
  • the microbubbles 12 When the first shock wave 13 is transmitted to the microbubbles 12, the microbubbles 12 are instantaneously compressed, and a second shock wave 14 due to bubble collapse is generated from the extinct microbubbles 12a.
  • the second shock wave 14 collides with fungi such as Escherichia coli, microorganisms, viruses, etc. in the water to be treated 11 to sterilize the water to be treated 11. That is, the larger the energy of the first shock wave 13 and the larger the number of microbubbles 12 contained in the water to be treated 11, the higher the bactericidal effect.
  • the stirring step of the water to be treated 11 may be performed after the storage step to increase the number of microbubbles 12 contained in the water to be treated 11. As a result, more second shock waves 14 due to bubble collapse can be generated.
  • the opening 2c of the container 2 is arranged upward and the shock wave is generated on the water surface of the water to be treated 11. An impact is applied with the surfaces 5a in contact with each other.
  • An air layer 15 may exist between the water surface 11a of the treated water 11 and the shock wave generation surface 5a.
  • the opening 2c of the container 2 is opened.
  • the bottom 2b of the container 2 is arranged upward with the container 2 facing downward.
  • the impact application unit 4 applies an impact to the water to be treated 11 stored in the container 2 to generate an impact wave. Since sterilization is performed, management and maintenance are easier than with conventional water treatment devices and water treatment methods that use chemicals or fine films.
  • the impact applying portion 4 is removable from the container 2, replacement and maintenance are easy, and since at least a part of the impact applying portion 4 is integrally formed with the lid member 3, the number of parts is increased. The increase is suppressed and the structure becomes simple. Further, the driving means of the impact applying unit 4 generates energy for applying an impact to the water to be treated 11 by a non-electrified mechanism using human power, gravity, or the like, or an electrified mechanism such as a motor driven by a battery. , Energy can be saved.
  • a small and portable water treatment device 1 capable of easily sterilizing the water to be treated 11 at any time, such as immediately before drinking water, can be obtained.
  • FIG. 5 is a diagram illustrating a water treatment method by the water treatment apparatus according to the second embodiment.
  • the water treatment device according to the second embodiment includes a bubble generator 9 as a gas injection means for injecting gas into the water to be treated 11 stored in the container 2. Since other configurations are the same as those of the water treatment apparatus 1 in the first embodiment, the description thereof will be omitted.
  • the bubble generator 9 is attached near the bottom 2b of the container 2 on the opposite side of the shock wave generation surface 5a.
  • the bubble generator 9 is attached in the vicinity of the shock wave generating surface 5a.
  • a self-priming type fine bubble generator that does not require air supply from the outside is suitable, and a commercially available product can be used.
  • gas is injected into the water to be treated 11 stored in the container 2 by the bubble generator 9.
  • the gas injection step is carried out.
  • the gas injection step is performed prior to the impact application step.
  • the second shock wave 14 due to the bubble collapse is generated by increasing the minute bubbles 12 in the water to be treated 11 by the bubble generator 9. Since it occurs frequently, the bactericidal effect increases.
  • FIG. 6 is a diagram illustrating a water treatment method by the water treatment apparatus according to the third embodiment.
  • the position of the shock wave generating surface 5a is fixed with respect to the container 2, but in the water treatment device of the third embodiment, the position of the shock wave generating surface 5a is movable. Since other configurations are the same as those of the water treatment apparatus 1 in the first embodiment, the description thereof will be omitted.
  • the valve 5A of the water treatment device according to the third embodiment is removable from the container 2, and its outer diameter is formed to be slightly smaller than the inner diameter of the container 2A.
  • An O-ring 16 is mounted on the peripheral surface of the valve 5A to prevent leakage of the water to be treated 11.
  • the water treatment method by the water treatment apparatus according to the third embodiment will be briefly described with reference to FIG.
  • the valve 5A having the shock wave generation surface 5a is inserted from one end 2a of the container 2A, and the inside of the container 2A is inserted. Install in.
  • the energy storage device 7 of the impact applying portion 4 is attached to the valve 5A from above. At this point, the water surface 11a of the water to be treated 11 and the shock wave generating surface 5a may not be in contact with each other.
  • the energy storage device 7 and the valve 5A are moved downward to bring the shock wave generation surface 5a into contact with the water surface 11a of the water to be treated 11.
  • a window (not shown) made of a transparent member is provided in a part of the container 2A.
  • the energy storage device 7 is changed from the energy storage state to the energy release state by a switch or the like in a state where the impact wave generation surface 5a is in contact with the water to be treated 11, and the impact is applied to the impact application surface 5b of the valve 5A. (Kinetic energy) is applied.
  • the bactericidal action of the shock wave in the shock application step is the same as that of the first embodiment, and thus the description thereof will be omitted.
  • the positions of the shock wave generating surface 5a and the water surface 11a of the water to be treated 11 can be matched regardless of the amount of the water to be treated 11, so that the first shock wave 13 is not attenuated. It is propagated to the water to be treated 11 and can be sterilized efficiently. Further, since the position of the shock wave generating surface 5a and the position of the water surface of the water to be treated 11 can be matched without turning the opening 2c of the container 2 downward, the water stored in the water storage tank or the like is sterilized. Can be done.
  • FIG. 7 is a diagram illustrating a water treatment method by the water treatment apparatus according to the fourth embodiment.
  • the water treatment apparatus according to the fourth embodiment includes the same bubble generating apparatus 9 as the second embodiment, and the gas injection step is carried out. Further, similarly to the third embodiment, the position of the shock wave generation surface 5a of the valve 5A is movable with respect to the container 2A. Since other configurations are the same as those of the water treatment apparatus according to the first embodiment, the description thereof will be omitted. According to the fourth embodiment, the same effects as those of the second and third embodiments can be obtained.
  • FIG. 8 is a perspective view showing a lid member of the water treatment device according to the fifth embodiment.
  • the piston 6 and the energy storage device 7 are integrally formed with the lid member 3, and the valve 5 is detachably formed with respect to the container 2 and the energy storage device 7.
  • the valve, the piston, and the energy storage device constituting the impact applying portion 4A are integrally formed with the lid member 3A.
  • the switch 7c of the energy storage device is provided on the upper surface of the lid member 3A. Since the other configurations and the water treatment method are the same as those of the water treatment apparatus 1 in the first embodiment, the description thereof will be omitted.
  • the number of parts is further suppressed as compared with the first embodiment, and a water treatment device having a simple structure can be obtained. Further, since the valve and the energy storage device can be attached to the container at the same time, the work during processing is simplified.
  • FIG. 9 is a schematic view showing a container of the water treatment device according to the sixth embodiment.
  • the water treatment apparatus according to the sixth embodiment has a bellows structure 17 on a part of the peripheral surface of the container 2B. Since other configurations are the same as those of the water treatment apparatus 1 in the first embodiment, the description thereof will be omitted.
  • the potential energy due to the water treatment device having a height above the ground surface is used, and an impact is applied to the water to be treated 11 by the bellows structure 17 formed in a part of the container 2B. Can be done. Further, the effect of stirring the water to be treated 11 in the container 2B to increase the dissolved gas, or reflecting and enhancing or amplifying the first shock wave 13 generated from the shock wave generation surface 5a can be obtained.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention concerne un dispositif de traitement des eaux (1) qui applique un choc à l'eau à traiter (11) à l'aide d'une unité d'application de choc (4), et utilise la cavitation générée dans l'eau à traiter (11) par une onde de choc provoquée par le choc, pour stériliser l'eau à traiter (11). L'unité d'application de choc (4) : comprend une soupape (5), un piston (6) et un dispositif de stockage d'énergie (7) ; est disposée à une section d'extrémité (2a) d'un récipient (2) ; et peut se détacher du récipient (2). L'unité d'application de choc (4) : applique, à une surface d'application de choc 5b de la soupape (5), l'énergie cinétique générée lorsque le dispositif de stockage d'énergie (7) passe d'un état de stockage d'énergie à un état de libération d'énergie ; et fait en sorte qu'une onde de choc provenant d'une surface de génération d'onde de choc (5a) de la soupape (5) soit générée dans l'eau à traiter (11).
PCT/JP2020/013317 2020-03-25 2020-03-25 Dispositif et procédé de traitement des eaux WO2021192089A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2020/013317 WO2021192089A1 (fr) 2020-03-25 2020-03-25 Dispositif et procédé de traitement des eaux
JP2020545748A JP6899968B1 (ja) 2020-03-25 2020-03-25 水筒及び水筒貯留水処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/013317 WO2021192089A1 (fr) 2020-03-25 2020-03-25 Dispositif et procédé de traitement des eaux

Publications (1)

Publication Number Publication Date
WO2021192089A1 true WO2021192089A1 (fr) 2021-09-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004087342A1 (fr) * 2003-03-28 2004-10-14 Masahisa Fujimoto Generateur de cavitation
JP2006021099A (ja) * 2004-07-07 2006-01-26 Jfe Engineering Kk 殺菌装置
JP2010234232A (ja) * 2009-03-31 2010-10-21 Toho Univ Foundation 循環水中の水生生物を死滅させる方法及び装置
JP2016047099A (ja) * 2014-08-27 2016-04-07 国立大学法人横浜国立大学 液体処理方法及び装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5526428B2 (ja) * 2009-11-16 2014-06-18 国立大学法人 熊本大学 衝撃波加工装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004087342A1 (fr) * 2003-03-28 2004-10-14 Masahisa Fujimoto Generateur de cavitation
JP2006021099A (ja) * 2004-07-07 2006-01-26 Jfe Engineering Kk 殺菌装置
JP2010234232A (ja) * 2009-03-31 2010-10-21 Toho Univ Foundation 循環水中の水生生物を死滅させる方法及び装置
JP2016047099A (ja) * 2014-08-27 2016-04-07 国立大学法人横浜国立大学 液体処理方法及び装置

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JP6899968B1 (ja) 2021-07-07
JPWO2021192089A1 (fr) 2021-09-30

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