WO2022158169A1 - 流体殺菌装置 - Google Patents
流体殺菌装置 Download PDFInfo
- Publication number
- WO2022158169A1 WO2022158169A1 PCT/JP2021/045942 JP2021045942W WO2022158169A1 WO 2022158169 A1 WO2022158169 A1 WO 2022158169A1 JP 2021045942 W JP2021045942 W JP 2021045942W WO 2022158169 A1 WO2022158169 A1 WO 2022158169A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- ultraviolet light
- inner tube
- pipe
- tube
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 117
- 230000001954 sterilising effect Effects 0.000 title abstract description 24
- 238000004659 sterilization and disinfection Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 27
- 239000000758 substrate Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- 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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/12—Apparatus for isolating biocidal substances from the environment
- A61L2202/122—Chambers for sterilisation
-
- 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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
-
- 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
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- 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
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3222—Units using UV-light emitting diodes [LED]
-
- 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
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
Definitions
- the present invention relates to a fluid sterilization device that sterilizes fluid flowing through a flow path with ultraviolet light.
- the fluid sterilization device of Patent Document 1 below includes a substrate on which a light source is mounted, a housing (fluid sterilization part) having a straight tube type flow path, a fluid inlet, and a fluid outlet. , reflectors and the like arranged to surround the cylinder. Since the cylinder is made of quartz, which is an ultraviolet light transmitting material, the ultraviolet light emitted from the light source is transmitted through the cylinder.
- the fluid is emitted from the light source inserted into the opening of the reflector and exposed to the ultraviolet light diffused by the reflector. This promotes sterilization of the fluid (patent document 1/paragraphs 0038,0039,0050, FIG. 2).
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a compact fluid sterilization device capable of efficiently irradiating fluid with ultraviolet light.
- the fluid sterilizer of the present invention comprises a cylindrical inner tube having an open end in the axial direction and having a radially penetrating cutout portion and a radially protruding outlet tube, and the inner tube.
- an outer tube that has an annular space that communicates with a notch and accommodates the inner tube; an inflow tube that is provided in the outer tube and allows a fluid to flow in;
- the inside of the inner tube is passed through an outflow tube that is connected to the outlet tube and causes the fluid that has passed through the annular space to flow out, and an ultraviolet light transmission window that seals the end of the outer tube on the one end side. and a light source for irradiating the passing fluid with ultraviolet light.
- the fluid sterilizer is mainly composed of an inner tube and an outer tube.
- the inner tube has a cylindrical shape, is open at one axial end, has a radially penetrating notch, and has a radially protruding outlet tube. Further, the light source irradiates the fluid passing through the inner tube through the ultraviolet light transmitting window with ultraviolet light, so that the fluid is sterilized.
- the outer tube has an inflow tube and an outflow tube for the fluid, and has an annular space between the inner tube and the inner tube that communicates with the notch, and accommodates the inner tube therein. Also, the outflow tube is connected to the outlet tube of the inner tube. Fluid enters from the inlet tube and passes through the annular space. The fluid enters the inside of the inner tube through the notch, is sterilized, and flows out of the outflow tube through the outlet tube.
- the fluid sterilization apparatus of the present invention can be made smaller in the linear direction than conventional apparatuses, and can efficiently irradiate the fluid with ultraviolet light.
- the reflector for reflecting the ultraviolet light is provided on the surface of the ultraviolet light transmission window opposite to the inner tube.
- the ultraviolet light Since the ultraviolet light is reflected by the reflector, the ultraviolet light travels not only to the inner tube but also to the annular space through the ultraviolet light transmission window. This allows the device to increase the sterilization efficiency of the fluid.
- an illuminance sensor may be provided on the back side of the reflector, the reflector may have an opening, and the illuminance sensor may detect the illuminance of the ultraviolet light through the opening. preferable.
- the fluid sterilizer of the present invention has an illuminance sensor on the back side of the reflector. Also, the reflector has an opening, and the illuminance sensor can detect the illuminance of the ultraviolet light through the opening. Therefore, the apparatus can confirm whether or not the fluid is irradiated with ultraviolet light.
- the notches are provided in pairs at symmetrical positions with respect to the central axis of the inner tube.
- the cutouts are provided in pairs at symmetrical positions with respect to the central axis of the inner tube. Therefore, the present device can cause the fluid that has flowed into the annular space to uniformly flow into the interior of the inner pipe, thereby achieving a homogenous flow velocity distribution.
- the inner tube is preferably made of a resin material.
- the inner tube is made of a resin material (eg, PTFE), the inner tube diffuses and reflects ultraviolet light. As a result, the present apparatus can improve the irradiation efficiency of ultraviolet light and further improve the fluid sterilization efficiency.
- a resin material eg, PTFE
- FIG. 1 is a perspective view of the fluid sterilizer of this embodiment
- FIG. 2 is an exploded view of the fluid disinfection device of FIG. 1
- FIG. 4 is a cross-sectional view IV-IV of the fluid sterilizer of FIG. 3
- FIG. 2 is a plan view of the fluid sterilization device of FIG. 1 viewed from the front side
- FIG. 4 is a VI-VI cross-sectional view of the fluid sterilizer of FIG. 3; VII-VII cross-sectional view of the fluid sterilizer of FIG. 3; (a) Flow velocity distribution in the IV-IV cross-sectional view of the fluid sterilizer in FIG.
- FIG. 1 is a perspective view of a fluid sterilization device 1 according to an embodiment of the present invention.
- FIG. 2 is an exploded view showing the constituent elements by disassembling the fluid sterilization device 1.
- the fluid sterilization device 1 is a device that irradiates ultraviolet light to sterilize fluid flowing through a flow path, and is used in water storage tanks such as ice makers, water pipes, water heaters, water servers, circulation devices, drink servers, and the like. be done.
- the outer tube 10 of the fluid sterilizer 1 is composed of a main body portion 11, an inflow pipe 12, an outflow pipe 13, a holding cap 14, a base plate 15 and a lid portion 16.
- the main body 11, the inflow pipe 12 and the outflow pipe 13 are made of stainless steel, they can be changed to other metal materials or resin materials depending on the purpose.
- the holding cap 14, the base plate 15 and the lid portion 16 are made of aluminum in consideration of heat dissipation.
- the fluid to be sterilized proceeds from the inflow pipe 12 to the main body 11 and flows out of the outer pipe 10 from the outflow pipe 13 .
- the outflow pipe 13 is a straight pipe type provided coaxially with the inflow pipe 12 . Therefore, there is an advantage that it is easy to incorporate into various systems as compared with a so-called L-shaped fluid sterilizer.
- a substrate (not shown) mounted on the base plate 15 is provided with a light source to irradiate the fluid passing through the main body 11 with ultraviolet light. As a result, the fluid is sterilized, and finally the sterilized fluid flows out of the outflow tube 13 .
- the inner tube 20 is housed inside the body portion 11 of the outer tube 10 .
- the inner tube 20 is composed of a cylindrical portion 21 , an outlet tube 22 and a cap 23 .
- each member constituting the inner tube 20 is preferably made of a resin (for example, PTFE) that diffuses and reflects ultraviolet light.
- the cylindrical portion 21 of this embodiment is open at both ends in the axial direction.
- six notches 21a are provided on one end side (the left end in the drawing) of the cylindrical portion 21 so as to penetrate in the radial direction. Since the outer diameter of the cylindrical portion 21 is one size smaller than the inner diameter of the body portion 11 of the outer tube 10 , a gap (annular space) is formed between it and the inner tube 20 . The fluid passes through the gap and flows into the cylindrical portion 21 through the notch portion 21a.
- the other end side (right end in the drawing) of the cylindrical portion 21 is sealed with a cap 23 using an O-ring (not shown).
- the cylindrical portion 21 has an opening 21b penetrating in the radial direction, and the outlet pipe 22 is attached to the opening 21b.
- the outlet pipe 22 protrudes in the radial direction of the cylindrical portion 21 .
- the outlet tube 22 is connected with the outflow tube 13 inside the outer tube 10 . Therefore, the fluid that has flowed into the cylindrical portion 21 flows out of the outer tube 10 from the outflow tube 13 via the outlet tube 22 .
- notches 21a Although the number of notches 21a described above can be changed as appropriate, it is preferable that they are provided in pairs at symmetrical positions with respect to the central axis of the inner tube 20 . With such a configuration, the fluid that has flowed into the gap between the outer tube 10 and the inner tube 20 can be caused to flow into the cylindrical portion 21 evenly, and the flow velocity distribution can be homogenized.
- An ultraviolet light transmission window 30 and a reflector 40 are accommodated inside the holding cap 14 . Also, the base plate 15 and the lid portion 16 are screwed to the holding cap 14 and fixed. A light source (not shown) is mounted on a substrate (not shown) on the base plate 15 .
- the substrate is preferably made of copper or aluminum, which has excellent heat dissipation properties.
- the light source (light source 55 described later) is a UV-LED, and the emitted ultraviolet light has a wavelength that has a sterilizing effect or a wavelength that decomposes chemical substances.
- the wavelength of ultraviolet light is in the range of 240-380 nm.
- the ultraviolet light transmitting window 30 is a circular quartz plate that transmits ultraviolet light, and is in surface contact with the end of the cylindrical portion 21 on the side having the notch 21a to seal the end.
- an O-ring (not shown) for sealing is mounted around the ultraviolet light transmission window 30 , and the outer circumference of the O-ring presses the inner peripheral surface of the holding cap 14 .
- the diameter of the ultraviolet light transmission window 30 is preferably equal to or greater than the outer circumference of the inner tube 20 (cylindrical portion 21).
- the reflector 40 is a PTFE circular plate that reflects ultraviolet light, and is provided on the surface of the ultraviolet light transmission window 30 opposite to the inner tube 20 .
- the center of the reflecting plate 40 is a recess, and has an opening through which ultraviolet light is emitted at the center of the recess. The ultraviolet light is reflected by the surface of the reflecting plate 40 and irradiates the fluid that has flowed into the cylindrical portion 21 .
- the ultraviolet light transmitting window 30 can guide the ultraviolet light to the gap (annular space) by utilizing the reflection on the reflecting plate 40 as well. Therefore, the sterilization progresses also for the fluid passing through the gap, so that the sterilization efficiency can be improved.
- the reflector 40 has an opening 40a for an illuminance sensor. Since the illuminance sensor detects the illuminance of the ultraviolet light through the opening 40a, it can be confirmed whether or not the fluid is irradiated with the ultraviolet light.
- FIG. 3 is a plan view of the fluid sterilizer 1 viewed from the lid portion 16 side.
- the lid portion 16 is provided with a central opening 16a and four peripheral openings 16b.
- the opening 16a is an opening for drawing out the wiring of the light source and the illuminance sensor.
- the opening 16b is a screw hole for fixing the board on which the light source is mounted.
- FIG. 4 shows a IV-IV cross-sectional view of the fluid sterilizer 1 of FIG.
- the inner tube 20 is housed inside the outer tube 10 .
- the cap 23 of the inner tube 20 is in contact with the end (the right end in the drawing) of the body portion 11 of the outer tube 10, and an annular space 28 exists in the outer peripheral portion of the inner tube 20.
- the outlet tube 22 of the inner tube 20 is fitted inside the outflow tube 13 .
- the notch 21a is formed at the end of the cylindrical portion 21 (on the side of the ultraviolet light transmission window 30). Therefore, the fluid that has flowed in from the inflow pipe 12 always passes through the vicinity of the light source 55 and is reliably irradiated with ultraviolet light.
- a communicating hole penetrating in the radial direction may be formed on the end side of the cylindrical portion 21 closer to the ultraviolet light transmission window 30 than the axis of the inflow pipe 12 and the outflow pipe 13 .
- the ultraviolet light emitted from the light source 55 on the substrate 50 irradiates the cylindrical portion 21 through the ultraviolet light transmission window 30 and is partly reflected by the reflector 40 .
- Ultraviolet light irradiates the inside of the cylindrical portion 21 and the annular space 28, which are sterilization processing spaces, through the ultraviolet light transmission window 30. As shown in FIG.
- An ultraviolet light illuminance sensor 45 is mounted on the substrate 50 . Furthermore, the illuminance sensor 45 is arranged on the back side of the opening 40 a of the reflector 40 . Therefore, ultraviolet light enters through the opening 40 a and is detected by the illuminance sensor 45 .
- the illuminance value detected by the illuminance sensor 45 is used to confirm the intensity of the light source 55 . For example, when the intensity of the ultraviolet light falls below a predetermined threshold value, the user can determine that it is time to replace the light source 55 .
- FIG. 5 is a plan view of the fluid sterilizer 1 viewed from the front side. The flow of fluid in the fluid sterilizer 1 will be described below. 6 shows a VI-VI cross-sectional view of the fluid sterilizer 1 of FIG. 5, and FIG. 7 shows a VII-VII cross-sectional view of the fluid sterilizer 1 of FIG.
- the fluid flowing from the inflow pipe 12 first reaches the annular space 28 and passes through the outer circumference of the inner pipe 20 (cylindrical portion 21). Then, it enters the inside of the cylindrical portion 21 through the six cutout portions 21 a present at the end portion of the cylindrical portion 21 .
- the fluid advances in the direction of the opening 21b of the cylindrical portion 21 and flows out of the outflow pipe 13 via the outlet pipe 22.
- the fluid sterilizer 1 is of a straight tube type, the fluid travels inside the outer tube 10 while changing direction. Therefore, the flow velocity distribution can be homogenized. Since the ultraviolet light is applied during the period from when the fluid advances into the annular space 28 until it reaches the outlet tube 22, the fluid is reliably sterilized.
- FIG. 8A(a) is the flow velocity distribution in the IV-IV cross-sectional view of the fluid sterilizer 1 in FIG. 8A(b) and 8A(c) are the flow velocity distributions in the VI-VI cross-sectional view of the fluid sterilizer 1 in FIG. 5 and the VII-VII cross-sectional view of the fluid sterilizer 1 in FIG. 5, respectively.
- the flow velocity of the fluid is slow (0.2 to 0.4 [m/s]) between the inflow pipe 12 and the annular space 28, and the notch 21a At the portion where the water flows into the inside of the portion 21, the flow speed becomes faster (0.6 to 0.8 [m/s]) for a moment. Further, according to FIG. 8A(c), the flow velocity inside the cylindrical portion 21 is relatively slow (0.2 to 0.6 [m/s]), and the flow velocity increases again when reaching the outflow tube 13 (0 .6 to 1.0 [m/s]).
- FIG. 8B(a) is the flow velocity distribution of the horizontal cross section H of the fluid sterilizer 1 of FIG. 8B(b) and 8B(c) are the flow velocity distributions of the slanted sections X and Y of the fluid sterilizer 1 of FIG. 6, respectively. 8B (a) to (c), it can be seen that the flow velocity is high at the portion where the liquid flows into the cylindrical portion 21 from the notch 21a, and the flow velocity is low inside the cylindrical portion 21 (especially near the center).
- FIG. 9A(a) is the illuminance distribution in the IV-IV cross-sectional view of the fluid sterilizer 1 in FIG. 9A(b) and 9A(c) are the illuminance distributions in the VI-VI cross-sectional view of the fluid sterilizer 1 in FIG. 5 and the VII-VII cross-sectional view of the fluid sterilizer 1 in FIG. 5, respectively.
- the illuminance near the end of the cylindrical portion 21 having the notch 21a is the highest (0.8 to 20 [mW/cm 2 ]), and in the direction of the outflow pipe 13 The illuminance decreases as it approaches (0.6 to 0.8 [mW/cm 2 ]).
- the illuminance at the center of the cylindrical portion 21 is the highest (0.8 to 20 [mW/cm 2 ]), and the illuminance decreases toward the inner wall of the cylindrical portion 21 (0.8 to 20 [mW/cm 2 ]). 6 to 0.8 [mW/cm 2 ]).
- FIG. 9B(a) is the illuminance distribution of the horizontal cross section H of the fluid sterilizer 1 of FIG. 9B(b) and 9B(c) are the illuminance distributions of the oblique sections X and Y of the fluid sterilizer 1 of FIG. 6, respectively.
- the fluid sterilization device 1 of the present embodiment is a straight tube and small device, but it is devised to suppress the flow velocity inside it, and the flow velocity distribution is homogenized. Since the fluid passes through the vicinity of the light source 55 that emits ultraviolet light, the sterilization efficiency of the fluid can be improved.
- the above embodiment is just an example, and can be changed as appropriate according to the application.
- the size and shape of the cylinder of the fluid sterilizer 1 can be changed because the flow rate differs depending on the application.
- the fluid sterilizer 1 can be used horizontally so that the inflow pipe 12 and the outflow pipe 13 are oriented horizontally.
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- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
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Abstract
Description
Claims (5)
- 軸方向の一端が開放され、径方向に貫通する切欠部と、径方向に突出する出口管とを有する円筒状の内側管と、
前記内側管との間に前記切欠部と連通する環状空間を有し、前記内側管を収容する外側管と、
前記外側管に設けられ、流体を流入させる流入管と、
前記外側管の前記流入管と同軸上に設けられ、前記出口管と接続されて前記環状空間を通過した前記流体を流出させる流出管と、
前記一端側の前記外側管の端部を封止する紫外光透過窓を介して、前記内側管の内部を通過する前記流体に対して紫外光を照射する光源と、
を備えていることを特徴とする流体殺菌装置。 - 前記紫外光を反射する反射板が、前記紫外光透過窓の前記内側管と反対側の面に設けられていることを特徴とする請求項1に記載の流体殺菌装置。
- 前記反射板の裏面側に照度センサを備え、
前記反射板は開口を有し、前記照度センサが前記開口を介して前記紫外光の照度を検出することを特徴とする請求項2に記載の流体殺菌装置。 - 前記切欠部は、前記内側管の中心軸に関して対称位置に対をなして設けられていることを特徴とする請求項1~3の何れか1項に記載の流体殺菌装置。
- 前記内側管は、樹脂材料でできていることを特徴とする請求項1~4の何れか1項に記載の流体殺菌装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US18/260,723 US20240059588A1 (en) | 2021-01-25 | 2021-12-14 | Fluid sterilizing apparatus |
EP21921271.9A EP4260878A4 (en) | 2021-01-25 | 2021-12-14 | FLUID STERILIZATION DEVICE |
CN202180090699.3A CN116783147A (zh) | 2021-01-25 | 2021-12-14 | 流体杀菌装置 |
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JP2021-009432 | 2021-01-25 | ||
JP2021009432A JP2022113301A (ja) | 2021-01-25 | 2021-01-25 | 流体殺菌装置 |
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WO2022158169A1 true WO2022158169A1 (ja) | 2022-07-28 |
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PCT/JP2021/045942 WO2022158169A1 (ja) | 2021-01-25 | 2021-12-14 | 流体殺菌装置 |
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US (1) | US20240059588A1 (ja) |
EP (1) | EP4260878A4 (ja) |
JP (1) | JP2022113301A (ja) |
CN (1) | CN116783147A (ja) |
WO (1) | WO2022158169A1 (ja) |
Citations (6)
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WO2003039606A1 (en) * | 2001-11-06 | 2003-05-15 | Remotelight, Inc. | Blood purification system |
JP2018202205A (ja) * | 2018-09-12 | 2018-12-27 | 日機装株式会社 | 流体殺菌装置 |
JP2020089462A (ja) * | 2018-12-04 | 2020-06-11 | スタンレー電気株式会社 | 光源モジュール装置、流体殺菌装置 |
JP2020092856A (ja) | 2018-12-13 | 2020-06-18 | スタンレー電気株式会社 | 流体殺菌装置 |
JP2020099378A (ja) * | 2018-12-20 | 2020-07-02 | スタンレー電気株式会社 | 流体殺菌装置 |
JP2020521556A (ja) * | 2017-05-26 | 2020-07-27 | アキューバ、テクノロジーズ、インコーポレーテッドAcuva Technologies Inc. | 流体殺菌装置及び方法 |
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EP3185913A4 (en) * | 2014-08-28 | 2018-05-02 | Hayward Industries, Inc. | Combined ultraviolet and ozone fluid sterilization system |
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WO2003039606A1 (en) * | 2001-11-06 | 2003-05-15 | Remotelight, Inc. | Blood purification system |
JP2020521556A (ja) * | 2017-05-26 | 2020-07-27 | アキューバ、テクノロジーズ、インコーポレーテッドAcuva Technologies Inc. | 流体殺菌装置及び方法 |
JP2018202205A (ja) * | 2018-09-12 | 2018-12-27 | 日機装株式会社 | 流体殺菌装置 |
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JP2022113301A (ja) | 2022-08-04 |
EP4260878A4 (en) | 2024-06-19 |
CN116783147A (zh) | 2023-09-19 |
EP4260878A1 (en) | 2023-10-18 |
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