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WO2019075615A1 - Dispositif de stérilisation de fluide - Google Patents

Dispositif de stérilisation de fluide Download PDF

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Publication number
WO2019075615A1
WO2019075615A1 PCT/CN2017/106376 CN2017106376W WO2019075615A1 WO 2019075615 A1 WO2019075615 A1 WO 2019075615A1 CN 2017106376 W CN2017106376 W CN 2017106376W WO 2019075615 A1 WO2019075615 A1 WO 2019075615A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
sterilization
chamber
sterilizing apparatus
heat sink
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/106376
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English (en)
Chinese (zh)
Inventor
何宗江
贾志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hcen Technology Co Ltd
Shenzhen Qianhai Xiaoyou Technology Co Ltd
Original Assignee
Shenzhen Hcen Technology Co Ltd
Shenzhen Qianhai Xiaoyou Technology Co Ltd
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 Shenzhen Hcen Technology Co Ltd, Shenzhen Qianhai Xiaoyou Technology Co Ltd filed Critical Shenzhen Hcen Technology Co Ltd
Priority to PCT/CN2017/106376 priority Critical patent/WO2019075615A1/fr
Publication of WO2019075615A1 publication Critical patent/WO2019075615A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light

Definitions

  • This invention relates to the field of ultraviolet disinfection and, more particularly, to a fluid sterilization apparatus.
  • LED ultraviolet light having a sterilizing effect has been manufactured by using a light-emitting diode (LED).
  • LED ultraviolet sterilizing lamp has low power consumption and high safety.
  • the advantages of small size have been applied in many industries.
  • LED UV lamps are ideal for the disinfection of fluids, especially flowing water.
  • the LED is a point source and generates a large amount of heat, it is quite difficult to apply the deep ultraviolet LED for disinfection.
  • a high-power LED also emits a large amount of heat.
  • One aspect of the present invention provides a fluid sterilizing apparatus comprising n sterilization modules, the n sterilization modules dividing the fluid sterilization device into n+1 chambers, the n+1 chambers a liquid outlet is disposed in the bottommost chamber of the lowermost layer, and a liquid inlet is disposed in the topmost chamber of the uppermost layer;
  • the sterilization module includes a heat sink and a sterilization lamp, wherein the sterilization lamp is fixed under the heat sink On the surface, the fluid flows through the upper surface of the heat sink;
  • n is an integer of 1 or more.
  • the sterilization module further includes a light transmissive plate and a connecting member, the light transmissive plate covers the sterilization lamp and is connected to the heat sink through a connecting member.
  • the heat sink of the one or more sterilization modules may further include heat dissipation fins on the upper surface of the heat sink.
  • the heat dissipating fins may be disposed along the direction of fluid flow or perpendicular to the direction of fluid flow.
  • the heat dissipation fins located in the top layer chamber may be disposed along the fluid flow direction, and the heat dissipation fins located in the other chambers may be disposed perpendicular to the fluid flow direction.
  • a reflective layer may be provided on the underside of one or more of the chambers.
  • a fluid stop is provided in the bottom chamber.
  • a reflective layer is also disposed on the surface of the fluid block.
  • the height of the fluid block is the same as the height of the bottom chamber, and the shape of the fluid block is wavy or linear and forms a certain inclination angle along the direction of fluid flow, perpendicular to the flow direction of the fluid or with the direction of fluid flow. Forming a fluid path.
  • a sterilization light on the bottom chamber is disposed along the fluid path.
  • fluid passages are provided at one or both ends of each chamber.
  • the fluid passage is provided with a through hole through which the fluid enters the fluid passage.
  • the sterilization lamp is an ultraviolet LED sterilization lamp.
  • the fluid sterilizing device of the present invention comprises a plurality of chambers through the arrangement of the sterilizing module, can be applied to the sterilization and disinfection treatment of a large flow of fluid, and can be sterilized by providing a heat sink in the sterilization module.
  • Good heat dissipation, and through the arrangement of the heat sink fins, the sterilized fluid can be further used for heat dissipation, thereby achieving good heat dissipation and sterilization effects, and is very suitable for use in large flow fluids, especially flowing water. Sterilize and disinfect.
  • Figure 1 shows a front view of a fluid sterilizing device of a preferred first embodiment of the present application
  • Figure 2 shows a cross-sectional view of a fluid sterilizing device of a preferred first embodiment of the present application
  • Figure 3 is a cross-sectional view showing a fluid sterilizing apparatus of a preferred second embodiment of the present application
  • Figure 4 is a schematic view showing the upper cover of the fluid sterilizing device of the preferred third embodiment of the present application.
  • Fig. 5 is a schematic view showing the lower cover of the fluid sterilizing apparatus of the preferred third embodiment of the present application.
  • the present invention provides a fluid sterilizing device that can include n sterilization modules that divide the fluid sterilizing device into n+1 chambers, the n+1 In the chamber, the bottom layer chamber in the lowermost layer is provided with a liquid outlet, and the top layer chamber in the uppermost layer is provided with a liquid inlet; the sterilization module comprises a radiator and a sterilization lamp, wherein the sterilization lamp is fixed On the lower surface of the heat sink, fluid flows through the upper surface of the heat sink; n is an integer of 1 or more.
  • the fluid sterilizing device of the present invention comprises a plurality of chambers through the arrangement of the sterilization module, and the fluid flows into the sterilizing device from the upper liquid inlet port, and is sterilized and disinfected through a plurality of chambers, and then flows out from the lower liquid outlet port, thereby It is convenient to be applied to the sterilization and disinfection of large flow fluids; and the chambers are separated by a sterilization module, and the upper surface of the heat sink in the sterilization module constitutes the bottom surface of each chamber except the bottom chamber, and the heat flows through the heat flow.
  • the upper surface of the device can take away heat from the fluid and heat the sterilizing lamp well to prevent the sterilizing lamp from being damaged due to a large amount of heat.
  • the sterilization lamp can be an ultraviolet LED sterilization lamp.
  • Ultraviolet LED sterilization lamps have excellent sterilization and disinfection effects, but generate a large amount of heat during use, requiring a fluid sterilizing device with excellent heat dissipation capability.
  • the fluid sterilizing device of the present application can realize the use of an ultraviolet LED sterilization lamp.
  • n is an integer from 1 to 3.
  • the sterilization module may further include a light-transmitting plate and a connecting member, the light-transmitting plate covers the LED sterilization lamp, and is connected to the heat sink through a connecting member.
  • a light-transmitting plate may be disposed in the sterilization module, and the light-transmitting plate is connected to the heat sink through the connecting member to form a lamp cavity with the lower surface of the heat sink. The sterilization lamp is protected in the lamp cavity.
  • the light-transmitting plate may be made of a suitable light-transmitting material as long as it can transmit light emitted from the sterilization lamp, preferably made of a quartz material.
  • the heat sink of one or more of the sterilization modules may further include a heat dissipation fin located on an upper surface of the heat sink.
  • the heat sink fins enter the fluid, and the fluid flows through the heat dissipation fins, which can better assist the heat dissipation of the heat sink, can more fully utilize the fluid to take away heat, assist in heat dissipation, thereby greatly improving the heat dissipation effect and avoiding Other additional heat sink settings also reduce the cost of the overall unit.
  • Fig. 1 shows a front view of a fluid sterilizing apparatus of a preferred first embodiment of the present application.
  • the fluid sterilizing apparatus 1 has a liquid inlet port 11 and a liquid outlet port 12.
  • Figure 2 shows a cross-sectional view of the sterilization device.
  • the sterilization device is provided with a sterilization module, which comprises a heat sink 200, a heat dissipation fin 210 on the heat dissipation plate, a sterilization lamp 220 fixed on the lower surface of the heat dissipation plate, and
  • the light transmissive plate 400 protecting the sterilization lamp is composed, and the light transmissive plate 400 and the heat sink 200 are connected by a connecting member 300.
  • the sterilization module divides the sterilization device into upper and lower chambers, the sterilization module and the upper cover 100 constitute an upper chamber, and the sterilization module and the lower cover 500 constitute a lower chamber.
  • the fluid flows from the upper chamber into the sterilizing device through the liquid inlet, and then flows into the lower chamber to be sterilized by ultraviolet rays emitted from the sterilizing lamp, and then flows out from the liquid outlet.
  • the heat dissipation fins may be disposed along the fluid flow direction or perpendicular to the fluid flow direction. When placed along the direction of fluid flow, it does not impede the flow of fluid. The fluid can pass relatively quickly. When placed perpendicular to the direction of fluid flow, the fins will block the flow of fluid and reduce the speed of fluid flow through the chamber. The time the fluid flows through the chamber.
  • the heat dissipation fins located in the top layer chamber may be disposed along the fluid flow direction, whereby the fluid may flow through the top layer chamber relatively quickly, increasing the overall flow rate; and located in other chambers
  • the heat sink fins can be placed perpendicular to the direction of fluid flow, thereby reducing the velocity of fluid flow through other chambers and increasing the flow of fluid through other chambers for better sterilization.
  • FIG. 3 shows a cross-sectional view of a fluid sterilizing device of a preferred second embodiment of the present application.
  • the sterilization device is provided with two sterilization modules, and the sterilization device is divided into upper, middle, and lower chambers, an upper chamber 13, a middle chamber 14, and a lower chamber 15.
  • the sterilization module includes a heat sink 300, a sterilization lamp fixed on the heat sink 300, and a light-transmitting plate 310 covering the sterilization lamp, and the light-transmitting plate seals the sterilization lamp to protect the sterilization lamp from fluid contamination.
  • the heat sink 300 also includes heat sink fins 320 and 330 on the heat sink. As shown in FIG.
  • the fluid flows from the upper chamber into the sterilizing device through the liquid inlet, then flows to the middle chamber to the lower chamber, and is sterilized by ultraviolet rays emitted from the sterilization lamp in the middle and lower chambers. , flowing out from the liquid outlet.
  • the heat dissipation fins 320 located in the upper chamber 13 are disposed along the fluid flow direction
  • the heat dissipation fins 330 located in the middle chamber 14 are disposed along the vertical fluid flow direction.
  • the fluid sterilizing apparatus of this second embodiment which is preferred in the present application, can achieve a disinfecting ability of 60 L of water per minute, and can be tested to achieve a sterilization efficiency of 99.99%. It can also be noted that the fluid sterilizing device of the present application can achieve efficient sterilization of a large flow of fluid.
  • a reflective layer may be provided on the bottom surface of one or more of the chambers.
  • a reflective layer can be disposed on the bottom surface of the chamber other than the top chamber, and the reflective layer can be configured to reflect the light emitted by the sterilization lamp back into the fluid to improve the utilization of light, thereby improving the efficiency of sterilization.
  • the reflective layer can be, for example, mirror aluminum.
  • the reflective layer may be disposed on the bottom surface of each chamber at a certain inclination angle.
  • fluid passages are provided at one or both ends of each chamber through which fluid flows between the chambers.
  • the fluid passages are positioned so that fluid can flow between the chambers for easy installation and to ensure no leakage.
  • the fluid passage is provided with a through hole through which the fluid enters the fluid passage.
  • FIGS. 4 and 5 show schematic views of the upper cover 401 and the lower cover 501 of the fluid sterilizing apparatus of the preferred third embodiment of the present application.
  • one ends of the upper and lower covers respectively have flow passages 404 and 504, and through holes 403 and 503 are provided in the flow passage.
  • a fluid stop may be provided in the bottom chamber.
  • the fluid block is set to reduce the fluid flow rate, prolong the flow of fluid in the chamber for adequate sterilization, while also stabilizing the flow rate, extending the water path and reducing the dead zone.
  • the above functions of the fluid stop can be achieved by setting functions of different shapes.
  • the height of the fluid block is the same as the height of the bottom chamber.
  • the same fluid block as the height of the bottom chamber allows fluid to flow through the fluid block and along the fluid path formed by the fluid block, thereby better achieving the above advantages of the fluid block.
  • the fluid stopper can be disposed in various directions, for example, can be formed in a fluid flow direction, perpendicular to the fluid flow direction, or form a certain angle of inclination with the fluid flow direction. As shown in FIG.
  • a wave-shaped and linear-shaped stopper is disposed in the bottom chamber, wherein the linear fluid block 506 is disposed in the center of the chamber perpendicular to the fluid flow direction, mainly for obstructing fluid flow and reducing The action of the flow rate, the fluid stop disposed perpendicular to the flow direction of the fluid does not contact the side wall of the chamber, leaving a fluid path; the wavy fluid block 505 is disposed in the fluid flow direction in the inlet through hole and the fluid stop 506 Between the two, the undulating fluid block 502 is disposed between the fluid block 506 and the liquid outlet, which can extend the water path and reduce the dead water area.
  • These different shapes of fluid stops can be set at the same time, or only one or more of them can be provided.
  • the sterilization lamp on the bottom chamber is disposed along the fluid path. That is, the sterilization lamps in the sterilization module on the bottom chamber are all disposed above the fluid path, and are not disposed above the respective fluid stops, so as to prevent the ultraviolet rays emitted by the sterilization lamps from being blocked by the fluid block. Damage the effect of sterilization.
  • a reflective layer is also disposed on the surface of the fluid block.
  • the arrangement of the reflective layer on the fluid block can also reflect the light emitted by the sterilization lamp back into the fluid, improve the utilization of light, and further improve the efficiency of sterilization.
  • a light reflecting layer is provided on the side of each fluid block.

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  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Dispositif de stérilisation de fluide comprenant : n modules de stérilisation, les n modules de stérilisation divisant le dispositif de stérilisation de fluide en n +1 chambres; dans les n +1 chambres, un orifice de sortie de liquide (12) est disposé dans une chambre de fond qui est située au niveau le plus bas, et un orifice d'entrée de liquide (11) est ménagé dans une chambre supérieure qui est située au niveau le plus haut; un module de stérilisation comprend un dissipateur thermique (200) et une lampe de stérilisation (220), la lampe de stérilisation (220) étant fixée sur une surface inférieure du dissipateur thermique (200), et un fluide s'écoulant à travers une surface supérieure du dissipateur thermique (200); n étant un nombre entier supérieur à 1. Le dispositif de stérilisation de fluide comprend de multiples chambres grâce à l'agencement des modules de stérilisation, et peut être employé dans le processus de stérilisation et de désinfection d'un fluide ayant un débit élevé; pendant ce temps, la lampe de stérilisation peut être refroidie adéquatement au moyen du dissipateur thermique (200) qui est aménagé dans le module de stérilisation, et qui convient parfaitement à la stérilisation et la désinfection d'un fluide ayant un débit élevé, en particulier de l'eau courante.
PCT/CN2017/106376 2017-10-16 2017-10-16 Dispositif de stérilisation de fluide Ceased WO2019075615A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/106376 WO2019075615A1 (fr) 2017-10-16 2017-10-16 Dispositif de stérilisation de fluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/106376 WO2019075615A1 (fr) 2017-10-16 2017-10-16 Dispositif de stérilisation de fluide

Publications (1)

Publication Number Publication Date
WO2019075615A1 true WO2019075615A1 (fr) 2019-04-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6602409B1 (en) * 2002-01-23 2003-08-05 Joseph Kuo Apparatus for supplying deozonized ozone sterilized water
CN101456605A (zh) * 2008-12-24 2009-06-17 苏州纳米技术与纳米仿生研究所 Led纳米光催化有机废水深度处理装置
CN102198964A (zh) * 2010-03-24 2011-09-28 上海广茂达光艺科技股份有限公司 紫外灯水体消毒装置
CN204079539U (zh) * 2014-08-18 2015-01-07 南京工业大学 一种用于再生水及雨水消毒的光催化消毒反应器
CN106554050A (zh) * 2017-01-20 2017-04-05 暨南大学 一种靶向降解水中喹诺酮抗生素的方法及其多波段紫外照射装置
CN106659202A (zh) * 2014-07-18 2017-05-10 雀巢产品技术援助有限公司 液体净化方法及设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6602409B1 (en) * 2002-01-23 2003-08-05 Joseph Kuo Apparatus for supplying deozonized ozone sterilized water
CN101456605A (zh) * 2008-12-24 2009-06-17 苏州纳米技术与纳米仿生研究所 Led纳米光催化有机废水深度处理装置
CN102198964A (zh) * 2010-03-24 2011-09-28 上海广茂达光艺科技股份有限公司 紫外灯水体消毒装置
CN106659202A (zh) * 2014-07-18 2017-05-10 雀巢产品技术援助有限公司 液体净化方法及设备
CN204079539U (zh) * 2014-08-18 2015-01-07 南京工业大学 一种用于再生水及雨水消毒的光催化消毒反应器
CN106554050A (zh) * 2017-01-20 2017-04-05 暨南大学 一种靶向降解水中喹诺酮抗生素的方法及其多波段紫外照射装置

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