WO2009124428A1 - DISPOSITIF DE STÉRILISATION PAR PHOTOCATALYSE PRÉSENTANT UN STÉRILISATEUR AU ClO2 - Google Patents

DISPOSITIF DE STÉRILISATION PAR PHOTOCATALYSE PRÉSENTANT UN STÉRILISATEUR AU ClO2 Download PDF

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Publication number
WO2009124428A1
WO2009124428A1 PCT/CN2008/002040 CN2008002040W WO2009124428A1 WO 2009124428 A1 WO2009124428 A1 WO 2009124428A1 CN 2008002040 W CN2008002040 W CN 2008002040W WO 2009124428 A1 WO2009124428 A1 WO 2009124428A1
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WO
WIPO (PCT)
Prior art keywords
chlorine dioxide
photocatalyst
sterilizer
main body
sterilization
Prior art date
Application number
PCT/CN2008/002040
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English (en)
Chinese (zh)
Inventor
陈红锋
Original Assignee
Chen Hongfeng
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 Chen Hongfeng filed Critical Chen Hongfeng
Publication of WO2009124428A1 publication Critical patent/WO2009124428A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser

Definitions

  • the present invention relates to an air disinfecting and purifying machine, and more particularly to a photocatalyst sterilizing and disinfecting machine having a chlorine dioxide sterilizer.
  • Nano-sized titanium dioxide (Ti0 2 ) is the most dynamic research field in new material research in recent years. This ultra-fine particle has large specific surface area, high surface activity and good photocatalytic properties. It has both metal and non-metal. Specific energy. A large amount of research data shows that nano Ti0 2 is useful for killing bacterial viruses and eliminating odors, and it is very effective for controlling bacteria and mildew and controlling odor. Because of its high photocatalytic properties, it is especially effective as a highly effective purifying action and antibacterial, antiseptic, deodorizing and optimising environment.
  • the photocatalyst nanoparticles are excited to generate electron-hole pairs under the irradiation of light of a certain wavelength, and the hole decomposition catalyst
  • the water adsorbed on the surface generates hydrogen-oxygen radicals, and the electrons reduce the oxygen around them to active ionized oxygen, thereby having a strong 'oxidation-reduction effect, destroying various pollutants on the surface of the photocatalyst, thereby achieving purification purposes. fresh air.
  • Various photocatalyst air purifiers have been fabricated using the photocatalytic properties of nano Ti0 2 , such as the Chinese utility model patent photocatalyst air disinfection machine with application number 03238375.4, and the Chinese utility model patent photocatalyst ultraviolet air purification and disinfection application number 03259495.X machine.
  • This kind of air purifier does not need to use disinfectant, and the use cost is low, but it only purifies the air entering the machine cavity, and can not completely kill the bacteria and virus in the air, and can not replace the traditional spray disinfectant for sterilization. .
  • Chlorine Dioxide (C10 2 ) is an environmentally-friendly disinfectant for bactericidal and bactericidal viruses widely used in the medical and health industry in recent years. It is a highly effective and low-toxic disinfectant that can kill all microorganisms, including bacterial propagules and bacterial spores. , fungi, mycobacteria, viruses, etc., and the use of less, fast, long-lasting efficacy, and does not produce carcinogenic halogenated hydrocarbon compounds such as dichlorosilane, trichloromethane, etc.
  • the World Health Organization (WHO) and the World Food and Agriculture Organization (FAO) have recommended to the world AI-grade high-efficiency safe disinfectants, and are the most ideal replacement for internationally recognized chlorine-based disinfectants.
  • Chlorine dioxide can rapidly oxidize sulfides (such as H 2 S, etc.) into sulfate ions, remove the odor generated by the « «, oxidize and degrade CN -, N0 2 -, NH 3 into Non-toxic substances such as C0 2 and N 2 . It can be seen that chlorine dioxide not only has a good sterilization effect, but also has many functions such as anti-mite and deodorization. It can be widely used in public places, air, refrigerators, cold storage, offices, dormitories, cars and Air disinfection and deodorization of air conditioning ventilation systems can also be used for sterilization of patients' homes, wards and patient items.
  • the method of disinfecting air by using chlorine dioxide is to spray a prepared chlorine dioxide solution into a space to be disinfected by a sprayer or an aerosol sprayer, and the method can spray the liquid to any place in the space to be disinfected. , including corners blocked by furniture and other items, will not leave dead spots that cannot be disinfected, but the sprayed liquid contains acid and alkali metal salt ions, which will corrode metal parts of electrical equipment. Summary of the invention
  • the technical problem to be solved by the invention is to provide a photocatalyst sterilization and disinfecting machine with a chlorine dioxide sterilizer, which can replace the traditional spray disinfectant to sterilize the air, can meet the hygiene sterilization requirements, and is disinfected. It will not cause damage to the items in the disinfection space, will not leave a disinfection dead angle, and is easy to use.
  • the machine is used for daily air purification without the use of disinfectant and other consumables, and the use cost is low.
  • the photocatalyst sterilization and disinfecting machine with chlorine dioxide sterilizer of the invention comprises:
  • the chassis comprises a main body, a front grille and a rear cover with an air outlet.
  • the front grille is mounted on the front lower part of the main body, and a sterilization chamber is arranged between the front grille and the main body, and a vent opening is formed on the vertical wall of the sterilization chamber, and the rear cover is provided.
  • Installed in the rear upper part of the main body, between the back cover and the main body is a gas flow mixing chamber;
  • a photocatalyst honeycomb body the photocatalyst honeycomb body is installed in the front net cover, and a filter net is installed between the photocatalyst honeycomb body and the front net cover;
  • a plurality of ultraviolet lamps which are installed on a vertical wall of the sterilization chamber of the chassis;
  • the first fan being installed in an airflow mixing chamber of the chassis
  • the chlorine dioxide sterilizer is located at a lower side of the back cover, and is connected to the main body through a hinge; during operation, the airflow entering the sterilization chamber is sterilized by the photocatalyst and the ultraviolet ray, and enters the airflow mixing chamber through the vent Then, it is mixed with the chlorine dioxide gas generated by the chlorine dioxide sterilizer and discharged from the air outlet on the back cover.
  • the chlorine dioxide sterilizer comprises a casing, a liquid storage chamber is arranged inside the casing, an aeration head is arranged on the bottom surface of the liquid storage chamber, and an air pump is arranged under the bottom surface of the liquid storage chamber, and the air outlet of the air pump passes through the one-way valve and the aeration Head connection.
  • a second fan may be included, and the second fan is installed at a vent on the wall of the sterilization chamber to speed up the air purification.
  • Nano titanium dioxide coating can also be applied on the surface of the sterilization chamber to achieve better purification effect.
  • the invention has the following beneficial effects:
  • the present invention converts the chlorine dioxide molecules in the chlorine dioxide solution from the aqueous phase to the gas phase into the air for sterilization, and only oxidizes the chlorine dioxide.
  • the chlorine molecules are escaping into the air, and most of the acid and basic metal salt ions in the solution remain in the solution and do not come into contact with the contents of the disinfection space, thus avoiding the spraying of chlorine dioxide solution.
  • the acid and alkali metal salt ions corrode the electrical components, which can effectively avoid damage to the objects in the disinfection space.
  • the machine is simple and convenient to use, and the cost is low. It is only necessary to put a prescribed amount of chlorine dioxide solution into the liquid storage chamber according to the size of the space to be disinfected, and the disinfection time can be automatically set up by turning on the power supply to prevent airborneness.
  • the most economical and most suitable disinfection and purification equipment for diseases such as SARS, influenza, avian flu, tuberculosis, and ward operating room can be widely used in public places such as homes, hospitals, offices, production workshops, etc., as well as vehicles, airplanes, etc. .
  • FIG. 1 is a front perspective view of a photocatalyst sterilization and disinfecting machine having a chlorine dioxide sterilizer according to an embodiment
  • FIG. 2 is a rear perspective view thereof;
  • Figure 3 is a schematic diagram of its internal structure
  • Figure 4 is a schematic view of the structure after the chlorine dioxide sterilizer is pulled outward
  • Figure 5 is a schematic view of the structure after removing the back cover and the chlorine dioxide sterilizer
  • Figure 6 is a schematic view showing the structure of a chlorine dioxide sterilizer
  • Figure 7 is a front perspective view of the main body of the chassis.
  • the photocatalyst sterilization machine having a chlorine dioxide sterilizer includes:
  • the chassis 1 includes a main body 11, a front grille 12, and a rear cover 13 with an air outlet 131.
  • the front grille I 2 is fastened to the front lower portion of the main body 11, and the front grille 12 is also magnetically mounted.
  • the front part of the main body 11 is a sterilization chamber 113 between the front grille 12 and the main body 11, and a vent 112 is formed in the vertical wall 111 in the sterilization chamber 113.
  • the rear cover 13 is mounted on the rear upper portion of the main body 11, and the rear cover 13 and the main body 11 are provided. Between the air flow mixing chamber 114;
  • Photocatalyst honeycomb body 3 the photocatalyst honeycomb body 3 is installed in the front mesh cover 12, and the filter net 2 is installed between the photocatalyst honeycomb body 3 and the front mesh cover 12;
  • a plurality of ultraviolet lamps 4, the ultraviolet lamps 4 in the machine are UV LEDs, which are mounted on the vertical wall 111 in the sterilization chamber 113 of the cabinet 1;
  • the airflow entering the sterilization chamber 113 is sterilized by the photocatalyst and ultraviolet rays, enters the airflow mixing chamber 114 through the vent 112, and is mixed with the chlorine dioxide gas generated by the chlorine dioxide sterilizer 7, from the rear cover 13.
  • the air outlet 131 is discharged.
  • the chlorine dioxide molecules in the air need to reach a certain concentration to have a disinfecting effect.
  • the concentration and time of chlorine dioxide molecules naturally escaping from the chlorine dioxide solution are difficult to control, and the prescribed disinfection cannot be guaranteed.
  • the concentration, and thus the natural escape will greatly reduce the disinfection effect, and it is difficult to ensure the disinfection effect. Therefore, the present invention adopts the following special structure chlorine dioxide sterilizer 7, which comprises a casing 71, and a liquid storage chamber 72 is arranged in the casing 71.
  • An aeration head 77 is attached to the bottom surface of the liquid storage chamber 72.
  • An air pump 74 is disposed under the bottom surface of the liquid storage chamber 72.
  • the air outlet of the air pump 74 is connected to the aeration head 77 through a check valve 75.
  • the air pump 74 generates compressed air and sends it to the aeration strip 77, and the aeration strip 77 aerates, so that the chlorine dioxide molecules in the chlorine dioxide solution in the liquid storage chamber 72 are rapidly transferred from the aqueous phase to the gas phase, and rapidly Escapes to the airflow mixing chamber 114.
  • the one-way valve 75 serves to prevent the solution in the reservoir 72 from flowing back into the air pump 74.
  • the outer casing 71 and the liquid storage chamber 72 of the chlorine dioxide sterilizer 7 are integrally formed by injection molding, and the liquid storage chamber 72 has an ingot shape in cross section, so that the chlorine dioxide sterilizer 7 and the main body 11 of the casing are sucked together. There is space for air to flow through, and the inner wall of the liquid storage chamber 72 has a scale indicating the volume of the contents. When the chlorine dioxide sterilizer 7 is pulled outward, the scale can be seen, which is convenient for the user to measure the amount of the disinfectant.
  • the reservoir 72 can also be designed in the shape of a crescent or other shape.
  • the aeration head 77 employs a long microporous aeration head with three ports, and a one-way valve 75 is connected to the three ports of the microporous aeration head 77 through a four-way tube member 76.
  • a second fan 5 is installed at the vent 112 on the vertical wall 111 in the sterilization chamber 113.
  • the inner surface of the sterilization chamber 113 is coated with a nano titanium dioxide coating 113.
  • a nano-titanium dioxide layer may be disposed on the surface of the filter 2 to form a photocatalyst filter, and a plurality of ultraviolet lamps are disposed on the four vertical walls in the sterilization chamber 113 to more fully illuminate the filter 2, the photocatalyst honeycomb body 3, and the sterilization.
  • the rear cover 13 is provided with a concave handle 132, and the user can carry the sterilization machine through the concave handle 132.
  • the main body 11 is provided with a power switch 8, a timing device 9 for controlling the working time of the chlorine dioxide sterilizer 7, and a timing device 10 for controlling the operating time of the ultraviolet lamp 4.
  • the timing device adopts a mechanical timer, and an electronic timing device realized by a single chip microcomputer can also be used.
  • 115 is a power socket for connecting to an external power source to supply power to the unit.
  • a chlorine dioxide concentration sensor may be installed in the air inlet grid of the front grille 12 and its output is connected to the control center of the machine (such as the above-mentioned single chip microcomputer), and the chlorine dioxide concentration in the room is detected by the chlorine dioxide concentration sensor. Then, compared with the preset concentration value, when the set upper limit concentration is exceeded, the aeration head 77 of the chlorine dioxide sterilizer 7 is stopped from aeration, and when the indoor chlorine dioxide concentration is lower than the set lower limit concentration, The aeration head 77 of the chlorine chlorinator 7 restarts aeration to form a feedback system, and the machine automatically maintains the chlorine dioxide concentration in the space within a set range, and the automatic control method can accurately control the space.
  • Chlorine dioxide concentration for better disinfection The concentration setting can be done with the buttons on the chassis.
  • the photocatalyst sterilization machine with chlorine dioxide sterilizer includes two functional parts: a molecular air disinfection part and a photocatalyst air purification part. They can work simultaneously or separately.
  • the specific instructions are as follows:
  • the power switch 8 When disinfecting with the machine, the power switch 8 is turned on, and the timing device 9 is set.
  • the air pump 74 generates compressed air to aerate the aeration strip 77, so that the chlorine dioxide molecules in the chlorine dioxide solution in the liquid storage chamber 72 are rapidly.
  • the water phase state is transferred to the gas phase state, and quickly escapes from the air outlet 131 on the rear cover 13 to the sealed space to be disinfected through the airflow mixing chamber 114, so that the sterilization concentration is reached within a prescribed time (5-10 minutes), and continues Required sealed disinfection time. Due to the rapid diffusion and non-pervasive diffusion of chlorine dioxide molecules, a highly efficient air disinfection effect is achieved.
  • the concentration of the chlorine dioxide solution and the amount of the solution can be adjusted to meet the hygiene requirements.
  • the first fan 6 is used to accelerate the escape of the chlorine dioxide molecules in the vaporized state to the space to be sterilized.
  • the power switch 8 When the air is cleaned by the machine, the power switch 8 is turned on, and the timing device 10 is set.
  • the second fan 5 draws air from the front grille 12 into the sterilization chamber 113, and large suspended particles such as pollen and dust in the air are adsorbed by the filter net 2.
  • the OH group can kill bacteria, virus and eliminate odor purifying air, purify the dirty air into fresh air of high oxygen content, and enter the airflow mixing chamber 114 through the vent 112, and the air outlet 131 from the back cover 13 discharge. It can fully meet the daily purification and disinfection of indoor air.
  • the power switch 8 When the air is purified and disinfected by the machine, the power switch 8 is turned on, the timing devices 9 and 10 are set, the purification and disinfection functions are simultaneously turned on, and the air entering the sterilization chamber 113 is filtered through the filter screen, sterilized by the photocatalyst and ultraviolet rays,
  • the airflow mixing chamber 114 enters the airflow mixing chamber 114, is mixed with the chlorine dioxide gas generated by the chlorine dioxide sterilizer 7, and is discharged from the air outlet 131 on the rear cover 13.
  • 2.6-3.0M such as 25M 2 house, pour 75ml disinfectant solution into the liquid storage chamber 72, add clean water, reach the specified waterline scale position, when disinfecting, close the door and window, time 15 minutes, open after 30 minutes The doors and windows are ventilated. Air disinfection requirements that fully meet hygiene standards.
  • 2.6-3.0M such as 100M 2 for housing, pour 300ml disinfectant solution into the liquid storage chamber 72, add clean water, reach the specified waterline scale position, when disinfecting, close the door and window, time 15 minutes, open after 30 minutes The doors and windows are ventilated. Fully meet the hygiene air disinfection standards.
  • the photocatalyst sterilization and disinfection machine with chlorine dioxide sterilizer of the invention can be designed into different models to be suitable for disinfection in different places, such as a model suitable for household (20M 2 -200M 2 ), used in a production workshop.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Catalysts (AREA)

Abstract

L'invention concerne un dispositif de stérilisation par photocatalyse présentant un stérilisateur au ClO2. Ce dispositif comprend: un boîtier (1) comprenant un corps principal (11), un compartiment avant présentant des parties en mailles (12) et un couvercle arrière (13) présentant une sortie d'air (131), une chambre de stérilisation (113), une paroi verticale (111), une entrée d'air (112), un compartiment de mélange de flux d'air (114), une structure alvéolaire photocatalytique (3), un filtre à tamis (2), des lampes UV (4), un premier ventilateur (6) et un stérilisateur au ClO2 (7), la chambre de stérilisation est montée entre le compartiment présentant des parties en mailles (12) et le corps principal (11). L'entrée d'air (112) est installée dans la paroi verticale (111) de la chambre de stérilisation (113); le couvercle arrière (13) est monté sur la partie arrière supérieure du corps principal (11); le compartiment de mélange de flux d'air (114) est monté entre le couvercle arrière (13) et le corps principal (11); la structure alvéolaire photocatalytique (3) et le filtre à tamis (2) sont disposés dans l'espace clos avant (12); les lampes UV (4) sont montées dans la chambre de stérilisation (113); le premier ventilateur (6) est monté dans le compartiment de mélange de flux d'air (114); et le stérilisateur au ClO2 (7) est monté sur le corps principal (11) sous le couvercle arrière (13). Pendant le fonctionnement du dispositif, le flux d'air entrant dans la chambre de stérilisation (113) est stérilisé par le photocatalyseur et la lumière UV, puis il pénètre dans le compartiment de mélange de flux d'air (114) par l'entrée d'air (112), se mélange au ClO2 produit par le stérilisateur au ClO2 (7), et sort par la sortie d'air (131) située sur le couvercle arrière (13).
PCT/CN2008/002040 2008-04-11 2008-12-22 DISPOSITIF DE STÉRILISATION PAR PHOTOCATALYSE PRÉSENTANT UN STÉRILISATEUR AU ClO2 WO2009124428A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810066626.7 2008-04-11
CN2008100666267A CN101554486B (zh) 2008-04-11 2008-04-11 具有二氧化氯消毒器的光触媒杀菌消毒机

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WO2009124428A1 true WO2009124428A1 (fr) 2009-10-15

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WO (1) WO2009124428A1 (fr)

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* Cited by examiner, † Cited by third party
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EP2722061A1 (fr) * 2011-06-20 2014-04-23 Fu-Kuo Huang Purificateur d'air
CN110124079A (zh) * 2019-06-18 2019-08-16 中预联控(天津)科技有限公司 一种实现人机共存的动态空间消毒方法及装置
CN111237910A (zh) * 2020-03-06 2020-06-05 佛山市爱普克斯环保科技有限公司 空气净化消毒系统
CN113117124A (zh) * 2021-04-20 2021-07-16 五炁医疗器械(河北)有限公司 一种消毒机的内循环消毒通道结构
IT202000016609A1 (it) * 2020-07-09 2022-01-09 Ditta Edoardo Lossa S R L Apparecchiatura di purificazione dell’aria e sanitizzazione di ambienti e relativo metodo di trattamento
CN116817401A (zh) * 2023-08-16 2023-09-29 济南海基科技发展有限公司 一种臭氧及紫外线消毒杀菌装置及使用方法

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CN105536825B (zh) * 2016-01-09 2018-11-23 深圳市康风环境科技发展有限公司 空气杀菌消毒净化用催化剂及其制备方法
WO2017117861A1 (fr) * 2016-01-09 2017-07-13 深圳市康风环境科技发展有限公司 Catalyseur pour stériliser, désinfecter et purifier l'air, et procédé de préparation de celui-ci
CN105617438B (zh) * 2016-03-31 2019-04-30 徐州市彭康电子设备有限公司 医院手术室用空气消毒器
CN109163394A (zh) * 2018-08-28 2019-01-08 老肯医疗科技股份有限公司 一种空气净化器
CN109432478A (zh) * 2018-10-26 2019-03-08 大连理工大学盘锦产业技术研究院 一种室内空气消毒与气态污染物治理装置
CN109395139A (zh) * 2018-11-22 2019-03-01 山西卓立佰电气有限公司 一种移动式二氧化氯消毒机
CN111281999A (zh) * 2020-04-21 2020-06-16 广东海明科技发展有限公司 一种具有杀菌消毒功能的包

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2722061A1 (fr) * 2011-06-20 2014-04-23 Fu-Kuo Huang Purificateur d'air
EP2722061A4 (fr) * 2011-06-20 2015-04-22 Fu-Kuo Huang Purificateur d'air
CN110124079A (zh) * 2019-06-18 2019-08-16 中预联控(天津)科技有限公司 一种实现人机共存的动态空间消毒方法及装置
CN110124079B (zh) * 2019-06-18 2024-03-19 中预联控(天津)科技有限公司 一种实现人机共存的动态空间消毒方法及装置
CN111237910A (zh) * 2020-03-06 2020-06-05 佛山市爱普克斯环保科技有限公司 空气净化消毒系统
IT202000016609A1 (it) * 2020-07-09 2022-01-09 Ditta Edoardo Lossa S R L Apparecchiatura di purificazione dell’aria e sanitizzazione di ambienti e relativo metodo di trattamento
WO2022009080A1 (fr) * 2020-07-09 2022-01-13 Ditta Edoardo Lossa S.R.L. Appareil de purification d'air et de désinfection de pièces et procédé de traitement de pièce associé
CN113117124A (zh) * 2021-04-20 2021-07-16 五炁医疗器械(河北)有限公司 一种消毒机的内循环消毒通道结构
CN116817401A (zh) * 2023-08-16 2023-09-29 济南海基科技发展有限公司 一种臭氧及紫外线消毒杀菌装置及使用方法
CN116817401B (zh) * 2023-08-16 2024-05-10 济南海基科技发展有限公司 一种臭氧及紫外线消毒杀菌装置及使用方法

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