WO2012041362A1 - Verfahren zur desinfektion von luft in luftkanälen - Google Patents
Verfahren zur desinfektion von luft in luftkanälen Download PDFInfo
- Publication number
- WO2012041362A1 WO2012041362A1 PCT/EP2010/064255 EP2010064255W WO2012041362A1 WO 2012041362 A1 WO2012041362 A1 WO 2012041362A1 EP 2010064255 W EP2010064255 W EP 2010064255W WO 2012041362 A1 WO2012041362 A1 WO 2012041362A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- disinfectant
- injection
- particles
- air supply
- Prior art date
Links
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
- A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
-
- 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
- A61L9/22—Ionisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/16—Connections to a HVAC unit
-
- 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Definitions
- the present invention describes a method for disinfecting air of an air stream in an air supply channel, in particular an air conditioning system with a non-toxic disinfectant.
- EP0615603 discloses a method and apparatus for disinfecting air in air supply ducts of an air conditioning system.
- a non-toxic disinfectant is injected against an air flow in an air supply channel by means of an injection device.
- the non-toxic disinfectant used kills fungi, algae, bacteria and similar organisms and is not only effective in the air flow itself, but, since it is reflected on the inner walls of the air supply channel, it acts long-term on the deposited on the inner walls of germs, so this no longer get into the airflow.
- the disclosed method describes the disinfection of the air in the area of the injection device.
- the particles of the disinfectant are firstly injected in the direction of the air flow in the air supply channel and on the other hand, the particles are ionized by means of ionization.
- the injection against the air flow results in the formation of clouds around the injection nozzles, wherein a part of the particles are thrown against the adjacent inner walls of the air supply channel in the vicinity of the injection device and deposit there preferably heaped up.
- ionization injected particles are electrically charged and, since the air supply channel is grounded, quickly dissipated in the direction of the inner wall of the air supply channel.
- the ionized particles are thereby deposited in the region of the injection nozzle shortly after emerging on the inner walls of the air supply channel and thus do not migrate further in the air supply channel. There is thus a locally limited to the place of injection limited disinfection of air in the injection device instead.
- the locally disinfected air is circulated in the air supply channel after disinfection in the vicinity of the injection device and is not further disinfected, since the range of the particles within the air supply channel is limited.
- the object of the present invention is to provide a method and a device for disinfecting air in air supply ducts, which or a distribution of particles of a disinfectant which extends over almost the entire length of the air supply ducts as homogeneously as possible on the inner walls allows the air supply channel.
- This task and additionally the avoidance of disturbing locally accumulated deposits on the inner wall in the area of Injection nozzles are achieved by the device according to the invention or the method according to the invention.
- the injection causes a connection of the disinfectant in the air and then its deposition on the channel inner walls.
- the disinfectant on a retentive behavior, which allows its distribution throughout the channel and thus sterilization of all inner walls.
- the air moves as a result of tests carried out in the channel a multiple (about 5-6 times) faster than the particles of the
- Discharge channel inner walls be carried along by the air flow again and settle again elsewhere. This process can be repeated, which allows a sufficiently complete wetting and sterilization of the channel inner walls.
- FIG. 1 shows a schematic view of an air supply channel.
- Figure 2 shows a schematic view of a section of a bent air supply channel, while
- Figure 3 shows a schematic view of a straight air supply duct with a chicane for manipulating the air flow. description
- Figure 1 shows a part of an air supply channel 1, wherein the air flow 2 is indicated by arrows 2.
- a flow sensor 4 and an injection device 3 with at least one injection nozzle 30 for atomizing and injecting the disinfectant are installed in the air supply channel 1 in succession.
- further injection devices 3 may be provided, which are not shown here. The method described here, as well as the device can be used in particular in air conditioning systems.
- the injection device 3 with the at least one injection nozzle 30 is connected to a pipeline 9 which leads to a pump 10 which pumps disinfectant dissolved in water from a reservoir 11 to the at least one injection nozzle 30.
- the flow sensor 4 may turn off the pump 10 when the airflow 2 falls below a certain threshold. In addition, the pumping operation of the air flow rate can be adjusted.
- the mist generated by the at least one injection nozzle 30 of the disinfectant consists of particles with a size of about 50 ⁇ ", which are injected in an injection direction 31 in the direction of the air flow 2.
- Particles can be transported far through the air supply channel 1 at best through the entire air supply channel 1 before they deposit on the inner walls 100, where they unfold their disinfecting effect for longer periods.
- the injection device 3 is arranged such that a portion of the air flow 2 is covered, whereby at a constriction 12, a higher flow velocity results.
- a Venturi tube there is a pressure difference between the constriction 12 of the air supply channel 1 and the areas of maximum cross-sectional area 13.
- the disinfectant is injected by the injection nozzle 30 dusted, whereby particles due to the high flow velocity with the air stream 2 are carried over long distances.
- the high flow rate prevents immediate adsorption of the particles on the inner walls 100 of the air supply channel. 1
- the curvature of the air supply channel 1 shown in Figure 2 leads to a flow acceleration, wherein prevails on the side of the narrower radius of curvature, at the output range of the curvature, a high pressure pl.
- the pressure p2 at the constriction 12 on the side of the larger radius is less than the pressure pl and a correspondingly high flow velocity of the air flow 2 is present at this point.
- the high flow rate carries atomized particles of the disinfectant, whereby a desired distribution of the disinfectant in areas far away from the injection device 3 is achievable.
- This arrangement of the injection device 3 in the region of a constriction 12 ensures that particles are distributed approximately homogeneously in the air supply channel 1 before they adsorb to the inner walls 100.
- a baffle 5 arranged within the cross section of the air supply channel 1 is used. This is shown schematically in FIG.
- the baffle 5 forms a constriction 12 in the air supply channel 1 and forces the air flow 2 targeted in the direction of the constriction 12, which again results in a pressure difference between pl and p2.
- the injection takes place downstream of the baffle 5 through at least one injection nozzle 30, whereby atomized disinfectant is deposited in wide areas of the air supply channel 1.
- On the baffle 5 in this embodiment can also be omitted.
- water can be evaporated at a suitable location in the air supply channel 1, the amount of which is regulated by the regulating device 8 with the aid of a moisture sensor.
- the same disinfectant is added to the water to prevent introduction of fungi or algae, etc.
- the disinfectant should meet the strictest health control requirements. It should not contain mercury, phenol or similar substances or alcohol.
- a biocidal product comprising lactic acid, vitamin C and citric acid, available under the tradename "OLLOSTAT" of the Applicant. This disinfectant has been approved by the Swiss Federal Office of Public Health for use as a disinfectant. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Central Air Conditioning (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2010361376A AU2010361376A1 (en) | 2010-09-27 | 2010-09-27 | Method for disinfecting air in air ducts |
CN201080069291XA CN103282059A (zh) | 2010-09-27 | 2010-09-27 | 用于在空气通道中消毒空气的方法 |
RU2013119370/15A RU2013119370A (ru) | 2010-09-27 | 2010-09-27 | Способ дезинфицирования воздуха в воздушных каналах |
JP2013530582A JP5693735B2 (ja) | 2010-09-27 | 2010-09-27 | 空気ダクト内の空気を殺菌する方法 |
US13/876,206 US20130255285A1 (en) | 2010-09-27 | 2010-09-27 | Method for disinfecting air in air ducts |
PCT/EP2010/064255 WO2012041362A1 (de) | 2010-09-27 | 2010-09-27 | Verfahren zur desinfektion von luft in luftkanälen |
EP10757771.0A EP2621547A1 (de) | 2010-09-27 | 2010-09-27 | Verfahren zur desinfektion von luft in luftkanälen |
CA2812625A CA2812625A1 (en) | 2010-09-27 | 2010-09-27 | Method for disinfecting air in air ducts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2010/064255 WO2012041362A1 (de) | 2010-09-27 | 2010-09-27 | Verfahren zur desinfektion von luft in luftkanälen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012041362A1 true WO2012041362A1 (de) | 2012-04-05 |
Family
ID=43127691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/064255 WO2012041362A1 (de) | 2010-09-27 | 2010-09-27 | Verfahren zur desinfektion von luft in luftkanälen |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130255285A1 (de) |
EP (1) | EP2621547A1 (de) |
JP (1) | JP5693735B2 (de) |
CN (1) | CN103282059A (de) |
AU (1) | AU2010361376A1 (de) |
CA (1) | CA2812625A1 (de) |
RU (1) | RU2013119370A (de) |
WO (1) | WO2012041362A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2991436A1 (fr) * | 2012-05-31 | 2013-12-06 | Stephane Jacky Boiral | Appareil pour conditionner l'air d'une piece ou d'une enceinte fermee |
IT201700064157A1 (it) * | 2017-06-09 | 2018-12-09 | Dropsa Spa | Dispositivo e metodo di sanificazione di un ambiente |
IT201700064091A1 (it) * | 2017-06-09 | 2018-12-09 | Dropsa Spa | Dispositivo e metodo di sanificazione di un ambiente |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101552874B1 (ko) * | 2015-05-28 | 2015-09-14 | 김정우 | 초입자 분무장치 |
US10758948B1 (en) * | 2019-04-01 | 2020-09-01 | William Edmund Harris | Apparatus and methods for cleaning and remediating environmental air handling apparatus |
CN106739967A (zh) * | 2016-11-24 | 2017-05-31 | 谢馥伊 | 一种随送风通道喷洒人体安全型消毒液的空调装置 |
IT202100028973A1 (it) * | 2021-11-16 | 2023-05-16 | Ras Group Srl | Sistema di sanificazione per impianti aeraulici |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0615603A1 (de) | 1992-04-28 | 1994-09-21 | Desostar Holland Bvio | Verfahren und vorrichtung zur desinfektion von luft in klimaanlagen. |
EP0687869A2 (de) * | 1994-06-13 | 1995-12-20 | CEPTER LTD., Switzerland | Verfahren und Vorrichtung zum Entwesen von Luft |
DE19931185A1 (de) * | 1999-07-07 | 2001-01-18 | Joerg Peter Schuer | Verfahren zur Entkeimung von Luft |
US6302331B1 (en) * | 1999-04-23 | 2001-10-16 | Battelle Pulmonary Therapeutics, Inc. | Directionally controlled EHD aerosol sprayer |
WO2009145038A1 (ja) * | 2008-05-27 | 2009-12-03 | パナソニック電工株式会社 | 空気清浄機 |
US20100219259A1 (en) * | 2009-02-27 | 2010-09-02 | Mario Starcic | Hvac disinfection and aromatization system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3503704A (en) * | 1966-10-03 | 1970-03-31 | Alvin M Marks | Method and apparatus for suppressing fumes with charged aerosols |
JPH0385180A (ja) * | 1989-08-15 | 1991-04-10 | Jerome H Remerson | 顔用マスク |
JP3501926B2 (ja) * | 1997-09-19 | 2004-03-02 | プリマハム株式会社 | 食肉の処理方法 |
JP2000257933A (ja) * | 1999-03-10 | 2000-09-22 | Giken Kogyo Kk | 脱臭機能付き排気用ダクト |
JP2003047938A (ja) * | 2001-08-08 | 2003-02-18 | Eiwa Kogyo:Kk | ゴミ処理機 |
JP2003147694A (ja) * | 2001-11-12 | 2003-05-21 | Nakadoi Riken Kk | 紙、不織布などにビタミン剤を混入し食品や生活必需品の有害物質除去材の製造方法 |
CN1444999A (zh) * | 2003-05-07 | 2003-10-01 | 李一平 | 大型雾化消毒通道 |
JP4697625B2 (ja) * | 2004-10-12 | 2011-06-08 | 俊介 細川 | 殺菌脱臭装置 |
JP4966169B2 (ja) * | 2007-11-21 | 2012-07-04 | パナソニック株式会社 | 送風装置 |
-
2010
- 2010-09-27 EP EP10757771.0A patent/EP2621547A1/de not_active Withdrawn
- 2010-09-27 CN CN201080069291XA patent/CN103282059A/zh active Pending
- 2010-09-27 US US13/876,206 patent/US20130255285A1/en not_active Abandoned
- 2010-09-27 AU AU2010361376A patent/AU2010361376A1/en not_active Abandoned
- 2010-09-27 RU RU2013119370/15A patent/RU2013119370A/ru not_active Application Discontinuation
- 2010-09-27 JP JP2013530582A patent/JP5693735B2/ja not_active Expired - Fee Related
- 2010-09-27 WO PCT/EP2010/064255 patent/WO2012041362A1/de active Application Filing
- 2010-09-27 CA CA2812625A patent/CA2812625A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0615603A1 (de) | 1992-04-28 | 1994-09-21 | Desostar Holland Bvio | Verfahren und vorrichtung zur desinfektion von luft in klimaanlagen. |
EP0687869A2 (de) * | 1994-06-13 | 1995-12-20 | CEPTER LTD., Switzerland | Verfahren und Vorrichtung zum Entwesen von Luft |
US6302331B1 (en) * | 1999-04-23 | 2001-10-16 | Battelle Pulmonary Therapeutics, Inc. | Directionally controlled EHD aerosol sprayer |
DE19931185A1 (de) * | 1999-07-07 | 2001-01-18 | Joerg Peter Schuer | Verfahren zur Entkeimung von Luft |
WO2009145038A1 (ja) * | 2008-05-27 | 2009-12-03 | パナソニック電工株式会社 | 空気清浄機 |
US20100219259A1 (en) * | 2009-02-27 | 2010-09-02 | Mario Starcic | Hvac disinfection and aromatization system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2991436A1 (fr) * | 2012-05-31 | 2013-12-06 | Stephane Jacky Boiral | Appareil pour conditionner l'air d'une piece ou d'une enceinte fermee |
IT201700064157A1 (it) * | 2017-06-09 | 2018-12-09 | Dropsa Spa | Dispositivo e metodo di sanificazione di un ambiente |
IT201700064091A1 (it) * | 2017-06-09 | 2018-12-09 | Dropsa Spa | Dispositivo e metodo di sanificazione di un ambiente |
Also Published As
Publication number | Publication date |
---|---|
CN103282059A (zh) | 2013-09-04 |
EP2621547A1 (de) | 2013-08-07 |
JP5693735B2 (ja) | 2015-04-01 |
JP2013540008A (ja) | 2013-10-31 |
RU2013119370A (ru) | 2014-11-10 |
AU2010361376A1 (en) | 2013-04-11 |
CA2812625A1 (en) | 2012-04-05 |
US20130255285A1 (en) | 2013-10-03 |
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