EP0707178B1 - Vorrichtung und Verfahren zur Luftaufbereitung - Google Patents

Vorrichtung und Verfahren zur Luftaufbereitung Download PDF

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Publication number
EP0707178B1
EP0707178B1 EP95116004A EP95116004A EP0707178B1 EP 0707178 B1 EP0707178 B1 EP 0707178B1 EP 95116004 A EP95116004 A EP 95116004A EP 95116004 A EP95116004 A EP 95116004A EP 0707178 B1 EP0707178 B1 EP 0707178B1
Authority
EP
European Patent Office
Prior art keywords
ozone
air
rooms
central station
ducts
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.)
Expired - Lifetime
Application number
EP95116004A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0707178A3 (de
EP0707178A2 (de
Inventor
Alexander Dr. Med. Balkanyi
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0707178A2 publication Critical patent/EP0707178A2/de
Publication of EP0707178A3 publication Critical patent/EP0707178A3/de
Application granted granted Critical
Publication of EP0707178B1 publication Critical patent/EP0707178B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • 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
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • 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
    • F24F8/26—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 using ozone
    • 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
    • F24F8/40—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ozonisation

Definitions

  • the invention relates to devices and a Process for the treatment of indoor air according to the generic term of the independent claims.
  • the quality of indoor air can be improved if treated with ozone becomes.
  • the indoor air is controlled by a climate or Heating system where it passes through an oxidizer occurs.
  • This air treatment takes place at the headquarters of Plant in an ozone generator with subsequent ozone catalyst.
  • the ozone generated in the ozone generator acts on the Air and removes germs, fungi, odors and Pollutants. Then the ozone in the catalyst is removed builds.
  • the room air prepared in this way leaves the control center and is pumped back into the rooms via a ventilation system.
  • the air has several disinfection stations spaced one after the other in the ventilation ducts are. This allows large areas of the climate or. Keep the heating system under aseptic conditions.
  • Ultraviolet light sources are used as sterilization stations that emit light with a germicidal effect. By connecting several of them in series Sources do not need the individual sources in particular to be powerful, which reduces their price.
  • ozone generators are used as sterilization stations.
  • the ozone concentration can be the effective range of effectiveness be adjusted. That is why the system comes with significantly lower ozone concentrations than existing ones Solutions.
  • the operational security is increased and Damage caused by unwanted oxidation is reduced.
  • the ozone is in the air Entry into the rooms by means of ozone catalysts or the like reduced. These can change at the end of each Feed channels are located. Because the ozone concentrations are relatively small, the catalysts can be simple be constructed. Are between the individual ozone sources no ozone catalysts necessary.
  • Figure 1 shows a simplified diagram an inventive system for air treatment in a building.
  • it can be a Act air conditioning or forced air heating.
  • the building has several rooms 1. Of the air becomes one via exhaust air ducts 2 - 4 Headquarters 5 brought.
  • the control center 5 comprises a circulation pump, Heating and cooling units, mixing chambers for feeding of fresh air, devices for regulating air humidity, Filters, etc. These are conventional Art executed and need not be described here to become.
  • the air then passes from the control center 5 via supply air ducts 6 - 8 and air outlets 9 back into the Rooms 1.
  • ozone generators 10 there are in the supply air ducts 6 and 7 as disinfection stations several ozone generators 10 arranged. With these generators is in all supply air ducts 6 - 8 maintain an ozone concentration get that to kill germs and break down Harmful and odorous substances are sufficient. Just before or in the Air outlets 9 are devices 11 for the depletion of ozone intended.
  • the ozone generators 10 can be Different types of ozonizers, e.g. Convert oxygen in the air to ozone. Even the devices 11 for ozone depletion can be conventional.
  • ozone catalysts can be used as described in EP-A-431 648. (As further described below can be used instead of the ozone generators ultraviolet light sources are also used.)
  • ozone generators generate not only ozone but also nitrogen oxides.
  • the air vents 9 devices 12 provided the Reduce the nitrogen oxide content in the air. It can be for example, suitable catalysts or filters.
  • the breakdown devices 11 and 12 can also be combined.
  • the installation of a device for reduction of nitrogen oxide is also recommended for air treatment plants, which have only a single ozone generator 10, such as. compact small air conditioners.
  • the device 12 for reducing Nitric oxide is preferably in front of the ozone depletion device 11 arranged as many of the known ozone depletion devices impaired in their function by nitrogen oxide become.
  • the ozone generators 10 are preferably regulated. As shown in Figure 2, anyone can do this Ozone generator 10 equipped with an ozone sensor 13 become. This sensor is at the end of the effective range of the respective ozone generator 10, i.e. before the following ozone generator 10 respectively. the following removal device 11, 12. Control electronics in every ozone generator ensures that the ozone concentration at the sensor 13 is kept at a setpoint. This has the advantage the different degrees of pollution of the air (which change the rate of ozone depletion) automatically be taken into account. If the air is very dirty, so the ozone depletion in the air is accelerated. In this If so, the ozone generation rate is automatically increased, so that the setpoint at sensor 13 is maintained.
  • Figure 3 shows the course of the ozone concentration in the system according to Figure 2. After each ozone generator 10 the concentration reaches a maximum value of Kmax and then falls on one at the end of the following effective range Minimum value from Kmin. When using ozone sensors 13 the minimum value Kmin corresponds approximately to the specified one Setpoint.
  • the minimum value Kmin is too choose that the effect of ozone for disinfection and sufficient to reduce pollutants, and that the formation of Foci of infection in the channels is prevented.
  • the concrete one Setpoint depends on the respective operating conditions from, and is particularly dependent on the lead time of the Air through the ozone-containing zone, from temperature, from the humidity and the amount to be oxidized Influences substances.
  • the concrete setpoint can be fixed be or from a central controller based on the current Operating parameters such as B. humidity, Air flow rate and temperature.
  • the maximum value Kmax is preferred regulated via the sensors 13. It gets bigger if the distance between successive ozone generators resp. the distance between the last generator and the mining device 11, 12 increases. This distance is in the meter or ten meter range, e.g. between 1 and 50 meters. It should be chosen so that at slightly polluted air and medium humidity the ratio Kmax: Kmin smaller, as clear as possible is less than 10, so that excessive peak values are avoided become.
  • Ozone sensor 14 is provided (see FIG. 2). This is readable in room 1 and indicates whether the ozone concentration the air coming through the outlet 9 has a limit value exceeds. This can be done using a chemical indicator such as e.g. wet potassium iodide, or an electronic sensor can be used with display. Such a limit monitor can also be used with conventional air treatment systems with only one ozone generator and compact Air conditioning units are provided.
  • the ozone generators don't necessarily have to be in continuous operation. You can also do it intermittently operate.
  • UV light sources instead of Ozone generators as disinfection stations also ultraviolet light sources be used.
  • these light sources Preferably these light sources generate UV-C radiation. UV light sources can be used individually, but also one after the other in the air duct used according to the arrangement described above become.
  • UV-C radiation on bacteria and germs can be generated directly or by UV light Ozone.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Central Air Conditioning (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Treating Waste Gases (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP95116004A 1994-10-13 1995-10-11 Vorrichtung und Verfahren zur Luftaufbereitung Expired - Lifetime EP0707178B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3075/94 1994-10-13
CH307594 1994-10-13
CH307594 1994-10-13

Publications (3)

Publication Number Publication Date
EP0707178A2 EP0707178A2 (de) 1996-04-17
EP0707178A3 EP0707178A3 (de) 1997-05-02
EP0707178B1 true EP0707178B1 (de) 2001-04-18

Family

ID=4248073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116004A Expired - Lifetime EP0707178B1 (de) 1994-10-13 1995-10-11 Vorrichtung und Verfahren zur Luftaufbereitung

Country Status (6)

Country Link
US (1) US5752878A (xx)
EP (1) EP0707178B1 (xx)
AT (1) ATE200706T1 (xx)
DE (1) DE59509203D1 (xx)
ES (1) ES2156176T3 (xx)
IL (1) IL115559A (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69725958T2 (de) * 1996-05-15 2004-09-02 Matsushita Electric Industrial Co., Ltd., Kadoma Verfahren zum Verhindern des Entweichens übermä igen Ozonmengen aus einer Vorrichtung zur Desodorisierung und Desinfizierung von Luft
CA2226927C (en) * 1998-03-18 1999-11-02 Robert Crosbie Ozone generator
AU765148B2 (en) * 1998-11-03 2003-09-11 Maria Teresa Vilarasau Alegre System for the microbiological disinfection of air conditioning and ventilation conduits
US7192553B2 (en) * 1999-12-15 2007-03-20 Plasmasol Corporation In situ sterilization and decontamination system using a non-thermal plasma discharge
AU2001259309A1 (en) * 2000-05-01 2001-11-12 Board Of Regents Of University Of Nebraska Office air handling unit
US6855295B2 (en) * 2000-07-17 2005-02-15 John C. Kulp UV air cleaning and disinfecting system
US20030207665A1 (en) * 2001-05-01 2003-11-06 Mingsheng Liu Office air handling unit
EP1450944A4 (en) * 2001-10-02 2005-07-06 Atmospheric Glow Technologies FAST-STERILIZATION OF AN AIR FILTER MEDIUM
US20040022679A1 (en) * 2001-11-02 2004-02-05 St. Onge Benedict B. Decontamination system for chemical and biological agents
ATE370754T1 (de) * 2002-01-16 2007-09-15 Halton Group Ltd Oy Vorrichtung und verfahren für ultraviolett- ventilationslampen
DE10203234A1 (de) * 2002-01-28 2003-07-31 Kendro Lab Prod Gmbh Dekontaminierbare Sicherheitswerkbank
US6793897B2 (en) * 2002-03-18 2004-09-21 John O. Shannon Biological and chemical defense apparatus utilizing cold plasma generated pressurized activated oxygen
US7407624B2 (en) * 2002-04-16 2008-08-05 Prompt Care, Inc. Method for abatement of allergens, pathogens and volatile organic compounds
AU2003223649A1 (en) * 2002-04-16 2003-11-03 Prompt Care, Inc. Method for abatement of allergens, pathogens and volatile organic compounds
CN100378406C (zh) * 2003-05-26 2008-04-02 金贤 一种中央空调灭菌消毒装置
US7449053B2 (en) * 2003-07-18 2008-11-11 David Richard Hallam Air filtration device
US20050163650A1 (en) * 2004-01-22 2005-07-28 Keith Crawford Particulate neutralization system for air handling equipment
CA2583896C (en) * 2004-10-12 2014-12-16 Pure Solutions, Llc Method for reducing allergens in an enclosure
BRPI0504499A (pt) * 2004-10-13 2006-05-23 Oreal composição cosmética, uso da composição, processos de tratamento cosmético dos cabelos e kit
PL399933A1 (pl) * 2012-07-12 2014-01-20 Bogdan Sliwinski Zespól obróbki powietrza oraz system zespolów obróbki powietrza
DE102017000426A1 (de) * 2017-01-17 2018-07-19 Fachhochschule Dortmund Verfahren und Desinfektionseinrichtung zur Desinfektion von Flüssigkeitskreisläufen in einem Gerät, insbesondere für Wasserkreisläufe in einem Hypothermiegerät
FR3076601B1 (fr) * 2018-01-05 2020-10-09 Vinci Construction Systeme de traitement de l'air pour un batiment ou navire

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US2150263A (en) * 1937-07-02 1939-03-14 New Discoveries Inc System for cleaning, sterilizing, and conditioning air
BE622105A (xx) * 1961-09-04
DE2243223A1 (de) * 1972-09-01 1974-03-07 Draegerwerk Ag Filtervorrichtung zur entfernung von bakterien aus der belueftungsluft
DE3418511A1 (de) * 1984-02-14 1985-11-21 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Geruchsabsorber mit fahrbarem schrank und rezirkulation der ansaugluft und zusaetzlichem duftfilterteil, vorzugsweise fuer krankenhaeuser
US4780277A (en) * 1985-05-10 1988-10-25 Shinryo Corporation Method and apparatus for subjecting gases to discharge treatment
AU610566B2 (en) * 1987-03-13 1991-05-23 Sharp Kabushiki Kaisha Deodorizing apparatus
JPH02164703A (ja) * 1988-12-19 1990-06-25 Fuji Electric Co Ltd オゾン供給装置
EP0390159B1 (en) * 1989-03-31 1994-05-04 Matsushita Electric Industrial Co., Ltd. Ozone deodorizing device
IL96555A0 (en) * 1989-12-08 1991-09-16 Union Carbide Chem Plastic Process and apparatus for de-polluting circulated air
JPH0829221B2 (ja) * 1989-12-15 1996-03-27 堺化学工業株式会社 オゾン分解方法
US4990313A (en) * 1990-01-12 1991-02-05 American Ultra Air, Inc. Ultraviolet device
US5032252A (en) * 1990-04-27 1991-07-16 Mobil Oil Corporation Process and apparatus for hot catalyst stripping in a bubbling bed catalyst regenerator
US5160481A (en) * 1991-06-27 1992-11-03 Weaver William C Ozone generation apparatus
EP0567775B1 (de) * 1992-04-28 1995-10-18 HumanAir Patentverwertungsgesellschaft mbH Verfahren zur Aufbereitung von Raumluft für den Humanbereich

Also Published As

Publication number Publication date
EP0707178A3 (de) 1997-05-02
ES2156176T3 (es) 2001-06-16
EP0707178A2 (de) 1996-04-17
ATE200706T1 (de) 2001-05-15
DE59509203D1 (de) 2001-05-23
IL115559A0 (en) 1996-01-19
US5752878A (en) 1998-05-19
IL115559A (en) 2000-02-29

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