EP1859204B1 - Befeuchter mit maximaler dekontaminierung - Google Patents

Befeuchter mit maximaler dekontaminierung Download PDF

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Publication number
EP1859204B1
EP1859204B1 EP06726007A EP06726007A EP1859204B1 EP 1859204 B1 EP1859204 B1 EP 1859204B1 EP 06726007 A EP06726007 A EP 06726007A EP 06726007 A EP06726007 A EP 06726007A EP 1859204 B1 EP1859204 B1 EP 1859204B1
Authority
EP
European Patent Office
Prior art keywords
misting
manifold
pump
uvc
source
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.)
Not-in-force
Application number
EP06726007A
Other languages
English (en)
French (fr)
Other versions
EP1859204A1 (de
Inventor
Lionel Nicolai
Alain Nicolai
Robert Castro
Marc Lassus
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.)
MEDCLAN
Original Assignee
MEDCLAN
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Publication date
Priority claimed from FR0502154A external-priority patent/FR2875718B1/fr
Application filed by MEDCLAN filed Critical MEDCLAN
Publication of EP1859204A1 publication Critical patent/EP1859204A1/de
Application granted granted Critical
Publication of EP1859204B1 publication Critical patent/EP1859204B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
    • F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles

Definitions

  • the present invention relates to water misting devices intended mainly for all places requiring a bacteriologically perfect hygiene such as industrial installations requiring misting devices, and concerns in particular a misting device with maximum decontamination.
  • the fogging of a liquid, and in particular the misting using water is a cooling technique increasingly used in public places to fight against heat stroke especially during periods of heat wave. It consists in projecting water microdroplets with a size varying from 3 ⁇ to 20 ⁇ using misting nozzles using a high-pressure pump between 45 and 110 bar.
  • the contamination process also involves other bacteria or viruses that cause diseases such as SARS or bird flu. These diseases can be transmitted by all aerolization processes such as misting which generate droplets whose inhalation by the respiratory tract generates very serious lethal pulmonary lesions.
  • the object of the invention is to provide a misting device in which the liquid droplets provided by the misting nozzles do not contain pathogenic microorganisms.
  • the object of the invention is therefore a misting device comprising a misting ramp comprising a plurality of misting nozzles, a liquid source supplying the liquid for supplying the misting ramp, a pump adapted to supply under high pressure, typically between 45 and 110 bar, the liquid from the source to the misting ramp.
  • the device also comprises at least one particulate filter, retaining particles having a size greater than about 1 ⁇ and receiving the liquid from the source, an ultrafiltration filter receiving the liquid from the particulate filter to retain microorganisms having a size greater than 0.2 ⁇ , and a UVC boom chamber with one or more lamps UVC placed in quartz sheaths receiving the liquid from the ultrafiltration filter and adapted to destroy microorganisms with a size less than 0.2 ⁇ .
  • the device further comprises a dosing pump placed after the UVC ramp chamber, the dosing pump regularly supplying biocidal or virucidal products in order to prevent the formation of a biofilm in the pipes between the pump and the boom. misting.
  • the embodiment of the misting device illustrated in the single figure is mainly used in industrial installations requiring permanent misting such as paper mills or waste disposal centers, but also in poultry installations or greenhouses. It can also be used in hospitals and retirement homes.
  • misting device 10 which is generally the water distribution network, a pump 12 adapted to provide the outlet water at a high pressure between 45 and 110 bar, and a misting ramp 14 comprising misting nozzles (not shown).
  • a misting ramp 14 comprising misting nozzles (not shown).
  • the nozzles consist of a pressurizing chamber in which is located a finned stainless cylinder.
  • the water projected against this cylinder acts as a lubricant by rotating it and breaking up into microscopic particles smaller than 10 ⁇ which are driven outside by the high pressure.
  • a flow of air is created to the extent that the hygrometric degree of air in the whole room tends to become uniform. This gives a natural ventilation of the room. Note that it is also possible to install a fan if you want to get faster ventilation.
  • the water inlet pipe 11 from the source 10 supplies the water to a series of three filters, two particulate filters 50 and 52 and an ultrafiltration filter 18 followed by a UVC ultraviolet radiation beam 20 (Ultra Purple Type C) to destroy all microorganisms less than 0.2 ⁇ in size and mainly viruses that are too small to be retained by the ultrafiltration filter.
  • a UVC ultraviolet radiation beam 20 Ultra Purple Type C
  • the first filter 50 is a positively charged filter stopping all particles larger than 4,5 ⁇ .
  • the second filter 52 stops all particles and colloidal materials larger than 0.5 ⁇ .
  • the ultrafiltration filter 18 retains a large part of the microorganisms, that is to say all those whose size is greater than 0.2 ⁇ and which, otherwise, could screen for microorganisms of infinitesimal size such as viruses that are eliminated by the UVC ramp, and retains in particular the bacteria present in the water.
  • particulate filter 50 which protects the following two filters, is inexpensive and is changed frequently, for example once a month.
  • the second filter 52 is changed only every six months, and the ultrafiltration filter 18, which is more expensive, can only be changed once a year.
  • the UVC ramp 20 consists of one or more low pressure mercury vapor lamps emitting at the germicidal wavelength of 253.7 to 258 nanometers. These lamps are placed in quartz sheaths. Water circulates in the treatment chamber 20 around the sheaths, quartz. These sheaths serve as separation between the lamp (s) and the liquid as electrical and thermal insulation and allow operation at an optimum temperature.
  • An UV meter 32 permanently indicates in percentage with respect to the intensity of the lamp emitted at the beginning of life, the intensity received at the most unfavorable point of the chamber. It is an indicator of efficiency that takes into account all the parameters influencing performance such as lamp aging, fouling of quartz sheaths covering the lamps and the deterioration of the quality of the water.
  • the UVmeter can control an alarm device (not shown) that triggers when the intensity emitted by the lamps is insufficient to ensure perfect decontamination of the water.
  • An automatic cleaning device 34 may be connected to the UVC ramp chamber 20. This device acts by scraping to remove deposits that may have formed on the quartz sheaths and thus mask the radiation. This device thus avoids the disassembly of the lamps and the emptying of the chamber. It can be triggered according to two modes of operation: either by the intensity decrease of the UVC radiation measured by the UVmeter 32, or by programming a regular cycle which depends on the operating time of the UVC lamps.
  • misting ramps can have total lengths of 400 m. It is therefore absolutely necessary to secure the entire device to be able to prevent the formation of a biofilm of microorganisms such as legionella in the pipes leading to the misting ramp by regular treatment by means of a metering pump 53 allowing inject regularly products fighting against the formation of this biofilm.
  • Such products are biocidal compounds destroying bacteria or better, virucidal compounds destroying viruses as well as bacteria. In this way, the quality of the water circulating in the device will be equal to that obtained at the exit of the UVC ramp.
  • the misting device is drained so as to eliminate the slightest risk of contamination.
  • all the pipes connecting the elements of the misting device such as the pipe 11 from the source 10 or the pipe 28 connecting the pump 12 to the misting ramp 14 are preferably copper which is a bactericidal metal or alloy of copper.
  • the misting device according to the invention can also be used in public places such as motorway areas, railway stations, airport lobbies, or private places such as patios, restaurant terraces, shops, etc. It can also be used in professional sites such as greenhouses, fish stalls, vegetable stalls or humid Aero-refrigerant towers (TAR).
  • public places such as motorway areas, railway stations, airport lobbies, or private places such as patios, restaurant terraces, shops, etc. It can also be used in professional sites such as greenhouses, fish stalls, vegetable stalls or humid Aero-refrigerant towers (TAR).
  • TAR humid Aero-refrigerant towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Air Humidification (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Claims (9)

  1. Vorrichtung zur Sprühnebelbildung, umfassend eine Sprührampe (14), umfassend eine Vielzahl von Sprühdüsen, eine Flüssigkeitsquelle (10), die die Flüssigkeit liefert, die dazu bestimmt ist, die Sprührampe zu versorgen, eine Pumpe (12), die dazu vorgesehen ist, unter hohem Druck, im Allgemeinen zwischen 45 und 110 bar, die Flüssigkeit, die von der Quelle stammt, an die Sprührampe zu liefern; wobei die Vorrichtung auch mindestens einen Partikelfilter (50, 52), der die Flüssigkeit aufnimmt, die von der Quelle stammt, und die Partikel zurückhält, die eine größere Dimension als ungefähr 1 µ haben, wobei ein Ultrafiltrationsfilter (18) die Flüssigkeit aufnimmt, die vom Partikelfilter kommt, um die Mikroorganismen mit einer größeren Dimension als 0,2 µ zurückzuhalten, und eine Kammer mit einer UVC-Rampe (20) umfasst, die eine oder mehrere UVC-Lampen aufweist, die in Quarzhüllen angeordnet sind und die Flüssigkeit aufnehmen, die vom Ultrafiltrationsfilter kommt, und die dazu vorgesehen ist, die Mikroorganismen zu zerstören, deren Dimension kleiner als 0,2 µ ist;
    wobei die Vorrichtung dadurch gekennzeichnet ist, dass sie ferner eine Dosierpumpe (53) umfasst, die nach der Kammer mit UVC-Rampe angeordnet ist, wobei die Dosierpumpe regelmäßig biozide und viruzide Produkte liefert, um die Bildung eines Biofilms in den Rohren zwischen der Pumpe und der Sprührampe zu verhindern.
  2. Vorrichtung nach Anspruch 1, bei der ein UV-Meter (32) mit der Kammer mit UVC-Rampe (20) verbunden ist, wobei das UV-Meter ständig die am ungünstigsten Punkt der Kammer erhaltene Dosis in Prozent im Verhältnis zur Stärke der Lampe(n), die zu Beginn des Lebenszyklus entsandt wird, angibt.
  3. Vorrichtung nach Anspruch 2, bei der eine automatische Reinigungsvorrichtung (34) mit der Kammer mit UVC-Rampe (20) verbunden ist, wobei die automatische Reinigungsvorrichtung durch Abstreifen wirkt, um die Ablagerungen zu entfernen, die sich an den Quarzhüllen, die die Lampen umgeben, bilden konnten.
  4. Vorrichtung nach Anspruch 1, 2 oder 3, umfassend einen ersten Partikelfilter (50), der die Partikel mit einer Größe über 1 µ zurückhält, gefolgt von einem zweiten Partikelfilter (52), der die Partikel oder kolloidalen Substanzen mit einer Größe über 0,5 µ zurückhält.
  5. Vorrichtung nach Anspruch 4, umfassend ferner einen Partikelfilter (54), der nach der Dosierpumpe angeordnet ist und die Partikel mit einer Größe über 5 µ zurückhält.
  6. Vorrichtung nach Anspruch 4 oder 5, umfassend ferner Entleerungsausgänge, die sich im unteren Teil befinden, und insbesondere einen Entleerungsausgang (42) für die Sprührampe (14) und einen Entleerungsausgang (44) für die Pumpe (12).
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, bei der alle Rohre (11, 24, 28, 30), die die Elemente der Sprühnebelbildungsvorrichtung verbinden, aus Kupfer sind.
  8. Vorrichtung nach einem der Ansprüche 1 bis 7, bei der die Flüssigkeitsquelle (10) eine Wasserquelle ist.
  9. Verwendung der Vorrichtung nach einem der Ansprüche 1 bis 8 in Industrie- oder Vogelzuchtanlagen, die eine Sprühnebelbildungsvorrichtung benötigen, und insbesondere in Papierwerken.
EP06726007A 2005-03-03 2006-03-02 Befeuchter mit maximaler dekontaminierung Not-in-force EP1859204B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0502154A FR2875718B1 (fr) 2004-09-28 2005-03-03 Dispositif de brumisation a decontamination maximale
PCT/FR2006/000467 WO2006092506A1 (fr) 2005-03-03 2006-03-02 Dispositif de brumisation à décontamination maximale

Publications (2)

Publication Number Publication Date
EP1859204A1 EP1859204A1 (de) 2007-11-28
EP1859204B1 true EP1859204B1 (de) 2008-12-10

Family

ID=36581919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06726007A Not-in-force EP1859204B1 (de) 2005-03-03 2006-03-02 Befeuchter mit maximaler dekontaminierung

Country Status (13)

Country Link
US (1) US20080156901A1 (de)
EP (1) EP1859204B1 (de)
JP (1) JP2008532738A (de)
KR (1) KR20070110508A (de)
CN (1) CN100554799C (de)
AT (1) ATE417232T1 (de)
AU (1) AU2006219801A1 (de)
BR (1) BRPI0607398A2 (de)
CA (1) CA2593219A1 (de)
DE (1) DE602006004192D1 (de)
ES (1) ES2319928T3 (de)
RU (1) RU2007136485A (de)
WO (1) WO2006092506A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102407198A (zh) * 2011-11-04 2012-04-11 西安东风仪表厂 车载式旋转水射流水雾发生装置
CN103557025B (zh) * 2013-11-06 2016-06-29 淮南市百邦气动科技有限公司 一种气动高压微雾除尘装置

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* Cited by examiner, † Cited by third party
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US4572428A (en) * 1985-01-08 1986-02-25 Herrmidifier Company, Inc. In duct atomizing humidification and evaporative cooling system
JPH0746071Y2 (ja) * 1989-09-05 1995-10-18 東洋電機製造株式会社 インバータの自動切換回路
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JP2005013714A (ja) * 2004-05-07 2005-01-20 Tatsuo Okazaki 屋内空間殺菌方法及び装置

Also Published As

Publication number Publication date
WO2006092506A1 (fr) 2006-09-08
JP2008532738A (ja) 2008-08-21
ATE417232T1 (de) 2008-12-15
ES2319928T3 (es) 2009-05-14
CN101133287A (zh) 2008-02-27
RU2007136485A (ru) 2009-04-10
KR20070110508A (ko) 2007-11-19
BRPI0607398A2 (pt) 2011-02-22
AU2006219801A1 (en) 2006-09-08
EP1859204A1 (de) 2007-11-28
US20080156901A1 (en) 2008-07-03
CN100554799C (zh) 2009-10-28
DE602006004192D1 (de) 2009-01-22
CA2593219A1 (fr) 2006-09-08

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