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EP2718033B1 - Verfahren zur dynamischen reinigung von wasserrohre eines fahrzeuges und vorrichtung zur durchführung des verfahrens - Google Patents

Verfahren zur dynamischen reinigung von wasserrohre eines fahrzeuges und vorrichtung zur durchführung des verfahrens Download PDF

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Publication number
EP2718033B1
EP2718033B1 EP12731532.3A EP12731532A EP2718033B1 EP 2718033 B1 EP2718033 B1 EP 2718033B1 EP 12731532 A EP12731532 A EP 12731532A EP 2718033 B1 EP2718033 B1 EP 2718033B1
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EP
European Patent Office
Prior art keywords
volume
liquid
water
tank
vehicle
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.)
Active
Application number
EP12731532.3A
Other languages
English (en)
French (fr)
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EP2718033A1 (de
Inventor
Morou Boukari
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.)
Prodose SARL
Original Assignee
Prodose SARL
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Publication date
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Publication of EP2718033A1 publication Critical patent/EP2718033A1/de
Application granted granted Critical
Publication of EP2718033B1 publication Critical patent/EP2718033B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing

Definitions

  • the present invention relates to the field of maintenance of the pipes forming the water network of vehicles and in particular adaptations to perform the cleaning of said pipes in the best conditions.
  • the document DE 102009009938 describes a method of inserting gas into water flowing in the water supply lines of an aircraft in order to create turbulence in the circulating flow, turbulence likely to prevent the deposition of biofilms and / or to detach the said deposit for evacuation purposes. Turbulence created by such a method is not always sufficient to perform a complete cleaning.
  • an intermediate state of the fluid flowing in the pipe namely a fluid formed of water and gas creating turbulence in the pipe to be cleaned, may not be sufficient. to detach some deposits.
  • shock created defines a constraint on deposits of biofilms, bacteria, scale which they can not resist thus ensuring their detachment and evacuation.
  • This shock wave is achieved by the establishment of a sudden discontinuity in the nature of the fluid passing through the pipe.
  • the method consists in creating a fluid by mixing a liquid with pressurized gas and propagating said shock wave in said fluid.
  • the creation of this mixture will not only support the shock wave but also create a turbulent phase conducive to the removal of any impurity in the pipe.
  • the method of the invention thus makes it possible to combine the advantages of an intermediate gas and liquid phase with those of an impact wave optimizing the constraints imposed on the depots to be removed and guarantee their detachment for evacuation purposes.
  • the method of the invention thus makes it possible to combine the creation of a shock wave with an intermediate gas / liquid phase capable of creating turbulence in the pipe to be cleaned.
  • the acceleration is obtained by pressurizing the unoccupied volume and maintaining the pressure despite the escape of the liquid by the throttling.
  • the gas and liquid mixture is obtained when the volume is almost emptied and where the liquid at its highest acceleration (due to the maintenance of the pressure) carries gas in its displacement and the shock wave is generated due to the sudden absence of liquid to move due to the total emptying and accelerated volume.
  • the method consists in heating the water filling the volume thus participating in the cleaning.
  • the vehicle is an aircraft.
  • the invention also relates to the device for implementing the method described above.
  • said constriction is created by the difference in diameter between the volume and the pipe in which the shock wave propagates.
  • said volume is that of a water tank of the vehicle.
  • said volume is that of an independent reservoir coming from the outside to connect to the pipe network of the vehicle.
  • This single module can thus, by connecting to the pipe network, implement the method of the invention. It also makes it possible to implement another characteristic of the process of the invention which consists in heating the water filling the volume of the tank so that the water ensures, by its temperature, a treatment function.
  • said liquid is water and in particular water already present in the storage tank of the vehicle.
  • the implementation of the method of the invention consists in controlling the filling and emptying of a tank of the vehicle as well as its pressurization in order to perform the various steps necessary to obtain a phase intermediate fluid and the propagation of the shock wave through said fluid.
  • the method of the invention applies to the drinking water supply network of an aircraft referenced A in which together comprises a water tank 100 and a plurality of pipes 200 forming said supply network. water for dispensing water to the faucets available to users such as faucet 300 shown.
  • the method of the invention for removing deposits is applied to the portion of a pipe 210 communicating said reservoir 100 to said valve 300.
  • the reservoir 100 has a much larger diameter than the pipe 210 to be cleaned.
  • This difference in diameter creates a constriction at the junction point P between said duct 210 and said reservoir 100.
  • the velocity at the point P increases from less than 10 meters per second to a velocity of more than 440 meters per second, which is the velocity of gas at the point P during the generation of the discontinuity.
  • FIG. 3 and 4 illustrate the implementation of the same method by a slightly different device in that it consists of a tank 400 independent of the aircraft A coming to connect to the pipe network 200 and associated with functional subassemblies allowing ensure the different phases of the process.
  • the device described above the latter is based on a large difference in diameter between that of the tank 400 and that of the pipe 220 connection with the pipe 210 to be cleaned.
  • a constriction at the point P 'of connection between the pipe 220 and the tank 400 makes it possible to create the desired discontinuity.
  • the arrival of the liquid at the tank bottom 400 creates the creative discontinuity of the desired shock wave 0 'propagating through the pipe 220 and 210 in the gas, the air / liquid mixture and in the liquid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (8)

  1. Verfahren zur dynamischen Reinigung der Trinkwasser-Versorgungsleitungen eines Fahrzeugs (A), das darin besteht, eine Stoßwelle (0) in der zu reinigenden Leitung (210) zu erzeugen,
    dadurch gekennzeichnet, dass es darin besteht:
    - ein Volumen (100) teilweise mit einer Flüssigkeit zu füllen,
    - das von der Flüssigkeit nicht eingenommene Volumen mit unter Druck stehendem Gas zu füllen,
    - die Flüssigkeit durch eine Drosselung (P) freizugeben, die mit dem Ende der besagten zu reinigenden Leitung(en) verbunden ist, deren anderes Ende unter Aufrechterhaltung des Drucks offen ist,
    um:
    - zuerst eine beschleunigte Bewegung der Flüssigkeit und danach des Gemisches aus Gas und Flüssigkeit zu erzeugen, die gebildet wird, und danach
    - eine Stoßwelle (0) zu erzeugen, sobald das Volumen (100) geleert ist, wobei sich die Stoßwelle durch das Gemisch hindurch ausbreitet.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es darin besteht, durch die Mischung einer Flüssigkeit mit unter Druck stehendem Gas ein Fluid zu erzeugen, und die besagte Stoßwelle durch das besagte Fluid auszubreiten.
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es darin besteht, das Wasser, welches das Volumen (100) ausfüllt, zu erhitzen.
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Fahrzeug (A) ein Luftfahrzeug ist.
  5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die besagte Drosselung durch den Unterschied im Durchmesser zwischen dem Volumen (100) und der Leitung (210) gebildet wird, in der sich die Stoßwelle ausbreitet.
  6. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das besagte Volumen jenes eines Wasserbehälters (100) des Fahrzeugs (A) ist.
  7. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das besagte Volumen jenes eines unabhängigen Behälters (400) ist, der sich von außen an das Leitungsnetz (200) des Fahrzeugs (A) anschließt.
  8. Vorrichtung, die die Anwendung des Verfahrens nach Anspruch 7 ermöglicht, dadurch gekennzeichnet, dass der besagte unabhängige Behälter (400) in einem mobilen Reinigungsmodul enthalten ist, das auf einer selben Plattform die folgenden Unterbaugruppen zusammenfasst:
    - Wasserbehälter (400),
    der das teilweise mit Wasser gefüllte Volumen bildet,
    - Heizmittel für das Wasser, das im Behälter enthalten ist, und somit eine Reinigungsflüssigkeit werden wird,
    - mit dem Behälter verbundene Mittel zur Druckbeaufschlagung, um letzteren unter Druck zu setzen, und um diesen Druck aufrecht zu erhalten,
    - Thermometer zur Kontrolle der Wassertemperatur,
    - Dosierpumpe, und
    - ein Mittel zum Filtern des Wassers.
EP12731532.3A 2011-06-06 2012-06-05 Verfahren zur dynamischen reinigung von wasserrohre eines fahrzeuges und vorrichtung zur durchführung des verfahrens Active EP2718033B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1154902A FR2975928B1 (fr) 2011-06-06 2011-06-06 Procede de nettoyage dynamique des canalisations d'eau d'un vehicule et dispositif permettant de le mettre en oeuvre
PCT/FR2012/051253 WO2012168645A1 (fr) 2011-06-06 2012-06-05 Procede de nettoyage dynamique des canalisations d'eau d'un vehicule et dispositif permettant de le mettre en oeuvre

Publications (2)

Publication Number Publication Date
EP2718033A1 EP2718033A1 (de) 2014-04-16
EP2718033B1 true EP2718033B1 (de) 2016-08-10

Family

ID=46456853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12731532.3A Active EP2718033B1 (de) 2011-06-06 2012-06-05 Verfahren zur dynamischen reinigung von wasserrohre eines fahrzeuges und vorrichtung zur durchführung des verfahrens

Country Status (6)

Country Link
US (1) US9694397B2 (de)
EP (1) EP2718033B1 (de)
CA (1) CA2875598C (de)
ES (1) ES2599662T3 (de)
FR (1) FR2975928B1 (de)
WO (1) WO2012168645A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11279638B2 (en) 2019-04-03 2022-03-22 Prodose Mobile device for treating water

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3011754B1 (fr) * 2013-10-10 2017-04-28 Prodose Procede de traitement a des fins de nettoyage des canalisations d'un reseau d'eau potable d'un aeronef
CN106733952B (zh) * 2016-12-27 2019-02-05 沪东中华造船(集团)有限公司 用于集滚船滚装设备液压管路坞内投油清洗的工艺方法
DE102018208602A1 (de) 2018-05-30 2019-12-05 Airbus Operations Gmbh Verfahren zur Desinfektion eines Wassersystems eines Luftfahrzeugs
DE102018208611A1 (de) 2018-05-30 2019-12-05 Airbus Operations Gmbh Verfahren zur Desinfektion eines Wassersystems eines Luftfahrzeugs
FR3140001A1 (fr) 2022-09-23 2024-03-29 Suez International procédé de nettoyage d’une canalisation polluée

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US5127961A (en) * 1990-12-14 1992-07-07 Naylor Industrial Services, Inc. Method and apparatus for forming a frothed fluid slug for pipe cleaning
US5178684A (en) * 1991-06-05 1993-01-12 Hutchins Sr Danny T Method for cleaning water pipe
US5530988A (en) * 1992-06-19 1996-07-02 Mcquillan; Raymond Device for clearing pipes or other lines with pressurized gas
US5915395A (en) 1996-05-29 1999-06-29 St Environmental Services Method for the cleaning of water mains
US6564816B2 (en) * 2001-09-20 2003-05-20 Asia Union Co., Ltd. Water hammer cleaning machine
US20040118437A1 (en) * 2002-12-23 2004-06-24 Nguyen Nick Ngoc Method of detecting flow in endoscope channels
US7421757B1 (en) * 2004-08-17 2008-09-09 Aimm Technologies, Inc. Pump valve mechanism
EP1911541A1 (de) * 2006-10-12 2008-04-16 Linde Aktiengesellschaft Verfahren zum und Einrichtung für die Reiningung von Schweissbrennern unter Verwendung eines kurzer Zeit dauerden Gasstromes mit hoher Geschwindigkeit
JP2009022513A (ja) * 2007-07-19 2009-02-05 Fujifilm Corp 内視鏡のすすぎ方法
DE102009009938B4 (de) * 2009-02-20 2013-10-17 Hammann Gmbh Vorrichtung und Verfahren zur Reinigung von Trinkwasserleitungen oder Abwasserleitungen in Fahrzeugen, insbesondere Flugzeugen, Schienenfahrzeugen oder Wasserfahrzeugen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11279638B2 (en) 2019-04-03 2022-03-22 Prodose Mobile device for treating water

Also Published As

Publication number Publication date
FR2975928B1 (fr) 2014-12-19
FR2975928A1 (fr) 2012-12-07
ES2599662T3 (es) 2017-02-02
US9694397B2 (en) 2017-07-04
CA2875598C (fr) 2019-04-16
US20140230845A1 (en) 2014-08-21
CA2875598A1 (fr) 2012-12-13
WO2012168645A1 (fr) 2012-12-13
EP2718033A1 (de) 2014-04-16

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