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WO2000024667A1 - Procede et dispositif de traitement d'une installation de robinetterie - Google Patents

Procede et dispositif de traitement d'une installation de robinetterie Download PDF

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Publication number
WO2000024667A1
WO2000024667A1 PCT/BE1999/000134 BE9900134W WO0024667A1 WO 2000024667 A1 WO2000024667 A1 WO 2000024667A1 BE 9900134 W BE9900134 W BE 9900134W WO 0024667 A1 WO0024667 A1 WO 0024667A1
Authority
WO
WIPO (PCT)
Prior art keywords
tap
vibrations
installation
tap installation
liquid
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.)
Ceased
Application number
PCT/BE1999/000134
Other languages
English (en)
Inventor
Hilaire Fernand Achille Thomas
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
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU13667/00A priority Critical patent/AU1366700A/en
Priority to EP99970981A priority patent/EP1152972A1/fr
Publication of WO2000024667A1 publication Critical patent/WO2000024667A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/07—Cleaning beverage-dispensing apparatus
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/025—Ultrasonics

Definitions

  • the present invention concerns a method and a device to treat a tap installation, in particular to remove a number of living organisms, in particular bacteria and fungi, from at least a part of said tap installation, and to fight them, as well as to prevent the formation of lactic acids, which can give a bad taste to the drinks .
  • the invention is meant to be applied in installations for drawing beer, but in a more general way it is not excluded to apply it to installations for tapping other beverages, such as cola and other soft drinks, where one must also prevent the lines from going sugary and from closing up.
  • a tap installation consists of a pressure installation to put the liquid in a beer barrel under pressure, and a line which can be connected to the beer barrel and which is connected to a tap. Further, such a conventional tap installation also comprises a cooler, which usually consists of a vessel filled with liquid, a cooling circuit to cool the liquid and a line part extending through the vessel, usually in the shape of a serpentine, which is part of the above-mentioned tap line.
  • the present tap installations In order to prevent the contamination by bacteria and fungi and to be able to meet the prevailing health regulations, the present tap installations must be cleaned every six to seven weeks .
  • the invention aims a method and a device for treating a tap installation, whereby this tap installation is cleaned in a manner which differs from the conventional manner, is preserved from contaminations such as bacteria and fungi respectively, as well as of unwanted substances such as lactic acids, crystallised sugars and such.
  • the invention aims a method and a device whereby the above-mentioned disadvantages are excluded.
  • the invention concerns a method for treating a tap installation, in particular for removing at least a number of living organisms from at least a part of said tap installation and for fighting them', characterised in that it consists of producing vibrations in the tap installation, in particular in the liquid contained therein, so that at least a number of the living organisms which are found there are suppressed, and preferably also the formation of certain substances, such as said lactic acids, is prevented.
  • the above-mentioned organisms can be destroyed in no time, without the tap circuit having to be interrupted to this end.
  • the laborious conventional cleaning process can be entirely or partly omitted.
  • qualified personnel is no longer required to clean the tap installation.
  • Such a permanent installation also offers the advantage that it can be used in a precautionary way, either continuously or only a few hours a day, so that the growth and development of fungi and bacteria is permanently opposed.
  • vibrations are easily transmitted in liquid, hence also in the beer or such which is found in tap line, as well as in any possible cooling liquid if the tap installation is equipped with a cooler, as is usually the case. Thanks to the good transmission of the vibrations in the liquid, it is possible to obtain a very large efficiency with a relatively small capacity.
  • vibrations are used which suppress the bacteria and fungi which are usually found in tap installations, in particular vibrations which cause resonance vibrations in the bacteria and fungi, as a result of which they are damaged and die .
  • vibrations are used which suppress the bacteria and fungi which are usually found in tap installations, in particular vibrations which cause resonance vibrations in the bacteria and fungi, as a result of which they are damaged and die .
  • use is preferably made of vibrations in the ultrasonic range.
  • the frequency will be periodically altered. By changing the range of the frequency, various frequencies get a chance to act, so that resonance vibrations are produced in all the aimed organisms .
  • different frequencies are applied in steps, so that at least every frequency concerned gets a chance to act for a specific length of time, so that the organisms are subjected with great certainty for a certain length of time to the vibrations they resist the least.
  • the periodic change also contains a period during which the vibrations are interrupted. This creates so to say a shock effect. Indeed, the inventor found that the organisms concerned can resist this even less.
  • the length of the periodic change is at least 5 seconds, and better still about 10 seconds.
  • Use is preferably made of vibrations which consist of a square wave, or which approach a square wave.
  • the square wave can hereby have a local deformation, preferably in the shape of a protruding lip in the waveform, better still a lip which connects to one or both flanks of the square wave, in particular in the shape of what is called an overshoot. A large quantity of harmonics are created by this lip, so that the range of frequencies with which the organisms are fought is even considerably increased.
  • the above-mentioned vibrations are preferably induced in the liquid contained in said vessel.
  • This vessel is an ideal place to accommodate the vibrating source.
  • the liquid mass guarantees an optimal transmission of the vibrations towards the tap line, after which these vibrations are felt over several metres in the tap line.
  • the vibrations could also be induced in a reservoir according to the invention which is especially filled with liquid to this aim, through which the tap line extends, without this reservoir having any particular function as such. Further, it is clear that it is not excluded to induce the vibrations on other places in the tap installations, either or not combined with vibrations which can be induced in the tap installation as mentioned above. Thus, for example, it is possible to connect additional vibration installations on the tap line, preferably in the shape of transducers, which is particularly indicated in case of a particularly long tap line .
  • the invention also concerns a device to realise the above- described method, characterised in that it mainly consists of a vibration generator and at least one vibration source coupled thereto which is fit to co-operate with a tap installation to thus induce the generated vibrations in the tap installation.
  • the vibration generator is provided with an electronic circuit which makes it possible to generate vibrations of the above-described frequencies and/or waveforms .
  • This device is preferably built-in permanently, coupled to the tap installation respectively, but it is not excluded to provide a mobile tap installation with which tap installations to be cleaned can be treated.
  • figure 1 schematically represents a tap installation according to the invention
  • figure 2 represents a schematic section to a larger scale of the part indicated by F2 in figure 1
  • figure 3 represents a waveform of the vibrations which are preferably applied.
  • Figure 1 represents a tap installation 1 which traditionally consists of a pressure installation 2 to put the beer 3 contained in a beer barrel 4 under pressure; a cooler 5 and a tap 6.
  • the beer 3 is hereby conducted from the beer barrel 4 to the tap 6 via the cooler 5 by means of a tap line 7.
  • the cooler 5 consists of a vessel 9 filled with water 8; a cooling circuit 10 to cool the water 8; and a line part extending through the vessel 9 in the cooled water 8, in the shape of a serpentine 11, which is part of the above- mentioned tap line 7.
  • the invention is special in that the tap installation 1 is provided with a device 12 to induce vibrations in the tap installation 1, such that bacteria and fungi are destroyed, and the development thereof is counteracted respectively.
  • the device 12 mainly consists of a vibration generator 13 and at least one vibration source 14 which is fit to co- operate with the tap installation 1.
  • the vibration generator 13 consists of a circuit which makes it possible to generate electric vibrations which are transformed in acoustic vibrations at the vibration source 14. It is clear that this vibration generator 13 preferably has an electronic nature and is built such that vibrations are produced as explained in the introduction. On the basis of the information mentioned in the introduction regarding the nature and form of the vibrations, any professional will know how the electronic circuit is built . That is why the exact construction of such a circuit is not described in detail .
  • the vibration source 14 may be of any nature whatsoever.
  • a vibration source 14 will be used having the shape of a vibration unit which is mounted in the cooler 5 of the tap installation 1.
  • said vibration ' source 14 preferably consists, as represented, of a loudspeaker 15 and a conducting channel 16 for the vibrations mounted underneath it, which conducting channel 16 extends into the water 8.
  • the tap line 7 is situated in the water 8 over a relatively large length, in the shape of said serpentine 11, a large contact surface is consequently obtained to transmit the vibrations, namely the entire contact surface between the water 8 and the serpentine 11.
  • the loudspeaker 15 is preferably a crystal loudspeaker, which offers the advantage that it is easy to produce ultrasonic tones therewith, and that it is well resistant to moisture.
  • vibration sources 17 and 18 in the example can be provided, for example when the effect of the vibration source 14 is expected to be insufficient .
  • These vibration sources 17 and 18 preferably consist of transducers which are fixed by means of suitable coupling means to transmit the vibrations to the tap line 7, or to elements which are part thereof.
  • the vibration sources 17 and 18 are preferably fed by means of one and the same vibration generator 13.
  • the device 12 can be easily mounted in an existing tap installation 1.
  • the vibration generator 13 can be provided in a housing and can be fed by means of a simple connection to the mains by means of an ordinary plug 19 in a wall socket .
  • the connection between the vibration generator 13 and the vibration sources 14, 17 and 18 can be easily realised with for example what is called a loudspeaker cable .
  • figure 3 represents another embodiment of the waveform 20 which is preferably applied and which, as already explained in the introduction, consists of a square wave with a lip 21 in the shape of an overshoot.
  • the working of the device 12 can be easily derived from what precedes and consists in that, when the vibration generator 13 is switched on, vibrations, preferably of the above-mentioned frequency and waveform, are produced via the vibration source 14-17-18 and are induced in the tap line 7, where they are transmitted up to the beer barrel 4, as well as to the tap 6.
  • the vibrations kill the bacteria and fungi and prevent the formation of any new nidi of bacteria and fungi .
  • the formation of lactic acids is also prevented in this manner, so that the beer will not get a buttery taste.
  • tap installations 1 for sugary soft drinks it also prevents the lines from going sugary.
  • the device 12 is preferably permanently switched on. It should be noted that a device 12 with a small capacity, for example of 7 Watts, may suffice.
  • the invention is meant to keep tap installations 1 free of living organisms, or at least to fight them. Not only organisms within the tap line 7 are concerned, but also organisms in other places where liquid can be found, i.e. both in the beer barrel 4 and in the water 8, or in any other cooled liquid through which the tap line 7 is guided.
  • the water 8 'had to be salted water, i.e. brine, in the embodiments known until now, in order to prevent the formation of algae in the vessel 9, this in order to prevent an unpleasant smell being formed after a while due to the presence of such algae.
  • the use of such salted water is disadvantageous in that all the materials which come into contact with it, among others the serpentine 11, are affected.
  • the algae are suppressed and destroyed by means of the above-mentioned vibrations, so that water 8 can be used without any salt or other means being added to it, which offers the advantage that the material can be prevented from being affected, or that this can be at least minimised.

Landscapes

  • 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)
  • Physical Water Treatments (AREA)

Abstract

Procédé de traitement d'une installation de robinetterie, en particulier pour éliminer au moins un certain nombre d'organismes vivants d'au moins une partie de ladite installation de robinetterie (1) et pour les combattre, caractérisé en ce qu'il consiste à produire des vibrations dans l'installation de robinetterie (1), en particulier dans le liquide (3-8) contenu dans celle-ci.
PCT/BE1999/000134 1998-10-28 1999-10-27 Procede et dispositif de traitement d'une installation de robinetterie Ceased WO2000024667A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU13667/00A AU1366700A (en) 1998-10-28 1999-10-27 Method and device for treating a tap installation
EP99970981A EP1152972A1 (fr) 1998-10-28 1999-10-27 Procede et dispositif de traitement d'une installation de robinetterie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9800776A BE1012253A3 (nl) 1998-10-28 1998-10-28 Werkwijze en inrichting voor het behandelen van een tapinstallatie.
BE9800776 1998-10-28

Publications (1)

Publication Number Publication Date
WO2000024667A1 true WO2000024667A1 (fr) 2000-05-04

Family

ID=3891489

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BE1999/000134 Ceased WO2000024667A1 (fr) 1998-10-28 1999-10-27 Procede et dispositif de traitement d'une installation de robinetterie

Country Status (4)

Country Link
EP (1) EP1152972A1 (fr)
AU (1) AU1366700A (fr)
BE (1) BE1012253A3 (fr)
WO (1) WO2000024667A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1855728A4 (fr) * 2005-02-08 2009-06-10 Cavitus Pty Ltd Appareil et procede de nettoyage et de desinfection ultrasoniques

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672823A (en) * 1970-03-25 1972-06-27 Wave Energy Systems Method of sterilizing liquids
FR2663648A1 (fr) * 1990-06-25 1991-12-27 Havas Francois Dispositif electroacoustique de traitement de l'eau.
WO1993013674A1 (fr) * 1992-01-14 1993-07-22 Franz Roiner Procede et dispositif d'extermination de miroorganismes
WO1994007790A1 (fr) * 1992-09-25 1994-04-14 Clive Barnes Procede de prevention de la croissance d'agents contaminants dans des conduites de biere
DE4323212A1 (de) * 1993-07-12 1995-01-19 Honeywell Elac Nautik Gmbh Vorrichtung zum Behandeln strömender Medien mit Ultraschall
DE29700475U1 (de) * 1997-01-14 1998-05-14 Industrie- und Schiffs-Service R. Gradewald oHG, 22880 Wedel Gerät zur Reduzierung des Infektionspotentials von strömenden Flüssigstoffen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672823A (en) * 1970-03-25 1972-06-27 Wave Energy Systems Method of sterilizing liquids
FR2663648A1 (fr) * 1990-06-25 1991-12-27 Havas Francois Dispositif electroacoustique de traitement de l'eau.
WO1993013674A1 (fr) * 1992-01-14 1993-07-22 Franz Roiner Procede et dispositif d'extermination de miroorganismes
WO1994007790A1 (fr) * 1992-09-25 1994-04-14 Clive Barnes Procede de prevention de la croissance d'agents contaminants dans des conduites de biere
DE4323212A1 (de) * 1993-07-12 1995-01-19 Honeywell Elac Nautik Gmbh Vorrichtung zum Behandeln strömender Medien mit Ultraschall
DE29700475U1 (de) * 1997-01-14 1998-05-14 Industrie- und Schiffs-Service R. Gradewald oHG, 22880 Wedel Gerät zur Reduzierung des Infektionspotentials von strömenden Flüssigstoffen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1855728A4 (fr) * 2005-02-08 2009-06-10 Cavitus Pty Ltd Appareil et procede de nettoyage et de desinfection ultrasoniques

Also Published As

Publication number Publication date
BE1012253A3 (nl) 2000-08-01
AU1366700A (en) 2000-05-15
EP1152972A1 (fr) 2001-11-14

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