WO2005028093A1 - Dispositif pour enrichir un liquide a l'aide d'au moins un gaz - Google Patents

Dispositif pour enrichir un liquide a l'aide d'au moins un gaz Download PDF

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Publication number
WO2005028093A1
WO2005028093A1 PCT/EP2004/009331 EP2004009331W WO2005028093A1 WO 2005028093 A1 WO2005028093 A1 WO 2005028093A1 EP 2004009331 W EP2004009331 W EP 2004009331W WO 2005028093 A1 WO2005028093 A1 WO 2005028093A1
Authority
WO
WIPO (PCT)
Prior art keywords
perforated plate
perforations
flow
gas
perforated
Prior art date
Application number
PCT/EP2004/009331
Other languages
German (de)
English (en)
Inventor
Thomas Funk
Original Assignee
Thomas Funk
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 Thomas Funk filed Critical Thomas Funk
Publication of WO2005028093A1 publication Critical patent/WO2005028093A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/236—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids specially adapted for aerating or carbonating beverages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube

Definitions

  • the invention relates to a device for enriching water or a water-containing liquid, for example beverages, with at least one gas or gas mixture, for example with carbon dioxide and / or with oxygen, the device comprising a mixing chamber for introducing the liquid and the gas or the gas mixtures, in which mixing chamber in the flow or flow direction of the media there is at least one perforated plate extending transversely to the flow direction, behind which an outlet for the enriched liquid and any remaining gas is provided.
  • a technically similar device of this type is known from DE 198 50 025 C2 and has proven itself to a certain extent.
  • a perforated plate serves as a perforated plate, it being necessary for several perforated plates of this type to be arranged one behind the other and for the hole or pore cross-sections to decrease in the flow direction from plate to plate.
  • the gas concentration in the water after passing through this device is not sufficient for some applications.
  • DE 198 51 360 A1 discloses a device in which a gas, for example carbon dioxide, is fed into a supply line for liquid, for example water or water-containing Liquid is introduced, after which the liquid and the gas are fed to a mixer which has a plurality of sieves in succession in the direction of flow. This is intended to introduce and mix the gas into the liquid.
  • a gas for example carbon dioxide
  • liquid for example water or water-containing Liquid
  • a comparable device is known from DE 200 22 286 U1, in which the screens each have a hole centrally in the middle, so that they can be individually pulled onto an adjusting rod in order to be able to set a desired length of the entire device.
  • a device for installation in waste water purification devices for supplying hoses, pipes and the like with gas is known, which is essentially formed from a base, for example a hollow body of any length, and a gas inlet opening and a connection selector .ent, which is connected to a gas supply line via a connecting element.
  • This is a device of a different type than that defined at the beginning.
  • the device defined at the outset is characterized in that the at least one perforated plate has perforations which flow or flow from one side to the other over at least part of its axial extent and part of the thickness of the perforated plate narrow or rejuvenate.
  • Tests have shown that such a nozzle-like lo- form compared to perforations with a constant cross-section over their entire length or compared to bores of constant diameter, the gas input can be increased considerably.
  • the flow path for the two media within the narrowing or tapering perforations these are brought together correspondingly more strongly and the liquid thereby absorbs more of the gas, for example carbon dioxide or oxygen.
  • the largest cross-sectional dimension of the perforations can be provided on the side opposite the flow on the surface of the perforated plate there. In addition to being relatively easy to manufacture, this also results in a better mixing effect of liquid and gas than if the tapering only begins at a distance from the surface of the perforated plate, which would also be possible -
  • the narrowing or tapering of the cross section of the perforations can extend over at least half of their axial extent.
  • the perforated plate is sufficiently thick, it can be provided that the perforations initially narrow or taper in the direction of flow and then run with a constant cross-section to the opposite surface of the perforated plate.
  • the perforations can narrow over the entire thickness of the perforated plate, and it is also expedient if the perforations are funnel-shaped down to the smallest cross section over the entire thickness of the perforated plate or over part of the thickness of the perforated plate rejuvenate.
  • the shape of the funnel represents a constant narrowing, which is particularly favorable in terms of flow technology.
  • the perforations can narrow evenly, i.e. with straight surface lines be provided, or the narrowing perforations can have convex and / or concave curved generatrices in the direction of flow, that is to say in longitudinal section the walls of the perforations are curved in one and / or other direction, and linear and curved wall regions can also be combined.
  • the cross section of at least some of the perforations can increase again from their smallest cross section, and the perforations can be designed like a diffuser on the rear side of the perforated plate in the direction of flow.
  • the perforations could have polygonal, for example quadrangular, pentagonal, hexagonal or octagonal, etc. cross-sections, it is particularly advantageous for the production if the perforations have a circular cross-section over at least part of their axial course, in particular are designed as bores which can get their tapering or narrowing shape with an appropriate form drill or milling cutter.
  • a further embodiment of the invention can provide that oblique or spiral or helical recesses or grooves or elevations are arranged in the walls of at least one or all of the perforations, which promote the formation of eddies within these perforations.
  • the introduction of the gas into the liquid within the respective perforation can be increased.
  • a particularly expedient embodiment of the invention for increasing the amount of gas introduced into the liquid can consist in that several perforated plates with perforations are provided one behind the other in the direction of flow, the cross-section of which is narrowed or tapered in the direction of flow. If necessary, perforated plates with perforations of constant cross section could also be combined with those whose perforations narrow in the direction of flow. The gas concentration in the liquid can thus be influenced and controlled by the choice of the number and spacing of the perforated plates.
  • At least one perforated plate of the plurality or all of the perforated plates can be detachably and / or exchangeably fastened within the mixing chamber.
  • the number of perforated plates can be changed, the amount of gas introduced into the liquid can also be influenced subsequently.
  • perforated plates with different sized perforations can be used in this way.
  • the edge of the perforated plate or perforated plates can be tightly connected to the inside of the mixing chamber, for example by a press fit. This avoids leaks and corresponding losses on the circumference of the perforated plates and it can be ensured that the liquid and the gas or gases flow exclusively through the perforations.
  • the mixing chamber has a circular cross section and the perforated plate (s) has a corresponding circular outline shape. This also simplifies the insertion of the perforated plate or perforated plate (s) inside the mixing chamber, with rapid dial somewhat projecting shoulders can be provided, on each of which a perforated plate can be supported.
  • the perforations can be distributed substantially uniformly over the surface of the respective perforated plate in order to make the best possible use of the surface for the entry of the gas into the liquid.
  • the perforations are arranged in perforated plates which are adjacent to one another in the direction of flow in different areas of these perforated plates, in particular in opposite halves.
  • the liquid and the gas or gases are first forced to flow through one area in the case of a perforated plate and, after leaving this perforated plate, to pass through at another point in the next perforated plate, so that an additional swirling and mixing with the corresponding one takes place between the two perforated plates additional absorption of gas in the liquid takes place.
  • a further expedient embodiment of the device according to the invention can consist in that the perforated plate, in particular for a device of large dimensions, has at least one or more openings distributed over its surface, each of which is equipped with a disc with narrowing perforations. With larger devices it is thus possible to determine the flow rate by the number of openings and the disks arranged therein.
  • a further embodiment is possible in that the perforated disks of the perforated plate can be exchangeable. This means that perforated discs with different numbers of holes or holes with different dimensions can be used. Furthermore, it is possible in this way that at least one of the perforations of the perforated plate can optionally be closed with a blind disk. This can also change the throughput and possibly increase the “dynamic pressure” in front of a perforated plate.
  • a premixing device for the liquid and the gas or gases can be provided in front of the first perforated plate in the flow direction.
  • the device and its individual parts can be made of metal.
  • the device is inexpensive to manufacture if the perforated plate (s) and / or the mixing chamber or the entire device are made of plastic. Above all, this allows shapes of perforations that would be very difficult to achieve with conventional metalworking methods.
  • a device is obtained with which water or water-containing or similar liquids, for example also beverages, can be mixed with gases without large containers, pumps, rotary machines and comparable complex mixers need. Intermediate tanks or pressure tanks in which the liquid and gas only mix or combine after many hours can also be avoided.
  • the control of the gas concentration can also be regulated by supplying the quantity of the gas introduced by means of a microprocessor in a predetermined ratio to the quantity of the liquid. If less liquid is supplied, correspondingly less gas is also introduced; on the other hand, if a lot of liquid is admitted into the device, a correspondingly large amount of gas is also supplied.
  • the flow can be directed from top to bottom or from bottom to top.
  • Fig. 1 is an exploded perspective view of a device according to the invention with a cylindrical mixing chamber, at least one perforated plate that can be used therein, an upper closure with inlet openings for liquid on the one hand and gas on the other hand, which closure can contain a premixing device, and a lower closure with an outlet for the enriched liquid .
  • 3 is an enlarged view of a perforated plate
  • 4 shows a longitudinal section through a partial area of the perforated plate with a funnel-shaped hole
  • FIG. 5 shows a representation corresponding to FIG. 4 with a different hole shape, in which a diffuser-like widening of the perforation is provided behind the funnel-shaped region, and
  • FIG. 7 shows a sectional illustration of the perforated plate in the region of a perforation, it being indicated that the wall of the perforation has spiral or helical depressions to promote the formation of eddies,
  • FIG. 8 shows a top view of the perforation according to FIG. 7,
  • FIG. 9 shows a perforated plate, in particular for a device of large dimensions according to the invention with several openings for inserting perforated disks and / or blind disks and
  • a device designated as a whole by 1 is used to enrich water or a water-containing liquid, for example beverages, with at least one gas or gas mixture, preferably with carbon dioxide and / or with oxygen.
  • the device 1 has a mixing chamber 2, into which the liquid and the gas or gas mixture — in the exemplary embodiment on the upper end face — can be introduced.
  • the device 1 is thus arranged vertically with its longitudinal center axis in the position of use and liquid and gas enter in the upper region and flow through the device 1 and the mixing chamber 2 from top to bottom.
  • the device 1 could also be arranged upside down and the flow directed from bottom to top.
  • the mixing chamber 2 Provided within the mixing chamber 2 in the flow or flow direction is at least one perforated plate 3 extending transversely to this direction, behind which an outlet 4 is provided in the lower area of the device 1 for the enriched liquid and any remaining gas.
  • the liquid inlet is designated 5 and the gas inlet 6.
  • the at least one perforated plate 3 which can be seen in FIGS. 1 and 2 and is clearly shown in FIGS. 3 and 10 has perforations 7 according to FIGS. 4 to 7, which at least in the flow or flow direction according to the arrow PF1 from one side to the other narrow or taper over part of their axial extent and part of the thickness of perforated plate 3. It can be seen that the largest cross-sectional dimension of the perforations 7 on the side facing the flow on the surface of the perforated plate 7 there is provided and the respective perforation 7 thus has a smaller cross section on the side facing away from the flow. Within the perforations 7, the flow rate of the liquid and the gas is increased due to the flow pressure and, at the same time, the mutual penetration of these different media is increased.
  • the narrowing or taper; the cross section of the perforations 7 can extend over at least half of their axial extent.
  • the perforations 7 can also taper over the entire thickness of the perforated plate 3 or they can run funnel-shaped over part of the thickness of the perforated plate 3 to a smallest cross section, which then extends until the exit of the Perforation 7 from perforated plate 3 remains the same (Fig. 4) -
  • FIGS. 5 and 7 show that within the thickness of the perforated plate 3, the cross section of at least part of the perforations 7 can increase again from their smallest cross section, so that the perforations 7 on the rear side of the perforated plate in the direction of flow or, in the exemplary embodiment, the lower side of the perforated plate 3 are designed like a diffuser, which can favor the absorption of gas into the liquid due to corresponding flow conditions.
  • the perforations in the region in which they narrow or taper have rectilinear surface lines, that is to say the longitudinal cuts through the corresponding perforations run in a straight line.
  • the narrowing or tapering does not run continuously and in a straight line, but with curved surface lines that could be convex and / or concave.
  • the perforations 7 can have a circular cross section over at least part of their course, expediently over their entire course, so that they can be designed as bores.
  • the entry of gas into the liquid can also be supported by the fact that at least one or all of the perforations 7 can be provided with oblique or spiral or helical recesses or grooves 8 or possibly also elevations in the walls, which promote vortex formation within the perforations 7.
  • Such perforations can be realized particularly easily if at least the perforated plate, but possibly also the entire device, are made of plastic.
  • a perforated plate 3 can be seen in FIGS. 1 and 2.
  • a single perforated plate of this type with the perforations 7 narrowing or tapering in the flow direction can suffice, for example, to introduce a sufficient amount of oxygen into water or into a water-containing liquid to be able to.
  • At least one or more or all of the perforated plates 3 can be detachably and / or exchangeably fastened within the mixing chamber 2. It is important that the perforated plate 3 or the perforated plates 3 are tightly connected with their edge 3a in the inside of the mixing chamber, for example by a press fit. 1, 2 and 3, a perforated plate 3 can be seen with a raised edge 3a, which allows a correspondingly good contact and pressure within the mixing chamber 2 with a correspondingly «tight fit.
  • the perforated disk 15 according to FIG. 10 could also be securely sealed and fixed as a perforated plate with a non-raised edge 3a within the mixing chamber 2, in particular if, as indicated in FIG. 2, it also applied to a shoulder 2a with its edge 3a is placed on the inside of the mixing chamber 2.
  • the mixing chamber 2 has a circular cross section and the perforated plates 3 are accordingly provided with a circular, matching outline shape.
  • a cylindrical shape of the mixing chamber 2 favors the flow directed from top to bottom.
  • the perforations 7 are distributed substantially uniformly over the surface of the respective perforated plate 3.
  • Such perforated plates 3 could then be arranged one behind the other within the mixing chamber 2 in such a way that the perforations of the perforated plate 3 adjacent in the flow direction are arranged below the non-perforated area of a perforated plate 3, so that there are additional deflections within the mixing chamber 2 between the perforated plates 3 result.
  • the fraction of the area of the perforated plate 3 with perforations 7 could also be selected differently and possibly also differently on the individual perforated plates 3.
  • FIG. 9 shows a modified perforated plate 13 which is to have a considerably larger dimension than the perforated plates according to FIGS. 1 to 3 and is accordingly intended for a device 1 of large dimension.
  • At least one of the openings 14 of the perforated plate 13 could be closed with a blind disk, the disks 15 also being interchangeable, so that the additions Order of such disks 15 and one or more dummy disks can optionally be changed subsequently.
  • a premixing device for the liquid and the gas can be seen in the flow direction in front of the perforated plate 3 shown, following the inlet 5 for the liquid and the inlet 6 for the gas or gas mixture.
  • the essential part of this premixing device is a bluff body 9, which fits with a threaded connector 10 into a central internal thread 11 of the upper end 12 of the mixing chamber 2 having the inlets 5 and 6.
  • this bluff body 9 On the outer edge of this bluff body 9, a truncated cone-shaped inclined surface 16 can be seen, which in the use position interacts with an analog annular circumferential inclined surface 17 arranged in the edge region of the mixing chamber 2 in the use position such that an annular gap remains free between these inclined surfaces 16 and 17, which also exists opposite the inside of the wall of the mixing chamber 2, so that the liquid and the gas above the bluff body 9 are in intensive contact with one another and premixed and can then enter the actual mixing chamber 2 through the mentioned annular gap.
  • the device 1 it is possible, in a simple manner, to mix these intensively with one another regardless of the amount of the liquid and the gases, and to significantly increase the gas concentration in a liquid.
  • the pressure and flow velocity can be influenced in a suitable manner, especially in front of the inlets 5 and 6, and is also known, for example, from DE 198 50 025 C2.
  • the device 1 serves to enrich liquids with a gas or gas mixtures, in particular with carbon dioxide and / or oxygen, and has a mixing chamber 2 into which the liquid and the gas or gases are introduced.
  • a perforated plate 3 extending transversely to the flow is provided behind the inlets 5 and 6, behind which further such perforated plates 3 can optionally follow at a distance, after which an outlet 4 of the mixing chamber 2 for the enriched one Liquid is provided. Since the perforations 7 in the or the perforated plates 3 narrow or taper in the direction of flow, there is an increased gas absorption of the liquid compared to bores which have a constant cross section.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)

Abstract

L'invention concerne un dispositif (1) servant à enrichir de l'eau ou un liquide contenant de l'eau au moyen d'un gaz ou de mélanges gazeux, en particulier à l'aide de dioxyde de carbone et/ou d'oxygène, ledit dispositif comprenant une chambre de mélange (2) dans laquelle sont introduits le liquide et le(s) gaz. Dans la direction d'écoulement orientée avantageusement de haut en bas sont disposés, après les orifices d'admission (5, 6) : une plaque perforée (3) s'étendant transversalement à l'écoulement, puis, à une distance, éventuellement des plaques perforées (3) similaires supplémentaires, et enfin l'orifice d'évacuation (4) de la chambre de mélange (2) pour le liquide enrichi. Les perforations (7) de la/des plaque(s) perforée(s), qui se rétrécissent ou s'amincissent dans la direction d'écoulement, permettent au liquide d'absorber plus de gaz que les trous de section transversale constante.
PCT/EP2004/009331 2003-08-28 2004-08-20 Dispositif pour enrichir un liquide a l'aide d'au moins un gaz WO2005028093A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10340024A DE10340024B3 (de) 2003-08-28 2003-08-28 Vorrichtung zum Anreichern einer Flüssigkeit mit wenigstens einem Gas
DE10340024.9 2003-08-28

Publications (1)

Publication Number Publication Date
WO2005028093A1 true WO2005028093A1 (fr) 2005-03-31

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PCT/EP2004/009331 WO2005028093A1 (fr) 2003-08-28 2004-08-20 Dispositif pour enrichir un liquide a l'aide d'au moins un gaz

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Country Link
DE (1) DE10340024B3 (fr)
WO (1) WO2005028093A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2189212A1 (fr) * 2008-11-25 2010-05-26 I-Fu Yang Système émulseur
JP2017516644A (ja) * 2014-04-15 2017-06-22 ヒョン リ，ヨ ベンチュリ構造の断面を持つメッシュ穴あけ網を利用した溶存管、マスタースクリーンローラーの製造方法及びこれに適合した電鋳金型方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005056723B4 (de) * 2005-11-29 2012-08-30 Roland Damann Vorrichtung zum Vermischen und Reagieren eines Gases und/oder einer Flüssigkeit mit einem flüssigen Medium
DE102007014611A1 (de) * 2007-03-23 2008-09-25 Linde Ag Vorrichtung zur kontinuierlichen Anreicherung von Gasen in Wasser
DE102009026376A1 (de) 2009-08-14 2011-02-24 Karl August Dr. Brensing Vorrichtung zum Eintrag von Gas in Flüssigkeiten
DE102017001151B4 (de) 2017-02-08 2022-07-28 Carbotek Systems GmbH Schankanlage, Zapfhahn dafür, sowie Verfahren zur Herstellung nitrogenisierten Kaffees oder Biers
GB201715434D0 (en) 2017-09-25 2017-11-08 Hatfield Timothy Jack Portable becerage dispenser

Citations (9)

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GB190906012A (en) * 1908-07-13 1909-11-18 Felten And Guilleaume Lahmeyer Improvements in or relating to Mixing Devices.
DE2436273A1 (de) * 1974-07-27 1976-02-12 Messer Griesheim Gmbh Vorrichtung zum eintragen eines gases in eine fluessigkeit
US4136976A (en) * 1977-05-23 1979-01-30 Nalco Chemical Company Static mixing device
DE2951445A1 (de) * 1978-12-21 1980-07-03 Showa Denko Kk Mischvorrichtung zum mischen von polymeren stoffen
JPS56166926A (en) * 1980-05-26 1981-12-22 Showa Denko Kk Mixer
JPS577237A (en) * 1980-06-12 1982-01-14 Fuji Oil Co Ltd Dispersing mixer for continuous whipper
DE20108721U1 (de) * 2001-05-25 2002-01-24 Anvar, Seyed Nooreddin, 40225 Düsseldorf Modul zur Vermischung von fließenden Flüssigkeiten mit Gasen
WO2004016117A1 (fr) * 2002-07-24 2004-02-26 Kundo System Technik Gmbh Procede et dispositif pour produire de l'eau de table avec adjonction de gaz carbonique
WO2004024306A1 (fr) * 2002-09-04 2004-03-25 Uwe Sonnenrein Dispositif et procede pour enrichir un gaz ou des melanges gazeux dans de l'eau potable

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DE19850025C2 (de) * 1998-10-30 2002-05-02 Thomas Funk Vorrichtung zum Anreichern von Trinkwasser mit Sauerstoff
DE19851360A1 (de) * 1998-11-08 2000-05-25 Spiegel Margret Verfahren und Anordnung zum Einbringen von Gas in Flüssigkeiten über einen neuartigen Mischer
DE29902256U1 (de) * 1999-02-09 1999-04-29 REHAU AG + Co., 95111 Rehau Begasungsvorrichtung
DE20022286U1 (de) * 2000-05-09 2002-02-28 Spiegel, Margret, 21509 Glinde Justiermöglichkeit für Kabonatorsiebe

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Publication number Priority date Publication date Assignee Title
GB190906012A (en) * 1908-07-13 1909-11-18 Felten And Guilleaume Lahmeyer Improvements in or relating to Mixing Devices.
DE2436273A1 (de) * 1974-07-27 1976-02-12 Messer Griesheim Gmbh Vorrichtung zum eintragen eines gases in eine fluessigkeit
US4136976A (en) * 1977-05-23 1979-01-30 Nalco Chemical Company Static mixing device
DE2951445A1 (de) * 1978-12-21 1980-07-03 Showa Denko Kk Mischvorrichtung zum mischen von polymeren stoffen
JPS56166926A (en) * 1980-05-26 1981-12-22 Showa Denko Kk Mixer
JPS577237A (en) * 1980-06-12 1982-01-14 Fuji Oil Co Ltd Dispersing mixer for continuous whipper
DE20108721U1 (de) * 2001-05-25 2002-01-24 Anvar, Seyed Nooreddin, 40225 Düsseldorf Modul zur Vermischung von fließenden Flüssigkeiten mit Gasen
WO2004016117A1 (fr) * 2002-07-24 2004-02-26 Kundo System Technik Gmbh Procede et dispositif pour produire de l'eau de table avec adjonction de gaz carbonique
WO2004024306A1 (fr) * 2002-09-04 2004-03-25 Uwe Sonnenrein Dispositif et procede pour enrichir un gaz ou des melanges gazeux dans de l'eau potable

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Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 054 (C - 097) 9 April 1982 (1982-04-09) *
PATENT ABSTRACTS OF JAPAN vol. 006, no. 068 (C - 100) 30 April 1982 (1982-04-30) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2189212A1 (fr) * 2008-11-25 2010-05-26 I-Fu Yang Système émulseur
JP2017516644A (ja) * 2014-04-15 2017-06-22 ヒョン リ，ヨ ベンチュリ構造の断面を持つメッシュ穴あけ網を利用した溶存管、マスタースクリーンローラーの製造方法及びこれに適合した電鋳金型方法
EP3133050A4 (fr) * 2014-04-15 2018-08-01 Yu Hyung Lee Tube de dissolution utilisant une maille en acier perforée ayant une section transversale à structure venturi, procédé de production de maître cylindre tramé et procédé de moulage d'électroforme approprié pour celui-ci

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