WO2004101123A1 - Dispositif et procede d'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide - Google Patents

Dispositif et procede d'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide Download PDF

Info

Publication number
WO2004101123A1
WO2004101123A1 PCT/DE2004/000895 DE2004000895W WO2004101123A1 WO 2004101123 A1 WO2004101123 A1 WO 2004101123A1 DE 2004000895 W DE2004000895 W DE 2004000895W WO 2004101123 A1 WO2004101123 A1 WO 2004101123A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid medium
section
gaseous
pipe section
pipe
Prior art date
Application number
PCT/DE2004/000895
Other languages
German (de)
English (en)
Inventor
Andreas Schmid
Wolfgang Geier
Original Assignee
Andreas Schmid
Wolfgang Geier
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 Andreas Schmid, Wolfgang Geier filed Critical Andreas Schmid
Publication of WO2004101123A1 publication Critical patent/WO2004101123A1/fr

Links

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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • 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
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237611—Air
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
    • B01F25/31253—Discharge
    • B01F25/312533—Constructional characteristics of the diverging discharge conduit or barrel, e.g. with zones of changing conicity

Definitions

  • the invention relates to a device and a method for introducing gaseous and / or liquid medium into liquid medium.
  • gaseous medium in liquid medium is an essential process step, especially in biological processes.
  • wastewater containing microorganisms in settling tanks is such a liquid medium, into which air or oxygen is preferably introduced as the gaseous medium.
  • air or oxygen is preferably introduced as the gaseous medium.
  • the air or oxygen introduced into the wastewater in the clarifier forms bubbles there that rise to the surface of the wastewater. Oxygen diffuses from the air or oxygen bubbles into the wastewater, but a considerable part of the oxygen escapes unused into the atmosphere.
  • the feed point of the air or oxygen can be arranged near the bottom of the clarifier, so that the oxygen bubbles have to travel a long way to the surface of the waste water, which improves the mass transfer of the oxygen into the waste water.
  • the mass transfer is also improved if the smallest possible gas bubbles are generated because small gas bubbles have a high volume-specific surface and remain in the liquid medium for longer.
  • a disadvantage is that the conventional methods, based on the effective entry of gas, usually air, in wastewater, for example, require a high amount of energy, so that as a rule 70% of the electricity consumption of a sewage treatment plant has to be used for the entry of air.
  • liquid medium which may contain, for example, flocculants and / or precipitants
  • the object of the present invention is to provide a device and a method for introducing gaseous and / or liquid medium into liquid medium which avoids these disadvantages.
  • this object is achieved with a device for introducing gaseous and / or liquid medium into liquid medium with a
  • Pipe system solved in which the pipe system has at least a first pipe section and a second pipe section and a constriction arranged between the first and second pipe sections, the constriction being designed as a cavitation nozzle, the second pipe section being connected to a supply for the gaseous and / or liquid medium and the device can be connected to a device for conveying the liquid medium through the piping system.
  • the object on which the invention is based is further achieved by a method for introducing gaseous and / or liquid medium into liquid medium, in which the liquid medium is supplied through a pipe system, the at least one first pipe section and a second pipe section and one arranged between the first and the second pipe section Cavitation nozzle has, is passed through with a sufficient flow rate, so that in the second pipe section downstream forms a vapor jacket from vaporized liquid medium from the cavitation nozzle between the pipe wall and the liquid medium and the gaseous and / or liquid medium is introduced into this vapor jacket.
  • a pipeline system with at least a first pipeline section and a second pipeline section with a constriction between the first and the second pipeline section, which as
  • Cavitation nozzle is formed, used with a supply connected to the second pipe section for a gaseous and / or liquid medium for introducing the gaseous and / or liquid medium into the liquid medium.
  • the liquid medium is passed through the pipeline system at a sufficient flow rate so that a vapor jacket of vaporized liquid medium is formed in the second pipeline section downstream of the cavitation nozzle between the pipeline wall and the liquid medium, into which the gaseous and / or liquid medium is introduced.
  • Cavitation is the effect of the formation of vapor bubbles on profiles in a liquid medium. Individual vapor bubbles form in the low pressure area on the top of the profile when the vapor pressure of the liquid medium is reached there. After the vapor bubbles have been transported to the rear edge of the profile, at which a high pressure is developed, the vapor bubbles collapse. When the flow velocity of the profile increases, stronger cavitation effects occur until a coherent layer of vapor is finally formed. By further increasing the inflow velocity, the cavitation layer can extend beyond the rear edge of the inflow profile. This phenomenon is called super cavitation. This means that the liquid medium evaporates as it flows through the cavitation nozzle to form a steam jacket and thus from supercavitation along the inner wall of the second pipe section.
  • This vapor jacket made of liquid medium has a negative pressure compared to atmospheric pressure.
  • gaseous and / or liquid medium preferably self-sucking, is introduced into the steam jacket from a supply for gaseous and / or liquid medium connected to the second pipeline section.
  • the gaseous and / or liquid medium to be introduced into the steam jacket from evaporated liquid medium must therefore be extremely advantageously not under excess pressure.
  • the gaseous medium can be a mixture of several gases, e.g. Air is.
  • the gas component contained in the gaseous medium and to be introduced into the liquid medium has a comparatively high partial pressure compared to the partial pressure of the same gas component in the vapor of the liquid medium, it is assumed that a partial pressure equalization takes place by diffusion of this gas component from the gaseous medium into the vapor of the liquid medium ,
  • the liquid medium is a wastewater to be purified in a biological clarifier and the gas component to be introduced is oxygen
  • the gaseous medium can be ambient air.
  • Liquid media that can be introduced into the steam jacket are, for example, flocculants, for example dissolved polymers, and / or precipitants, for example aluminum sulfate or iron (III) sulfate.
  • flocculants for example dissolved polymers
  • precipitants for example aluminum sulfate or iron (III) sulfate.
  • the liquid medium is introduced into the steam jacket - in particular when it emerges from the second pipe section and after the collapse Cavitation - a highly turbulent mixing with the liquid medium, for example the wastewater to be treated.
  • the device according to the invention or the method according to the invention an extremely efficient and uniform introduction and distribution of the liquid medium, for example a flocculant and / or precipitant, into or in the waste water is therefore possible.
  • the liquid medium for example a flocculant and / or precipitant
  • the feed for the gaseous and / or liquid medium in the second pipe section is advantageously arranged at a distance from the cavitation nozzle.
  • the feed is preferably arranged essentially vertically to the longitudinal axis of the second pipe section.
  • the feed for the gaseous and / or liquid medium further preferably encompasses the second pipeline section along the circumference of the second pipeline section, the second pipeline section having openings in the connection area for feeding in the gaseous and / or liquid medium.
  • openings are preferably arranged at a uniform distance from one another, which enable a preferably radial feed of gaseous and / or liquid medium into the steam jacket.
  • a uniform introduction of gaseous and / or liquid medium into the steam jacket is thus possible.
  • the efficiency of the method according to the invention or the device according to the invention can be increased.
  • the feed is arranged in an area in which the second pipe section has a substantially constant pipe diameter.
  • the gaseous medium preferably air, and / or liquid medium is supplied when an essentially stable and preferably essentially closed steam jacket, more preferably closed steam jacket, has formed in the second pipe section.
  • the device according to the invention can also have more than one feed for gaseous and / or liquid medium, for example two or three feeds.
  • gaseous medium for example air or pure oxygen
  • liquid medium for example flocculant and / or precipitant
  • the liquid medium can also be introduced in the first feed and the gaseous medium in the second feed into the second pipe section.
  • the cavitation nozzle is advantageously detachably connected to the first pipe section and the second pipe section.
  • the cavitation nozzle can therefore be exchanged for another cavitation nozzle with a larger or smaller diameter at the narrowest point of the nozzle passage or for a cavitation nozzle with a different nozzle geometry.
  • the cavitation nozzle can also be unsolvable with the first and second
  • Pipe section to be connected For example.
  • the cavitation nozzle and the first and second pipe sections can be formed as a one-piece casting.
  • the device according to the invention can thus be easily adapted to the respective conditions of use by exchanging the cavitation nozzle, for example to the nature or viscosity of the liquid medium, e.g. Waste water in a biological clarifier.
  • the cavitation nozzle for example to the nature or viscosity of the liquid medium, e.g. Waste water in a biological clarifier.
  • Liquid medium has an increased solids content.
  • This proportion of solids can also be expanded sludge, floating sludge, activated sludge or a mixed biocoenosis in a clarifier.
  • This swelling or swimming mud can contain flaky and filamentous microorganisms.
  • the solids content in the wastewater can also be of a different nature.
  • the cavitation nozzle preferably has the geometry analogous to a Laval nozzle.
  • the length of the second pipe section can be variably adjusted.
  • the duration of action of the supercavitation on the liquid medium to be treated can be controlled over the length of the second pipe section.
  • the mass transfer from the gaseous medium, for example oxygen, into the liquid medium can be controlled.
  • the inside diameter of the first pipeline section on the upstream side in front of the cavitation nozzle is larger than the inside diameter of the second pipeline section after the cavitation nozzle.
  • the ratio of the inside diameter of the first pipe section and the inside diameter of the second pipe section is preferably approximately 5: 1 to approximately 1.2: 1, more preferably approximately 3: 1 to approximately 1.5: 1, even more preferably 2: 1.
  • the cavitation nozzle can comprise a section with a converging and diverging inside diameter, the section with a converging inside diameter being arranged on the upstream side and the section with a diverging inside diameter being arranged on the downstream side.
  • the length of the section with a converging inside diameter is advantageously shorter than the length of the section with a diverging inside diameter.
  • the device for conveying the liquid medium is a pump.
  • the pump can be submerged in one Be arranged shaft. In this way, any gas bubbles entrained in the liquid medium can be separated off. It has been shown that it is advantageous for the formation of supercavitation if entrained gas bubbles are separated from the liquid medium before being passed through the cavitation nozzle.
  • the pump for connection to the first pipeline section has a sliding flange which can be pivoted about the longitudinal axis, i.e. a device that makes it possible to adjust the angle enclosed between the longitudinal axis of the piping system and the surface of the liquid medium.
  • a directional system can be arranged, which forms the emerging liquid medium flow.
  • the inner wall of the directional system is advantageously designed as a surface of revolution with an increasing inner diameter.
  • the surface line for generating the surface of revolution can be designed as a straight line or as a continuous curve.
  • the method according to the invention for introducing gaseous medium into liquid medium can be carried out in such a way that the liquid medium is passed through such a flow rate through a pipeline system which has an at least first pipeline section and a second pipeline section and a cavitation nozzle arranged between the first and the second pipeline section that a preferably closed or gapless vapor jacket of vaporized liquid medium is formed in the second pipe section downstream of the cavitation nozzle between the pipe wall and the liquid medium as a result of supercavitation, and the gaseous and / or liquid medium is introduced into this steam jacket.
  • a pipeline system which has an at least first pipeline section and a second pipeline section and a cavitation nozzle arranged between the first and the second pipeline section that a preferably closed or gapless vapor jacket of vaporized liquid medium is formed in the second pipe section downstream of the cavitation nozzle between the pipe wall and the liquid medium as a result of supercavitation, and the gaseous and / or liquid medium is introduced into this steam jacket.
  • the duration of the cavitation ie the length of the steam jacket, can be adjustable over the length of the second pipe section arranged downstream of the cavitation nozzle.
  • the steam jacket preferably envelops the liquid medium essentially concentrically, preferably concentrically.
  • gaseous and / or liquid medium is under excess pressure. Rather, the gaseous and / or liquid medium can be introduced into the steam jacket in a self-priming manner. An effective and energetically favorable introduction of gaseous medium, preferably air, and / or liquid medium into the formed steam jacket is therefore possible.
  • the pipeline system is advantageously arranged submerged in the liquid medium.
  • the gaseous medium is air and the liquid medium is preferably biological wastewater
  • Waste water containing microorganisms it is preferred to arrange the pipe system at a shallow depth below the surface of the waste water.
  • a very effective mass transfer takes place, for example of oxygen from the air introduced into the liquid medium.
  • the method according to the invention is surprisingly characterized in that the oxygen transfer from the air introduced into the liquid medium, preferably wastewater containing microorganisms, is greater than 60%, preferably greater than 80%, even more preferably greater than 90%. An almost complete oxygen transfer from the air into the liquid medium is extremely preferred.
  • the gas emerging from the device according to the invention can or is almost free of oxygen, the oxygen dissolved in the waste water can diffuse again into the air bubbles rising to the surface of the waste water.
  • the gas emerging from the device according to the invention can essentially only contain nitrogen and noble gases.
  • the device according to the invention is arranged at a shallow depth, the path of the escaping gas to the surface is short. In this respect, a substantial depletion of the oxygen-enriched liquid medium, preferably waste water, is largely avoided.
  • the immersion depth for an air or oxygen entry is usually 3 to 4 m. According to the invention, it is preferred to choose an immersion depth of approximately 0.5 m to 2 m, preferably approximately 1 m to 1.5 m.
  • the pump for connection to the first pipeline section has the sliding flange which has already been described and can be pivoted about the longitudinal axis. In this way it is possible at any time to set the angle enclosed between the longitudinal axis of the piping system and the surface of the liquid medium.
  • the liquid medium is preferably at least partially freed of entrained or contained gas bubbles before being introduced into the pipeline system.
  • the liquid medium can advantageously be conveyed from a submerged shaft.
  • the Reynolds number which depends on the viscosity, the flow rate and the geometry of the pipeline, is advantageously at least 100,000, preferably at least 250,000, more preferably at least 500,000, when passing through the cavitation nozzle at the narrowest nozzle diameter.
  • Any liquid that is to be enriched with a gas component and / or mixed with a liquid medium is suitable as the liquid medium.
  • the method according to the invention and the device according to the invention can also be used, for example, to increase the oxygen content of standing water, for example of ponds or fish tanks.
  • Fig. 1 is a schematic sectional view of a piping system according to the invention
  • 2 shows a schematic view of an exemplary embodiment
  • Fig. 3 is an oxygen and power consumption diagram of an embodiment
  • FIG. 1 is a pipeline system 10 with a first pipeline section 12, a cavitation nozzle 14, which has a constriction 16, and a second pipeline section 18, which in a biological sewage treatment plant for introducing air or oxygen into the organic components contaminated and revitalized by microorganisms 20 is used.
  • the flow direction of the waste water 20a flowing through the piping system 10 (in the
  • a feed 30 for air 32 is arranged in the second pipeline section 18 at a distance from the cavitation nozzle 14 vertically to its longitudinal axis.
  • the feed 30 is connected to the second pipe section 14 in an area in which it has a constant diameter.
  • the flow-side end of the second pipe section 18 is connected to a directional system 40, the inner wall of which is designed as a surface of revolution with increasing diameter.
  • the axis of rotation of the jacket line generating the surface of revolution is aligned with the longitudinal axis of the second pipe section 18.
  • the jacket line is designed as a continuous curve which merges tangentially into the cylindrical second pipe section 18.
  • the emerging wastewater stream is shaped in this way.
  • the directional system is not necessary.
  • the device according to the invention can also be used without the directional system 40.
  • a homogeneous steam jacket 22 envelops the flowing waste water 20a up to the flow-side end of the second pipe section 18, which forms a tear-off edge, after which the cavitation suddenly collapses and leads to the formation of finely dispersed gas bubbles.
  • the flowing waste water 20a in the vicinity of the tear-off edge and behind the tear-off edge is predominantly penetrated by gas bubbles 34.
  • the pipeline system 10 is completely immersed in waste water 20b, which is grayed out in the illustration.
  • the waste water 20b as shown in more detail in FIG. 2, is sucked in by a pump 50 and leaves it as flowing waste water 20a.
  • the pump 50 is arranged in a submerged shaft 52. Waste water 20b flows into the shaft 52 from a region near the surface (denoted by the arrows 20 "). In the submerged shaft 52, air bubbles entrained or enclosed in the waste water can at least partially be separated off.
  • the device shown in Fig. 1 can also be used to introduce liquid
  • the outlet of the pump 50 designed as a submersible pump is connected to the inlet of a sliding flange 54 which extends horizontally through the vertical wall of the shaft 52.
  • the output of the sliding flange 54 is connected to a pipe section 56.
  • the tube piece 56 is closed at its end opposite the exit of the sliding flange 54 with a plate 56a, on which an unequal-angle right-angled angle lever 58 can be arranged.
  • the short leg of the angle lever 58 is fixedly connected to the plate 56a, the longitudinal axes of the tube piece 56 and the short leg of the angle lever 58 being aligned with one another.
  • a handle 58a can be arranged above the waste water surface. In this way, the pipe section 56 arranged on the sliding flange 54 can be pivoted about its longitudinal axis, identified by a double arrow 56 '.
  • an angle lever 58 is not necessary.
  • the device according to the invention can also be designed without an angle lever 58.
  • Perpendicular to the longitudinal axis of the pipe section 56 for example, two pipe systems 10, as described above in FIG. 1, can be arranged at an angle 60, in the illustrated embodiment of approximately 30 °. Of course, only one pipe system 10 or three, four or more pipe systems 10 can also be arranged.
  • the inlets of the piping systems 10 penetrate the pipe section 56.
  • the angle enclosed between the longitudinal axes of the piping systems 10 and the wastewater surface can be set so that it is approximately 10 ° greater than the setting angle determined by experiment for the optimal propagation length of the oxygen input.
  • the setting angle can be changed at any time by means of the angle lever 58 and can thus be adapted to changing operating conditions.
  • the air supply 30 can be designed as a rigid tube of suitable length or as a bendable tube, for example as a metal or plastic hose, so is dimensioned that its entrance is always arranged above the wastewater surface.
  • the outlet of the air supply is fork-shaped from two pipe sections which are connected to the pipe systems 10 in the manner shown in FIG. 1 and penetrate the wall of their second pipe sections.
  • FIG. 3 shows a diagram which compares the parameters of pure oxygen consumption in m 3 / day and power consumption in kWh of a ventilation device according to the prior art and a ventilation device according to the invention. It can be seen from FIG. 3 that the average pure oxygen consumption has dropped from approx. 1,200 m 3 / day to approx. 500 m 3 / day, the power consumption only increasing by approx. 7%. However, this representation does not take into account the energy consumption for pure oxygen production, which has a significant influence on the overall energy balance. The method according to the invention consequently, as shown in this example, significantly improves the efficiency of the introduction of oxygen into the wastewater. The daily pure oxygen requirement decreased by approx. 60%.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention concerne un dispositif permettant l'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide, lequel dispositif comprend un système de canalisation (10) présentant au moins un première section de canalisation (12) et une deuxième section de canalisation (18) ainsi qu'un étranglement placé entre les première et deuxième sections de canalisation (12, 18). Selon la présente invention, cet étranglement est conçu sous forme de buse de cavitation (14) ; la deuxième section de canalisation (18) est reliée à une alimentation (30) en milieu gazeux et/ou liquide et ledit dispositif peut être raccordé à un système d'acheminement du milieu liquide à travers le système de canalisation (10). Ladite invention concerne également un procédé d'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide.
PCT/DE2004/000895 2003-05-08 2004-04-29 Dispositif et procede d'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide WO2004101123A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10320840.2 2003-05-08
DE10320840A DE10320840B4 (de) 2003-05-08 2003-05-08 Vorrichtung und Verfahren zum Einbringen von gasförmigem und/oder flüssigem Medium in Flüssigmedium

Publications (1)

Publication Number Publication Date
WO2004101123A1 true WO2004101123A1 (fr) 2004-11-25

Family

ID=33440695

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2004/000895 WO2004101123A1 (fr) 2003-05-08 2004-04-29 Dispositif et procede d'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide

Country Status (2)

Country Link
DE (1) DE10320840B4 (fr)
WO (1) WO2004101123A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006108447A1 (fr) * 2005-04-12 2006-10-19 Delta Graf, S.A. Dispositif permettant d'effectuer l'humidification pour impression offset
FR2947187A1 (fr) * 2009-06-24 2010-12-31 Inst Polytechnique Grenoble Procede et dispositif de traitement d'un compose chimique et/ou une espece chimique et/ou transporte par un liquide et/ou un gaz
CN102588631A (zh) * 2012-01-15 2012-07-18 黄兰彬 换芯式控流器
EP2377505A4 (fr) * 2008-12-29 2015-08-05 Evgeny Petrovich Grebennikov Procédé de fabrication de préparations liposomales et dispositif de fabrication de liposomes
TWI498469B (fr) * 2012-04-13 2015-09-01
AT517177B1 (de) * 2014-12-10 2019-02-15 Ullrich Spevacek Einrichtung zur Reinigung und dazugehöriges Verfahren von offenen und geschlossenen Fluidsystemen insbesondere Brunnenanlagen, Rohrleitungen und Boilern mittels eines Kavitationsdüsensystems
CN115228564A (zh) * 2022-05-26 2022-10-25 浙江艾领创矿业科技有限公司 加压加球装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004027398A1 (de) * 2004-06-04 2005-12-29 Emu Unterwasserpumpen Gmbh Vorrichtung und Verfahren zum Einbringen von gasförmigem und/oder flüssigem Medium in Flüssigmedium
JP4760843B2 (ja) * 2008-03-13 2011-08-31 株式会社デンソー エジェクタ装置およびエジェクタ装置を用いた蒸気圧縮式冷凍サイクル
DE102010020699B4 (de) * 2010-05-17 2015-04-02 Bundesrepublik Deutschland, vertreten durch das Bundesministerium für Wirtschaft und Technologie, dieses vertreten durch den Präsidenten der Physikalisch-Technischen Bundesanstalt Flüssigkeitsmengenreferenzapparatur, Mischvorrichtung und Verfahren zum Erzeugen eines Flüssigkeitsstroms definierter Stärke

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9201154U1 (fr) * 1992-01-31 1993-06-03 Oematech Oekologische Maschinenbautechnik Gmbh, O-4500 Dessau, De
US5338113A (en) * 1990-09-06 1994-08-16 Transsonic Uberschall-Anlagen Gmbh Method and device for pressure jumps in two-phase mixtures
US6357727B1 (en) * 2000-06-22 2002-03-19 Dong Woo Tech Co., Ltd. Ozonized water generating apparatus
US6398194B1 (en) * 1999-11-29 2002-06-04 Tsung-Hsin Tsai Water pressure-type aeration device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH637034A5 (en) * 1979-04-12 1983-07-15 Sanitized Ag Method for treating liquids with a reaction gas in an ultrasonic field
DE4124212C1 (en) * 1991-07-20 1993-01-14 Guenter Dipl.-Ing. 2000 Hamburg De Kupczik Treatment of contaminated ground, sediments, slurries etc. - in a plant where wash water is sprayed into it from nozzles and then filtered
WO1993023340A1 (fr) * 1992-05-14 1993-11-25 Idec Izumi Corporation Procede et appareil pour dissoudre un gaz dans un liquide et le melanger a lui

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338113A (en) * 1990-09-06 1994-08-16 Transsonic Uberschall-Anlagen Gmbh Method and device for pressure jumps in two-phase mixtures
DE9201154U1 (fr) * 1992-01-31 1993-06-03 Oematech Oekologische Maschinenbautechnik Gmbh, O-4500 Dessau, De
US6398194B1 (en) * 1999-11-29 2002-06-04 Tsung-Hsin Tsai Water pressure-type aeration device
US6357727B1 (en) * 2000-06-22 2002-03-19 Dong Woo Tech Co., Ltd. Ozonized water generating apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006108447A1 (fr) * 2005-04-12 2006-10-19 Delta Graf, S.A. Dispositif permettant d'effectuer l'humidification pour impression offset
EP2377505A4 (fr) * 2008-12-29 2015-08-05 Evgeny Petrovich Grebennikov Procédé de fabrication de préparations liposomales et dispositif de fabrication de liposomes
FR2947187A1 (fr) * 2009-06-24 2010-12-31 Inst Polytechnique Grenoble Procede et dispositif de traitement d'un compose chimique et/ou une espece chimique et/ou transporte par un liquide et/ou un gaz
CN102588631A (zh) * 2012-01-15 2012-07-18 黄兰彬 换芯式控流器
TWI498469B (fr) * 2012-04-13 2015-09-01
AT517177B1 (de) * 2014-12-10 2019-02-15 Ullrich Spevacek Einrichtung zur Reinigung und dazugehöriges Verfahren von offenen und geschlossenen Fluidsystemen insbesondere Brunnenanlagen, Rohrleitungen und Boilern mittels eines Kavitationsdüsensystems
AT517177A3 (de) * 2014-12-10 2019-02-15 Ullrich Spevacek Einrichtung zur Reinigung und dazugehöriges Verfahren von offenen und geschlossenen Fluidsystemen insbesondere Brunnenanlagen, Rohrleitungen und Boilern mittels eines Kavitationsdüsensystems
CN115228564A (zh) * 2022-05-26 2022-10-25 浙江艾领创矿业科技有限公司 加压加球装置

Also Published As

Publication number Publication date
DE10320840B4 (de) 2005-06-30
DE10320840A1 (de) 2004-12-09

Similar Documents

Publication Publication Date Title
EP1435339B1 (fr) Procédé et dispositif de traitement de substrats organiques, de boues résiduaires et d'eaux usées
DE2066180C2 (de) Verfahren zur Herabsetzung des biochemischen Sauerstoffbedarfs von Abwasser
EP1945337B1 (fr) Chambre de turbulence
DE1942698B2 (de) Verfahren und Vorrichtung zur mehrstufigen biologischen Behandlung von Abwasser
WO2004101123A1 (fr) Dispositif et procede d'introduction d'un milieu gazeux et/ou liquide dans un milieu liquide
EP1294474B2 (fr) Procede et dispositif de traitement physicochimique de milieux fluides
EP0152618B1 (fr) Procédé et dispositif pour le traitement de l'eau
EP1771385B1 (fr) Homogeneisation hydrodynamique
DE202007011718U1 (de) Vorrichtung zur Belüftung von flüssigen Medien in Kläranlagen und Reaktoren
WO1999032407A1 (fr) Reacteur de flottation et procede de flottation
DE102004027398A1 (de) Vorrichtung und Verfahren zum Einbringen von gasförmigem und/oder flüssigem Medium in Flüssigmedium
DE2415940A1 (de) Verfahren und einrichtung zur behandlung von fluessigkeiten oder trueben
EP3820821B1 (fr) Procédé de purification d'eaux usées par flottation
DE102007039644B4 (de) Vorrichtung und Verfahren zur Belüftung von flüssigen Medien in Kläranlagen und Reaktoren
DE4434540C2 (de) Verfahren zur aeroben Hochleistungs-Abwasserreinigung unter Druck sowie starker Dynamik und Vorrichtung zur Durchführung des Verfahrens
DE102010023631B4 (de) Statischer Mischer und Mischverfahren
EP1670723B1 (fr) Procede de purification biologique d'eaux usees
DE102016125940B4 (de) Mischer zum kontinuierlichen Mischen einer Flüssigkeit und eines Gases sowie Verfahren zum Betreiben des Mischers
DE102005026215A1 (de) Verfahren und Vorrichtung zum Abzug einer Flüssigkeit aus einem Becken
DE1928681A1 (de) Einrichtung zum Einleiten eines Gases in eine Fluessigkeit
CH401844A (de) Verfahren und Vorrichtung zum Begasen von Flüssigkeiten
WO2024068650A2 (fr) Procédé d'électrolyse hydrodynamique
DE2015189A1 (de) Einrichtung zur Aufbereitung von Abraum, Schlamm oder dergleichen
DD278331A1 (de) Vorrichtung zur biologischen reinigung von kommunalen und industriellen abwaessern nach dem belebtschlammverfahren mit horizontalmischreaktor
DE202017002696U1 (de) Vorrichtung zur Mikroblasenerzeugung und deren Einbringung in Polyelektrolyt- und Flockungshilfsmittellösung für die Wasser-, Kreislaufwasser-, Abwasser- und Schlammbehandlung

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

DPEN Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase