EP2368625A1 - Procédé et dispositif destinés à la dispersion - Google Patents

Procédé et dispositif destinés à la dispersion Download PDF

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Publication number
EP2368625A1
EP2368625A1 EP10157132A EP10157132A EP2368625A1 EP 2368625 A1 EP2368625 A1 EP 2368625A1 EP 10157132 A EP10157132 A EP 10157132A EP 10157132 A EP10157132 A EP 10157132A EP 2368625 A1 EP2368625 A1 EP 2368625A1
Authority
EP
European Patent Office
Prior art keywords
dispersing
foam structure
fluid
channel
dispersing element
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.)
Withdrawn
Application number
EP10157132A
Other languages
German (de)
English (en)
Inventor
Dr. Sebastian Hirschberg
Marcel Suhner
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.)
Sulzer Chemtech AG
Original Assignee
Sulzer Chemtech AG
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 Sulzer Chemtech AG filed Critical Sulzer Chemtech AG
Priority to EP10157132A priority Critical patent/EP2368625A1/fr
Priority to EP10768911.9A priority patent/EP2550088B1/fr
Priority to JP2013500346A priority patent/JP2013522029A/ja
Priority to KR1020127024571A priority patent/KR20130028711A/ko
Priority to BR112012021886A priority patent/BR112012021886A2/pt
Priority to US13/636,581 priority patent/US20130065973A1/en
Priority to PCT/EP2010/065146 priority patent/WO2011116840A1/fr
Priority to RU2012144729/05A priority patent/RU2538879C2/ru
Priority to CN201080065671.6A priority patent/CN102917780B/zh
Publication of EP2368625A1 publication Critical patent/EP2368625A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • B01F25/4522—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 porous bodies, e.g. flat plates, blocks or cylinders, which obstruct the whole diameter of the tube
    • 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
    • B01F23/09—Mixing systems, i.e. flow charts or diagrams for components having more than two different of undetermined agglomeration states, e.g. supercritical states
    • 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
    • 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
    • B01F25/4524—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 foam-like inserts or through a bed of loose bodies, e.g. balls
    • 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
    • B01F25/4524—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 foam-like inserts or through a bed of loose bodies, e.g. balls
    • B01F25/45243—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 foam-like inserts or through a bed of loose bodies, e.g. balls through a foam or expanded material body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/714—Feed mechanisms for feeding predetermined amounts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems

Definitions

  • the invention relates to a method and a device for dispersing immiscible liquids or gases and liquids.
  • Static mixers with static mixing elements according to DE 22 05 371 or according to CH 642 564 are configured, well-known way very well for this process step.
  • a certain volumetric power must be introduced into the fluid mixture via shear in the mixer over a certain dispersing distance. If the dispersing path, via which the shear or dispersing power is introduced into the fluid mixture, is not sufficiently long, the resulting droplets are larger and the resulting droplet size distribution wider than in the equilibrium state for the present volumetric input of power. If the dispersing distance is longer than until reaching the equilibrium state of the droplet distribution, the droplet size distribution no longer changes with respect to the equilibrium distribution. Different dispersing systems now differ in the dispersing distance, which is necessary until the equilibrium distribution is reached. The shorter this dispersing distance, the less total power is required to produce the dispersion.
  • a static dispersing system which can produce the equilibrium distribution of the droplets in the dispersion over a very short dispersion path, has a high dispersing power, respectively, requires very little power for producing the dispersion with predetermined droplet distribution.
  • points a static dispersing system with very high dispersing power typically a small length / diameter ratio.
  • the object of the invention is to achieve a dispersion of gases in liquids or liquids in other, immiscible liquids with lower specific dispersing power.
  • a dispersing element comprising a channel in which an insert element comprising a foam structure is arranged.
  • the insert element may contain a foam structure which is open-pore.
  • a foam structure which is characterized as open-pored is to be understood below to mean a foam structure in which the individual pores are not separated from one another by walls.
  • the pore can be considered a hole or cavity.
  • the walls between the pores are virtually completely eliminated. The openings in the walls are so large that only one web of the wall remains, which forms the boundary of adjacent pores.
  • a plurality of webs may be provided.
  • the foam structure may comprise a metal, a metal alloy, in particular an aluminum alloy, a ceramic, glass, carbon and / or a plastic.
  • This foam structure has the advantage that it has a very large inner surface that can be used for breaking up and crushing the phase boundary.
  • the foam structure may have a pore size up to and including 100 PPI.
  • PPI is a common measure for characterizing the pore size of a foam structure. It is the acronym for "Pores per Inch”. Most preferably, the pore size ranges from 10 to 100 PPI inclusive.
  • the free volume fractions of the foam structure which can be used for the dispersing element are from 40 to 97%, preferably from 50% to 95%.
  • a foam structure can be produced by various methods. For example, in a first process step, an open-pored polyurethane foam can be used as a template. An essential advantage of using a polyurethane foam is that a wide variety of shapes and pore sizes can be produced industrially. From the polyurethane foam can be produced in a second process step, a mold for light metal casting with lost shape. This mold contains the desired foam structure. Also, CVD techniques or other methods based on polyurethane foams as precursors are used in the industry to produce foam structures. There are also different ones other methods of producing open-pore foam structures in development or already in use. Alternatively, a foam structure can also be produced computer-assisted by means of rapid manufacturing techniques of different materials, in particular those mentioned above.
  • compact means that the length of the dispersing element is reduced compared to the length of a static mixer.
  • the reduction in length can be between 5 and 99%.
  • the insert element has a length L and a diameter D, wherein the ratio L / D is less than 5, preferably less than 3, more preferably less than 2.
  • a ratio L / D of less than 5 it is possible to produce dispersions of the same quality as with the static mixer previously known from the prior art.
  • dispersion unit Since the foam structures have hardly any mixing effect, combinations of static mixing elements for macro-mixing and predispersion with at least one insert element containing a foam structure can be combined to form a dispersion unit.
  • the dispersing unit may also include the effect as a homogenizing unit.
  • Dispersing units comprising an insert element which contains a foam structure are suitable for producing emulsions, dispersions or foams.
  • dispersion is for systems in which drops and / or bubbles are greater than about 50-100 microns in size.
  • emulsion is used for systems with smaller drops and / or. Used bubbles.
  • a dispersing unit may in particular consist of a dispersing element which contains an insert element which contains a foam structure.
  • a dispersing unit may comprise a plurality of dispersing elements containing a foam structure. each This dispersing elements may contain a foam structure with a different pore size.
  • a dispersing unit may be composed of combinations of static mixing elements and dispersing elements arranged one behind the other or comprising a plurality of dispersing elements.
  • the individual dispersing elements can be installed directly behind one another in the channel or spaces can be kept free between the dispersing elements.
  • the dispersing element according to one of the preceding embodiments may also contain a tempering agent.
  • the channel may be equipped with a temperature control or be surrounded by a temperature control.
  • At least part of the dispersing element may be formed as a catalyst surface, in particular as a hydrolysis catalyst surface.
  • the dispersing element can either be used for processing already premixed or predispersed fluid systems, or the liquid or gas phase to be dispersed is metered in during processing. If the fluid to be dispersed is metered in, at least one metering element can open into the channel in which the dispersing element is arranged. The metering element serves to introduce a fluid into the first liquid flowing in the channel.
  • the fluid may be a gas or a second liquid. In particular, the fluid and the first fluid flow in cocurrent through the channel.
  • the metering element is advantageously arranged upstream of the dispersing element. It is also possible to install a metering element in the dispersing elements. For uniform distribution of the phase to be dispersed, it is also possible for a plurality of metering elements to open into the channel or to be installed in the dispersing element.
  • the metering element can be designed as a tube with metering openings.
  • the metering element can be designed as a capillary, which comprises a metering opening, which can be designed, for example, as a nozzle.
  • a curvature can be provided in the area of the metering opening so that the phase to be dispersed can be distributed optimally in the dispersing element.
  • the feed line can feed a plurality of metering elements, so that the number of feed points arranged in the channel for the phase to be dispersed is increased.
  • the method for producing a dispersion comprises the following steps: in a first step, a first liquid and at the same time a second fluid are introduced into the channel, wherein the first liquid is brought into contact with the second fluid in a second step in a dispersing element wherein the dispersing element comprises an insert member containing a foam structure disposed in the channel, wherein the first liquid and the second fluid are co-directed by the dispersing element, the first liquid and the second fluid being passed through the insert member , whereby the second fluid is dispersed in the first liquid.
  • the process for producing a dispersion of an immiscible or poorly miscible liquid in another liquid or gas in a liquid is described e.g. used in the preparation of emulsions in food, household products or cosmetics. Also in the generation of large surfaces for reactions, the dissolution of a gas in a liquid, such as the water treatment by ozone, a dispersion is required.
  • the energy input into the dispersion also plays a decisive role. Thanks to the better dispersing performance of foam structures, equivalent results can be achieved with less energy input into the dispersion Dispersion can be generated.
  • the energy input is surprisingly up to 99% lower than in static mixers from the prior art.
  • the dispersing element 1 according to Fig. 1 comprises a channel 2, in which an insert element 3, which contains a foam structure, is arranged.
  • the channel is in Fig. 1 shown partially cut so that the insert is visible.
  • the insert element according to Fig. 1 consists entirely of the foam structure.
  • the foam structure may be surrounded by a jacket member to facilitate installation in the channel 2.
  • the channel 2 according to Fig. 1 is shown as a pipe with a circular cross-section.
  • the channel may have any other cross-sectional shapes, in particular be formed rectangular.
  • a dispersion unit 10 is shown.
  • the dispersing unit also comprises a channel 2, in which a first and a second insert element 3, 4 are arranged.
  • a first static mixer 5 is provided, which according to the CH 642 564 is designed.
  • a second static mixer 6 is shown, whose internals are essentially the DE 22 05 371 correspond.
  • the first static mixer 5 is arranged immediately adjacent to the first and the second insert element.
  • the second static mixer 6 is arranged at a distance from the second insert element 4.
  • Zeichnerisch not shown is a metering element to introduce a fluid in the flowing through the channel 2 liquid. Such a metering element is for example in the EP 1 956 206 A2 shown.
  • This embodiment is only an exemplary illustration of a possible arrangement of dispersing elements and static mixers to a dispersion unit, the invention is in no way to be regarded as limited to this embodiment.
  • Fig. 3 shows an example of a foam structure which is porous.
  • the in Fig. 3 shown section can, for example, in one of the foam structures according to Fig. 1 or Fig. 2 be integrated.
  • the pore is a hole or cavity which in Fig. 3 by the corner points 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 limited.
  • the individual pores are not separated by walls.
  • This opening 21 is located between the above-mentioned pore and the drawing not shown before the plane lying pore.
  • Adjacent pores can be traversed by the openings of a fluid.
  • the opening 21 is bounded by webs 22, 23, 24, 25, 26, which form the boundary boundary of adjacent pores.
  • foam structures for dispersion in DC operation hardly actual Maldistribution occurs and the large inner surface of the foam structure leads to a very efficient dispersion.
  • the foam structure is not suitable.
  • gross-scale mixing is meant a mixing process in which fluid is moved over greater distances perpendicular to the main flow direction and inhomogeneities of the distribution of the individual components in the fluid in planes perpendicular to the main flow direction are compensated by the movements of the fluid. Therefore, a combination of classical static mixing elements for large - scale mixing and predispersion and foam structures for Fine dispersion advantageous. A similar effect can be achieved by combining sections of foam structures with different pore densities.
  • ball packages which is also porous.
  • An essential difference of ball packages to the foam structures, as described above, is that ball packages typically have 25-40% free volume and thus a significantly poorer volume to surface ratio and greater pressure drops.
  • the foam structures described have a free volume of from 40 up to and including 97%.
EP10157132A 2010-03-22 2010-03-22 Procédé et dispositif destinés à la dispersion Withdrawn EP2368625A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP10157132A EP2368625A1 (fr) 2010-03-22 2010-03-22 Procédé et dispositif destinés à la dispersion
EP10768911.9A EP2550088B1 (fr) 2010-03-22 2010-10-08 Procede et dispositif destines a la dispersion
JP2013500346A JP2013522029A (ja) 2010-03-22 2010-10-08 混合又は分散部材および静的な混合又は分散を行なう方法
KR1020127024571A KR20130028711A (ko) 2010-03-22 2010-10-08 혼합 또는 분산요소, 및 정적 혼합 또는 분산 방법
BR112012021886A BR112012021886A2 (pt) 2010-03-22 2010-10-08 sistema para mistura ou dispersão e processo para mistura ou dispersão estática
US13/636,581 US20130065973A1 (en) 2010-03-22 2010-10-08 Mixing or dispersing element and process for static mixing or dispersing
PCT/EP2010/065146 WO2011116840A1 (fr) 2010-03-22 2010-10-08 Élément mélangeur ou disperseur et procédé de mélangeage ou dispersion statique
RU2012144729/05A RU2538879C2 (ru) 2010-03-22 2010-10-08 Смесительный или диспергирующий элемент и способ статического смешивания или диспергирования
CN201080065671.6A CN102917780B (zh) 2010-03-22 2010-10-08 用于静态混合或者弥散的混合元件或者弥散元件以及用于静态混合或者弥散的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10157132A EP2368625A1 (fr) 2010-03-22 2010-03-22 Procédé et dispositif destinés à la dispersion

Publications (1)

Publication Number Publication Date
EP2368625A1 true EP2368625A1 (fr) 2011-09-28

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP10157132A Withdrawn EP2368625A1 (fr) 2010-03-22 2010-03-22 Procédé et dispositif destinés à la dispersion
EP10768911.9A Not-in-force EP2550088B1 (fr) 2010-03-22 2010-10-08 Procede et dispositif destines a la dispersion

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10768911.9A Not-in-force EP2550088B1 (fr) 2010-03-22 2010-10-08 Procede et dispositif destines a la dispersion

Country Status (8)

Country Link
US (1) US20130065973A1 (fr)
EP (2) EP2368625A1 (fr)
JP (1) JP2013522029A (fr)
KR (1) KR20130028711A (fr)
CN (1) CN102917780B (fr)
BR (1) BR112012021886A2 (fr)
RU (1) RU2538879C2 (fr)
WO (1) WO2011116840A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933015A1 (fr) * 2014-04-16 2015-10-21 RWE Deutschland AG Dispositif et procédé destinés à conférer une odeur à un flux de gaz dans un réseau de gaz
EP3851185A4 (fr) * 2018-09-11 2022-06-22 Cataler Corporation Dispositif de génération de fines bulles et procédé de génération de fines bulles

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
DE102012008108A1 (de) 2012-04-25 2013-10-31 Umicore Ag & Co. Kg Statischer Gasmischer
US9572555B1 (en) * 2015-09-24 2017-02-21 Ethicon, Inc. Spray or drip tips having multiple outlet channels
FR3045226B1 (fr) * 2015-12-15 2017-12-22 Schneider Electric Ind Sas Dispositif de refroidissement de gaz chauds dans un appareillage haute tension
RU2633571C1 (ru) * 2016-10-07 2017-10-13 Общество с ограниченной ответственностью "ДжиКьюОйлРус" Модуль для "холодного" смешивания смазочных материалов и смазочно-охлаждающих жидкостей
US10329985B2 (en) 2017-06-27 2019-06-25 Tenneco Automotive Operating Company Inc. Impingement mixer for exhaust treatment
CN114102853A (zh) * 2020-08-28 2022-03-01 中国科学院金属研究所 一种基于三维开孔泡沫陶瓷材料的静态混合装置及其应用

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DE2205371A1 (de) 1971-04-29 1972-11-16 Gebrüder Sulzer AG, Winterthur (Schweiz) Mischeinrichtung
US4329067A (en) * 1978-04-19 1982-05-11 Bruce J. Landis Fluid mixer
CH642564A5 (de) 1979-10-26 1984-04-30 Sulzer Ag Statische mischvorrichtung.
US5424180A (en) * 1990-03-27 1995-06-13 Fuji Photo Film Co., Ltd. Apparatus for uniform mixing of solutions
DE10327986A1 (de) * 2003-06-21 2005-01-27 M.Pore Gmbh Statischer Mischer und dessen Anwendung
US20060293401A1 (en) * 2005-06-22 2006-12-28 Core Foam, Inc. Cartridge foam insert for foam generating and injecting apparatus
EP1956206A2 (fr) 2007-02-09 2008-08-13 Sulzer Chemtech AG Système de nettoyage des gaz d'échappement

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Publication number Priority date Publication date Assignee Title
DE2205371A1 (de) 1971-04-29 1972-11-16 Gebrüder Sulzer AG, Winterthur (Schweiz) Mischeinrichtung
US4329067A (en) * 1978-04-19 1982-05-11 Bruce J. Landis Fluid mixer
CH642564A5 (de) 1979-10-26 1984-04-30 Sulzer Ag Statische mischvorrichtung.
US5424180A (en) * 1990-03-27 1995-06-13 Fuji Photo Film Co., Ltd. Apparatus for uniform mixing of solutions
DE10327986A1 (de) * 2003-06-21 2005-01-27 M.Pore Gmbh Statischer Mischer und dessen Anwendung
US20060293401A1 (en) * 2005-06-22 2006-12-28 Core Foam, Inc. Cartridge foam insert for foam generating and injecting apparatus
EP1956206A2 (fr) 2007-02-09 2008-08-13 Sulzer Chemtech AG Système de nettoyage des gaz d'échappement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2933015A1 (fr) * 2014-04-16 2015-10-21 RWE Deutschland AG Dispositif et procédé destinés à conférer une odeur à un flux de gaz dans un réseau de gaz
EP3851185A4 (fr) * 2018-09-11 2022-06-22 Cataler Corporation Dispositif de génération de fines bulles et procédé de génération de fines bulles
US11890586B2 (en) 2018-09-11 2024-02-06 Cataler Corporation Fine bubble generation device and method for generating fine bubbles

Also Published As

Publication number Publication date
JP2013522029A (ja) 2013-06-13
RU2538879C2 (ru) 2015-01-10
KR20130028711A (ko) 2013-03-19
EP2550088B1 (fr) 2013-12-04
BR112012021886A2 (pt) 2016-05-24
EP2550088A1 (fr) 2013-01-30
CN102917780B (zh) 2015-02-11
US20130065973A1 (en) 2013-03-14
CN102917780A (zh) 2013-02-06
WO2011116840A1 (fr) 2011-09-29
RU2012144729A (ru) 2014-04-27

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