EP2550088B1 - Procede et dispositif destines a la dispersion - Google Patents

Procede et dispositif destines a la dispersion Download PDF

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Publication number
EP2550088B1
EP2550088B1 EP10768911.9A EP10768911A EP2550088B1 EP 2550088 B1 EP2550088 B1 EP 2550088B1 EP 10768911 A EP10768911 A EP 10768911A EP 2550088 B1 EP2550088 B1 EP 2550088B1
Authority
EP
European Patent Office
Prior art keywords
mixing
dispersing
fluid
accordance
static
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.)
Not-in-force
Application number
EP10768911.9A
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German (de)
English (en)
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EP2550088A1 (fr
Inventor
Sebastian Hirschberg
Marcel Suhner
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Sulzer Chemtech AG
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Sulzer Chemtech AG
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Publication date
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Priority to EP10768911.9A priority Critical patent/EP2550088B1/fr
Publication of EP2550088A1 publication Critical patent/EP2550088A1/fr
Application granted granted Critical
Publication of EP2550088B1 publication Critical patent/EP2550088B1/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
    • 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 static mixing or dispersing element and a method for mixing and / or dispersing liquids, suspensions, gases or liquids and gases.
  • Static mixers with static mixing elements according to DE 22 05 371 or according to CH 642 564 or according to EP-A-1566211 are configured, well-known way very well for this process step.
  • Static mixers consist of oriented coarse structured mixed structures, such as webs, channels and plates, which create a mixing and dispersing effect by fluidization and layer formation when flowing through liquids, suspensions and gases.
  • a mixed structure is then designated as coarse-textured if the number of cut surfaces of the mixer structure with an arbitrarily set cross-sectional area is not more than 20.
  • the cross-sectional area is set normal to the longitudinal axis of the static mixer, ie normal to the main flow direction.
  • Microdomain is understood as meaning a part of the mixer cross-section which is characterized by a mixing action locally limited to the micro-region.
  • the micro-area is typically less than 25% of the cross-sectional area.
  • Macro range is understood to be the entire mixer cross section, which is characterized by a mixing action extending over the entire mixer cross section.
  • the major disadvantage of the foam structures is that the non-directional structures cause a very poor cross-transport and so large-scale concentration, and temperature differences can be reduced only insufficiently and slowly. If homogeneous mixtures, dispersions, emulsions and temperatures are to be achieved over the entire cross-section, relatively bulky installation elements result which also generate a relatively high pressure loss. A combination of foam structures of different pore sizes can also improve the efficiency in this case, while preserving the basic problem of lack of cross-exchange.
  • the object of the invention is to achieve a mixture, dispersion or reaction of liquids, suspensions, gases or liquids and gases with the lowest possible energy input and the shortest possible installation length.
  • a mixing or dispersing element which comprises a channel in which an insert element comprising a foam structure is arranged.
  • a static mixing element for macro mixing or predispersing or macrodispersion is additionally mounted in the channel, which is preferably located at least partially upstream of the insert element.
  • macro-mixing in this application is meant a large-scale, taking place in a large part of the cross-sectional area of the mixing or dispersing mixture.
  • Dispersion is used when at least one immiscible second fluid is distributed in a first fluid.
  • the first fluid forms a first phase
  • the second fluid forms a second phase.
  • predispersion is meant the decomposition of the immiscible second phase into relatively large droplets of typically greater than 1 mm, which are distributed over the entire cross-sectional area of the mixing or dispersing element.
  • Macrodispersion is understood to mean the uniform distribution of existing drops over the entire cross-sectional area of the mixing or dispersing element.
  • the static mixing element is designed as a first static mixing element and at least one second static mixing element is arranged downstream of the insert element. At least one second insert element may be disposed downstream of the second static mixing element to achieve even better dispersion.
  • At least one of the static mixing elements may include an insert element.
  • a distance may be formed between the insert element or at least one of the first or second insert elements and the static mixing element.
  • 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 almost completely removed. 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”. Especially 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.
  • CVD techniques or other methods based on polyurethane foams as precursors are used in the industry to produce foam structures.
  • various other processes for producing open-pored foam structures are under development or already in use.
  • a foam structure can also be produced computer-assisted by means of rapid manufacturing techniques of different materials, in particular those mentioned above. Rapid manufacturing is understood to mean a process in which a spatial geometry takes place by layered construction, wherein the layers are preferably produced by melting powders.
  • the required power and energy input over conventional static mixers can be reduced by up to 80%.
  • compact means that the length of the mixing or dispersing element compared to the length of a pure static Blending element is reduced.
  • the reduction in length can be between 10 and 60%.
  • the foam structure contained preferably 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 in combination with static mixing elements to produce mixtures and dispersions of the same quality as with the previously known from the prior art static mixing element.
  • the mixing or dispersing element is particularly suitable for the production of mixtures, emulsions, dispersions or foams.
  • dispersion refers to systems in which drops and / or bubbles are greater than about 50-100 microns.
  • emulsion is used for systems with smaller drops and / or bubbles.
  • Each of the insert elements may contain a foam structure having a different pore size.
  • the foam structure preferably comprises a metal, a metal alloy, ceramic, glass, carbon and / or a plastic.
  • the mixing or 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 mixing or dispersing element may be formed as a catalyst surface, in particular as a hydrolysis catalyst surface.
  • the mixing or dispersing element can either be used for processing already premixed or predispersed fluid systems, or the liquid or gas phase to be mixed or dispersed is added during processing. If that is to be mixed or dispersing fluid is metered, at least one metering element can open into the channel in which the mixing or 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.
  • 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 opening may be formed, 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 mixture or dispersion according to the invention comprises the following steps: in a first step, a first fluid and a second fluid are simultaneously introduced into a channel, wherein the first fluid with the second fluid in a second step in a mixing or Dispersing element is brought into contact, wherein the mixing or dispersing element contains a micromixing or dispersing insert element which contains a foam structure which is arranged in the channel, and in addition a static mixing element for macro mixing or predispersion or macrodispersion in the channel is arranged and wherein the first fluid and the second fluid flow in cocurrent through the mixing or dispersing element and through the Feed element are passed, whereby the second fluid and the first fluid is mixed or dispersed.
  • the first fluid may be a first fluid or a first gas and the second fluid may be a second fluid or a second gas.
  • the process for producing a mixture or dispersion is described e.g. used in the preparation of dispersions or 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 method is also particularly suitable for mixing liquids with large viscosity differences and / or very different volume flow ratios or for mixing liquids with poor wetting. Gases can be cleaned efficiently by adding washing liquids and with very low pressure loss. Liquids can also be metered by means of a spray nozzle into a gas stream and evaporated with the device quickly and holistically.
  • the mixing or dispersing 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 mixing or dispersing element 10 is shown.
  • the mixing or dispersing element also comprises a channel 2, in which a first and a second insert element 3, 4 are arranged.
  • a first static mixing element 5 is provided, which according to the CH 642 564 is designed.
  • a second static mixing element 6 is shown, the internals of which substantially DE 22 05 371 correspond.
  • the first static mixing element 5 is immediately adjacent to the first and the second Insert element arranged.
  • the second static mixing element 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.
  • 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 mixing or dispersing elements and static mixing elements to a mixing or dispersing unit, the invention is in no way to be regarded as limited to this embodiment.
  • Fig. 3 shows an example of a foam structure that is open-pore.
  • 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.
  • Micro-mixing is defined as a micro-limited mixing action.
  • micro-mixing is thus meant a zonar limited mixing, which does not work over the entire cross-section of the mixing or dispersing.
  • Under Maldistribution should be understood as a non-uniform mixing. If a section were taken through a cross-sectional area of the dispersing element, zones with sufficient mixing with zones of inadequate mixing would be visible.
  • the mixing is below an expected value, that is, it is a zone of poor mixing, for other parts of the cross-sectional area, the mixing corresponds to the expected value or exceeds the expected value, that is, there is a zone of sufficient mixing.
  • a large-scale mixing is not achievable with a foam structure alone, since foam structures are undirected.
  • Large-scale mixing means a mixing process in which fluid or gas is moved over greater distances perpendicular to the main flow direction and inhomogeneities in the distribution of the individual components in the fluid or gas in planes perpendicular to the main flow direction are compensated by the movements of the fluid or gas. Therefore, a combination of classical static mixing elements for large-scale mixing and predispersion and foam structures for micro-mixing and fine dispersion is advantageous.
  • Fine dispersion is understood to mean the result of the microdispersion, that is to say a dispersion or emulsion in which the dispersed phase having a maximum droplet size of less than 2 mm, preferably less than 1 mm, is present. Also by the combination of foam structures of different pore size can not be achieved large scale mixing sufficient.
  • ball packing which is also porous.
  • An essential difference of ball packages to the previously described foam structures is that ball packages typically have 25-40% free volume and thus a significantly poorer volume to surface ratio and greater pressure drops exhibit.
  • the foam structures described have a free volume of from 40 up to and including 97%.
  • Fig. 4 shows a mixing or dispersing 30 according to a second embodiment of the invention, which has a static mixing element 5 and an insert element 3.
  • a flow channel 2 is shown cut open along its longitudinal axis.
  • the static mixing element 5 comprises a first arrangement 7 of web elements and a second arrangement 8 of web elements. Each two adjacent web elements belong either to the first arrangement 7 or to the second arrangement 8.
  • Each of the first or second arrangements may comprise a plurality of web elements.
  • the web elements are an obstacle to the fluid flow, the web elements are flowed around by the fluid, which leads to a deflection and or vortex formation of the fluid flow. Through this deflection and or vortex formation of the flow is mixed.
  • the web elements according to the CH 642 564 or the EP 0 526 392 A1 be educated.
  • the direction of flow may first be through the mixing element and then through the foam structure or vice versa.
  • the insert element 3 Downstream of the static mixing element, the insert element 3 is arranged, which according to one of Fig. 1 to 3 is constructed.
  • Fig. 5 shows a mixing or dispersing element 40 according to a third embodiment of the invention, which has static mixing element 5 and an insert element 3.
  • the insert element 3 is arranged downstream of the static mixing element 5. Downstream of the insert element 3, a further static mixing element 6 is arranged.
  • the static mixing element 6 may have the same structure as the static mixing element 5, in particular as in Fig. 4 can be designed. Alternatively, the static mixing element 6 and / or the static Mixing element 5 also have a different design, for example, as in Fig. 2 for the static mixing element 6 shown there is shown.
  • Fig. 6 shows a mixing or dispersing 50 according to a fourth embodiment of the invention, which has a first static mixing element 5 and a first insert element 3, which is arranged downstream of the first static mixing element 5. Following the first insert element 3, that is to say downstream thereof, a second static mixing element 6 is arranged. Downstream of the static mixing element 6, a second insert element 4 is arranged. Downstream of the second insert element 4, a third static mixing element 35 is arranged, and downstream of this third static mixing element, a third insert element 33 is arranged.
  • further static mixing elements and / or insert elements in each case in an alternating sequence. It is also possible to form a group of at least 2 insert elements, which is arranged following one or a group of at least 2 static mixing elements.
  • the at least one of the static mixing elements at an angle relative to one of the other static mixing elements.
  • the position of a first static mixing element may be rotated 90 ° about the longitudinal axis of the channel relative to the second static mixing element.
  • Fig. 7 shows a mixing or dispersing element 60 according to a fifth embodiment of the invention.
  • This dispersing element has the same arrangement of static mixing elements 5, 6, 35 and the same arrangement of insert elements 3, 4, 33 as Fig. 6
  • the insert element 33 has a distance from the static mixing element 35. Such a distance may be advantageous in order to provide a longer mixing distance downstream of the static mixing element, so that the individual fluid strands mix through the deflection of the Fluid flow along the surfaces of the first and second assemblies 7, 8 of the web elements are formed.
  • the distance may also be provided at any other location of the mixing or dispersing element 60. It is also possible to provide corresponding distances in the mixing or dispersing elements 1, 10, 30, 50 of the preceding embodiments or the dispersing element 70 of the following embodiment.
  • Fig. 8 shows a mixing or dispersing 70 according to a sixth embodiment of the invention.
  • This mixing or dispersing element 70 contains four series-arranged static mixing elements 5, 6, 35 and 36.
  • One of the static mixing elements, here the static mixing element 36 is installed in an insert element 34.
  • the static mixing element 36 and the insert element 34 are thus simultaneously flowed through by the fluid mixture.
  • the mode of action of the static mixing element can be combined with the mode of action of the insert element, ie a large-scale rearrangement of the flow occurs simultaneously through the arrangements of the web elements of the static mixing element and micro-mixing or dispersion through the insert element 34.
  • the channel 9 surrounds the channel 2, through which the fluid mixture flows.
  • the channel 9 may be formed in particular annular. That is, the channel surrounds the outer surface of the housing member 29 as a further housing member 31.
  • the housing member 29 and the housing member 31 are preferably formed here as a tube.
  • a plurality of channels may be arranged on the outer circumferential surface of the channel 2 delimiting the housing member 29, an embodiment which is not shown in the drawing.
  • the temperature control 27 flows according to Fig. 8 in countercurrent to the fluid mixture 28, alternatively, a guide in DC or cross flow is possible.
  • the first part of the dispersing element according to one of the preceding embodiments is preferably designed by static mixing elements mixing over the entire cross section.
  • the static mixing element or a plurality of static mixing elements causes a gross-scale first mixing or dispersion of a fluid or gas flow metered component for forming the fluid mixture.
  • the insert element of the mixing or dispersing element 1, 10, 30, 40, 50, 60, 70 then preferably consists of an open-celled fine-celled foam.
  • the premixed or predispersed mixture of the fluid mixture is intensively mixed or dispersed in the micro range over a short distance.
  • the foam structures used preferably have a free volume fraction of greater than 70, 80, 90%.
  • a static mixing element or a plurality of static mixing elements may be helpful in order to distribute the formed fine bubbles or drops homogeneously over the entire channel cross section.
  • a heat exchanger consist of a tube with a double jacket, in which circulates the heat carrier fluid. The heat energy is then added or removed via the pipe wall. In the areas to which foam structures made of metal are attached in the tube, the heat transfer is very high, due to the good heat conduction and the large surface of the foam structure.
  • the mixing elements can also consist of tubes, which are flowed through by the heat transfer medium.
  • a mixing or dispersing element can be used for a gas / liquid reaction, which proceeds in at least two phases.
  • Phase is here the aggregate state of the individual components to understand.
  • one component may be in gaseous form, that is, as a gaseous phase
  • another component may be in a liquid state, that is, as a liquid phase.
  • the pore size of the foam structure is preferably less than 1/5, in particular less than 1/10, particularly preferably less than 1/20 of the distance between two adjacent web elements, plate spacings or channel spacings.
  • the web elements, plate elements or channels are respectively associated with the first arrangement 7 and the second arrangement 8 of the static mixing elements.
  • the static mixing elements with the foam structure in the same section, in which case at least a part of the intermediate spaces in the mixing element is filled by an additional foam structure.
  • the foam structures and mixing elements can be made of different materials such as metal, ceramic, plastic.
  • the mixing or dispersing elements described are suitable for mixing, for the preparation of emulsions, dispersions, foams and for heat exchange.
  • the preparation of the mixing elements and the foam structures can be done by conventional methods, as well as by rapid manufacturing.
  • the described mixing or dispersing elements can also be produced very inexpensively.
  • foam structures By using foam structures, the number of static mixing elements compared to static mixers according to the prior art can be significantly reduced, which also leads to significantly smaller pressure losses.
  • the static mixing elements can additionally serve as support and attachment structures for the foam structures. This is especially interesting for diameters larger than 10 cm, since there the foam structures in relation to the pipe diameter can be relatively thin and should be supported accordingly.
  • the attachment is preferably carried out easiest via a support element.

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

Claims (15)

  1. Élément mélangeur ou dispersant (1, 10, 30, 40, 50, 60, 70), comprenant une conduite (2) dans laquelle est agencé un élément intégré (3, 4, 33, 34) qui contient une structure de mousse, caractérisé en ce qu'un élément mélangeur statique (5, 6, 35, 36) destiné à un macro-mélange ou à une pré-dispersion ou à une macro-dispersion, comprenant au moins un élément intégré destiné au micro-mélange ou à la dispersion (3, 4, 33, 34), est agencé de façon combinée dans la conduite (2).
  2. Élément mélangeur ou dispersant selon la revendication 1, dans lequel un élément mélangeur statique est agencé au moins partiellement en amont de l'élément intégré dans le sens d'écoulement afin de réaliser un pré-mélange et une pré-dispersion.
  3. Élément mélangeur ou dispersant selon la revendication 2, dans lequel l'élément mélangeur statique est réalisé comme un premier élément mélangeur statique (5) et au moins un deuxième élément mélangeur statique (6, 35, 36) est agencé en aval de l'élément intégré (3, 4, 33, 34) dans le sens d'écoulement.
  4. Élément mélangeur ou dispersant selon la revendication 3, dans lequel au moins un deuxième élément intégré (4, 33, 34) est agencé en aval du deuxième élément mélangeur statique (6, 35, 36) dans le sens d'écoulement.
  5. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel au moins l'un des éléments mélangeurs statiques (36) contient un élément intégré (34).
  6. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel un écart est réalisé entre au moins l'un des éléments intégrés (3, 4, 33, 34) et l'élément mélangeur statique (5, 6, 35, 36).
  7. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel la taille des pores de la structure de mousse est inférieure à 1/5, en particulier inférieure à 1/10, et de façon particulièrement préférée, inférieure à 1/20 de la distance entre deux éléments de raccord, plaques ou conduites adjacents de l'élément mélangeur.
  8. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel la structure de mousse comprend un métal, un alliage métallique, de la céramique, du verre, du carbone et/ou un plastique.
  9. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel la structure de mousse présente une taille de pores moyenne allant jusqu'à 100 PPI inclus, et de préférence une taille de pores moyenne de 10 à 100 PPI inclus.
  10. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel la structure de mousse présente un volume libre de 40 % à 97 %, et de préférence de 50 % à 95 %.
  11. Élément mélangeur ou dispersant selon l'une des revendications précédentes, qui contient un moyen d'équilibrage de température.
  12. Élément mélangeur ou dispersant selon l'une des revendications précédentes, qui est réalisé au moins partiellement comme surface de catalyseur, en particulier comme surface de catalyseur à hydrolyse.
  13. Élément mélangeur ou dispersant selon l'une des revendications précédentes, dans lequel il est prévu au moins un élément de dosage en vue de l'apport d'un fluide dans la conduite (2).
  14. Élément mélangeur ou dispersant selon la revendication 13, dans lequel l'élément de dosage est agencé en amont de l'élément intégré (3, 4) dans le sens d'écoulement.
  15. Procédé de production d'une dispersion, dans lequel, dans une première étape, un premier fluide et un deuxième fluide sont dirigés en même temps dans une conduite, étant entendu que dans une deuxième étape, le premier fluide est mis en contact avec le deuxième fluide dans un élément mélangeur ou dispersant, étant entendu que l'élément mélangeur ou dispersant contient un élément intégré, destiné au micro-mélange ou à la dispersion, qui contient une structure de mousse, qui est agencé dans la conduite, et qu'un élément mélangeur statique destiné au macro-mélange ou à la pré-dispersion ou à la macro-dispersion est également agencé dans la conduite, et étant entendu que le premier fluide et le deuxième fluide sont dirigés dans un écoulement parallèle à travers l'élément mélangeur ou dispersant et à travers l'élément intégré, ce par quoi le deuxième fluide et le premier fluide sont mélangés ou dispersés.
EP10768911.9A 2010-03-22 2010-10-08 Procede et dispositif destines a la dispersion Not-in-force EP2550088B1 (fr)

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EP10768911.9A EP2550088B1 (fr) 2010-03-22 2010-10-08 Procede et dispositif destines a la dispersion

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EP10157132A EP2368625A1 (fr) 2010-03-22 2010-03-22 Procédé et dispositif destinés à la dispersion
PCT/EP2010/065146 WO2011116840A1 (fr) 2010-03-22 2010-10-08 Élément mélangeur ou disperseur et procédé de mélangeage ou dispersion statique
EP10768911.9A EP2550088B1 (fr) 2010-03-22 2010-10-08 Procede et dispositif destines a la dispersion

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EP2550088B1 true EP2550088B1 (fr) 2013-12-04

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KR (1) KR20130028711A (fr)
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BR (1) BR112012021886A2 (fr)
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BR112012021886A2 (pt) 2016-05-24
JP2013522029A (ja) 2013-06-13
CN102917780A (zh) 2013-02-06
EP2550088A1 (fr) 2013-01-30
KR20130028711A (ko) 2013-03-19
RU2012144729A (ru) 2014-04-27
CN102917780B (zh) 2015-02-11
RU2538879C2 (ru) 2015-01-10
US20130065973A1 (en) 2013-03-14
WO2011116840A1 (fr) 2011-09-29
EP2368625A1 (fr) 2011-09-28

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