EP3733271B1 - Mélangeur doté de réservoirs d'amortissement - Google Patents

Mélangeur doté de réservoirs d'amortissement Download PDF

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Publication number
EP3733271B1
EP3733271B1 EP19171981.4A EP19171981A EP3733271B1 EP 3733271 B1 EP3733271 B1 EP 3733271B1 EP 19171981 A EP19171981 A EP 19171981A EP 3733271 B1 EP3733271 B1 EP 3733271B1
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EP
European Patent Office
Prior art keywords
component
calming
mixer
area
region
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.)
Active
Application number
EP19171981.4A
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German (de)
English (en)
Other versions
EP3733271A1 (fr
Inventor
Frank Finis
Frank Ritter
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.)
Ritter GmbH
Original Assignee
Ritter GmbH
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 Ritter GmbH filed Critical Ritter GmbH
Priority to HUE19171981A priority Critical patent/HUE062282T2/hu
Priority to EP19171981.4A priority patent/EP3733271B1/fr
Priority to PL19171981.4T priority patent/PL3733271T3/pl
Priority to ES19171981T priority patent/ES2948946T3/es
Publication of EP3733271A1 publication Critical patent/EP3733271A1/fr
Application granted granted Critical
Publication of EP3733271B1 publication Critical patent/EP3733271B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/451—Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
    • 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
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
    • 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
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B01F33/50112—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type

Definitions

  • Mixer for connection to a two- or multi-component cartridge containing at least a first component A and a second component B, comprising an inlet area, a calming area and a mixing area, the calming area being arranged between the inlet area and the mixing area.
  • the U.S. 2017/157581 A1 discloses a cartridge system for mixing two components.
  • Mixing is problematic if the starting materials are present in different proportions and/or the rheological properties are different, e.g. if one component is significantly more flowable than the other. In particular, different flow rates when entering the mixer prevent the components from immediately mixing.
  • the invention is therefore based on the object of providing a mixing device in order to uniformly mix at least two starting components with different quantities and different rheological behavior with one another.
  • the object is achieved by a mixer for connection to a two-component or multi-component cartridge according to claim 1.
  • the mixer for connection to a two-component or multi-component cartridge with a longitudinal axis L, which contains at least a first component A and a second component B, comprises an inlet area, a settling area and a mixing area, with the settling area being arranged between the inlet area and the mixing area, wherein the inlet area has at least one first inlet opening for the entry of the first component A into the Has calming area and a second inlet opening for admitting the second component B into the calming area, wherein the first inlet opening has a first size F A and the second inlet opening has a second size F B , the calming area having a first calming chamber with a first volume V A , and a second settling chamber with a second volume V B , wherein the first component A flows into the first settling chamber via the first inlet opening in a first flow direction and the second component B flows into the second settling chamber via the second inlet opening in a second flow direction, wherein the first settling chamber and/or the second settling
  • the wall is referred to as a radial wall (in contrast to axial walls).
  • this does not mean that the scope of protection claimed is restricted to a specific cross-sectional shape of the mixer.
  • the starting components have different quantitative ratios depending on their respective use and also a different rheology due to their different specific chemical and material properties.
  • the two starting components are usually discharged from the cartridges by a combined force and mixed with one another in the mixing area.
  • the mixed substance corresponds to the proportions of the starting substances.
  • a particularly free-flowing starting component can be slowed down or calmed down in order to achieve improved mixing. For this reason, the calming area is divided into two chambers according to the starting components.
  • At least one calming chamber has a radial wall which is transverse and/or perpendicular to the fluid flow of the respective starting component and decelerates and/or deflects it.
  • the fluid flow of the starting component which is generally more flowable, is slowed down and subsequent mixing with the slower component is improved.
  • the mixer preferably has a mixer structure for separating and combining strands of component A and component B.
  • the mixing structure comprises one or more different geometries, such as vertical or inclined baffles and deflection walls, rearrangement chambers, passages, etc., in order to influence the fluid flows of the different starting components and to mix them with one another.
  • the strands in the mixer structure are usually separated and recombined several times.
  • the ratio of the first variable F A to the second variable F B advantageously corresponds largely to the ratio of the first volume V A to the second volume V B .
  • the ratio of the respective quantity of a starting component which is expressed by the size F of the respective inlet opening, corresponds to the ratio of the volumes V of the respective settling chambers in order to achieve uniform mixing.
  • VA / VB FA / FB +/- 50%* FA / FB
  • VA / VB FA / FB +/- 25%* FA / FB
  • VA / VB FA / FB +/- 10%* FA / FB .
  • the first variable F A is preferably equal to or larger than the second variable F B , and the first volume V A of the first settling chamber is equal to or larger than the second volume V B of the second settling chamber.
  • the sizes F of the inlet openings also differ, according to which the starting component which is larger in terms of quantity also has a larger outlet opening. The same applies to the volumes V of the settling chambers.
  • the first settling chamber and/or the second settling chamber advantageously has a dead volume arranged in front of the radial wall.
  • the dead volume is in particular filled with the component.
  • the mass already present in the dead volume slows down the inflowing mass.
  • the first component A and/or the second component B is decelerated and/or deflected in the area of the dead volume.
  • the dead volume is used for (short-term) storage or buffering of the (mostly) free-flowing starting component whose fluid flow is deflected by the radial wall. As a result, the fluid flow is slowed down (calmed down) and possibly subsequently deflected.
  • the decelerated fluid flow is deflected by the baffle.
  • the deflection wall advantageously adjoins the radial wall and the walls delimit the dead volume.
  • the first settling chamber and/or the second settling chamber of the mixer has at least one partition wall arranged along the longitudinal axis L, which divides the first settling chamber and/or the second settling chamber into two sub-chambers.
  • the fluid flow of the component is divided into two partial flows by the dividing wall. These can then be diverted separately. This facilitates subsequent mixing with the other component
  • the first settling chamber and/or the second settling chamber preferably has at least one connection opening to the mixing area, which serves to release component A and/or component B into the mixing area and/or to mix component A with component B.
  • the figures 1 , 1A and 1B show a first embodiment of the mixing device 1 for arrangement in a mixer housing (not shown).
  • the mixer 1 with a longitudinal axis L and a radius R has a connection area 2 for connection to a two-component or multi-component cartridge (not shown), which contains at least a first component A and a second component B.
  • a two-component or multi-component cartridge (not shown), which contains at least a first component A and a second component B.
  • there is a different quantity or mixing ratio (and possibly different viscosity) between the two components with a significantly larger amount of component A being present.
  • the mixer 1 has an inlet area 3, a settling area 4 and a mixing area 5.
  • the inlet area 3 has a first inlet opening 31 for the first component A and a second inlet opening 32 for the second component B.
  • the inlet openings 31 and 32 open into the calming area 4.
  • the calming area 4 comprises a first calming chamber 41 with a first volume V A and a second calming chamber 42 with a second volume V B .
  • the two settling chambers 41 and 42 are separated from one another by a partition wall 6 .
  • the first Settling chamber 41 and the second settling chamber 42 are connected to the mixing area 5 .
  • the mixing area 5 has a continuous mixing structure 51 for mixing the two components A and B.
  • the Figures 1A and 1B show the calming area 4 with the inlet area 3 with the first inlet opening 31 with a first size F A and the second inlet opening 32 with a second size F B in detail.
  • the first inlet opening 31 is approximately four times larger than the second inlet opening 32 in this example.
  • Out of Figure 1A shows the inlet opening 31 of the component A and the concrete structure of the adjoining first settling chamber 41 with a first volume V A of the settling area 4 .
  • the first settling chamber 41 is divided by a dividing wall 9, which is arranged along the longitudinal axis L, into two sub-chambers 411 and 412, each with a first collecting area 4111 and 4121 and a second collecting area 4112 and 4122, whereby the fluid flow of component A is divided into two Partial streams is divided.
  • the two subchambers 411 and 412 are structurally identical.
  • the first settling chamber 41 has a radial wall 7 along the radius R, ie perpendicular to the longitudinal axis L, which blocks or decelerates the fluid flow or the partial flows of component A.
  • the first settling chamber 41 has a deflection wall 8 .
  • the deflection wall 8 together with the partition wall 9, the radial wall 7, the wall of the inlet area and the mixer housing forms a first collection area with a dead volume in which the (partial) fluid flow is slowed down and collected or calmed down.
  • the deflection wall 8 does not extend all the way to the wall of the inlet area and thus forms an opening 81.
  • the deflection wall 8 therefore (partially) separates the first collection area 4111 and the second collection area 4112.
  • the deflection wall 8 serves to deflect and forward the fluid flow to the second Catch area 4112.
  • the second collecting area 4112 is formed by the deflection wall 8, the partition wall 9, the radial wall 7, the wall of the inlet area and the mixer housing (not shown).
  • the radial wall 7 has a connection opening 71 to the mixing area 5 .
  • the second collecting area 4112 causes the fluid flow to be slowed down or backed up again and calming down.
  • the fluid stream flows into the mixer area 5 via the connection opening 71.
  • the dividing wall 9 also divides the second settling chamber 42 into two sub-chambers 421 and 422, as a result of which the fluid flow of component B is divided into two partial flows.
  • Each of the sub-chambers 421, 422 is spatially connected to the adjoining mixer structure 51 and is suitable for conducting the fluid flow or the partial flows of component B into the mixer structure 51.
  • FIG. 2 shows a second embodiment of the invention.
  • the inlet area 3 and calming area 4 of the mixer are identical to the first embodiment.
  • the mixing structure 51 of the mixing area 5 has two helical structures 52 which serve to mix the two starting components.
  • the Figures 3 , 3A and 3B show a third embodiment of the invention.
  • the mixed structure 51 with two helix structures 52 corresponds to the mixed region 5 of the second embodiment.
  • the settling area 4, in particular the first settling chamber 41, has differences in structural design with respect to the first two embodiments, which will be discussed below.
  • Figure 3A shows the first settling chamber 41 in detail.
  • the partition wall 9 divides the stilling chamber 41 into two structurally identical sub-chambers 411' and 412'.
  • the first sub-chamber 411' is divided into three catchment areas 4111', 4112', 4113' by three radial walls 7', 72, 73'.
  • the second sub-chamber 412' is also divided into three catchment areas 4121', 4122', 4123' (not shown).
  • the radial wall 7' is basically drawn up to the partition wall 6, apart from a recess which forms an opening 71' between the mixer housing (not shown) and the partition wall 6.
  • the third radial wall 73 has an opening 731 which then transitions into the mixer structure 51 .
  • the mixing structure 51 has, inter alia, two regions with a helical structure 52, each of which is arranged between the basic mixer structure.
  • the main difference is that the first settling chamber 41 is basically divided into two sub-chambers 411" and 412" (only 412" is visible), but only one sub-chamber 412" is used to convey the fluid flow of component A and the other sub-chamber 411" is not is filled or separated and forms a cavity by component A.
  • This measure serves to adapt the two starting components if, for example, component B is significantly more viscous than component A is pulled all the way through to the mixer housing to form the two sub-chambers 411" and 412".
  • the partition wall 9 divides the first (and second) stilling area into two sub-chambers 411'' and 412''.
  • the first calming area is divided into three catchment areas 4121", 4122", 4123" by corresponding radial walls.
  • the fluid flow of component A passes through the inlet opening 31 into the first catchment area 4121" of the first calming area 41, where it impinges on the perpendicular radial wall 7".
  • the first collecting area 4121" has a further wall 91, which completely separates the two sub-chambers 411" and 412" from one another.
  • the wall 91 forms the first collecting area 4121".
  • the dividing wall 9 forms another dead volume in the first collecting area 4121'', in which the fluid flow of component A is collected and calmed.
  • the radial wall 7" has a connection opening 71" via which the fluid flow of component A passes into the second collection area 4122".
  • the fluid flow meets a second radial wall 72' there and is directed to a connection opening 721' arranged therein, which is radially offset to the first connection opening 71".
  • This is followed by the third collecting area 4123′′ with a third radial wall 73′ with the opening 731′, which merges into the mixer structure 51.
  • the connecting openings 721′ and 731′ are arranged radially offset from one another, so that the fluid stream flows through both collecting areas, i.e correspondingly deflected and calmed down.
  • Figure 4B shows the second inlet opening 32 with the adjoining second calming area 42, which structurally corresponds to that of the aforementioned embodiments or is divided into two sub-chambers by the wall 9.
  • the area of the first settling chamber 41 or the sub-chamber 411" can be seen, which is/are not filled by the component A, since the area is completely separated by the wall 91 from the area into which the first opening 31 opens.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (10)

  1. Mélangeur (1) destiné à être raccordé sur une cartouche bicomposants ou multicomposants, pourvu d'un axe longitudinal L, qui contient au moins un premier composant A et un deuxième composant B, comprenant une zone d'entrée (3), une zone de stabilisation (4) et une zone de mélange (5), la zone de stabilisation (4) étant placée entre la zone d'entrée (3) et la zone de mélange (5),
    la zone d'entrée (3) comportant au moins un premier orifice d'admission (31), pour l'entrée du premier composant A dans la zone de stabilisation (4) et un deuxième orifice d'admission (32) pour l'entrée du deuxième composant B dans la zone de stabilisation (4), le premier orifice d'admission (31) présentant une première dimension FA et le deuxième orifice d'admission (32) présentant une deuxième dimension FB,
    la zone de stabilisation (4) comportant une première chambre de stabilisation (41) pourvue d'un premier volume VA, et une deuxième chambre de stabilisation (42), pourvue d'un deuxième volume VB,
    le premier composant A s'écoulant par l'intermédiaire du premier orifice d'admission (31) dans une première direction de flux dans la première chambre de stabilisation (41) et le deuxième composant B s'écoulant par l'intermédiaire du deuxième orifice d'admission (32) dans une deuxième direction de flux dans la deuxième chambre de stabilisation (42),
    la première chambre de stabilisation (41) et la deuxième chambre de stabilisation (42) étant reliées avec la zone de mélange (5), et la zone de stabilisation (4) comportant une paroi de séparation (6) entre la première chambre de stabilisation (41) et la deuxième chambre de stabilisation (42), qui délimite le premier volume VA du deuxième volume VB et au moins une paroi (7, 7', 7") placée à la transversale et / ou à la perpendiculaire de la première et / ou de la deuxième direction de flux, destinée à freiner et / ou à renvoyer le premier composant A affluant et / ou le deuxième composant B affluant sur l'extrémité du côté mélangeur de la zone de stabilisation (4), et la première chambre de stabilisation (41) et / ou la deuxième chambre de stabilisation (42) comportant au moins une paroi de renvoi (8), destinée à renvoyer et à retransférer le flux de fluide, qui est placée à la parallèle de l'axe L ou le long de l'axe L.
  2. Mélangeur (1) selon la revendication 1, caractérisé en ce que la zone de mélange (5) comporte une structure de mélangeur (51), destinée à séparer et à rassembler des brins du composant A et du composant B.
  3. Mélangeur (1) selon la revendication 1 ou 2, caractérisé en ce que le rapport de la première dimension FA à la deuxième dimension FB correspond largement au rapport du premier volume VA au deuxième volume VB.
  4. Mélangeur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le rapport VA/VB est = à FA/FB +/- 50%*FA/FB, notamment VA/VB est = à FA/FB +/- 25%*FA/FB, notamment VA/VB est = à FA/FB +/- 10%*FA/FB.
  5. Mélangeur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première dimension FA est supérieure ou égale à la deuxième dimension FB, et le premier volume VA de la première chambre de stabilisation (41) est supérieur ou égal au deuxième volume VB de la deuxième chambre de stabilisation (42).
  6. Mélangeur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première chambre de stabilisation (41) et / ou la deuxième chambre de stabilisation (42) comporte un volume mort placé à l'avant de la paroi radiale (7, 7', 7").
  7. Mélangeur (1) selon la revendication 6, caractérisé en ce que le premier composant A et / ou le deuxième composant B est freiné et / ou renvoyé dans la zone du volume mort.
  8. Mélangeur (1) selon la revendication 1, caractérisé en ce que la paroi de renvoi (8) se raccorde sur la paroi radiale (7) et les parois délimitent le volume mort.
  9. Mélangeur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première chambre de stabilisation (41) et / ou la deuxième chambre de stabilisation (42) comporte au moins une paroi de répartition (9), qui est placée le long de l'axe longitudinal L, qui divise la première chambre de stabilisation (41) et/ ou la deuxième chambre de stabilisation (42) en chaque fois deux chambres secondaires (411, 412; 411', 412'; 421, 422; 421', 422').
  10. Mélangeur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première chambre de stabilisation (41) et / ou la deuxième chambre de stabilisation (42) comporte au moins un orifice de liaison (71, 71', 721', 731, 731') vers la zone de mélange (4), qui sert à distribuer le composant A et / ou le composant B dans la zone de mélange (4) et / ou à mélanger le composant A avec le composant B.
EP19171981.4A 2019-04-30 2019-04-30 Mélangeur doté de réservoirs d'amortissement Active EP3733271B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
HUE19171981A HUE062282T2 (hu) 2019-04-30 2019-04-30 Keverõ csillapítótartállyal
EP19171981.4A EP3733271B1 (fr) 2019-04-30 2019-04-30 Mélangeur doté de réservoirs d'amortissement
PL19171981.4T PL3733271T3 (pl) 2019-04-30 2019-04-30 Mieszalnik ze zbiornikami uspokajającymi
ES19171981T ES2948946T3 (es) 2019-04-30 2019-04-30 Mezclador con depósitos de estabilización

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19171981.4A EP3733271B1 (fr) 2019-04-30 2019-04-30 Mélangeur doté de réservoirs d'amortissement

Publications (2)

Publication Number Publication Date
EP3733271A1 EP3733271A1 (fr) 2020-11-04
EP3733271B1 true EP3733271B1 (fr) 2023-04-05

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Family Applications (1)

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EP19171981.4A Active EP3733271B1 (fr) 2019-04-30 2019-04-30 Mélangeur doté de réservoirs d'amortissement

Country Status (4)

Country Link
EP (1) EP3733271B1 (fr)
ES (1) ES2948946T3 (fr)
HU (1) HUE062282T2 (fr)
PL (1) PL3733271T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4371657A1 (fr) * 2022-11-18 2024-05-22 medmix Switzerland AG Mélangeur statique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584428B1 (fr) * 1992-08-24 1996-03-13 Wilhelm A. Keller Mélangeur pour doubles cartouches dispensatrices
US9550159B2 (en) * 2011-08-24 2017-01-24 Kettenbach Gmbh & Co. Kg Mixer and dispensing device
EP3299082A1 (fr) * 2016-09-21 2018-03-28 3M Innovative Properties Company Ensemble mélangeur et dispositif de distribution de matériau dentaire

Also Published As

Publication number Publication date
EP3733271A1 (fr) 2020-11-04
ES2948946T3 (es) 2023-09-22
PL3733271T3 (pl) 2023-09-04
HUE062282T2 (hu) 2023-10-28

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