EP3733271A1 - Mélangeur doté des réservoirs d'amortissement - Google Patents

Mélangeur doté des réservoirs d'amortissement Download PDF

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Publication number
EP3733271A1
EP3733271A1 EP19171981.4A EP19171981A EP3733271A1 EP 3733271 A1 EP3733271 A1 EP 3733271A1 EP 19171981 A EP19171981 A EP 19171981A EP 3733271 A1 EP3733271 A1 EP 3733271A1
Authority
EP
European Patent Office
Prior art keywords
area
calming
component
mixer
chamber
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.)
Granted
Application number
EP19171981.4A
Other languages
German (de)
English (en)
Other versions
EP3733271B1 (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 ES19171981T priority Critical patent/ES2948946T3/es
Priority to HUE19171981A priority patent/HUE062282T2/hu
Priority to EP19171981.4A priority patent/EP3733271B1/fr
Priority to PL19171981.4T priority patent/PL3733271T3/pl
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 which contains 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 invention is therefore based on the object of providing a mixing device in order to uniformly mix at least two starting components with different amounts and different rheological behavior with one another.
  • the object is achieved by a mixer for connection to a two- or multi-component cartridge according to claim 1.
  • the mixer for connection to a two- 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 calming area and a mixing area, the calming area being arranged between the inlet area and the mixing area, wherein the inlet region has at least one first inlet opening for the entry of the first component A into the Having a calming area and a second inlet opening for the inlet of the second component B into the calming area, the first inlet opening having a first size F A and the second inlet opening having a second size F B , the calming area having a first calming chamber with a first volume V A , and a second calming chamber with a second volume V B , the first component A flowing into the first calming chamber via the first inlet opening in a first flow direction and the second component B flowing via the second inlet opening into the second calming chamber in a second flow direction, wherein the first calming chamber and / or the second calming chamber
  • the wall is referred to below as a radial wall (as opposed to axial walls). However, this does not mean that the claimed scope of protection is restricted to a specific cross-sectional shape of the mixer.
  • the starting components have different proportions depending on their respective use and, due to their different specific chemical and material properties, also have a different rheology.
  • the two starting components are usually ejected from the cartridges by a common force and mixed with one another in the mixing area.
  • the mixed substance corresponds to the proportions of the starting substances.
  • a particularly flowable starting component can be slowed down or calmed down in order to achieve improved mixing.
  • 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, brakes and / or deflects it.
  • the fluid flow of the starting component which is usually more fluid, is slowed down and subsequent mixing with the slower component is improved.
  • the mixer preferably has a mixer structure for separating and bringing together strands of component A and component B.
  • the mixed structure comprises one or more different geometries, e.g. vertical or inclined baffles, and baffles, redistribution chambers, passages, etc., to influence the fluid flows of the different starting components and mix them with one another.
  • the strands in the mixer structure are separated and brought back together several times.
  • the ratio of the first size F A to the second size F B largely corresponds to the ratio of the first volume V A to the second volume V B.
  • the ratio of the respective amount 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 calming chambers in order to achieve a uniform mixing.
  • V A / V B F A / F B +/- 50% ⁇ F A / F B
  • V A / V B F A / F B +/- 25% ⁇ F A / F B
  • V A / V B F A / F B +/- 10% ⁇ F A / F B.
  • the first size F A is preferably equal to or greater than the second size F B
  • the first volume V A of the first calming chamber is equal to or greater than the second volume V B of the second calming 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 calming chambers.
  • the first calming chamber and / or the second calming 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 decelerates the inflowing mass.
  • the first component A and / or the second component B is braked and / or deflected in the area of the dead volume.
  • the dead volume is used for (short-term) storage or buffering of the (mostly) flowable starting component, the fluid flow of which is deflected from the radial wall. As a result, the fluid flow is slowed down (calmed down) and, if necessary, subsequently deflected.
  • the first calming chamber and / or the second calming chamber has at least one deflection wall which is arranged parallel to the L axis or along the L axis.
  • the slowed fluid flow is deflected by the deflection wall.
  • the deflection wall advantageously adjoins the radial wall and the walls delimit the dead volume.
  • the first calming chamber and / or the second calming chamber of the mixer has at least one partition wall, which is arranged along the longitudinal axis L, which divides the first calming chamber and / or the second calming chamber into two sub-chambers.
  • the fluid flow of the component is divided into two partial flows by the partition wall. These can then be diverted separately. This will facilitate the subsequent mixing with the other component
  • the first calming chamber and / or the second calming chamber preferably has at least one connection opening to the mixing area, which is used to dispense 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- or multi-component cartridge (not shown) which contains at least a first component A and a second component B.
  • a two- 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 calming 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 calming chambers 41 and 42 are separated from one another by a partition 6.
  • the first Calming chamber 41 and the second calming chamber 42 are connected to the mixing region 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.
  • the first calming chamber 41 is divided by a partition wall 9, which is arranged along the longitudinal axis L, into two sub-chambers 411 and 412, each with a first collection area 4111 and 4121 and each with a second collection area 4112 and 4122, whereby the fluid flow of component A into two Partial flows is divided.
  • the two sub-chambers 411 and 412 are structurally identical.
  • the first calming chamber 41 also has a radial wall 7 along the radius R, that is to say perpendicular to the longitudinal axis L, which blocks or decelerates the fluid flow or the partial flows of component A.
  • the first calming chamber 41 has a deflecting wall 8.
  • the deflecting wall 8 is not pulled right through to the wall of the inlet area and thus forms an opening 81.
  • the deflecting wall 8 therefore (partially) separates the first collecting area 4111 and the second collecting area 4112.
  • the deflecting wall 8 is used to deflect and forward the fluid flow to the second Collection area 4112.
  • the second collection 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 region 5.
  • the second collecting area 4112 has the effect that the fluid flow is slowed down or backed up again and a calming occurs.
  • the fluid stream flows into the mixer region 5 via the connection opening 71.
  • the dividing wall 9 also divides the second calming chamber 42 into two sub-chambers 421 and 422, whereby the fluid flow of component B is divided into two partial flows.
  • Each of the sub-chambers 421, 422 is in spatial connection with the adjoining mixer structure 51 and is suitable for conveying 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 mixing structure 51 with two helix structures 52 corresponds to the mixing area 5 of the second embodiment.
  • the calming area 4, in particular the first calming chamber 41, has differences in the structural design with regard to the first two embodiments, which will be discussed below.
  • Figure 3A shows the first calming chamber 41 in detail.
  • the partition wall 9 again divides the calming chamber 41 into two structurally identical sub-chambers 411 'and 412'.
  • the first sub-chamber 411 ' is divided into three collecting areas 4111', 4112 ', 4113' by three radial walls 7 ', 72, 73.
  • the second sub-chamber 412 ' is also divided into three collecting areas 4121', 4122 ', 4123' (not shown).
  • the radial wall 7 ' is basically drawn as far as the partition 6, apart from a cutout which forms an opening 71' between the mixer housing (not shown) and the partition 6.
  • the third radial wall 73 has an opening 731, which then merges into the mixer structure 51.
  • the mixing structure 51 has, inter alia, two regions with a helical structure 52, which are each arranged between the basic mixer structure.
  • the main difference is that the first calming chamber 41 is basically divided into two sub-chambers 411 "and 412" (only 412 "is visible), but only one sub-chamber 412" serves to convey the fluid flow of component A and the other sub-chamber 411 "does not is filled or separated from component A and forms a cavity. This measure is used to adapt the two starting components, for example if component B is significantly more viscous than component A. Therefore, the first calming area 41 has a wall 91 which is fully pulled through to the mixer housing to form the two sub-chambers 411 "and 412".
  • the partition wall 9 divides the first (and second) calming area into two sub-chambers 411 ′′ and 412 ′′.
  • the first calming area is divided into three collecting areas 4121 ", 4122", 4123 "by appropriate radial walls.
  • the fluid flow of component A reaches the first collecting area 4121" of the first calming area 41 via the inlet opening 31 and there hits the vertical 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 a further 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 ′′ through which the fluid flow of component A passes into the second collecting area 4122 ′′. There the fluid flow meets a second radial wall 72 ′ and is directed to a connection opening 721 ′ arranged therein, which is radially offset to the first connection port 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 flow flows through both collecting areas, i.e. is redirected and calmed down accordingly.
  • 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 calming chamber 41 or the sub-chamber 411 ′′ can be seen which is / are not filled by component A, since the area is completely separated by the wall 91 from the area into which the first opening 31 opens.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
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
ES19171981T ES2948946T3 (es) 2019-04-30 2019-04-30 Mezclador con depósitos de estabilización
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

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

Family

ID=66349372

Family Applications (1)

Application Number Title Priority Date Filing Date
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)

Cited By (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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487606A (en) * 1992-08-24 1996-01-30 Keller; Wilhelm A. Mixer for double cartridge dispenser
US20170157581A1 (en) * 2011-08-24 2017-06-08 Kettenbach Gmbh & Co. Kg Cartridge System and Static Mixer Therefor
EP3299082A1 (fr) * 2016-09-21 2018-03-28 3M Innovative Properties Company Ensemble mélangeur et dispositif de distribution de matériau dentaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487606A (en) * 1992-08-24 1996-01-30 Keller; Wilhelm A. Mixer for double cartridge dispenser
US20170157581A1 (en) * 2011-08-24 2017-06-08 Kettenbach Gmbh & Co. Kg Cartridge System and Static Mixer Therefor
EP3299082A1 (fr) * 2016-09-21 2018-03-28 3M Innovative Properties Company Ensemble mélangeur et dispositif de distribution de matériau dentaire

Cited By (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

Also Published As

Publication number Publication date
PL3733271T3 (pl) 2023-09-04
ES2948946T3 (es) 2023-09-22
EP3733271B1 (fr) 2023-04-05
HUE062282T2 (hu) 2023-10-28

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