EP3495036B1 - Garniture statique de mélange pour mélangeur statique, mélangeur statique ainsi que procédé de fabrication - Google Patents

Garniture statique de mélange pour mélangeur statique, mélangeur statique ainsi que procédé de fabrication Download PDF

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Publication number
EP3495036B1
EP3495036B1 EP17205519.6A EP17205519A EP3495036B1 EP 3495036 B1 EP3495036 B1 EP 3495036B1 EP 17205519 A EP17205519 A EP 17205519A EP 3495036 B1 EP3495036 B1 EP 3495036B1
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EP
European Patent Office
Prior art keywords
mixer insert
mixing element
mixer
outer circumference
longitudinal axis
Prior art date
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Application number
EP17205519.6A
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German (de)
English (en)
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EP3495036A1 (fr
Inventor
Bernhard Hug
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.)
Stamixco AG
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Stamixco AG
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Publication date
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Priority to EP17205519.6A priority Critical patent/EP3495036B1/fr
Publication of EP3495036A1 publication Critical patent/EP3495036A1/fr
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Publication of EP3495036B1 publication Critical patent/EP3495036B1/fr
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    • 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
    • B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
    • B01F25/43161—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod composed of consecutive sections of flat pieces of material

Definitions

  • the invention relates to a one-piece (static) mixer insert according to the preamble of claim 1 for a static mixer, comprising a first mixing element with a plurality of intersecting first webs (extending along the longitudinal center axis and arranged at an angle thereto) and at least one along a longitudinal axis second mixing element adjacent to the first mixing element and rotated by a twisting angle, in particular of 90°, relative to the first mixing element about the longitudinal axis, in particular identical, with a plurality of intersecting second webs (extending along the longitudinal central axis and arranged at an angle thereto), wherein the first webs have first web ends facing the second mixing element and the second webs have first web ends facing the first mixing element and wherein a part of the first and second web ends are distributed over the outer circumference of the mixer insert.
  • the feature of the distributed arrangement of the first and second web ends over the outer circumference of the mixer insert means that these first and second webs or their web ends would end on the outer circumference, ie not in the interior of the mixer insert, without the connecting sections provided according to the invention to be explained later.
  • the first web ends facing the second mixing element are arranged between a first crossing plane, in which the first webs intersect, and the second mixing element.
  • the second web ends are arranged between a second crossing plane, in which the second webs intersect, and the first mixing element.
  • the webs are preferably support sections of the mixing elements which extend in a straight line, at an angle to and along the longitudinal central axis.
  • Each mixing element has two groups of preferably parallel webs, where the two groups or the webs of the two groups intersect.
  • the two groups of webs are preferably arranged in such a way that a web of the other group is accommodated perpendicularly to the longitudinal axis between each two webs of one group.
  • At least one of the two groups has at least two webs which are spaced apart perpendicularly to the longitudinal axis, with a web of the other group being arranged between the webs.
  • Each mixing element preferably comprises between three and twenty, preferably between four and twelve, ribs which are distributed over the two groups and are arranged next to one another perpendicularly to the longitudinal axis. More preferably, the first and at least the second mixing element have the same number and/or arrangement of fins.
  • the invention relates to a static mixer according to claim 10, comprising at least one, preferably exclusively one, mixer insert according to the invention.
  • the mixer insert is arranged in a preferably tubular or line-shaped surrounding housing, which is preferably formed by the inner circumference of a fluid line of a device, in particular an industrial production device, very particularly preferably a spraying device.
  • the invention relates to a method for producing such a mixer insert according to the preamble of claim 11.
  • the known mixer insert is arranged inside a tubular container and comprises a plurality of individual mixing elements arranged one behind the other along a longitudinal axis of the mixer element, each of which comprises a plurality of intersecting webs.
  • the mixing elements are alternately 90° relative to the longitudinal axis arranged twisted to each other.
  • the well-known mixer insert or its individual mixing elements can only be produced in a complex metal casting process, with the mold being destroyed.
  • filling the tubular housing with individual mixing elements to form the mixer insert is time-consuming. It has also become known to weld the individual mixing elements together at certain points to form a one-piece mixer insert.
  • mixer insert that is optimized in terms of production technology and consists of two plastic injection-molded parts that can be pushed into one another perpendicularly to form the mixer insert.
  • Such a mixer insert is in the WO 2017/097860 A1 disclosed.
  • the known mixer insert is only suitable to a limited extent or not at all for high pressures such as occur, for example, in supply lines for molten thermoplastic material in plastic injection molding devices, nor for high temperatures, which also occur in the aforementioned application.
  • DE 10 2015 121 351 A1 discloses a one-piece mixer insert according to the preamble of claim 1.
  • the invention is based on the object of specifying a one-piece and cost-effective mixer insert for static mixers which can be made simply and cost-effectively from materials that are stable under pressure and temperature, in particular metal or ceramic can be manufactured. Furthermore, the task consists in specifying a static mixer with such a mixer insert and an optimized production method for the production of such a mixer insert.
  • each of the first web ends of the first mixing element, which are distributed over the outer circumference of the mixer insert is materially connected via a connecting section to a connection section, in particular one that is spatially closest to the the outer circumference of the mixer insert is connected to the second web ends of the axially adjacent second mixing element which are arranged in a distributed manner.
  • each first web end facing the second mixer insert and arranged on the outer circumference of the mixer insert transitions in one piece or monolithically via a respective connection section, in particular designed as a connecting web, into one of the second web ends of the second mixing element, facing the first mixing element and arranged on the outer circumference.
  • the first web ends of the first mixing element which are distributed over the outer circumference, support an associated second web end via the respective connection section formed monolithically with a respective first web end, so that a layered, monolithic production of the mixer insert, in particular in a 3D printing process or in a generative process , very particularly preferably in a powder bed process, even more preferably in a laser sintering process is possible.
  • the mixing element according to the invention can be made of pressure- and temperature-stable materials, in particular metal or ceramics, which is preferred, so that a pressure- and temperature-stable, monolithic mixer insert has at least two, preferably only two or only three axially adjacent webs that each have intersecting webs Mixing elements results.
  • Prefers is when the connecting sections connecting the respective first and second web ends distributed over the outer circumference, in particular in the form of connecting webs, extend both at an angle to the longitudinal extent of the respectively assigned first web and at an angle to the longitudinal extent of the respectively assigned second web. In other words, it is preferred if the connecting sections each span an angle (not equal to 180°) with the two webs connected via the respective connecting section.
  • the object is achieved with the features of claim 10, i.e. in a generic static mixer through the use of at least one, preferably exclusively one mixer insert designed according to the concept of the invention, which to complete its mixer functionality in a tubular, for example a Fluid line formed surrounding housing is added to an inlet and an outlet axially spaced therefrom, wherein the inner diameter of the surrounding housing corresponds to the outer circumference of the mixer insert, possibly plus a (particularly small) game.
  • the object is achieved with the features of claim 11, i.e. in a generic method in that the mixer insert is built up monolithically, in layers by means of layers adjacent along the longitudinal axis and extending perpendicularly to the longitudinal axis in a generative process or in a 3D printing process
  • the first mixing element is first built up in layers with its first web ends distributed over the outer circumference of the mixer insert and then to the first web ends of the first mixing element distributed over the outer circumference Connecting web formed connecting section is connected in perspective (i.e.
  • features disclosed according to the device should also apply and be claimable as according to the method.
  • features disclosed according to the method should also apply and be claimable as disclosed according to the device.
  • the invention is based on the idea of designing the mixer insert in such a way that it can be manufactured from metal or ceramic using a 3D printing process or alternatively a generative process, such as a powder bed process, very particularly preferably a laser sintering process, preferably without the need to remove support material again or use support structures to be removed again or to have to build.
  • a 3D printing process or alternatively a generative process, such as a powder bed process, very particularly preferably a laser sintering process, preferably without the need to remove support material again or use support structures to be removed again or to have to build.
  • first web ends of the first intersecting webs of the first mixing element which are distributed over the outer circumference of the mixer insert and face the second mixing element
  • second web ends of the second intersecting webs of the second intersecting webs which are distributed over the outer circumference and face the first mixing element second mixing element are designed or connected monolithically or are via a respective connecting section made of the mixer insert material, in particular metal or ceramic.
  • the connecting sections, in particular the connecting webs preferably each run at an angle both to the longitudinal extent of the respective first and the respective second web monolithically connected or formed to one another via the respective connecting section.
  • An embodiment is very particularly preferred in which there are no free web ends in the transition area between the first mixing element and the second mixing element, but rather these transition into the respective adjacent mixing element via corresponding connecting sections.
  • the monolithic connection of the web ends of the first and second mixing element, which are distributed over the outer circumference and face the other mixing element, not only enables a revolutionary production of the mixer insert made of metal or ceramic in a 3D printing process or in a generative process, but also pressure stability of the resulting mixer insert is significantly increased in comparison to known mixer inserts with the respective free web ends facing the adjacent mixing element, since axial forces can be supported or absorbed via the intermediate elements.
  • first and second web ends are also not designed as free ends, but monolithically or materially connected to the respective axially adjacent mixing element are formed or connected.
  • this is preferably achieved in that the first and second web ends, which are not distributed over the outer circumference, meet along a transverse axis extending perpendicularly to the longitudinal axis and are connected to one another materially there, in particular perpendicularly to the longitudinal axis.
  • this transverse axis is completed or terminated at both ends by first and/or second webs arranged on the outer circumference and/or connecting sections (in particular connecting webs) connecting them.
  • each mixing element has two crossing planes spaced apart along the longitudinal axis, in which crosspieces of the mixing element intersect.
  • the mixing elements of the mixer insert according to the invention are expediently designed in such a way that they each have only a single crossing plane extending perpendicularly to the longitudinal center axis in which the webs of the respective mixing element intersect.
  • the feature 'intersect' means that the webs not only meet in a crossing plane, but also extend beyond the crossing plane.
  • an embodiment of the mixing element can be realized which has free web ends at most in the area of the mixer insert ends, ie at the ends pointing away from one another, which point axially away from all adjacent mixing elements.
  • An embodiment of the mixer insert is particularly expedient in which the intersecting first webs and/or the intersecting second webs form an angle opening along the longitudinal axis of between 89° and 1°, preferably between 80° and 10°, even more preferably between 70 ° and 20 °, most preferably between 60 ° and 30 °, even more preferably between 59 ° and 53 °, most preferably spanning 56 °, in particular, which is preferred when the ratio between height and longitudinal extent of each of the mixer elements along the longitudinal central axis and the diameter of the respective mixer element should be one to one.
  • the webs preferably each span an angle with the longitudinal central axis which corresponds to half of the above-mentioned angle between two intersecting webs.
  • each mixer element has intersecting webs that extend from an outer peripheral side of the associated mixing element to a diametrically opposite outer peripheral side of the mixing element. In a development of the invention, this is not the case here—this means that, according to a preferred embodiment, none of the first and second webs extends from an outer peripheral side of the associated mixing element to a diametrically opposite outer peripheral side of the mixing element.
  • An embodiment of the mixer insert is particularly expedient in which the length of the mixer insert is an even multiple of the outside diameter of the enveloping contour, ie the outside diameter of the mixer insert. It is preferred if the ratio of the length of each mixer insert to its diameter, measured perpendicularly to the longitudinal extent, is one to one.
  • one embodiment of the Mixer insert particularly preferred, in which all the second mixing element facing first web ends of the first webs of the first mixing element are materially connected to the second mixing element, in particular to the first mixing element facing second web ends of the second webs of the second mixing element.
  • the (outer) enveloping contour of the mixer insert is in the form of a circular cylinder.
  • the webs in particular at or in the region of the first and/or second web ends and/or the web ends of the second mixing element pointing away from the first mixing element, are provided with fluid conductor elevations monolithically formed with the respective webs , which taper, in particular in the shape of an arrow, along the longitudinal axis (perpendicular to it) against the direction of flow of fluid flowing through a finished mixer insert, in order to deflect or displace the fluid laterally, in order to prevent the fluid from flowing directly against a peripheral wall surrounding the mixer insert in a finished static mixer is pressed.
  • fluid conductor elevations monolithically formed with the respective webs , which taper, in particular in the shape of an arrow, along the longitudinal axis (perpendicular to it) against the direction of flow of fluid flowing through a finished mixer insert, in order to deflect or displace the fluid laterally, in order to prevent the fluid from flowing directly against a peripheral wall surrounding the mixer insert in a finished static mixer is pressed.
  • the static mixer insert according to the invention can be produced monolithically, preferably from metal or ceramics, specifically in a 3D printing process or in a generative process, very particularly preferably in a powder bed process, even more preferably in a laser sintering process or alternative generative processes. It is essential that the mixer insert is built up in layers in the axial direction, ie in the direction of its longitudinal extension, with the layers perpendicular to the longitudinal axis build up or extend.
  • the first mixing element is first built up in layers, specifically with its first web ends facing a later second mixing element, which then transition in layers or are connected to respective connecting sections, in particular connecting webs, to which the second web ends of the second mixing element to be built up in layers then directly adjoin.
  • the connecting sections remain in the mixer insert and therefore no longer have to be removed, which not only results in a mixer insert that is surprisingly simple to manufacture, but also in a mixer insert that is particularly pressure-resistant and, due to the choice of material, also temperature-stable.
  • mixer insert which comprises a plurality of, in particular exclusively two or exclusively three, mixing elements, of which adjacent mixing elements are arranged rotated relative to one another by an angle of rotation, for example of 90° or less, about the longitudinal central axis Way form a static mixer in which the mixer insert is received in a surrounding housing.
  • the static mixer is characterized in that the mixer insert is accommodated in a, in particular tubular, surrounding housing, which is preferably made of metal or ceramic and very particularly preferably by an industrial device, such as an injection molding device, or a fluid line or a fluid line provided therein Fluid line section is formed.
  • the static mixer according to the invention and/or the one-piece mixer insert according to the invention is suitable in particular, but not limited to this, for use in plastic injection molding machines for mixing thermoplastic, molten plastic to be injected in order to homogenize the temperature profile.
  • the figures show a one-piece, monolithic (static) mixer insert 1, in this case made of metal, for forming a static mixer by arranging the mixer insert 1 in a tube or line-like surrounding housing, not shown.
  • the mixer insert 1 has a circular-cylindrical (outer) enveloping contour.
  • the mixer insert 1 comprises a first mixing element 2 at the bottom in the plane of the drawing and a second mixing element 3 which is adjacent axially along a longitudinal axis L.
  • the two mixing elements 2, 3 are designed monolithically, avoiding free web ends or merge into one another via connecting sections 4, which are only for reasons of the better comprehensibility or identifiability in the figures are represented graphically or in different colors - in reality, these look from their outer surface or composition like the actual mixing elements 2, 3, i.e. merge seamlessly into them.
  • the first mixing element 2 has a plurality of first webs 6 which intersect in a single first crossing plane 5 and which extend along the longitudinal central axis L and are arranged at an angle to it or form an angle with it.
  • first webs 6 which intersect in a single first crossing plane 5 and which extend along the longitudinal central axis L and are arranged at an angle to it or form an angle with it.
  • two intersecting first webs each span an angle ⁇ of 56° in the present case.
  • the first webs 6 are divided into two groups 7, 8 of webs, the first webs 6 of the groups 7, 8 being arranged perpendicularly to the longitudinal center axis L in alternation.
  • the first webs 6 have the second mixing element 3 facing first web ends 9 which are arranged axially between the second mixing element 3 and the single first crossing plane 5 .
  • the first web ends 9 are divided into a part of the first web ends 10 distributed over the outer circumference and a part of the inner first web ends 11.
  • the second mixing element 3 is constructed almost identically to the first mixing element 2 with the essential difference that the second mixing element 3 is arranged rotated by 90° about the longitudinal central axis L relative to the first mixing element 2 .
  • the second mixing element 3 comprises a multiplicity of crossing second webs 12 which intersect in a single second crossing plane 13 .
  • the second intersecting webs 12 also span an angle ⁇ oriented in the longitudinal axis L or opening along the longitudinal axis L of 56° in the exemplary embodiment.
  • the second webs 12 are also divided into two groups 14, 15 of perpendicular to the longitudinal center axis L alternating second webs.
  • the second webs 12 have the second web ends 16 facing the first mixing element 2, which are in turn divided into a part of second web elements 17 distributed over the outer circumference and a part of inner second web ends 18.
  • each of the first web ends 10 arranged distributed over the outer circumference is connected via a respective web-shaped connecting section 4 to an axially opposite (nearest) second web end of second web ends 17 arranged distributed over the outer circumference.
  • the connecting sections 4 are designed like webs and run at an angle to the longitudinal extent of the respectively assigned first web 6 and the respectively assigned second web 12.
  • the inner first and second web ends 11, 18 are also connected to one another via connecting sections, with the connecting sections for connecting the inner web ends 11 , 18 how out 3 results, extend along a perpendicular to the longitudinal axis L extending transverse axis Q.
  • an axial flow direction (flow direction) extending along the longitudinal axis L of at least one fluid to be mixed by means of a finished static mixer which comprises a mixer insert 1 according to the invention is shown or drawn in with the arrow F.
  • the first webs in the area of their first web ends 10 distributed over the outer circumference have or form raised fluid conductor elevations 19 in the radial direction, which taper against the fluid flow direction F and thus deflect the oncoming fluid laterally, which means that a direct impact of the at least prevent fluid from flowing onto or against a peripheral wall surrounding the mixer insert 1 in a finished static mixer.
  • Such fluid guide elevations 19 are also found again at web ends 20 of the second webs 12 facing away from the first mixing element 2 or that part of these web ends 20 which end on the outer circumference.
  • mixer insert 1 shown can also be manufactured without the fluid conductor elevations 19 .
  • the mixer insert 1 shown in the figures and designed according to the concept of the invention is built up in layers in the axial direction, in particular by laser sintering, starting in the plane of the drawing at the bottom, so that the mixer insert 1 during manufacture is layered along the longitudinal axis L, here in the plane of the drawing from below grows upwards.
  • the first web ends 9 are each connected to a connecting section 4, which then merges into a next, assigned second web end 16. It is essential that at least all of the first web ends 10 distributed over the outer circumference are each connected via a connecting section 4 to an assigned, in particular spatially next to the outer circumference arranged distributed over the second web end 17 are connected or monolithic. As explained, all free, first and second web ends 9, 16 are connected to one another here, i.e. also the inner first web ends 11 and the inner second web ends 18.

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

Claims (11)

  1. Insert de mélangeur (1) en une seule pièce pour un mélangeur statique, l'insert de mélangeur (1) comprenant un premier élément de mélange (2) ayant une pluralité de premières âmes (6) qui se croisent et l'insert de mélangeur (1) comprenant au moins un deuxième élément de mélange (3) adjacent au premier élément de mélange (2) le long d'un axe longitudinal (L) et tourné d'un angle de torsion, notamment de 90°, autour de l'axe longitudinal (L) par rapport au premier élément de mélange (2) et ayant plusieurs deuxièmes âmes (12) qui se croisent, les premières âmes (6) ayant des premières extrémités d'âme (9) tournées vers le deuxième élément de mélange (3) et les deuxièmes âmes (12) ayant des premières extrémités d'âmes (9) tournées vers le premier élément de mélange (2) et une part des premières et des deuxièmes extrémités d'âme (10, 17) étant répartie sur la circonférence extérieure de l'insert de mélangeur (1),
    caractérisé en ce que
    chacune des premières extrémités d'âme (10) réparties sur la circonférence extérieure de l'insert de mélangeur (1) est reliée à une des deuxièmes extrémités d'âme (17) réparties sur la circonférence extérieure de l'insert de mélangeur (1) par liaison par matière par une partie de liaison (4), notamment une âme de liaison.
  2. Insert de mélangeur (1) selon la revendication 1,
    caractérisé en ce que
    l'insert de mélangeur (1) est fabriqué comme composant monolithique, notamment en métal ou céramique, dans un procédé d'impression 3D ou dans un procédé génératif, notamment dans un procédé de lit de poudre, de préférence dans un procédé de frittage par laser, ou dans un procédé d'impression 3D.
  3. Insert de mélangeur selon la revendication 1 ou la revendication 2,
    caractérisé en ce que
    les premières et les deuxièmes extrémités d'âme (11, 18) qui ne sont pas réparties sur la circonférence extérieure sont reliées les unes aux autres par liaison par matière, notamment conjointement avec une part des premières et des deuxièmes extrémités d'âme (10, 17) réparties sur la circonférence extérieure, par une partie de liaison qui s'étend perpendiculairement à l'axe longitudinal (L), de préférence d'un côté de circonférence extérieure à un côté de circonférence extérieure diamétralement opposé de l'insert de mélangeur (1).
  4. Insert de mélangeur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les premières âmes (6) se croisent exclusivement dans un premier plan de croisement (5) qui s'étend perpendiculairement à l'axe longitudinal (L) et les deuxièmes âmes (12) se croisent exclusivement dans un deuxième plan de croisement (13) qui s'étend perpendiculairement à l'axe longitudinal (L) et qui est parallèle au premier plan de croisement (5).
  5. Insert de mélangeur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les premières âmes (6) qui se croisent et/ou les deuxièmes âmes (12) qui se croisent (12) forment un angle (α) entre 89° et 1°, de préférence entre 80° et 10°, plus préférentiellement entre 70° et 20°, de préférence particulière entre 60° et 30°, plus préférentiellement entre 59° et 53°, plus préférentiellement de 56°, qui s'ouvre le long de l'axe longitudinal (L).
  6. Insert de mélangeur selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'aucune des premières et des deuxièmes âmes (6, 12) ne s'étend d'un côté de circonférence extérieure de l'élément de mélange (2, 3) correspondant à un côté de circonférence extérieure diamétralement opposé de l'élément de mélange (2, 3).
  7. Insert de mélangeur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'extension longitudinale de l'insert de mélangeur (1) est un multiple pair du diamètre extérieur de contour d'enveloppe de l'insert de mélangeur (1).
  8. Insert de mélangeur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    toutes les premières extrémités d'âme (9) des premières âmes (6) du premier élément de mélange (2) tournées vers le deuxième élément de mélange (3) sont reliées au deuxième élément de mélange (3) par liaison par matière.
  9. Insert de mélangeur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    des saillies de guidage de fluide pour déplacer du fluide qui s'étendent le long de l'axe longitudinal (L) et qui se rétrécissent perpendiculairement à l'axe longitudinal (L), de préférence en forme de flèche, sont formées sur au moins une part des premières et/ou des deuxièmes extrémités d'âme (9, 16) et/ou au moins sur une part des extrémités d'âme (20) des deuxièmes âmes (12) qui sont détournées du premier élément de mélange.
  10. Mélangeur statique comprenant un insert de mélangeur (1) selon l'une quelconque des revendications précédentes qui est disposé dans un boitier qui a une entrée et une sortie espacée axialement de l'entrée.
  11. Procédé de fabrication d'un insert de mélangeur (1) selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    l'insert de mélangeur (1) est formé de manière monolithique, par couches qui sont adjacentes l'une à l'autre le long de l'axe longitudinal (L) et qui s'étendent perpendiculairement à l'axe longitudinal (L), dans un procédé d'impression 3D ou dans un procédé génératif, notamment dans un procédé de lit de poudre, de préférence dans un procédé de frittage par laser, dans lequel le premier élément de mélange (2) comprenant ses premières extrémités d'âme (10) réparties sur la circonférence extérieure de l'insert de mélangeur (1) est tout d'abord formé et puis une partie de liaison (4), notamment une âme de liaison, est reliée par couches à chacune des premières extrémités d'âme (10) du premier élément de mélange (2) réparties sur la circonférence extérieure et en ce que une deuxième âme (17) du deuxième élément de mélange (3) est reliée par couches à chaque partie de liaison (4).
EP17205519.6A 2017-12-05 2017-12-05 Garniture statique de mélange pour mélangeur statique, mélangeur statique ainsi que procédé de fabrication Active EP3495036B1 (fr)

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EP17205519.6A EP3495036B1 (fr) 2017-12-05 2017-12-05 Garniture statique de mélange pour mélangeur statique, mélangeur statique ainsi que procédé de fabrication

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EP3495036A1 EP3495036A1 (fr) 2019-06-12
EP3495036B1 true EP3495036B1 (fr) 2022-05-18

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3789107A1 (fr) * 2019-09-04 2021-03-10 Stamixco-GPX-H GmbH Insert mélangeur, mélangeur statique ainsi que procédé de fabrication
US11813580B2 (en) * 2020-09-02 2023-11-14 Nov Canada Ulc Static mixer suitable for additive manufacturing
DE202020105691U1 (de) 2020-10-05 2020-11-09 Scheugenpflug Gmbh Einstückiger statischer Mischer
CN114012106A (zh) * 2021-10-21 2022-02-08 宁波中乌新材料产业技术研究院有限公司 一种静态混合器的激光增材制造成型方法

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CH642564A5 (de) 1979-10-26 1984-04-30 Sulzer Ag Statische mischvorrichtung.
WO2007110316A1 (fr) 2006-03-24 2007-10-04 Stamixco Technology Ag Melangeur statique et son procede de fabrication
CH706732B1 (de) * 2012-07-11 2016-02-15 Promix Solutions Ag Mischereinsatz für einen statischen Mischer.
EP3034159B1 (fr) * 2014-12-18 2020-11-04 The Procter and Gamble Company Mélangeur statique et procédé pour mélanger des fluides
DE102015121351A1 (de) * 2015-12-08 2017-06-08 Stamixco Ag Mischereinsatz, statischer Mischer sowie Herstellverfahren

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