EP1510247A1 - Statischer Mister mit polymorpher Struktur - Google Patents
Statischer Mister mit polymorpher Struktur Download PDFInfo
- Publication number
- EP1510247A1 EP1510247A1 EP04405482A EP04405482A EP1510247A1 EP 1510247 A1 EP1510247 A1 EP 1510247A1 EP 04405482 A EP04405482 A EP 04405482A EP 04405482 A EP04405482 A EP 04405482A EP 1510247 A1 EP1510247 A1 EP 1510247A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- internals
- mixing
- elements
- mixer
- 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
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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
- B01F25/42—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
- B01F25/4312—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor having different kinds of baffles, e.g. plates alternating with screens
-
- 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 static mixer with polymorphic structure, in the mixed-effect internals of a first section structured differently are as those of a second, downstream portion and the for mixing or homogenizing fluid media.
- the purpose of the static mixer is to use a fluid medium to homogenize as little energy as possible and for the product to obtain an optimal mixing quality. You can reach below that An optimal mixing quality to understand the following:
- a sufficient homogeneity of the application Medium are produced.
- concentrations should be detectable at all points.
- the object of the invention is to provide a static mixer for a distributive To create a blending, with respect to the prior art one Progress on the desired mixing quality and the effort to Achievement of this mixing quality represents. This task is done by the im Claim 1 defined static mixer solved.
- static mixer with polymorphic structure for mixing or Homogenizing a fluid medium is usable, are at least two Sections in a pipe in the longitudinal direction behind each other arranged.
- Mixed-effect internals of the first section distribute this mixing medium largely globally across the entire cross section of the Tube around.
- Effect mixing-active internals of the second section largely local mixtures in partial areas, each one only Part of the pipe cross-section included.
- the internals of both sections have the same or approximately equal hydraulic diameter.
- the inventive mixer is a "polymorphic Uniskalenmischer".
- Uniskalenmischers are the hydraulic diameter equal to or approximately equal to the same, d h. the substructures are equal to "scaled”.
- the dependent claims 2 to 9 relate to advantageous embodiments of the inventive mixer.
- Fig. 1 shows mixing internals of a mixer, a polymorphic Structure, as that of said US-A-5605399, whose internals but are structured completely differently.
- the internals of this "two-tiered Multiscale mixer" consists of two sections I and II together.
- the internals 1 are in a not shown tube 5 (see Figures 2 and 5) used.
- the flow of the medium to be mixed, the at least two fluid components flows in the longitudinal direction of the tube 5 and is indicated by arrows M.
- the second section II the downstream arranged after the first section I, consists of four next to each other lying internals 2 ', each of which reduced by a factor of 0.5 form the chamber structure of the first section I have. Through the internals 2 ', the cross section of the tube 5 is divided into four partial surfaces 3.
- a mixer with polymorphic structure is very schematic shown.
- This mixer contains in the tube 5, for example, the Fittings 1 and 2 'of Fig. 1. It can also be used other installations which result in a mixer with polymorphic structure.
- uniscale internals can be used which Structures with equal or approximately equal hydraulic Have diameter.
- the medium to be mixed over the entire cross section of the tube 5 redistributed. It finds a sectionhomogentician following Art instead: At the end of the first section I is a subdivision of the Cross-section in sub-areas 3 possible. With respect to these faces 3 points the passing medium in each case proportions of its components on, which ideally are the same. In practice, this ideal case is not realizable.
- the length of the first section I can be dimensioned so that the stated proportions are in the maximum by one predetermined percentage - for example, 5, 10 or 20 percent.
- the internals 2 are structured in such a way that that with them further homogenizations in each longitudinal Subareas 30 after the mentioned sub-areas 3 are effected.
- Under a longitudinal portion 30 is a cylindrical or prismatic region of the internals 2 understood in longitudinal Direction, i. in the direction of the tube 5 over the length of the second section Il extends and its base is given by one of the faces 3.
- Fig. 3 shows schematically a mixer according to the invention (Uniskalenmischer), in which the mixing-active internals of the second Section II a plurality of longitudinally disposed elements. 2 include.
- the elements 2 are relatively short and cause due to their limited length only local mixtures in partial areas, respectively only a part of the pipe cross-section, i. one of the faces 3, included.
- There no dispersives but distributive mixing should be carried out have the internals of both sections I, II structures with the same or Approximately the same size of hydraulic diameter.
- Uniscale structuring is associated with a pressure drop that is less than in a multiscalar structuring.
- the elements 2 of the second Section II each have an anisotropic structure with layers extending to each other extend in the longitudinal direction; the layers of adjacent elements 2 are unequally oriented (across each other). Also in the inventive Mixer is a redistribution of the medium M largely to longitudinal Subregions 30 (see Fig. 2) limited. A cross exchange between the Subareas 30 is not prohibited.
- the "SMX structure” consists of two groups of parallel aligned ones There are webs that are so interlocked with each other that the webs cross. In the "SMV structure", the layers are wavy Walls formed.
- the flow channels cause in the first section I a Transporting the medium between points within the entire tube 5; the Flow channels effect in the second and each subsequent section II each a transport of the medium, largely to longitudinal Subareas 30 (see Fig. 2) is limited. This limitation is in the Section II in the longitudinal sections 30 before, as the length of the Mixer elements is shortened. But it can also result from by reducing the inclination angle of the flow channels.
- Fig. 5 shows an element 4 (or 4 '), which is half a part of the known Mixer element forms with "SMX structure".
- This element 4 is in a cylindrical tube 5 is inserted. If you look at element 4 from above, namely in the direction of arrow A, you can see webs 41 and 42 from the side and you can see how the webs 41, 42 intersect. Looking from the side-in Direction of the second arrow B - on the element 4, you can see on the wide surfaces of the webs 41, 42, which are now considered parallel strips appear. Turning the element 4 by 90 °, so that the arrow B on the Position of the arrow A comes to lie, the element 4 assumes a position, in which the reference numeral 4 'is assigned.
- Element 6 By joining the element 4 with the element 4 ', one obtains Element 6, which is shown in simplified form in Fig. 6. It is in this Fig. 6, the respective, the two halves corresponding positions of Arrows A and B indicated.
- the mixer elements 6 can be monolithic be trained; they can be produced in particular by means of precision casting Be castings.
- FIG. 7 shows a symbolic representation of the mixer element 6 of FIG. 6.
- the two halves are denoted by a and b; they correspond to the left or right side 4, 4 'of the element 6 in FIG. 6.
- the layers, which by the webs 41 and 42 are formed in the first half a compared to the layers in the second half b by an angle, preferably offset by 90 °, offset; and the flow channels extend in the elements 6 at most over half the cross section of the tube. 5
- a two-stage mixer can be combined set, ie with the single mixer structure of the mixer element. 6 a polymorphic mixer can be made. This is shown in FIG. 8:
- elements 6, 6 'in an alternating manner such arranged and oriented that the flow channels in the second half b a first element 6 same as the flow channels in the first half b of a subsequent element 6 'are aligned. So they each form two equal halves a and b, respectively, a pair of a complete SMX element equivalent.
- SMX elements a redistribution of the components to be mixed over the entire pipe cross-section (more global Mixing process).
- the elements 6 are all the same arranged so that alternately halves a and b follow one another. Because the Flow channels of the halves a and b in each case to half Tube cross-section are limited, find largely local mixing processes instead, which take place in longitudinal subregions. The number of these Subareas that are all the same size is four. It should be noted that in the first section I the first half a of the first element 6 not yet contributes a mixing of the medium over the entire pipe cross-section.
- the longitudinal sections 30 advantageously have cross-sectional areas, which are largely isodiametral: are of a circular cross-section the faces 3 in the second section II four equal sectors; in further sections are the sub-areas 3 sectors or quadrangular Circular cut-outs that expand approximately equally in the radial direction are like in the tangential direction, which is perpendicular to the radial.
- the pipe cross-section is rectangular, in particular square.
- the Cross sections of the longitudinal sections are also rectangular.
- sections I, II are each monomorphic. But it is possible that the sections themselves are also polymorphic are structured
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Description
- Fig. 1
- Einbauten eines Mischers mit polymorpher Struktur, der ein "zweistufiger Multiskalenmischer" ist,
- Fig. 2
- einen zweistufigen Multiskalenmischer in schematischer Darstellung,
- Fig. 3
- einen erfindungsgemässen Mischer in schematischer Darstellung,
- Fig. 4
- einen Mischer mit zwei gleichen, hinter einander angeordneten Bereichen,
- Fig. 5
- den halben Teil eines bekannten Mischerelements, das eine "SMX-Struktur" aufweist,
- Fig. 6
- ein schematisch dargestelltes Mischerelement, das aus zwei der in Fig. 5 gezeigten Elementen zusammengefügt ist,
- Fig. 7
- eine symbolische Darstellung des Mischerelements der Fig. 6 und
- Fig. 8
- einen erfindungsgemässen Mischer, der aus den Mischerelementen gemäss der Fig. 6 zusammengesetzt ist und der einen zweistufigen Uniskalenmischer bildet.
Claims (9)
- Statischer Mischer mit polymorpher Struktur zum Mischen oder Homogenisieren eines fluiden Mediums (M),
in welchem Mischer mindestens zwei Abschnitte (I, II) in einem Rohr (5) in longitudinaler Richtung hinter einander angeordnet sind, mischwirksame Einbauten (1) des ersten Abschnitts das zu mischende Medium weitgehend global über den gesamten Querschnitt des Rohrs umverteilen,
mischwirksame Einbauten des zweiten Abschnitts weitgehend lokale Vermischungen in Partialbereichen bewirken, die jeweils nur einen Teil des Rohrquerschnitts enthalten,
und die Einbauten beider Abschnitte den gleichen oder angenähert gleich grossen hydraulischen Durchmesser haben. - Statischer Mischer nach Anspruch 1, dadurch gekennzeichnet, dass die mischwirksamen Einbauten des zweiten Abschnitts eine Mehrzahl von longitudinal angeordneten Elementen (2) umfassen, die aufgrund einer beschränkten Länge die lokalen Vermischungen in Partialbereichen bewirken, die Elemente des zweiten Abschnitts jeweils einen anisotropen Aufbau aus Lagen aufweisen, die sich in longitudinaler Richtung erstrecken, und die Lagen benachbarter Elemente ungleich orientiert sind.
- Statischer Mischer nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mindestens die Elemente des zweiten Abschnitts jeweils monolithisch ausgebildet sind, insbesondere mittels Präzisionsguss hergestellte Gussstücke sind.
- Statischer Mischer nach Anspruch 3, dadurch gekennzeichnet, dass zwei oder mehr benachbarte Elemente einen monolithischen Block bilden.
- Statischer Mischer nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Medium (M) mindestens zwei Komponenten umfasst, die auch das im wesentlichen gleiche Medium mit verschiedenen Eigenschaften - wie beispielsweise Temperatur oder Konzentration - sein können, dass die Einbauten im zu mischenden Medium eine Teilhomogenisierung solcher Art herbeiführen, dass am Ende des ersten Abschnitts eine Unterteilung des Querschnitts in mindestens zwei Teilflächen (3) möglich ist, bezüglich denen das durchtretende Medium jeweils Mengenverhältnisse seiner Komponenten aufweist, die gleich sind oder die sich im Maximum um einen vorgegebenen Prozentsatz unterscheiden, und dass im zweiten Abschnitt die Einbauten so strukturiert sind, dass mit ihnen weiter führende Homogenisierungen jeweils in longitudinalen Teilbereichen (30) im Anschluss an die genannten Teilflächen bewirkbar sind.
- Statischer Mischer nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Einbauten des ersten Abschnitts ähnlich strukturiert sind wie jene des zweiten Abschnitts, dass beide Abschnitte Lagen mit geneigten Strömungskanälen enthalten, dass jeweils die Strömungskanäle benachbarter Lagen sich kreuzen, dass die Strömungskanäle im ersten Abschnitt einen Transport des Mediums zwischen Punkten innerhalb des ganzen Rohrs bewirken und dass die Strömungskanäle im zweiten Abschnitt einen Transport des Mediums bewirken, der weitgehend auf die genannten Partialbereiche beschränkt ist.
- Statischer Mischer nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass stromabwärts nach einem Bereich mit einem ersten und einem zweiten Abschnitt (I, II) ein weiterer Bereich folgt, der ebenfalls einen ersten und einen zweiten Abschnitt (I', II') gemäss Anspruch 1 aufweist, und dass weiter stromabwärts auf analoge Weise mindestens ein weiteres solches Paar von einem ersten und einem zweiten Abschnitt folgen kann, oder dass schliesslich noch ein Bereich mit lediglich einem ersten Abschnitt folgen kann.
- Statischer Mischer nach Anspruch 6 oder den Ansprüchen 6 und 7, dadurch gekennzeichnet, dass die Einbauten (1, 2) aus einer Vielzahl von longitudinal angeordneten Mischerelementen (6) zusammengesetzt sind, dass in jedem Mischerelement die Lagen in einer ersten Hälfte (a) gegenüber den Lagen in einer zweiten Hälfte (b) um einen Winkel, vorzugsweise um 90°, versetzt orientiert sind, dass die Strömungskanäle in den Elementen sich über einen Teil des Rohrquerschnitts, insbesondere höchstens über den halben Rohrquerschnitt erstrecken, dass im zweiten Abschnitt die Elemente alle gleich angeordnet sind und im ersten Abschnitt die Elemente in alternierender Weise angeordnet und orientiert sind, derart, dass die Strömungskanäle in der zweiten Hälfte eines ersten Elements gleich wie die Strömungskanäle in der ersten Hälfte eines nachfolgenden Elements ausgerichtet sind, wobei die erste Hälfte des ersten Elements noch nicht zu einem Mischen des Mediums über den ganzen Rohrquerschnitt beiträgt.
- Statischer Mischer nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Abschnitte (I, II) selbst auch polymorph strukturiert sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04405482A EP1510247B1 (de) | 2003-08-26 | 2004-07-28 | Statischer Mischer mit polymorpher Struktur |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405617 | 2003-08-26 | ||
EP03405617 | 2003-08-26 | ||
EP04405482A EP1510247B1 (de) | 2003-08-26 | 2004-07-28 | Statischer Mischer mit polymorpher Struktur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1510247A1 true EP1510247A1 (de) | 2005-03-02 |
EP1510247B1 EP1510247B1 (de) | 2008-04-30 |
Family
ID=34203268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04405482A Expired - Lifetime EP1510247B1 (de) | 2003-08-26 | 2004-07-28 | Statischer Mischer mit polymorpher Struktur |
Country Status (3)
Country | Link |
---|---|
US (1) | US7438464B2 (de) |
EP (1) | EP1510247B1 (de) |
DE (1) | DE502004006983D1 (de) |
Cited By (1)
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CN103127853A (zh) * | 2011-11-29 | 2013-06-05 | 苏舍米克斯帕克有限公司 | 用于静态混合器的混合元件 |
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DE50308164D1 (de) * | 2002-12-06 | 2007-10-25 | Mixpac Systems Ag | Statischer Mischer und Verfahren |
DE502004006983D1 (de) * | 2003-08-26 | 2008-06-12 | Sulzer Chemtech Ag | Statischer Mischer mit polymorpher Struktur |
JP4713397B2 (ja) * | 2006-01-18 | 2011-06-29 | 株式会社リコー | 微小流路構造体及び微小液滴生成システム |
EP1837070A1 (de) * | 2006-03-24 | 2007-09-26 | StaMixCo Technology AG | Statischer Mischer und Verfahren zur Herstellung desselben |
SG161141A1 (en) * | 2008-10-17 | 2010-05-27 | Sulzer Mixpac Ag | Static mixer |
US8696193B2 (en) * | 2009-03-06 | 2014-04-15 | Ehrfeld Mikrotechnik Bts Gmbh | Coaxial compact static mixer and use thereof |
US8215940B2 (en) * | 2009-03-20 | 2012-07-10 | The United States Of America As Represented By The Secretary Of The Army | Layer multiplying apparatus |
US7985020B2 (en) * | 2009-09-25 | 2011-07-26 | Nordson Corporation | Cross flow inversion baffle for static mixer |
WO2011119820A1 (en) * | 2010-03-25 | 2011-09-29 | Nordson Corporation | Inline static mixer |
DE102010019771A1 (de) * | 2010-05-07 | 2011-11-10 | Dürr Systems GmbH | Zerstäuber mit einem Gittermischer |
US20110310697A1 (en) * | 2010-06-22 | 2011-12-22 | Sebastian Hirschberg | Dust mixing device |
US8501131B2 (en) | 2011-12-15 | 2013-08-06 | General Electric Company | Method and apparatus to inject reagent in SNCR/SCR emission system for boiler |
EP2711163A1 (de) * | 2012-09-21 | 2014-03-26 | Hirschberg Engineering | Dreidimensionale Formkörper |
US10233482B2 (en) * | 2014-09-10 | 2019-03-19 | The United States Of America, As Represented By The Secretary Of Agriculture | Micro-fluidic mixer and method of determining pathogen inactivation via antimicrobial solutions |
US9724653B2 (en) * | 2015-02-12 | 2017-08-08 | Nordson Corporation | Double wedge mixing baffle and associated static mixer and methods of mixing |
CN113477115B (zh) | 2015-11-13 | 2023-12-05 | 雷米克瑟斯公司 | 静态混合器 |
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US10722853B2 (en) * | 2017-08-04 | 2020-07-28 | Nordson Corporation | Static mixer without mixing baffle sidewalls and associated mixing conduit |
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EP4445980A1 (de) | 2023-04-11 | 2024-10-16 | Sulzer Management AG | Entgasungsvorrichtung mit einem perforierten dachelement |
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EP4445979A1 (de) | 2023-04-11 | 2024-10-16 | Sulzer Management AG | Mehrstufige entgasungsvorrichtung mit mindestens einem statischen mischer |
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2004
- 2004-07-28 DE DE502004006983T patent/DE502004006983D1/de not_active Expired - Lifetime
- 2004-07-28 EP EP04405482A patent/EP1510247B1/de not_active Expired - Lifetime
- 2004-07-30 US US10/903,273 patent/US7438464B2/en not_active Expired - Fee Related
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EP0472491A1 (de) * | 1990-08-23 | 1992-02-26 | Sulzer Chemtech AG | Statische Laminar-Mischeinrichtung, Zumischvorrichtung, sowie Verwendung von Mischeinrichtung und Zumischvorrichtung |
US5564827A (en) * | 1993-10-05 | 1996-10-15 | Sulzer Chemtech Ag | Device for the homogenization of high-viscosity fluids |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103127853A (zh) * | 2011-11-29 | 2013-06-05 | 苏舍米克斯帕克有限公司 | 用于静态混合器的混合元件 |
CN103127853B (zh) * | 2011-11-29 | 2017-08-22 | 苏舍米克斯帕克有限公司 | 用于静态混合器的混合元件 |
Also Published As
Publication number | Publication date |
---|---|
DE502004006983D1 (de) | 2008-06-12 |
US7438464B2 (en) | 2008-10-21 |
US20050047274A1 (en) | 2005-03-03 |
EP1510247B1 (de) | 2008-04-30 |
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