EP0749776B1 - Mélangeur avec corps en forme de tube - Google Patents

Mélangeur avec corps en forme de tube Download PDF

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Publication number
EP0749776B1
EP0749776B1 EP95810418A EP95810418A EP0749776B1 EP 0749776 B1 EP0749776 B1 EP 0749776B1 EP 95810418 A EP95810418 A EP 95810418A EP 95810418 A EP95810418 A EP 95810418A EP 0749776 B1 EP0749776 B1 EP 0749776B1
Authority
EP
European Patent Office
Prior art keywords
mixer
accordance
mixing
elements
separating
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.)
Expired - Lifetime
Application number
EP95810418A
Other languages
German (de)
English (en)
Other versions
EP0749776A1 (fr
Inventor
Felix Streiff
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.)
Sulzer Chemtech AG
Original Assignee
Sulzer Chemtech AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8221764&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0749776(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sulzer Chemtech AG filed Critical Sulzer Chemtech AG
Priority to AT95810418T priority Critical patent/ATE198839T1/de
Priority to EP95810418A priority patent/EP0749776B1/fr
Priority to DE59508992T priority patent/DE59508992D1/de
Priority to ES95810418T priority patent/ES2155509T3/es
Priority to DE29522199U priority patent/DE29522199U1/de
Priority to TW085105453A priority patent/TW315314B/zh
Priority to CA002178065A priority patent/CA2178065C/fr
Priority to US08/660,434 priority patent/US5944419A/en
Priority to KR1019960020691A priority patent/KR100420822B1/ko
Priority to CN96111003A priority patent/CN1052171C/zh
Priority to BR9602858A priority patent/BR9602858A/pt
Priority to JP15997396A priority patent/JP4283901B2/ja
Publication of EP0749776A1 publication Critical patent/EP0749776A1/fr
Publication of EP0749776B1 publication Critical patent/EP0749776B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B01F25/4321—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 the subflows consisting of at least two flat layers which are recombined, e.g. using means having restriction or expansion zones

Definitions

  • the invention relates to a mixer in a tube is arranged and the at least one mixing element or comprises a mixing body. It also refers to Uses of such a mixer.
  • a mixer is known from US Pat. No. 3,051,453 from a linear arrangement of mixing elements composed, hereinafter referred to as "Multiflux mixing body" be designated.
  • This multiflux mixing body whose cross section is square two channels that extend in the direction of flow up to Continuously narrow the center of the mixing body and behind the narrowest point in a plane rotated by 90 ° continuously expand.
  • One by the mixing body flowing medium undergoes a transformation through which the number of sub-layers doubled.
  • the well-known Multiflux and ISG mixing bodies need to their manufacture relatively much material, its volume namely occupies at least 25 to 30% of the pipe volume.
  • the lengths of the mixing body are in the direction of flow relatively long, namely about the same size as the Pipe diameter.
  • the empty volume is greater than 80 to 90%; and thus the material requirement is essential less. Thanks to its special shape, it can Mixing element of the mixer according to the invention essential shorter, namely at least half as long - at comparable effect as with the known mixing bodies - be made.
  • a mixer with a plurality Such mixing elements is defined in claim 2.
  • the mixer according to the invention has mixing elements a particularly simple form. Thanks to this shape can be a monolithic mixing body that is a series of several mixing elements connected in series includes, well by plastic injection molding or Manufacture investment casting (steel), especially with the simplest embodiment (two-hole variant) two-part tools can be used.
  • the Mixing bodies according to the invention can also be used for example, easily produce from sheet metal.
  • the mixer according to the invention is cheaper than the known static mixers: two flowable Media of similar viscosity can be spread over a distance (L) of less than ten pipe diameters (D) homogeneous be mixed.
  • tubes with any cross-section can be provided; are preferred however square or circular cross sections.
  • the mixing elements 1 and 1 'arranged in a tube 10 1 each consist of two dividers 2 and 2 ' and two partial deflection disks 3 and 3 ', which in one with dash-dotted lines indicated plane 3a and 3a '. lie. (Form the partial deflection disks 3 of level 3a together a deflection plate 30, cf. 7a).
  • the level 3a is perpendicular to the tube axis 5 and parallel to planes 2a and 2b, the upper edge 20 and the lower edge, respectively Touch 21 of the dividers 2.
  • the three levels 2a, 3a and 2b delimit two sections 1a and 1b of the mixing element 1. Each section is a subdivision of the section Separator 2 assigned.
  • the dividers 2 of the two Sections 1a and 1b intersect under a right Angle.
  • the pipe cross section is through the dividers 2 in divided into four sub-areas of equal size, whereby two of these partial areas through the partial deflection disks 3 are covered.
  • the open areas are as Constrictions and through holes 4 for that too mixing medium provided.
  • the two successive mixing elements 1 and 1 ' are structured essentially the same. But that Mixing element 1 represents the mixing element 1 ' is a mirror image.
  • the neighboring dividers 2 and 2 ' cross each other; the open partial areas 4 and 4 ' are staggered.
  • the partial deflection disks 3 can also have an angle a the cross-sectional plane 3a - see Fig. 2. This angle ⁇ advantageously does not exceed 30 ° chosen.
  • Figures 3 and 4 show others Embodiments with inclined surfaces. If axis 5 understood as vertical, the arrow 6 in the Figures 2 to 4 each the fall line Partial deflection disk 3. In FIG. 2, this arrow is 6 parallel to the upper separator 2. At the The embodiment of Figure 3, the arrow 6 is tangential to a circular cylinder concentric to axis 5. At the embodiment of Figure 4, the arrow 6 is radial directed outwards.
  • Figures 5a and 5b show mixing elements 1 and 1 ', at which each have two dividers 2 a section 1a or 1b (not shown in these figures). There is exactly one on both sides of each separating web 2 open partial area 4 arranged.
  • the mixing element 1 ' with the open partial areas 4 'immediately adjacent element of the mixing element 1.
  • the open Partial areas 4 and 4 ' are offset from one another arranged.
  • FIG. 5 Forms of the two mixing elements 1 and 1 'identical and not a mirror image like the two-hole version (Fig.1).
  • each one Series of such half-elements can include simple Be produced with two-part tools.
  • the entire mixing body is obtained by assembling two monolithic partial bodies.
  • Figure 6 is also with arrows 8, 8 'and 8 " Flow course of the medium to be mixed indicated.
  • the arrow 8 ' is perpendicular to the image surface and is after directed in front; the arrow 8 "- also vertical - is directed backwards.
  • the reference number 9 indicates a Where the arrows create two Partial flows is indicated.
  • the partial deflection disks 3 are advantageously in one common level. If there are at least two Separators 2 per section (three-hole variant) can several partial deflection disks 3 a common disk or form a single disc 30 (four-hole variant): see Figures 5a and 5b and the corresponding Figures 7a and 7b for the four-hole variant.
  • FIGS. 7a and 7b only the only one and common deflection plate 30 and 30 'shown.
  • the Dash-dotted lines 23 represent the lower edges the upper dividers.
  • the shapes of the four-hole version Adjacent mixing elements mirror each other.
  • the mixer according to the invention can instead of one circular cross section also having a cross section another shape, for example a square.
  • the angles between the crossing dividers 2, 2 ' can also deviate from 90 °.
  • Sections 1a and 1b can be of different lengths.
  • the length of the sections la and 1b is advantageously in the range between D / 8 and D; it is preferably D / 4.
  • FIG. 8 illustrates what deviations from the simple forms described above, for example are conceivable: between the spaced mixing elements 1, 1 'connecting elements 35 are arranged.
  • the Separators 2 have additional elements 25 Reinforcement or flow control.
  • Separators 2 'and 2 "adjacent mixing elements 1 'and 1" are on the Position 29 inserted into each other.
  • Individual dividers 2 and Partial deflection disks 3 are not flat.
  • the mixing elements 1 and 1 ' have different numbers of dividers 2 and 2' per Section 1a or 1b, namely two or one.
  • On Divider 2 has a recess 29.
  • the Fig.8 is only as an illustration of individual features understand; the special combination of all listed Features in the same mixer do not need special to be beneficial.
  • the tube 10 can also not be conical shown) so that it tapers in the direction of flow; in this case the mixing bodies 1, 1 'have to be changed Cross-section correspondingly of different sizes his.
  • x 0.5 means that the proportions of the two components to be mixed are the same size.
  • the reference numerals 1 * to 5 * refer to the mixer types listed in the table above.
  • the mixer according to the invention which consists of little Having material made monolithic is an advantage from an inexpensive, combustible plastic Injection molding. This mixer is suitable especially good at being used as a disposable item become.
  • the mixer according to the invention can also be used for mixing turbulent flowing media can be used.
  • the open partial areas 4, 4 are as Designated recesses.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Food-Manufacturing Devices (AREA)
  • Filling, Topping-Up Batteries (AREA)

Claims (17)

  1. Mélangeur statique avec plusieurs éléments de mélange (1, 1') disposés les uns derrière les autres dans un tube (10), qui présentent des disques de renvoi (30, 30') disposés transversalement à la direction d'écoulement chacun avec au moins deux évidements (4, 4') ainsi que des disques de renvoi partiels (3, 3') où est prévu sur le côté d'afflux et d'écoulement de chaque disque de renvoi au moins une nervure de séparation (2, 2') allant de paroi de tube en paroi de tube, où la nervure de séparation du côté d'afflux se croise avec la nervure de séparation du côté d'écoulement, où chaque nervure de séparation sur chaque côté avoisine d'une manière précise un évidement et - en regardant dans la direction d'écoulement - chaque disque de renvoi couvre les évidements du disque de renvoi suivant.
  2. Mélangeur selon la revendication 1, caractérisé en ce que la section transversale du tube est subdivisée par des nervures de séparation (2, 2') en des faces partielles au moins approximativement de la même grandeur.
  3. Mélangeur selon la revendication 1 ou 2, caractérisé en ce que les nervures de séparation (2) côté afflux et écoulement se croisent sous un angle de 90°.
  4. Mélangeur selon l'une des revendications 1 à 3, caractérisé en ce que les hauteurs des nervures de séparation (2) sont au moins approximativement de la même grandeur.
  5. Mélangeur selon l'une des revendications 1 à 4, caractérisé en ce que la longueur d'un élément de mélange (1) est plus petite que le diamètre de tube le plus grand, de préférence elle est plus petite que la moitié du diamètre de tube le plus grand.
  6. Mélangeur selon l'une des revendications 1 à 5, caractérisé en ce que les disques de renvoi partiels (3) sont inclinés vers le plan de section transversale (3a) et en ce que l'angle (α) entre le disque de renvoi partiel et le plan de section transversale est plus petit que 30°.
  7. Mélangeur selon l'une des revendications 1 à 6, caractérisé en ce que plusieurs éléments de mélange successifs (1, 1') sont présents sous la forme d'une structure monolithe, réalisée notamment par moulage par injection.
  8. Mélangeur selon l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu un écart entre au moins deux éléments de mélange avoisinants (1, 1').
  9. Mélangeur selon la revendication 8, caractérisé en ce que des éléments de liaison (35) sont disposés entre des éléments de mélange espacés (1, 1').
  10. Mélangeur selon l'une des revendications 1 à 9, caractérisé en ce que le tube (10) a une section transversale parallélépipède ou circulaire.
  11. Mélangeur selon l'une des revendications 1 à 10, caractérisé en ce qu'au moins certaines nervures de séparation (2, 2') et/ou disques de renvoi partiels (3, 3') présentent des éléments additionnels (25) pour le renforcement ou le guidage de l'écoulement.
  12. Mélangeur selon l'une des revendications 1 à 11, caractérisé en ce que des nervures de séparation (2, 2') d'éléments de mélange avoisinants (1, 1') sont emboítées les unes dans les autres (29).
  13. Mélangeur selon l'une des revendications 1 à 12, caractérisé en ce qu'au moins certaines nervures de séparation (2, 2') et/ou disques de renvoi partiels (3, 3') ne sont pas plans.
  14. Mélangeur selon l'une des revendications 1 à 13, caractérisé en ce qu'au moins certaines nervures de séparation (2, 2') et/ou disques de renvoi partiels (3, 3') présentent des évidements additionnels (26).
  15. Mélangeur selon l'une des revendications 1 à 16, caractérisé en ce que le tube (10) est réalisé d'une manière conique, en rétrécissant dans la direction d'écoulement et que les éléments de mélange (1, 1') sont réalisés en des grandeurs différentes en fonction de la section transversale qui se modifie.
  16. Utilisation d'un mélangeur selon l'une des revendications 1 à 15 pour mélanger des matériaux visqueux, notamment des matières synthétiques, des résines ou des colles, où le nombre de Reynolds pour chacun des produits s'écoulant à travers le mélangeur est inférieur à 1.
  17. Utilisation d'un mélangeur selon l'une des revendications 1 à 15, comme article à usage unique, où le mélangeur est réalisé en une matière synthétique combustible d'un coût avantageux par moulage par injection.
EP95810418A 1995-06-21 1995-06-21 Mélangeur avec corps en forme de tube Expired - Lifetime EP0749776B1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
AT95810418T ATE198839T1 (de) 1995-06-21 1995-06-21 In einem rohr angeordneter mischer
EP95810418A EP0749776B1 (fr) 1995-06-21 1995-06-21 Mélangeur avec corps en forme de tube
DE59508992T DE59508992D1 (de) 1995-06-21 1995-06-21 In einem Rohr angeordneter Mischer
ES95810418T ES2155509T3 (es) 1995-06-21 1995-06-21 Mezclador con cuerpo en forma de tubo.
DE29522199U DE29522199U1 (de) 1995-06-21 1995-06-21 In einem Rohr angeordneter Mischer
TW085105453A TW315314B (fr) 1995-06-21 1996-05-08
CA002178065A CA2178065C (fr) 1995-06-21 1996-06-03 Malaxeur sous tube
US08/660,434 US5944419A (en) 1995-06-21 1996-06-07 Mixing device
KR1019960020691A KR100420822B1 (ko) 1995-06-21 1996-06-11 튜브내에 배설된 믹서
CN96111003A CN1052171C (zh) 1995-06-21 1996-06-19 一种装配在管内的混合器
BR9602858A BR9602858A (pt) 1995-06-21 1996-06-20 Misturador colocado num tubo e utilização
JP15997396A JP4283901B2 (ja) 1995-06-21 1996-06-20 管内に配置されたミキサー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95810418A EP0749776B1 (fr) 1995-06-21 1995-06-21 Mélangeur avec corps en forme de tube

Publications (2)

Publication Number Publication Date
EP0749776A1 EP0749776A1 (fr) 1996-12-27
EP0749776B1 true EP0749776B1 (fr) 2001-01-24

Family

ID=8221764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810418A Expired - Lifetime EP0749776B1 (fr) 1995-06-21 1995-06-21 Mélangeur avec corps en forme de tube

Country Status (11)

Country Link
US (1) US5944419A (fr)
EP (1) EP0749776B1 (fr)
JP (1) JP4283901B2 (fr)
KR (1) KR100420822B1 (fr)
CN (1) CN1052171C (fr)
AT (1) ATE198839T1 (fr)
BR (1) BR9602858A (fr)
CA (1) CA2178065C (fr)
DE (2) DE59508992D1 (fr)
ES (1) ES2155509T3 (fr)
TW (1) TW315314B (fr)

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CA2178065C (fr) 2000-05-30
CA2178065A1 (fr) 1996-12-22
CN1052171C (zh) 2000-05-10
KR970000319A (ko) 1997-01-21
JP4283901B2 (ja) 2009-06-24
ATE198839T1 (de) 2001-02-15
EP0749776A1 (fr) 1996-12-27
JPH09901A (ja) 1997-01-07
ES2155509T3 (es) 2001-05-16
BR9602858A (pt) 1998-04-22
KR100420822B1 (ko) 2004-05-22
DE29522199U1 (de) 2000-08-17
US5944419A (en) 1999-08-31
TW315314B (fr) 1997-09-11
DE59508992D1 (de) 2001-03-01
CN1148518A (zh) 1997-04-30

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