EP1426099A1 - Mélangeur statique - Google Patents

Mélangeur statique Download PDF

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Publication number
EP1426099A1
EP1426099A1 EP03405865A EP03405865A EP1426099A1 EP 1426099 A1 EP1426099 A1 EP 1426099A1 EP 03405865 A EP03405865 A EP 03405865A EP 03405865 A EP03405865 A EP 03405865A EP 1426099 A1 EP1426099 A1 EP 1426099A1
Authority
EP
European Patent Office
Prior art keywords
mixing
transverse edge
guide walls
mixer
transverse
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
EP03405865A
Other languages
German (de)
English (en)
Other versions
EP1426099B1 (fr
EP1426099B8 (fr
Inventor
Wilhelm A. Keller
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.)
Medmix Switzerland AG
Original Assignee
Mixpac Systems 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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Application filed by Mixpac Systems AG filed Critical Mixpac Systems AG
Publication of EP1426099A1 publication Critical patent/EP1426099A1/fr
Publication of EP1426099B1 publication Critical patent/EP1426099B1/fr
Application granted granted Critical
Publication of EP1426099B8 publication Critical patent/EP1426099B8/fr
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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
    • 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
    • B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
    • B01F25/43151—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material composed of consecutive sections of deformed flat pieces of material
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2305—Mixers of the two-component package type, i.e. where at least two components are separately stored, and are mixed in the moment of application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0427—Numerical distance values, e.g. separation, position

Definitions

  • the present invention relates to a static Mixer with a bundle of strands according to the generic term of Claim 1.
  • a static mixer is known for example from US-A-5 851 067.
  • This patent is again a further development of US-A-5 944 419.
  • These patents disclose a mixer which is described in chambered strands is divided, the former US patent four chambered strands by four mutually arranged passages arise and the mixer further Has rearrangement chambers.
  • With the second mixer are either two crossing bridges or two intersecting crossing pairs of webs revealed with passages that like this are arranged that each have a bottom section plate an opening comes to rest.
  • Such mixers achieve better mixing of the Materials based on their length and have one smaller pressure drop than conventional mixers with Mixing coils, but they have relatively large dead spaces, in which the material can harden and clog the mixer.
  • FIG. 1 shows a section from a first Embodiment of a mixer 1 according to the invention, the has a number of identical mixing elements 2, 2 'and 2 ", each rotated by 180 ° with respect to the longitudinal axis are arranged one on top of the other. At one end it is Mixer housing 3 indicated.
  • the single mixing element 2 has at one end, in Flow direction seen, i.e. in the drawing from below, a transverse edge 8 on a transverse baffle 8 'on perpendicular to it two end sections 6 and 7 with the complementary side openings 11 and 12 and a Bottom section 9 and complementary bottom section opening 10 connect, the latter between two guide walls 4 ', 5' are located, each opening into a separating edge 4, 5 and here are aligned parallel to the longitudinal central axis.
  • the End sections over half of the dividing edges.
  • the openings, or their cross section determine with the Lengths of the webs essentially the pressure drop from the beginning until the end of the mixer.
  • the mixing element 2 'following the mixing element 2 has same parts and structures, but is rotated 180 ° with respect to the longitudinal axis above the first Mixing element 2 arranged.
  • the following mixing elements are also identical to the mixing element 2 and each seen in the longitudinal direction rotated by 180 ° in a row arranged. The direction of flow is indicated by an arrow 13 indicated.
  • FIG. 2 shows the distribution of the two components G and H specified at the mixer input, with each component off a container of a double cartridge or one Discharge device comes, which have separate outlets, see Figure 13.
  • the mixer input drawn in according to the flow direction below.
  • each component spreads along the transverse baffle 8 ' and are divided into three strands by the guide walls 4 ', 5' divided, so that finally six strands AG, BG, CG as well AH, BH and CH arise, these strands each in the mixer a chamber DG, EG, FG; DH, EH, FH can be assigned.
  • the next step is to push them into the other Direction, i.e. Strands A3.1, B3.1 and C3.1 are turned inside and A3.2, B3.2 and C3.2 displaced outward, like this also emerges from Fig. 3. Again spread at Entry into the next element the components each both halves of the transverse edge, then displaced again to become and get to the next mixing element.
  • the arrangement and design of the mixing elements results a three-part process of the mixing process, in which the Mass first divided, then spread out and then displaced is then divided again in the next step, to be spread and displaced.
  • more than two dividing edges and baffles can be provided be, e.g. three dividing edges and baffles that more than result in six strands, the bottoms or openings are arranged alternately or offset.
  • a transverse edge present so that the strands are split into two become. The result is an analog picture for a Mixing element with more than one transverse edge and more than two Partitions.
  • the mixer 1 is in relation to Figure 1 - with the same direction of flow - drawn reversed by 180 °.
  • the individual parts of the Mixing element listed again.
  • the individual Mixing element 2 has at one end, in the direction of seen below, two separating edges 4 and 5, each in one Baffle 4 ', 5', here parallel to the longitudinal central axis are aligned and perpendicular to it, on both sides of the guide walls, two end sections 6 and 7 and have a bottom portion 9 which is between the Guide walls are located and over half of the guide walls extends.
  • Perpendicular to the closing sections in the A transverse guide wall 8 ' is arranged in the middle of the guide walls, a transverse edge 8 at the other end of the mixing element having.
  • the two end sections and the bottom section complementary include the bottom section opening 10 between the guide walls and the two side openings 11 and 12 on both sides of the guide walls.
  • the openings, or their Cross section, essentially determine the pressure drop from Start to end of the mixer.
  • the mixing element 2 'following the mixing element 2 has same parts and structures and is related the longitudinal axis turned 180 ° above the first mixing element 2 arranged.
  • the following mixing elements are also with respect to the longitudinal axis by 180 ° arranged one behind the other.
  • the direction of flow is with arrow 13 indicated.
  • FIG. 5 shows the distribution of the two components G and H specified at the mixer input, with each component off a container of a double cartridge or one Discharge device comes, which have separate outlets, see Figure 13.
  • the mixer input drawn in according to the flow direction below.
  • the next step is to push them into the other Direction, i.e. Strand B2.1 displaces strand B2.2, strand A2.2 displaces strand A2.1 and strand C2.2 displaces strand C2.1, as can also be seen in FIG. 3.
  • Strand B2.1 displaces strand B2.2
  • strand A2.2 displaces strand A2.1
  • strand C2.2 displaces strand C2.1
  • the arrangement and design of the mixing elements results here also a three-part sequence of the mixing process, in which the mass is first divided and then displaced and finally spreads out, then in the next step to be divided, repressed and spread out again.
  • the mixers described above do not result in only one good mixing of the materials, but above all a lower pressure drop and less dead space in the Comparison to other mixers mentioned at the beginning.
  • Mixing processes result in possible variations:
  • mixers were used rectangular or square cross-section described and the two impinging components have the same Cross-section.
  • this does not always have to be the case any cross-sectional or Volume flow ratio of the two components G and H can be selected, for example between 1: 1 to 1:10, during the dimensions of the mixing elements remain the same.
  • specially adapted mixing elements provided. This means that the transverse edge is not in the Center line of the mixing element must be arranged. The the same also applies to the distance between the separating edges and guide walls.
  • the dividing edges and guide walls can be combined in one Angles can be arranged to each other and the same can End sections and the bottom section as well as the The transverse edges each have an angle to one another, so that the openings do not have to be rectangular or square. Edges, for example the transverse edge, can also bend exhibit.
  • the mixing elements must be in relation to the longitudinal axis not rotated 180 ° to each other in a row be arranged, any angle from 0 ° - 360 ° possible.
  • Fig. 9 is a mixer 14 with a cylindrical housing as a special case of a mixer with mixing elements with shown curved walls, with the mixing elements 15, 15 'and 15' 'and the housing 16.
  • the mixing element 15 at one end, in Flow direction seen below, a transverse edge 21, of the two Guide walls 17 ', 18' extend into a separating edge 17, 18 mouth.
  • the guide walls each contain one End section 19 and 20 with the side openings 24, 25, a bottom section 22 and a complementary bottom opening 23rd
  • this second embodiment is the same as in the first example.
  • the strand of material consisting of two components G and H. in a total of six strands AG, BG, CG, AH, BH and CH divided when he leaves the first mixing element 15.
  • the scheme according to FIG. 12 is also analogous to the scheme of Fig. 4, with the difference that the at Fig. 4 existing, vertical guide walls 4 ', 5' here V-shaped are trained and pass into the transverse edge.
  • the baffles can differ from the Separating edges to the transverse edge a variety of geometric Take forms as well as the mixing elements regarding the Flow direction also reversed as the arrangement shown his.
  • the mixing principle is always maintained that the middle strands mix and mix on one Spread out the side of the transverse edge and the two outer ones String pairs are then each on the other side of the transverse edge spread.
  • FIG. 13 is a new one Mixer assembly shown using the mixing elements described yields particularly good values.
  • the mixer housing 16 of the mixer 36 from FIG Mixer entrance with inlets 32 and 33 and Outlet openings 34 and 35 can be seen.
  • Like the known mixers with mixing spirals is the leading edge 31 of the first mixing spiral element 28 across the two Outlet openings 34, 35 arranged.
  • the two separating edges of the first mixing element 15 of the first mixing group 27 transverse to the trailing edge 30 of the first mixing coil element arranged.
  • the first mixing group 27 consists of the mixing elements 15, where four mixing elements are shown here, for example are. This is followed by the second mixing spiral element 28 ', the a second mixing group 27 'follows. This second mixed group also consists of four mixing elements 15 ', however compared to the first mixing group with regard to the direction of flow are turned through 180 °, i.e. with the against the entrance directed transverse wall, which makes this group look similar to that according to FIG. 9.
  • FIG. 13 also shows that the transverse edge 21 of the last mixing element of the mixing group perpendicular to each Leading edge 31 'of the mixing coil element 28' is.
  • the periodic use of a mixing spiral element has the Purpose of efficiently peeling the material from the walls and reallocate this, thereby further improving the Mixing performance takes place.
  • the exemplary embodiment according to FIGS. 15-17 is based on Embodiment according to Figure 1 with straight element walls from, however, the mixing elements in one circular cylindrical housing are arranged.
  • the embodiment improve mixing as well as dead zones, or reduce their losses and thus significantly enable higher total efficiency. You don't have to all of these features simultaneously on all mixing elements or mixed groups.
  • FIG. 15 shows a mixing element arrangement 40, the Housing is not shown, with the inlet part 41 with the Inlets 42, 43 and the exits 42 ', 43' and the Mixing part 44 with the mixing elements. Until the first Transverse edge 45 are the components by means of a separating web 46 Cut.
  • the height ZQ 1.1 also being preferred here can be up to 2.0 times greater than the height ZL of the guide walls, especially 1.5 times.
  • a second feature that is common to all mixing elements Measures to reduce dead zones, in particular play a role in straight walls and lead to loss volumes and local curing. Such dead zones become filled.
  • FIG Dead zone closures TZV specified. So the Bottom section 9 a first type of Dead zone locks TZV1 on to the previous one Mixing element are directed.
  • the guide walls 50 and 51 have a third and outside fourth type of dead zone locks TZV3 and TV4, which are attached where there are no sloping bars are.
  • Wall layers are created not only on the guide walls but also also on the inside wall of the mixer housing.
  • longitudinal webs are attached, which connect the double guide walls outside. These longitudinal webs do not have to be present in all mixed groups.
  • A the two components spread on the respective one Half of the transverse guide wall 55.
  • the right part goes in the middle and spreads the entire length of the Baffles 50, 51 from, while the left part in two Divides halves and forms the outer two thirds.
  • these three streams are divided across.
  • the left one Half directed in the middle and spread over the whole Length of the baffles while dividing the right half and half on either side of the Baffles, whereupon a transverse edge follows again, etc.
  • transverse edges and guide walls are no webs like web 152 have the general mixing principle of Do not change mixing elements.

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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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Golf Clubs (AREA)
  • Food-Manufacturing Devices (AREA)
  • Disintegrating Or Milling (AREA)
EP03405865A 2002-12-06 2003-12-04 Mélangeur statique et procédé Expired - Lifetime EP1426099B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH20722002 2002-12-06
CH20722002 2002-12-06

Publications (3)

Publication Number Publication Date
EP1426099A1 true EP1426099A1 (fr) 2004-06-09
EP1426099B1 EP1426099B1 (fr) 2007-09-12
EP1426099B8 EP1426099B8 (fr) 2007-10-17

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Country Status (12)

Country Link
US (3) US20040141413A1 (fr)
EP (1) EP1426099B8 (fr)
JP (1) JP4704676B2 (fr)
KR (1) KR101010872B1 (fr)
CN (1) CN1720094B (fr)
AT (1) ATE372824T1 (fr)
AU (1) AU2003283170A1 (fr)
DE (1) DE50308164D1 (fr)
DK (1) DK1426099T3 (fr)
ES (1) ES2291609T3 (fr)
PT (1) PT1426099E (fr)
WO (1) WO2004052519A1 (fr)

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DE202008007801U1 (de) 2007-09-19 2008-08-21 Kettenbach Gmbh & Co. Kg Behälter
EP2058048A1 (fr) * 2007-11-09 2009-05-13 GC Corporation Mélange d'éléments pour un mélangeur statique
WO2010101576A1 (fr) * 2009-03-06 2010-09-10 Colgate-Palmolive Company Appareil et procédé pour le remplissage d'un récipient avec au moins deux composants d'une composition
EP2614883A1 (fr) 2012-01-11 2013-07-17 Sulzer Mixpac AG Mélangeur statique
EP2629039A1 (fr) 2012-02-17 2013-08-21 Armacell Enterprise GmbH Échangeur de chaleur à flux expansible pour fontes de polymères
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WO2017027279A1 (fr) * 2015-08-07 2017-02-16 Nordson Corporation Chicanes de déflecteur d'écoulement à double paroi et mélangeur statique associé, et procédés de mélange
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WO2018029316A1 (fr) * 2016-08-10 2018-02-15 Ahrens Hans Joachim Mélangeur statique en deux parties, mélangeur statique carré en deux parties et mélangeur statique carré en plusieurs parties
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PT1426099E (pt) 2007-12-04
US20060187752A1 (en) 2006-08-24
CN1720094B (zh) 2012-08-29
US20040141413A1 (en) 2004-07-22
JP4704676B2 (ja) 2011-06-15
KR20050086900A (ko) 2005-08-30
KR101010872B1 (ko) 2011-01-26
EP1426099B1 (fr) 2007-09-12
AU2003283170A1 (en) 2004-06-30
DE50308164D1 (de) 2007-10-25
US7325970B2 (en) 2008-02-05
ES2291609T3 (es) 2008-03-01
US20080232191A1 (en) 2008-09-25
EP1426099B8 (fr) 2007-10-17
JP2004188415A (ja) 2004-07-08
CN1720094A (zh) 2006-01-11
WO2004052519A1 (fr) 2004-06-24
ATE372824T1 (de) 2007-09-15
DK1426099T3 (da) 2008-01-07

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