EP1533021B1 - Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen - Google Patents

Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen Download PDF

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Publication number
EP1533021B1
EP1533021B1 EP03026474A EP03026474A EP1533021B1 EP 1533021 B1 EP1533021 B1 EP 1533021B1 EP 03026474 A EP03026474 A EP 03026474A EP 03026474 A EP03026474 A EP 03026474A EP 1533021 B1 EP1533021 B1 EP 1533021B1
Authority
EP
European Patent Office
Prior art keywords
mixing
channels
mixing element
mixing device
main flow
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
EP03026474A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1533021A1 (de
Inventor
Klaus Hempel
Roland Erich Munkelt
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.)
EFTEC Europe Holding AG
Original Assignee
EFTEC Europe Holding 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
Priority to AT03026474T priority Critical patent/ATE381381T1/de
Application filed by EFTEC Europe Holding AG filed Critical EFTEC Europe Holding AG
Priority to DK03026474T priority patent/DK1533021T3/da
Priority to DE50308859T priority patent/DE50308859D1/de
Priority to EP03026474A priority patent/EP1533021B1/de
Priority to ES03026474T priority patent/ES2295499T3/es
Priority to CA002546177A priority patent/CA2546177A1/en
Priority to PCT/EP2004/012637 priority patent/WO2005049186A2/de
Priority to US10/578,196 priority patent/US20070081420A1/en
Publication of EP1533021A1 publication Critical patent/EP1533021A1/de
Priority to NO20062743A priority patent/NO20062743L/no
Application granted granted Critical
Publication of EP1533021B1 publication Critical patent/EP1533021B1/de
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
    • 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
    • B01F25/421—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 by moving the components in a convoluted or labyrinthine path
    • B01F25/422—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 by moving the components in a convoluted or labyrinthine path between stacked plates, e.g. grooved or perforated plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • 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

Definitions

  • Static mixing devices as well as discharge devices for particularly viscous fluids to be used with such static mixing devices have been known in great variety for a long time:
  • a static mixer which is constructed of layered plates.
  • fluid flows are passed through the individual plate levels, the plates each having interconnected channels. Passage openings on different planes of the plates are each offset from one another.
  • EP-A1-0 665 063 US 3,323,682 . US 2003/0179648 A1 and EP-B1-0 787 661 known.
  • EP-A1-1 013 706 describes the combination of pressure cans with a static mixer.
  • a disadvantage of the known static mixing devices is that at relatively low height only insufficient mixing is effected.
  • known static mixing devices that achieve an acceptable mixing, have such a large height, that the handling is impaired in particular together with a discharge device of the type mentioned.
  • a static mixing device comprises at least a first mixing element, which on a front side a plurality of particular parallel channels transversely, in particular orthogonal to the main flow direction, wherein the channels are not connected to each other, but have passage openings in the main flow direction.
  • a deflection or division of the flow is effected. This is preferably done by an orthogonal arrangement, but of course, non-orthogonal arrangements are possible.
  • at least a second mixing element, which is in contact with the first mixing element, is provided which has on a front side a plurality of, in particular, parallel channels transversely, in particular orthogonal to the main flow direction, the channels being connected to one another.
  • channels of a mixing element in contact with another mixing element are considered to be connected if an exchange of fluids between the respective channels is possible, in particular through their side walls.
  • the direction of the main flow direction is understood here and hereinafter to mean the direction along the longitudinal axis between the inlet and outlet of the medium.
  • curved mixing devices are possible; in such a case, the main flow direction follows the curvature of the mixing device.
  • the front side of a mixing element is understood here and below as the side which faces the inlet for the substances to be mixed.
  • a rear side of a mixing element is understood here and below as the side which faces the outlet for the substances to be mixed.
  • the first and second mixing elements are arranged alternately.
  • an alternating arrangement is particularly preferably understood to mean arrangements in which no first (or second) mixing element is arranged directly adjacent to a further, first (or second) mixing element.
  • the first and second mixing elements are designed as stackable plates.
  • Such plates are, for example, in the plastic injection molding process particularly simple and can be produced by known means.
  • the stackability can in this case be effected by a variety of means, for example by mutually particularly specifically compatible areas of adjacent plates, in particular elevations and depressions. It is particularly preferred that the plates outside are round, in particular formed with the same outer diameter.
  • the first and second mixing elements are stacked against each other at a certain angle relative to a comparable structural feature present on both mixing elements.
  • the respective next mixing element is in this case arranged rotated relative to the preceding mixing element by this particular angle.
  • the direction of rotation, by which the individual mixing elements are rotated does not change along the static mixing device.
  • a second mixing element follows a first mixing element in the main flow direction, the channels of this preceding first mixing element being arranged parallel to the rear-side channels of the second mixing element.
  • a first mixing element follows a second mixing element in the main flow direction, wherein the channels of this following, first mixing element are aligned rotated by an angle of 90 ° against the channels on the back of the second mixing element.
  • sequence of mixing elements include pairwise arrangements of the first and second mixing elements, wherein in each of the paired arrangements the channels of the first mixing element are aligned parallel to the backside channels of the second mixing element, but in the main flow direction the channels of a subsequent one , Paired arrangement are each arranged rotated in relation to a preceding arrangement by an angle of 90 °.
  • the mixing elements can have means for rotation-proof stacking, in particular at an angle of 90 ° or an even multiple of 90 °.
  • cams are arranged, which are compatible in a stack of mixing elements to depressions of adjacent mixing elements. This can be ensured in a simple manner a non-rotating stacking with the greatest possible flexibility remaining in the structure.
  • an input piece is provided in the main flow direction in front of a first mixing element and / or an end piece in the main flow direction after a final mixing element.
  • the mixing elements and optionally the input piece and / or the end piece are arranged interchangeably in a sleeve in particular.
  • the sleeve is in particular reversibly closed with a connection piece for connection to a discharge device and / or lockable.
  • This may in particular be, for example, screw and / or plug connections, but also clamping connections; preferably screw connections are used.
  • a mixing device of the type mentioned advantageously finds use for mixing at least two substances stored in a storage container having at least two compartments, wherein the mixing device can be arranged or arranged detachably or firmly on the storage container or a discharge device.
  • Such storage containers are intended in particular for adhesives and sealants usually for single use, so not emptied after emptying.
  • static static devices are often also not reusable.
  • such storage containers can therefore already be made and sold in particular firmly connected to such a static mixing device, which further simplifies the handling for the end user by reducing the need for manipulation.
  • Another aspect of the invention thus relates to a storage container in combination with the mixing device, in particular a multi-chamber tubular bag with at least two compartments, wherein the mixing device of the type described above is detachably or firmly connected or connected to the storage container.
  • a connection can in particular be caused by the manufacturer and irreversibly.
  • plug, screw and / or clamping connections it is also possible to provide in particular plug, screw and / or clamping connections.
  • An additional aspect of the invention also relates to a discharge device for discharging at least two substances to be mixed from an either combined storage container having at least two compartments, or a plurality of separate storage containers in combination with the mixing device.
  • These may in particular be parallel or coaxial double cartridge systems.
  • Such discharge devices are available in various designs, in particular pneumatically or manually, available on the market, for example. Of Mixpac (System 400) or PC Cox Ltd. (RBA 200B). In particular, multi-chamber tubular bag systems can be used.
  • the outlet of the storage container (s) can be connected or connected to the static mixing device.
  • Such discharge devices are particularly well known for one-component systems, for example MK Maskinsfabrik (TS 485 X).
  • a substantially direct connection of the storage container to the static mixing device can be provided.
  • the prior art in particular the WO 01/44074 Problems of insufficient mixing with static mixing devices are known, which can usually be at least partially overcome by separately guiding the components to be mixed before the actual mixing system. However, this results in an undesirable extension of the operative discharge device, whereby the handling is deteriorated.
  • a static mixing device according to the present invention, such a separate task of the components on the mixing device is not necessary.
  • a substantially direct connection between the outlet of a storage container and the static mixing device can be produced without this having a negative effect on the mixing result.
  • “Substantially direct” in this context means that technically no distance between storage container and static mixing device to achieve the mixing is necessary; However, this does not rule out that possibly due to the modular structure and / or possibly necessary sealing elements, etc. may result in a slight spacing.
  • the inventive method for discharging at least two substances to be mixed in particular from a storage container with at least two compartments is thus characterized by the fact that the mixture of substances substantially exclusively by a static mixing device, as described above, takes place.
  • “Substantially” means here that, if necessary, further mixing can take place outside the static mixing device, but this is not of superficial importance for the respective application.
  • additional application nozzles or the like. usable, which could possibly cause a further mixture in addition to the focus of the mixture to be applied.
  • FIG. 1 shows an exploded view of a static mixing device 1 constructed from a plurality of first mixing elements A and second mixing elements B.
  • the construction of the first and second mixing elements A, B will be explained in detail below in FIGS. 2 and 3.
  • the mixing elements A and B are designed as stackable plates.
  • the static mixing device 1 also has a connecting piece 11 (see also FIG. 8) as well as an input piece 8 and an end piece 9 (see also FIGS. 5 and 6).
  • the connecting piece 11 serves to connect the static mixing device 1 to a not shown in detail, in particular commercial discharge device. For example, plug-in, screwed and / or clamping connections can be provided for connection to such a discharge device.
  • the static mixing device 1 is traversed in the main flow direction H by a plurality, in particular two, in particular two viscous substances to be mixed, in particular free-flowing.
  • a working pressure of the order of magnitude of up to 6.0 to 6.5 bar in the main flow direction H must be used.
  • the mixing elements A and B are arranged alternately in the main flow direction H as follows: A, B, A, B, etc.
  • the individual mixing elements A, B are arranged here with an angle of rotation ⁇ increasing in the direction of the main flow H, specifically in each case each next mixing element A or B by an additional 90 ° relative to the position of the preceding mixing element A or B.
  • FIG. 2 shows a first mixing element A from a front side V in detail.
  • the mixing element A has a plurality of parallel channels 2, which are not connected to each other.
  • the individual channels each have passage openings 3 to the rear of the mixing element A.
  • the passage openings 3 of adjacent channels 2 are located on opposite sides of the mixing element A. In this case, a middle region of all channels 2 is free of any passage openings.
  • the mixing element 2 also has means for the rotationally secured stacking of mixing elements A, B. These are preferably cams or recesses compatible with these cams. Cams and recesses are in this case arranged on opposite sides of the mixing element A, that a stacking at an angle of rotation ⁇ of 90 ° or a multiple of 90 ° is made possible.
  • FIG. 3 shows the front side V of a mixing element B.
  • the mixing element B has a plurality of channels 2 which are interconnected by means of a connecting channel 5. Beyond a first side of this connection channel 5 - in the figure to the right of the connecting channel 5 - the channels 2 have no passage openings. However, passages 6 are present on this side, which are not connected to the channels 2. Beyond a second side of this connection channel - in the figure to the left of the connecting channel 5 - the channels each have at least one opening 4 in a side wall, whereby the channels 2 are connected to passage openings 3.
  • FIG. 4 shows the rear side R of a mixing element B according to FIG. 3.
  • this rear side R is largely analogous to the front side of a mixing element A:
  • the rear side R of the mixing element B has a plurality of channels 2 which are not connected to each other. In a central region of all channels 2 - in the figure, the area between the dashed lines - no passage openings 3 are present. In a region located in the figure to the right of this central region, the channels 2 have passage openings 3; these are referred to as passages 6 in FIG. Thus, these are not in communication with the front channels 2 (see FIG.
  • the channels 2 likewise have passage openings 3, which are connected to the front channels 2 via the openings 4.
  • the passage openings 3 of adjacent channels 2 on the rear side R of the mixing element B are arranged on opposite sides of the mixing element B.
  • Figure 5 shows an input piece 8, which is connected in the main flow direction H a first mixing element.
  • This input piece particularly advantageously has a central web 16, which is arranged in the middle region of the channels 2 of the first mixing element A in the main flow direction H.
  • FIG. 6 shows an end piece 6, which is arranged after a mixing element B that is the last in the direction of the main flow H.
  • a mixing element B that is the last in the direction of the main flow H.
  • the tail 6 also has baffles 17, which are preferably arranged concentrically around the outlet opening 17 around and also serve the mixing.
  • FIG. 7 shows a sleeve 10 for receiving a plurality of mixing elements A and B, the input piece 8 and the end piece 9. The sleeve is then closed with a connector 11 shown in Figure 8. This can be both a detachable connection of sleeve 10 and connector 11 as well as an irreversible connection.
  • FIG. 9 shows a ready-to-use mixing device, which can be connected via the connecting piece 11, in particular to commercially available discharge devices.
  • the static mixing device constructed in the drawing, only schematically indicated, constructed from a plurality of mixing elements A, B.
  • Preferred materials for the mixing elements A, B, inlet and tail, and the sleeve 10 are in particular polypropylene (PP), polyethylene (PE) and polyamides, which may optionally be glass fiber reinforced.
  • PP polypropylene
  • PE polyethylene
  • polyamides which may optionally be glass fiber reinforced.
  • other materials, especially plastics or metals may be selected for the particular application; Such materials and their specific advantages are known to those skilled in the art.
  • Comparative tests of a static mixing device 1 according to the invention with 11 mixing elements A and B according to the arrangement shown in FIG. 1 were carried out using a standard mixer Mixpac from Statomix (internal diameter 10 mm, length 217 mm).
  • a standard mixer Mixpac from Statomix (internal diameter 10 mm, length 217 mm).
  • the components of the two-component adhesive Dinitrol 512 2K HM were mixed via the static mixing devices and the achievable adhesive properties based on the tensile shear strengths measured at different times compared.
  • glass was glued to painted sheet metal, with both substrates having been pretreated with glass primer or paint primer. Such pretreatments correspond to the usual practice of the skilled person.
  • the components were then pressed under a pressure of 6 bar through the static mixing devices.

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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)
  • Coating Apparatus (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP03026474A 2003-11-20 2003-11-20 Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen Expired - Lifetime EP1533021B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DK03026474T DK1533021T3 (da) 2003-11-20 2003-11-20 Statisk blandeanordning, udförelsesanordning og forrådsbeholder med en sådan blandeanordning. Anvendelse af en sådan blandeanordning samt fremgangsmåde til udförsel
DE50308859T DE50308859D1 (de) 2003-11-20 2003-11-20 Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen
EP03026474A EP1533021B1 (de) 2003-11-20 2003-11-20 Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen
ES03026474T ES2295499T3 (es) 2003-11-20 2003-11-20 Dispositivo de mezclado estatico, dispositivo de descarga y recipiente de almacenamiento con un dispositivo de mezclado de este tipo. uso de un dispositivo de mezclado de este tipo y procedimiento para la descarga.
AT03026474T ATE381381T1 (de) 2003-11-20 2003-11-20 Statische mischvorrichtung, austragvorrichtung und vorratsbehältnis mit einer solchen mischvorrichtung. verwendung einer solchen mischvorrichtung sowie verfahren zum austragen
PCT/EP2004/012637 WO2005049186A2 (de) 2003-11-20 2004-11-09 Statische mischvorrichtung, austragvorrichtung und vorratsbehältnis mit einer solchen mischvorrichtung, verwendung einer solchen mischvorrichtung sowie verfahren zum austragen
CA002546177A CA2546177A1 (en) 2003-11-20 2004-11-09 Static mixing device, discharge device and supply container comprising said mixing device, use of said mixing device and discharge method
US10/578,196 US20070081420A1 (en) 2003-11-20 2004-11-09 Static mixing device, discharge device and supply container comprising said mixing device, use of said mixing device and discharge method
NO20062743A NO20062743L (no) 2003-11-20 2006-06-13 Statisk blandeinnretning, uttaksinnretning og forradsbeholder med en slik blandeinnretning, anvendelse av en slik blandeinnretning, samt fremgangsmate for uttak

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03026474A EP1533021B1 (de) 2003-11-20 2003-11-20 Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen

Publications (2)

Publication Number Publication Date
EP1533021A1 EP1533021A1 (de) 2005-05-25
EP1533021B1 true EP1533021B1 (de) 2007-12-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03026474A Expired - Lifetime EP1533021B1 (de) 2003-11-20 2003-11-20 Statische Mischvorrichtung, Austragvorrichtung und Vorratsbehältnis mit einer solchen Mischvorrichtung. Verwendung einer solchen Mischvorrichtung sowie Verfahren zum Austragen

Country Status (9)

Country Link
US (1) US20070081420A1 (da)
EP (1) EP1533021B1 (da)
AT (1) ATE381381T1 (da)
CA (1) CA2546177A1 (da)
DE (1) DE50308859D1 (da)
DK (1) DK1533021T3 (da)
ES (1) ES2295499T3 (da)
NO (1) NO20062743L (da)
WO (1) WO2005049186A2 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1904221A2 (en) * 2005-04-06 2008-04-02 Stichting voor de Technische Wetenschappen Inlet section for micro-reactor
DE102006013411B4 (de) * 2006-03-15 2008-07-10 Helmut Knoblich Mobile Vorrichtung zum Mischen und Austragen hochviskoser Massen
US9162206B2 (en) 2013-12-05 2015-10-20 Exxonmobil Research And Engineering Company Reactor bed component for securing rigid assemblies
EP3167954B1 (en) * 2015-11-12 2019-03-27 Doosan Heavy Industries & Construction Co., Ltd. Static mixer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382534A (en) * 1965-08-19 1968-05-14 Monsanto Co Plate type fluid mixer
US3856270A (en) * 1973-10-09 1974-12-24 Fmc Corp Static fluid mixing apparatus
US4109680A (en) * 1977-01-03 1978-08-29 Lavender Ardis R Plate type fluid distributing device
US5137369A (en) * 1991-01-18 1992-08-11 Hodan John A Static mixing device
US6899453B2 (en) * 2000-10-17 2005-05-31 Sika Schweiz Ag Static mixer and method for mixing a main component with an additive
US20030048694A1 (en) * 2001-09-12 2003-03-13 Tah Industries Inc. Material mixing device and method
DE50200013D1 (de) * 2002-03-22 2003-07-31 Sulzer Chemtech Ag Winterthur Rohrmischer mit einem longitudinalen Einbaukörper

Also Published As

Publication number Publication date
DK1533021T3 (da) 2008-05-05
EP1533021A1 (de) 2005-05-25
ES2295499T3 (es) 2008-04-16
NO20062743L (no) 2006-06-13
DE50308859D1 (de) 2008-01-31
US20070081420A1 (en) 2007-04-12
ATE381381T1 (de) 2008-01-15
WO2005049186A2 (de) 2005-06-02
WO2005049186A3 (de) 2005-07-14
CA2546177A1 (en) 2005-06-02

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