EP2985073B1 - Procede et dispositif destines a la fabrication de couleurs et de vernis - Google Patents

Procede et dispositif destines a la fabrication de couleurs et de vernis Download PDF

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Publication number
EP2985073B1
EP2985073B1 EP15176970.0A EP15176970A EP2985073B1 EP 2985073 B1 EP2985073 B1 EP 2985073B1 EP 15176970 A EP15176970 A EP 15176970A EP 2985073 B1 EP2985073 B1 EP 2985073B1
Authority
EP
European Patent Office
Prior art keywords
components
jet stream
storage tank
intake
intermediate product
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.)
Active
Application number
EP15176970.0A
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German (de)
English (en)
Other versions
EP2985073A1 (fr
Inventor
Hans-Jörg Schepers
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.)
Remmers Baustofftechnik GmbH
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Remmers Baustofftechnik GmbH
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Publication date
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Publication of EP2985073A1 publication Critical patent/EP2985073A1/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
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • B01F23/431—Mixing liquids with liquids; Emulsifying using driven stirrers the liquids being introduced from the outside through or along the axis of a rotating stirrer, e.g. the stirrer rotating due to the reaction of the introduced liquid
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/49—Mixing systems, i.e. flow charts or diagrams
    • 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
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • B01F27/1132—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller with guiding tubes or tubular segments fixed to and surrounding the tips of the propeller blades, e.g. for supplementary mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/62—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis comprising liquid feeding, e.g. spraying means
    • 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
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel

Definitions

  • the invention relates to a process for the production of paints and varnishes, in which intermediate products are stored in a storage container and the intermediate product in the storage container is mixed with a jet mixer. Furthermore, the invention relates to a device for carrying out the method with a filled with paint or paint reservoir and arranged in the reservoir Leitstrahlmischer.
  • Coatings and coating systems are known to be produced on dissolvers and inline dispersing machines. This is sufficient for the basic production processes.
  • basic-produced recipes from the production units are stored in storage containers for process engineering optimization and for temporal decoupling of the complex production machines from the correction and filling operation.
  • an additional agitator is arranged, for example in the form of a jet mixer, which prevents sedimentation of the solids and further intimately mixes the liquid in the container.
  • a stirring drive protrudes from above into a liquid to be mixed.
  • the mixing device of the stirring drive protrudes into the lower region of the container, but breaks through the liquid level from above.
  • About a Fernabloom Koch is also from above into the reservoir a substance fed.
  • the actual mixture of this substance with the first substance takes place in a separate mixing unit.
  • Similar devices are in the EP 0 570 335 A1 , of the CH 23 844 A , of the US 2,888,322 A and the GB 938 356 A described.
  • a method and an arrangement for the production of citrus juices is known from DE 32 21 509 A1 known. In this document, a concentrate with citrus juices, including fruit components, is moved with a submirror jet mixer. In the container from the bottom additional water is added.
  • the invention has for its object to provide a method and an apparatus of the type mentioned, with which the intermediate product can be further developed in the reservoir.
  • Thickeners and / or solvents are preferably added as components.
  • the inventive method is advantageous for the rapid distribution of liquid to medium-viscosity media in large volumes.
  • the components are preferably introduced into the storage container by means of a pump. On the one hand, this is necessary in order to be able to introduce the components against the media pressure. On the other hand, with a pump and the feed can be precisely controlled or regulated.
  • the components added to the intermediate are added only in very small dosages, i. H. in particular, that the ratio of raw material to intermediate product is less than 1: 1000. In particular, smaller than 1: 5000.
  • the addition of the components takes place in a circulation operation, in which the intermediate product is discharged from the reservoir and fed back via the access for the component.
  • the components can be introduced either as a template or more preferably as a permanent addition in the circulation circuit in the reservoir.
  • a static mixing element in the circulation circuit, so that already in the circulation circuit mixing the Intermediate product with the component to be mixed takes place.
  • the intermediate product is preferably a paint or a varnish.
  • Another aspect of the invention relates to the use of the method for the addition of critical components such as thickeners and solvents in paint and / or paints.
  • a device for producing paints and varnishes for carrying out the method described above with a filled with paint or reservoir and a container arranged in the jet guide jet fiction essential provided that the jet mixer is a sub-mirror jet mixer that the Submersible jet mixer is assigned an access to the addition of components and that the access ends in the immediate vicinity of the head of the lower mirror Leitstahlmischers.
  • the inventive method can be performed.
  • any number of batches can be compacted from classic production and directly assembled in the container, from which is filled later, and set securely.
  • Conventional production is understood here to mean the preceding production stage in a dissolver or an inline dispersing machine.
  • the access is designed as a seed needle, this seed needle preferably has a diameter of 25 mm or smaller.
  • the access is preferably guided parallel to the shaft of the sub-reflector jet mixer.
  • the access uses the same passage through the wall of the reservoir as the shaft.
  • the access is a pump assigned, so that the components are introduced by the pump via the access in the reservoir.
  • the access ends in the vicinity of the head of the submirror jet mixer such that the added components are drawn into the beam and thereby detected immediately. Distances to the head are 5 to 30 cm, preferably 8 to 20 cm.
  • a storage container 1 which is also referred to as a discharge container and having a drain 5.
  • the discharge container 1 has a wall 7 and a usable volume of 5 to 30 m 3 , in particular 10 to 20 m 3 .
  • a lower mirror jet mixer 2 is arranged in the storage container 1. This has a head 3 and a shaft 4.
  • the shaft 4 is guided with a passage 8 through the wall 7 of the reservoir 1.
  • the submirror jet mixer 2 is arranged completely in the lower part of the storage container 1. This ensures that by using the sub-reflector jet mixer 2 no air in the contained in the reservoir 1 intermediate can penetrate.
  • the sub-reflector jet mixer 2 is associated with an access 6, which is conveniently designed as a seed needle and here parallel and adjacent to the shaft 4 of the sub-reflector jet mixer 2 is arranged.
  • the access 6 ends immediately and closely adjacent to the head 3 of the submirror jet mixer 2.
  • the distance is between 5 and 30 cm, in particular between 6 and 20 cm.
  • the distance between the head of the access 6 and the head 3 of the submirror jet mixer 2 is so small that the raw material introduced by the access 6 or the components introduced through the access 6 are immediately drawn in by the jet of the submirror jet mixer 2, recorded and distributed in the reservoir 1.
  • the added components are stored here in a container 12 and are introduced via a pump 9 and a supply line 16 into the reservoir 1.
  • the pump 9 can be shut off with a valve 10 between the pump 9 and the reservoir 1 and a valve 11 between the container 12 and the pump 9.
  • Fig. 2 a further embodiment of the device according to the invention is shown.
  • small amounts are added here. These can be introduced here via a funnel 13 by hand addition in the reservoir 1.
  • the same parts with the same reference numerals as in Fig. 1 thus, so far as the description to Fig. 1 Reference is made.
  • a circulation line 14 is provided.
  • the component which is added to the intermediate product can also be added here via the funnel 13 by hand addition or else in another way.
  • a valve 17 is additionally provided, which separates the funnel 13 from the circulation circuit. This makes it possible, the components to be added either as a template or as a permanent addition to the circulation circuit introduce.
  • a portion of the intermediate product is discharged and introduced via the circulation line 14 with the pump 9 via the supply line 16 back into the reservoir 1.
  • a mixing device 18 is preferably provided, to which the circulating stream of the intermediate product with the added component is premixed and distributed.
  • FIG. 4 A section of the reservoir 1 with the container wall 7 is in Fig. 4 shown. Shown is the portion of the container wall 7, in which the sub-reflector jet mixer 2 is received.
  • the submirror jet mixer 2 is formed by a turbine 20, which is fastened with a mounting linkage 21 on the container wall 7.
  • the passage through the wall 8 is not formed perpendicular to the container wall 7, but at an angle to this, wherein the lower mirror Leitstrahlmischer 2 is directed obliquely downwards into the reservoir 1 and the angle between the lower mirror Leitstrahlmischer 2, in particular between the Shaft 4 of the sub-reflector jet mixer 2 and the container wall 7 between 30 ° and 80 °, in particular between 40 ° and 70 °, in particular between 50 ° and 60 °.
  • Parallel to the shaft 4 of the submirror jet mixer 2 the access 6 is guided with some distance within the mounting rod 21, which is designed as a vaccination needle. This ends in the front region of the turbine 20, but with some distance to the foremost end of the turbine 20.
  • the turbine 20 generates a flow according to the flow arrows 15. From the seed needle enters the added component according to the flow arrow 22 in the reservoir 1 a. Here, a small distance to the flow arrow 15 can be seen.
  • a motor 19 is disposed outside of the reservoir 1 and drives the shaft 4, with which the turbine 20 is operated.
  • the container wall 7 is angled in the passage 8 through the wall to allow in this way the orientation of the lower mirror jet mixer 2 at an angle other than 90 °.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (11)

  1. Procédé de fabrication de peintures et de vernis, consistant à stocker un produit intermédiaire dans un réservoir (1) dont le volume utile est compris entre 5 et 30 m3, à mélanger ledit produit intermédiaire dans le réservoir (1) au moyen d'un mélangeur à jet dirigé,
    le processus de mélange étant effectué au moyen d'un mélangeur immergé à jet dirigé (2), le mélangeur immergé à jet dirigé (2) étant disposé entièrement dans la partie inférieure du réservoir (1),
    ledit produit intermédiaire étant enrichi en constituants lesquels sont acheminés à travers une entrée (6) qui est associée au mélangeur immergé à jet dirigé (2) et qui se trouve dans une position voisine et parallèle à un arbre (4) du mélangeur immergé à jet dirigé (2), et
    lesdits constituants étant libérés à proximité immédiate de la tête (3) du mélangeur immergé à jet dirigé (2), c'est-à-dire à une distance comprise entre 5 cm et 30 cm de celle-ci.
  2. Procédé selon la revendication 1, caractérisé en ce que les constituants que l'on ajoute sont des épaississants et/ou des solvants.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que lesdits constituants sont introduits dans le réservoir (1) à travers l'entrée (6) au moyen d'une pompe (9).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'on ajoute lesdits constituants seulement à petites doses, de manière à ce que le rapport entre les constituants et ledit produit intermédiaire soit inférieure à 1 : 100.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que lesdits constituants sont ajoutés dans le cadre d'une opération de circulation laquelle consiste à évacuer ledit produit intermédiaire du réservoir (1) puis à le réintroduire à travers l'entrée (6) destinée aux dits constituants.
  6. Procédé selon la revendication 5, caractérisé en ce que l'introduction desdits constituants est réalisée, dans le cadre de ladite opération de circulation, par un ajout continu.
  7. Procédé selon l'une des revendications 5 ou 6, caractérisé en ce que l'introduction desdits constituants dans le produit intermédiaire, lequel circule dans le cadre de ladite opération de circulation, est réalisée au moyen d'un dispositif de mélange statique (18).
  8. Dispositif de fabrication de peintures et de vernis qui est destiné à mettre en oeuvre le procédé selon l'une des revendications 1 à 7 et qui est pourvu d'un réservoir (1) lequel est rempli avec un produit intermédiaire pour la fabrication de peintures et de vernis et lequel a un volume compris entre 5 et 30 m3 et d'un mélangeur à jet dirigé lequel est disposé au sein dudit réservoir,
    ledit mélangeur à jet dirigé étant un mélangeur immergé à jet dirigé (2) qui est entièrement disposé dans la partie inférieure du réservoir (1),
    une entrée (6), laquelle permet d'ajouter des constituants, étant associée au mélangeur immergé à
    jet dirigé (2) alors qu'elle se trouve dans une position voisine et parallèle à un arbre (4) du mélangeur immergé à jet dirigé (2), et
    l'extrémité de l'entrée (6) étant située à proximité immédiate de la tête (3) du mélangeur immergé à jet dirigé (2), c'est-à-dire à une distance comprise entre 5 cm et 30 cm de celle-ci.
  9. Dispositif selon la revendication 8, caractérisé en ce que l'entrée (6) est réalisée sous forme d'une aiguille creuse ayant un diamètre inférieur ou égal à 25 mm.
  10. Dispositif selon la revendication 8 ou 9, caractérisé en ce qu'une pompe (9), associée à l'entrée (6), permet d'introduire dans l'entrée (6) au sein du réservoir (1) les constituants à ajouter.
  11. Dispositif selon la revendication 10, caractérisé en ce que ledit dispositif comporte un conduit de circulation reliant une sortie (5) du réservoir (1) à la pompe (9).
EP15176970.0A 2014-08-11 2015-07-16 Procede et dispositif destines a la fabrication de couleurs et de vernis Active EP2985073B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014011880.0A DE102014011880A1 (de) 2014-08-11 2014-08-11 Verfahren und Vorrichtung zur Herstellung von Farben und Lacken

Publications (2)

Publication Number Publication Date
EP2985073A1 EP2985073A1 (fr) 2016-02-17
EP2985073B1 true EP2985073B1 (fr) 2018-07-04

Family

ID=53835221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15176970.0A Active EP2985073B1 (fr) 2014-08-11 2015-07-16 Procede et dispositif destines a la fabrication de couleurs et de vernis

Country Status (3)

Country Link
EP (1) EP2985073B1 (fr)
DE (1) DE102014011880A1 (fr)
DK (1) DK2985073T3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH23844A (de) * 1901-03-15 1902-09-30 Hans Bolze Rührapparat für Flüssigkeiten
US2888322A (en) * 1953-12-01 1959-05-26 Bayer Ag Alkaline-earth metal silicates
DE1219687B (de) * 1959-06-18 1966-06-23 Stockhausen & Cie Chem Fab Verfahren zur Anlagerung von Alkylenoxyden
DE3221509A1 (de) * 1982-06-07 1983-12-08 Eckes, Peter, 6501 Nieder-Olm Verfahren und anordnung zur herstellung von citrusfruchtsaeften und getraenken auf der grundlage von citrusfruchsaeften mit fruchtfleisch
DE59300496D1 (de) * 1992-04-30 1995-09-28 Urs Liechti Einrichtung und Verfahren zum Beimischen einer schüttbaren Feststoffkomponente zu einer flüssigen Grundmasse.
DE19960393A1 (de) 1999-12-15 2001-06-21 Treffert Gmbh Anlage zur kontinuierlichen Produktion von unter anderem Lacken, Farben oder Beschichtungsmaterialien
DE10023694C2 (de) * 2000-05-16 2002-04-04 Ystral Gmbh Maschb & Processte Vorrichtungen zum Mischen von Stoffen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DK2985073T3 (en) 2018-10-22
DE102014011880A1 (de) 2016-02-11
EP2985073A1 (fr) 2016-02-17

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