EP0850106B1 - Dispersing device and process - Google Patents

Dispersing device and process Download PDF

Info

Publication number
EP0850106B1
EP0850106B1 EP96938007A EP96938007A EP0850106B1 EP 0850106 B1 EP0850106 B1 EP 0850106B1 EP 96938007 A EP96938007 A EP 96938007A EP 96938007 A EP96938007 A EP 96938007A EP 0850106 B1 EP0850106 B1 EP 0850106B1
Authority
EP
European Patent Office
Prior art keywords
ball mill
shaft
dispersion
dispersed
dissolver
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
EP96938007A
Other languages
German (de)
French (fr)
Other versions
EP0850106A1 (en
Inventor
Hermann Getzmann
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to SI9630185T priority Critical patent/SI0850106T1/en
Publication of EP0850106A1 publication Critical patent/EP0850106A1/en
Application granted granted Critical
Publication of EP0850106B1 publication Critical patent/EP0850106B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
    • 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
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
    • B01F33/8305—Devices with one shaft, provided with mixing and milling tools, e.g. using balls or rollers as working tools; Devices with two or more tools rotating about the same axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B02C17/168—Mills in which a fixed container houses stirring means tumbling the charge with a basket media milling device arranged in or on the container, involving therein a circulatory flow of the material to be milled

Definitions

  • the invention relates to a dispersing device from a container for receiving and processing a product to be dispersed, a flow generating device which can be driven by a first shaft, one containing a grinding medium Grinding device, which has a housing with openings, by which the dispersed material due to by the flow generating device generated flow can pass through, and one disposed in and relative to the housing rotatable stirring tool, the housing of the grinding device is formed in the form of an annular channel, which is a central Has hole, and the shaft through the central hole of the ring channel runs.
  • the invention also relates to a method for pre- and fine dispersion of a fine and very fine, solid in a dispersant in a container to take up the dispersed material, the predispersion by means of a dissolver and the fine dispersion by means of an agitator ball mill is carried out.
  • EP 526 699 A1 describes a dispersing device at the beginning known type known.
  • a flow generating device In order to allow the grinding medium to circulate through the sieve basket, drives the drive shaft next to the mixing tool also a flow generating device. This flow generating device must be outside the strainer to ensure sufficient flow.
  • the drive shaft penetrates the strainer basket. At the penetration point a separation and sealing system is installed, that prevents the grinding media from escaping from the sieve.
  • the central arrangement of the flow generating device brings clear advantages in terms of flow technology, because thus a uniform flow through the entire container is ensured.
  • the dispersed material must be predispersed.
  • Pre-dispersion is preferably carried out with a dissolver disc, since, in particular in the case of agglomerates which are difficult to disperse, the in the further process the use of the grinding device require optimal predispersion from economical Is essential.
  • An insufficiently pre-dispersed product not only requires longer terms from the standstill the technology known grinder, but often did not achieve the desired subtleties.
  • Omissions or Predispersion usually cannot be balanced by other systems. Especially because because insufficiently pre-dispersed products in the further Use the grinder to plug the holes of the strainer basket, which causes the circulation through the Sieve basket is difficult or even completely prevented.
  • the object of the present invention is now that of known dispersing device such to develop further that the process process is considerably simplified and the cleaning effort is reduced.
  • this object is achieved in that the Grinding device opposite the flow generating device is adjustable in height and that the grinding device by means of Height adjustment can be immersed in and out of the dispersed material this is completely removable again while the flow generating device remains in the dispersed material.
  • the flow generating device usually has means to disperse on.
  • Dispersing device has the housing of the grinding device an open profile, and the agitator is over at least a connecting bridge that runs through the open profile, connectable to the shaft.
  • the dispersing device Due to the configuration of the dispersing device according to the invention can the drive shaft for the flow generating device centrally along the rotation axis of the screen basket run. This is the fluidic advantage of the Maintaining the central arrangement of the flow generating device.
  • the use of the separation and sealing system can be complete to be dispensed with, since the housing of the grinding device is not penetrated by the wave. Cleaning the grinder is much easier and faster to do.
  • Dispersing device has the housing of the grinding device an open profile, the mixing tool is through a second shaft can be driven and the stirrer is over at least one connecting bridge through the open profile runs, connectable to another wave.
  • the further shaft is preferably designed as a hollow shaft, which encloses the shaft of the flow generating device.
  • the outer hollow shaft stirring tool arranged in the housing of the grinding device in a particularly simple way regardless of the speed the drive shaft of the flow generating device drive. Both waves can be used simultaneously or each separately are driven by each other or even in the opposite Sense of rotation.
  • there is also a kinematic one Reversal possible within the grinder i.e. that the entire grinding device relative to the fixed stirring tool is rotatable.
  • the mixing tool depends on the dispersing task can be designed as required. It can e.g. as an annular disc, Annular ring disk, slotted disk, pins, etc. educated his.
  • the agitator preferably has at least one coaxial with the Ring channel running circular washer, which is in the ring channel extends.
  • the stirrer thus ensures a continuous Movement of the grinding medium arranged in the housing.
  • the flow generating device has means for dispersing on. It is particularly advantageous if these means are designed for dispersing as a dissolver disc.
  • the Dissolver disc then generates the one for operation the dispersing device necessary flow and also takes predispersion of the grinding medium.
  • the dissolver disc fulfills a particularly important task for dispersion, namely the uniform product circulation down to the Edge zone of the mixing container.
  • a dissolver disc fulfills that Dispersion tasks, i.e. the dissolving of agglomerates and the wetting of the primary particles in the liquid phase, in a particularly economical way, since the dispersion is carried out significantly faster than within the grinding device.
  • the dispersing device according to the invention is preferably so designed that the grinding device is adjustable in height and these can be immersed in the dispersed material by means of the height adjustment and can be completely removed from it.
  • the individual process steps of the Pre- and fine dispersion completely separate from each other perform without the substances to be dispersed need to be removed from the container or a change in Mixing tools are necessary.
  • a change between predispersion and fine dispersion can be particularly quick and economical be carried out. Separate containers and drive devices for a dissolver and an agitator ball mill omitted.
  • Both can in the dispersing device according to the invention Process, predispersion using the dissolver disc and the fine dispersion by means of the agitator ball mill, in Circulation procedures are carried out.
  • the procedures can be carried out separately or simultaneously.
  • the latter variant is in the dispersing device according to the invention particularly simple and economical to implement, because a change of the mixing device or container between the pre-dispersion and the subsequent fine dispersion omitted in the grinding device.
  • Both shafts are preferably driven by one and the same motor driven, which significantly simplifies the operational structure becomes. Suitable are then above the dispersing device Gear means are provided that allow the two Drive shafts separately or in parallel.
  • the annular channel has a rectangular dispersing device Cross section on.
  • Cross section On.
  • suitable cross-sectional shapes of the ring channel are conceivable, such as B. a round cross-section.
  • the cross-sectional shape of the Ring channel depends essentially on the required Flow characteristics.
  • Fig. 1 there is the inventive Dispersing device consisting of an essentially cylindrical, double-walled container 1 closed with a lid, a dissolver 2, an agitator ball mill 3 and more Cleaning nozzles 4.
  • the dissolver consists of a cylindrical shaft 21 which has a dissolver disk 22 at its lower end.
  • the dissolver disc is along its perimeter with several on the Circular surface alternately curved up and down Teeth 23 equipped.
  • the agitator ball mill 3 consists of a perforated sieve Housing 31 in which the grinding balls 32 are held.
  • the housing 31 is on its upper side with a circumferential Provide opening 33.
  • the housing 31 is shown in the Single-walled example, but can alternatively also double-walled or in another suitable manner be executed.
  • the housing forms a toroidal ring channel with a central hole 34.
  • the shaft 21 of the dissolver 2 runs through this hole 34.
  • Inside the ring channel are two circular washers 35 coaxial with the ring channel.
  • the annular disks 35 are interconnected by a web 36 connected.
  • the web 36 also connects the annular disks 35 with the hollow shaft 37.
  • the hollow shaft 37 becomes like the shaft 21 driven by a motor, not shown.
  • the Hollow shaft 37 and shaft 21 run coaxially with one another, wherein the shaft 21 runs inside the hollow shaft 37.
  • the container 1 is on its wall with several cleaning nozzles 4 provided.
  • Each cleaning nozzle 4 consists of a spray head 41, a hollow cylinder attached to the wall of the container 1 42 and a piston 43 guided in the hollow cylinder 42, the at its end facing the center of the container 1 Has spray head 41.
  • the ball mill 3 is held on its peripheral side by rods 39, by means of which it is represented by a not shown Drive device can be adjusted in height.
  • the Rods 39 are attached such that they adjust the height the agitator ball mill, but the rotation the annular discs 35 do not hinder.
  • agitator ball mill 3 In Fig. 1, the agitator ball mill 3 is in its upper Position so that this is not in connection with the dispersed material 5 is coming.
  • the hollow shaft 37 is not in this position driven.
  • the predispersion is only due to the rotation of the dissolver 2 causes the height can be adjusted to the appropriate process conditions guarantee. In this way, the pre-dispersion set the desired "donut effect".
  • the Circulation of the dispersed material 5 (represented by arrows) is not hindered by the agitator ball mill 3, so that efficient and quick predispersion by the dissolver 2 is carried out.
  • Fig. 2 the agitator ball mill 3 is in its lowered Position shown.
  • the agitator ball mill 3 will inside the container 1 through the rods 39 with the hollow shaft 37 adjusted in height and sunk into the dispersed material 5.
  • the agitator ball mill 3 is complete in the dispersed material 5 immersed, and the annular discs 35 are through the hollow shaft 37 in relation to the housing 31 of the agitator ball mill 3 set in rotation.
  • the annular discs 35 set the grinding balls 32 in motion, so that the grinding process is carried out within the agitator ball mill 3.
  • the dissolver 2 continues to provide circulation (using arrows shown) of the dispersed material 5, but is now preferred also a circulation through the perforated sieve Housing of the agitator ball mill 3 causes. This will make one Fine dispersion by the agitator ball mill 3 in the circulation process accomplished.
  • FIG. 3 shows the cleaning of the dispersing device according to the invention after pumping out the dispersed material a suitable pumping device, not shown, is shown.
  • a suitable pumping device for cleaning, run along the wall of the container 1 arranged spray heads 41 in the interior of the container inserted. This is done by placing the pistons 43 inside the hollow cylinder 42 axially along its longitudinal axis Center of the container 1 to be moved.
  • the pistons 43 are hollow on the inside and feed the cleaning liquid through Pressure generating means, not shown, for the spray heads 41.
  • the spray heads 41 spray cleaning agents through appropriately designed openings in the interior of the container 1 a. In this way, the walls and fixtures sprayed, and it comes to in the further course Fill the container 1 with the cleaning liquid.
  • the adhering to the dissolver 2 and the agitator ball mill 3 Particles of the dispersed material 5 are caused by the cleaning agent detached from the dispersing device. It forms a mixture of detergent and dispersant 5 am Bottom of the container 1, here called cleaning liquid 6 becomes.
  • the dissolver 2 and the agitator ball mill 3 are rotated in the cleaning liquid 6 as before, but this time to clean the components.
  • the central hole 34 the agitator ball mill 3 increases - compared to State of the art - the surface of the housing through which the cleaning liquid 6 into the interior of the agitator ball mill 3 can enter or pass through this.
  • the Cleaning process is through the design of the agitator ball mill 3 thus accelerated with a central hole 34.
  • the cleaning nozzles 4 can also be designed such that this during the spraying process into the interior of the hole 34 Agitator ball mill 3 are enough and so spraying the inner Perform periphery of the agitator ball mill 3, or such be arranged so that they alternate the outer and the inner Spray the periphery of the agitator ball mill 3. It can suitable holes can also be formed in the hollow shaft 21, through which a cleaning agent is sprayed.
  • the cleaning liquid 6 is pumped out, the cleaning nozzles 4 are pulled out of the container 1 and the agitator ball mill 3 is driven by the rod 39 move to its upper position.
  • the dispersing device is ready for use again.
  • FIG. 4 is an alternative embodiment of the invention Dispersing device shown.
  • One Shaft 44 drives both the ring washers 35 and dissolver disk 22 provided at its lower end.
  • This Embodiment represents the simplest and cheapest Realization of the dispersing device according to the invention.
  • the exemplary embodiments shown here all relate to Dispersing devices in which the housing is stationary and the agitator device is rotatable relative to this housing is arranged. It is also within the scope of the invention that Reverse kinematically training device. At such a dispersing device is the flow generating device trained stationary while the housing rotated relative to the stationary agitator device becomes.
  • the drive of the housing of the agitator device and / or the flow generating device takes place via suitable, drive means known to those skilled in the art, for example mechanical, electrical or magnetic drives.
  • a Dissolver and an agitator ball mill in one device combined.
  • the advantages of the state of the art central in the container arranged flow generating device maintained.
  • penetration the agitator ball mill through the drive shaft of the dissolver avoided.
  • the change from pre-dispersion to fine dispersion simplified and accelerated.
  • an arrangement of both devices as a completely closed system minimum space feasible. Solvents can Therefore, change of procedure does not escape.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

PCT No. PCT/DE96/01695 Sec. 371 Date Mar. 9, 1998 Sec. 102(e) Date Mar. 9, 1998 PCT Filed Sep. 5, 1996 PCT Pub. No. WO97/09115 PCT Pub. Date Mar. 13, 1997In order to reduce the conversion and cleaning effort between pre-dispersion by a dissolver (2) and fine dispersion by an agitating ball mill (3), it is proposed to combine both devices in a single container. The casing (31) of the agitating ball mill (3) is in the form of a toroidal annular channel with a central hole (34). The drive shaft (21) of the dissolver (2) runs through said central hole (34) in the agitating ball mill (3). Dispersion may take place in the dispersing device simultaneously or in succession. The agitating ball mill (3) is preferably lowered inside the container (1) along the common axis after a pre-determined time and caused to act on the substance to be dispersed (5).

Description

Die Erfindung betrifft eine Dispergiervorrichtung, bestehend aus einem Behälter zur Aufnahme und Bearbeitung eines Dispergiergutes, einer durch eine erste Welle antreibbaren Strömungserzeugungsvorrichtung, einer ein Mahlmedium enthaltenden Mahlvorrichtung, die ein Gehäuse mit Öffnungen aufweist, durch welche das Dispergiergut aufgrund der durch die Strömungserzeugungsvorrichtung erzeugten Strömung hindurchtreten kann, und einem in dem Gehäuse angeordnet und relativ zu diesem drehbaren Rührwerkzeug, wobei das Gehäuse der Mahlvorrichtung in Form eines Ringkanals ausgebildet ist, der ein zentrales Loch aufweist, und die Welle durch das zentrale Loch des Ringkanals verläuft. Daneben betrifft die Erfindung ein Verfahren zur Vor- und Feindispergierung eines fein- und feinstteiligen, festen Stoffes in einem Dispersionsmittel in einem Behälter zur Aufnahme des Dispergiergutes, wobei die Vordispergierung mittels eines Dissolvers und die Feindispergierung mittels einer Rührwerkskugelmühle erfolgt.The invention relates to a dispersing device from a container for receiving and processing a product to be dispersed, a flow generating device which can be driven by a first shaft, one containing a grinding medium Grinding device, which has a housing with openings, by which the dispersed material due to by the flow generating device generated flow can pass through, and one disposed in and relative to the housing rotatable stirring tool, the housing of the grinding device is formed in the form of an annular channel, which is a central Has hole, and the shaft through the central hole of the ring channel runs. The invention also relates to a method for pre- and fine dispersion of a fine and very fine, solid in a dispersant in a container to take up the dispersed material, the predispersion by means of a dissolver and the fine dispersion by means of an agitator ball mill is carried out.

Durch eine derartige Vorrichtung wird eine Verteilung von fein- und feinstteiligen, festen Bestandteilen in der flüssigen Phase erreicht.With such a device, a distribution of fine and finely divided, solid components in the liquid Phase reached.

Beim Dispergierprozeß laufen drei Teilschritte nebeneinander ab:

  • 1. die Benetzung der Oberfläche des einzuarbeitenden Feststoffes durch flüssige Bestandteile des Mahlgutes,
  • 2. die mechanische Zerteilung von Agglomeraten in kleinere Agglomerate und Primärpartikel und
  • 3. die Stabilisierung von Primärpartikeln, Agglomeraten und Agrregaten gegen erneute Zusammenlagerung (= Flockung).
    • In the dispersion process, three sub-steps run side by side:
  • 1. the wetting of the surface of the solid to be incorporated by liquid components of the ground material,
  • 2. the mechanical division of agglomerates into smaller agglomerates and primary particles and
  • 3. the stabilization of primary particles, agglomerates and agregates against renewed accumulation (= flocculation).

    • Obwohl sich die nachstehenden Ausführungen überwiegend auf die Dispergierung von Farben und Lacken beziehen, läßt sich diese Verfahrenstechnik analog auch auf andere Bereiche (z.B. Biologie, Lebensmitteltechnologie, Pharmazie, Agrochemie, keramische Industrie u.ä.) übertragen.Although the following explanations mainly relate to the Dispersion of paints and varnishes can be obtained Process engineering analogous to other areas (e.g. biology, Food technology, pharmacy, agrochemical, ceramic Industry etc.) transferred.

    Bei der Dispergierung von Farben ist es zum Beispiel von wirtschaftlichem Interesse, den Einsatz der kostenintensiveren, farbgebenden Primärteilchen so gering wie möglich zu halten. Die Farbwirkung und der Glanz werden um so intensiver, je besser dispergiert wird. Durch eine gute Dispergierung kann also z.B. der Einsatz der kostenintensiven, farbgebenden Primärteilchen durch die kostengünstigeren Sekundärteilchen verringert werden. Im Idealfall ist jedes Primärteilchen separat benetzt.When it comes to dispersing paints, for example, it is economical Interest, the use of the more expensive, to keep color-giving primary particles as low as possible. The color effect and the shine become all the more intense, ever is better dispersed. Good dispersion can e.g. e.g. the use of the cost-intensive, coloring primary particles reduced by the cheaper secondary particles become. Ideally, each primary particle is separate wetted.

    Aus der EP 526 699 A1 ist eine Dispergiervorrichtung der eingangs genannten Art bekannt.EP 526 699 A1 describes a dispersing device at the beginning known type known.

    Ferner ist aus der US-PS 5,184,783 eine derartige Mahlvorrichtung bekannt. In dieser Patentschrift wird eine Rührwerks-Tauchmühle offenbart, die nach dem Zirkulationsverfahren dispergiert. Sie besteht im wesentlichen aus einem verschleißfesten, mit Mahlkugeln gefüllten Siebkorb, der in einen doppelwandigen Behälter eintaucht. Durch die Mitte des Siebkorbs verläuft eine zylindrische Antriebswelle. Diese Antriebswelle treibt das in dem Siebkorb angeordnete als Stangen ausgebildete Rührwerkzeug an. Die Wände des Siebkorbs weisen eine siebartig perforierte Lochung auf. Furthermore, such a grinding device is known from US Pat. No. 5,184,783 known. In this patent there is an agitator immersion mill disclosed which dispersed by the circulation process. It essentially consists of a wear-resistant, sieve basket filled with grinding balls, which is in a double-walled Immersed container. Through the middle of the strainer runs a cylindrical drive shaft. This drive shaft drives the arranged in the sieve basket designed as rods Stirring tool. The walls of the strainer basket are sieve-like perforated perforation.

    Um die Zirkulation des Mahlmediums durch den Siebkorb zu ermöglichen, treibt die Antriebswelle neben dem Rührwerkzeug zudem eine Strömungserzeugungsvorrichtung an. Diese Strömungserzeugungsvorrichtung muß außerhalb des Siebkorbes gelegen sein, um eine ausreichende Strömung zu gewährleisten. Die Antriebswelle durchdringt also den Siebkorb. An der Durchdringungsstelle ist ein Trenn- und Dichtungssystem eingebaut, das den Austritt der Mahlkörper aus dem Sieb verhindert.In order to allow the grinding medium to circulate through the sieve basket, drives the drive shaft next to the mixing tool also a flow generating device. This flow generating device must be outside the strainer to ensure sufficient flow. The The drive shaft penetrates the strainer basket. At the penetration point a separation and sealing system is installed, that prevents the grinding media from escaping from the sieve.

    Die zentrale Anordnung der Strömungserzeugungsvorrichtung bringt eindeutige strömungstechnische Vorteile mit sich, da somit ein gleichmäßiges Durchströmen des gesamten Behälters sichergestellt wird.The central arrangement of the flow generating device brings clear advantages in terms of flow technology, because thus a uniform flow through the entire container is ensured.

    Zur Durchführung eines wirtschaftlichen Dispergierprozesses mit der aus dem Stand der Technik bekannten Dispergiervorrichtung muß das Dispergiergut jedoch vordispergiert werden. Vorzugsweise wird mit einer Dissolverscheibe vordispergiert, da insbesondere bei schwer dispergierbaren Agglomeraten, die im weiteren Verfahren noch den Einsatz der Mahlvorrichtung erfordern, eine optimale Vordispergierung aus wirtschaftlichen Gründen unerläßlich ist. Ein ungenügend vordispergiertes Produkt erfordert nicht nur längere Laufzeiten der aus dem Stand der Technik bekannten Mahlvorrichtung, sondern es werden oft nicht die erwünschten Feinheiten erreicht. Versäumnisse oder Fehler bei der Vordispergierung können in der Regel nicht durch andere Systeme ausgeglichen werden. Insbesondere deshalb, weil unzureichend vordispergierte Produkte bei der weiteren Verwendung der Mahlvorrichtung das Zusetzen der Löcher des Siebkorbes bewirken, wodurch die Zirkulation durch den Siebkorb erschwert oder sogar vollständig verhindert wird.To carry out an economical dispersion process with the dispersing device known from the prior art However, the dispersed material must be predispersed. Pre-dispersion is preferably carried out with a dissolver disc, since, in particular in the case of agglomerates which are difficult to disperse, the in the further process the use of the grinding device require optimal predispersion from economical Is essential. An insufficiently pre-dispersed product not only requires longer terms from the standstill the technology known grinder, but often did not achieve the desired subtleties. Omissions or Predispersion usually cannot be balanced by other systems. Especially because because insufficiently pre-dispersed products in the further Use the grinder to plug the holes of the strainer basket, which causes the circulation through the Sieve basket is difficult or even completely prevented.

    Von dem Dissolver kann aber häufig nur eine Vordispergierung vollzogen werden, d.h., daß das Dispergiergut nur bis zu einem gewissen Feinheitsgrad dispergiert werden kann. Für die weitere Dispergierung, die hier Feindispergierung genannt wird, muß eine Rührwerkskugelmühle oder eine ähnliche Mahlvorrichtung eingesetzt werden. Often only one predispersion can be made of the dissolver be carried out, i.e. that the dispersed material only up to one certain fineness can be dispersed. For the further Dispersion, which is called fine dispersion here, must an agitator ball mill or similar grinding device be used.

    Beim Wechsel von der Vordispergierung zur Feindispergierung müssen entweder die Behälter, welche das Dispergiergut enthalten, die jeweilige Antriebsvorrichtung für die Maschine oder die Werkzeuge ausgewechselt werden, oder das Dispergiergut muß aus dem Behält gepumpt und einer separaten Rührwerkskugelmühle zugeführt werden.When changing from predispersion to fine dispersion either the containers containing the dispersed material must the respective drive device for the machine or the tools have to be replaced or the material to be dispersed must be replaced pumped out of the container and a separate agitator ball mill be fed.

    Bei einem Produktwechsel, wie z.B. einem Farbwechsel von roter Farbe zu weißer Farbe, müssen zudem die gesamten Anlagen gereinigt werden. Bei der Reinigung der Kugelmühle ist das Trenn- und Dichtungssystem schwer zu reinigen. Der Wechsel- und der Reinigungsprozeß erzeugen so hohe Leerlaufzeiten und Kosten.When changing products, e.g. a color change from red Color to white color, the entire systems must also be cleaned become. When cleaning the ball mill that is Separation and sealing system difficult to clean. The change- and the cleaning process thus generate high idle times and Costs.

    Aufgabe der vorliegenden Erfindung ist es nunmehr, die nach dem Stand der Technik bekannte Dispergiervorrichtung derart weiterzuentwickeln, daß der Verfahrensprozeß erheblich vereinfacht und der Reinigungsaufwand reduziert wird.The object of the present invention is now that of known dispersing device such to develop further that the process process is considerably simplified and the cleaning effort is reduced.

    Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß die Mahlvorrichtung gegenüber der Strömungserzeugungsvorrichtung höhenverstellbar ist und daß die Mahlvorrichtung mittels der Höhenverstellung in das Dispergiergut eintauchbar und aus diesem wieder vollständig entfernbar ist, während die Strömungserzeugungsvorrichtung im Dispergiergut verbleibt.According to the invention this object is achieved in that the Grinding device opposite the flow generating device is adjustable in height and that the grinding device by means of Height adjustment can be immersed in and out of the dispersed material this is completely removable again while the flow generating device remains in the dispersed material.

    Üblicherweise weist die Strömungserzeugungsvorrichtung Mittel zum Dispergieren auf.The flow generating device usually has means to disperse on.

    In einer bevorzugten Ausführungsform der erfindungsgemäßen Dispergiervorrichtung weist das Gehäuse der Mahlvorrichtung ein offenes Profil auf, und das Rührwerk ist über mindestens einen Verbindungssteg, der durch das offene Profil verläuft, mit der Welle verbindbar.In a preferred embodiment of the invention Dispersing device has the housing of the grinding device an open profile, and the agitator is over at least a connecting bridge that runs through the open profile, connectable to the shaft.

    Durch die erfindungsgemäße Ausgestaltung der Dispergiervorrichtung kann die Antriebswelle für die Strömungserzeugungsvorrichtung zentral entlang der Rotationsachse des Siebkorbes verlaufen. Dadurch wird der strömungstechnische Vorteil der zentralen Anordnung der Strömungserzeugungsvorrichtung beibehalten.Due to the configuration of the dispersing device according to the invention can the drive shaft for the flow generating device centrally along the rotation axis of the screen basket run. This is the fluidic advantage of the Maintaining the central arrangement of the flow generating device.

    Auf den Einsatz des Trenn- und Dichtungssystems kann vollständig verzichtet werden, da das Gehäuse der Mahlvorrichtung nicht von der Welle durchdrungen wird. Die Reinigung der Mahlvorrichtung ist wesentlich leichter und schneller zu vollziehen.The use of the separation and sealing system can be complete to be dispensed with, since the housing of the grinding device is not penetrated by the wave. Cleaning the grinder is much easier and faster to do.

    In einer weiteren vorteilhaften Ausgestaltung der erfindungsgemäßen Dispergiervorrichtung weist das Gehäuse der Mahlvorrichtung ein offenes Profil auf, das Rührwerkzeug ist durch eine zweite Welle antreibbar und das Rührwerkzeug ist über mindestens einen Verbindungssteg, der durch das offene Profil verläuft, mit einer weiteren Welle verbindbar.In a further advantageous embodiment of the invention Dispersing device has the housing of the grinding device an open profile, the mixing tool is through a second shaft can be driven and the stirrer is over at least one connecting bridge through the open profile runs, connectable to another wave.

    Die weitere Welle ist vorzugsweise als Hohlwelle ausgestaltet, welche die Welle der Strömungserzeugungsvorrichtung umschließt. Auf diese Weise kann die außenliegende Hohlwelle das in dem Gehäuse der Mahlvorrichtung angeordnete Rührwerkzeug auf besonders einfache Art und Weise unabhängig von der Drehzahl der Antriebswelle der Strömungserzeugungsvorrichtung antreiben. Es können beide Wellen gleichzeitig oder jede separat voneinander angetrieben werden oder sogar im entgegengesetzten Drehsinn. Selbstverständlich ist auch eine kinematische Umkehr innerhalb der Mahlvorrichtung möglich, d.h., daß die gesamte Mahlvorrichtung relativ zu dem feststehenden Rührwerkzeug drehbar ist.The further shaft is preferably designed as a hollow shaft, which encloses the shaft of the flow generating device. In this way, the outer hollow shaft stirring tool arranged in the housing of the grinding device in a particularly simple way regardless of the speed the drive shaft of the flow generating device drive. Both waves can be used simultaneously or each separately are driven by each other or even in the opposite Sense of rotation. Of course there is also a kinematic one Reversal possible within the grinder, i.e. that the entire grinding device relative to the fixed stirring tool is rotatable.

    Das Rührwerkzeug ist in Abhängigkeit von der Dispergieraufgabe beliebig gestaltbar. Sie kann z.B. als Kreisringscheibe, Kreisringlochscheibe, Schlitzscheibe, Stifte u.äh. ausgebildet sein.The mixing tool depends on the dispersing task can be designed as required. It can e.g. as an annular disc, Annular ring disk, slotted disk, pins, etc. educated his.

    Vorzugsweise weist das Rührwerk mindestens eine koaxial zum Ringkanal verlaufende Kreisringscheibe auf, die sich im Ringkanal erstreckt. Das Rührwerkzeug gewährt damit eine kontinuierliche Bewegung des in dem Gehäuse angeordneten Mahlmediums.The agitator preferably has at least one coaxial with the Ring channel running circular washer, which is in the ring channel extends. The stirrer thus ensures a continuous Movement of the grinding medium arranged in the housing.

    In einer weiteren vorteilhaften Ausgestaltung der Erfindung weist die Strömungserzeugungsvorrichtung Mittel zum Dispergieren auf. Besonders vorteilhaft ist es dabei, wenn diese Mittel zum Dispergieren als Dissolverscheibe ausgebildet sind. Die Dissolverscheibe erzeugt dann zum einen die für den Betrieb der Dispergiervorrichtung notwendige Strömung und nimmt zudem eine Vordispergierung des Mahlmediums vor. Die Dissolverscheibe erfüllt eine besonders wichtige Aufgabe für die Dispergierung, nämlich die gleichmäßige Produktumwälzung bis in die Randzone des Mischbehälters. Eine Dissolverscheibe erfüllt die Aufgaben des Dispergierens, also das Auflösen von Agglomeraten und die Benetzung der Primärteilchen in der flüssigen Phase, auf besonders wirtschaftliche Art und Weise, da die Dispergierung deutlich schneller vollzogen wird als innerhalb der Mahlvorrichtung.In a further advantageous embodiment of the invention the flow generating device has means for dispersing on. It is particularly advantageous if these means are designed for dispersing as a dissolver disc. The Dissolver disc then generates the one for operation the dispersing device necessary flow and also takes predispersion of the grinding medium. The dissolver disc fulfills a particularly important task for dispersion, namely the uniform product circulation down to the Edge zone of the mixing container. A dissolver disc fulfills that Dispersion tasks, i.e. the dissolving of agglomerates and the wetting of the primary particles in the liquid phase, in a particularly economical way, since the dispersion is carried out significantly faster than within the grinding device.

    Die erfindungsgemäße Dispergiervorrichtung ist vorzugsweise so ausgestaltet, daß die Mahlvorrichtung höhenverstellbar ist und diese mittels der Höhenverstellung in das Dispergiergut eintauchbar und aus diesem wieder vollständig entfernbar ist. Auf diese Weise lassen sich die einzelnen Verfahrensschritte des Vor- und Feindispergierens vollständig getrennt voneinander durchführen, ohne daß dabei die zu dispergierenden Substanzen aus dem Behälter entfernt werden müssen oder eine Änderung der Rührwerkzeuge notwendig ist. Ein Wechsel zwischen Vordispergierung und Feindispergierung kann besonders schnell und wirtschaftlich vollzogen werden. Getrennte Behälter und Antriebsvorrichtungen für einen Dissolver und eine Rührwerkskugelmühle entfallen.The dispersing device according to the invention is preferably so designed that the grinding device is adjustable in height and these can be immersed in the dispersed material by means of the height adjustment and can be completely removed from it. On in this way, the individual process steps of the Pre- and fine dispersion completely separate from each other perform without the substances to be dispersed need to be removed from the container or a change in Mixing tools are necessary. A change between predispersion and fine dispersion can be particularly quick and economical be carried out. Separate containers and drive devices for a dissolver and an agitator ball mill omitted.

    In der erfindungsgemäßen Dispergiervorrichtung können beide Verfahren, das Vordispergieren mittels der Dissolverscheibe und das Feindispergieren mittels der Rührwerkskugelmühle, im Zirkulationsverfahren durchgeführt werden. Die Verfahren können dabei getrennt oder gleichzeitig vollzogen werden. Besonders letztere Variante ist in der erfindungsgemäßen Dispergiervorrichtung besonders einfach und wirtschaftlich realisierbar, da ein Wechsel der Rührgeräte oder Behälter zwischen der Vordispergierung und der sich anschließenden Feindispergierung in der Mahlvorrichtung entfällt.Both can in the dispersing device according to the invention Process, predispersion using the dissolver disc and the fine dispersion by means of the agitator ball mill, in Circulation procedures are carried out. The procedures can be carried out separately or simultaneously. Especially the latter variant is in the dispersing device according to the invention particularly simple and economical to implement, because a change of the mixing device or container between the pre-dispersion and the subsequent fine dispersion omitted in the grinding device.

    Vorzugsweise werden beide Wellen durch ein und denselben Motor angetrieben, wodurch der operative Aufbau deutlich vereinfacht wird. Oberhalb der Dispergiervorrichtung sind dann geeignete Getriebemittel vorgesehen, die es ermöglichen, die beiden Wellen separat voneinander oder parallel zueinander anzutreiben. Both shafts are preferably driven by one and the same motor driven, which significantly simplifies the operational structure becomes. Suitable are then above the dispersing device Gear means are provided that allow the two Drive shafts separately or in parallel.

    In der besonders bevorzugten Ausführungsform der erfindungsgemäßen Dispergiervorrichtung weist der Ringkanal einen rechteckigen Querschnitt auf. Selbstverständlich sind auch alle anderen geeigneten Querschnittsformen des Ringkanals denkbar, wie z. B. ein runder Querschnitt. Die Querschnittsform des Ringkanals richtet sich im wesentlichen nach den benötigten Strömungseigenschaften.In the particularly preferred embodiment of the invention The annular channel has a rectangular dispersing device Cross section on. Of course, everyone else is suitable cross-sectional shapes of the ring channel are conceivable, such as B. a round cross-section. The cross-sectional shape of the Ring channel depends essentially on the required Flow characteristics.

    Die Erfindung ist in der Zeichnung beispielsweise veranschaulicht und im nachstehenden anhand der Zeichnung beschrieben. Es zeigen:

    Fig. 1
    eine Frontansicht im Schnitt durch die erfindungsgemäße Dispergiervorrichtung bei der Vordispergierung,
    Fig. 2
    die gleiche Ansicht wie in Fig. 1 bei abgesenkter Rührwerkskugelmühle bei der Feindispergierung,
    Fig. 3
    die gleiche Ansicht wie in Fig. 1 bei der Reinigung der Dispergiervorrichtung und
    Fig. 4
    eine Frontansicht einer alternativen Ausführungsform der erfindungsgemäßen Dispergiervorrichtung.
    The invention is illustrated in the drawing, for example, and described below with reference to the drawing. Show it:
    Fig. 1
    2 shows a front view in section through the dispersing device according to the invention during predispersion,
    Fig. 2
    the same view as in Fig. 1 with the agitator ball mill lowered during the fine dispersion,
    Fig. 3
    the same view as in Fig. 1 when cleaning the dispersing device and
    Fig. 4
    a front view of an alternative embodiment of the dispersing device according to the invention.

    Wie aus Fig. 1 zu entnehmen ist, besteht die erfindungsgemäße Dispergiervorrichtung aus einem im wesentlichen zylindrischen, doppelwandigen, mit einem Deckel verschlossenen Behälter 1, einem Dissolver 2, einer Rührwerkskugelmühle 3 und mehreren Reinigungsdüsen 4.As can be seen from Fig. 1, there is the inventive Dispersing device consisting of an essentially cylindrical, double-walled container 1 closed with a lid, a dissolver 2, an agitator ball mill 3 and more Cleaning nozzles 4.

    Der Dissolver besteht aus einer zylindrischen Welle 21, die an ihrem unteren Ende eine Dissolverscheibe 22 aufweist. Die Dissolverscheibe ist entlang ihres Umfangs mit mehreren auf der Kreisfläche alternierend nach oben und nach unten gebogenen Zähnen 23 ausgestattet. The dissolver consists of a cylindrical shaft 21 which has a dissolver disk 22 at its lower end. The dissolver disc is along its perimeter with several on the Circular surface alternately curved up and down Teeth 23 equipped.

    Die Rührwerkskugelmühle 3 besteht aus einem siebartig perforierten Gehäuse 31, in dem die Mahlkugeln 32 gehalten werden. Das Gehäuse 31 ist an seiner oberen Seite mit einer ringsumlaufenden Öffnung 33 versehen. Das Gehäuse 31 ist in dem dargestellten Beispiel einwandig ausgebildet, kann aber alternativ auch doppelwandig oder in anderer geeigneter Art und Weise ausgeführt sein.The agitator ball mill 3 consists of a perforated sieve Housing 31 in which the grinding balls 32 are held. The housing 31 is on its upper side with a circumferential Provide opening 33. The housing 31 is shown in the Single-walled example, but can alternatively also double-walled or in another suitable manner be executed.

    Das Gehäuse bildet einen torusförmigen Ringkanal mit einem zentralen Loch 34. Die Welle 21 des Dissolvers 2 verläuft durch dieses Loch 34. Innerhalb des Ringkanals befinden sich zwei koaxial zum Ringkanal verlaufende Kreisringscheiben 35. Die Kreisringscheiben 35 sind durch einen Steg 36 miteinander verbunden. Der Steg 36 verbindet daneben die Kreisringscheiben 35 mit der Hohlwelle 37. Die Hohlwelle 37 wird wie die Welle 21 von einem nicht näher dargestellten Motor angetrieben. Die Hohlwelle 37 und die Welle 21 verlaufen koaxial zueinander, wobei die Welle 21 innerhalb der Hohlwelle 37 verläuft.The housing forms a toroidal ring channel with a central hole 34. The shaft 21 of the dissolver 2 runs through this hole 34. Inside the ring channel are two circular washers 35 coaxial with the ring channel. The annular disks 35 are interconnected by a web 36 connected. The web 36 also connects the annular disks 35 with the hollow shaft 37. The hollow shaft 37 becomes like the shaft 21 driven by a motor, not shown. The Hollow shaft 37 and shaft 21 run coaxially with one another, wherein the shaft 21 runs inside the hollow shaft 37.

    Der Behälter 1 ist an seiner Wand mit mehreren Reinigungsdüsen 4 versehen. Jede Reinigungsdüse 4 besteht aus einem Sprühkopf 41, einem an der Wand des Behälters 1 befestigten Hohlzylinder 42 und einem in dem Hohlzylinder 42 geführten Kolben 43, der an seinem zur Mitte des Behälters 1 gerichteten Ende einen Sprühkopf 41 aufweist.The container 1 is on its wall with several cleaning nozzles 4 provided. Each cleaning nozzle 4 consists of a spray head 41, a hollow cylinder attached to the wall of the container 1 42 and a piston 43 guided in the hollow cylinder 42, the at its end facing the center of the container 1 Has spray head 41.

    Die Kugelmühle 3 wird an ihrer Umfangsseite von Stangen 39 gehalten, mittels derer sie durch eine nicht näher dargestellte Antriebsvorrichtung in ihrer Höhe verstellt werden kann. Die Stangen 39 sind derart befestigt, daß sie die Höhenverstellung der Rührwerkskugelmühle ermöglichen, dabei aber die Rotation der Kreisringscheiben 35 nicht behindern.The ball mill 3 is held on its peripheral side by rods 39, by means of which it is represented by a not shown Drive device can be adjusted in height. The Rods 39 are attached such that they adjust the height the agitator ball mill, but the rotation the annular discs 35 do not hinder.

    In der Fig. 1 ist die Rührwerkskugelmühle 3 in ihrer oberen Position, so daß diese mit dem Dispergiergut 5 nicht in Verbindung kommt. Die Hohlwelle 37 wird in dieser Position nicht angetrieben. Die Vordispergierung wird lediglich durch die Rotation des Dissolvers 2 bewirkt, der dabei auch in seiner Höhe verstellt werden kann, um die geeigneten Prozeßbedingungen zu gewährleisten. Auf diese Weise kann sich der bei der Vordispergierung gewünschte "Doughnut-Effekt" einstellen. Die Zirkulation des Dispergiergutes 5 (durch Pfeile dargestellt) wird durch die Rührwerkskugelmühle 3 nicht behindert, so daß eine effiziente und schnelle Vordispergierung durch den Dissolver 2 vollzogen wird.In Fig. 1, the agitator ball mill 3 is in its upper Position so that this is not in connection with the dispersed material 5 is coming. The hollow shaft 37 is not in this position driven. The predispersion is only due to the rotation of the dissolver 2 causes the height can be adjusted to the appropriate process conditions guarantee. In this way, the pre-dispersion set the desired "donut effect". The Circulation of the dispersed material 5 (represented by arrows) is not hindered by the agitator ball mill 3, so that efficient and quick predispersion by the dissolver 2 is carried out.

    In der Fig. 2 ist die Rührwerkskugelmühle 3 in ihrer abgesenkten Position dargestellt. Die Rührwerkskugelmühle 3 wird innerhalb des Behälters 1 durch die Stangen 39 mit der Hohlwelle 37 höhenverstellt und in das Dispergiergut 5 eingesenkt. Die Rührwerkskugelmühle 3 ist in das Dispergiergut 5 vollständig eingetaucht, und die Kreisringscheiben 35 werden durch die Hohlwelle 37 im Verhältnis zum Gehäuse 31 der Rührwerkskugelmühle 3 in Rotation versetzt. Die Kreisringscheiben 35 setzen die Mahlkugeln 32 in Bewegung, so daß der Mahlprozeß innerhalb der Rührwerkskugelmühle 3 vollzogen wird. Der Dissolver 2 sorgt weiterhin für eine Zirkulation (durch Pfeile dargestellt) des Dispergiergutes 5, jedoch wird jetzt vorzugsweise auch eine Zirkulation durch das siebartig perforierte Gehäuse der Rührwerkskugelmühle 3 bewirkt. Dadurch wird eine Feindispergierung durch die Rührwerkskugelmühle 3 im Zirkulationsverfahren vollzogen.In Fig. 2 the agitator ball mill 3 is in its lowered Position shown. The agitator ball mill 3 will inside the container 1 through the rods 39 with the hollow shaft 37 adjusted in height and sunk into the dispersed material 5. The agitator ball mill 3 is complete in the dispersed material 5 immersed, and the annular discs 35 are through the hollow shaft 37 in relation to the housing 31 of the agitator ball mill 3 set in rotation. The annular discs 35 set the grinding balls 32 in motion, so that the grinding process is carried out within the agitator ball mill 3. The dissolver 2 continues to provide circulation (using arrows shown) of the dispersed material 5, but is now preferred also a circulation through the perforated sieve Housing of the agitator ball mill 3 causes. This will make one Fine dispersion by the agitator ball mill 3 in the circulation process accomplished.

    In der Fig. 3 wird die Reinigung der erfindungsgemäßen Dispergiervorrichtung nach dem Abpumpen des Dispergiergutes durch eine geeignete, nicht abgebildete Abpumpvorrichtung dargestellt. Zur Reinigung werden die entlang der Wand des Behälters 1 angeordneten Sprühköpfe 41 in den Innenraum des Behälters eingeschoben. Dieses erfolgt, indem die Kolben 43 innerhalb der Hohlzylinder 42 axial entlang ihrer Längsachse zum Zentrum des Behälters 1 hin verschoben werden. Die Kolben 43 sind innen hohl und führen die Reinigungsflüssigkeit durch ein nicht näher dargestelltes Druckerzeugungsmittel zu den Sprühköpfen 41. Die Sprühköpfe 41 sprühen Reinigungsmittel durch zweckmäßig ausgestaltete Öffnungen in das Innere des Behälters 1 ein. Auf diese Weise werden zunächst die Wände und Vorrichtungen abgesprüht, und es kommt im weiteren Verlauf zu einem Auffüllen des Behälters 1 mit der Reinigungsflüssigkeit. Die an dem Dissolver 2 und der Rührwerkskugelmühle 3 haftenden Partikel des Dispergiergutes 5 werden durch das Reinigungsmittel von der Dispergiervorrichtung gelöst. Es bildet sich eine Mischung aus Reinigungsmittel und Dispergiergut 5 am Boden des Behälters 1, die hier Reinigungsflüssigkeit 6 genannt wird. Der Dissolver 2 und die Rührwerkskugelmühle 3 werden in der Reinigungsflüssigkeit 6 wie zuvor rotiert, aber dieses Mal zur Reinigung der Bauteile. Das zentrale Loch 34 der Rührwerkskugelmühle 3 vergrößert dabei - im Vergleich zum Stand der Technik - die Oberfläche des Gehäuses, durch welche die Reinigungsflüssigkeit 6 in das Innere der Rührwerkskugelmühle 3 eintreten bzw. durch diese hindurchtreten kann. Der Reinigungsprozeß wird durch die Ausgestaltung der Rührwerkskugelmühle 3 mit einem zentralen Loch 34 somit beschleunigt.3 shows the cleaning of the dispersing device according to the invention after pumping out the dispersed material a suitable pumping device, not shown, is shown. For cleaning, run along the wall of the container 1 arranged spray heads 41 in the interior of the container inserted. This is done by placing the pistons 43 inside the hollow cylinder 42 axially along its longitudinal axis Center of the container 1 to be moved. The pistons 43 are hollow on the inside and feed the cleaning liquid through Pressure generating means, not shown, for the spray heads 41. The spray heads 41 spray cleaning agents through appropriately designed openings in the interior of the container 1 a. In this way, the walls and fixtures sprayed, and it comes to in the further course Fill the container 1 with the cleaning liquid. The adhering to the dissolver 2 and the agitator ball mill 3 Particles of the dispersed material 5 are caused by the cleaning agent detached from the dispersing device. It forms a mixture of detergent and dispersant 5 am Bottom of the container 1, here called cleaning liquid 6 becomes. The dissolver 2 and the agitator ball mill 3 are rotated in the cleaning liquid 6 as before, but this time to clean the components. The central hole 34 the agitator ball mill 3 increases - compared to State of the art - the surface of the housing through which the cleaning liquid 6 into the interior of the agitator ball mill 3 can enter or pass through this. The Cleaning process is through the design of the agitator ball mill 3 thus accelerated with a central hole 34.

    Die Reinigungsdüsen 4 können auch so ausgestaltet sein, daß diese beim Sprühvorgang bis in das Innere des Loches 34 der Rührwerkskugelmühle 3 reichen und so ein Besprühen der inneren Peripherie der Rührwerkskugelmühle 3 vollziehen, oder derart angeordnet sein, daß sie alternierend die äußere und die innere Peripherie der Rührwerkskugelmühle 3 besprühen. Es können auch geeignete Löcher in der Hohlwelle 21 ausgestaltet sein, durch welche ein Reinigungsmittel eingesprüht wird.The cleaning nozzles 4 can also be designed such that this during the spraying process into the interior of the hole 34 Agitator ball mill 3 are enough and so spraying the inner Perform periphery of the agitator ball mill 3, or such be arranged so that they alternate the outer and the inner Spray the periphery of the agitator ball mill 3. It can suitable holes can also be formed in the hollow shaft 21, through which a cleaning agent is sprayed.

    Nach dem Reinigungsprozeß wird die Reinigungsflüssigkeit 6 abgepumpt, die Reinigungsdüsen 4 werden aus dem Behälter 1 gezogen und die Rührwerkskugelmühle 3 wird mittels der Stange 39 in ihre obere Position verfahren. Die Dispergiervorrichtung ist so wieder einsatzbereit.After the cleaning process, the cleaning liquid 6 is pumped out, the cleaning nozzles 4 are pulled out of the container 1 and the agitator ball mill 3 is driven by the rod 39 move to its upper position. The dispersing device is ready for use again.

    In der Fig. 4 ist eine alternative Ausführungsform der erfindungsgemäßen Dispergiervorrichtung dargestellt. Eine einzige Welle 44 treibt sowohl die Kreisringscheiben 35 als auch die an ihrem unteren Ende versehene Dissolverscheibe 22 an. Diese Ausführungsform stellt die einfachste und kostengünstigste Realisierung der erfindungsgemäßen Dispergiervorrichtung dar. 4 is an alternative embodiment of the invention Dispersing device shown. One Shaft 44 drives both the ring washers 35 and dissolver disk 22 provided at its lower end. This Embodiment represents the simplest and cheapest Realization of the dispersing device according to the invention.

    Die hier dargestellten Ausführungsbeispiele betreffen allesamt Dispergiervorrichtungen, bei denen das Gehäuse stillstehend und die Rührwerksvorrichtung relativ zu diesem Gehäuse drehbar angeordnet ist. Es liegt auch im Rahmen der Erfindung, die Dispergiervorrichtung kinematisch umgekehrt auszubilden. Bei einer solchen Dispergiervorrichtung ist die Strömungserzeugungsvorrichtung stillstehend ausgebildet, während das Gehäuse relativ zu der stillstehenden Rührwerksvorrichtung gedreht wird. Der Antrieb des Gehäuses der Rührwerksvorrichtung und/oder der Strömungserzeugungsvorrichtung erfolgt über geeignete, dem Fachmann bekannte Antriebsmittel, so zum Beispiel mechanische, elektrische oder magnetische Antriebe.The exemplary embodiments shown here all relate to Dispersing devices in which the housing is stationary and the agitator device is rotatable relative to this housing is arranged. It is also within the scope of the invention that Reverse kinematically training device. At such a dispersing device is the flow generating device trained stationary while the housing rotated relative to the stationary agitator device becomes. The drive of the housing of the agitator device and / or the flow generating device takes place via suitable, drive means known to those skilled in the art, for example mechanical, electrical or magnetic drives.

    Durch die erfindungsgemäße Dispergiervorrichtung werden ein Dissolver und eine Rührwerkskugelmühle in einer Vorrichtung kombiniert. Die Vorteile der aus dem Stand der Technik zentral im Behälter angeordneten Strömungserzeugungsvorrichtung werden beibehalten. Daneben wird erfindungsgemäß eine Durchdringung der Rührwerkskugelmühle durch die Antriebswelle des Dissolvers vermieden. Der Wechsel von der Vor- zur Feindispergierung wird vereinfacht und beschleunigt. Zudem ist eine Anordnung von beiden Vorrichtungen als vollkommen geschlossenes System auf geringstem Raum realisierbar. Lösungsmittel können bei dem Verfahrenswechsel deshalb nicht entweichen. By means of the dispersing device according to the invention, a Dissolver and an agitator ball mill in one device combined. The advantages of the state of the art central in the container arranged flow generating device maintained. In addition, according to the invention, penetration the agitator ball mill through the drive shaft of the dissolver avoided. The change from pre-dispersion to fine dispersion simplified and accelerated. In addition, an arrangement of both devices as a completely closed system minimum space feasible. Solvents can Therefore, change of procedure does not escape.

    BezugszeichenlisteReference list

    11
    Behältercontainer
    22nd
    DissolverDissolver
    33rd
    RührwerkskugelmühleAgitator ball mill
    44th
    ReinigungsdüseCleaning nozzle
    55
    DispergiergutDispersed material
    66
    ReinigungsflüssigkeitCleaning fluid
    2121
    Wellewave
    2222
    DissolverscheibeDissolver disc
    2323
    Zähneteeth
    3131
    Gehäusecasing
    3232
    MahlkugelnGrinding balls
    3333
    Öffnungopening
    3434
    Lochhole
    3535
    KreisringscheibeCircular washer
    3636
    Stegweb
    3737
    HohlwelleHollow shaft
    3939
    Stangepole
    4141
    Sprühkopfspray nozzle
    4242
    HohlzylinderHollow cylinder
    4343
    Kolbenpiston
    4444
    Wellewave

    Claims (11)

    1. Dispersing device comprising a container (1) for receiving and processing a material to be dispersed (5), a flow-generating device drivable by a first shaft (21), a grinding device which contains a grinding medium and which has a housing with openings through which the material to be dispersed can pass owing to the flow generated by the flow-generating device, and an agitator tool which is arranged in the housing and is rotatable relative thereto, the housing (31) of the grinding device being in the form of an annular duct having a central hole (34), and the shaft (21) extending through the central hole (34) of the annular duct, characterised in that the grinding device is adjustable in height relative to the flow-generating device and in that, by means of the height adjustment, the grinding device is immersible in the material to be dispersed and is completely removable therefrom again, while the flow-generating device remains in the material to be dispersed.
    2. Dispersing device according to claim 1, characterised in that the housing (31) of the grinding device has an open profile, the agitator tool is drivable by a second shaft (37) and is connected to the second shaft (37) by means of at least one connecting web (36) extending through the open profile, and the second shaft (37) is a hollow shaft which surrounds the first shaft (21).
    3. Dispersing device according to claim 2, characterised in that the first and second shafts (21 and 37, respectively) are drivable by a common motor.
    4. Dispersing device according to any one of claims 1 to 3, characterised in that the agitator tool has at least one circular plate (35) which extends coaxially with the annular duct and which is arranged in the annular duct.
    5. Dispersing device according to any one of claims 1 to 4, characterised in that the grinding device is held at its circumferential side by rods (39) by means of which it is adjustable in height relative to the flow-generating device by a drive device, the rods being arranged in such a manner that they permit the height adjustment without hindering the rotation of the agitator tool relative to the housing of the grinding device.
    6. Dispersing device according to any one of claims 1 to 5, characterised in that the means for effecting dispersion are in the form of a dissolver plate (22).
    7. Process for the preliminary and fine dispersion of a fine-particled and extremely fine-particled solid substance in a dispersion means in a container (1) for receiving the material to be dispersed (5), the preliminary dispersion being effected by means of a dissolver and the fine dispersion being effected by means of an agitator ball mill, characterised in that, during the preliminary dispersion by means of the dissolver, the agitator ball mill is not brought into contact with the material to be dispersed and, after the preliminary dispersion, the agitator ball mill is, in the same container, brought into action with the material to be dispersed for the purpose of fine dispersion.
    8. Process according to claim 7, characterised in that, during the fine dispersion, the dissolver continues to act on the material to be dispersed and generates flow through the agitator ball mill.
    9. Process according to claim 7 or 8, characterised in that, during the preliminary dispersion, the agitator ball mill is positioned above the material to be dispersed located in the container and is not driven and, for the fine dispersion, it is lowered in the container for action with the material to be dispersed.
    10. Process according to claim 9, wherein the dissolver is driven by a first shaft and the agitator ball mill is driven by a second shaft arranged coaxially with the first, the first shaft (21) extending through the central opening of an agitator ball mill housing which is in the form of an annular duct, characterised in that, for the fine dispersion, the agitator ball mill is lowered by coaxial displacement of the second shaft relative to the first shaft.
    11. Dispersing device according to any one of claims 1 to 6, characterised in that the flow-generating device has means for effecting dispersion.
    EP96938007A 1995-09-09 1996-09-05 Dispersing device and process Expired - Lifetime EP0850106B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    SI9630185T SI0850106T1 (en) 1995-09-09 1996-09-05 Dispersing device and process

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19533369 1995-09-09
    DE19533369A DE19533369C2 (en) 1995-09-09 1995-09-09 Dispersing device and method
    PCT/DE1996/001695 WO1997009115A2 (en) 1995-09-09 1996-09-05 Dispersing device and process

    Publications (2)

    Publication Number Publication Date
    EP0850106A1 EP0850106A1 (en) 1998-07-01
    EP0850106B1 true EP0850106B1 (en) 2000-03-29

    Family

    ID=7771701

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96938007A Expired - Lifetime EP0850106B1 (en) 1995-09-09 1996-09-05 Dispersing device and process

    Country Status (11)

    Country Link
    US (1) US5967430A (en)
    EP (1) EP0850106B1 (en)
    JP (1) JP2949373B2 (en)
    AT (1) ATE191159T1 (en)
    DE (2) DE19533369C2 (en)
    DK (1) DK0850106T3 (en)
    ES (1) ES2144782T3 (en)
    GR (1) GR3033701T3 (en)
    PT (1) PT850106E (en)
    SI (1) SI0850106T1 (en)
    WO (1) WO1997009115A2 (en)

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US6830816B2 (en) 2001-03-30 2004-12-14 Degussa Ag Highly filled, pasty, composition containing silicoorganic nanohybrid and/or microhybrid capsules for scratch-resistant and/or abrasion-resistant coatings
    WO2006018168A1 (en) * 2004-08-19 2006-02-23 Vma-Getzmann Gmbh Dispersing apparatus

    Families Citing this family (18)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE29819508U1 (en) * 1998-11-02 1999-01-14 VMA-GETZMANN GmbH, 51580 Reichshof Dispersing device
    JP2004518642A (en) * 2000-12-06 2004-06-24 ファルマシア・コーポレーション Laboratory-scale pulverization process
    JP4703002B2 (en) * 2000-12-28 2011-06-15 ケイミュー株式会社 Water mixer
    AU2002312230A1 (en) * 2001-06-05 2002-12-16 Elan Pharma International Limited System and method for milling materials
    DE202008010125U1 (en) 2008-07-29 2009-12-03 Vma-Getzmann Gmbh Verfahrenstechnik Dispersing device with scraper
    DE102008063718B4 (en) 2008-12-19 2010-09-16 Kba-Metronic Aktiengesellschaft Ink tank with grinder
    CN101905131B (en) * 2010-07-27 2012-07-25 广州市合诚化学有限公司 Variable frequency low speed mixer and method for mixing materials with different stacking densities
    RU2563014C1 (en) * 2014-07-08 2015-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тихоокеанский государственный университет" Mixer
    JP5886929B1 (en) * 2014-10-23 2016-03-16 佐竹化学機械工業株式会社 Stirrer
    CN107963622B (en) * 2017-12-14 2020-08-11 宁波埃氪新材料科技有限公司 Carbon nanotube dispersion equipment
    CN108704518A (en) * 2018-05-30 2018-10-26 王胜梅 A kind of coating material production agitation mixer with steel ball agitation
    CN108905709A (en) * 2018-07-20 2018-11-30 濉溪县瑞智康农机科技有限公司 Print the agitating device to dust
    CN109550451B (en) * 2018-09-30 2021-03-12 中国水利水电科学研究院 Energy-conserving efficient pulping device for desulfurization
    CN112536097B (en) * 2020-11-20 2022-09-23 山东咏禾食品有限公司 Flour processing method
    CN113797803A (en) * 2021-09-23 2021-12-17 深圳宝峰印刷有限公司 Environment-friendly printing ink not prone to oxidative discoloration, and preparation method and device thereof
    CN114318949B (en) * 2021-11-29 2022-07-15 浙江五星纸业有限公司 Laminating paper applied to food packaging and production process of laminating paper
    CN116036909B (en) * 2022-07-19 2023-08-29 海南卓科制药有限公司 Ketorolac tromethamine injection preparation device and preparation process
    SE546042C2 (en) * 2022-11-21 2024-04-23 Paebbl Ab Milling high temperature and high pressure reactor

    Family Cites Families (14)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    ES282545A1 (en) * 1961-11-22 1963-02-01 Sevin Roger Joseph Procedure and apparatus for crushing (Machine-translation by Google Translate, not legally binding)
    GB1197583A (en) * 1967-07-17 1970-07-08 Andrew Szegvari Method of and Apparatus for Grinding Solid Particles
    US3826435A (en) * 1972-02-12 1974-07-30 Oliver And Batlle Sa Apparatus for dispersing pigments in a liquid phase
    GB1431620A (en) * 1973-08-11 1976-04-14 Draiswerke Gmbh Grinding mill
    US3892364A (en) * 1974-05-09 1975-07-01 Henry L Lomasney Apparatus and method for dispersing and comminuting the solid in a solid-liquid mixture
    US3989272A (en) * 1975-07-17 1976-11-02 Hesston Corporation Variable offset hitch
    DE2546146A1 (en) * 1975-10-15 1977-04-28 Netzsch Maschinenfabrik PROCEDURE FOR CONTINUOUS FINE GRINDING AND DISPERSING AND STIRRING MILLS FOR CARRYING OUT THE PROCESS
    US4044957A (en) * 1976-02-13 1977-08-30 Schold George R Apparatus for dispersing finely divided solid particles in a liquid vehicle
    US4741482A (en) * 1979-08-29 1988-05-03 Robot-Coupe S.A. Magnetic safety switch device for food processor
    JPH07106305B2 (en) * 1991-08-06 1995-11-15 株式会社井上製作所 Medium dispersion device
    US5184783A (en) * 1991-12-03 1993-02-09 Hockmeyer Equipment Corp. Basket media mill and method
    JP2575498Y2 (en) * 1993-01-08 1998-06-25 三井鉱山株式会社 Crusher structure
    JPH0731860A (en) * 1993-07-20 1995-02-03 Araki Tekko:Kk Dispersion apparatus
    US5662279A (en) * 1995-12-05 1997-09-02 Eastman Kodak Company Process for milling and media separation

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US6830816B2 (en) 2001-03-30 2004-12-14 Degussa Ag Highly filled, pasty, composition containing silicoorganic nanohybrid and/or microhybrid capsules for scratch-resistant and/or abrasion-resistant coatings
    WO2006018168A1 (en) * 2004-08-19 2006-02-23 Vma-Getzmann Gmbh Dispersing apparatus

    Also Published As

    Publication number Publication date
    JP2949373B2 (en) 1999-09-13
    DE19533369A1 (en) 1997-03-13
    WO1997009115A2 (en) 1997-03-13
    WO1997009115A3 (en) 1997-04-03
    DE19533369C2 (en) 1998-06-10
    GR3033701T3 (en) 2000-10-31
    DK0850106T3 (en) 2000-09-04
    EP0850106A1 (en) 1998-07-01
    SI0850106T1 (en) 2000-08-31
    US5967430A (en) 1999-10-19
    ATE191159T1 (en) 2000-04-15
    JPH11501573A (en) 1999-02-09
    ES2144782T3 (en) 2000-06-16
    DE59604847D1 (en) 2000-05-04
    PT850106E (en) 2000-08-31

    Similar Documents

    Publication Publication Date Title
    EP0850106B1 (en) Dispersing device and process
    DE10204921C1 (en) Dispersing apparatus
    DE19504772C2 (en) Stirring mill
    DE1237415B (en) Process for deagglomerating and dispersing solid particles in liquids
    WO1997009115B1 (en) Dispersing device and process
    DE202010003100U1 (en) Colloidal mixer, in particular for the treatment of building materials
    DE4006846C2 (en)
    EP1126908B1 (en) Dispersing device
    DE102008049265A1 (en) Mixer has mixing container and agitator arranged in mixing container, which is rotated by drive around agitator axis supported on mixing container or on cover
    DE10110910C1 (en) Mixer, used in production of pasty products, e.g. creams, ointments and emulsions, comprises mixing container, and outer/inner stirrer in container that rotates about symmetrical axis of container using drive
    DE60014523T2 (en) Dispersion device for materials
    DE69401414T2 (en) Uniform, one-piece, rotatable mixer and dispensing head
    DE3520040A1 (en) DEVICE FOR MIXING GOODS
    DE1557555A1 (en) Device for cleaning storage containers
    DE29518987U1 (en) Dispersing device
    DE19630186B4 (en) agitating mill
    DE4316301A1 (en) Grinding mill for dispersed metal oxide agglomerate - has numerous milling members on several stacked dispersion permeable separating floors in housing
    DE19834397B4 (en) agitating mill
    DE2146611A1 (en) REFRIGERATOR
    EP0260604B1 (en) Agitator mill
    EP0832682A1 (en) Apparatus for homogenizing and dispersing liquid phases
    DE10351358B3 (en) Scraper stirring unit comprises at least one stirring arm and scraper with one or two scraping edges
    EP0390809A1 (en) Grinding device.
    DE4235498A1 (en) Slidable boss mixing impeller - has improved cleaning access for bottom or side wall entry drive shafts in batch mixers
    DE2163699C3 (en) Agitator mill with pretreatment room

    Legal Events

    Date Code Title Description
    PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

    Free format text: ORIGINAL CODE: 0009012

    17P Request for examination filed

    Effective date: 19980217

    AK Designated contracting states

    Kind code of ref document: A1

    Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

    RAX Requested extension states of the european patent have changed

    Free format text: SI PAYMENT 980217

    17Q First examination report despatched

    Effective date: 19981125

    GRAG Despatch of communication of intention to grant

    Free format text: ORIGINAL CODE: EPIDOS AGRA

    GRAG Despatch of communication of intention to grant

    Free format text: ORIGINAL CODE: EPIDOS AGRA

    GRAG Despatch of communication of intention to grant

    Free format text: ORIGINAL CODE: EPIDOS AGRA

    GRAH Despatch of communication of intention to grant a patent

    Free format text: ORIGINAL CODE: EPIDOS IGRA

    GRAH Despatch of communication of intention to grant a patent

    Free format text: ORIGINAL CODE: EPIDOS IGRA

    GRAA (expected) grant

    Free format text: ORIGINAL CODE: 0009210

    AK Designated contracting states

    Kind code of ref document: B1

    Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

    AX Request for extension of the european patent

    Free format text: SI PAYMENT 19980217

    REF Corresponds to:

    Ref document number: 191159

    Country of ref document: AT

    Date of ref document: 20000415

    Kind code of ref document: T

    REG Reference to a national code

    Ref country code: CH

    Ref legal event code: EP

    REG Reference to a national code

    Ref country code: IE

    Ref legal event code: FG4D

    Free format text: GERMAN

    REF Corresponds to:

    Ref document number: 59604847

    Country of ref document: DE

    Date of ref document: 20000504

    REG Reference to a national code

    Ref country code: CH

    Ref legal event code: NV

    Representative=s name: KATZAROV S.A.

    ITF It: translation for a ep patent filed
    REG Reference to a national code

    Ref country code: ES

    Ref legal event code: FG2A

    Ref document number: 2144782

    Country of ref document: ES

    Kind code of ref document: T3

    GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

    Effective date: 20000620

    ET Fr: translation filed
    REG Reference to a national code

    Ref country code: PT

    Ref legal event code: SC4A

    Free format text: AVAILABILITY OF NATIONAL TRANSLATION

    Effective date: 20000531

    REG Reference to a national code

    Ref country code: DK

    Ref legal event code: T3

    PLBE No opposition filed within time limit

    Free format text: ORIGINAL CODE: 0009261

    STAA Information on the status of an ep patent application or granted ep patent

    Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

    26N No opposition filed
    REG Reference to a national code

    Ref country code: GB

    Ref legal event code: IF02

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: PT

    Payment date: 20020904

    Year of fee payment: 7

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: DK

    Payment date: 20020918

    Year of fee payment: 7

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: LU

    Payment date: 20020923

    Year of fee payment: 7

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: GR

    Payment date: 20020927

    Year of fee payment: 7

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: LU

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20030905

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: IE

    Payment date: 20030922

    Year of fee payment: 8

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: DK

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20030930

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: PT

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20040331

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: GR

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20040402

    REG Reference to a national code

    Ref country code: DK

    Ref legal event code: EBP

    REG Reference to a national code

    Ref country code: PT

    Ref legal event code: MM4A

    Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

    Effective date: 20040331

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: IE

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20040906

    REG Reference to a national code

    Ref country code: IE

    Ref legal event code: MM4A

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: FI

    Payment date: 20070920

    Year of fee payment: 12

    Ref country code: AT

    Payment date: 20070926

    Year of fee payment: 12

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: SE

    Payment date: 20070924

    Year of fee payment: 12

    Ref country code: NL

    Payment date: 20070917

    Year of fee payment: 12

    Ref country code: BE

    Payment date: 20070921

    Year of fee payment: 12

    BERE Be: lapsed

    Owner name: *GETZMANN HERMANN

    Effective date: 20080930

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: NL

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20090401

    Ref country code: FI

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20080905

    NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

    Effective date: 20090401

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: BE

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20080930

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: AT

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20080905

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: GB

    Payment date: 20090922

    Year of fee payment: 14

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: SE

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20080906

    GBPC Gb: european patent ceased through non-payment of renewal fee

    Effective date: 20100905

    REG Reference to a national code

    Ref country code: FR

    Ref legal event code: ST

    Effective date: 20110531

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: FR

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20100930

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: GB

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20100905

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: FR

    Payment date: 20091005

    Year of fee payment: 14

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: CH

    Payment date: 20110926

    Year of fee payment: 16

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: ES

    Payment date: 20120924

    Year of fee payment: 17

    Ref country code: IT

    Payment date: 20120926

    Year of fee payment: 17

    PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

    Ref country code: DE

    Payment date: 20121127

    Year of fee payment: 17

    REG Reference to a national code

    Ref country code: CH

    Ref legal event code: PL

    REG Reference to a national code

    Ref country code: DE

    Ref legal event code: R119

    Ref document number: 59604847

    Country of ref document: DE

    Effective date: 20140401

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: LI

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20130930

    Ref country code: CH

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20130930

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: IT

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20130905

    Ref country code: DE

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20140401

    REG Reference to a national code

    Ref country code: ES

    Ref legal event code: FD2A

    Effective date: 20141008

    PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

    Ref country code: ES

    Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

    Effective date: 20130906