EP1172149A1 - Fluidised bed-counter jet mill - Google Patents

Fluidised bed-counter jet mill Download PDF

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Publication number
EP1172149A1
EP1172149A1 EP01114088A EP01114088A EP1172149A1 EP 1172149 A1 EP1172149 A1 EP 1172149A1 EP 01114088 A EP01114088 A EP 01114088A EP 01114088 A EP01114088 A EP 01114088A EP 1172149 A1 EP1172149 A1 EP 1172149A1
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EP
European Patent Office
Prior art keywords
grinding
grinding container
jet mill
structural unit
bed counter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01114088A
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German (de)
French (fr)
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EP1172149B1 (en
Inventor
Georg Dipl.Ing. Ing. Konetzka (Grad.)
Hermann Eder
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Hosokawa Alpine AG
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Hosokawa Alpine AG
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Publication of EP1172149A1 publication Critical patent/EP1172149A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/06—Jet mills
    • B02C19/068—Jet mills of the fluidised-bed type

Definitions

  • the invention relates to fluidized bed counter-jet mills, which act as classifier mills are trained and relates to the design and arrangement of the components.
  • Fluid bed counter jet mills generally consist of a vertical axis cylindrical grinding container, with jet nozzles in the lower part of the grinding container are provided.
  • the jet nozzles are directed against each other in such a way that the Grinding material is sucked into the jets and with them is accelerated, due to mutual collisions between the Regrind is crushed by impact.
  • the viewing device is in generally designed as a centrifugal classifier, being particles that are finer than the separating grain size are, inside in the rotating paddle wheel of the classifier are transported and separated, whereas particles that are coarser than that Particle size are thrown off the rotating paddle wheel and in Grinding containers remain.
  • Such a classifier mill is e.g. known from DE 33 38 138 C2. It is as Fluid bed jet mill designed with one of internals for guiding the Grinding serving jets free grinding chamber, in the bottom area of a Nozzle with a vertical outlet, both for grinding and for Fluidization of the gas jet in the grinding chamber is arranged and up to such a height completely with the comminuting good is filled that good and gas as a fountain less Speed out of the bed, using this fountain for feeding one provided above the surface of the bed, regardless of Impulse of the operated jet emerging from the floor nozzle serves.
  • the Mouths in a plane perpendicular to the axis of the floor nozzle a circle coaxial to the axis of the floor nozzle are evenly distributed, and whose axes are at a point on the axis of the floor nozzle below the Cut the plane of the nozzle orifices.
  • the viewing device there is arranged in the upper part of the grinding container rotates around a vertical axis.
  • the classifier wheel works on the centrifugal force principle and separates sufficiently finely ground material from the regrind and transfers it a fine material discharge arranged above the classifier wheel Grinding container out. Furthermore, one is above the fines discharge arranged storage and drive device for the rotating classifier wheel available.
  • the object of the invention is therefore to provide a fluid bed counter jet mill To improve the viewing device so that it is easily accessible, simple and can be cleaned completely without great effort.
  • the fluid bed counter jet mill provides a classifier wheel arrangement before, together with the storage and drive device a structural unit forms and is detachably connected to the grinding container.
  • a structural unit forms and is detachably connected to the grinding container.
  • the unit moveable in relation to the grinding container by means of kinematic devices, that the classifier wheel through the fine material discharge upwards from the Grinding container can be removed.
  • the fine material discharge remains with the Grinding container connected.
  • the grinding container is therefore not in a plane between the lower part in the the grinding chamber is located and the upper part in which the viewing device is located is shared and made accessible, but the dividing level is located within the range of the viewing device. This has the advantage that not only the Grinding room is fully accessible, but also the viewing device from both outside and inside is accessible.
  • the classifying wheel can be pivoted through 180 ° be so that the classifier wheel and the grinding container are optimally accessible and can be easily cleaned.
  • the pivoting is achieved by a kinematics, the classifier wheel together with the storage and drive device initially vertically moves above and then by an angle greater than 90 °, preferably rotates up to 180 ° around an axis in the horizontal plane. Ideally, it runs Axis of rotation through the center of mass of the classifier wheel unit, Storage and drive device.
  • This opening principle can be advantageous not only in fluid bed counter-jet mills be, but e.g. also for impact mills with a rotating beater be used.
  • the classifier wheel is functional due to a rotating one Racket mechanism replaced and the container wall transfers at the level of the racket mechanism the circumference of the housing, the internal impact ribs or grinding tracks.
  • the Room with line connection arranged above the rotating racket mechanism serves as a grist inlet.
  • the grinding air ring line is for Distribution of the grinding air to the connections of the individual jet nozzles above the Jet nozzles, preferably arranged at the level of the classifier wheel.
  • This Arrangement avoids contamination of the grinding air ring line Product dusts.
  • grinding air lines are the same Height to the jet nozzles or arranged below, so that it is due to Backflows in the lines for sucking in regrind into the Grinding air ring line has come.
  • the connectors of the flexible are possible according to the invention Hose lines on the grinding air ring line opposite the connectors the nozzles arranged offset.
  • the staggered arrangement is such that when Loosen the fittings on the nozzles, the hoses due to the Align gravity in a vertical position while loosening the loosened ones Swing the connectors away from the nozzles. This will make the nozzle and the nozzle holder on the grinding container is easily accessible for cleaning purposes.
  • the corner weld is in Transition area from cylindrical grinding vessel wall and conical bottom with a flat weld seam on the vertical grinding vessel wall and on the conical wall of the floor.
  • annular one Stop plate welded between the grinding vessel wall and the bottom, which on her inner ring surface has a transition contour with a large radius, on which no material can attach and is easy to clean.
  • FIG. 1 shows a cross section of the fluidized bed counter jet mill according to the invention.
  • Fig.2 shows the unit of classifier wheel, as well as storage and Drive device in the closed state.
  • Fig.3 shows the unit of classifier wheel, as well as storage and Drive device in the open state in the 180 ° position.
  • FIG. 4 shows an opening sequence of the kinematics according to the invention.
  • Fig. 5 shows a view of the offset grinding air connections.
  • FIG 6 shows the stop plate according to the invention.
  • FIG 7 shows the opening principle according to the invention on an impact mill.
  • the classifier wheel 3 forms together with the classifier wheel bearing 4 and the Drive 14 is a structural unit which, by means of a bearing flange 5 via screws 8 is releasably connected to the mill 15.
  • the bearing flange 5 forms one tight seal for the fine material discharge area 1.
  • the bearing flange 5 is about a fit 6 centered relative to the mill housing 7.
  • the grinding air ring line 16 is on the outside of the mill housing 7 at the level of Classifier wheel 3 attached. Are over the circumference of the grinding air ring line 16 a plurality of connecting pieces 17 are arranged, on which elastic pressure hoses 9 are connected.
  • the pressure hoses 9 conduct the via the grinding air ring line 16 Compressed air supplied via connection 21 to each individual jet nozzle 12.
  • the pressure hoses 9 are connected to the additional connecting pieces 10 Jet nozzles 12 releasably connected.
  • the upper connectors 17 are on the circumference arranged offset relative to the lower connecting pieces 10, so that at Loosen the screw connection 13 on the connecting pieces 10 and the pressure hoses 9 due to gravity swivel into a vertical position and the Open the inlet openings to the jet nozzles 12 (see also Fig. 5).
  • Fig. 2 is the structural unit of the bearing flange 5, and bearing 4 - and Drive device 14 can be seen in the closed state.
  • the belt drive 18 connects the drive device 14 to the bearing 4 and translates the speed the drive device 14 to a suitable speed for the classifier wheel.
  • the pivoting device shown in FIG. 3 enables the structural unit to be rotated of classifier wheel 3, as well as bearing 4 and drive device 14 around the Rotation axis 19 through 180 °.
  • the axis of rotation of the classifying wheel 3 is then vertical aligned and the classifier wheel 3 is in an upward open position accessible.
  • the distance L and H of the rotary axis 19 from the center of the Cleaning opening 20 is selected so that the cleaning opening 20 is completely free lies and the interior is easily accessible.
  • the axis of rotation of the swivel device is preferably in or as close as possible to Mass.
  • the rotating working part 26 is included Impact beaters 27 equipped with one on the inner circumference of the grinding containers attached grinding track 28 cooperates.
  • the regrind is added via the inlet 29 into the feed chamber 30, from where the regrind to the Impact bat 27 is distributed.
  • the sealing 31 of the work spaces takes place between the feed space 30 and the grinding space 32.

Abstract

The flow bed counter flow mill is formed as a sieve mill with a sieve wheel (3) with the location and drive unit (4,14) formed as one composite entity releasably connected with the material container (15). The composite entity is so movable by kinematic devices in relation to the material container that the sieve wheel can be removed upwardly through the fine material outlet (1). The fine material outlet remains connected with the material container.

Description

Grundlage der Erfindung:Basis of the invention:

Die Erfindung bezieht sich auf Fließbett-Gegenstrahlmühlen, die als Sichtermühlen ausgebildet sind und betrifft die Gestaltung und Anordnung der Komponenten.The invention relates to fluidized bed counter-jet mills, which act as classifier mills are trained and relates to the design and arrangement of the components.

Fließbett-Gegenstrahlmühlen bestehen im allgemeinen aus einem vertikalachsigen zylindrischen Mahlbehälter, wobei im unteren Teil des Mahlbehälter Strahldüsen vorgesehen sind. Die Strahldüsen sind derart gegeneinander gerichtet, daß das im Mahlbehälter befindliche Mahlgut in die Strahlen eingesaugt und mit diesen beschleunigt wird, wobei es aufgrund gegenseitiger Kollisionen zwischen den Mahlgutteilchen durch Prall zerkleinert wird.Fluid bed counter jet mills generally consist of a vertical axis cylindrical grinding container, with jet nozzles in the lower part of the grinding container are provided. The jet nozzles are directed against each other in such a way that the Grinding material is sucked into the jets and with them is accelerated, due to mutual collisions between the Regrind is crushed by impact.

Um fertig gemahlenes Feingut aus der Mühle zu entfernen, wobei noch nicht ausreichend gemahlenes Gut in der Mühle verbleiben soll, ist im oberen Teil des Mahlbehälters eine Sichtvorrichtung vorhanden. Die Sichtvorrichtung ist im allgemeinen als Zentrifugalkraft-Sichter ausgebildet, wobei Teilchen, die feiner als die Trennkorngröße sind, nach innen in das rotierende Schaufelrad des Sichters transportiert und abtrennt werden, hingegen Teilchen die gröber sind als die Trennkorngröße vom rotierenden Schaufelrad abgeschleudert werden und im Mahlbehälter verbleiben.To remove finely ground fines from the mill, but not yet sufficient ground material should remain in the mill is in the upper part of the Grinding container has a viewing device. The viewing device is in generally designed as a centrifugal classifier, being particles that are finer than the separating grain size are, inside in the rotating paddle wheel of the classifier are transported and separated, whereas particles that are coarser than that Particle size are thrown off the rotating paddle wheel and in Grinding containers remain.

Stand der Technik:State of the art:

Eine derartige Sichtermühle ist z.B. aus DE 33 38 138 C2 bekannt. Sie ist als Fließbettstrahlmühle ausgebildet, mit einer von Einbauten zur Führung der der Mahlung dienenden Gastrahlen freien Mahlkammer, in deren Bodenbereich eine Düse mit senkrecht nach oben austretendem, sowohl zur Mahlung als auch zur Fluidisierung des in der Mahlkammer befindlichen Gutes dienendem Gasstrahl angeordnet ist und die bis zu einer solchen Höhe vollständig mit dem zu zerkleinerndem Gut gefüllt ist, daß Gut und Gas als Fontäne geringer Geschwindigkeit aus dem Gutbett austreten, wobei diese Fontäne zur Speisung eines oberhalb der Oberfläche des Gutbettes vorgesehenen, unabhängig vom Impuls des aus der Bodendüse austretenden Strahls betriebenen Sichters dient. Such a classifier mill is e.g. known from DE 33 38 138 C2. It is as Fluid bed jet mill designed with one of internals for guiding the Grinding serving jets free grinding chamber, in the bottom area of a Nozzle with a vertical outlet, both for grinding and for Fluidization of the gas jet in the grinding chamber is arranged and up to such a height completely with the comminuting good is filled that good and gas as a fountain less Speed out of the bed, using this fountain for feeding one provided above the surface of the bed, regardless of Impulse of the operated jet emerging from the floor nozzle serves.

Es sind dabei eine bestimmte Anzahl weiterer, unterhalb der Oberfläche des Gutbettes angeordnete und in diese mündende Strahldüsen vorgesehen, deren Mündungen in einer senkrecht zur Achse der Bodendüse verlaufenden Ebene auf einem zur Achse der Bodendüse koaxialen Kreis gleichmäßig verteilt liegen, und deren Achsen sich in einem Punkt auf der Achse der Bodendüse unterhalb der Ebene der Düsenmündungen schneiden.There are a certain number of others below the surface of the Gutbettes arranged and provided in this jet nozzles, the Mouths in a plane perpendicular to the axis of the floor nozzle a circle coaxial to the axis of the floor nozzle are evenly distributed, and whose axes are at a point on the axis of the floor nozzle below the Cut the plane of the nozzle orifices.

Die dortige Sichtvorrichtung ist im oberen Teil des Mahlbehälters angeordnet und rotiert um eine vertikale Achse. Das Sichterrad arbeitet nach dem Zentrifugalkraft-Prinzip und trennt ausreichend fein gemahlenes Gut vom Mahlgut und führt es über einen oberhalb des Sichterrades angeordneten Feingutaustrag aus dem Mahlbehälter heraus. Weiterhin ist eine oberhalb des Feingutaustrages angeordnete Lagerungs- und Antriebseinrichtung für das rotierende Sichterrad vorhanden.The viewing device there is arranged in the upper part of the grinding container rotates around a vertical axis. The classifier wheel works on the centrifugal force principle and separates sufficiently finely ground material from the regrind and transfers it a fine material discharge arranged above the classifier wheel Grinding container out. Furthermore, one is above the fines discharge arranged storage and drive device for the rotating classifier wheel available.

Nachteile im Stand der Technik, Aufgabe und Lösung der Erfindung:Disadvantages in the prior art, object and solution of the invention:

Bei den bis heute bekannten Fließbett-Gegenstrahlmühlen ist der gesamte Aufbau des Mahlbehälters und die Anordung der zugehörigen Komponenten nach rein verfahrenstechnischen Gesichtspunkten ausgelegt. Es besteht jedoch immer mehr Bedarf an verfahrenstechnischen Maschinen, die durch den Anwender leicht montiert und demontiert werden können und für eine gründliche Reinigung leicht zugänglich sein müssen.The entire structure of the fluid bed counter jet mills known to date of the grinding container and the arrangement of the associated components after pure procedural aspects. However, there is always more Need for procedural machinery that is easy by the user can be assembled and disassembled and easy for thorough cleaning must be accessible.

Besonders in der pharmazeutischen Industrie und bei der Tonerherstellung muß von einem Chargenbetrieb ausgegangen werden, wobei nur kleine Mengen von Produkt gemahlen werden und kurz darauf völlig andere Produkte in der selben Mühle verarbeitet werden sollen.Especially in the pharmaceutical industry and in toner production Batch operations are assumed, with only small quantities of Product will be ground and shortly afterwards completely different products in the same Mill to be processed.

So ist es z.B. beim Wechsel zu einem andersfarbigen Tonerprodukt, oder beim Wechsel pharmazeutischer Produkte unterschiedlicher Wirksamkeit zwingend erforderlich die gesamte Maschine gründlich zu reinigen, damit keine Restmengen des vorangegangen Produktes das anschließend zu mahlende Produkt kontaminiert. So it is e.g. when changing to a different colored toner product, or when Change of pharmaceutical products of different effectiveness is mandatory required to clean the entire machine thoroughly so that no residual quantities of the previous product, the product to be ground subsequently contaminated.

Die Reinigung der bisherigen Sichtermühlen ist umständlich und zeitaufwendig, insbesondere besteht ein hohes Risiko, daß noch geringe Mengen von Produkt auch nach der Reinigung in der Maschine verbleiben.The cleaning of the previous classifier mills is cumbersome and time-consuming, in particular, there is a high risk that even small amounts of product remain in the machine even after cleaning.

Aufgabe der Erfindung ist es deshalb, eine Fließbett-Gegestrahlmühle mit Sichteinrichtung derart zu verbessern, daß sie leicht zugänglich ist, einfach und ohne großen Aufwand vollständig gereinigt werden kann.The object of the invention is therefore to provide a fluid bed counter jet mill To improve the viewing device so that it is easily accessible, simple and can be cleaned completely without great effort.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. Weitere zusätzliche und vorteilhafte Ausgestaltungen sind den Unteransprüchen zu entnehmen.This object is solved by the features of claim 1. Further additional and advantageous refinements are to the dependent claims remove.

Beschreibung der Erfindung:Description of the invention:

Die erfindungsgemäße Fließbett-Gegenstrahlmühle sieht eine Sichterradanordnung vor, die zusammen mit der Lagerungs- und Antriebseinrichtung eine Baueinheit bildet und mit dem Mahlbehälter lösbar verbunden ist. Dabei ist die Baueinheit durch kinematische Einrichtungen gegenüber dem Mahlbehälter derart beweglich, daß das Sichterrad durch den Feingutaustrag hindurch nach oben aus dem Mahlbehälter entfernt werden kann. Der Feingutaustrag bleibt weiterhin mit dem Mahlbehälter verbunden.The fluid bed counter jet mill according to the invention provides a classifier wheel arrangement before, together with the storage and drive device a structural unit forms and is detachably connected to the grinding container. Here is the unit moveable in relation to the grinding container by means of kinematic devices, that the classifier wheel through the fine material discharge upwards from the Grinding container can be removed. The fine material discharge remains with the Grinding container connected.

Der Mahlbehälter wird also nicht in einer Ebene zwischen dem unteren Teil in dem sich der Mahlraum befindet und dem oberen Teil in dem sich die Sichtvorrichtung befindet geteilt und zugänglich gemacht, sondern die Trennebene befindet sich innerhalb des Bereichs der Sichtvorrichtung. Dies hat den Vorteil, daß nicht nur der Mahlraum gänzlich zugänglich wird, sondern auch die Sichtvorrichtung sowohl von außen als auch von innen zugänglich wird.The grinding container is therefore not in a plane between the lower part in the the grinding chamber is located and the upper part in which the viewing device is located is shared and made accessible, but the dividing level is located within the range of the viewing device. This has the advantage that not only the Grinding room is fully accessible, but also the viewing device from both outside and inside is accessible.

Durch die erfindungsgemäße Trennung der Sichtvorrichtung von dem Mahlbehälter wird sowohl das Sichterrad als auch das Innere des Feingutaustragsraums und die Sichterradwelle frei zugänglich. By separating the viewing device from the grinding container according to the invention both the classifier wheel and the interior of the fine material discharge area and the Classifier wheel shaft freely accessible.

Da der Feingutaustragsraum und die Feingutleitung weiterhin mit dem Mahlbehälter verbunden bleiben, müssen keine Versorgungsleitungen abgetrennt werden um den Mahlbehälter öffen zu können und zugänglich zu machen.Since the fines discharge area and the fines pipe continue with the Grinding containers remain connected, no supply lines have to be disconnected to be able to open the grinding container and make it accessible.

In einer bevorzugten Ausgestaltung kann das Sichterrad um 180° verschwenkt werden, so daß das Sichterrad und auch der Mahlbehälter optimal zugänglich werden und leicht gereinigt werden können.In a preferred embodiment, the classifying wheel can be pivoted through 180 ° be so that the classifier wheel and the grinding container are optimally accessible and can be easily cleaned.

Die Schwenkbarkeit wird erreicht durch eine Kinematik, die das Sichterrad zusammen mit der Lagerungs- und Antriebseinrichtung zunächst vertikal nach oben verschiebt und anschließend um einen Winkel größer als 90°, vorzugsweise bis 180° um eine Achse in horizontaler Ebene dreht. Im Idealfall verläuft die Drehachse durch den Massenschwerpunkt der Baueinheit von Sichterrad, Lagerungs- und Antriebseinrichtung.The pivoting is achieved by a kinematics, the classifier wheel together with the storage and drive device initially vertically moves above and then by an angle greater than 90 °, preferably rotates up to 180 ° around an axis in the horizontal plane. Ideally, it runs Axis of rotation through the center of mass of the classifier wheel unit, Storage and drive device.

Dieses Öffnungsprinzip kann nicht nur bei Fließbett-Gegestrahlmühlen vorteilhaft sein, sondern z.B. auch bei Prallmühlen mit einem rotierenden Schlägerwerk eingesetzt werden. Dabei ist funktional das Sichterrad durch ein rotierendes Schlägerwerk ersetzt und die Behälterwand trägt in Höhe des Schlägerwerks über den Umfang des Gehäuses die innenliegende Prallrippen oder Mahlbahnen. Der oberhalb des rotierenden Schlägerwerks angeordnete Raum mit Leitungsanschluß dient als Mahlguteinlauf.This opening principle can be advantageous not only in fluid bed counter-jet mills be, but e.g. also for impact mills with a rotating beater be used. The classifier wheel is functional due to a rotating one Racket mechanism replaced and the container wall transfers at the level of the racket mechanism the circumference of the housing, the internal impact ribs or grinding tracks. The Room with line connection arranged above the rotating racket mechanism serves as a grist inlet.

In einer weiteren Ausführungsvariante der Erfindung ist die Mahlluftringleitung zur Verteilung der Mahlluft auf die Anschlüsse der einzelnen Strahldüsen oberhalb der Strahldüsen, vorzugsweise in Höhe des Sichterrades angeordnet. Diese Anordnung vermeidet eine Verschmutzung der Mahlluftringleitung mit Produktstäuben. Bei den bisherigen Strahlmühlen sind Mahlluftleitung in gleicher Höhe zu den Strahldüsen oder unterhalb angeordnet, so daß es aufgrund von Rückströmungen in den Leitungen zum Einsaugen von Mahlgut in die Mahlluftringleitung gekommen ist. Um einen leichten Zugang zu den Düsen zu ermöglichen sind erfindungsgemäß die Anschlußstücke der flexiblen Schlauchleitungen an der Mahlluftringleitung gegenüber den Anschlußstücken an den Düsen versetzt angeordnet. Die versetzte Anordnung erfolgt derart, daß beim Lösen der Anschlußstücke an den Düsen, sich die Schläuche aufgrund der Schwerkraft in eine vertikale Lage ausrichten und dabei die gelösten Anschlußstücke von den Düsen seitlich wegschwenken. Dadurch wird die Düse und die Düsenhaltung am Mahlbehälter zu Reinigungszwecken leicht zugänglich.In a further embodiment of the invention, the grinding air ring line is for Distribution of the grinding air to the connections of the individual jet nozzles above the Jet nozzles, preferably arranged at the level of the classifier wheel. This Arrangement avoids contamination of the grinding air ring line Product dusts. In the previous jet mills, grinding air lines are the same Height to the jet nozzles or arranged below, so that it is due to Backflows in the lines for sucking in regrind into the Grinding air ring line has come. For easy access to the nozzles too The connectors of the flexible are possible according to the invention Hose lines on the grinding air ring line opposite the connectors the nozzles arranged offset. The staggered arrangement is such that when Loosen the fittings on the nozzles, the hoses due to the Align gravity in a vertical position while loosening the loosened ones Swing the connectors away from the nozzles. This will make the nozzle and the nozzle holder on the grinding container is easily accessible for cleaning purposes.

Für eine leichte Reinigung der Innenflächen des Mahlbehälters sind die Anzahl der Trennebenen minimiert. Die erforderlichen Schweißnähte sind in Positionen verlegt, die weniger Ansatzmöglichkeiten für Produkt bieten und somit ebenfalls leichter zu reinigen sind. So ist erfindungsgemäß die Eckschweißnaht im Übergangsbereich von zylindrischer Mahlbehälterwand und konischem Boden durch je eine ebene Schweißnaht an der senkrechten Mahlbehälterwand und an der konischen Wand des Bodens ersetzt. Dazu wird eine ringförmige Anschlagplatte zwischen Mahlbehälterwand und Boden geschweißt, die an ihrer inneren Ringfläche eine Übergangskontur mit großem Radius aufweist, an der sich kein Material ansetzten kann und die leicht zu reinigen ist.For easy cleaning of the inner surfaces of the grinding bowl, the number of Separation levels minimized. The required welds are in positions relocated, which offer fewer approaches to the product and thus also are easier to clean. According to the invention, the corner weld is in Transition area from cylindrical grinding vessel wall and conical bottom with a flat weld seam on the vertical grinding vessel wall and on the conical wall of the floor. For this, an annular one Stop plate welded between the grinding vessel wall and the bottom, which on her inner ring surface has a transition contour with a large radius, on which no material can attach and is easy to clean.

Erläuterung der Zeichnungen:Explanation of the drawings:

Fig.1 zeigt einen Querschnitt der erfindungsgemäßen Fließbett-Gegenstrahlmühle.1 shows a cross section of the fluidized bed counter jet mill according to the invention.

Fig.2 zeigt die Baueinheit von Sichterrad, sowie Lagerungs- und Antriebseinrichtung im geschlossenen Zustand.Fig.2 shows the unit of classifier wheel, as well as storage and Drive device in the closed state.

Fig.3 zeigt die Baueinheit von Sichterrad, sowie Lagerungs- und Antriebseinrichtung im geöffneten Zustand in der 180° Position.Fig.3 shows the unit of classifier wheel, as well as storage and Drive device in the open state in the 180 ° position.

Fig.4 zeigt eine Öffnungssequenz der erfindungsgemäßen Kinematik.4 shows an opening sequence of the kinematics according to the invention.

Fig.5 zeigt eine Ansicht der versetzt angeordneten Mahlluftanschlüsse.Fig. 5 shows a view of the offset grinding air connections.

Fig.6 zeigt die erfindungsgemäße Anschlagplatte.6 shows the stop plate according to the invention.

Fig.7 zeigt das erfindungsgemäße Öffnungsprinzip an einer Prallmühle.7 shows the opening principle according to the invention on an impact mill.

Detailierte Erklärung der Ausführungsformen, Beispiele:Detailed explanation of the embodiments, examples:

Fig.1 zeigt den Feingutaustragsraum 1, an den der Feingutaustritt 2 in einer räumlichen Lage zwischen Sichterrad 3 und Sichterradlagerung 4 angeschlossen ist. Das Sichterrad 3 bildet zusammen mit der Sichterradlagerung 4 und dem Antrieb 14 eine Baueinheit, die mit Hilfe eines Lagerflansches 5 über Schrauben 8 mit der Mühle 15 lösbar verbunden ist. Der Lagerflansch 5 bildet dabei einen dichten Abschluß für den Feingutaustragsraum 1. Der Lagerflansch 5 wird über eine Passung 6 gegenüber dem Mühlengehäuse 7 zentriert.1 shows the fine material discharge space 1 to which the fine material discharge 2 is located in one spatial position between classifier wheel 3 and classifier wheel bearing 4 connected is. The classifier wheel 3 forms together with the classifier wheel bearing 4 and the Drive 14 is a structural unit which, by means of a bearing flange 5 via screws 8 is releasably connected to the mill 15. The bearing flange 5 forms one tight seal for the fine material discharge area 1. The bearing flange 5 is about a fit 6 centered relative to the mill housing 7.

Die Mahlluftringleitung 16 ist außen am Mühlengehäuse 7 in Höhe des Sichterrades 3 angebracht. Über den Umfang der Mahlluftringleitung 16 sind mehrere Anschlußstücke 17 angeordnet, an denen elastische Druckschläuche 9 angeschlossen sind. Die Druckschläuche 9 leiten die über die Mahlluftringleitung 16 über den Anschluß 21 zugeführte Druckluft zu jeder einzelnen Strahldüse 12. Die Druckschläuche 9 sind über zusätzliche Anschlußstücke 10 mit den Strahldüsen 12 lösbar verbunden. Die oberen Anschlußstücke 17 sind am Umfang gegenüber den unteren Anschlußstücken 10 versetzt angeordnet, so daß bei Lösen der Verschraubung 13 an den Anschlußstücken 10 die Druckschläuche 9 aufgrund der Schwerkraft in eine senkrechte Lage schwenken und die Eintrittsöffnungen zu den Strahldüsen 12 freigeben (siehe auch Fig.5).The grinding air ring line 16 is on the outside of the mill housing 7 at the level of Classifier wheel 3 attached. Are over the circumference of the grinding air ring line 16 a plurality of connecting pieces 17 are arranged, on which elastic pressure hoses 9 are connected. The pressure hoses 9 conduct the via the grinding air ring line 16 Compressed air supplied via connection 21 to each individual jet nozzle 12. The pressure hoses 9 are connected to the additional connecting pieces 10 Jet nozzles 12 releasably connected. The upper connectors 17 are on the circumference arranged offset relative to the lower connecting pieces 10, so that at Loosen the screw connection 13 on the connecting pieces 10 and the pressure hoses 9 due to gravity swivel into a vertical position and the Open the inlet openings to the jet nozzles 12 (see also Fig. 5).

In Fig. 2 ist die die Baueinheit von Lagerflansch 5, sowie Lagerungs 4 - und Antriebseinrichtung 14 im geschlossenen Zustand zu sehen. Der Riementrieb 18 verbindet die Antriebseinrichtung 14 mit der Lagerung 4 und übersetzt die Drehzahl der Antriebseinrichtung 14 auf eine geeignete Drehzahl für das Sichterrad.In Fig. 2 is the structural unit of the bearing flange 5, and bearing 4 - and Drive device 14 can be seen in the closed state. The belt drive 18 connects the drive device 14 to the bearing 4 and translates the speed the drive device 14 to a suitable speed for the classifier wheel.

Die in Fig. 3 gezeigte Schwenkeinrichtung ermöglicht eine Drehung der Baueinheit von Sichterrad 3, sowie Lagerungs 4 - und Antriebseinrichtung 14 um die Drehachse 19 um 180°. Die Drehachse des Sichterrades 3 ist dann vertikal ausgerichtet und das Sichterrad 3 ist in einer nach oben offenen Position zugänglich. Der Abstand L und H der Drehachs 19 von der Mitte der Reingungsöffnung 20 ist so gewählt, daß die Reinigungsöffnung 20 vollständig frei liegt und der Innenraum gut zugänglich ist.The pivoting device shown in FIG. 3 enables the structural unit to be rotated of classifier wheel 3, as well as bearing 4 and drive device 14 around the Rotation axis 19 through 180 °. The axis of rotation of the classifying wheel 3 is then vertical aligned and the classifier wheel 3 is in an upward open position accessible. The distance L and H of the rotary axis 19 from the center of the Cleaning opening 20 is selected so that the cleaning opening 20 is completely free lies and the interior is easily accessible.

Der Öffnungsvorgang nach Fig. 4 ist so gesteuert, daß der Drehantrieb und der Vertikalantrieb der Schwenkeinrichtung gleichzeitig bewegt werden können. Die Drehachse der Schwenkeinrichtung liegt bevorzugt im bzw. möglichst nahe am Massenschwerpunkt. 4 is controlled so that the rotary drive and the Vertical drive of the swivel device can be moved simultaneously. The The axis of rotation of the swivel device is preferably in or as close as possible to Mass.

In Fig.6 ist im Übergang von zylindrischer Mahlbehälterwand der Mühle 15 und dem konischen Mahlbehälterboden 22 eine Anschlagplatte 23 vorgesehen, die eine Übergangsrundung 24 am inneren radialen Rand aufweist. Zur Erzielung eines schweißtechnisch günstigen Übergangs von Mahlbehälterwand zum konischen Mahlbehälterboden 22 sind auf der Ober- und Unterseite der Anschlagplatte 23 ringförmig um die Mühle 15 verlaufende Freistiche 25 angebracht, die die Anschlagplatte 23 auf die erforderliche Wandstärke der Mahlbehälterwand reduzieren.In Figure 6 is in the transition from cylindrical grinder wall of the mill 15 and the conical grinding vessel bottom 22 is provided with a stop plate 23 Has transition rounding 24 on the inner radial edge. To achieve a Favorable welding transition from the grinding container wall to the conical one Grinding container bottom 22 are on the top and bottom of the stop plate 23 ring-shaped undercuts 25 arranged around the mill 15, which the Stop plate 23 to the required wall thickness of the grinding container wall to reduce.

Die erfindungsgemäße Baueinheit kann gemäß Fig. 7 auch bei Mühlen mit Schlägerwerk Anwendung finden. Dazu ist das rotierende Arbeitsteil 26 mit Prallschlägern 27 bestückt, die mit einer am inneren Umfang des Mahlbehältern angebrachten Mahlbahn 28 zusammenwirkt. Die Mahlgutaufgabe erfolgt dabei über den Zulauf 29 in den Aufgaberaum 30, von wo aus das Mahlgut auf die Prallschläger 27 verteilt wird.Die Abdichtung 31 der Arbeitsräume erfolgt zwischen dem Aufgaberaum 30 und dem Mahlraum 32.7 can also be used in mills according to FIG Find racket application. For this purpose, the rotating working part 26 is included Impact beaters 27 equipped with one on the inner circumference of the grinding containers attached grinding track 28 cooperates. The regrind is added via the inlet 29 into the feed chamber 30, from where the regrind to the Impact bat 27 is distributed. The sealing 31 of the work spaces takes place between the feed space 30 and the grinding space 32.

Claims (9)

Fließbett-Gegenstrahlmühle, bestehend aus: einem Mahlbehälter zur Aufnahme von Mahlgut einer Anzahl nach innen gerichteter Gegenstrahldüsen, die im unteren Teil des Mahlbehälters angeordnet und derart ausgerichtet sind, daß sich die Strahlen in einem gemeinsamen Punkt treffen, zur Mahlung und Fluidisierung des im Mahlbehälter befindlichen Mahlgutes einer im oberen Teil des Mahlbehälters angeordneten Sichtvorrichtung mit einem um eine vertikale Achse rotierenden, nach dem Zentrifugalkraft-Prinzip arbeitenden Sichterrad, zur Abtrennung von ausreichend fein gemahlenem Gut vom Mahlgut einer Lagerungs- und Antriebseinrichtung für das rotierende Sichterrad einer Gutaufgabe zur Zuführung von Mahlgut in den Mahlbehälter einem oberhalb des Sichterrades angeordneten Feingutaustrag, zum Abführen des abgetrennten, ausreichend fein gemahlenen Gutes aus dem Mahlbehälter dadurch gekennzeichnet, daß das Sichterrad zusammen mit der Lagerungs- und Antriebseinrichtung eine Baueinheit bildet, die mit dem Mahlbehälter lösbar verbunden ist, wobei die Baueinheit durch kinematische Einrichtungen gegenüber dem Mahlbehälter derart beweglich ist, daß das Sichterrad durch den Feingutaustrag hindurch nach oben aus dem Mahlbehälter entfernt werden kann, wobei der Feingutaustrag weiterhin mit dem Mahlbehälter verbunden bleibt.Fluid bed counter jet mill, consisting of: a grinding container for holding regrind a number of inwardly directed counter-jet nozzles, which are arranged in the lower part of the grinding container and are oriented such that the jets meet at a common point, for grinding and fluidizing the material to be ground in the grinding container a classifying device arranged in the upper part of the grinding container with a classifying wheel rotating about a vertical axis and working according to the centrifugal force principle, for separating sufficiently finely ground material from the ground material a storage and drive device for the rotating classifier wheel a good task for feeding regrind into the grinding container a fine material discharge arranged above the classifying wheel, for removing the separated, sufficiently finely ground material from the grinding container characterized in that the classifier wheel together with the storage and drive device forms a structural unit which is detachably connected to the grinding container, the structural unit being movable relative to the grinding container by kinematic devices such that the classifying wheel passes through the fine material discharge upwards out of the grinding container can be removed, the fine material discharge remains connected to the grinding container. Fließbett-Gegenstrahlmühle nach Anspruch 1, dadurch gekennzeichnet, daß die Baueinheit von Lagerungs- und Antriebseinrichtung durch eine Hubeinrichtung linear in vertikaler Richtung verschiebbar und durch eine Dreheinrichtung um eine in der vertikalen Ebene liegende Achse schwenkbar ist.Fluid bed counter jet mill according to claim 1, characterized in that the structural unit of the bearing and drive device can be displaced linearly in the vertical direction by means of a lifting device and can be pivoted about an axis lying in the vertical plane by means of a rotating device. Fließbett-Gegenstrahlmühle nach Anspruch 2, dadurch gekennzeichnet, daß die Hubeinrichtung ein Hydraulikzylinder und die Dreheinrichtung ein Hydraulikmotor ist.Fluidized bed counter jet mill according to claim 2, characterized in that the lifting device is a hydraulic cylinder and the rotating device is a hydraulic motor. Fließbett-Gegenstrahlmühle nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Baueinheit von Lagerungs- und Antriebseinrichtung um ihren Massenschwerpunkt schwenkbar ist Fluidized bed counter jet mill according to claims 1 to 3, characterized in that the structural unit of the storage and drive device can be pivoted about its center of mass Fließbett-Gegenstrahlmühle nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Baueinheit von Lagerungs- und Antriebseinrichtung um 180° schwenkbar ist.Fluidized bed counter jet mill according to claims 1 to 3, characterized in that the structural unit of the bearing and drive device can be pivoted through 180 °. Fließbett-Gegenstrahlmühle nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Lage der Drehachse für die Baueinheit derart gewählt ist, daß nach dem Schwenken der Baueinheit die Reinigungsöffnung vollständig frei liegt.Fluidized bed counter jet mill according to claims 1 to 3, characterized in that the position of the axis of rotation for the structural unit is selected such that the cleaning opening is completely exposed after the structural unit has been pivoted. Fließbett-Gegenstrahlmühle nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Mahlluftringleitung oberhalb der Strahldüsen in Höhe des Sichterrades angeordnet ist.Fluidized bed counter jet mill according to claims 1 to 3, characterized in that the grinding air ring line is arranged above the jet nozzles at the level of the classifying wheel. Fließbett-Gegenstrahlmühle nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Mahlluftanschlüsse an der Mahlluftringleitung am Umfang gegenüber den Mahlluftanschlüssen der Strahldüsen versetzt angeordnet sind.Fluidized bed counter-jet mill according to claims 1 to 3, characterized in that the grinding air connections on the grinding air ring line are offset on the circumference relative to the grinding air connections of the jet nozzles. Fließbett-Gegenstrahlmühle nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß zwischen der zylindrischen Mahlbehälterwand und dem konischen Mahlbehälterboden eine Anschiagplatte vorgesehen ist, die eine Übergangsrundung am inneren radialen Rand aufweist und mit der zylindrischen Mahlbehälterwand und dem konischen Mahlbehälterboden mit stumpfen Stoß verschweißt ist.Fluidized bed counter-jet mill according to claims 1 to 3, characterized in that between the cylindrical grinding container wall and the conical grinding container base there is a flange plate which has a transition rounding on the inner radial edge and is butt welded to the cylindrical grinding container wall and the conical grinding container base.
EP01114088A 2000-07-11 2001-06-09 Fluidised bed-counter jet mill Expired - Lifetime EP1172149B1 (en)

Applications Claiming Priority (2)

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DE10033628 2000-07-11
DE10033628A DE10033628A1 (en) 2000-07-11 2000-07-11 Fluid-bed opposed jet mill

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AT (1) ATE381967T1 (en)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007098778A1 (en) * 2006-02-24 2007-09-07 Vitrabio Gmbh Process for producing a porous glass and glass powder and glass material for carrying out the process

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* Cited by examiner, † Cited by third party
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US7560218B2 (en) * 2004-10-01 2009-07-14 Kao Corporation Process for preparing toner
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US8858699B2 (en) 2006-07-13 2014-10-14 Unimin Corporation Ultra fine nepheline syenite powder and products for using same
US20080015104A1 (en) * 2006-07-13 2008-01-17 Unimin Corporation Ultrafine nepheline syenite
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US7757976B2 (en) * 2007-02-07 2010-07-20 Unimin Corporation Method of processing nepheline syenite powder to produce an ultra-fine grain size product
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DE102008030749B4 (en) * 2008-06-27 2019-03-07 Hosokawa Alpine Ag Grinding device with mill as a built-in module
US8091817B2 (en) * 2009-12-11 2012-01-10 Flsmidth A/S Milling device
ITMI20120092A1 (en) * 2012-01-26 2013-07-27 Micro Macinazione S A PHARMACO-CARRIER INCLUSION COMPOSITES PREPARED WITH MECHANICAL-CHEMICAL ACTIVATION PROCESS BY HIGH-ENERGY JET FLUID MILLS
DE102018008127B4 (en) 2018-10-13 2022-06-09 Hosokawa Alpine Aktiengesellschaft Die head and process for producing a multi-layer tubular film
DE102018009632B4 (en) 2018-12-11 2021-12-09 Hosokawa Alpine Aktiengesellschaft Apparatus for winding and changing laps of web material and a method therefor
DE102020006008B3 (en) 2020-10-01 2022-03-31 Hosokawa Alpine Aktiengesellschaft Fluidized bed opposed jet mill for the production of finest particles from feed material of low bulk density and method therefor
CN114011715B (en) * 2021-12-14 2022-12-06 昆山强威粉体设备有限公司 Grading wheel negative pressure discharging device of fluidized bed collision type jet mill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140294A1 (en) * 1981-10-10 1983-04-28 Alpine Ag, 8900 Augsburg Method and device for separating a mixture of materials into components having differing degrees of grindability
DE3338138A1 (en) * 1983-10-20 1985-05-09 Alpine Ag, 8900 Augsburg FLUID BED COUNTERMILL
DE4100338A1 (en) * 1991-01-08 1992-07-09 Nied Roland Measuring level of granular material in container - evaluating vibration properties of container, container wall or section of wall

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018388A (en) * 1976-05-13 1977-04-19 Andrews Norwood H Jet-type axial pulverizer
DE2641620B2 (en) * 1976-09-16 1978-12-14 Polysius Ag, 4720 Beckum Roller mill with classifier
JPH074557B2 (en) * 1990-10-23 1995-01-25 株式会社栗本鐵工所 Airflow grinding method using grinding media
JPH0615193A (en) * 1992-04-07 1994-01-25 Kyowa Shokuhin:Kk Jet mill
JP2000140674A (en) * 1998-11-13 2000-05-23 Iec:Kk Pneumatic pulverizer
US6398139B1 (en) * 1999-08-23 2002-06-04 Roland Nied Process for fluidized-bed jet milling, device for carrying out this process and unit with such a device for carrying out this process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140294A1 (en) * 1981-10-10 1983-04-28 Alpine Ag, 8900 Augsburg Method and device for separating a mixture of materials into components having differing degrees of grindability
DE3338138A1 (en) * 1983-10-20 1985-05-09 Alpine Ag, 8900 Augsburg FLUID BED COUNTERMILL
DE3338138C2 (en) 1983-10-20 1986-01-16 Alpine Ag, 8900 Augsburg Fluidized bed opposed jet mill
DE4100338A1 (en) * 1991-01-08 1992-07-09 Nied Roland Measuring level of granular material in container - evaluating vibration properties of container, container wall or section of wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007098778A1 (en) * 2006-02-24 2007-09-07 Vitrabio Gmbh Process for producing a porous glass and glass powder and glass material for carrying out the process

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JP2002035631A (en) 2002-02-05
EP1172149B1 (en) 2007-12-26
DE10033628A1 (en) 2002-01-24
DE50113409D1 (en) 2008-02-07
JP4778636B2 (en) 2011-09-21
ES2295085T4 (en) 2008-06-16
ATE381967T1 (en) 2008-01-15
US6543710B2 (en) 2003-04-08
US20020011534A1 (en) 2002-01-31
ES2295085T3 (en) 2008-04-16

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