EP1122357A2 - Refiner for defibrating fibrous pulps - Google Patents

Refiner for defibrating fibrous pulps Download PDF

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Publication number
EP1122357A2
EP1122357A2 EP01101563A EP01101563A EP1122357A2 EP 1122357 A2 EP1122357 A2 EP 1122357A2 EP 01101563 A EP01101563 A EP 01101563A EP 01101563 A EP01101563 A EP 01101563A EP 1122357 A2 EP1122357 A2 EP 1122357A2
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EP
European Patent Office
Prior art keywords
refiner
rotor
grinding
wedge carrier
refiner according
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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
EP01101563A
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German (de)
French (fr)
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EP1122357B1 (en
EP1122357A3 (en
Inventor
Peter Dipl.Ing. Antensteiner
Helmuth Dipl.Ing.Dr. Gabl
Gerald Ing. Schadler
Walter Writzl
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Andritz AG
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Andritz AG
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Priority to AT01101563T priority Critical patent/ATE287470T1/en
Publication of EP1122357A2 publication Critical patent/EP1122357A2/en
Publication of EP1122357A3 publication Critical patent/EP1122357A3/en
Application granted granted Critical
Publication of EP1122357B1 publication Critical patent/EP1122357B1/en
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/34—Other mills or refiners
    • D21D1/38—Other mills or refiners with horizontal shaft

Definitions

  • the invention relates to a refiner for comminuting fibrous materials grinding surfaces arranged on a rotor and a stator, the one form a cylindrical or conical grinding gap.
  • the refiner according to the invention is therefore characterized in that the setting of the grinding gap on the stator and on the rotor provided, mutually displaceable wedges. This will an axial movement, which is the same size over the circumference, into a corresponding radial movement converted. By this principle the exact same position of the knives is guaranteed.
  • An advantageous development of the invention is characterized in that that an axially displaceable wedge carrier is provided.
  • a favorable further development of the invention is characterized in that that a radially displaceable wedge carrier is provided. Through this Wedge carrier allows the corresponding axial movement in a radial Convert movement, and thus adjust the grinding gap exactly.
  • a favorable embodiment of the invention is characterized in that that the gap is continuously between 0 and 2 mm, preferably between 0 and 1 mm, for example between 0 and 0.5 mm, is adjustable. This allows an optimal adjustment of the grinding gap to the Properties of the fiber suspensions take place.
  • An advantageous embodiment of the invention is characterized in that that the gap can be adjusted up to 15 mm. It will also possible during start-up or when larger ones suddenly appear Particles to avoid damage to the grinding plates.
  • a favorable further development of the invention is characterized in that that the relative speed on the circumference 15-35 m / sec, preferably 20 - 30 m / sec.
  • a favorable embodiment of the invention is characterized in that that the speed of the rotor between 400 and 1,800 rpm, preferably between 500 and 1,000 rpm.
  • a double rotor is characterized in that the axial Slidable wedge carrier two wedges are provided, the oblique Areas on corresponding surfaces of the radially displaceable Wedge carrier slide.
  • An advantageous embodiment of the invention is characterized in that that the radially displaceable wedge carrier is divided into circular segments.
  • FIG. 1 shows a variant of the invention
  • Fig. 2 shows a variant with cone refiner
  • Fig. 3 shows a variant with double cylinder refiner
  • Fig. 4 shows another variant with double cylinder refiner
  • Fig. 7 and 8 variants with sliding 9 a side view
  • FIG. 10 a section through a cylinder refiner
  • FIG. 11 a double cylinder refiner with a central material feed
  • FIG. 12 a double cylinder refiner with a central material feed
  • FIG. 13 a further variant with a central material feed.
  • Fig. 1 shows schematically the adjustment mechanism in a refiner Single cylinder. It consists of an axially displaceable wedge carrier 1 and a radially displaceable wedge carrier 2, on which there is a grinding plate 5 is located. The counter grinding plate 5 'is located on the rotor 4. Die Power transmission of the adjustment mechanism takes place along an inclined Level. If the wedge carrier 1 is now axially displaced, it results from the power transmission on the wedge a radial displacement of the wedge carrier 2. This allows the gap 3 between the grinding plates 5 and 5 'to be precise can be set.
  • Fig. 2 shows an analog variant, with the rotor 4 as a cone rotor is trained. Accordingly, the grinding plates 5 and 5 'as Parts of a cone executed.
  • Fig. 3 now shows a variant with a double cylinder refiner.
  • a force on the axial displacement of the wedge carrier 1 Wedge carrier 2 applied which thereby moved in the radial direction becomes.
  • the grinding gap in the Operation is between 0 and 2 mm, for example 0.5 mm. in the In the event of major contamination or when starting up
  • the machine can open the gap up to 15 mm.
  • Fig. 4 shows a further variant of the employment with one Double cylinder refiner.
  • one elongated wedge here are two shorter wedges, each approximately the length of one of the cylindrical ones Correspond to grinding surfaces 5 ', attached to the wedge carrier 1.
  • the wedge carrier 2 in the area of these two cylindrical grinding surfaces 5 'inclined planes on which the wedge carrier 1 slides along.
  • the Operation is the same as in the previous variants, by moving the wedge carrier 1 in the axial direction as well the wedge carrier 2 is displaced in the radial direction.
  • Through the Splitting into two wedge surfaces is a better and more even one Power transmission and thus a much more precise setting of the Grinding gap 3 between the grinding plates 5 and 5 'possible.
  • FIG 5 and 6 show analogous configurations, with FIG from the center to the outside tapering cone rotor and in Fig. 6 conical rotor that widens outwards from the center become.
  • Fig. 7 shows a variant, the two on inclined planes wedge carriers running against each other are combined in the rotor.
  • an axially displaceable wedge carrier 6 is provided, which on a Wedge carrier 7 acts, which is adjustable in the radial direction and on the rotor located grinding plates 9 'carries.
  • the stator 10 with the counter grinding plates 9 remains constant, whereby between the grinding plates 9 and 9 ' the grinding gap 8 is set.
  • Fig. 8 shows another variant of the embodiment of FIG. 7, the Grinding plates 9 and 9 'form a conical grinding gap 8.
  • FIG. 9 shows a view of a refiner according to the invention, wherein here two sliding bolts 11 can be seen, with the aid of which the wedge carrier 1 is axially displaced.
  • the displacement bolts 11 are driven by a motor 13, the force of which is redirected by means of gears 12.
  • gear 12 is also a smooth adjustment of the Shift pin 11 reached.
  • the inlet 14 for the Fibrous suspension recognizable.
  • FIG. 10 shows a possible section through a rotor. It's the one here axially displaceable wedge carrier 1, the radially displaceable wedge carrier 2, the formed by the grinding plates 5 and 5 'grinding gap 3 and the rotor 4th recognizable.
  • the radially displaceable wedge carrier 2 slides on the inclined plane 15 between wedge carrier 1 and wedge carrier 2 and will along the edges of the triangular brackets 16 radially postponed.
  • FIG. 11 shows a possible fabric guide of a double cylinder refiner, the fabric being fed through nozzles 14 and 14 'and being removed again centrally through the nozzle 18.
  • the material is deflected on both sides by a disk 19 to the material feed channel and from there enters the grinding gap 3.
  • the same fabric guide is also possible with a double cone, which can be provided as an either expanding or tapering cone from the outer inlet to the central outlet.
  • FIG. 12 shows a possible material guide of a double cylinder refiner with the grinding gap adjustment according to the invention, the material being fed centrally through the material feed 14 ′ and being discharged again at both ends of the refiner through outlets 18 and 18 ′.
  • the variant according to FIG. 4 is shown here, the variant according to FIG. 3 can also be used.

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  • Paper (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
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Abstract

Die Erfindung betrifft einen Refiner zur Zerkleinerung von Faserstoffen mit auf einem Rotor 4 und einem Stator angeordneten Mahlflächen 5, 5', die einen zylindrischen oder kegelförmigen Mahlspalt 3 bilden. Sie ist vornehmlich dadurch gekennzeichnet, daß die Einstellung des Mahlspalts 3 durch am Stator und am Rotor 4 vorgesehene, gegeneinander verschiebbare Keile erfolgt. <IMAGE>The invention relates to a refiner for comminuting fibrous materials with grinding surfaces 5, 5 'arranged on a rotor 4 and a stator, which form a cylindrical or conical grinding gap 3. It is primarily characterized in that the setting of the grinding gap 3 is carried out by wedges which are provided on the stator and on the rotor 4 and can be displaced relative to one another. <IMAGE>

Description

Die Erfindung betrifft einen Refiner zur Zerkleinerung von Faserstoffen, mit auf einem Rotor und einem Stator angeordneten Mahlflächen, die einen zylinder- bzw. kegelförmigen Mahlspalt bilden.The invention relates to a refiner for comminuting fibrous materials grinding surfaces arranged on a rotor and a stator, the one form a cylindrical or conical grinding gap.

Zur Zeit werden Refiner meist in der Bauform der (Doppel-) Scheibe ausgeführt. Die Nachteile des Doppelscheibenrefiners sind die sich verändernde relative Geschwindigkeit entlang der Mahlzone, eine relativ hohe Leerlaufleistung und besonders bei niedrigen Durchsätzen Probleme mit der Zentrierung des Rotors. Weiters sind auch Kegelrefiner eingesetzt, wobei die bedeutendsten Nachteile dieser Ausführung die schlechte Pumpwirkung sind. Daraus folgen Durchsatzprobleme und in weiterer Folge die Notwendigkeit, die Nuten in den Mahlzonen zu vergrößern, was eine Verringerung der Kantenlänge bewirkt. Als weitere Nachteile können die relative Verschiebung der Messer beim Anstellen zueinander, die Notwendigkeit einer robusten Bauweise aufgrund der auftretenden Lagerkräfte und der Schwierigkeiten beim Garniturwechsel gesehen werden.At the moment refiners are mostly in the form of the (double) disc executed. The disadvantages of the double disc refiner are themselves changing relative speed along the grinding zone, a relative high idle power and problems especially with low throughputs with the centering of the rotor. Cone refiners are also used, the main disadvantages of this version are the bad ones Are pumping action. From this follow throughput problems and others Follow the need to enlarge the grooves in the grinding zones, what a reduction in the edge length causes. As a further disadvantage the relative displacement of the knives when queuing, which Need for a robust construction due to the occurring Bearing forces and the difficulties when changing the set seen become.

Ebenfalls bekannt sind sogenannte Zylinderrefiner, wie sie z. B. in der US 5,813,618 beschrieben sind. Bei diesem Typ können einige der genannten Nachteile vermieden werden, es muß jedoch sichergestellt sein, daß die Anstellung der Messer gleichmäßig erfolgt, um den gleichen Spalt und damit die gleichen Mahlbedingungen über den gesamten Umfang und axialer Mahlzonenlängen zu gewährleisten.Also known are so-called cylinder refiners, such as those used for. B. in the US 5,813,618. With this type some of the mentioned disadvantages are avoided, but it must be ensured be that the blades are evenly adjusted to the same Gap and thus the same grinding conditions over the entire Ensure circumference and axial grinding zone lengths.

Der erfindungsgemäßer Refiner ist daher dadurch gekennzeichnet, daß die Einstellung des Mahlspalts durch am Stator und am Rotor vorgesehene, gegeneinander verschiebbare Keile erfolgt. Dadurch wird eine axiale Bewegung, die über den Umfang gleich groß ist, in eine entsprechende radiale Bewegung umgewandelt. Durch dieses Prinzip ist die exakt gleiche Anstellung der Messer gewährleistet.The refiner according to the invention is therefore characterized in that the setting of the grinding gap on the stator and on the rotor provided, mutually displaceable wedges. This will an axial movement, which is the same size over the circumference, into a corresponding radial movement converted. By this principle the exact same position of the knives is guaranteed.

Eine vorteilhafte Weiterbildung der Erfindung ist dadurch gekennzeichnet, daß ein axial verschiebbarer Keilträger vorgesehen ist.An advantageous development of the invention is characterized in that that an axially displaceable wedge carrier is provided.

Eine günstige Weiterbildung der Erfindung ist dadurch gekennzeichnet, daß ein radial verschiebbarer Keilträger vorgesehen ist. Durch diese Keilträger läßt sich die entsprechende axiale Bewegung in eine radiale Bewegung umwandeln, und somit der Mahlspalt exakt einstellen.A favorable further development of the invention is characterized in that that a radially displaceable wedge carrier is provided. Through this Wedge carrier allows the corresponding axial movement in a radial Convert movement, and thus adjust the grinding gap exactly.

Eine günstige Ausgestaltung der Erfindung ist dadurch gekennzeichnet, daß der Spalt kontinuierlich zwischen 0 und 2 mm, vorzugsweise zwischen 0 und 1 mm, beispielsweise zwischen 0 und 0,5 mm, einstellbar ist. Dadurch kann immer eine optimale Anpassung des Mahlspaltes an die Eigenschaften der Faserstoffsuspensionen erfolgen.A favorable embodiment of the invention is characterized in that that the gap is continuously between 0 and 2 mm, preferably between 0 and 1 mm, for example between 0 and 0.5 mm, is adjustable. This allows an optimal adjustment of the grinding gap to the Properties of the fiber suspensions take place.

Eine vorteilhafte Ausgestaltung der Erfindung ist dadurch gekennzeichnet, daß der Spalt bis zu 15 mm eingestellt werden kann. Dadurch wird es möglich auch beim Anfahrbetrieb bzw. bei plötzlich eintretenden größeren Partikeln eine Beschädigung der Mahlplatten zu vermeiden.An advantageous embodiment of the invention is characterized in that that the gap can be adjusted up to 15 mm. It will also possible during start-up or when larger ones suddenly appear Particles to avoid damage to the grinding plates.

Eine günstige Weiterbildung der Erfindung ist dadurch gekennzeichnet, daß die Relativgeschwindigkeit am Umfang 15 - 35 m / sek , vorzugsweise 20 - 30 m / sek, beträgt.A favorable further development of the invention is characterized in that that the relative speed on the circumference 15-35 m / sec, preferably 20 - 30 m / sec.

Eine günstige Ausgestaltung der Erfindung ist dadurch gekennzeichnet, daß die Drehzahl des Rotors zwischen 400 und 1.800 UpM, vorzugsweise zwischen 500 und 1.000 UpM, beträgt. A favorable embodiment of the invention is characterized in that that the speed of the rotor between 400 and 1,800 rpm, preferably between 500 and 1,000 rpm.

Eine vorteilhafte Weiterbildung eines erfindungsgemäßen Refiners mit einem Doppelrotor ist dadurch gekennzeichnet, daß beim axial verschiebbaren Keilträger zwei Keile vorgesehen sind, deren schräge Flächen auf entsprechenden Flächen des radial verschiebbaren Keilträgers gleiten.An advantageous development of a refiner according to the invention a double rotor is characterized in that the axial Slidable wedge carrier two wedges are provided, the oblique Areas on corresponding surfaces of the radially displaceable Wedge carrier slide.

Eine vorteilhafte Ausgestaltung der Erfindung ist dadurch gekennzeichnet, daß der radial verschiebbare Keilträger in Kreissegmente aufgeteilt ist.An advantageous embodiment of the invention is characterized in that that the radially displaceable wedge carrier is divided into circular segments.

Die Erfindung wird nun an Hand der Zeichnungen beispielhaft beschrieben, wobei
Fig. 1 eine Variante der Erfindung, Fig. 2 eine Variante mit Kegelrefiner, Fig. 3 eine Variante mit Doppelzylinderrefiner, Fig. 4 eine weitere Variante mit Doppelzylinderrefiner, Fig. 5 und 6 Varianten mit Doppelkegelrefiner, Fig. 7 und 8 Varianten mit verschiebbarem Rotor, Fig. 9 eine Seitenansicht, Fig. 10 einen Schnitt durch einen Zylinderrefiner, Fig. 11 einen Doppelzylinderrefiner mit zentraler Stoffabfuhr, Fig. 12 einen Doppelzylinderrefiner mit zentraler Stoffzufuhr, und Fig. 13 eine weitere Variante mit zentraler Stoffzufuhr darstellen.The invention will now be described by way of example with reference to the drawings, in which
Fig. 1 shows a variant of the invention, Fig. 2 shows a variant with cone refiner, Fig. 3 shows a variant with double cylinder refiner, Fig. 4 shows another variant with double cylinder refiner, Fig. 5 and 6 variants with double cone refiner, Fig. 7 and 8 variants with sliding 9, a side view, FIG. 10 a section through a cylinder refiner, FIG. 11 a double cylinder refiner with a central material feed, FIG. 12 a double cylinder refiner with a central material feed, and FIG. 13 a further variant with a central material feed.

Fig. 1 zeigt schematisch den Anstellmechanismus bei einem Refiner mit Einfachzylinder. Er besteht aus einem axial verschiebbaren Keilträger 1 und einem radial verschiebbaren Keilträger 2, an dem sich eine Mahlplatte 5 befindet. Die Gegenmahlplatte 5' befindet sich am Rotor 4. Die Kraftübertragung des Anstellmechanismus erfolgt entlang einer schiefen Ebene. Wird nun der Keilträger 1 axial verschoben, so ergibt sich durch die Kraftübertragung am Keil eine radiale Verschiebung des Keilträgers 2. Dadurch kann der Spalt 3 zwischen den Mahlplatten 5 und 5' genau eingestellt werden. Fig. 1 shows schematically the adjustment mechanism in a refiner Single cylinder. It consists of an axially displaceable wedge carrier 1 and a radially displaceable wedge carrier 2, on which there is a grinding plate 5 is located. The counter grinding plate 5 'is located on the rotor 4. Die Power transmission of the adjustment mechanism takes place along an inclined Level. If the wedge carrier 1 is now axially displaced, it results from the power transmission on the wedge a radial displacement of the wedge carrier 2. This allows the gap 3 between the grinding plates 5 and 5 'to be precise can be set.

Fig. 2 zeigt eine analoge Variante, wobei hier der Rotor 4 als Kegelrotor ausgebildet ist. Dementsprechend sind auch die Mahlplatten 5 bzw. 5' als Teile eines Konus ausgeführt.Fig. 2 shows an analog variant, with the rotor 4 as a cone rotor is trained. Accordingly, the grinding plates 5 and 5 'as Parts of a cone executed.

Fig. 3 zeigt nun eine Variante mit einem Doppelzylinderrefiner. Auch hier wird durch die axiale Verschiebung des Keilträgers 1 eine Kraft auf den Keilträger 2 aufgebracht, der dadurch in radialer Richtung verschoben wird. Dadurch wird auch hier der Spalt 3 zwischen den Mahlplatten 5 des Stators und den Mahlplatten 5' des Rotors eingestellt. Der Mahlspalt im Betrieb beträgt dabei zwischen 0 und 2 mm, beispielsweise 0,5 mm. Im Fall einer größeren Verunreinigung bzw. auch beim Anfahren der Maschine kann der Spalt bis auf 15 mm geöffnet werden.Fig. 3 now shows a variant with a double cylinder refiner. Here too is a force on the axial displacement of the wedge carrier 1 Wedge carrier 2 applied, which thereby moved in the radial direction becomes. Characterized the gap 3 between the grinding plates 5 of the Stator and the grinding plates 5 'of the rotor. The grinding gap in the Operation is between 0 and 2 mm, for example 0.5 mm. in the In the event of major contamination or when starting up The machine can open the gap up to 15 mm.

Fig. 4 zeigt nun eine weitere Variante der Anstellung bei einem Doppelzylinderrefiner. Statt eines langgestreckten Keils werden hier zwei kürzere Keile, die jeweils in etwa der Länge einer der zylindrischen Mahlflächen 5' entsprechen, am Keilträger 1 angebracht. Als Gegenstück weist der Keilträger 2 im Bereich dieser beiden zylindrischen Mahlflächen 5' schräge Ebenen auf, an denen der Keilträger 1 entlang gleitet. Die Funktionsweise ist die gleiche wie bei den vorhergehenden Varianten, wobei durch Verschiebung des Keilträgers 1 in axialer Richtung ebenfalls eine Verschiebung des Keilträgers 2 in radialer Richtung erfolgt. Durch die Aufteilung auf zwei Keilflächen ist eine bessere und gleichmäßigere Kraftübertragung und damit eine wesentlich exaktere Einstellung des Mahlspalts 3 zwischen den Mahlplatten 5 und 5' möglich.Fig. 4 shows a further variant of the employment with one Double cylinder refiner. Instead of one elongated wedge, here are two shorter wedges, each approximately the length of one of the cylindrical ones Correspond to grinding surfaces 5 ', attached to the wedge carrier 1. As a counterpart has the wedge carrier 2 in the area of these two cylindrical grinding surfaces 5 'inclined planes on which the wedge carrier 1 slides along. The Operation is the same as in the previous variants, by moving the wedge carrier 1 in the axial direction as well the wedge carrier 2 is displaced in the radial direction. Through the Splitting into two wedge surfaces is a better and more even one Power transmission and thus a much more precise setting of the Grinding gap 3 between the grinding plates 5 and 5 'possible.

Fig. 5 und 6 zeigen analoge Ausgestaltungen, wobei bei Fig. 5 ein sich von der Mitte nach außen hin verjüngender Kegelrotor und in Fig. 6 ein sich von der Mitte nach außen hin erweiternder Kegelrotor eingesetzt werden. 5 and 6 show analogous configurations, with FIG from the center to the outside tapering cone rotor and in Fig. 6 conical rotor that widens outwards from the center become.

Fig. 7 zeigt eine Variante, wobei die beiden an schiefen Ebenen gegeneinander laufenden Keilträger im Rotor zusammengefaßt sind. Hier wird ein axial verschiebbarer Keilträger 6 vorgesehen, der auf einen Keilträger 7 wirkt, der in radialer Richtung verstellbar ist und die am Rotor befindlichen Mahlplatten 9' trägt. Der Stator 10 mit den Gegenmahlplatten 9 bleibt dabei konstant, wobei zwischen den Mahlplatten 9 und 9' der Mahlspalt 8 eingestellt wird.Fig. 7 shows a variant, the two on inclined planes wedge carriers running against each other are combined in the rotor. Here an axially displaceable wedge carrier 6 is provided, which on a Wedge carrier 7 acts, which is adjustable in the radial direction and on the rotor located grinding plates 9 'carries. The stator 10 with the counter grinding plates 9 remains constant, whereby between the grinding plates 9 and 9 ' the grinding gap 8 is set.

Fig. 8 zeigt eine andere Variante der Ausgestaltung nach Fig. 7, wobei die Mahlplatten 9 und 9' einen kegelförmigen Mahlspalt 8 bilden.Fig. 8 shows another variant of the embodiment of FIG. 7, the Grinding plates 9 and 9 'form a conical grinding gap 8.

Fig. 9 zeigt eine Ansicht eines erfindungsgemäßen Refiner, wobei hier zwei Verschiebebolzen 11 erkennbar sind, mit deren Hilfe der Keilträger 1 axial verschoben wird. Der Antrieb der Verschiebebolzen 11 erfolgt durch einen Motor 13, dessen Kraft mittels Getrieben 12 umgelenkt wird. Durch diese Getriebe 12 wird auch eine gleichmäßige Verstellung der Verschiebebolzen 11 erreicht. Weiters ist hier der Zulauf 14 für die Faserstoffsuspension erkennbar.9 shows a view of a refiner according to the invention, wherein here two sliding bolts 11 can be seen, with the aid of which the wedge carrier 1 is axially displaced. The displacement bolts 11 are driven by a motor 13, the force of which is redirected by means of gears 12. By this gear 12 is also a smooth adjustment of the Shift pin 11 reached. Furthermore, the inlet 14 for the Fibrous suspension recognizable.

Fig. 10 zeigt einen möglichen Schnitt durch einen Rotor. Es sind hier der axial verschiebbare Keilträger 1, der radial verschiebbare Keilträger 2, der durch die Mahlplatten 5 und 5' gebildete Mahlspalt 3 sowie der Rotor 4 kennbar. Der radial verschiebbare Keilträger 2 gleitet dabei auf der schiefen Ebene 15 zwischen Keilträger 1 und Keilträger 2 entlang und wird entlang den Kanten der dreieckförmigen Halterungen 16 radial verschoben.10 shows a possible section through a rotor. It's the one here axially displaceable wedge carrier 1, the radially displaceable wedge carrier 2, the formed by the grinding plates 5 and 5 'grinding gap 3 and the rotor 4th recognizable. The radially displaceable wedge carrier 2 slides on the inclined plane 15 between wedge carrier 1 and wedge carrier 2 and will along the edges of the triangular brackets 16 radially postponed.

Fig. 11 zeigt eine mögliche Stofführung eines Doppelzylinderrefiners, wobei der Stoff durch Stutzen 14 und 14' zugeführt und mittig durch den Stutzen 18 wieder abgeführt wird. Dabei wird der Stoff beidseits durch eine Scheibe 19 zum Stoffzufuhrkanal umgelenkt und tritt von dort in den Mahlspalt 3 ein. Die gleiche Stofführung ist auch mit einem Doppelkegel möglich, wobei dieser vom äußeren Einlaß zum mittigen Auslaß hin als ein sich entweder erweiternder oder verjüngender Konus vorgesehen sein kann.
Fig. 12 zeigt eine mögliche Stoffführung eines Doppelzylinderrefiners mit der erfindungsgemäßen Mahlspaltanstellung, wobei der Stoff mittig durch die Stoffzufuhr 14' zugeführt und an beiden Enden des Refiners durch Auslässe 18 bzw. 18' wieder abgeführt wird. Hier ist die Variante gemäß Fig. 4 dargestellt, es kann ebenfalls die Variante gemäß Fig. 3 eingesetzt werden.Fig. 11 shows a possible fabric guide of a double cylinder refiner, the fabric being fed through nozzles 14 and 14 'and being removed again centrally through the nozzle 18. The material is deflected on both sides by a disk 19 to the material feed channel and from there enters the grinding gap 3. The same fabric guide is also possible with a double cone, which can be provided as an either expanding or tapering cone from the outer inlet to the central outlet.
FIG. 12 shows a possible material guide of a double cylinder refiner with the grinding gap adjustment according to the invention, the material being fed centrally through the material feed 14 ′ and being discharged again at both ends of the refiner through outlets 18 and 18 ′. The variant according to FIG. 4 is shown here, the variant according to FIG. 3 can also be used.

Fig. 13 zeigt nun eine weitere Variante, wobei hier eine Kombination von zylindrischen und kegelförmigen Mahlzonen vorgenommen wird. Die übrigen Elemente entsprechen denen der Fig. 12.13 now shows a further variant, a combination of cylindrical and conical grinding zones is made. The other elements correspond to those in FIG. 12.

Claims (9)

Refiner zur Zerkleinerung von Faserstoffen mit auf einem Rotor und einem Stator angebrachten Mahlflächen, die einen zylindrischen bzw. kegelförmigen Mahlspalt bilden, dadurch gekennzeichnet, daß die Einstellung des Mahlspalts (3) durch am Stator und am Rotor (4) vorgesehene, gegeneinander verschiebbare Keile erfolgt.Refiner for shredding fibrous materials on a rotor and a grinding surface attached to a stator, which has a cylindrical or form a conical grinding gap, characterized in that the setting of the grinding gap (3) by on the stator and on Rotor (4) provided, mutually displaceable wedges. Refiner nach Anspruch 1, dadurch gekennzeichnet, daß ein axial verschiebbarer Keilträger (1) vorgesehen ist.Refiner according to claim 1, characterized in that an axial Slidable wedge carrier (1) is provided. Refiner nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein radial verschiebbarer Keilträger (2) vorgesehen ist.Refiner according to claim 1 or 2, characterized in that a radially displaceable wedge carrier (2) is provided. Refiner nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Mahlspalt (3) kontinuierlich zwischen 0 und 2 mm, vorzugsweise zwischen 0 und 1 mm, beispielsweise zwischen 0 und 0,5 mm einstellbar, ist.Refiner according to one of claims 1 to 3, characterized characterized in that the grinding gap (3) continuously between 0 and 2 mm, preferably between 0 and 1 mm, for example is adjustable between 0 and 0.5 mm. Refiner nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Mahlspalt (3) bis zu 15 mm eingestellt wird.Refiner according to one of claims 1 to 3, characterized characterized in that the grinding gap (3) is set up to 15 mm becomes. Refiner nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Relativgeschwindigkeit am Umfang 15 bis 35 m / sek, vorzugsweise 20 bis 30 m / sek, beträgt.Refiner according to one of claims 1 to 5, characterized characterized in that the relative speed on the circumference 15 to 35 m / sec, preferably 20 to 30 m / sec. Refiner nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Drehzahl des Rotors (4) zwischen 400 und 1.800 UpM, vorzugsweise zwischen 500 und 1.000 UpM, beträgt. Refiner according to one of claims 1 to 6, characterized characterized in that the speed of the rotor (4) between 400 and 1,800 rpm, preferably between 500 and 1,000 rpm. Refiner nach einem der Ansprüche 1 bis 7 mit einem Doppelrotor, dadurch gekennzeichnet, daß am axial verschiebbaren Keilträger (1) zwei Keile vorgesehen sind, deren schräge Flächen auf entsprechenden Flächen des radial verschiebbaren Keilträgers (2) gleiten.Refiner according to one of Claims 1 to 7 with a double rotor, characterized in that on the axially displaceable wedge carrier (1) Two wedges are provided, the sloping surfaces of which corresponding surfaces of the radially displaceable wedge carrier (2) slide. Refiner nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der radial verschiebbare Keilträger (2) in Kreissegmente aufgeteilt ist.Refiner according to one of claims 1 to 8, characterized characterized in that the radially displaceable wedge carrier (2) in Circle segments is divided.
EP01101563A 2000-02-03 2001-01-25 Refiner for defibrating fibrous pulps Expired - Lifetime EP1122357B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT01101563T ATE287470T1 (en) 2000-02-03 2001-01-25 REFINER FOR SHREDDING FIBER MATERIALS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT164002000 2000-02-03
AT0016400A AT408768B (en) 2000-02-03 2000-02-03 REFINER FOR MILLING FIBER FIBERS

Publications (3)

Publication Number Publication Date
EP1122357A2 true EP1122357A2 (en) 2001-08-08
EP1122357A3 EP1122357A3 (en) 2001-11-28
EP1122357B1 EP1122357B1 (en) 2005-01-19

Family

ID=3652924

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Application Number Title Priority Date Filing Date
EP01101563A Expired - Lifetime EP1122357B1 (en) 2000-02-03 2001-01-25 Refiner for defibrating fibrous pulps

Country Status (8)

Country Link
US (1) US6565027B2 (en)
EP (1) EP1122357B1 (en)
CN (1) CN1184375C (en)
AT (2) AT408768B (en)
BR (1) BR0100355A (en)
CA (1) CA2333798A1 (en)
DE (1) DE50105089D1 (en)
ES (1) ES2236059T3 (en)

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AT408769B (en) * 2000-02-03 2002-03-25 Andritz Ag Maschf REFINER
DE102005013693A1 (en) 2005-03-21 2006-09-28 Cvp Clean Value Plastics Gmbh Process and plant for producing a pulp from agglomerated mixed plastic
SE530009C2 (en) * 2006-06-01 2008-02-05 Metso Paper Inc Apparatus for the alignment of a grinder's shaft device
JP5207702B2 (en) * 2006-10-20 2013-06-12 キヤノン株式会社 Image forming apparatus
DE102013000592B4 (en) 2013-01-16 2022-10-13 Cvp Clean Value Plastics Gmbh Process for removing contaminants from plastic scraps
CN103061190B (en) * 2013-01-16 2015-01-07 苏州飞宇精密科技股份有限公司 Cylindrical single-grinding grinder
CN103061189B (en) * 2013-01-16 2015-01-07 苏州飞宇精密科技股份有限公司 Cylindrical pulping machine with double pulping areas
CN103061188B (en) * 2013-01-16 2014-12-10 苏州飞宇精密科技股份有限公司 Pulping blade of pulping machine and machining method of pulping blade
CN103362013A (en) * 2013-04-03 2013-10-23 上海尚鼎机械科技有限公司 Gap adjustment optimizing structure of cylindrical refiner
CN107022919B (en) * 2017-05-27 2019-04-05 安德里茨（中国）有限公司 Runner and fiberizer

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Also Published As

Publication number Publication date
AT408768B (en) 2002-03-25
EP1122357B1 (en) 2005-01-19
CN1311371A (en) 2001-09-05
BR0100355A (en) 2001-10-02
CN1184375C (en) 2005-01-12
ES2236059T3 (en) 2005-07-16
CA2333798A1 (en) 2001-08-03
US6565027B2 (en) 2003-05-20
ATE287470T1 (en) 2005-02-15
US20010022329A1 (en) 2001-09-20
ATA1642000A (en) 2001-07-15
DE50105089D1 (en) 2005-02-24
EP1122357A3 (en) 2001-11-28

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