EP2616584A2 - Pulper comprising a screening sheet - Google Patents

Pulper comprising a screening sheet

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Publication number
EP2616584A2
EP2616584A2 EP11801562.7A EP11801562A EP2616584A2 EP 2616584 A2 EP2616584 A2 EP 2616584A2 EP 11801562 A EP11801562 A EP 11801562A EP 2616584 A2 EP2616584 A2 EP 2616584A2
Authority
EP
European Patent Office
Prior art keywords
pulper
openings
different
sieve
areas
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
EP11801562.7A
Other languages
German (de)
French (fr)
Other versions
EP2616584B1 (en
Inventor
Hans-Joachim Boltersdorf
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Individual
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Individual
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Publication date
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Publication of EP2616584A2 publication Critical patent/EP2616584A2/en
Application granted granted Critical
Publication of EP2616584B1 publication Critical patent/EP2616584B1/en
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Classifications

    • 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
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B02C17/1835—Discharging devices combined with sorting or separating of material
    • B02C17/184—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers

Definitions

  • the invention relates to a pulper with a screen plate. Pulpers are used to shred various materials such as waste paper, labels and plant materials. Depending on the type of pulper, the pulper consists of a pot-shaped or pear-shaped vessel in which spirals or screws are used for conveying and circulating.
  • opening size means both the free passage area and the hole shape.
  • the openings may be formed for example as round holes or as a slot.
  • hole diameters, slot widths and slot lengths are examples of different hole geometries.
  • Each area consists either of one or more screen plate parts and the areas are preferably bounded by edges or kinks or bearing surfaces of the screen plate.
  • a screen plate can have areas with different openings of different opening sizes. It is advantageous if the screen plate is in several parts to provide only one opening size in each case in a screen plate part.
  • the areas of the screen plate can be arranged in different ways in the pulper.
  • the floor area may be arranged horizontally in a known manner. It is advantageous if a transition region is arranged obliquely. A further enlargement of the area formed as a screen plate results when an edge region is arranged vertically.
  • the areas are concentric with each other.
  • a vertical edge region can be attached to the bottom region. close or between the floor area and edge area an oblique transition area is provided.
  • a special embodiment provides that the screen plate is designed as a basket.
  • a basket may be formed from abutting Siebblech tone or have a curved or kinked Siebblech Structure.
  • Edge shape and cross-sectional area of the openings may be formed differently in the different areas.
  • different openings may also be provided in one area. It is advantageous if a bottom area has openings with a diameter of 0.5 to 1.5 mm.
  • a transition region may have openings with 0.05 to 0.2 mm wide slots.
  • an edge region has openings with a diameter of 2 to 8 mm.
  • a region of the screen plate has openings which are larger than the grinding media. If these openings open into an open drain, the grinding media can be removed from the pulper through these openings again.
  • the areas are connected via openings with different chambers, wherein the chambers each have at least one closable outlet. This makes it possible to use different screen areas of the pulper at different times and by varying the opening width at the closable outlet more or less large flow rates can be set via special screen areas, the material leaves the pulper.
  • Different circulating and conveying devices can be arranged within the pulper. These conveyors also serve as stirrers or knives. It is advantageous if a spiral is arranged inside the pulper. Depending on the embodiment, this spiral can take over conveying, cutting and / or circulating functions.
  • the pulper preferably has openings for adding the material to be treated and for adding water or other liquids, it is advantageous if it is hermetically sealable.
  • An airtight sealable lid allows pressure to build up in the pulper.
  • FIG. 2 schematically shows a pulper according to FIG. 1 with heavy part catching Figure 3 schematically shows a pulper, which has been optimized for waste paper treatment.
  • the pulper 1 shown in FIG. 1 is a continuously operated high-density pulp which may also be designed as a displacement pulper or a shell pulper.
  • This pulper has an upwardly open mixing chamber 2 in which the raw material indicated by the arrow 3 is mixed with the water indicated by the arrow 4. The mixture then passes into the displacement chamber with the screen plates 6 to 9. Through these screen plates enter the fibers in different areas 10 to 13 and ultimately to the pure substance outputs 14 to 17. The residue passes through the residue output 18 from the pulper.
  • the screen plates 6 to 9 have different hole or slot sizes.
  • the sieve 19 consisting of the screen plates 6 to 9 thus has several sieve plates 6 to 9 which form different regions of the sieve 19. These areas have openings with different opening sizes.
  • the bottom portion 20 is arranged horizontally and a transition region 21 is arranged obliquely.
  • the bottom area has openings with a diameter of about 1 mm.
  • the transition region has slots with a width of about 0.1 mm and a length of about 20 mm.
  • the raw material according to the arrow 3 is added to the pulper 1 and mixed in the mixing chamber 2 with the added water 4.
  • the spiral 23 on the one hand ensures a circulation and on the other hand a delivery to a displacement spiral 24, which circulates the material with the grinding bodies 22 above the sieve 19.
  • fibers pass through the slanted screen areas first in chambers 10, 13. If these chambers have an open outlet 25, 26, the fibers flow from the pulper through the chamber in collection container (not shown). If the outlets 25, 26 are closed and the outlets 27, 28 are open, only material leaves the pulper via these outlets 27, 28. Thus it can be controlled via the outputs 25 to 28, through which screen areas with which type of openings material to leave the pulper.
  • the pulper 30 in FIG. 2 is constructed according to the pulper 1 shown in FIG. However, it also has a Schwerteil catch 31, which is arranged above the displacement chamber 32.
  • This Schwermaschinefang 31 is outside a central Zuzhouspirale 33.
  • the central feed spiral 33 is arranged so that it generates sufficient radial forces, so that the heavy parts in the outer region of a ZuGermanraumes 34 gelan- and there by means of a guide plate 35 to an output 36 of the Schwer malariateil 31 are conducted.
  • the heavy part output 36 is in this case above the displacement chamber 32nd
  • the pulper 30 shown in FIG. 2 has on one axle a suspending disk 37, the feeding screw 33 and a displacing screw 38.
  • the coarse entry parts 39 are mixed with the introduced water 40 and suspended by the suspending disk 37.
  • the suspending disk 37 can also be designed as a racket. Heavy parts are radially accelerated, guided over the guide plate 35 and removed at the output 36 from the pulper. Thereafter, the material is circulated in the lower part of the pulper with the displacement screw 38.
  • Over different Siebblech Schemee 41 to 44 fine material is discharged in different areas of the pulper. By choosing different sieve qualities, different material qualities can also be discharged in the different regions 41 to 44.
  • the pulper 50 shown in Fig. 3 is designed as a waste paper pulper for continuous high-consistency operation with a relatively low specific pulping resistance.
  • the waste paper is quickly suspended, so that the freefiber must be quickly dissipated to prevent clogging of the holes,
  • strainer 51 in which a raised spiral 52 provides for circulation and the holes in the strainer basket 51 thereby holds fei that the impurities, shredded paper and paper specks are swept by them from the holes of the strainer basket 51.
  • a Schwermaschineausschleusung 53 is provided in the upper part of the pulper 50 so that the waste paper can be fed from the top classic. In this pulper, the volume-related specific pulping reduced performance and at the same time greatly increased the volume-specific specific hole area.
  • the central axis 54 can also be stored at the top, bottom or top and bottom of the pulper 50. This is particularly relevant in closed construction, especially with mixing chamber and Schwfachenmaschinefang.
  • the screen basket 51 may have a vertically disposed edge portion 56, as shown in Figure 3, have.
  • the vertically arranged edge region may have such large openings that through it the grinding bodies 55 can be removed from the pulper 50 via the chamber 57.
  • the chamber 57 When the chamber 57 is closed, they collect in their grinding media until they are removed by opening the chamber outlet 58 again.

Abstract

The aim of the invention is to be able to use an individual pulper and to be able to remove fibrous material from the pulper in an optimum manner. In order to do this, the screening sheet of a pulper comprises openings which are disposed in various regions and have different sizes. One advantage is that said regions are concentric to each other.

Description

Pulper mit einem Siebblech  Pulper with a sieve plate
[Ol] Die Erfindung betrifft einen Pulper mit einem Siebblech. Pulper dienen dem Zerfasern von unterschiedlichen Stoffen wie beispielsweise Altpapier, Etiketten und pflanzlichen Materialien. Je nach Art des Pulpers be- steht der Pulper aus einem topf- oder birnenförmigen Gefäß, in dem Spiralen oder Schrauben zur Förderung und Umwälzung eingesetzt sind. [Ol] The invention relates to a pulper with a screen plate. Pulpers are used to shred various materials such as waste paper, labels and plant materials. Depending on the type of pulper, the pulper consists of a pot-shaped or pear-shaped vessel in which spirals or screws are used for conveying and circulating.
[02] Bei derartigen Pulpern besteht das Problem, dass je nach zu bearbeitendem Gut, je nach Wasser/Feststoff- Verhältnis und je nach Bearbeitungsweise unterschiedliche Lochformen und Lochgrößen im Siebblech vorteilhaft sind. Daher muss entweder die Arbeitsweise auf dem Pulper abgestimmt sein, oder es müssen unterschiedliche Siebbleche zur Verfügung gestellt werden. [02] In the case of such pulpers, there is the problem that, depending on the material to be processed, different hole shapes and hole sizes in the screen plate are advantageous depending on the water / solid ratio and, depending on the method of processing. Therefore, either the operation must be matched to the pulper, or it must be provided different screen plates.
[03] Die der Erfindung zugrunde liegende Aufgabe wird mit einem Pulper mit einem Siebblech gelöst, bei dem das Siebblech in unterschiedlichen Bereichen Öffnungen mit unterschiedlichen Öffnungsgrößen aufweist. Hierbei werden unter Öffnungsgröße sowohl die freie Durchgangsfläche als auch die Lochform verstanden. Die Öffnungen können beispielsweise als runde Bohrungen oder als Schlitz ausgebildet sein. Außerdem unterscheidet man unterschiedliche Lochdurchmesser, Schlitzbreiten und Schlitzlängen. Darüber hinaus können auch unterschiedliche Lochgeometrien vorgesehen sein, in dem die Ränder der Löcher verschiedene Formen aufweisen. [03] The object underlying the invention is achieved with a pulper with a screen plate, in which the screen plate has openings with different opening sizes in different areas. In this case, opening size means both the free passage area and the hole shape. The openings may be formed for example as round holes or as a slot. In addition, a distinction is made between different hole diameters, slot widths and slot lengths. In addition, different hole geometries can be provided, in which the edges of the holes have different shapes.
|Bestätigungskopie| [04] Unter unterschiedlichen Bereichen werden Flächen mit mehreren Offnungen, vorzugsweise mehr als zehn Öffnungen verstanden. Jeder Bereich besteht entweder aus einem oder mehreren Siebblechteilen und die Bereiche werden vorzugsweise durch Ränder oder Knicke oder Auflageflä- chen des Siebblechs begrenzt. | Confirmation copy | [04] Different areas are understood to mean surfaces with a plurality of openings, preferably more than ten openings. Each area consists either of one or more screen plate parts and the areas are preferably bounded by edges or kinks or bearing surfaces of the screen plate.
[05] Dies ermöglicht es aus einem Pulper unterschiedliche Materialfraktionen zu entnehmen. Beispielsweise können 0, 1 mm breite und 20 mm lange Schlitze für Fasern, runde Löcher mit 1 mm Durchmesser für Begleitstoffe und 3 mm bis 6 mm große runde Löcher für Mahlkörper wie Kugeln in unterschiedlichen Bereichen vorgesehen sein. [05] This makes it possible to extract different material fractions from a pulper. For example, 1 mm diameter and 20 mm long fiber slots, 1 mm diameter round holes for impurities, and 3 mm to 6 mm round holes for media such as spheres in different areas may be provided.
[06] Hierbei kann ein Siebblech Bereiche mit unterschiedlichen Öffnungen unterschiedlicher Öffnungsgrößen aufweisen. Vorteilhaft ist es, wenn das Siebblech mehrteilig ist, um jeweils in einem Siebblechteil nur eine Öffnungsgröße vorzusehen. [07] Die Bereiche des Siebblechs können auf unterschiedliche Art und Weise im Pulper angeordnet sein. Hierbei kann der Bodenbereich in bekannter Art und Weise waagerecht angeordnet sein. Vorteilhaft ist es, wenn ein Übergangsbereich schräg angeordnet ist. Eine weitere Vergrößerung des als Siebblech ausgebildeten Bereichs ergibt sich, wenn ein Randbereich senkrecht angeordnet ist. [06] In this case, a screen plate can have areas with different openings of different opening sizes. It is advantageous if the screen plate is in several parts to provide only one opening size in each case in a screen plate part. [07] The areas of the screen plate can be arranged in different ways in the pulper. Here, the floor area may be arranged horizontally in a known manner. It is advantageous if a transition region is arranged obliquely. A further enlargement of the area formed as a screen plate results when an edge region is arranged vertically.
[08] Vorteilhaft ist es, wenn die Bereiche konzentrisch zueinander sind. Hierbei kann sich an den Bodenbereich ein senkrechter Randbereich an- schließen oder zwischen Bodenbereich und Randbereich wird ein schräger Übergangsbereich vorgesehen. [08] It is advantageous if the areas are concentric with each other. In this case, a vertical edge region can be attached to the bottom region. close or between the floor area and edge area an oblique transition area is provided.
[09] Eine spezielle Ausführungsform sieht vor, dass das Siebblech als Korb ausgebildet ist. Ein derartiger Korb kann aus aneinander anliegenden Siebblechteilen gebildet sein oder eine gebogene oder geknickte Siebblechfläche aufweisen. [09] A special embodiment provides that the screen plate is designed as a basket. Such a basket may be formed from abutting Siebblechteilen or have a curved or kinked Siebblechfläche.
[10] Randform und Querschnittsfläche der Öffnungen können in den unterschiedlichen Bereichen unterschiedlich ausgebildet sein. Außerdem können auch in einem Bereich verschiedene Öffnungen vorgesehen sein. Vor- teilhaft ist es, wenn ein Bodenbereich Öffnungen mit einem Durchmesser von 0,5 bis 1,5 mm aufweist. Ein Übergangsbereich kann Öffnungen mit 0,05 bis 0,2 mm breiten Schlitzen aufweisen. Insbesondere zur Entfernung von Mahlkörpern aus dem Pulper ist es vorteilhaft, wenn zum Beispiel ein Randbereich Öffnungen mit 2 bis 8 mm Durchmesser aufweist. [1 1] Um die Vorgänge im Pulper zu optimieren wird vorgeschlagen, dass der Pulper oberhalb des Bleches Mahlkörper, vorzugsweise Kugeln, aufweist. Derartige Mahlkörper werden dem Mahlgut zugegeben um die Reibungsfläche zu erhöhen und den Mahlprozess zu beschleunigen oder die Qualität des Mahlgutes zu verbessern. [12] Hierbei ist es vorteilhaft, wenn ein Bereich des Siebbleches Öffnungen aufweist, die größer sind als die Mahlkörper. Wenn diese Öffnungen in einen offenen Abfluss münden, können durch diese Öffnungen die Mahlkörper aus dem Pulper wieder entfernt werden. [13] Um den Pulper mit einem kontinuierlichen Durchfluss betreiben zu können wird vorgeschlagen, dass die Bereiche über Öffnungen mit unterschiedlichen Kammern in Verbindung stehen, wobei die Kammern jeweils mindestens einen verschließbaren Ausgang aufweisen. Dies ermöglicht es unterschiedliche Siebbereiche des Pulpers zu unterschiedlichen Zeiten zu nutzen und durch eine Variation der Öffnungsweite am verschließbaren Ausgang können über spezielle Siebbereiche mehr oder weniger große Durchflüsse eingestellt werden, über die Material den Pulper verlässt. Edge shape and cross-sectional area of the openings may be formed differently in the different areas. In addition, different openings may also be provided in one area. It is advantageous if a bottom area has openings with a diameter of 0.5 to 1.5 mm. A transition region may have openings with 0.05 to 0.2 mm wide slots. In particular for the removal of grinding media from the pulper, it is advantageous if, for example, an edge region has openings with a diameter of 2 to 8 mm. [1 1] In order to optimize the processes in the pulper, it is proposed that the pulper above the sheet grinding media, preferably balls, has. Such grinding media are added to the material to be ground in order to increase the friction surface and to accelerate the grinding process or to improve the quality of the material to be ground. It is advantageous if a region of the screen plate has openings which are larger than the grinding media. If these openings open into an open drain, the grinding media can be removed from the pulper through these openings again. In order to operate the pulper with a continuous flow, it is proposed that the areas are connected via openings with different chambers, wherein the chambers each have at least one closable outlet. This makes it possible to use different screen areas of the pulper at different times and by varying the opening width at the closable outlet more or less large flow rates can be set via special screen areas, the material leaves the pulper.
[14] Innerhalb des Pulpers können unterschiedliche Umwälz- und För- dereinrichtungen angeordnet sein. Diese Fördereinrichtungen dienen auch als Rührer oder Messer. Vorteilhaft ist es, wenn innerhalb des Pulpers eine Spirale angeordnet ist. Diese Spirale kann je nach Ausführungsform Förder-, Schneid- und/oder Umwälzfunktionen übernehmen. [14] Different circulating and conveying devices can be arranged within the pulper. These conveyors also serve as stirrers or knives. It is advantageous if a spiral is arranged inside the pulper. Depending on the embodiment, this spiral can take over conveying, cutting and / or circulating functions.
[15] Der Pulper hat vorzugsweise Öffnungen zur Zugabe des zu behan- delnden Gutes und um Wasser oder andere Flüssigkeiten zuzugeben, vorteilhaft ist es, wenn er luftdicht verschließbar ist. Ein luftdicht verschließbarer Deckel ermöglicht es im Pulper einen Druck aufzubauen. [15] The pulper preferably has openings for adding the material to be treated and for adding water or other liquids, it is advantageous if it is hermetically sealable. An airtight sealable lid allows pressure to build up in the pulper.
[16] Drei Ausführungsbeispiele erfindungsgemäßer Pulper sind in der Zeichnung dargestellt und werden im Folgenden näher erläutert. Es zeigt Figur 1 schematisch einen Pulper mit nach oben hin offener Mischkammer, [16] Three embodiments of inventive pulpers are shown in the drawing and are explained in more detail below. 1 shows schematically a pulper with the mixing chamber open at the top,
Figur 2 schematisch einen Pulper nach Figur 1 mit Schwerteilefang Figur 3 schematisch einen Pulper, der für die Altpapierbehandlung optimiert wurde. FIG. 2 schematically shows a pulper according to FIG. 1 with heavy part catching Figure 3 schematically shows a pulper, which has been optimized for waste paper treatment.
[17] Der in Figur 1 gezeigte Pulper 1 ist ein kontinuierlich betriebener Hochstoffdichtepulper, der auch als Verdrängerpulper oder Mantelpulper ausgebildet sein kann. Dieser Pulper hat eine nach oben offene Mischkammer 2, in der das mit dem Pfeil 3 gekennzeichnete Rohmaterial mit dem durch den Pfeil 4 angedeuteten Wasser vermischt wird. Das Gemenge gelangt danach in den Verdrängerraum mit den Siebblechen 6 bis 9. Durch diese Siebbleche gelangen die Faserstoffe in unterschiedliche Bereiche 10 bis 13 und letztlich zu den Reinstoffausgängen 14 bis 17. Der Reststoff tritt über den Reststoffausgang 18 aus dem Pulper aus. Die Siebbleche 6 bis 9 haben unterschiedliche Loch- oder Schlitzgrößen. The pulper 1 shown in FIG. 1 is a continuously operated high-density pulp which may also be designed as a displacement pulper or a shell pulper. This pulper has an upwardly open mixing chamber 2 in which the raw material indicated by the arrow 3 is mixed with the water indicated by the arrow 4. The mixture then passes into the displacement chamber with the screen plates 6 to 9. Through these screen plates enter the fibers in different areas 10 to 13 and ultimately to the pure substance outputs 14 to 17. The residue passes through the residue output 18 from the pulper. The screen plates 6 to 9 have different hole or slot sizes.
[18] Das aus den Siebblechen 6 bis 9 bestehende Sieb 19 hat somit mehrere Siebbleche 6 bis 9, die unterschiedliche Bereiche des Siebes 19 bilden. Diese Bereiche weisen Öffnungen mit unterschiedlichen Öffnungsgrößen auf. Hierbei ist der Bodenbereich 20 waagerecht angeordnet und ein Übergangsbereich 21 ist schräg angeordnet. The sieve 19 consisting of the screen plates 6 to 9 thus has several sieve plates 6 to 9 which form different regions of the sieve 19. These areas have openings with different opening sizes. Here, the bottom portion 20 is arranged horizontally and a transition region 21 is arranged obliquely.
[19] Der Bodenbereich weist Öffnungen mit einem Durchmesser von ca. 1 mm auf. Der Übergangsbereich weist Schlitze mit einer Breite von etwa 0,1 mm und einer Länge von etwa 20 mm auf. The bottom area has openings with a diameter of about 1 mm. The transition region has slots with a width of about 0.1 mm and a length of about 20 mm.
[20] Als Mahlkörper liegen auf dem Sieb 19 Kugeln 22, die in der Figur in Form und Größe nur angedeutet dargestellt sind. [21] Bei der Verwendung des Pulpers wird das Rohmaterial entsprechend dem Pfeil 3 dem Pulper 1 zugegeben und in der Mischkammer 2 mit dem zugegebenen Wasser 4 vermischt. Die Spirale 23 sorgt einerseits für eine Umwälzung und andererseits für eine Förderung hin zu einer Verdrän- gerspirale 24, die das Material mit den Mahlkörpern 22 oberhalb des Siebes 19 umwälzt. Dabei gelangen Faserstoffe durch die schräg angeordneten Siebbereiche zunächst in Kammern 10, 13. Sofern diese Kammern einen geöffneten Ausgang 25, 26 aufweisen, fließen die Faserstoffe aus dem Pulper durch die Kammer in Auffangbehälter (nicht gezeigt). Sofern die Aus- gänge 25, 26 geschlossen sind und die Ausgänge 27, 28 geöffnet sind, ver- lässt nur Material über diese Ausgänge 27, 28 den Pulper. Somit kann über die Ausgänge 25 bis 28 gesteuert werden, durch welche Siebbereiche mit welcher Art an Öffnungen Material den Pulper verlassen soll. As a grinding media are 19 balls 22 on the screen, which are shown in the figure in shape and size only indicated. [21] When using the pulper, the raw material according to the arrow 3 is added to the pulper 1 and mixed in the mixing chamber 2 with the added water 4. The spiral 23 on the one hand ensures a circulation and on the other hand a delivery to a displacement spiral 24, which circulates the material with the grinding bodies 22 above the sieve 19. In this case, fibers pass through the slanted screen areas first in chambers 10, 13. If these chambers have an open outlet 25, 26, the fibers flow from the pulper through the chamber in collection container (not shown). If the outlets 25, 26 are closed and the outlets 27, 28 are open, only material leaves the pulper via these outlets 27, 28. Thus it can be controlled via the outputs 25 to 28, through which screen areas with which type of openings material to leave the pulper.
[22] Der Pulper 30 in Figur 2 ist entsprechend dem in Figur 1 gezeigten Pulper 1 aufgebaut. Er hat jedoch zusätzlich einen Schwerteilefang 31 , der oberhalb des Verdrängerraumes 32 angeordnet ist. Dieser Schwerteilefang 31 liegt außerhalb eine zentralen Zuführspirale 33. Die zentrale Zuführspirale 33 ist dabei so angeordnet, dass sie genügend Radialkräfte erzeugt, sodass die Schwerteile in den äußeren Bereich eines Zuführraumes 34 gelan- gen und dort mittels eines Leitblechs 35 zu einem Ausgang 36 des Schwerteilefangs 31 geleitet werden. Der Schwerteileausgang 36 liegt hierbei oberhalb des Verdrängerraumes 32. [22] The pulper 30 in FIG. 2 is constructed according to the pulper 1 shown in FIG. However, it also has a Schwerteil catch 31, which is arranged above the displacement chamber 32. This Schwerteilefang 31 is outside a central Zuführspirale 33. The central feed spiral 33 is arranged so that it generates sufficient radial forces, so that the heavy parts in the outer region of a Zuführraumes 34 gelan- and there by means of a guide plate 35 to an output 36 of the Schwerteilenteil 31 are conducted. The heavy part output 36 is in this case above the displacement chamber 32nd
[23] Der in Figur 2 gezeigte Pulper 30 hat auf einer Achse eine Suspendierscheibe 37, die Zuführschraube 33 und eine Verdrängerschraube 38. Die groben Eintragsteile 39 werden mit dem eingebrachten Wasser 40 vermischt und durch die Suspendierscheibe 37 suspendiert. Die Suspendierscheibe 37 kann auch als Schläger ausgebildet sein. Schwerteile werden radial beschleunigt, über das Leitblech 35 gefuhrt und am Ausgang 36 aus dem Pulper entfernt. Danach wird das Material im unteren Bereich des Pulpers mit der Verdrängerschraube 38 umgewälzt. Über verschiedene Siebblechbereiche 41 bis 44 wird feines Material in unterschiedlichen Bereichen aus dem Pulper ausgeschleust. Durch die Wahl unterschiedlicher Siebqualitäten können in den unterschiedlichen Bereichen 41 bis 44 auch unterschiedliche Materialqualitäten ausgeschleust werden. The pulper 30 shown in FIG. 2 has on one axle a suspending disk 37, the feeding screw 33 and a displacing screw 38. The coarse entry parts 39 are mixed with the introduced water 40 and suspended by the suspending disk 37. The suspending disk 37 can also be designed as a racket. Heavy parts are radially accelerated, guided over the guide plate 35 and removed at the output 36 from the pulper. Thereafter, the material is circulated in the lower part of the pulper with the displacement screw 38. Over different Siebblechbereiche 41 to 44 fine material is discharged in different areas of the pulper. By choosing different sieve qualities, different material qualities can also be discharged in the different regions 41 to 44.
[24] Der in Figur 3 gezeigte Pulper 50 ist als Altpapierpulper für kontinuierlichen Betrieb bei hoher Stoffdichte mit einem relativ geringen spezifischen Zerfaserungswiderstand konzipiert. Das Altpapier wird hierbei schnell suspendiert, sodass der Freifaserstoff schnell abgeleitet werden muss, um ein Zusetzen der Löcher zu verhindern, The pulper 50 shown in Fig. 3 is designed as a waste paper pulper for continuous high-consistency operation with a relatively low specific pulping resistance. The waste paper is quickly suspended, so that the freefiber must be quickly dissipated to prevent clogging of the holes,
[25] Dies wird durch den Siebkorb 51 erreicht, in dem eine hochgezogene Spirale 52 für eine Umwälzung sorgt und die Löcher im Siebkorb 51 dadurch fei hält, dass die Begleitstoffe, Papierschnitzel und Papierstippen durch sie von den Löchern des Siebkorbes 51 gefegt werden. [26] Im oberen Bereich des Pulpers 50 ist eine Schwerteileausschleusung 53 vorgesehen, so dass das Altpapier klassisch von oben zugeführt werden kann. Bei diesem Pulper ist die volumenbezogene spezifische Zerfase- rungsleistung reduziert und gleichzeitig die volumenbezogene spezifische Lochfläche stark erhöht. [25] This is achieved by the strainer 51, in which a raised spiral 52 provides for circulation and the holes in the strainer basket 51 thereby holds fei that the impurities, shredded paper and paper specks are swept by them from the holes of the strainer basket 51. [26] In the upper part of the pulper 50 a Schwerteileausschleusung 53 is provided so that the waste paper can be fed from the top classic. In this pulper, the volume-related specific pulping reduced performance and at the same time greatly increased the volume-specific specific hole area.
[27] Wie bei den zuvor gezeigten Pulpern kann auch beim Pulper 50 die mittlere Achse 54 oben, unten oder oben und unten gelagert werden. Das ist besonders bei geschlossener Bauweise insbesondere mit Mischkammer und Schwerteilefang relevant. [27] As with the pulpers previously shown, the central axis 54 can also be stored at the top, bottom or top and bottom of the pulper 50. This is particularly relevant in closed construction, especially with mixing chamber and Schwfachenteilefang.
[28] In allen Pulpern können Mahlkörper 55 vorgesehen sein und der Siebkorb 51 kann einen senkrecht angeordneten Randbereich 56, wie in Figur 3 gezeigt, aufweisen. Beispielsweise der senkrecht angeordnete Randbereich kann derart große Öffnungen aufweisen, dass durch sie die Mahlkörper 55 aus dem Pulper 50 über die Kammer 57 entfernt werden können. Wenn die Kammer 57 geschlossen ist, sammeln sich in ihr Mahlkörper bis diese durch Öffnen des Kammerausgangs 58 wieder entfernt werden. [28] In all pulpers grinding media 55 may be provided and the screen basket 51 may have a vertically disposed edge portion 56, as shown in Figure 3, have. For example, the vertically arranged edge region may have such large openings that through it the grinding bodies 55 can be removed from the pulper 50 via the chamber 57. When the chamber 57 is closed, they collect in their grinding media until they are removed by opening the chamber outlet 58 again.

Claims

Patentansprüche: claims:
1. Pulper (1) mit einem Sieb (19), dadurch gekennzeichnet, dass das Sieb (1 ) in unterschiedlichen Bereichen Öffnungen mit unterschiedlichen Öffnungsgrößen aufweist. 1. Pulper (1) with a sieve (19), characterized in that the sieve (1) has openings with different opening sizes in different areas.
2. Pulper (1) nach Anspruch 1, dadurch gekennzeichnet, dass das Sieb (19) mehrteilig ist. 2. pulper (1) according to claim 1, characterized in that the sieve (19) is in several parts.
3. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Bodenbereich waagerecht angeordnet ist. 3. pulper (1) according to any one of the preceding claims, characterized in that a bottom portion is arranged horizontally.
4. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch ge- kennzeichnet, dass ein Übergangsbereich schrägt angeordnet ist. 4. pulper (1) according to any one of the preceding claims, character- ized in that a transition region is arranged obliquely.
5. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Randbereich senkrecht angeordnet ist. 5. Pulper (1) according to one of the preceding claims, characterized in that an edge region is arranged vertically.
6. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Bereiche konzentrisch zueinander angeordnet sind. 6. pulper (1) according to any one of the preceding claims, characterized in that the areas are arranged concentrically with each other.
7. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sieb (19) als Korb ausgebildet ist. 7. pulper (1) according to any one of the preceding claims, characterized in that the sieve (19) is designed as a basket.
8. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Bodenbereich Öffnungen mit einem Durch- messer von 0,5 bis 1,5 mm aufweist. 8. pulper (1) according to any one of the preceding claims, characterized in that a bottom portion has openings with a diameter of 0.5 to 1.5 mm.
9. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Übergangsbereich Öffnungen mit 0,05 bis 0,2 mm breiten Schlitzen aufweist. 9. Pulper (1) according to any one of the preceding claims, characterized in that a transition region has openings with 0.05 to 0.2 mm wide slots.
10. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch ge- kennzeichnet, dass ein Randbereich Öffnungen mit 2 bis 8 mm10. pulper (1) according to any one of the preceding claims, character- ized in that an edge region openings with 2 to 8 mm
Durchmesser aufweist. Diameter.
11. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Pulper oberhalb des Siebes Mahlkörper, vorzugsweise Kugeln, aufweist. 11. pulper (1) according to any one of the preceding claims, characterized in that the pulper above the sieve grinding media, preferably balls having.
12. Pulper (1) nach Anspruch 1 1, dadurch gekennzeichnet, dass ein Bereich Öffnungen aufweist, die größer sind als die Mahlkörper. 12. pulper (1) according to claim 1 1, characterized in that a region has openings which are larger than the grinding media.
13. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Bereiche über die Öffnungen mit unterschiedlichen Kammern in Verbindung stehen, wobei die Kammern jeweils mindestens einen verschließbaren Ausgang aufweisen. 13. pulper (1) according to any one of the preceding claims, characterized in that the areas are connected via the openings with different chambers, wherein the chambers each have at least one closable outlet.
14. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass innerhalb des Pulpers eine Spirale angeordnet ist. 14. pulper (1) according to any one of the preceding claims, characterized in that a spiral is arranged within the pulper.
15. Pulper (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er luftdicht verschließbar ist. 15. Pulper (1) according to one of the preceding claims, characterized in that it is hermetically sealed.
EP11801562.7A 2010-09-17 2011-08-26 Pulper comprising a screening sheet Active EP2616584B1 (en)

Applications Claiming Priority (4)

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DE102010045623 2010-09-17
DE102010046555 2010-09-27
DE102011106266 2011-06-27
PCT/DE2011/001644 WO2012041269A2 (en) 2010-09-17 2011-08-26 Pulper comprising a screening sheet

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EP2616584A2 true EP2616584A2 (en) 2013-07-24
EP2616584B1 EP2616584B1 (en) 2016-03-09

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CN (1) CN103119217B (en)
DE (1) DE112011104148A5 (en)
WO (1) WO2012041269A2 (en)

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US20140001294A1 (en) * 2012-06-29 2014-01-02 Metso Minerals Industries, Inc. Stirred mill, method of simulating a grinding process in a stirred mill, and method of grinding a material in a stirred mill
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WO2017010123A1 (en) * 2015-07-14 2017-01-19 ローター工業株式会社 Pulper and blade structure for pulper rotor
CN105887541A (en) * 2016-06-20 2016-08-24 无锡鼎茂机械制造有限公司 Shockproof cyclical pulper
DE102016013071A1 (en) 2016-06-28 2017-12-28 Hans-Joachim Boltersdorf Device for treating material with a container
CN108486942B (en) * 2018-04-10 2019-12-27 黄冈晨鸣浆纸有限公司 Energy-saving high-efficiency horizontal high-concentration hydraulic pulper
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EP4308758A1 (en) * 2021-03-17 2024-01-24 Hans-Joachim Boltersdorf Kneader and method for operating a kneader
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CN103119217B (en) 2016-03-30
CN103119217A (en) 2013-05-22
DE112011104148A5 (en) 2013-09-05
US8616476B2 (en) 2013-12-31
WO2012041269A2 (en) 2012-04-05
US20130206881A1 (en) 2013-08-15
EP2616584B1 (en) 2016-03-09

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