EP1930141A2 - Feeder device for one or more components of free-flowing feeder product to a processing machine - Google Patents

Feeder device for one or more components of free-flowing feeder product to a processing machine Download PDF

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Publication number
EP1930141A2
EP1930141A2 EP07117413A EP07117413A EP1930141A2 EP 1930141 A2 EP1930141 A2 EP 1930141A2 EP 07117413 A EP07117413 A EP 07117413A EP 07117413 A EP07117413 A EP 07117413A EP 1930141 A2 EP1930141 A2 EP 1930141A2
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EP
European Patent Office
Prior art keywords
components
component
processing machine
feed
thermoplastic
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EP07117413A
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German (de)
French (fr)
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EP1930141A3 (en
EP1930141B1 (en
Inventor
Michael Zlotos
Dieter Keck
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Protec Polymer Processing GmbH
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Mann and Hummel Protec GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent

Definitions

  • the invention relates to a supply device for one or more components of a free-flowing and a difficult pourable feed material to a processing machine with different components.
  • a method for producing a fibrous, cellulosic material from fibrous plant material is known.
  • the plant material is crushed, mixed with a caustic soda and fed to an extruder after sieving, the plant material is mixed at a temperature between 120 ° and 150 ° C and a pressure of about 20 bar with the addition of water and hydrogen peroxide , From the material, chipboard or other furniture parts can be produced.
  • the invention is therefore based on the object to avoid the disadvantages mentioned and to provide a supply device for one or more components of a free-flowing feed, in which a high degree of homogeneity in terms of the substances to be processed is ensured.
  • the essential advantage of the invention lies in the fact that the component, which consists of vegetable fiber materials, comes into contact with liquid in a mixing device, that is, the liquid is metered in and at the same time mixed with the material.
  • the liquid is finely atomized and exposed to both components, i. both the vegetable fiber material component and the further component, detected and supplied gravimetrically.
  • the second component consists of hemp in ground form.
  • Hemp flour is ideal as an additive to products to reduce weight and use as sound insulation.
  • Hemp flour is ground press cake, which is obtained during the extraction of oil from hemp seed.
  • the first component is a plastic granules, in particular a thermoplastic plastic granules. Especially in combination with hemp flour a good mixing before processing is necessary.
  • the first component is removed via a suction conveyor from a reservoir and passed through an intermediate container to a gravimetric device.
  • the material to be processed has a water content of 0.3 to 8.0 percent by weight, depending on the recipe.
  • the invention also relates to a process for producing a thermoplastic molded body, wherein particles of a vegetable material with at least one thermoplastic material are mixed.
  • the supply device has a reservoir 10 in which thermoplastic granules are located. At this reservoir, a removal device 11 is arranged. This removal device 11 is connected to a delivery line 12, the delivery line leads to a conveyor 13. The conveyor 13 is equipped with a suction pump 14.
  • a further reservoir 15 is provided.
  • the reservoir 15 is equipped with a mixer 17.
  • a metering screw 18 is arranged below the reservoir.
  • the hemp flour is fed to a hopper balance 19.
  • Above the hopper scale is an intermediate container 20, which is connected between the conveyor 13 and the filling opening of the hopper scale 19.
  • a mixing device 21 is provided below the hopper scale. This mixing device is connected to a water connection 22.
  • the water is finely atomized fed to the mixing device 21 via line 23.
  • the mixed material passes via the line 24 to a reservoir 25 and from there via a screw conveyor 26th to a machine hopper 27, which is arranged on a plastic injection molding machine or Kunststoffxtrudiermaschine 28.
  • the entire device is operated via a control device 29 and defines the process.
  • the process control is continuous or discontinuous.
  • the removed from the reservoir 10 plastic granules is usually fed discontinuously to the conveyor 13, passes from there via the intermediate container to the hopper scale 19, which detects a certain amount, which is to be mixed with the hemp flour.
  • the weighed material passes into the mixing device 21 and is mixed there by circulating agitators, at the same time finely atomized water is supplied until the appropriate moisture content is set.
  • the thus prepared material passes through a discharge valve 30 to the reservoir 25th
  • thermoplastic molded body formed by the injection molding machine may be used as a member having excellent acoustic properties, i. find application with a high insulating effect in a vehicle.
  • the component can also be used as a technical element for the production of profiles for the construction industry.
  • FIG. 2 shows the reservoir 25 described in FIG. 1, which is provided with a stirrer construction 31.
  • This improves the transportability of the supplied mixture and consists of a drive shaft 32 which is driven by a motor, not shown here.
  • On the drive shaft 32 individual stirring rods 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 and 45 are arranged in a different configuration.
  • These stirrers can be attached to other positions as required and can thus be optimally adjusted to the consistency of the mixture supplied.
  • a paddle 64 At the lower end of the drive shaft 32 is a paddle 64, which ensures good transport of the container contents in this area of the reservoir.
  • Figure 3 shows a variant for filling the reservoir 15 in Figure 1.
  • a suction container 46 which is equipped with a suction nozzle 47.
  • the proboscis is plugged into a side wall of the suction container 46 and operates with negative pressure, d. H.
  • the material contained in the suction container 46 - in this case hemp flour - is supplied to the storage container 15 with negative pressure via the suction pipe 47.
  • a loosening device 48 consisting of a shaft 49 and bars 50, 51, 52, 53, 54, 55, 56 arranged thereon.
  • the shaft is driven by an electric motor 57. By turning the shaft, the rods loosen the hemp flour contained in the container and ensure that in the lower area, d. H.
  • the trunk is arranged laterally offset to the loosening device 48. At the same time inclined at an angle of about 10 ° to 20 ° so that the suction point 58 is close to the last stirring rod 56.
  • the suction nozzle 47 is equipped with a tube 59 which is led to the reservoir.
  • the lid 60 is removed. Equipped with rollers 61, 62 and a transport handle 63, the suction container is displaceable and can thus be adapted to different local conditions.

Abstract

Claimed is an assembly to mix homogenous organic e.g. wood fibre particles with water for subsequent press conversion into a product e.g. particleboard. The assembly consists of: a hopper feed for a first solid component; a dosing station for chopped wood fibres; a gravimetric measuring device to determine the quantities of the two solid components; a mixing station at which water is introduced; and a holding container for the final mixture that is subsequently surrendered to the e.g. panel press.

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Zufuhrvorrichtung für eine oder mehrere Komponenten eines rieselfähigen und eines schwer rieselfähigen Aufgabegutes zu einer Verarbeitungsmaschine mit verschiedenen Komponenten.The invention relates to a supply device for one or more components of a free-flowing and a difficult pourable feed material to a processing machine with different components.

Stand der TechnikState of the art

Aus der DE 19 003 491 ist ein Verfahren zur Herstellung eines faserigen, zellulosen Stoffes aus faserhaltigem Pflanzenmaterial bekannt. Nach diesem Stand der Technik wird das Pflanzenmaterial zerkleinert, mit einer Natronlauge vermischt und nach dem Sieben einem Extruder zugeführt, wobei das Pflanzenmaterial bei einer Temperatur zwischen 120° und 150° Celsius und einem Druck von etwa 20 bar unter Zugabe von Wasser und Wasserstoffperoxyd vermischt wird. Aus dem Material können Pressspanplatten oder andere Möbelteile hergestellt werden.From the DE 19 003 491 For example, a method for producing a fibrous, cellulosic material from fibrous plant material is known. According to this prior art, the plant material is crushed, mixed with a caustic soda and fed to an extruder after sieving, the plant material is mixed at a temperature between 120 ° and 150 ° C and a pressure of about 20 bar with the addition of water and hydrogen peroxide , From the material, chipboard or other furniture parts can be produced.

Es ist ferner aus der DE 19 949 975 ein Verfahren zur Herstellung von plattenförmigen Dämm- und Konstruktionswerkstoffen sowie Formkörpern bekannt. Diese sind biologisch abbaubar und bestehen aus stärkehaltigen Bindemitteln und lignozellulosen Faserstoffen, wobei der Faserstoff zum Abbinden mit dem Bindemittel auf einen Feuchtigkeitsgehalt von etwa 15-50 % gebracht wird. Als Bindemittel kann beispielsweise ein so genanntes stärkehaltiges Kartoffelsubstrat verwendet werden.It is also from the DE 19 949 975 a method for the production of plate-shaped insulation and construction materials and moldings known. These are biodegradable and consist of starch-containing binders and lignocellulosic fibers, wherein the pulp is brought to a moisture content of about 15-50% for binding with the binder. As a binder, for example, a so-called starch-containing potato substrate can be used.

Es ist weiterhin aus der EP 1 438 180 ein Verfahren zur Herstellung von Materialien mit Hilfe der Extrusionstechnik bekannt, bei dem Naturfaserstoffe, insbesondere Holz verwendet wird. Die Naturfasern werden mit einer thermo- oder duroplastischen Substanz sowie einem wasserbindenden Biopolymer vermischt und anschließend im Umformungsverfahren zu Produkten verarbeitet. Das wesentliche Problem bei der Verwendung von Naturfaserstoffen liegt in der korrekten und homogenen Aufbereitung. Selbst ein Mahlen der Stoffe genügt oft nicht, um die komplexe Struktur soweit zu vereinheitlichen, dass eine gute Durchmischung mit anderen zu bearbeitenden Stoffen gelingt.It is still out of the EP 1 438 180 a process for the production of materials by means of extrusion technology is known in which natural fiber materials, in particular wood is used. The natural fibers are mixed with a thermosetting or thermosetting substance and a water-binding biopolymer and then processed into products in the forming process. The main problem with the use of natural fiber materials lies in the correct and homogeneous treatment. Even a grinding of the substances is often not enough to unify the complex structure so far that a good mixing with other substances to be processed succeeds.

Offenbarung der ErfindungDisclosure of the invention

Der Erfindung liegt daher die Aufgabe zugrunde, die genannten Nachteile zu vermeiden und eine Zufuhrvorrichtung für eine oder mehrere Komponenten eines rieselfähigen Aufgabegutes zu schaffen, bei dem eine hohe Homogenität hinsichtlich der zu verarbeitenden Stoffe gewährleistet ist.The invention is therefore based on the object to avoid the disadvantages mentioned and to provide a supply device for one or more components of a free-flowing feed, in which a high degree of homogeneity in terms of the substances to be processed is ensured.

Diese Aufgabe wird durch die Merkmale des unabhängigen Anspruchs 1 gelöst.This object is solved by the features of independent claim 1.

Der wesentliche Vorteil der Erfindung liegt darin, dass die Komponente, welche aus pflanzlichen Fasermaterialien besteht, in einer Mischeinrichtung mit Flüssigkeit in Berührung kommt, das heißt die Flüssigkeit wird zudosiert und gleichzeitig mit dem Material vermischt.The essential advantage of the invention lies in the fact that the component, which consists of vegetable fiber materials, comes into contact with liquid in a mixing device, that is, the liquid is metered in and at the same time mixed with the material.

In einer Ausgestaltung der Erfindung, wird die Flüssigkeit fein zerstäubt und beiden Komponenten, d.h. sowohl der pflanzlichen Fasermaterialkomponente als auch der weiteren Komponente, gravimetrisch erfasst und zugeführt.In one embodiment of the invention, the liquid is finely atomized and exposed to both components, i. both the vegetable fiber material component and the further component, detected and supplied gravimetrically.

In einer weiteren Ausgestaltung der Erfindung besteht die zweite Komponente aus Hanf in gemahlener Form. Hanfmehl eignet sich hervorragend als Beigabe zu Produkten, um Gewicht zu reduzieren und als Schalldämmung einzusetzen. Hanfmehl ist gemahlener Presskuchen, der bei der Ölgewinnung aus Hanfsamen anfällt.In a further embodiment of the invention, the second component consists of hemp in ground form. Hemp flour is ideal as an additive to products to reduce weight and use as sound insulation. Hemp flour is ground press cake, which is obtained during the extraction of oil from hemp seed.

Weiterbildungsgemäß ist die erste Komponente ein Kunststoffgranulat, insbesondere ein thermoplastisches Kunststoffgranulat. Gerade in Kombination mit Hanfmehl ist eine gute Durchmischung vor der Verarbeitung notwendig.According to training, the first component is a plastic granules, in particular a thermoplastic plastic granules. Especially in combination with hemp flour a good mixing before processing is necessary.

In einer Ausgestaltung der Zufuhrvorrichtung wird die erste Komponente über eine Saugförderung aus einem Vorratsbehälter entnommen und über einen Zwischenbehälter zu einer gravimetrischen Einrichtung geführt. Nach der Durchmischung der beiden Komponenten unter Zuführung von feinzerstäubtem Wasser weist das zu verarbeitende Material je nach Rezeptur einen Wassergehalt von 0,3 - 8,0 Gewichtsprozenten auf.In one embodiment of the supply device, the first component is removed via a suction conveyor from a reservoir and passed through an intermediate container to a gravimetric device. After mixing the two components with the addition of finely atomized water, the material to be processed has a water content of 0.3 to 8.0 percent by weight, depending on the recipe.

Die Erfindung betrifft auch ein Verfahren zur Herstellung eines thermoplastischen Formkörpers, wobei Partikel eines pflanzlichen Materials mit mindestens einem thermoplastischen Kunststoffmaterial vermischt werden.The invention also relates to a process for producing a thermoplastic molded body, wherein particles of a vegetable material with at least one thermoplastic material are mixed.

Diese und weitere Merkmale gehen nicht nur aus den Patentansprüchen, sondern auch aus der Beschreibung und den Zeichnungen hervor. Die Erfindung wird nachfolgend anhand eines schematischen Ausführungsbeispiels näher erläutert.These and other features are apparent not only from the claims, but also from the description and the drawings. The invention will be explained in more detail with reference to a schematic embodiment.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Es zeigt:

Figur 1
eine schematische Darstellung einer Zufuhrvorrichtung für mehrere Komponenten eines rieselfähigen Aufgabegutes zu einer Verarbeitungsmaschine,
Figur 2
die Detaildarstellung des in Figur 1 gezeigten Vorratsbehälters und
Figur 3
eine Variante einer Aufgabestation.
It shows:
FIG. 1
a schematic representation of a supply device for a plurality of components of a free-flowing feed material to a processing machine,
FIG. 2
the detailed representation of the reservoir shown in Figure 1 and
FIG. 3
a variant of a feeding station.

Ausführungsform(en) der ErfindungEmbodiment (s) of the invention

Die Zufuhrvorrichtung gemäß der Figur weist einen Vorratsbehälter 10 auf, in welchem sich thermoplastisches Kunststoffgranulat befindet. An diesem Vorratsbehälter ist eine Entnahmevorrichtung 11 angeordnet. Diese Entnahmevorrichtung 11 ist mit einer Förderleitung 12 verbunden, die Förderleitung führt zu einem Fördergerät 13. Das Fördergerät 13 ist mit einer Saugförderpumpe 14 ausgestattet.The supply device according to the figure has a reservoir 10 in which thermoplastic granules are located. At this reservoir, a removal device 11 is arranged. This removal device 11 is connected to a delivery line 12, the delivery line leads to a conveyor 13. The conveyor 13 is equipped with a suction pump 14.

Es ist ferner ein weiterer Vorratsbehälter 15 vorgesehen. In diesen wirdwie dargestellt - mit einem Sack 16 Hanfmehl eingefüllt. Der Vorratsbehälter 15 ist mit einem Mischer 17 ausgestattet. Unterhalb des Vorratsbehälters ist eine Dosierschnecke 18 angeordnet. Über diese Dosierschnecke 18 wird das Hanfmehl einer Trichterwaage 19 zugeführt. Oberhalb der Trichterwaage befindet sich ein Zwischenbehälter 20, dieser ist zwischen das Fördergerät 13 und der Einfüllöffnung der Trichterwaage 19 geschaltet. Unterhalb der Trichterwaage ist eine Mischeinrichtung 21 vorgesehen. Diese Mischeinrichtung ist mit einem Wasseranschluss 22 verbunden. Das Wasser wird fein zerstäubt der Mischeinrichtung 21 über die Leitung 23 zugeführt. Das gemischte Material gelangt über die Leitung 24 zu einem Vorratsbehälter 25 und von dort über eine Schneckenfördereinrichtung 26 zu einem Maschinentrichter 27, der auf einer Kunststoffspritzgießmaschine oder Kunststoffextrudiermaschine 28 angeordnet ist.It is also a further reservoir 15 is provided. In these is as shown - filled with a bag 16 hemp flour. The reservoir 15 is equipped with a mixer 17. Below the reservoir, a metering screw 18 is arranged. About this metering screw 18, the hemp flour is fed to a hopper balance 19. Above the hopper scale is an intermediate container 20, which is connected between the conveyor 13 and the filling opening of the hopper scale 19. Below the hopper scale, a mixing device 21 is provided. This mixing device is connected to a water connection 22. The water is finely atomized fed to the mixing device 21 via line 23. The mixed material passes via the line 24 to a reservoir 25 and from there via a screw conveyor 26th to a machine hopper 27, which is arranged on a plastic injection molding machine or Kunststoffxtrudiermaschine 28.

Die gesamte Einrichtung wird über eine Steuerungseinrichtung 29 bedient und der Ablauf definiert. Die Prozesssteuerung erfolgt kontinuierlich oder diskontinuierlich.The entire device is operated via a control device 29 and defines the process. The process control is continuous or discontinuous.

Das aus dem Vorratsbehälter 10 entnommene Kunststoffgranulat wird üblicherweise diskontinuierlich dem Fördergerät 13 zugeführt, gelangt von dort über den Zwischenbehälter zu der Trichterwaage 19, die eine bestimmte Menge erfasst, welche mit dem Hanfmehl zu mischen ist. Durch die Zudosierung des Hanfmehls über die Dosierschnecke 18 ist eine präzise Verwiegung möglich, das abgewogene Material gelangt in die Mischeinrichtung 21 und wird dort durch umlaufende Rührwerke gemischt, gleichzeitig wird fein zerstäubtes Wasser zugeführt, bis der entsprechende Feuchtigkeitsgehalt eingestellt ist. Das derart aufbereitete Material gelangt über ein Austragsventil 30 zu dem Vorratsbehälter 25.The removed from the reservoir 10 plastic granules is usually fed discontinuously to the conveyor 13, passes from there via the intermediate container to the hopper scale 19, which detects a certain amount, which is to be mixed with the hemp flour. By metering the hemp flour on the dosing screw 18 precise weighing is possible, the weighed material passes into the mixing device 21 and is mixed there by circulating agitators, at the same time finely atomized water is supplied until the appropriate moisture content is set. The thus prepared material passes through a discharge valve 30 to the reservoir 25th

Der von der Spritzgießmaschine gebildete thermoplastische Formkörper kann beispielsweise als Bauteil mit hervorragenden akustischen Eigenschaften, d.h. mit einer hohen Dämmwirkung in einem Fahrzeug Anwendung finden. Selbstverständlich kann das Bauteil auch als technisches Element zur Herstellung von Profilen für die Bauindustrie Anwendung finden.For example, the thermoplastic molded body formed by the injection molding machine may be used as a member having excellent acoustic properties, i. find application with a high insulating effect in a vehicle. Of course, the component can also be used as a technical element for the production of profiles for the construction industry.

Die Figur 2 zeigt den in Figur 1 beschriebenen Vorratsbehälter 25, welcher mit einer Rührwerkskonstruktion 31 versehen ist. Diese verbessert die Transportfähigkeit des zugeführten Gemisches und besteht aus einer Antriebswelle 32, die von einem hier nicht dargestellten Motor angetrieben wird. An der Antriebswelle 32 sind einzelne Rührstäbe 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 und 45 in unterschiedlicher Ausgestaltung angeordnet. Diese Rührstäbe können nach Bedarf auch an anderen Positionen befestigt werden und lassen sich damit optimal auf die Konsistenz der zugeführten Mischung einstellen. Am unteren Ende der Antriebswelle 32 befindet sich ein Paddel 64, das auch in diesem Bereich des Vorratsbehälters für einen guten Transport des Behälterinhaltes sorgt.FIG. 2 shows the reservoir 25 described in FIG. 1, which is provided with a stirrer construction 31. This improves the transportability of the supplied mixture and consists of a drive shaft 32 which is driven by a motor, not shown here. On the drive shaft 32 individual stirring rods 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 and 45 are arranged in a different configuration. These stirrers can be attached to other positions as required and can thus be optimally adjusted to the consistency of the mixture supplied. At the lower end of the drive shaft 32 is a paddle 64, which ensures good transport of the container contents in this area of the reservoir.

Figur 3 zeigt eine Variante zur Befüllung des Vorratsbehälters 15 in Figur 1. Es handelt sich um einen Absaugbehälter 46, der mit einem Saugrüssel 47 ausgestattet ist. Der Saugrüssel ist an einer Seitenwange des Absaugbehälters 46 eingesteckt und arbeitet mit Unterdruck, d. h. das in dem Absaugbehälter 46 befindliche Material - in diesem Fall Hanfmehl - wird mit Unterdruck über den Saugrüssel 47 dem Vorratsbehälter 15 zugeführt. Innerhalb des Absaugbehälters 46 befindet sich eine Auflockerungseinrichtung 48, bestehend aus einer Welle 49 und daran angeordneten Stäben 50, 51, 52, 53, 54, 55, 56. Die Welle wird von einem Elektromotor 57 angetrieben. Durch das Drehen der Welle lockern die Stäbe das in dem Behälter befindliche Hanfmehl auf und sorgen dafür, dass sich im unteren Bereich, d. h. im Bereich des Saugrüssels 47 keine Brücken oder Hohlräume bilden. Der Rüssel ist seitlich versetzt zu der Auflockerungseinrichtung 48 angeordnet. Gleichzeitig unter einem Winkel von etwa 10° bis 20° derart geneigt, dass sich die Ansaugstelle 58 nahe des letzten Rührstabes 56 befindet. Der Saugrüssel 47 ist mit einem Rohr 59 ausgestattet, das bis zu dem Vorratsbehälter geführt ist. Auf dem Absaugbehälter befindet sich ein Deckel 60. Zum Einfüllen von Hanfmehl über einen Transportsack oder Ähnliches wird der Deckel 60 abgenommen. Ausgerüstet mit Rollen 61, 62 und einem Transportgriff 63 ist der Absaugbehälter verschiebbar und lässt sich damit an unterschiedliche örtliche Gegebenheiten anpassen.Figure 3 shows a variant for filling the reservoir 15 in Figure 1. It is a suction container 46 which is equipped with a suction nozzle 47. The proboscis is plugged into a side wall of the suction container 46 and operates with negative pressure, d. H. the material contained in the suction container 46 - in this case hemp flour - is supplied to the storage container 15 with negative pressure via the suction pipe 47. Within the suction container 46 is a loosening device 48, consisting of a shaft 49 and bars 50, 51, 52, 53, 54, 55, 56 arranged thereon. The shaft is driven by an electric motor 57. By turning the shaft, the rods loosen the hemp flour contained in the container and ensure that in the lower area, d. H. form no bridges or cavities in the area of the suction pipe 47. The trunk is arranged laterally offset to the loosening device 48. At the same time inclined at an angle of about 10 ° to 20 ° so that the suction point 58 is close to the last stirring rod 56. The suction nozzle 47 is equipped with a tube 59 which is led to the reservoir. On the suction container there is a lid 60. For filling of hemp flour on a transport bag or the like, the lid 60 is removed. Equipped with rollers 61, 62 and a transport handle 63, the suction container is displaceable and can thus be adapted to different local conditions.

Claims (9)

Zufuhrvorrichtung für eine oder mehrere Komponenten eines rieselfähigen Aufgabegutes zu einer Verarbeitungsmaschine,
wobei die folgenden Komponenten umfasst: eine Fördereinrichtung für eine erste Komponente des Aufgabegutes, eine Dosiereinrichtung für eine zweite Komponente aus pflanzlichen Fasermaterialien, eine gravimetrische Einrichtung zur Bestimmung der zugeführten Menge von erster und zweiter Komponente, eine Mischeinrichtung für die beiden Komponenten,
wobei der Mischeinrichtung Flüssigkeit, insbesondere Wasser, zudosiert wird, und
wobei ein nachgeschalteter Förderbehälter zur Abgabe der gemischten Komponenten an die Verarbeitungsmaschine vorgesehen ist.Supply device for one or more components of a free-flowing feed to a processing machine,
wherein the following components: a conveying device for a first component of the feed material, a metering device for a second component of vegetable fiber materials, a gravimetric device for determining the supplied amount of first and second component, a mixing means for the two components,
wherein the mixing device is metered liquid, in particular water, and
wherein a downstream delivery container is provided for dispensing the mixed components to the processing machine. Zufuhrvorrichtung nach Anspruch 1, wobei die Flüssigkeit fein zerstäubt den beiden Komponenten zugeführt wird.Feed device according to claim 1, wherein the liquid is finely atomized fed to the two components. Zufuhrvorrichtung nach Anspruch 1 und 2, wobei die zweite Komponente aus biologisch abbaubarem Material, z. B. Hanf, in gemahlener Form besteht.Feed device according to claim 1 and 2, wherein the second component of biodegradable material, for. B. hemp, in ground form. Zufuhrvorrichtung nach einem der vorherigen Ansprüche, wobei die erste Komponente ein Kunststoffgranulat, insbesondere ein thermoplastisches Kunststoffgranulat ist.Feed device according to one of the preceding claims, wherein the first component is a plastic granules, in particular a thermoplastic plastic granules. Zufuhreinrichtung nach einem der vorherigen Ansprüche, wobei die erste Komponente über eine Saugförderung aus einem Vorratsbehälter entnommen wird und über einen Zwischenbehälter zu der gravimetrischen Einrichtung geführt wird.Feed device according to one of the preceding claims, wherein the first component is removed via a suction conveyor from a storage container and is guided via an intermediate container to the gravimetric device. Zufuhrvorrichtung nach einem der vorherigen Ansprüche, wobei die Mischung der Komponenten einen Wassergehalt von 0,3 - 8,0 Gewichtsprozenten aufweist.Feed device according to one of the preceding claims, wherein the mixture of the components has a water content of 0.3 to 8.0 percent by weight. Zufuhrvorrichtung nach einem der vorherigen Ansprüche, wobei die Verarbeitungsmaschine eine Spritzgießmaschine oder ein Extruder für thermoplastische Kunststoffe ist und eine thermoplastische Umformung bei der für Kunststoffe üblichen Temperatur erfolgt.Feed device according to one of the preceding claims, wherein the processing machine is an injection molding machine or an extruder for thermoplastics and a thermoplastic forming takes place at the usual temperature for plastics. Verfahren zur Herstellung eines thermoplastischen Formkörpers,
wobei Partikel eines pflanzlichen Materials mit mindestens einem thermoplastischen Kunststoff vermischt und als Rohstoffmischung unter Zuführung von Flüssigkeit, insbesondere Wasser, einer Verarbeitungsmaschine zugeführt werden,
wobei eine erste Komponente in Form eines Kunststoffgranulats aus einem Vorratsbehälter in einen Zwischenbehälter gefördert wird und von dort einer gravimetrischen Einrichtung zuführbar ist,
wobei der gravimetrischen Einrichtung ferner ein pflanzliches Fasermaterial, insbesondere Hanfmehl, zudosiert wird und die beiden Komponenten in einer Mischeinrichtung unter Zuführung von fein zerstäubter Flüssigkeit, insbesondere Wasser, zu einer homogenen Mischung verarbeitet werden und diese homogene Mischung in einer Verarbeitungsmaschine zu einem Formkörper umgeformt wird.Process for producing a thermoplastic molding,
wherein particles of a vegetable material mixed with at least one thermoplastic material and as a raw material mixture under supply of Liquid, in particular water, are fed to a processing machine,
wherein a first component in the form of a plastic granulate is conveyed from a storage container into an intermediate container and from there can be fed to a gravimetric device,
wherein the gravimetric device further a vegetable fiber material, especially hemp flour, is metered in and the two components are processed in a mixing device with feeding finely atomized liquid, in particular water, to a homogeneous mixture and this homogeneous mixture is formed in a processing machine to a shaped body. Verfahren nach Anspruch 8, wobei die Verarbeitungsmaschine eine Spritzgießmaschine oder ein Extruder ist.The method of claim 8, wherein the processing machine an injection molding machine or an extruder is.
EP07117413.0A 2006-10-10 2007-09-27 Feeder device for one or more components of free-flowing feeder product to a processing machine Not-in-force EP1930141B1 (en)

Applications Claiming Priority (1)

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DE200610048134 DE102006048134A1 (en) 2006-10-10 2006-10-10 Assembly to mix solid organic e.g. wood fibre particles into a malleable mass for subsequent conversion to a product e.g. particleboard

Publications (3)

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EP1930141A2 true EP1930141A2 (en) 2008-06-11
EP1930141A3 EP1930141A3 (en) 2010-12-22
EP1930141B1 EP1930141B1 (en) 2017-02-22

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US7784361B2 (en) * 2007-05-10 2010-08-31 Bong Tech, L.L.C. Electronic fluid dispensing apparatus and related method
CN102285093A (en) * 2011-06-03 2011-12-21 王根乐 Device for automatically controlling extruder to discharge material uniformly
CN104057595A (en) * 2014-06-04 2014-09-24 浙江太湖远大新材料有限公司 Mixing device of dual-order extruder

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DE19603491A1 (en) * 1996-01-31 1997-08-07 Abu Shaar Isam Production of fibrous cellulose@ material free from other plant components
DE10032804A1 (en) * 1999-06-29 2001-02-15 Hanf Faser Fabrik Uckermark Gm Natural fiber based pellet or granulate manufacturing process, involves wetting fibers and feeding them to a compression chamber
DE19949975A1 (en) * 1999-10-08 2001-05-31 Univ Dresden Tech Fabrication method for insulation and construction panels and molded parts uses dry lignocellulose fibers moistened in several stages and powderized binding agent added during moistening process
EP1438180B1 (en) * 2001-10-23 2006-04-19 Markus Dipl.-Ing. Rettenbacher Moulded body containing plastic and reinforced by natural fibres and manufacturing process
DE10301817A1 (en) * 2003-01-20 2004-07-29 MöllerTech GmbH Water-blown foamed plastic product manufacturing process, comprises melting a plastic compound and cellulose-based natural plant scrapings, injecting water and expanding by external pressure reduction
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US7784361B2 (en) * 2007-05-10 2010-08-31 Bong Tech, L.L.C. Electronic fluid dispensing apparatus and related method
CN102285093A (en) * 2011-06-03 2011-12-21 王根乐 Device for automatically controlling extruder to discharge material uniformly
CN102285093B (en) * 2011-06-03 2015-07-08 王根乐 Use of device for automatically controlling extruder to discharge material uniformly
CN104057595A (en) * 2014-06-04 2014-09-24 浙江太湖远大新材料有限公司 Mixing device of dual-order extruder

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DE102006048134A1 (en) 2008-04-17
EP1930141B1 (en) 2017-02-22

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