EP1184490B1 - Dispositif de défibrage de matières premieres renouvelables du type tige et/ou feuille - Google Patents

Dispositif de défibrage de matières premieres renouvelables du type tige et/ou feuille Download PDF

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Publication number
EP1184490B1
EP1184490B1 EP01120047A EP01120047A EP1184490B1 EP 1184490 B1 EP1184490 B1 EP 1184490B1 EP 01120047 A EP01120047 A EP 01120047A EP 01120047 A EP01120047 A EP 01120047A EP 1184490 B1 EP1184490 B1 EP 1184490B1
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EP
European Patent Office
Prior art keywords
drum
sieve drum
sieve
tools
grinders
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01120047A
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German (de)
English (en)
Other versions
EP1184490A1 (fr
Inventor
E. E. Dr.-Ing. Prof. Schilling
Dagmar Dr. Gaese
Josef Rickert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raiffeisen-Waren-Zentrale Rhein-Main eG
Original Assignee
Raiffeisen-Waren-Zentrale Rhein-Main eG
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Publication date
Application filed by Raiffeisen-Waren-Zentrale Rhein-Main eG filed Critical Raiffeisen-Waren-Zentrale Rhein-Main eG
Publication of EP1184490A1 publication Critical patent/EP1184490A1/fr
Application granted granted Critical
Publication of EP1184490B1 publication Critical patent/EP1184490B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
    • D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
    • D01B1/10—Separating vegetable fibres from stalks or leaves
    • D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
    • D01B1/24—Breaking or scutching, e.g. of flax; Decorticating with toothed or other pointed devices

Definitions

  • defibration is generally understood the dissolution of a fabric with fiber structure in fiber bundles or single fibers.
  • the defibration comes so far mainly in the paper and pulp industry great importance.
  • the applied mechanical Defibration exploits the fact that the bonds between the Fibers are weaker than inside the fibers. The stress should as possible only shear stresses in the direction of the fibers, supported by perpendicular thereto Tensile stresses generate, while tensile stresses in the fiber direction to rupture lead the individual fibers.
  • machines for pulping in the paper and pulp industry are the dutchman and the disc mill, in particular toothed disc mill with two Pulleys, one rotates and the other stands still.
  • the slab mill intended for wet fiberization consists of two flat ones Washers or hollow cones arranged horizontally or vertically on a shaft are.
  • One disc (rotor) rotates, the other (stator) stops.
  • the grinding surfaces The discs are either ribbed or own in Tooth Disc Mills ribs concentric, interlocking toothed rings with sharp edges.
  • cone pulp mills with a fixed, equipped with knives cone-shaped housing in which a magnified truncated cone, known.
  • the above cases are machines for wet fiberization.
  • DE 437 931 C is a device for defoaming plant stems and described for post-purification of the obtained, spinnable fibers.
  • This Device act on a equipped with milling tools on its outer circumference Milling drum and also on the outer circumference with fiber material picking tools equipped doffer roller together so that the doffer roll first the Fiber material from the cutter drum decreases and then the entire fibers returned to the milling drum for subsequent cleaning, with milling drum and doffer roll are wrapped in certain peripheral areas of the ridges.
  • Fibers from fibrous leaves and similar parts of plants rotate on their Outer circumference equipped with needles needle drum in a solid wall housing, the having an opening for a Fasergut take-off roller pair. Between the pulp loading point and the pulp discharge opening projects in the opposite direction Needle drum rotating groin shaft through the housing wall, with tools equipped to exert a scraping effect on the fiber material.
  • a rotor Inside the drum, a rotor is mounted, which also with Carding teeth is equipped to break up or carding the straw with the straw Carding teeth of the drum interact.
  • the carding teeth of the rotor are at radial aligned plate-shaped elements attached, the solid-walled substantially over the entire space between the rotor hub and the drum inner wall extend. It is thus formed compartments, wherein in the area of the carding teeth bearing, plate-shaped elements free movement of flax straw in the circumferential direction is prevented.
  • Above and below the elements supporting the carding teeth are fixed to the rotor hub ring disks whose outer circumference to near the drum inner wall enough, whereby a material transport only by relatively narrow material paths between the rotor and drum is possible.
  • the invention is based on the object, a contrast improved device fordovzermaschineung stem, leaf and / or pearled raw materials to create the obtained frayed material, which should contain only a very small amount of dust, then to be able to press into pellets which are used as bedding material for animals without thereby limiting the use of the fiberized material to this field of use is limited.
  • the screen drum on its inner wall with crushing tools in the form of radially inwardly directed, tooth-like projections is provided, and wherein on the rotor substantially axially extending, radially outwardly directed brackets are attached, at their ends axially extending carrier strips are fixed, which cooperate with the mounted on the drum crushing tools equipped with radially outwardly crushing tools are, the object underlying the invention is achieved in that the brackets the shape of support arms have the carrier strips attached to these support arms equipped with radially inwardly directed crushing tools, and that on the free edge of the screening drum are fixed radially inwardly directed arms, at their ends axially oriented in the screen drum carrier strips are mounted, which cooperate with the radially inwardly directed crushing tools with radially outward directed crushing tools are equipped.
  • the dry drum material supplied to the drum can be almost unhindered move through the sieve drum both in the axial direction and in the circumferential direction, on the one hand accelerates radially outwards with rotating rotor and between frayed in the direction of circulation past each other crushing tools be, where even during crushing increased dust accumulation is avoided.
  • the arm-shaped design of the rotor mounted on the radially outward directed carrier attached to the ends of this arm-shaped carrier carrier strips be equipped on both sides with crushing tools, which essentially two There are defibration stages, namely a coarse fiberization between the inside directed crushing tools of the stator and the radially outwardly crushing tools of the rotor, and a fine crushing between the on the inner wall the stator mounted crushing tools and the outward-facing Crushing tools on the rotor.
  • the axially fed to the drum, dry raw material is at circulating Rotor accelerated radially outward and between the in the direction of rotation together frayed by passing crushing tools, assuming that can be that on the stem or halmy raw materials both shear stresses towards the fibers, supported by perpendicular tensile stresses as well Tensile stresses are exerted in the fiber direction.
  • the discharge of the shredded material takes place through the formed as a sieve drum lateral surface of the stator, wherein depending on the particle size of the shredded material, the sieve hole size in the suitable manner is selected, thereby the residence time of the goods in the Increase or decrease the drum accordingly.
  • Sieblochstill in the range of about 5 x 5 mm for a rectangular hole or a corresponding opening cross-sectional area round perforation proved.
  • the reaming tools on the inner wall of the screen drum are preferably as reaming tools in the manner of a kitchen grater with pointed and / or scharkantigen Formed protrusions.
  • the reaming tools are preferably axially aligned, preferably replaceable friction tracks.
  • the stator 2 includes a screen drum 2.2, whose screen openings, for example, a Cross section of 5 x 5 mm or a corresponding cross-sectional area in circular Have sieve openings.
  • a screen drum 2.2 At the top of the sieve drum 2.2 are several, for example attached four radially inwardly directed arms 2.3, whose length is smaller than half the radius of the sieve drum 2.2.
  • support strips 2.4 At the inner ends of the arms 2.3 axially oriented in the sieve drum 2.2 are fixed radially outwardly directed comminution tools, preferably in the form of saw blades 7, wear.
  • the rotor 5 comprises a plurality, preferably four radially attached to the rotor hub 5a inwardly directed rotor arms 5.1, at their ends axially directed carrier strips 5.2 are attached, both radially inward and radially outward directed crushing tools, preferably in the form of saw blades 10 or 11, are equipped.
  • the saw blades 7 of the stator 2 and the saw blades 10 and 11 of the rotor 5 are by means of screws 7.1 so on the carrier strips 2.4 and 5.2 attached, that they change the gap width between the cooperating Shredding tools are adjustable in the radial direction.
  • the screen drum can be a cylinder drum as shown; she can, however also as a conical drum with the drum floor expanding or tapering Cross section be formed.
  • the height and the diameter of the sieve drum are dependent on the fibrous material, the desired material throughput and the desired Degree of fiberization designed.
  • the drum axis may include an angle between 0 ° and 90 ° relative to the vertical.
  • the peripheral speed of the rotor 5 in the region of the support strips 5.2 can be between 5m / s and 25m / s, again depending on the fiber to be fibrillated Material, the desired material throughput and the desired Zerfaserungsgrad.
  • the peripheral speed should, however, depending on the fibrillating raw material to be set to such a value that only a relative low dust content is obtained.
  • the rotor 2 is preferably arranged in a housing, not shown, the has a Zerfaserungsgut-discharge, preferably to a dedusting, is preferably connected in the form of a centrifugal separator.
  • the device according to the invention can be substantially all renewable stem, halo and / or leaf-like plants such as cereal, rapeseed and Processing corn straw and alfalfa, hay and so on.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Fodder In General (AREA)
  • Glass Compositions (AREA)
  • Housing For Livestock And Birds (AREA)

Claims (15)

  1. Dispositif pour le défibrage de matières premières renouvelables du type tige, paille et/ou feuille, contenant un stator conçu comme tambour tamiseur (2.2) et un rotor (5), le tambour tamiseur (2.2) étant pourvu sur sa paroi intérieure d'outils de broyage (8, 9) sous la forme de saillies en forme de dents et orientées radialement vers l'intérieur, et des fixations agencées sensiblement axialement et orientées radialement vers l'extérieur étant fixées sur le rotor, fixations sur les extrémités desquelles sont fixées des baguettes supports (5.2) agencées axialement, qui sont équipées d'outils de broyage (10) orientés radialement vers l'extérieur pour l'interaction avec les outils de broyage (8, 9) placés sur le tambour tamiseur (2.2), caractérisé en ce que les fixations ont la forme de bras supports (5.1), en ce que les baguettes supports (5.2) fixées sur ces bras supports sont équipées d'outils de broyage (11) orientés radialement vers l'intérieur, et en ce que sur le bord libre du tambour tamiseur (2.2) sont fixés des bras (2.3) orientés radialement vers l'intérieur, sur les extrémités desquels sont placées des baguettes supports (2.4) orientées axialement dans le tambour tamiseur (2.2), qui sont équipées d'outils de broyage (7) orientés radialement vers l'extérieur pour l'interaction avec les outils de broyage (11) orientés radialement vers l'intérieur.
  2. Dispositif selon la revendication 1, caractérisé en ce que la longueur des bras (2.3) est inférieure au demi-rayon de tambour.
  3. Dispositif selon la revendication 1 et/ou 2, caractérisé en ce que les outils de broyage placés sur les baguettes supports (2.4 et 5.2) ont la forme de lames de scie (7 et 10, 11).
  4. Dispositif selon la revendication 2, caractérisé en ce que les outils de broyage fixés sur les baguettes supports (2.4 et 5.2) sont déplaçables dans le sens radial.
  5. Dispositif selon la revendication 1, caractérisé en ce que les outils de broyage placés sur la paroi intérieure du tambour tamiseur (2.2) sont conçus comme des outils de frottement à la façon d'une râpe de cuisine avec des saillies pointues et/ou à arêtes vives.
  6. Dispositif selon la revendication 5, caractérisé en ce que les outils de broyage placés sur la paroi interne du tambour tamiseur sont conçus comme des baguettes de frottement orientées axialement, de préférence interchangeables.
  7. Dispositif selon la revendication 1, caractérisé en ce que les outils de broyage placés sur la paroi interne du tambour tamiseur (2.2) sont conçus comme des dents pointues et/ou à arêtes vives.
  8. Dispositif selon la revendication 1, caractérisé en ce que les outils de broyage (9) placés sur la paroi interne du tambour tamiseur (2,2)sont conçus comme des baguettes de temporisation agencées axialement.
  9. Dispositif selon la revendication 1, caractérisé en ce que le tambour tamiseur (2.2) est un tambour cylindrique.
  10. Dispositif selon la revendication 1, caractérisé en ce que le tambour tamiseur est un tambour conique et les baguettes supports (2.4 et 5.2) suivent l'inclinaison de l'enveloppe de tambour conique.
  11. Dispositif selon la revendication 1, caractérisé en ce que l'axe du tambour tamiseur est orienté sous un angle de 0° à 90° par rapport à la verticale.
  12. Dispositif selon la revendication 1, caractérisé en ce que le tambour tamiseur est placé à l'intérieur d'un boítier qui présente une ouverture d'évacuation pour le matériau de défibrage.
  13. Dispositif selon la revendication 12, caractérisé en ce qu'une installation de dépoussiérage, de préférence sous la forme d'un séparateur à force centrifuge, est raccordée à l'ouverture d'évacuation pour le matériau de défibrage.
  14. Dispositif selon la revendication 1, caractérisé en ce que le tambour tamiseur est pourvu d'ouvertures à trou de tamisage dans la zone d'environ 5 x 5 mm.
  15. Dispositif selon la revendication 1, caractérisé en ce que le tambour tamiseur présente des ouvertures de tamisage de forme circulaire avec une surface de section dans la zone de 25 mm2.
EP01120047A 2000-08-28 2001-08-21 Dispositif de défibrage de matières premieres renouvelables du type tige et/ou feuille Expired - Lifetime EP1184490B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10042195 2000-08-28
DE10042195A DE10042195C2 (de) 2000-08-28 2000-08-28 Vorrichtung zur Zerfaserung von stengel-, halm- und/oder blattartigen, nachwachsenden Rohstoffen

Publications (2)

Publication Number Publication Date
EP1184490A1 EP1184490A1 (fr) 2002-03-06
EP1184490B1 true EP1184490B1 (fr) 2005-11-02

Family

ID=7654036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01120047A Expired - Lifetime EP1184490B1 (fr) 2000-08-28 2001-08-21 Dispositif de défibrage de matières premieres renouvelables du type tige et/ou feuille

Country Status (7)

Country Link
US (1) US6631862B2 (fr)
EP (1) EP1184490B1 (fr)
AT (1) ATE308632T1 (fr)
CA (1) CA2355998C (fr)
DE (1) DE10042195C2 (fr)
DK (1) DK1184490T3 (fr)
HK (1) HK1044972B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106140441A (zh) * 2016-06-26 2016-11-23 林�智 一种小型棉花秸秆粉碎机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3687962B2 (ja) * 2001-09-19 2005-08-24 有限会社勝山テクノス 筍の皮の利用方法
EP1712286A1 (fr) * 2005-04-13 2006-10-18 Umberto Manola Dispositif pour préparation de matériaux secs
US9392908B2 (en) * 2012-06-11 2016-07-19 Sc Shredder Ip, Llc Herb grinder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE437931C (de) * 1925-05-09 1926-11-30 Emil Gminder Dr Verfahren zum Entfasern von Pflanzenstengeln und zur Nachreinigung der gewonnenen Faser
DE856553C (de) 1941-04-08 1952-11-24 Focke Wulf Flugzeugbau Ges Mit Einrichtung zur Verringerung der Tragwerksbeanspruchung eines Flugzeuges beim Abfangen, z. B. aus dem Sturzflug, mittels Klappen oder Hilfsfluegel
DE845553C (de) * 1949-07-20 1953-03-12 Johannes Hubert Vorrichtung zur Gewinnung verspinnbarer Fasern aus faserhaltigen Blaettern und aehnlichen Pflanzenteilen und Verfahren zum Abheben der Fasern von einer Nadeltrommel
US2886254A (en) * 1957-09-03 1959-05-12 Rohlinger Demountable and separable pulverizer
US4004738A (en) * 1975-09-19 1977-01-25 E. I. Du Pont De Nemours And Company Method of and apparatus for shredding a web of plastic film
US4663030A (en) * 1985-02-08 1987-05-05 The Black Clawson Company Disk rotor for selectifier screen
NL8901226A (nl) * 1989-05-17 1990-12-17 Inst Voor Bewaring Inrichting voor het verwerken van vlasstro, alsmede vlasstro-opener en trommel daarvoor.
JP3201496B2 (ja) * 1993-03-23 2001-08-20 株式会社サタケ 研削式竪型精米機
PH31195A (en) * 1995-05-08 1998-04-24 Satake Eng Co Ltd Abrasive type vertical grain milling machine.
DE19735513B4 (de) * 1997-08-16 2013-09-12 B. Maier Zerkleinerungstechnik Gmbh Prallmühle zum Erzeugen von Feinspänen aus Holzschnitzeln
DE19813397A1 (de) * 1998-03-26 1999-10-07 Rolf Hesch Vorrichtung und Verfahren zur Vorauflösung und Abkürzung von Fasergewächsen sowie zum Trennen von Fasern und Holzteilen/Schäben

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106140441A (zh) * 2016-06-26 2016-11-23 林�智 一种小型棉花秸秆粉碎机

Also Published As

Publication number Publication date
DE10042195C2 (de) 2003-06-26
HK1044972B (zh) 2006-05-19
CA2355998C (fr) 2005-03-29
DK1184490T3 (da) 2006-03-20
US6631862B2 (en) 2003-10-14
CA2355998A1 (fr) 2002-02-28
DE10042195A1 (de) 2002-03-28
HK1044972A1 (en) 2002-11-08
EP1184490A1 (fr) 2002-03-06
US20020030131A1 (en) 2002-03-14
ATE308632T1 (de) 2005-11-15

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