EP2735403B1 - Verfahren zur Recycling-Behandlung keramischer Teile in der Industrie der künstlichen Faser-Herstellung - Google Patents

Verfahren zur Recycling-Behandlung keramischer Teile in der Industrie der künstlichen Faser-Herstellung Download PDF

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Publication number
EP2735403B1
EP2735403B1 EP13194206.2A EP13194206A EP2735403B1 EP 2735403 B1 EP2735403 B1 EP 2735403B1 EP 13194206 A EP13194206 A EP 13194206A EP 2735403 B1 EP2735403 B1 EP 2735403B1
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EP
European Patent Office
Prior art keywords
ceramic part
ceramic
treatment
abrasive material
sand
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EP13194206.2A
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English (en)
French (fr)
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EP2735403A1 (de
Inventor
Peter Vogel
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Individual
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Individual
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Application granted granted Critical
Publication of EP2735403B1 publication Critical patent/EP2735403B1/de
Priority to HRP20151142TT priority Critical patent/HRP20151142T1/hr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives

Definitions

  • Object of the invention is a method for treatment ceramic parts, which are used in the industry of artificial synthetic fibers, for the purpose of recycling or more precisely controlled process of surface treatment with a view to the processing of the ceramic part to such a degree that it is achieved, that the ceramic part with the same purpose, or the same or similar characteristics is re-used in the production process of synthetic fibers as it has new ceramic part.
  • the present invention allows controlled mechanically treating the surface of ceramic by removing the damaged/modified surface in order to achieve a known end surface.
  • Ceramic parts used in the industry of synthetic fibers are usually made from high quality oxide ceramics, whose share of Al2O3 is about 99.6%.
  • the ceramic materials are characterized by high mechanical strength, stability at high temperatures (temp. of the melting point ⁇ 2000 °C), low coefficient of thermal expansion and corrosion resistance.
  • the ceramic parts, which are embedded in the manufacturing process are exposed to extreme operating conditions, such as high speed running artificial fibers (filament) to 5200 m/min, temperature from 30 to 80 °C, the quantity of matting agents ( from 0 % up to 1.6 % TiO 2 ) and the impact of the shape filament (trilobal, round). All previously described extreme conditions caused by constant changes in the surface of ceramic parts.
  • Ceramics is material widely used in fiber industry in the spinning, texturing, covering and downstream fiber processing. Mainly as Spin finish applicators, Pigtails, Tread guides ,discs for texturing yarns, Guide discs, working discs and knife discs, Jet plates, Traverse guides, Eyelets Ceramic, cutters Rollers, birotors, etc. spin finish applicators Pigtails Jet
  • Ceramics Chemical corrosion, friction, surface wear and electrostatic interaction during the production process demand ceramic material with high surface quality.
  • Mainly such ceramics are known as technical ceramics e.g. oxide ceramics Al2O3 purities more than 90% and with different additives to improve physical characteristics.
  • Due to requested ceramics structure which define high demanding mechanical properties the manufacturing process is composed of high temperature sintering conditions up to 1800 °C and time needed up to 200 minutes means high energy consumption. Therefore the ceramics parts present significant maintenance costs for fiber producers, especially when critical fibers are produced. Beside maintenance costs of fiber producers the production of new ceramic parts represent also a big environmental impact as energy consumption and toxic exhausting gases within sintering process.
  • the process according to the invention allows that the changed and/or damaged and/or worn ceramic parts of various sizes and shapes that constitute the waste by-product of the processes of production and processing of synthetic artificial fibers and similar processes can be restored by subjecting the specific process of treating the surface with abrasive means, to reach the final quality of the known structure of the surface.
  • the method of the invention allow to altered and/or damaged and/worn ceramic parts of different sizes and shapes, which are excluded from the production process of causing a variety of fiber tension, uneven application preparation oil, capillary breakage, the occurrence of loops in bobin and other physical and chemical changes in the fiber, which can lead to inhomogeneity of the fiber and a low production efficiency in the industry of synthetic artificial fibers and similar processes, exposed to controlled surface treatment by abrasive particles or sand-like particles (such as beads or diamond particles, or metal balls or particles) and other abrasive material in the form of spheres or particle, which can be used as a scrubbing agent for the surface treatment of the ceramic parts in order to achieve the same or very similar surface properties as a new ceramic works.
  • abrasive particles or sand-like particles such as beads or diamond particles, or metal balls or particles
  • other abrasive material in the form of spheres or particle which can be used as a scrubbing agent for the surface treatment of the ceramic
  • a ceramic parts A of various shapes and dimensions, with a modified and/or damaged surface is exposed to controlled process of treating the surface with an abrasive agent B, that is, abrasive particles, or sand-like particles (such as beads or diamond particles, or metal balls particles) and many other abrasive materials in the form of spheres or particles, which can be used as a scrubbing agent for the surface treatment of the ceramic parts ( Figure 1 ).
  • an abrasive agent B that is, abrasive particles, or sand-like particles (such as beads or diamond particles, or metal balls particles) and many other abrasive materials in the form of spheres or particles, which can be used as a scrubbing agent for the surface treatment of the ceramic parts ( Figure 1 ).
  • the method of recycling by treating ceramic parts A which is used in the industry of artificial synthetic fibers, is divided into three main stages, namely:
  • Figure 4 shows a comparison of the structure of the new ceramic part and the ceramic part, which has been treated with the procedure of processing ceramic parts according to the invention

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Inorganic Fibers (AREA)
  • Cleaning In General (AREA)

Claims (6)

  1. Recyclingverfahren durch Behandlung von Keramikteilen in einer Behandlungsvorrichtung, wobei die Teile zur Verwendung in der Industrie zur Herstellung von synthetischen Kunstfasern vorgesehen sind
    dadurch gekennzeichnet, dass
    es in drei Stufen erfolgt, und zwar: Vorbereitung des Keramikteils (A), Behandlung der Oberfläche des Keramikteils (A) mit einem Schleifmaterial (B) und Endbehandlung mit optischer Kontrolle.
  2. Verfahren nach Anspruch 1
    dadurch gekennzeichnet, dass
    bei der Herstellung des Keramikteils (A) das manuell oder maschinell bearbeitete Keramikteil (A) mit einer optischen Vergrößerungszoomvorrichtung von mehr als 30x überprüft, und die zerbrochenen oder beschädigten Bereiche der Keramikteile (A) entfernt werden.
  3. Verfahren nach Anspruch 1
    dadurch gekennzeichnet, dass
    während der Behandlung der Oberfläche des Keramikteils (A) mit dem Schleifmaterial (B) des optisch geprüfte Keramikteil (A) ins Bett der Vorrichtung zur Behandlung mit dem Schleifmaterial (B) eingefügt wird, wobei die Vorrichtung eine genau kontrollierte Düse (C), nach Vorprozessparametern, aufweist, die mit kontrolliert gerichteter Bewegung durch das statisch überspannende Keramikteil (A) die geänderte Oberfläche des Keramikteils (A) entfernt.
  4. Verfahren nach Anspruch 3
    dadurch gekennzeichnet, dass
    das Keramikteil (A) beweglich oder drehbar in der Behandlungsvorrichtung gelagert ist, oder das Keramikteil (A) im Bett der Vorrichtung zur Behandlung montiert ist und sich die Düse (C) darüber bewegt.
  5. Verfahren nach Ansprüche 3 und 4
    dadurch gekennzeichnet, dass
    der Winkel (D) der Sandstrahldüse (C) für das Schleifmaterial (B) hinsichtlich der Aufprallposition der Oberfläche des Keramikteils (A) zwischen 0° und 180 ° beträgt;
    das Schleifmaterial (B) Sand oder sandähnliches Material wie Korund 220 und Korund 70 ist;
    die Größe der Sandstrahldüse (C) für das Schleifmaterial (B) zwischen 0,01 mm und 1 cm beträgt;
    die Geschwindigkeit oder die Zeit, die zur Bearbeitung mit dem Schleifmaterial (B) benötigt wird, zwischen 1 sec und 3 Minuten beträgt;
    der Druck der Sandstrahlvorrichtung mehr als 2 bar beträgt.
  6. Verfahren nach Anspruch 3
    dadurch gekennzeichnet, dass
    in der Endbehandlung des Keramikteils (A) dessen Oberfläche durch ein schonendes Pollerverfahren im Bereich, in dem die geänderte Oberfläche entfernt wurde, behandelt wird, und alternativ ein Ultraschallbad verwendet wird, dem eine visuelle Überprüfung der bearbeiteten Oberfläche des Keramikteils (A) folgt.
EP13194206.2A 2012-11-26 2013-11-25 Verfahren zur Recycling-Behandlung keramischer Teile in der Industrie der künstlichen Faser-Herstellung Active EP2735403B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20151142TT HRP20151142T1 (hr) 2012-11-26 2015-10-28 Postupak obrade keramiäśkih dijelova, koji se koriste u industriji umjetnih sintetiäśkih vlakana, u svrhu recikliranja

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI201200360A SI24226B (sl) 2012-11-26 2012-11-26 Postopek obdelave keramičnih delov, ki se uporabljajo v industriji umetnih sintetičnih vlaken, v namen recikliranja

Publications (2)

Publication Number Publication Date
EP2735403A1 EP2735403A1 (de) 2014-05-28
EP2735403B1 true EP2735403B1 (de) 2015-08-12

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ID=49816779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13194206.2A Active EP2735403B1 (de) 2012-11-26 2013-11-25 Verfahren zur Recycling-Behandlung keramischer Teile in der Industrie der künstlichen Faser-Herstellung

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Country Link
EP (1) EP2735403B1 (de)
HR (1) HRP20151142T1 (de)
SI (1) SI24226B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115229688B (zh) * 2022-07-27 2023-12-05 怀化伯立迅科技有限公司 一种防静电的镜面喷射枪头

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB596963A (en) * 1945-08-08 1948-01-14 Samuel Wilkinson Dronsfield Improvements in or relating to grinders for textile machinery
US3839769A (en) * 1973-06-18 1974-10-08 Deering Milliken Res Corp Apparatus to produce non-woven fabric
DE19705197C1 (de) * 1997-02-12 1998-12-10 Gerhard Dipl Ing Wanger Gaslagerung eines schnelldrehenden Werkzeugs

Also Published As

Publication number Publication date
SI24226A (sl) 2014-05-30
SI24226B (sl) 2016-01-29
EP2735403A1 (de) 2014-05-28
HRP20151142T1 (hr) 2015-11-20

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