WO2015104259A1 - Dispositif de filière - Google Patents

Dispositif de filière Download PDF

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Publication number
WO2015104259A1
WO2015104259A1 PCT/EP2015/050094 EP2015050094W WO2015104259A1 WO 2015104259 A1 WO2015104259 A1 WO 2015104259A1 EP 2015050094 W EP2015050094 W EP 2015050094W WO 2015104259 A1 WO2015104259 A1 WO 2015104259A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
sand
candle
melt
plate
Prior art date
Application number
PCT/EP2015/050094
Other languages
German (de)
English (en)
Inventor
Ulrich Enders
Klaus Schäfer
Original Assignee
Oerlikon Textile Gmbh & Co. Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oerlikon Textile Gmbh & Co. Kg filed Critical Oerlikon Textile Gmbh & Co. Kg
Priority to EP15700273.4A priority Critical patent/EP3092330A1/fr
Priority to JP2016545817A priority patent/JP6605479B2/ja
Priority to CN201580004285.9A priority patent/CN105917037B/zh
Publication of WO2015104259A1 publication Critical patent/WO2015104259A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/10—Filtering or de-aerating the spinning solution or melt
    • D01D1/106—Filtering

Definitions

  • the invention relates to a spinneret device for melt spinning a plurality of filaments of a polymer melt according to the preamble of claim 1.
  • spinneret devices which spin a plurality of the finest filaments from an added melt stream of a polymer.
  • the polymer melt has a high degree of purification and uniform homogeneity.
  • spinneret devices have at least one filter element.
  • the pressure drop as well as the shear before spinning and mixing of the polymer melt must be fulfilled in order to ensure homogeneity in addition to the purity.
  • DE 101 40 116 A1 proposes a spinneret device which has a filter device with a plurality of ring filter elements.
  • the ring filter elements are arranged in a series circuit one behind the other, so that overall sets a better depth effect and a much larger filter surface.
  • such ring filter elements basically have the disadvantage that the polymer melt is insufficiently mixed when penetrating the ring filter elements.
  • the unavoidable seams on the ring filter elements are to be regarded as particularly critical.
  • a spinnerette device is known in which only a single ring filter element is used, which cooperates with a mixing device in the interior of the housing.
  • the mixing device is arranged in the interior of the annular filter element, so that only a limited filter depth is available for filtering the polymer melt.
  • a spinneret device in which a plurality of candle-shaped filter elements cooperate together with a shear plate.
  • the shearing and mixing of the melt is carried out immediately before the nozzle plate by an additional shear means.
  • the inevitably uneven flow through the filter cartridges also leads to different contaminants, which still favor the unevenness of the flow.
  • Another object of the invention is to provide a spinneret of the generic type with a filter device, which has a high Has flexibility to adjust a filtration, shear and mixing of the polymer melt.
  • melt inlet associated with the first filter element are formed by a ring-shaped candle filter and another nozzle openings of the nozzle plate upstream filter element by a sand filter.
  • the invention is characterized in that the functions for the preparation of the polymer melt prior to spinning by separate filter elements are executable.
  • the function of the filtration and the function of the shear can advantageously be carried out by different filter materials.
  • the first filter element designed as an annular candle filter offers the possibility of realizing a filtration with a relatively large filter surface with a correspondingly long service life.
  • the sand filter arranged downstream of the annular candle filter offers the particular advantage of mixing and shearing the polymer melt with or without an additional filtering action.
  • the polymer melt prior to spinning through the nozzle openings of the nozzle plate is highly uniformed.
  • the development of the invention is preferably carried out, in which the candle filter has a filter fineness that is greater than a filter fineness of Sand filter.
  • the candle filter has a filter fineness that is greater than a filter fineness of Sand filter.
  • the candle filter has a filter fineness which is smaller than a filter fineness of the sand filter.
  • the polymer melt is filtered solely by the annular candle filter.
  • the following sand filter is advantageously used essentially only for mixing and shearing the polymer melt, for example to obtain a specific temperature level within the melt.
  • the candle filter is preferably designed with a filter fineness in the range between 5 ⁇ m and 200 ⁇ m.
  • a filter fineness in the range between 5 ⁇ m and 200 ⁇ m.
  • the radial flow through the candle filter is preferably favored by the development of the invention, in which the candle filter is disposed within the housing between an outer retaining ring and an inner displacement body, wherein the candle filter relative to the displacement body has a support tube and forms a collection chamber.
  • a flow can be realized radially inwardly from the outside to the inside through the jacket of the candle filter.
  • the feed of the polymer melt is preferably favored by a displacement head of the displacement body formed above the candle filter, which forms an inlet chamber with the inlet plate.
  • the development of the invention is provided, in which the sand filter is preferably formed by a Sandauf thoroughlyung from a quartz sand or a metal powder in a recess of a filter plate, which is held in the housing above the nozzle plate.
  • the filter plate has a plurality of bores in the bottom of the recess, which are covered by a supporting fabric in relation to the sand bedding. So a uniform flow through the sand filter is possible.
  • the invention can advantageously be improved by arranging a pressure drop plate between the sand filter and the nozzle plate, having at least one passage opening. By the number and shape of the passage opening in the pressure drop plate can be advantageous also realize the melt distribution directly in a distribution chamber upstream of the nozzle plate.
  • the spinneret device according to the invention is in principle suitable for spinning all types of polymers customary for fiber production.
  • the nozzle openings in the nozzle plate can be formed in a planar or annular arrangement.
  • FIG. 1 shows schematically a cross-sectional view of a first embodiment of the spinneret device according to the invention
  • Fig. 2 shows schematically a cross-sectional view of another embodiment of the spinneret device according to the invention
  • FIG. 1 schematically shows a cross-sectional view of a first embodiment of the spinneret device according to the invention for melt-spinning a multiplicity of filaments from a polymer melt.
  • the spinnerette device has a hollow cylindrical housing 1, which has a fastening thread 21 at an open end. At the opposite end of the housing 1 since housing 1 is closed by a nozzle plate 2.
  • the nozzle plate 2 has a plurality of nozzle openings 3, which completely penetrate the nozzle plate 2 preferably in several diameter stages.
  • the filter device 4 is arranged between an inlet adapter 5 and the nozzle plate 2 within the housing 1.
  • the inlet adapter 5 in the upper region of the housing 1 has a melt inlet 6, which completely penetrates the inlet adapter 5.
  • the filter device 4 has a plurality of filter elements 4.1 and 4.2, which are arranged one behind the other within the housing 1.
  • a first filter element associated with the melt inlet 6 is designed as a candle filter 4.1.
  • the candle filter 4.1 is annular and is supported by a lower end on a retaining collar 22 of the retaining ring 7.
  • the candle filter 4.1 has an inner support tube 12, which is surrounded by a pressed filter material 11.
  • the upper end of the annular candle filter 4.1 is held by a displacement body 8, which is conical inside the candle filter 4.1 and forms a collecting chamber 14 extending between the support tube 12 and the displacement body 8.
  • the displacement body 8 has a displacement head 9, which seals the upper end of the annular candle filter 4.1.
  • a resilient spacer 10 is arranged, so that between the input Lassadapter 5 and the displacement body 8 sets a free space. Likewise, a further clearance is formed between the retaining ring 7 and the cartridge filter 4.1.
  • the free spaces formed between the melt inlet 6 and the candle filter 4.1 are referred to here as the inlet chamber 13. The distribution of the molten polymer supplied via the Schmezeeinlass 6 melt into the inlet chamber 13 is thereby determined essentially by the displacer 9.
  • the filter plate 16 which has a circular recess 17 which is larger in diameter than an outer diameter of the candle filter 4.1.
  • a Sandauf sectionung 18 of the sand filter 4.2 is included in the recess 17, a Sandauf sectionung 18 of the sand filter 4.2 is included.
  • the sand fill 18 may in this case be formed from a quartz sand or alternatively from a metal powder.
  • the sand filter 4.2 on a support fabric 19, which covers a plurality of holes 20 in the bottom of the recess 17 of the filter plate 16.
  • the holes 20 at the bottom of the filter plate 16 open into a distribution chamber 15 which is formed between the filter plate 16 and the nozzle plate 2.
  • the collection chamber 14 is formed between the displacer 8 and the sand filter 4.2, which extends axially to an upper end of the candle filter 4.1.
  • the spinneret device is fastened via the attachment thread 21 to a spinneret receptacle, wherein the inlet adapter 5 is pressure-tightly coupled to a melt supply device.
  • a polymer melt under a predetermined pressure of a ner spin pump introduced into the melt inlet 6 and initially passed into the inlet chamber 13.
  • the polymer melt flows through in the radial direction from outside to inside the candle filter 4.1.
  • a filtration of the melt takes place.
  • the filter material 11 of the candle filter 4.1 is preferably formed from a pleated stainless steel wire mesh.
  • the sand bedding 18 of the sand filter 4.2 is preferably formed from a quartz sand or a metal powder. Depending on the filter fineness of the candle filter 4.1, different sand fillings 18 can be selected here.
  • the filter material 11 of the candle filter 4.1 has a finer filter fineness than the sand fill 18 of the sand filter 4.2.
  • the sand filter 4.2 is designed for the function of shear and mixing of the polymer melt.
  • the filter material 11 of the candle filter 4.1 is preferably with a filter fineness in the range of 5 ⁇ to max. 200 ⁇ performed so that both textile and technical threads can be spun with it depending on the yarn denier.
  • a predetermined pressure drop and an increase in temperature are desired, in particular within the spinneret device, in order to obtain a good spinnability.
  • a further exemplary embodiment of the spinneret device according to the invention is shown in FIG.
  • FIG. 2 schematically shows a cross-sectional view of a further embodiment of the spinneret device according to the invention.
  • the embodiment of the spinneret device of Fig. 2 is substantially identical to the embodiment of Fig. 1, so that at this point only the differences will be explained and otherwise reference is made to the above description.
  • an additional pressure drop plate 23 is arranged, which has a passage opening 24.
  • the pressure drop plate 23 is designed on an upper side with a conical recess 25, so that the melt emerging from the bores 20 of the filter plate 16 is conducted uniformly to the passage opening 24.
  • a distribution chamber 15 is formed, which extends over the entire arrangement of the nozzle openings 3.
  • Such pressure drop plates 23 are also referred to in the art as a so-called Shirley plate, wherein the pressure drop plate 23 may also have a plurality of passage openings 24.
  • FIGS. 1 and 2 structural design of the spinneret device is exemplary. Basically, it is also possible to form the spinneret device in a plate-shaped arrangement, wherein the plates are pressure-tightly connected to each other. So also rectangular nozzle plates can be realized.
  • the invention is not limited to a round shape of the spinneret device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

L'invention concerne un dispositif de filière destiné au filage à chaud d'une pluralité de filaments à partir de polymère en fusion. Le dispositif de filière comporte à cet effet un carter destiné à recevoir un corps de filière dans une pluralité d'orifices de filières, un adaptateur d'entrée avec au moins une entrée de matière en fusion et un système de filtration disposé entre l'adaptateur d'entrée et le corps de filière, le système de filtration étant formé de plusieurs éléments filtrants disposés les uns derrière les autres. Afin de pouvoir réaliser de manière homogène et flexible en particulier la filtration, le cisaillement et le mélange de la matière en fusion, l'invention prévoit un premier élément filtrant associé à l'entrée de matière en fusion, qui est formé par un filtre en forme de bougie annulaire, et un autre élément filtrant, disposé en amont des orifices du corps de filière, qui est formé par un filtre à sable.
PCT/EP2015/050094 2014-01-10 2015-01-06 Dispositif de filière WO2015104259A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15700273.4A EP3092330A1 (fr) 2014-01-10 2015-01-06 Dispositif de filière
JP2016545817A JP6605479B2 (ja) 2014-01-10 2015-01-06 紡糸ノズル装置
CN201580004285.9A CN105917037B (zh) 2014-01-10 2015-01-06 喷丝头装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014000305.1 2014-01-10
DE102014000305.1A DE102014000305A1 (de) 2014-01-10 2014-01-10 Spinndüsenvorrichtung

Publications (1)

Publication Number Publication Date
WO2015104259A1 true WO2015104259A1 (fr) 2015-07-16

Family

ID=52347314

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/050094 WO2015104259A1 (fr) 2014-01-10 2015-01-06 Dispositif de filière

Country Status (5)

Country Link
EP (1) EP3092330A1 (fr)
JP (1) JP6605479B2 (fr)
CN (1) CN105917037B (fr)
DE (1) DE102014000305A1 (fr)
WO (1) WO2015104259A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115418729A (zh) * 2022-08-01 2022-12-02 浙江理工大学 用于制备有色超细洗涤棉复合纤维的熔体过滤装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109183168B (zh) * 2018-08-30 2021-06-08 绍兴美纶化纤有限公司 涤纶纤维挤出成型装置
DE102020000804A1 (de) 2020-02-07 2021-08-12 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Auswechseln eines Spinndüsenpaketes sowie ein Spinndüsenpaket
CN113737291B (zh) * 2020-05-29 2023-12-19 欧瑞康纺织有限及两合公司 熔纺设备
CN114921859B (zh) * 2022-07-14 2022-11-22 江苏恒力化纤股份有限公司 一种高强涤纶工业丝纺丝组件

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847524A (en) 1971-09-24 1974-11-12 L Mott Spinnerette head assembly with porous metal filter and shear element
JPS591712A (ja) * 1982-06-23 1984-01-07 Toray Ind Inc ポリエステル繊維の溶融紡糸方法
US4500706A (en) * 1982-08-09 1985-02-19 Phillips Petroleum Company Method of producing extrusion grade poly(arylene sulfide)
DE4225341A1 (de) 1991-08-17 1993-02-18 Barmag Barmer Maschf Spinnkopf
US5352106A (en) * 1991-08-06 1994-10-04 Barmag Ag Apparatus for melt spinning multicomponent yarns
DE10140116A1 (de) 2001-08-16 2003-02-27 Berthold Mueller Spinnverfahren mit Doppelfilter und Vorrichtung dazu
JP2004324002A (ja) * 2003-04-23 2004-11-18 Mitsubishi Rayon Co Ltd 溶融紡糸口金パック

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JPS6215314A (ja) * 1985-07-15 1987-01-23 Teijin Ltd 溶融紡糸用パツク
CN2048069U (zh) * 1988-10-05 1989-11-22 宋建昌 熔融纺丝装置
DE4236570A1 (fr) * 1991-12-06 1993-06-09 Akzo N.V., Arnheim/Arnhem, Nl
JP3365000B2 (ja) * 1993-09-20 2003-01-08 東レ株式会社 紡糸用パック
JPH08269810A (ja) * 1995-03-30 1996-10-15 Toray Ind Inc 溶融紡糸用口金パックおよびフィルター
DE19825532A1 (de) * 1998-06-08 1999-12-09 Hydac Process Technology Gmbh Filtervorrichtung für einen Spinnkopf
JP3920491B2 (ja) * 1999-03-23 2007-05-30 ナブテスコ株式会社 溶融紡糸用スピニングパックおよびその組立て方法
JP3777463B2 (ja) * 2001-09-04 2006-05-24 株式会社化繊ノズル製作所 紡糸口金パックの製造方法
JP3942515B2 (ja) * 2002-08-28 2007-07-11 帝人ファイバー株式会社 溶融紡糸用口金パック
DE10348766A1 (de) * 2003-10-21 2005-06-02 Saurer Gmbh & Co. Kg Spinnkopf und Filtereinrichtung für derartigen Spulkopf
JP2005194673A (ja) * 2004-01-09 2005-07-21 Teijin Fibers Ltd 溶融紡糸口金パック及び溶融紡糸方法
DE102009014374A1 (de) * 2009-03-21 2010-09-23 Oerlikon Textile Gmbh & Co. Kg Spinnkopf

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847524A (en) 1971-09-24 1974-11-12 L Mott Spinnerette head assembly with porous metal filter and shear element
JPS591712A (ja) * 1982-06-23 1984-01-07 Toray Ind Inc ポリエステル繊維の溶融紡糸方法
US4500706A (en) * 1982-08-09 1985-02-19 Phillips Petroleum Company Method of producing extrusion grade poly(arylene sulfide)
US5352106A (en) * 1991-08-06 1994-10-04 Barmag Ag Apparatus for melt spinning multicomponent yarns
DE4225341A1 (de) 1991-08-17 1993-02-18 Barmag Barmer Maschf Spinnkopf
DE10140116A1 (de) 2001-08-16 2003-02-27 Berthold Mueller Spinnverfahren mit Doppelfilter und Vorrichtung dazu
JP2004324002A (ja) * 2003-04-23 2004-11-18 Mitsubishi Rayon Co Ltd 溶融紡糸口金パック

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3092330A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115418729A (zh) * 2022-08-01 2022-12-02 浙江理工大学 用于制备有色超细洗涤棉复合纤维的熔体过滤装置
CN115418729B (zh) * 2022-08-01 2023-08-08 浙江理工大学 用于制备有色超细洗涤棉复合纤维的熔体过滤装置

Also Published As

Publication number Publication date
CN105917037A (zh) 2016-08-31
EP3092330A1 (fr) 2016-11-16
JP6605479B2 (ja) 2019-11-13
JP2017502181A (ja) 2017-01-19
DE102014000305A1 (de) 2015-07-16
CN105917037B (zh) 2019-05-31

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