EP2699717B1 - Spinndüse zum nassspinnen - Google Patents

Spinndüse zum nassspinnen Download PDF

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Publication number
EP2699717B1
EP2699717B1 EP12713750.3A EP12713750A EP2699717B1 EP 2699717 B1 EP2699717 B1 EP 2699717B1 EP 12713750 A EP12713750 A EP 12713750A EP 2699717 B1 EP2699717 B1 EP 2699717B1
Authority
EP
European Patent Office
Prior art keywords
spinneret
plate
spinning
wet spinning
support
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.)
Not-in-force
Application number
EP12713750.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2699717A1 (de
Inventor
Erwin Glawion
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.)
Truetzschler Nonwovens and Man Made Fibers GmbH
Original Assignee
Truetzschler Nonwovens and Man Made Fibers GmbH
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 Truetzschler Nonwovens and Man Made Fibers GmbH filed Critical Truetzschler Nonwovens and Man Made Fibers GmbH
Publication of EP2699717A1 publication Critical patent/EP2699717A1/de
Application granted granted Critical
Publication of EP2699717B1 publication Critical patent/EP2699717B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/02—Spinnerettes
    • D01D4/027—Spinnerettes containing inserts
    • 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
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/02—Spinnerettes
    • 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
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/06—Distributing spinning solution or melt to spinning nozzles
    • 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
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods

Definitions

  • the invention relates to a spinneret for wet spinning according to the preamble of claim 1.
  • a spinneret for wet spinning which has a spinneret plate with a plurality of nozzle orifices.
  • the designed as a bottom of a pot nozzle plate is attached to the underside of a housing, which is acted upon by the solution to be spun.
  • the nozzle openings are arranged in four sectors, which are separated by alleys.
  • the function of the alleys is to flow around the freshly spun filaments with a precipitation bath which is as homogeneously concentrated as possible, thus making it possible for the filaments emerging in the inner region of the nozzle plate to experience the same coagulation conditions as possible for the filaments in the outer region.
  • the US 2 051 861 describes a wet spinning nozzle with a spinneret plate containing the nozzle orifices arranged in an annular zone.
  • the attached to the underside of a housing spinneret plate is associated inside the housing a the flow of the spinning solution in the zone of the nozzle openings directing displacement body, which is in the form of a cylinder or a truncated cone between the inside of the spinneret plate and one inside the housing and parallel to the spinneret plate extending sieve or filter layer is arranged.
  • the upper end of this displacement body ends with an end region extending parallel to the sieve or filter layer on the sieve or filter layer.
  • the DE 75 28 63 U describes a wet spinning nozzle in a coagulating bath, with a circular nozzle plate and one of the nozzle plate opposite streaming device, by means of which the freshly spun filaments, just the spun in the central region of the nozzle plate, are supplied with fresh Koagulierfactkeit.
  • the onflow device is a pipe closed on one side, the axis of symmetry of which is directed perpendicular to the center of the nozzle plate and thus placed in the stream of freshly spun filaments.
  • the tube On the shell side, the tube has outflow openings for coagulating liquid.
  • the invention is thus based on a wet spinning nozzle, consisting of a housing which forms with a spinneret plate attached to the underside a chamber acted upon with spinning solution, wherein the spinneret plate has nozzle openings at least in an annular region, and a displacement body arranged above the spinneret plate within the chamber through which the spinning solution is directed towards the annular zone.
  • Object of the present invention is to improve a generic device.
  • the displacement body is attached to a carrier which is arranged upstream in the flow direction of the spinning liquid of the spinneret plate.
  • This carrier is designed in particular as a permeable by a plurality of channels designed support plate, which is arranged on the underside of the housing and on its side facing away from the housing side in turn the spinneret plate is mounted.
  • the displacement body is preferably as a the support plate trained screwing, wherein the Spinntteszufarssel facing end is convex and preferably pointed.
  • the screwing on the underside of the support plate is cylindrical with a flat base, on which the back of the spinneret plate with its central and there having no nozzle openings area rests plan.
  • a further preferred embodiment of the invention provides that the plate in the flow direction of the spinning liquid is preceded by a sieve or filter layer in the form of a microporous filter plate. Trained as a screw displacement body also passes through this filter plate and fixes them.
  • FIG. 1 shows a wet spinning nozzle NSD with a downwardly designed housing G in the manner of a bell.
  • the housing G has in the upper region an inflow Z for the spinning solution to be spun.
  • a support plate TP is inserted into the opening of the housing G, which has a plurality of flow channels DK in an annular zone.
  • a filter plate FP is placed, which is designed to be permeable corresponding to the region of the flow channels DK.
  • the support plate TP and the overlying filter plate FP each have an opening through which a screw MK, SG engages, which is formed in the upper part as a tapered mother head MK with external hexagon and below as a screw SG with threaded shank, wherein the threaded shank of the screw SG passes through the support plate TP and the overlying filter plate FP.
  • the lower end of the screw SG is flat and has a hexagon socket.
  • the screw connection MK, SG and in particular the pointed mother head MK form the displacement body VK, through which the solution to be spinned in the interior of the housing G is distributed symmetrically in the direction of the nozzle openings D ⁇ .
  • a cup bottom-shaped spinneret plate SP is used together with the carrier and the filter plate TP, FP, which has a folded edge.
  • Carrier, filter and spinneret plate TP, FP, SP are together with one on the bottom Housing area twisted threaded ring GR attached to the housing G.
  • the spinneret plate SP has an annular region with nozzle openings D ⁇ .
  • the central region MB of the spinneret plate SP has no openings D ⁇ and is applied to the lower surface of the head of the screw SG of the displacer with force.
  • the force with which the spinneret plate SP bears against the screw head SG is predetermined by the shape of the spinneret plate SP and dimensioned such that even when the housing chamber is pressurized with the solution to be spun under pressure, the spinneret plate SP does not lose contact with the screw head SG.
  • an elastic seal is placed between the screw head SG and spinneret plate SP.
  • FIG. 2 shows a plan view of the spinneret plate SP with arranged in the annular region nozzle openings D ⁇ .
  • the outer diameter of the annular nozzle area is 85mm, the inner diameter is 30mm.
  • the nozzle diameter is 0.06mm and the hole spacing is 0.643mm, giving 15.6 rows of holes per cm.
  • the inner surface without nozzle openings is thus only 12.8% of the total area.
  • FIG. 3 shows a development of the invention, wherein in the spinning bath of the spinneret plate SP is confronted with a flow device AV in the form of a tube.
  • the tube AV is located in the central region of the spinneret plate SP, which has no nozzle openings D ⁇ , in which no filaments are spun.
  • the spinneret plate SP opposite end of the tube AV is closed, the end region of the tube AV has outlet openings A ⁇ for coagulation liquid, wherein the outlet openings A ⁇ are oriented such that the liquid runs substantially parallel to the surface of the spinneret plate SP, ie the filaments are flowed perpendicularly. It is thereby achieved that the filaments spun in the inner zone of the annular nozzle area also come into contact with fresh coagulating liquid as do the filaments on the outer edge of the spinneret plate SP.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
EP12713750.3A 2011-04-19 2012-04-13 Spinndüse zum nassspinnen Not-in-force EP2699717B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011018223A DE102011018223A1 (de) 2011-04-19 2011-04-19 Spinndüse zum Nassspinnen
PCT/EP2012/056801 WO2012143298A1 (de) 2011-04-19 2012-04-13 Spinndüse zum nassspinnen

Publications (2)

Publication Number Publication Date
EP2699717A1 EP2699717A1 (de) 2014-02-26
EP2699717B1 true EP2699717B1 (de) 2016-03-02

Family

ID=45952561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12713750.3A Not-in-force EP2699717B1 (de) 2011-04-19 2012-04-13 Spinndüse zum nassspinnen

Country Status (6)

Country Link
US (1) US9033692B2 (zh)
EP (1) EP2699717B1 (zh)
CN (1) CN103492619B (zh)
DE (1) DE102011018223A1 (zh)
TW (1) TWI547605B (zh)
WO (1) WO2012143298A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3449046B1 (en) 2016-04-25 2021-11-03 Cytec Industries Inc. Spinneret assembly for spinning polymeric fibers
CN108547003A (zh) * 2018-06-07 2018-09-18 杭州海畅节能科技有限公司 涤纶纺丝组件
CN113089112A (zh) * 2019-12-23 2021-07-09 连津格股份公司 用于制造纤维素纤维的纺丝机及其操作方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923970A (en) * 1960-02-09 genovese
GB402450A (en) * 1932-06-02 1933-12-04 British Celanese Apparatus for the production of artificial filaments and like products
US2051861A (en) 1934-10-04 1936-08-25 Baker & Co Inc Spinneret
GB1050191A (zh) 1962-08-06
US3221088A (en) * 1964-11-02 1965-11-30 Eastman Kodak Co Process and apparatus for orienting yarn
FR1603613A (zh) * 1967-08-25 1971-05-10
DE7528673U (de) 1975-09-11 1976-01-08 Hoechst Ag, 6000 Frankfurt Nasspinnvorrichtung
JPS5766110A (en) * 1980-10-13 1982-04-22 Tanaka Kikinzoku Kogyo Kk Unit for wet spinning
DD215343A1 (de) * 1983-04-29 1984-11-07 Schwarza Chemiefaser Spinneinrichtung, vorzugsweise fuer einzelduesen oder baustein fuer gruppenduese, zum loesungsspinnen
DE19544662A1 (de) * 1995-11-30 1997-06-05 Rieter Automatik Gmbh Schmelzespinnvorrichtung
WO1999051798A1 (fr) * 1998-04-07 1999-10-14 Toray Industries, Inc. Ensemble filiere de filage par fusion et procede de fabrication de fibres synthetiques
DE19935327A1 (de) 1999-07-28 2001-02-01 Bayer Faser Gmbh Spinndüse zum Naßspinnen von Elastanfäden
DE102006017212A1 (de) * 2006-04-12 2007-10-18 Rieter Automatik Gmbh Düsenpaket mit Verdrängerkörper

Also Published As

Publication number Publication date
CN103492619B (zh) 2016-08-17
DE102011018223A1 (de) 2012-10-25
US20140044820A1 (en) 2014-02-13
WO2012143298A1 (de) 2012-10-26
TWI547605B (zh) 2016-09-01
EP2699717A1 (de) 2014-02-26
CN103492619A (zh) 2014-01-01
TW201243118A (en) 2012-11-01
US9033692B2 (en) 2015-05-19

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