EP2721202A1 - Récipient pour bain de filage - Google Patents

Récipient pour bain de filage

Info

Publication number
EP2721202A1
EP2721202A1 EP12725801.0A EP12725801A EP2721202A1 EP 2721202 A1 EP2721202 A1 EP 2721202A1 EP 12725801 A EP12725801 A EP 12725801A EP 2721202 A1 EP2721202 A1 EP 2721202A1
Authority
EP
European Patent Office
Prior art keywords
spinning
spinning bath
wet
tub
sbw
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.)
Withdrawn
Application number
EP12725801.0A
Other languages
German (de)
English (en)
Inventor
Erwin Glawion
Dieter Zenker
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Truetzschler Nonwovens 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 GmbH filed Critical Truetzschler Nonwovens GmbH
Publication of EP2721202A1 publication Critical patent/EP2721202A1/fr
Withdrawn legal-status Critical Current

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
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/04—Dry spinning methods
    • 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
    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid

Definitions

  • the invention relates to a spinning bath tub according to the preamble of claim 1.
  • a spinneret In pure wet spinning, there is a spinneret within a spin bath tub which is filled with a spin bath liquid (precipitation bath).
  • the medium to be spun is fed by a pump via a pipe of the fully dipped into the spinning bath liquid spinneret and extruded through the spinneret orifices in the form of filaments directly into the spinning bath liquid.
  • the filaments In the spin bath liquid, the filaments coagulate.
  • DE-AS 1 102 338, DE-AS 1 112 604 and DE-PS 1 123 795 show spinneret arrangements that lie within a spin bath tub and are completely surrounded by spin bath liquid.
  • the geometry of the spinning bath tub is such that the extruded filaments run essentially horizontally and are guided out of the spin bath tub only after being guided by deflection rollers over a distance determined by the necessary coagulation time and the spinning speed.
  • the spinneret In dry / wet spinning, the spinneret is positioned above a spin bath liquid. Between the spinning nozzle openings having the underside of the spinneret and the surface of the spinning bath liquid is such an air gap.
  • the medium to be spun is then first extruded in a non-precipitable medium - the air gap - and then passes into the precipitation bath, in which the coagulation takes place.
  • the filaments run in this type of spinning vertically from top to bottom in the spinning bath and in this to a arranged inside the spin bath tub roller, which they are then directed obliquely upwards again led out of the Wanner. Again, the filaments have to travel a certain distance within the bath, so that the required coagulation sets.
  • the invention is thus based on a spin bath tub consisting of a tub for receiving spin bath liquid, at least one roller arranged in the tub for deflecting the spun filaments, as well as an inlet and outlet system for spinning bath liquid.
  • Object of the present invention is to improve a generic device.
  • the geometry of the spinning bath tub allows an arrangement of a sense nozzle for both wet and dry / wet spinning.
  • the spinning bath tub has the deflection rollers or receptacles for such rollers to be provided for carrying out the respective spinning process.
  • the rollers are preferably rollers with an associated drive in the form of a watertight tubular drive.
  • the geometric design of the Spinnbadwanne takes into account the fact that in the wet / dry spinning process, the filaments run a predetermined distance in the spinning bath and after a first deflection out of the Spinnbadwanne out. Accordingly, the Spinnbadwanne in one area to the required depth and is provided in this area with a receptacle for the deflection roller to be provided there.
  • the spinning bath tub has at least one further receptacle for a deflecting roller, specifically above the tub or the liquid level. With this roller are in the wet / dry spinning process from the spinning bath liquid
  • This rear roller is used both in the wet-dry spinning process as well as in the pure wet spinning process leading the filaments in the direction of the downstream processing stations.
  • the spinning bath tub according to the invention has a front deep area, which serves the filament guide in the wet / dry spinning process. This area is not needed in pure wet spinning - here, the filaments run from a spinneret located in the front area of the Spinnbadwanne below the liquid surface substantially horizontally and first within the Spinnbadnetkeit to the rear guide roller, which deflects the filaments up for further processing.
  • this bath area is provided with an intended molding area. piece, shaped body is filled. This reduces the amount of spinning bath liquid present in the tub, so it must also be circulated less liquid per unit time.
  • the shaped body is removed and the entire depth is available in the front area of the bath. Since in the operating mode wet / dry spinning process, the rear, flat portion of the Spinnbadwanne is not needed, it can be provided to shut down another molding, through which then the rear Spinnbadwannen Scheme can be stopped.
  • the spin bath has in the direction of the spun filaments a front first deep area and a subsequent shallower area.
  • the spinning bath tub has in the first deep area on a guide roller for guiding the filaments generated during dry / wet spinning.
  • the spinning bath tub has at least one guide roller, which serves the filament guide both dry / wet spinning and wet spinning.
  • a shaped body which is used in the not required in the respective spinning process area of Spinnbadwanne
  • the guide roller has its own drive.
  • the drive is designed as a waterproof tubular motor.
  • FIG. 1 shows a spinning bath trough SBW which has a greater depth in a front region B1 in the direction of the running filaments than in the rear region B2.
  • the spinning bath tub SBW is filled with a spinning bath liquid SBF, which is controlled via indicated inlets and outlets ZL, AL in the level and the solvent concentration.
  • a spinneret SD is arranged, specifically at a distance d from the surface of the spinning bath liquid SBF. The spinneret SD is acted upon by a pump, not shown, as well as a supply line with the solution to be spun.
  • the filaments F emerging from the underside of the spinneret SD are extruded in air and, after the air gap d, enter the spinning bath liquid SBF, where the coagulation takes place.
  • the filaments F run vertically down into the depth of the front portion B1 of the spinning bath tub SBW and are deflected at a lower deflecting roller UW1 to run obliquely upward from the Spinnbad sometimeskeit out to a second guide roller UW2, from which they to a third, in the rear area of the spin bath tub arranged deflection roller UW3 are passed.
  • the filaments are guided to a downstream processing station, in the embodiment shown, the filaments F first run upwards, to then - to be forwarded horizontally - not shown.
  • the spinning bath tub SBW has a depth in the front region B1, the design of which is adapted to the dry / wet spinning process to be carried out.
  • the spinning bath tub SBW is made flat, the design is adapted here to the wet-spinning process to be carried out, in which the filaments F run substantially horizontally.
  • the filament run in the wet spinning process is shown in FIG. 2.
  • a spinneret SD is arranged below the surface of the spinning bath liquid SBF and is acted upon by a pump, not shown, and a feed line with the solution to be spun.
  • the filaments F are extruded directly into the spinning bath liquid SBF and coagulate and travel upwardly at a flat upward angle to the third deflection roll UW3, from which they are directed upwards as in the previously described dry / wet spinning process and to another processing station, the washing baths become.
  • the deflection rolls UW2 and UW3 are not required and, as they are waterproof, can remain in the required position during the dry / wet-spinning process.
  • the dry flat / wet spinning process does not require the rear flat region B2 of the spinning bath tub.
  • a molded body FKTN can be used, which displaces the spinning bath liquid in this area B2 and thus reduces the volume of the liquid required as well as to be circulated.
  • FIG. 4 shows how the spinning bath tub SBW is used in a pure wet spinning process.
  • a molded body FKN is used in the front deep region B1 of the spinning bath tub SBW, which part fills the part of the spinning bath tub SBW which is not required for wet spinning and thus reduces the takeup volume of the spin bath tub SBW.

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 récipient pour bain de filage, constitué d'un récipient destiné à recevoir un liquide de bain de filage, d'au moins un cylindre qui est disposé dans le récipient et qui est destiné au renvoi d'un filament obtenus par filage, ainsi que d'un système d'introduction et d'évacuation du liquide de bain de filage. Selon l'invention, le récipient pour bain de filage (SBW) est doté d'une forme permettant un filage humide, une filière (SD) étant alors disposée dans le liquide de bain de filage (SBF), tout comme un filage à sec / humide, une filière (SD) étant alors disposée au-dessus du liquide de bain de filière (SBF).
EP12725801.0A 2011-06-15 2012-06-06 Récipient pour bain de filage Withdrawn EP2721202A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011104194 2011-06-15
PCT/EP2012/060686 WO2012171835A1 (fr) 2011-06-15 2012-06-06 Récipient pour bain de filage

Publications (1)

Publication Number Publication Date
EP2721202A1 true EP2721202A1 (fr) 2014-04-23

Family

ID=46208569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12725801.0A Withdrawn EP2721202A1 (fr) 2011-06-15 2012-06-06 Récipient pour bain de filage

Country Status (7)

Country Link
US (1) US9334585B2 (fr)
EP (1) EP2721202A1 (fr)
KR (1) KR20140037129A (fr)
CN (1) CN103608500B (fr)
RU (1) RU2541284C1 (fr)
TW (1) TWI577843B (fr)
WO (1) WO2012171835A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109943918A (zh) * 2017-02-07 2019-06-28 哈尔滨天顺化工科技开发有限公司 适用于碳纤维原丝纺丝的转向纺丝设备
EP3505659A1 (fr) * 2018-08-30 2019-07-03 Aurotec GmbH Procédé et dispositif de filage des filaments à déviation
CN115896962B (zh) * 2022-11-10 2023-08-15 济宁鸿运棉杆纤维科技有限公司 一种环保纤维制备装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB599668A (en) * 1940-02-27 1948-03-18 Henry Dreyfus Improvements in or relating to the extrusion of thermoplastic compositions so as to obtain artificial filaments, films, foils, and like shaped articles
GB550106A (en) 1940-06-22 1942-12-23 British Cellophane Ltd Improvements in or relating to the manufacture of non-fibrous web material
US2746839A (en) * 1953-06-26 1956-05-22 Pittsburgh Plate Glass Co Method of spinning shaped filaments of plastic materials
BE550120A (fr) 1955-01-11
BE550185A (fr) 1955-09-07
NL298105A (fr) * 1962-09-27
US3414939A (en) * 1966-11-04 1968-12-10 American Cyanamid Co Apparatus for quenching melt-spun fibers
US3621088A (en) * 1968-08-09 1971-11-16 Phillips Petroleum Co High production of water-quenched filaments
CS160258B1 (fr) * 1971-03-05 1975-03-28
AR207924A1 (es) 1976-02-18 1976-11-08 Viscosagyar M Procedimiento y dispositivo para la produccion de filamentos sinteticos a partir de fundido
JPS61180947A (ja) 1984-12-26 1986-08-13 Nec Corp 光デイスク
US5027023A (en) * 1987-05-11 1991-06-25 Koivikko Heikki T Electric motor including reduction-gear and circuit
SU1612003A1 (ru) * 1989-01-06 1990-12-07 Всесоюзный научно-исследовательский институт синтетического волокна Устройство дл формовани синтетического волокна
JPH0544104A (ja) * 1991-08-01 1993-02-23 Unitika Ltd 乾・湿式紡糸方法
US5279783A (en) * 1992-01-30 1994-01-18 United States Surgical Corporation Process for manufacture of polyamide monofilament suture
DE4336097A1 (de) * 1993-10-22 1995-04-27 Bayer Ag Kontinuierliches Verfahren zum Schmelzspinnen von monofilen Fäden
US5984655A (en) 1994-12-22 1999-11-16 Lenzing Aktiengesellschaft Spinning process and apparatus
ATA239194A (de) 1994-12-22 1996-02-15 Chemiefaser Lenzing Ag Vorrichtung zur durchführung eines trocken-/nassspinnverfahrens
DE19600090A1 (de) * 1996-01-03 1997-07-10 Bayer Faser Gmbh Verfahren und Vorrichtung zur Herstellung von schmelzgesponnenen Monofilen
JP2004052129A (ja) 2002-07-17 2004-02-19 Toray Ind Inc 乾湿式紡糸装置
US7150614B2 (en) * 2003-12-18 2006-12-19 Owens Corning Fiberglas Technology, Inc. Horizontal vacuum chamber seal control device
JP5044104B2 (ja) 2005-04-11 2012-10-10 富士重工業株式会社 自動変速機の変速制御装置
DE102009021117A1 (de) * 2009-05-13 2010-11-18 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Schmelzspinnen und Abkühlen einer Vielzahl von Monofilamenten
CN101818380B (zh) * 2010-02-05 2013-05-22 金发科技股份有限公司 一种喷丝头组件及采用干喷湿纺法制备聚丙烯腈碳纤维原丝的方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2012171835A1 *

Also Published As

Publication number Publication date
TWI577843B (zh) 2017-04-11
KR20140037129A (ko) 2014-03-26
CN103608500B (zh) 2016-04-20
US20140141111A1 (en) 2014-05-22
US9334585B2 (en) 2016-05-10
RU2541284C1 (ru) 2015-02-10
CN103608500A (zh) 2014-02-26
WO2012171835A1 (fr) 2012-12-20
TW201250074A (en) 2012-12-16

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