EP0442991B1 - Device for drying yarn - Google Patents

Device for drying yarn Download PDF

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Publication number
EP0442991B1
EP0442991B1 EP90912786A EP90912786A EP0442991B1 EP 0442991 B1 EP0442991 B1 EP 0442991B1 EP 90912786 A EP90912786 A EP 90912786A EP 90912786 A EP90912786 A EP 90912786A EP 0442991 B1 EP0442991 B1 EP 0442991B1
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EP
European Patent Office
Prior art keywords
vacuum
yarn
coupling device
dye
dye carrier
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
EP90912786A
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German (de)
French (fr)
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EP0442991A1 (en
Inventor
Markus JÄGGI
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.)
Viscosuisse SA
Original Assignee
Rhone Poulenc Viscosuisse SA
Societe de la Viscose Suisse SA
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Publication of EP0442991A1 publication Critical patent/EP0442991A1/en
Application granted granted Critical
Publication of EP0442991B1 publication Critical patent/EP0442991B1/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
    • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
    • D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
    • D06B21/02—Successive treatments of textile materials by liquids, gases or vapours the treatments being performed in a single container

Definitions

  • the invention relates to a device for dewatering yarn dyed on yarn packages on dye carriers.
  • Bobbin-dyed yarns must be dewatered after dyeing.
  • the dyeings are often carried out in dyeing machines into which inserts are inserted, which in turn consist of a large number of carriers on which the bobbins are placed one above the other.
  • the bobbins are removed individually from the dyeing apparatus and placed in a centrifuge on dyeing racks.
  • Such a drainage system for bobbin-dyed yarns is known from JP-A-59137559.
  • This device consists of a centrifuge, the outlet of which is connected to a vacuum pump via a vacuum tank as a buffer.
  • a device for circulating air is provided.
  • the bobbins in the center of the centrifuge are less well drained than those which are arranged on the periphery.
  • centrifuge The time required for loading the centrifuge with the individual spools of thread is very large. The energy requirement of a centrifuge is considerable. Such a centrifuge is a custom-made product that must be designed to accommodate coil holders.
  • DE-A-1 710 475 describes a device for wet finishing, in particular for dyeing textile goods.
  • a permanently installed pump block is used via a coupling device to hold dyeing machines of various sizes and / or different weights.
  • the pumps are used to circulate the dyeing liquor through the textile material to be dyed.
  • a rapid and economical dewatering of the dyed textile threads on bobbins is not described and, if at all possible, can only be accomplished with great effort.
  • the object of the invention is to provide a drainage system for dyed textile yarns, which enables economical drainage without moving parts and reduced workload.
  • a coupling device 1 is firmly anchored on a base 2 with supports 3, 3 '.
  • the coupling device 1 is placed centrally on a tube 10, which continues as tube 11 in a dye carrier insert 5.
  • Outer yarn packages 6,6 'and inner yarn packages 7,7' are provided on the dye carrier insert 5.
  • the tube 10 carries a line 8 which is connected to a vacuum tank 9.
  • the vacuum tank 9 has all the facilities for automatic measurement and generation of the required vacuum, such as a vacuum pump 14 and a drain line 15.
  • the vacuum system works fully automatically, depending on the water level in the vacuum tank (LS min + LS max) and a pressure transmitter (0 ... 700 mbar) the vacuum pump is switched on or off.
  • a bell 4 is dimensioned such that it can be placed in a vacuum-tight manner over a dye carrier insert 5 and attached to the coupling device 1.
  • a nozzle 12 with a valve 13 is provided in the upper part.
  • Valves are designated with V1, V2, V3 and V4.
  • a tub 16 serves to collect dripping water.
  • the dye carrier insert 5 is placed on the coupling device 1 as a whole from a dye container.
  • the valve V1 on the vacuum container 9 is closed.
  • the vacuum container 9 is under a vacuum of approx. 700 mbar.
  • valve V1 After coupling, the drainage can be done by opening valve V1.
  • the valves are controlled pneumatically in a known manner.
  • the yarns can be prepared with an additional unit.
  • the bell 4 is lowered onto the tub 16 in a known manner and the mixture is applied to the yarn under vacuum, via line 12, with simultaneous suction, for example together with an air mixture.
  • the process is controlled by an automatic system.
  • the residual moisture in polyester is less than 11% within 20 minutes of the start of suction and does not require thermal re-drying.
  • Table II provides a comparison of the power requirements for drying bobbin-dyed yarns.
  • Table II Plant according to the invention centrifuge Pressure dryer Installed power [KW] 9 16 50-60 Energy requirement per ton of yarn [KW] ⁇ 5 ⁇ 25 ⁇ 200
  • the device according to the invention requires only 20% of the otherwise usual energy requirement, significantly shorter time and less work.

Abstract

The device of the invention for drying spools of dyed textile yarn comprises a coupling element (1). In the operating mode, the coupling element (1) is connected by a vacuum line (8) with a vacuum tank (9) which can hold all the water from a batch of yarn is located on a support block (5) over which a dome (4) is placed.

Description

Die Erfindung betrifft eine Vorrichtung zum Entwässern von auf Garnspulen gefärbten Garnen auf Färbeträgern.The invention relates to a device for dewatering yarn dyed on yarn packages on dye carriers.

Spulengefärbte Garne müssen nach dem Färben entwässert werden. Vielfach werden die Färbungen in Färbeapparaten durchgeführt, in welche Einsätze eingefahren werden, die ihrerseits aus einer Vielzahl von Trägern bestehen, auf welche die Garnspulen übereinander aufgesetzt werden. Zur Entwässerung werden die Garnspulen einzeln den Färbeapparaten entnommen und auf Färbeträger in eine Zentrifuge eingebracht.Bobbin-dyed yarns must be dewatered after dyeing. The dyeings are often carried out in dyeing machines into which inserts are inserted, which in turn consist of a large number of carriers on which the bobbins are placed one above the other. For dewatering, the bobbins are removed individually from the dyeing apparatus and placed in a centrifuge on dyeing racks.

Aus der JP-A-59137559 ist eine solche Entwässerungsanlage für spulengefärbte Garne bekannt. Diese Vorrichtung besteht aus einer Zentrifuge, deren Auslauf an eine Vakuumpumpe über einen Vakuumtank als Puffer angeschlossen ist. Ausserdem ist eine Einrichtung zur Zirkulation von Luft vorgesehen.Such a drainage system for bobbin-dyed yarns is known from JP-A-59137559. This device consists of a centrifuge, the outlet of which is connected to a vacuum pump via a vacuum tank as a buffer. In addition, a device for circulating air is provided.

Obwohl die Zentrifuge eine zufriedenstellende Entwässerung bringt, weist diese einige erhebliche Nachteile auf.Although the centrifuge provides satisfactory drainage, it has some significant drawbacks.

Es werden die Garnspulen die sich im Zentrum der Zentrifuge befinden weniger gut entwässert als diejenigen welche an der Peripherie angeordnet sind.The bobbins in the center of the centrifuge are less well drained than those which are arranged on the periphery.

Der Zeitbedarf für die Beschickung der Zentrifuge mit den einzelnen Garnspulen ist sehr gross. Der Energiebedarf einer Zentrifuge ist erheblich. Es handelt sich bei einer solchen Zentrifuge um eine Spezialanfertigung, welche zur Aufnahme von Spulenträgern ausgelegt sein muss.The time required for loading the centrifuge with the individual spools of thread is very large. The energy requirement of a centrifuge is considerable. Such a centrifuge is a custom-made product that must be designed to accommodate coil holders.

Die DE-A-1 710 475 beschreibt eine Vorrichtung zum Nassveredeln, insbesondere zum Färben von Textilgut. Ein fest montierter Pumpenblock dient über eine Kupplungseinrichtung zur Aufnahme von Färbeapparaten verschiedener Grössen und/oder verschiedener Gewichte. Die Pumpen dienen zum Umwälzen der Färbeflotte durch das zu färbende Textilgut. Eine rasche und wirtschaftliche Entwässerung der gefärbten textilen Fäden auf Spulen ist nicht beschrieben und, wenn überhaupt möglich, dann nur aufwendig zu bewerkstelligen.DE-A-1 710 475 describes a device for wet finishing, in particular for dyeing textile goods. A permanently installed pump block is used via a coupling device to hold dyeing machines of various sizes and / or different weights. The pumps are used to circulate the dyeing liquor through the textile material to be dyed. A rapid and economical dewatering of the dyed textile threads on bobbins is not described and, if at all possible, can only be accomplished with great effort.

Aufgabe der Erfindung ist es, eine Entwässerungsanlage für gefärbte Texturgarne zur Verfügung zu steilen, welche ohne bewegte Teile unter vermindertem Arbeitsaufwand eine wirtschaftliche Entwässerung ermöglicht.The object of the invention is to provide a drainage system for dyed textile yarns, which enables economical drainage without moving parts and reduced workload.

Diese Aufgabe wird erfindungsgemäss durch einen Färbeträgereinsatzes der mit einer Kupplungseinrichtung und über eine Leitung direkt mit einem Vakuumtank verbunden ist dessen Inhalt grösser/gleich dem Volumen des Färbeträgereinsatzes ist, gelöst.This object is achieved according to the invention by a dye carrier insert which is connected to a coupling device and via a line directly to a vacuum tank, the content of which is greater than / equal to the volume of the dye carrier insert.

Die erfindungsgemässe Vorrichtung hat die Vorteile, dass keine rotierenden, angetriebene Teile zum Einsatz gelangen. Die Entwässerungseinrichtung ist apparativ wesentlich einfacher, durch den kompakten Einsatz eines Färbeträgers der Energieaufwand geringer und die Beschickungszeit kürzer. Es sind keine speziellen Garnspulenträger in der Entwässerungseinrichtung erforderlich.The device according to the invention has the advantages that no rotating, driven parts are used. The dewatering device is considerably simpler in terms of apparatus, the energy expenditure is lower and the loading time is shorter due to the compact use of a dye carrier. No special spool holders are required in the drainage system.

Es ist zweckmässig, die Kupplungseinrichtung mit einem Vakuumtank zu verbinden, dessen Inhalt grösser ist als das Volumen des Trägers. Das hat den Vorteil, dass eine sehr rasche Entwässerung der Garnspulen erfolgen kann. Je nach der Höhe des Vakuums kann der Grad der Entwässerung gesteuert werden.It is expedient to connect the coupling device to a vacuum tank, the content of which is larger than the volume of the carrier. This has the advantage that the yarn packages can be drained very quickly. Depending on the level of the vacuum, the degree of drainage can be controlled.

Es ist auch zweckmässig das Zentralrohr der Kupplungseinrichtung demjenigen des Färbeträgereinsatzes so anzupassen, dass beide Durchmesser annähernd gleich sind. Dadurch wird der Kupplungsvorgang präziser und erleichtert.It is also expedient to adapt the central tube of the coupling device to that of the dye carrier insert so that both diameters are approximately the same. This makes the coupling process more precise and easier.

Die Erfindung soll anhand einer Zeichnung näher beschrieben werden. Die einzige Figur zeigt schematisch die erfindungsgemässe Vorrichtung im geöffneten Zustand.The invention will be described in more detail with reference to a drawing. The single figure shows schematically the device according to the invention in the open state.

In der Fig. 1 ist eine Kupplungseinrichtung 1 auf einem Sockel 2 mit Stützen 3, 3' fest verankert. Die Kupplungseinrichtung 1 ist zentral auf einem Rohr 10 aufgesetzt, welches sich als Rohr 11 in einem Färbeträgereinsatz 5 fortsetzt. Auf dem Färbeträgereinsatz 5 sind äussere Garnspulen 6,6' und innere Garnspulen 7,7' vorgesehen. Das Rohr 10 trägt eine Leitung 8, welche mit einem Vakuumtank 9 verbunden ist. Der Vakuumtank 9 verfügt über alle Einrichtungen zur automatischen Messung und Erzeugung des erforderlichen Vakuums wie eine Vakuumpumpe 14 und eine Abflussleitung 15. Die Vakuumanlage arbeitet vollautomatisch, in Abhängigkeit des jeweiligen Wasserspiegel-Niveaus im Vakuumkessel (LS min + LS max) sowie einen Drucktransmitter (0...700 mbar) wird die Vakuumpumpe zu- bzw. abgeschaltet. Eine Glocke 4 ist so dimensioniert, dass sie vakuumdicht über einen Färbeträgereinsatz 5 gestülpt und auf der Kupplungseinrichtung 1 befestigt werden kann. In der Glocke 4 sind im oberen Teil ein Stutzen 12 mit einem Ventil 13 vorgesehen. Mit V1, V2, V3 und V4 sind Ventile bezeichnet. Eine Wanne 16 dient zum Auffangen von Tropfwasser.In Fig. 1, a coupling device 1 is firmly anchored on a base 2 with supports 3, 3 '. The coupling device 1 is placed centrally on a tube 10, which continues as tube 11 in a dye carrier insert 5. Outer yarn packages 6,6 'and inner yarn packages 7,7' are provided on the dye carrier insert 5. The tube 10 carries a line 8 which is connected to a vacuum tank 9. The vacuum tank 9 has all the facilities for automatic measurement and generation of the required vacuum, such as a vacuum pump 14 and a drain line 15. The vacuum system works fully automatically, depending on the water level in the vacuum tank (LS min + LS max) and a pressure transmitter (0 ... 700 mbar) the vacuum pump is switched on or off. A bell 4 is dimensioned such that it can be placed in a vacuum-tight manner over a dye carrier insert 5 and attached to the coupling device 1. In the bell 4, a nozzle 12 with a valve 13 is provided in the upper part. Valves are designated with V1, V2, V3 and V4. A tub 16 serves to collect dripping water.

Im Betrieb wird der Färbeträgereinsatz 5 als ganzes aus einem Färbebehälter auf die Kupplungseinrichtung 1 aufgesetzt. Dabei ist das Ventil V1 am Vakuumbehälter 9 geschlossen. Der Vakuumbehälter 9 steht unter Vakuum von ca. 700 mbar.In operation, the dye carrier insert 5 is placed on the coupling device 1 as a whole from a dye container. The valve V1 on the vacuum container 9 is closed. The vacuum container 9 is under a vacuum of approx. 700 mbar.

Nach der Kupplung kann die Entwässerung durch Öffnen des Ventils V1 erfolgen. Die Steuerung der Ventile erfolgt in bekannter Weise pneumatisch.After coupling, the drainage can be done by opening valve V1. The valves are controlled pneumatically in a known manner.

Nach Abschluss der Entwässerung kann mit einem Zusatzaggregat eine Präparation der Garne durchgeführt werden. Dazu wird die Glocke 4 auf die Wanne 16 in bekannter Weise abgesenkt und unter Unterdruck das Gemisch über die Leitung 12, unter gleichzeitiger Absaugung, beispielsweise zusammen mit einem Luftgemisch, eine Präparation auf das Garn aufgebracht werden. Die Steuerung des Prozesses erfolgt durch eine Automatik.After the drainage has been completed, the yarns can be prepared with an additional unit. For this purpose, the bell 4 is lowered onto the tub 16 in a known manner and the mixture is applied to the yarn under vacuum, via line 12, with simultaneous suction, for example together with an air mixture. The process is controlled by an automatic system.

Die Ergebnisse von Absaugversuchen sind in Tabelle I angegeben. Tabelle I Nr. rohweiss gefärbt, vor dem Absaugen nach 2 min. absaugen nach 5 min. absaugen nach 10 min. absaugen nach 20 min. absaugen nach 40 min. absaugen 1 Gewicht gr. 3725 8611 4751 4425 4255 4133 4036 Restfeuchtigkeit % 0,0 131,2 27,5 18,8 14,2 10,9 8,3 2 Gewicht gr. 3736 8613 4760 4425 4255 4130 4030 Restfeuchtigkeit % 0,0 130,5 27,4 18,4 13,9 10,5 7,9 3 Gewicht gr. 3826 7831 5318 4848 4655 4517 4416 Restfeuchtigkeit % 0,0 104,7 39,0 26,7 21,7 18,0 15,4 4 Gewicht gr. 3830 7480 5286 4854 4669 4535 4440 Restfeuchtigkeit % 0,0 95,3 38,0 26,7 21,9 18,4 15,9 Vacuumbar 0,70 - 0,53 0,51 0,49 0,48 0,48 The results of suction tests are given in Table I. Table I No. raw white colored, before suction after 2 min. suck off after 5 min. suck off after 10 min. suck off after 20 min. suck off after 40 min. suck off 1 Weight gr. 3725 8611 4751 4425 4255 4133 4036 Residual moisture% 0.0 131.2 27.5 18.8 14.2 10.9 8.3 2nd Weight gr. 3736 8613 4760 4425 4255 4130 4030 Residual moisture% 0.0 130.5 27.4 18.4 13.9 10.5 7.9 3rd Weight gr. 3826 7831 5318 4848 4655 4517 4416 Residual moisture% 0.0 104.7 39.0 26.7 21.7 18.0 15.4 4th Weight gr. 3830 7480 5286 4854 4669 4535 4440 Residual moisture% 0.0 95.3 38.0 26.7 21.9 18.4 15.9 Vacuumbar 0.70 - 0.53 0.51 0.49 0.48 0.48

Die Versuche Nr. 1 und Nr. 2 sind mit Polyester, und die Versuche Nr. 3 und Nr. 4 sind mit Polyamid durchgeführt worden.Experiments No. 1 and No. 2 were carried out with polyester, and Experiments No. 3 and No. 4 were carried out with polyamide.

Die Restfeuchte liegt je nach Titer bei Polyester innerhalb von 20 Minuten seit dem Beginn der Absaugung unter 11 % und erfordert kein thermisches Neutrocknen.Depending on the titer, the residual moisture in polyester is less than 11% within 20 minutes of the start of suction and does not require thermal re-drying.

Tabelle II gibt einen Vergleich des Leistungsbedarfs bei der Trocknung von spulengefärbten Garnen. Tabelle II Erfindungsgemässe Anlage Zentrifuge Drucktrockner Installierte Leistung [KW] 9 16 50-60 Energiebedarf pro to Garn [KW] ∼5 ∼25 ∼200 Table II provides a comparison of the power requirements for drying bobbin-dyed yarns. Table II Plant according to the invention centrifuge Pressure dryer Installed power [KW] 9 16 50-60 Energy requirement per ton of yarn [KW] ∼ 5 ∼ 25 ∼ 200

Die erfindungsgemässe Vorrichtung benötigt zur Entwässerung der gleichen Menge Garn nur 20 % des sonst üblichen Energiebedarfs, wesentlich kürzere Zeit und geringeren Arbeitsaufwand.To drain the same amount of yarn, the device according to the invention requires only 20% of the otherwise usual energy requirement, significantly shorter time and less work.

Claims (1)

  1. Device for draining of dyed yarn bobbins (7) of medium yarn density on dye carriers (6) comprising a coupling device (1) for receiving a dyecarrier insert (5), characterised in that the dye carrier insert (5) together with the coupling device (1) and via a line (8) is directly connected with a vacuum tank (9) whose capacity is greater than/equal to the volume of the dye carrier insert (5).
EP90912786A 1989-09-13 1990-09-11 Device for drying yarn Expired - Lifetime EP0442991B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH333689 1989-09-13
CH3336/89 1989-09-13
PCT/CH1990/000215 WO1991004366A1 (en) 1989-09-13 1990-09-11 Device for drying yarn

Publications (2)

Publication Number Publication Date
EP0442991A1 EP0442991A1 (en) 1991-08-28
EP0442991B1 true EP0442991B1 (en) 1995-05-24

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EP90912786A Expired - Lifetime EP0442991B1 (en) 1989-09-13 1990-09-11 Device for drying yarn

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EP (1) EP0442991B1 (en)
DE (1) DE59009144D1 (en)
WO (1) WO1991004366A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8398645B2 (en) 2007-09-30 2013-03-19 DePuy Synthes Products, LLC Femoral tibial customized patient-specific orthopaedic surgical instrumentation
CN108660653B (en) * 2018-05-28 2020-08-28 温州中普纺织有限公司 Yarn processing dyeing apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH439196A (en) * 1965-12-17 1967-07-15 Thies B Thies & Soehne Plant for treating textiles
DE1710475A1 (en) * 1968-03-07 1972-01-27 Thies Fa B Dyeing machine for wet finishing of textiles
US3974534A (en) * 1973-01-18 1976-08-17 Burlington Industries, Inc. Process for vacuum treatment of textile materials
DE2827576C2 (en) * 1978-06-23 1982-09-23 Friedrichsfeld Gmbh, Steinzeug- Und Kunststoffwerke, 6800 Mannheim Process for bleaching textiles or fibers in a pack bleaching installation and installation for carrying out this process
DE3608742A1 (en) * 1986-03-15 1987-09-17 Mtm Obermaier Gmbh & Co Kg METHOD FOR COLORING ANIMAL, PLANT OR PLASTIC FIBERS

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Publication number Publication date
EP0442991A1 (en) 1991-08-28
DE59009144D1 (en) 1995-06-29
WO1991004366A1 (en) 1991-04-04

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