EP0602453B1 - Verfahren und Vorrichtung zur kontinuierlichen Behandlung von flächigen, textilen Gebilden - Google Patents

Verfahren und Vorrichtung zur kontinuierlichen Behandlung von flächigen, textilen Gebilden Download PDF

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Publication number
EP0602453B1
EP0602453B1 EP93119347A EP93119347A EP0602453B1 EP 0602453 B1 EP0602453 B1 EP 0602453B1 EP 93119347 A EP93119347 A EP 93119347A EP 93119347 A EP93119347 A EP 93119347A EP 0602453 B1 EP0602453 B1 EP 0602453B1
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EP
European Patent Office
Prior art keywords
liquid
sheet
belt
treatment
top belt
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
EP93119347A
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German (de)
English (en)
French (fr)
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EP0602453A1 (de
Inventor
Gerd Geiger
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.)
Degerdon & Co GmbH
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Degerdon & Co GmbH
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Filing date
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Application filed by Degerdon & Co GmbH filed Critical Degerdon & Co GmbH
Publication of EP0602453A1 publication Critical patent/EP0602453A1/de
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Publication of EP0602453B1 publication Critical patent/EP0602453B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04—Carriers or supports for textile materials to be treated
    • 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
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics

Definitions

  • the invention relates to a device for the continuous treatment of flat, in particular textile, structures resting on a carrier tape with at least one liquid containing at least one active ingredient according to the preamble of claim 1 and to a method for the continuous treatment of such a flat structure according to the preamble of Claim 10.
  • the liquid itself can be the active ingredient, for example if it is a solvent.
  • Devices and methods of this type are used in particular in the textile industry, although they are also of interest for other industries, such as, if appropriate, in the paper or leather industry.
  • a treatment method that has been common until now has several steps.
  • the embroidery in the form of several individual embroidered motifs or also in the form of "allover" embroidery on webs is placed on a carrier tape, which generally consists of polyester.
  • the carrier tape with the embroidery on it is rolled up on a reel and tied, or also put together like a packet and fixed in a holding frame.
  • the reel or the holding frame are placed in a container filled with dimethyl ketone and moved in the etching bath for a certain time.
  • the solution bath is changed several times until the base fabric carrying the embroidery motifs is completely detached. This is followed by a short spinning process to remove the solution liquid pre-dry fully soaked reel or the soaked package for the subsequent drying process.
  • the reel is untied and unrolled or the package is taken out of the holding frame and knocked apart, the embroidery motifs or embroidery webs lying on the carrier tape are dried on a drying table and removed.
  • Such methods which contain several steps to be carried out independently of one another, result in various non-productive side work, such as reeling, folding, transporting, unwinding, or unfolding, non-productive times that can account for up to 50% of the time required for the entire process.
  • the embroidery motifs should be available in such a way that they can be used without further processing, such as tensioning or ironing, and could possibly be sent directly to a packaging device. It can also be seen that high solvent concentrations and / or long residence times in the successive solution baths are required for residue-free dissolution of the acetate silk base material for embroidery reels or embroidery packages, which are each multi-layer and relatively thick.
  • FR-A-1 404 114 describes a method in which textile fibers or ribbons pass through a foulard for dyeing. Then they are placed in a fixer. In order to avoid tangling or tearing of the tapes during the fixing process, they are introduced between a carrying and a cover tape.
  • the object of the invention is to provide a device and a method for the treatment of, in particular, flat textile structures, by means of which unproductive idle times are minimized, the amount and / or concentration of the active substances introduced into the liquid bath is considerably reduced, and this ensures that that the treatment of the flat structures leaves them dimensionally stable, so that an additional further treatment is not necessary.
  • This object is achieved by realizing the characterizing features of claim 1 and claim 10.
  • flat structures are to be understood in the following to mean, in addition to textile structures made of woven or knitted materials, also flat structures in the form of fleece or foil.
  • the flat structure which rests on a carrier tape, is additionally covered by a cover tape, and then the treatment in the at least one liquid compartment that is provided for receiving the at least one liquid containing at least one active ingredient, it becomes it is possible to treat the flat structure in one layer, as it is fixed between the support and cover tape. This ensures that the flat structure is treated essentially without affecting its shape.
  • Lower amounts and / or concentrations of active substance, more effective treatment and increased working speed are to be regarded as essential advantages of the device and the method according to the invention.
  • the carrier tape and the cover tape both of which consist of a material resistant to the active ingredient, such as polyester, in the event that dimethyl ketone is used as the active ingredient, are preferably of different quality.
  • the carrier tape, on which the textile, flat structure is placed, on which it is passed through the at least one liquid compartment for treatment with the liquid, and from which it is removed, possibly after passing through a drying device, consists of stronger material than that Shroud which, according to the invention, is placed at least during the pure treatment phase with the liquid containing the active ingredient on the flat structure resting on the support tape. It is thereby achieved that the flat structure after the cover tape has been lifted, which according to the invention has been carried out Treatment with the liquid happens, remains on the carrier tape and is not lifted off with the cover tape.
  • glass fiber-reinforced polyester material for the conveyor belt and polyester curtain material for the cover belt have proven to be advantageous.
  • other materials for the carrying and shroud tape may also be possible or necessary, which are to be selected according to the knowledge of a relevant specialist.
  • Carrier tape, flat structure and shroud are guided over at least one guide roller, at least two guide rollers guide the double belt and the structure to be treated around the guide roller. This ensures uniform and continuous guidance through the treatment device.
  • the guide roller is preferably designed as a friction roller, but it can also be driven. Since the guide roller is generally located in the liquid compartment, sealing problems can arise for driven guide rollers, especially if the liquid used is of an aggressive nature. If the carrier belt is designed as an endless belt, the drive for the carrier belt can be provided anywhere outside the liquid compartments.
  • the shroud which can preferably be designed as an endless belt, just like the carrying belt, is preferably fed or lifted off via rollers, so that the - as described above - preferably thinner and softer shroud reliably covers the structure to be treated over its entire width, a so-called spreader roll is to be provided as the feed roll.
  • Tensioning devices for the carrying and / or shroud ensure a good fixation of the flat structure between the two belts.
  • the shroud is preferably frictionally carried along by the driven carrier tape, so that synchronization devices are not required.
  • a drive should also be provided for the cover belt, with the same belt running speeds being achieved via a synchronization device for the carrying and cover belt.
  • a drying device Downstream of the liquid compartment, in which the treatment of the flat structure with the liquid containing the active substance takes place, there may be a drying device, which may include a closed, explosion-proof chamber and - depending on the liquids or active substances used - a changeover and / or Exhaust device, preferably with a recovery device for escaping active ingredients.
  • the cover tape will be lifted off before the carrier tape with the already treated, flat structures lying thereon is introduced into the drying device, so that drying takes place more quickly, but it will also be possible, particularly with sensitive structures, to provide the cover tape take off only after drying has finished.
  • the guiding of the double belt with the flat, in particular textile, structure fixed in between around the guide rollers can also be done by means of tube lay-on rollers between two guide rollers are arranged on top of each other. This ensures a large wrap angle for safe, non-positive transport.
  • liquid compartments are preferably provided through which the double belt with the goods to be treated is passed.
  • These several liquid compartments can in particular be arranged next to one another in such a way that liquid can - contrary to the treatment direction - flow from one liquid compartment into the one next to it. This enables treatment in the countercurrent principle.
  • Untreated goods are treated with liquid in which the active substance is present in a low concentration, while in the last liquid section (in relation to the direction of treatment) the goods already pretreated in the previous sections are treated with liquid in which the active substance is in the maximum possible concentration or Purity is present.
  • rollers provided in the liquid compartments are designed as perforated, hollow cylindrical bodies, the treatment with the liquid becomes more effective and the necessary dwell time in the individual liquid compartments is reduced.
  • the number of treatment fluid compartments to be provided depends on several factors. Thus, devices that are provided for the chemical cleaning of, in particular, textile structures, depending on the degree of soiling - think of cleaning lines for clothing of steelworkers - will make do with two to three liquid compartments containing organic solvents of different concentrations, the countercurrent principle described above is worked. However, should further treatment steps, such as impregnation of cleaned, flat, in particular textiles, structures, and / or finishing, and / or application of moth-proofing agents or bactericides, then further liquid compartments will have to be connected. In this way, continuous treatment is possible without having to put up with time-consuming additional work.
  • the carrying and / or shroud tape are preferably made of metal mesh or glass fiber fabric coated with Teflon.
  • cellulose esters as carrier material, in particular 2.5 acetate, which is soluble in dimethyl ketone or in formic acid, for example at a throughput speed of the double belt of 3 to 5 m / min - generally four compartments of liquid sufficient.
  • the number of compartments also depends on the concentration of the active ingredient in the liquid, depending on the residence time.
  • the supply of the active ingredient is preferably regulated via a concentrate control. This can be done by measuring the turbidity - to determine the purity - or by measuring the weight - to determine the concentration - either in the first or last fluid compartment (viewed in the direction of treatment).
  • a fabric or film made from polyvinyl alcohol or from certain derivatives of the same has also proven to be advantageous as the support material, since it is soluble in water or in an aqueous medium at room temperature.
  • FIG. 1 shows a treatment chamber 1 with six narrow liquid compartments 2, into which pure dimethyl ketone is introduced via an inlet 3 and from which the dimethyl ketone contaminated by the dissolved acetate silk is withdrawn via an outlet 4. Between the individual liquid compartments 2, intermediate walls 5 are provided, the height of which increases in the treatment direction, which is indicated by an arrow 6. Drain valves 7 are provided for draining the individual compartments 2.
  • Embroidery material 10 is placed on a continuous conveyor belt 8 at a feed station 9 via a roll (not shown) in coupons or also - especially if it is a so-called "all-over embroidery".
  • the carrier tape 8 is guided over a tensioning device 12 and deflection rollers 13, and possibly driven by its own drive (not shown).
  • the drive can also take place via guide rollers 14 which are arranged above the liquid level of the individual liquid compartments.
  • the individual guide rollers 14 are preferably driven via a common chain.
  • a drive via guide rollers 15 arranged in the liquid compartments 2 and thus at least partially in the liquid is also conceivable, but not so cheap due to sealing problems.
  • An endless shroud 11 is placed over a feed roller 16 on the carrier tape 8 carrying the embroidery 10 and is taken non-positively.
  • the cover band 11 is also tensioned via a tensioning device 12a.
  • Carrier tape 8, embroidery material 10 and cover tape 11 then pass through the individual liquid compartments, guided over guide rollers 14 and guide rollers 15.
  • the cover tape 11 of embroidery material 10 and carrier tape 8 is lifted off again via a lifting roller 17. So that the now exposed embroidery motifs or embroidery tapes - the acetate silk is detached - are not lifted off, the cover tape 11 is of a lighter quality than the support tape 8.
  • Support tapes made of glass fiber reinforced polyester and thin curtain-like polyester fabric have proven successful for the cover tapes.
  • the feed roller 16 will preferably be an spreader roller so that the shroud 11 covers the full width of the carrier tape 8 and embroidery material 10.
  • an expander roller which, as is known, is designed as a curved roller or as a roller with a rounded, fabric-protecting, counter-rotating, helical burr, is generally used as a rotating roller, but can also be driven to increase the stretching effect.
  • the treatment of the embroidery goods 10 takes place in countercurrent, since pure dimethyl ketone is introduced into the last liquid compartment 2 b, while contaminated dimethyl ketone is drawn off from the first liquid compartment 2 a and is optionally fed to a distillation device for the recovery of pure dimethyl ketone. This reduces the amount of solvent to be used, since undissolved acetate silk is brought into contact with less concentrated dimethyl ketone, while already dissolved acetate silk is treated with more concentrated to pure dimethyl ketone.
  • the treatment chamber 1, as well as the individual liquid compartments 2 and the various rollers that serve to guide the double belt and the embroidery material 10, are explosion-proof and made of solvent-resistant materials.
  • the treatment chamber 1 is followed by a drying chamber 18, in which the carrier tape with the embroidery motifs is guided over a drying device 19, which is designed here as a perforated plate with a heating register.
  • a heating plate for example made of Eternit, can also be provided.
  • the type of heating also depends on the liquids to be evaporated. For example, hot steam, hot water or thermal oil are used as heating agents in processes in which explosive liquids are used; electrical heating would be possible with processes using perchlorethylene.
  • the dried embroidery motifs can be removed - the drying device 19 also serves as a material removal station. Since the embroidery motifs were fixed in the liquid compartments 2 between the two tensioned bands, the supporting band 8 and the shroud 11 during the entire treatment period, they are neither warped nor curled; Ironing or tensioning to restore the desired shape is not necessary.
  • the drying chamber 18, which is of an open design here, has an extraction system 20; evaporated solvent can, if appropriate, be recovered.
  • the device shown in Figure 1 with narrow liquid compartments 2 enables a very effective treatment of the embroidery 10, which is held between the double belt 8, 11 over a large part of its length within the liquid compartments 2, through which the solvent flows freely. This enables shorter dwell times and increases the working speed.
  • FIG. 2 shows an alternative embodiment for a device according to the invention.
  • three treatment chambers 1a, 1b and 1c are provided, each of which comprises a liquid compartment 2c, 2d and 2e.
  • Each of the treatment chambers 1 is designed as a closed, possibly explosion-proof, space with exhaust air devices 20a, 20b and 20c.
  • the individual liquid compartments 2 are provided for holding liquid with possibly different active substances or with active substances in different concentrations.
  • the goods to be treated are fed to the first liquid compartment 2c in the treatment direction (arrow 6) between the carrier tape and the cover tape already applied thereon in front of the liquid compartment 2c. As shown in FIG.
  • the cover and carrier tapes can also be provided as endless tapes, but also individual feeds via rollers, of which - if necessary, to the respective one Treatment to be adapted - carrier tape and / or shroud unrolled in strips and rolled up again after the treatment is conceivable.
  • Guide rollers 14 guide the double belt with the goods fixed therebetween - guide rollers 15 arranged differently according to the desired treatment step - the arrangement of the guide rollers 15a in the first liquid compartment 2c, as well as that of the guide rollers 15c in the last liquid compartment 2e, is suitable for treatment steps that require relatively short dwell times and, if necessary, serve for pretreatment or post-treatment.
  • the arrangement of the rollers 15b in the central liquid compartment 2d results in a substantially horizontal guidance of the double belt 8, 11 and the goods 10 lying in between.
  • a treatment step which requires a long dwell time will take place in this liquid compartment 2d.
  • the liquid can fill this compartment 2d almost completely, so that the guide rollers 15b and the double belt guided in between are in the liquid, but the liquid can also only reach a certain height, possibly up to the first pair of rollers , the double belt absorbing enough liquid and being subjected to the treatment during its passage through the compartment 2d.
  • spray nozzles or spray tubes 21 can also be provided for rewetting, which additionally spray liquid loaded with active substance.
  • the cover tape After leaving the last liquid compartment 2e, the cover tape is removed in the manner described above, the goods are dried if necessary before or only after removal of the cover tape, and removed from the support tape.
  • the carrying and shroud straps are sufficiently tensioned, and that the goods to be treated are properly fixed in between, since when they pass through the middle liquid compartment 2d, they rest once on the carrier tape and then on the shroud, so that with very soft and thin shroud materials there is a risk that this will give way under the weight of the goods and there is undesired sagging of the cover tape and slipping and agglomeration of the goods to be treated.
  • the cover and carrier tape should preferably be of approximately the same quality.
  • FIG. 3 shows a further variant, in which three liquid compartments 2f, 2g and 2h are provided, which are designed as closed chambers, the liquid being - in a manner similar to the arrangement shown in FIG. 1 - in countercurrent to the treatment direction 6 and the passage of the liquid Goods 10, the carrier tape 8 and the shroud 11 is guided.
  • Pure dimethyl ketone (corresponding to the example for the treatment of acetate silk provided with cotton embroidery) is fed to the last compartment 2 hours (feed 3), contaminated dimethyl ketone is drawn off from the first compartment 2 f (drain 4) and optionally subjected to distillation to recover it.
  • Overflow pipes 22 are provided between the individual liquid compartments - the individual liquid compartments are preferably arranged at different levels for this purpose - so that the liquid can flow from one liquid compartment 2h or 2g into the next liquid compartment 2h or 2f. Valves could also be arranged in the overflow pipes, via which the filling or the outflow into or out of the individual liquid compartments 2h, 2g, 2f can be controlled.
  • a guide roller 15d with a relatively large diameter and two guide rollers 14 are provided, which guide the double belt around the guide roller 15d with a large wrap angle.
  • the guide roller 15d as a circumferential, perforated drum, preferably made of stainless steel.
  • An inner, preferably also perforated, fixed drum can be provided for stabilization.
  • Means can be provided in the interior thereof, such as baffles or pressure rollers, forcing the liquid to flow from the inside to the outside.
  • the guide rollers 15d are not driven in the arrangement shown in FIG. 3, since the carrier belt 8 is driven by its own drive drum 22.
  • the embroidery material 10 is placed on the carrier tape 8 at a feed station 9, and the cover tape 11 is placed on the carrier tape 8 and embroidery product 10 in accordance with the manner shown in FIG.
  • tensioning devices 12 and 12a are provided for the carrier tape 8 and cover tape 11, as are deflection rollers 13, feed rollers 16 and lifting rollers 17.
  • the cover band 11 is only lifted after passing through a drying chamber 18a with a suction system 20 that is completely closed here.
  • the goods can then be removed from the carrying belt 8 at a subsequent goods acceptance station 23.
  • FIG. 4 A further alternative is shown in FIG. 4, in which the carrier tape and cover tape guide correspond to the manner shown in FIG. 3 - the meaning of the corresponding reference symbols can be found in the description of FIG. 3.
  • a large liquid compartment 2i is provided for treatment, the double belt and the goods being guided over an arrangement of guide rollers 15e designed as a so-called roller skid and pipe support rollers 24 lying between them. This arrangement ensures very good guidance of the double belt; If guide or pipe lay-on rollers are designed as perforated hollow cylinders, the material to be treated is thoroughly flushed by the liquid.
  • the arrangement shown in Figure 4 is in the same way for several, liquid compartments containing different liquids can be used. 4, concentration differences within the liquid compartment 2i are also to be expected, in particular when - similar to the one shown above - an inlet and an outlet are provided for the liquid containing the active substance.
  • the drying device 18a shown in FIG. 4 shows a so-called nozzle drying field, which enables uniform drying over the width of the belt. Since the temperature and speed of the air can be specifically adjusted with this type of dryer, short drying times can be achieved.
  • Suction and subsequent recovery and distillation recovery devices can be provided for each of the devices described. It is also possible to combine different liquid compartments with different double belt guides - as can be seen for example in FIG. 2 - depending on the desired treatment or sequence of process steps.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP93119347A 1992-12-18 1993-12-01 Verfahren und Vorrichtung zur kontinuierlichen Behandlung von flächigen, textilen Gebilden Expired - Lifetime EP0602453B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH387792 1992-12-18
CH3877/92 1992-12-18

Publications (2)

Publication Number Publication Date
EP0602453A1 EP0602453A1 (de) 1994-06-22
EP0602453B1 true EP0602453B1 (de) 1996-03-27

Family

ID=4265418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119347A Expired - Lifetime EP0602453B1 (de) 1992-12-18 1993-12-01 Verfahren und Vorrichtung zur kontinuierlichen Behandlung von flächigen, textilen Gebilden

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EP (1) EP0602453B1 (cs)
AT (1) ATE136070T1 (cs)
CZ (1) CZ284562B6 (cs)
DE (1) DE59302045D1 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433174A (zh) * 2013-07-28 2013-12-11 安徽丹凤电子材料股份有限公司 一种含浸槽
CN105834065B (zh) * 2016-05-31 2019-09-24 广东汕樟轻工股份有限公司 一种多功能浸渍涂布水箱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1404114A (fr) * 1964-08-07 1965-06-25 Basf Ag Procédé et dispositif pour la teinture en continu de rubans de peigné et de câble de filature en laine et en fibres synthétiques
US3990274A (en) * 1973-11-13 1976-11-09 Teijin Limited Apparatus for continuously processing fabric
DE3112160A1 (de) * 1981-03-27 1982-10-21 Mathias 4815 Schloss Holte Mitter Maschine zum auftragen von chemikalien auf faserige flaechengebilde, insbesondere textile warenbahnen

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Publication number Publication date
DE59302045D1 (de) 1996-05-02
CZ270793A3 (en) 1994-07-13
ATE136070T1 (de) 1996-04-15
EP0602453A1 (de) 1994-06-22
CZ284562B6 (cs) 1999-01-13

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