EP3011098B1 - Procédé de dépôt contrôlé d'un bain de teinture sur un fil, un assemblage de fils ou une bande textile - Google Patents

Procédé de dépôt contrôlé d'un bain de teinture sur un fil, un assemblage de fils ou une bande textile Download PDF

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Publication number
EP3011098B1
EP3011098B1 EP14739033.0A EP14739033A EP3011098B1 EP 3011098 B1 EP3011098 B1 EP 3011098B1 EP 14739033 A EP14739033 A EP 14739033A EP 3011098 B1 EP3011098 B1 EP 3011098B1
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EP
European Patent Office
Prior art keywords
liquor
textile web
web
warp yarn
running
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.)
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Application number
EP14739033.0A
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German (de)
English (en)
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EP3011098A2 (fr
Inventor
Rainer TÜXEN
Jose Walter ALVAREZ
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.)
ROTOTECH URBAN LTDA
Tuexen Rainer
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Rototech Urban Ltda
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Publication of EP3011098A2 publication Critical patent/EP3011098A2/fr
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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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • 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
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/002—Treatment of selected parts of textile materials, e.g. partial dyeing of moving yarns
    • D06B11/0023—Treatment of selected parts of textile materials, e.g. partial dyeing of moving yarns by spraying or pouring
    • 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
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
    • D06B11/0059—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by spraying
    • 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
    • D06B5/02—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length
    • D06B5/10—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length using centrifugal force

Definitions

  • the invention relates to a method for the controlled application of a liquid to a yarn, a yarn bundle or a textile web according to the preamble of claim 1.
  • a device is known with which to apply color pigments, dyes and other chemical liquids to textile materials.
  • a textile web is moved along a path and deflected several times on its path over pulleys. The deflection is carried out such that the textile web is guided in mutually approximately parallel Laufwegabitesen with mutually opposing directions of movement.
  • the liquid to be applied to the textile web is distributed as droplets by a plurality of rotary disks in a plane of rotation over 360 ° circumferential angles, wherein a plurality of rotary disks lie next to one another across the width of the textile web.
  • the rotary disks are arranged between the runway sections so that the droplets of the liquid are simultaneously applied to the unidirectional textile web section of the first runner section and to the other-direction textile web section of the second runner section.
  • a rotary disk carries the liquid in each case on the same web side of the textile web, wherein a second liquid application is applied in the second Laufwegabites via a first liquid application from the first Laufwegabites.
  • First rotary disks are arranged between the first and second runway sections and apply the liquid to the first web side; second rotary disks are arranged between the second and third runway sections and apply the liquid to the second web side.
  • the liquid application can take place simultaneously on the first and the second web page.
  • a dye liquor As liquid, a dye liquor is proposed, which is kept ready in a storage tank and fed to the rotary disks via a metering pump. Excess dye liquor is collected in a drip pan and returned via a filter in the reservoir.
  • the spray liquor provided in the storage container is mixed together according to the manufacturer's instructions, with hydrolysis losses occurring in terms of time of an e-function occurring as an example for many chemical reactions in the textile industry in the case of a reactive dye depending on the liquor temperature and the liquor consumption.
  • the hydrolysis losses are greater over time, the higher the concentration of the fixing chemical. If a lower concentration of fixing chemicals is added to reduce the hydrolysis losses, the fixing time of the paint application is prolonged. The concentration of the fixing chemical added is thus a compromise between a necessary fixing time and the hydrolysis losses in the spray liquor.
  • a device with spray nozzles is known in which a dyeing liquor is used, which consists of a reactive dye and a alkaline acting agent in aqueous solution.
  • the solutions are presented in separate containers and mixed before use in a buffer vessel containing a buffer. In this way, only a small amount of the dyeing liquor must be replaced when the device has stood still longer.
  • the CH 612 229 A5 discloses an apparatus for producing flexible, foam-backed carpets. Via spray nozzles and a feeder, a polyurethane foam-forming chemical is applied to the back of a continuous length of the carpet. The chemically reacting components are fed via a distributor for the reaction mixture.
  • the invention has the object of developing a method of the generic type such that at low losses of a rotary disk to be applied reactive liquid uniform liquid application is achieved on a web with reduced fixing time.
  • the inventive method is generally applicable to webs, so not only in textile webs per se, but also in the dyeing or treatment of yarns, warp yarns, yarn sheets and the like.
  • Yarn is understood here as a collective term for all linear textile structures.
  • a yarn is analogous to a long, thin structure of one or more fibers.
  • It is a textile intermediate, which too Woven, knitted, knitted and embroidered can be processed or used for sewing.
  • Under textile web is understood as a woven or knitted fabric as well as non-woven goods, such. As knitted fabrics, terry cloth, nonwovens, carpets, fibers or the like. Textile material.
  • native or regenerated cellulose such as cotton, viscose, modal, cupro, protein fibers such as wool or silk, polyamide fibers such as polyamide 6, polyamide 6.6, or polyester, in particular polyethylene terephthalate can be used.
  • polyamide fibers such as polyamide 6, polyamide 6.6, or polyester, in particular polyethylene terephthalate
  • mixtures of said fibers for example mixtures of cotton, viscose, modal, polyester, polyamide.
  • the spray liquor is mixed together just before being fed to a rotary plate.
  • short before is meant a period of time that is less than 6 minutes, especially less than 1 minute. This time can also be referred to as SprühflottenITzeit, within which the spray liquor is replaced in the reservoir and the entire piping system, so the entire volume of the feed system is replaced by continuous consumption and continuous new mixing to the rotating disks. Since the mixing of the mixing components and their mixing into a spray liquor takes place only shortly before the spray liquor is fed to the rotary disk, the hydrolysis losses in the spray liquor can be kept low, for example, in reactive dyestuffs.
  • the liquids used are suitable colorants, such as high affinity optical brighteners, dyes or pigments, such as reactive dyes, vat and indigo dyes, sulfur dyes, disperse dyes, direct dyes and, preferably, reactive dyes.
  • suitable colorants such as high affinity optical brighteners, dyes or pigments, such as reactive dyes, vat and indigo dyes, sulfur dyes, disperse dyes, direct dyes and, preferably, reactive dyes.
  • reactive dyes having at least one, optionally two or three, reactive groups from the series vinylsulfone chlorotriazine, fluorotriazine, or difluoropyrimidine are advantageous.
  • suitable dyes are Reactive Yellow 145, Reactive Yellow 176, Reactive Orange 107, Reactive Orange 131, Reactive Red 195, Reactive Red 239, Reactive Blue 250, Reactive Blue 19, Reactive Blue 21, Reactive Black 5.
  • the maximum volume of the spray liquor provided in the system for consumption is set such that it corresponds approximately to the sum of the volume of a reservoir of the spray liquor and the volumes of all supply lines to the rotating disks and all return lines to the reservoir.
  • This system volume is z. B. for a device with two successive treatment zones, ie a rotation disk or a rotation bar between a first and a second Laufwegabites and another rotation disk or another rotation bar between the second and a third Laufwegabites between 8 to 15 liters, so that the system volume within a short time interval of less than 6 minutes, preferably consumed within 1 minute.
  • the threads, the warp yarns or a yarn bundle In order to ensure good moisture penetration / staining of the textile web, the threads, the warp yarns or a yarn bundle, it is provided to detect the degree of moisture of the textile web, preferably over its entire fabric width in the direction of the liquid application with a measuring device and depending on the detected moisture level, the volume flow adjust the supplied liquid.
  • the liquid is supplied via an adjustable metering pump, the volume flow of the metering pump being adjusted as a function of the running speed of the textile web or the yarn bundle and the determined moisture penetration of the textile web or the yarn bundle.
  • the textile web or the yarn bundle may be expedient to supply the textile web or the yarn bundle after a liquid application of a residence time at a defined product temperature for fixing the liquid application in a semi-continuous process.
  • This is expedient after winding the web (textile web or yarn sheet) on a quay or a warp beam.
  • the web is fed to a liquid application of an intermediate drying.
  • the web can be supplied to the spray application of reactive dyes for Fixierzeitverkürzung a continuous fixation preferably a steam or dry heat fixation.
  • the angle of inclination against the running direction of the textile web section can be adjusted to up to 10 °.
  • a plurality of rotary disks are provided in a row next to each other in a treatment zone, wherein the immediately adjacent rotary disks are driven in opposite directions of rotation. It may be appropriate be to drive the rotating disks in the same directions.
  • the rotation disks - in particular switchable - can be operated in the same or in opposite directions of rotation.
  • liquid distribution rotary disks are driven in a speed range of about 1,500 1 / min to about 2,900 1 / min, wherein the liquid supplied in the center of the rotating disk at a flow rate of about 2 cm 3 / s is set to about 17 cm 3 / s.
  • the rotational speed of the rotary disk Essential for the penetration of the liquid droplets in a web such as a textile web, yarns or a Garnschar is the rotational speed of the rotary disk, wherein the rotational speed of the rotary disk, so the angular velocity is adjustable.
  • the rotational speed of the rotating disk can be changed as a function of the viscosity of the supplied liquid; on the other hand, the rotational speed of the rotating disk can be set as a function of the volume flow of the liquid supplied to the rotating disk.
  • An advantageous rotation disk of the device is formed with a rising edge similar to a soup plate.
  • the grooves are preferably aligned radially to the center of the rotating disk. Suitably, they are arranged such that they adjoin each other in the circumferential direction without gaps.
  • the liquid film forming on the rotary disk will be divided into liquid streams in the area of the grooves.
  • a spray is formed, which is thrown off shortly after the trailing edge to form droplets.
  • the fixing time is selected by adjusting the product temperature and by adjusting the proportion of fixing chemical when using a reactive dye.
  • a yarn bundle is supplied after a spray paint application with prereduced indigo of a continuous oxidation by an air passage, with a duration of 90 to 180 seconds, preferably 100 to 160 seconds.
  • Fig. 1 is shown as a flexible web, a textile web 1, which is guided on a path 2 by a device 3 for applying a liquid, in particular for applying a dyeing solution or dye liquor.
  • the textile web is guided over deflecting rollers 4, 5, 6, 7, 8, 9 in order to deflect the textile web 1 on each deflection roller in its running direction.
  • the textile web 1 entering the embodiment horizontally is deflected vertically upwards on the first deflection roller 4, resulting in a first runway section 10.
  • the deflection rollers 7 and 8 deflect the textile web into another, vertical Laufwegabexcellent 12; via the guide roller 9, the textile web 1 exits from the device 3 again.
  • a first run path section 10 a second run path section 11 and a third run path section 12 are formed in the device 3.
  • the vertical Laufwegabitese 10, 11, 12 are at a horizontal distance from each other and are guided in the embodiment shown approximately parallel to each other.
  • the axis of rotation 14 may be vertical. Between the first runway section 10 and the second runway section 11, a first treatment zone 15 is thus formed.
  • a second treatment zone 18 is formed between the second runway section 11 and the third runway section 12.
  • a second rotation disk 16 is provided, whose rotation axis 17 is also vertical.
  • the rotary disks 13 and 16 are respectively disposed between the raceway portions 10, 11 and 12 so as to be approximately midway between the raceway portions.
  • the distance of the rotation axes 14 and 17 to the respective Laufwegabitesen 10, 11 and 12 is approximately equal.
  • the Laufwegabitese 10, 11 and 12 have mutually opposite directions of rotation 19, 20 and 21, which is achieved by the multiple deflection of the textile web 1 on its path 2.
  • Ware can be treated in the device. It is provided to arrange over the width of a web several rotation disks 13 and 16 of the same training. In the first treatment zone 15, a beam with a plurality of rotating disks 13 is thus provided in a row next to each other, with immediately adjacent rotary disks be driven in opposite - or expediently in the same - directions of rotation. Accordingly, in the second treatment zone 18, a bar with a plurality of rotating disks 16 is provided.
  • the rotary disks of a beam form a spray area, wherein no spray chamber boundaries are provided between the rotary disks of a spray area or a rotor beam.
  • the coverage area of a spray area of the rotary disks with the material web is set in such a way that about 75% to 90% of the liquid supplied to the rotary disks is taken up by the material web and the remaining liquid fraction is collected via lateral baffles 44 and returned via return lines 31.
  • the first spray bar for the upwardly moving web section and the downwardly running web section already achieves a very uniform spraying over the web width.
  • the pre-wetting effect is particularly advantageous due to the first spraying of the upwardly running web section and the subsequent spraying of the already moist web section, which now proceeds downwards, whereby an improved and uniform ink droplet penetration is achieved.
  • the effect can be optimized by adjusting the dimensions of the rotor diameter, the distances from center to center of adjacent rotors as well as the distance between the material web and the rotor bar.
  • Dye solution and fixing chemical are brought together via metering pumps 24, 25 in a defined mixing ratio just before a reservoir 26, fed to this and homogeneously mixed in the reservoir 26.
  • a further metering pump 27 withdraws the spray liquor 39 provided in the reservoir 26 and feeds it via feed lines 28 to the rotary disks 13 and 16.
  • the supply lines 28 open above the rotary disks 13 and 16 in an injector 29, which at a small distance above the center 45 of a Rotation disc ends.
  • the volumetric flow supplied by the metering pump 27 has an adjustable flow rate of about 2 cm 3 / s to about 17 cm 3 / s.
  • the supply of the spray liquor to an injector takes place largely without pressure, preferably in such a way that almost no pressure is present, so that the liquid jet emerging from the injector 29 impinges on the rotating disk without being splashed.
  • a uniform distribution of the supplied liquid in the plane of the rotary disk can be achieved, which is conducive to the uniform distribution of the spray liquor.
  • “depressurized” is also meant a low pressure which may be necessary to convey the spray liquor to the injector.
  • the pressure is chosen so low that no splash occurs when the liquid jet impinges on the rotating rotating disk.
  • the rotary disks 13 and 16 rotate in a speed range of about 1,500 rpm to about 2,900 rpm, and the rotational speeds of the rotary disks 13 and 16 can be controlled in accordance with operating variables.
  • the rotational speed of a rotary disk 13 or 16 can be adjusted as a function of the viscosity of the supplied liquid or else as a function of the size of the volume flow of the liquid supplied via the injector 29 in the center 45 of the rotary disk.
  • the supplied liquid is distributed as droplets, wherein the rotation disks release this aerosol from droplets over 360 ° in the treatment zone 15 or 18.
  • the droplets of liquid from the rotary disk 13 are applied simultaneously in a plane of rotation 30 to the textile web section of the first running path section 10 running in one running direction 19 and to the textile web section of the second running path section 11 running in the other running direction 20.
  • the second application of liquid in the second path segment 11 is applied via the first liquid application from the first path segment 10.
  • the spray liquor 39 mixed together from the mixing components from the containers 22 and 23 only shortly before the storage container 26
  • the volume of the reservoir 26 is so dimensioned that it is not substantially larger than the system filling in the supply line 28 and the return line 31.
  • the maximum Volume of the spray liquor 39 in the reservoir 26 is determined according to the consumption volume of all rotating disks of the device 3, which is consumed within a predetermined time window.
  • This time window is dimensioned so that it corresponds to the replacement time of the spray liquor in the reservoir 26 and is less than 6 minutes, in particular less than 1 minute. This can ensure that after the merger of the mixed components and their mixture to a z.
  • the spray liquor exchange time is less than 6 minutes, in particular it is less than 1 minute or in the range of 1 minute.
  • Fig. 3 the y-axis is given with the residence time t in hours; the x-axis represents the effective web temperature T in degrees Celsius.
  • the fixing chemical (fixing alkali) in the spray liquor can be significantly increased. Even at an increase of 30% (pH 12.38), the fixation time drops by 3 hours at 20 ° C; a higher proportion of fixing chemical is added so that z. B. is given a pH of 12.69, the residence time of 6 hours at 20 ° can be lowered to 4 hours at 30 °. Compared to the hitherto known composition of the spray liquor 39, the fixing times can be reduced by up to 10 hours with little loss of color.
  • the volume flow of the spray liquor 39 set by the metering pump 27 can be regulated in the flow, the volume flow of the metering pump 27 being set as a function of the running speed of the material web.
  • the volume flow can be adjusted additionally or additionally according to the determined moisture penetration of the textile web, for which purpose the textile web at the outlet of the device 3 preferably has a measuring device 32 for measuring moisture, in particular over its entire product width.
  • a rotation disk is tilted such that the plane of rotation 30 of the liquid droplets thrown off is inclined relative to the running direction 19 of the respective travel path section 10, 11 and 12.
  • baffles 44 collecting gutters 33 and 36 are provided, which recirculate via the return line 31 trapped spray liquor 39 in the reservoir 26.
  • the vote of the spray area of the rotary disks is made such that about 75% to about 90% of the supplied spray liquor received by the textile web 1 and the collected liquid fraction of 10% to 25% is recycled to the reservoir 26 respectively. The liquid thrown off the rotor disks outside the web is thus collected and returned.
  • the web is referred to as a textile web 1;
  • the inventive method is not only applicable to textile webs, but also in the dyeing or in the treatment of general yarns, warp yarns and a Garnschar or the like.
  • textile web Before their processing into a textile web z. B. by binding of warp and weft threads.
  • Under textile web is understood as both a woven fabric or knit fabric as well as non-woven goods, such. As knitted fabrics, nonwovens, terry cloth, fibers or the like. Textile material.
  • the yarns are usually supplied as Garnschar 100 of the device 3; Garnschare can consist of individual juxtaposed threads or layers of threads. Regardless of whether a textile web or a yarn bundle is dyed, there are similar advantages.
  • dye liquors liquors consisting of optical brighteners and auxiliary chemicals, liquors from sizing agents for the treatment of warp yarns and liquors consisting of equipment chemicals for the function of textiles such.
  • plasticizers refining, dispersions and emulsions proposed.
  • FIG. 2 shows a biped process using 2 like devices 3 and 3a as shown in FIG Fig. 1 are shown. For identical parts, therefore, the same reference numerals are used.
  • the web of fabric present as a textile web 1 or yarn bundle 100 100 is deflected on a path 2 in the device 3, whereby in the first device 3 the are formed first and second treatment zones 15 and 18 and in the downstream device 3a further treatment zones 15a and 18a, which are associated with the rotary disks 13a and 16a.
  • a treatment chamber 40 is provided, in which the web is repeatedly guided over several pulleys back and forth to the web z. B. to heat by a heater 41 in the treatment chamber 40 to a desired temperature.
  • the fixing time can be further reduced without the spray liquor 39 itself having to be increased in temperature. This applies to a semi-continuous reactive cold dyeing (20 ° C to 35 ° C).
  • the treatment chamber 40 can also be designed as a roller air passage for oxidation, provided that the device 3 is used to carry out continuous indigo, vat or sulfur dyeing by way of example.
  • the treatment chamber 40 is designed as an intermediate dryer, if it is an example of a continuous reactive, indigo, vat, sulfur, dispersion, direct or acid color.
  • a first liquid of a first chemical composition is supplied to the rotary plate 13, so that a first web page of the textile web 1 z. B. is treated with a dye solution.
  • a second liquid of a second chemical composition namely a fixing alkali is supplied and applied to the same, first web side of the web.
  • the first device 3 has a liquid feed separated from the second device 3a so that the dye solution of the device 3 does not contact the fixing alkali in the device 3a. Losses of dye or fixing alkali can be minimized, and conventional additions of high levels of salt (up to 280 g / l) in continuous processes can be dispensed with due to the non-contact application in the second device 3a.
  • the first liquid also applied to the second side of the product.
  • the web is thus provided twice with a liquid order, so once on the first side of the goods (front) and once on the second side of the goods (back).
  • the second liquid is likewise applied to both sides of the product.
  • a web eg textile web 1 or yarn bundle 100
  • the z. B. can be a paint job.
  • the second spray application of a second liquid is applied to the first and the second fabric side of the fabric, wherein the liquid of the second spray application may be a fixing chemical.
  • the liquid circuit of the first liquid in the first device and the liquid circuit of the second liquid in the second device are separated from each other, so that no interactions can occur.
  • a minimum system volume of each device 3, 3a between 8 to 15 liters is designed.
  • rotary disk 13 has a flat plate 34 which carries a raised, rounded edge 35.
  • the edge 35 terminates in a peripheral flange 37 with a trailing edge 47.
  • the plane of the peripheral flange 37 is approximately parallel to the plane of the plate 34th
  • radial grooves 38 are formed, each extending from the edge of the plate 34 to the edge of the peripheral flange 37. In the circumferential direction, the grooves form a kind of toothing; Groove 38 is adjacent groove 38 in the circumferential direction.
  • liquid is supplied via an injector 29 when rotating disc 13 is rotating in the center 39, then it preferably occurs without splashing, in particular like an emulsion, on the plate 34 and, due to the rotation, is distributed as an emulsion which causes the Plate 34 covered as a thin layer of liquid surface. Due to the rotation of the plate 34, the emulsion in the edge region of the plate 34 enters the grooves 38, wherein the emulsion film is dissolved on the plate 34 in the region of the grooves 38 to individual liquid jets.
  • the grooves 38 end; the liquid contained in the grooves 38 exits on the peripheral flange 37 and is thrown off radially as a liquid jet (filament), whereby fine microdroplets preferably form shortly after the trailing edge 47, in particular in their vicinity.
  • the rotational speed of a rotary disk is adjusted so that an aerosol formed from droplets, which penetrates with defined depth of penetration into the web, ie the Garnschar or the textile web.
  • the process according to the invention generally permits, when applied to cellulosic fibers or cellulose fiber mixtures with reactive dyes, a far-reaching optimization of the process conditions.
  • a fixation time of 2 or 5 hours could result from 8 to 24 hours fixation time at 20 ° C by increasing the fixation temperature to 35 ° C.
  • the fixation time drops significantly below 2 or 5 hours.
  • the productivity can be significantly increased even in Kleinmetragen, the process of the invention unlike the KKV process significantly less losses caused by hydrolysis of the reactive dyes.
  • the amount of alkali can preferably be increased in light to medium color depths by 30% to 200%, preferably by 100% compared to the usual recommendations in the KKV process, without comparable high losses occur by hydrolysis.
  • a liquid can be applied in a targeted and controlled manner to a material web which is moved along a travel path 2 in a device 3.
  • the web undergoes deflection rollers 4, 5, 6, 7, 8, 9, a multiple change of direction, wherein the web is guided in mutually approximately parallel Laufwegab4.000en 10, 11, 12 with mutually opposing directions of rotation 19, 20, 21.
  • the controlled applied liquid is distributed between the Laufwegabroughen 10, 11, 12 by a rotating disk 13, 16 in a plane of rotation 30 as droplets, the droplets of the liquid in a preferred manner simultaneously on the running in the one direction web portion of the first Laufwegabroughes 10 and the running in the other direction web portion of the second Laufwegabroughes 11 are applied.
  • the liquid supplied to a rotary disk 13, 16 is a spray liquor composed of mixing components, the mixing of the mixed components and their mixing into a spray liquor shortly before the supply of the spray liquor to the rotary disk 13 or 16 he follows. This can be achieved in that the mixing components are brought together shortly before the supply to the reservoir 26 and after mixing in the reservoir via short lines the rotor disks are supplied, so that a rapid consumption of the mixed spray liquor is achieved. This process may also be referred to as a "one-bath" process.
  • a method for the controlled application of a liquid to a web can generally be specified in the sense of a "two-stranded" method, which can preferably be used for applying a dye liquor to a web and in particular for dyeing with indigo.
  • the web is moved along a path 2 and passes on its path 2 via pulleys 4, 5, 6, 7, 8, 9 a multiple change of direction, the web in a treatment zone 15, 18, for example, a first device 3 and in a treatment zone 15a, 18a, for example, a second device 3a in approximately mutually parallel Laufwegabroughen 10, 10a, 11, 11a, 12, 12a with oppositely directed directions of rotation 19, 20, 21 is guided.
  • the fluid to be applied is in each case distributed between the Laufwegabroughen 10, 10a, 11, 11a, 12, 12a by rotating disks 13, 13a, 16, 16a in a plane of rotation 30 as droplets, wherein the droplets of liquid on a running in the one direction web portion of the first travel path section 10, 10a and in a running in the other direction web portion of the second Laufwegabiteses 11, 11a are applied.
  • the second liquid application in the second path segment is applied from the first path segment 10 via a first liquid application.
  • first liquid of a first chemical composition to a first treatment zone 15 and to apply it to a first product side of the product web, and in a further treatment zone 15a through a further rotation disk 13a a second one To supply liquid of a second chemical composition.
  • This second liquid is applied in the further treatment zone 15a to the spray application from the first treatment zone 15, that is, to the same, first side of the goods web.
  • the first liquid is also applied to the second fabric side of the fabric web.
  • the second liquid is then applied to both sides of the product web in both further treatment zones 15a, 18a.
  • a dye liquor applied to both sides of the web and applied in a downstream device 3a a fixing chemical on both sides of the fabric web, so that the spray application of the fixing chemical superimposed on the spray application of the dye liquor.
  • the spray liquor applied by the rotary disks can be used as a minimum application (eg 8% to 40% pick-up, in particular 15% to 40% based on the dry weight of the web) or as a high-moisture application (eg 40% to 130% pick -up based on the dry weight of the web) are executed.
  • a minimum application eg 8% to 40% pick-up, in particular 15% to 40% based on the dry weight of the web
  • a high-moisture application eg 40% to 130% pick -up based on the dry weight of the web

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (21)

  1. Procédé pour l'application commandée d'un liquide sur une bande textile (1), un fil ou une nappe de fils composée de fils juxtaposés,
    - selon lequel la bande textile (1), le fil ou la nappe de fils (100) est déplacée le long d'un parcours (2), et la bande textile (1), le fil ou la nappe de fils (100), sur son parcours (2), subit plusieurs fois un changement de direction par l'intermédiaire de rouleaux de déviation (4, 5, 6, 7, 8, 9),
    - la bande textile (1), le fil ou la nappe de fils (100), dans des sections de parcours (10, 11, 12) à peu près parallèles, est guidée avec des sens de défilement (19, 20, 21) opposés,
    - et le liquide, entre les sections de parcours (10, 11, 12; 19, 20, 21), est réparti sous la forme de gouttelettes grâce à un disque rotatif (13, 16) dans un plan de rotation (30),
    - l'axe de rotation d'un disque rotatif est orienté dans le sens de défilement de la section de parcours,
    - les gouttelettes de liquide sont appliquées en même temps sur la section de bande textile, le fil ou la nappe de fils (100) de la première section de parcours (10) qui passe dans un sens, et sur la section de bande textile, le fil ou la nappe de fils (100) de la deuxième section de parcours (11) qui passe dans l'autre sens,
    - et la deuxième application de liquide est réalisée dans la deuxième section de parcours (11) par-dessus une première application de liquide résultant de la première section de parcours (10),
    - le liquide amené jusqu'au disque rotatif (13, 16) est un bain de pulvérisation (39),
    - et le bain de pulvérisation (39) se compose de composants de mélange, caractérisé
    - en ce que la réunion des composants de mélange et leur mélange pour former un bain de pulvérisation (39) ont lieu, dans le temps, juste avant l'amenée du bain de pulvérisation jusqu'au disque rotatif (13, 16),
    - et en ce que le volume maximal du bain de pulvérisation (39) mélangé est choisi à peu près en fonction du volume de consommation de tous les disques rotatifs (13, 16) à l'intérieur d'un laps de temps prédéfini,
    - le laps de temps étant inférieur à 6 minutes.
  2. Procédé selon la revendication 1,
    caractérisé en ce que le laps de temps est inférieur à 1 minute.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que le volume maximal du bain de pulvérisation (39) est réglé à une valeur à peu près égale à la somme du volume d'un réservoir (26) du bain de pulvérisation (39) et des volumes de toutes les conduites d'amenée (28) qui mènent aux disques rotatifs (13, 16) et de toutes les conduites de retour (31) qui mènent au réservoir (26).
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce qu'après l'application de liquide, dans le sens de défilement (19, 20, 21), le degré d'humidité de la bande textile (1) est détecté à l'aide d'un dispositif de mesure (32), et le débit volumique du liquide amené est réglé en fonction du degré d'humidité détecté.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que plusieurs disques rotatifs (13, 16) sont disposés côte à côte sur la largeur d'une bande textile (1) ou d'une nappe de fils (100), et la zone de recouvrement d'une zone de pulvérisation des disques rotatifs (13, 16) avec la bande de textile (1) ou la nappe de fils (100) est réglée pour qu'environ 75% à 90% du liquide amené jusqu'aux disques rotatifs (13, 16) soient reçus par la bande textile (1) ou la nappe de fils (100), et que la part de liquide restante soit recueillie et ramenée dans le bain de pulvérisation (39).
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce que le liquide est amené jusqu'aux disques rotatifs (13, 16) par l'intermédiaire d'une pompe de dosage (27) à débit réglable, et en ce que le débit volumique de la pompe de dosage (27) est réglé en fonction de la vitesse de défilement de la bande textile (1) ou de la nappe de fils (100), et de l'humidification déterminée de la bande textile (1) ou de la nappe de fils (100).
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce que la bande textile (1) ou la nappe de fils (100), après une application de liquide, de préférence après avoir été enroulée sur un rouleau, est soumise pendant un temps de séjour à une température de produit définie, en vue du fixage de l'application de liquide.
  8. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce que la bande textile (1) ou une nappe de fils (100), après une application de liquide, est soumise à un fixage, en particulier à un fixage à la vapeur ou à la chaleur sèche.
  9. Procédé selon l'une des revendications 1 à 8,
    caractérisé en ce que sur la bande textile (1) ou la nappe de fils (100), le liquide est appliqué selon le procédé humide sur humide, avec entre une première application par pulvérisation et une deuxième application par pulvérisation une différence qui représente environ 10% à 20% de la quantité de liquide totale à appliquer, de préférence une différence d'environ 15%.
  10. Procédé selon l'une des revendications 1 à 9,
    caractérisé en ce que le plan de rotation (30) des gouttelettes de liquide projetées par centrifugation est incliné par rapport au sens de défilement (19, 20, 21) de chaque section de parcours (10, 11, 12).
  11. Procédé selon la revendication 10,
    caractérisé en ce que l'angle d'inclinaison par rapport au sens de défilement de la section de bande textile est réglé à une valeur allant jusqu'à 10°.
  12. Procédé selon l'une des revendications 1 à 11,
    caractérisé en ce que dans une zone de traitement (15, 18), plusieurs disques rotatifs sont disposés côte à côte, en ligne, et des disques rotatifs directement voisins sont entraînés dans des sens de rotation identiques ou opposés.
  13. Procédé selon l'une des revendications 1 à 12,
    caractérisé en ce que le disque rotatif est entraîné dans une plage de vitesse de rotation d'environ 1500 t/min à environ 2900 t/min, et en ce que pour le liquide amené au centre du disque rotatif est réglé un débit d'environ 2,0 cm3/s à environ 17 cm3/s.
  14. Procédé selon l'une des revendications 1 à 13,
    caractérisé en ce que la vitesse de rotation du disque rotatif (13, 16) est réglée.
  15. Procédé selon la revendication 14,
    caractérisé en ce que la vitesse de rotation du disque rotatif (13, 16) est réglée en fonction de la viscosité du liquide amené.
  16. Procédé selon la revendication 14 ou 15,
    caractérisé en ce que la vitesse du disque rotatif (13, 16) est réglée en fonction du débit volumique du liquide amené jusqu'au disque rotatif (13, 16).
  17. Procédé selon l'une des revendications 1 à 16,
    caractérisé en ce que le disque rotatif (13) est doté d'un rebord montant (35), et dans ce rebord (35) sont formées des rainures (38) qui s'étendent à peu près radialement du plan du disque rotatif (13) jusqu'au bord supérieur (37) du rebord.
  18. Procédé selon la revendication 17,
    caractérisé en ce que les rainures (38) sont disposées de manière à se succéder de manière continue dans le sens circonférentiel.
  19. Procédé selon l'une des revendications 1 à 18,
    caractérisé en ce que le liquide est un colorant réactif et le temps de fixage est choisi grâce au réglage de la température de produit et au réglage de la proportion de produit chimique de fixage.
  20. Procédé selon la revendication 1,
    caractérisé en ce que le liquide est une solution colorante, de préférence une solution colorante avec en particulier de l'indigo pré-réduit, et la solution colorante est pulvérisée sur la nappe de fils (100) et est soumise à une oxydation grâce à un passage à l'air.
  21. Procédé selon la revendication 20,
    caractérisé en ce que l'oxydation grâce à un passage à l'air est réalisée de préférence dans une chambre de traitement (40) avec une durée de 90 à 180 secondes, en particulier 100 à 160 secondes.
EP14739033.0A 2013-06-21 2014-06-20 Procédé de dépôt contrôlé d'un bain de teinture sur un fil, un assemblage de fils ou une bande textile Active EP3011098B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013010351.7A DE102013010351A1 (de) 2013-06-21 2013-06-21 Verfahren zum gesteuerten Aufbringen einer Farbflotte auf ein Garn, eine Garnschar oder eine Textilbahn
PCT/EP2014/001677 WO2014202223A2 (fr) 2013-06-21 2014-06-20 Procédé de dépôt contrôlé d'un bain de teinture sur un fil, un assemblage de fils ou une bande textile

Publications (2)

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EP3011098A2 EP3011098A2 (fr) 2016-04-27
EP3011098B1 true EP3011098B1 (fr) 2018-01-17

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EP14739033.0A Active EP3011098B1 (fr) 2013-06-21 2014-06-20 Procédé de dépôt contrôlé d'un bain de teinture sur un fil, un assemblage de fils ou une bande textile

Country Status (3)

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EP (1) EP3011098B1 (fr)
DE (1) DE102013010351A1 (fr)
WO (1) WO2014202223A2 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU53749A1 (fr) * 1966-06-03 1967-07-25
FR2104711A1 (en) * 1970-08-17 1972-04-21 Chaussee Romaine Teintur Dyeing textile yarns - by feeding serially through a spray dyeing device
CH564982A (fr) * 1972-08-07 1975-08-15
CH612229A5 (en) * 1977-04-14 1979-07-13 Ici Ltd Device for the continuous coating of a sheet material or web material continuously passing through said device
EP0022333B1 (fr) * 1979-07-05 1984-07-04 SIR JAMES FARMER NORTON & CO. LIMITED Application de liquides à des matières textiles
DE2932124A1 (de) * 1979-08-08 1981-02-26 Hoechst Ag Verfahren und vorrichtung zum auftragen von praeparationen auf warenbahnen
DE3539391C2 (de) * 1984-12-19 1996-05-09 Sucker & Franz Mueller Gmbh Verfahren zum Schlichten einer Kettfadenschar
DE3518149A1 (de) * 1985-05-21 1986-11-27 Hoechst Ag, 6230 Frankfurt Zweiphasen-daempfverfahren zur fixierung von drucken mit reaktivfarbstoffen auf keratinfasern
FR2693486B1 (fr) * 1992-07-08 1994-09-02 Superba Sa Procédé et machine pour teindre en continu des fils textiles.
FR2739880B1 (fr) * 1995-10-13 1997-12-05 Superba Sa Procede de teinture en continu de fils, en particulier a base de fibres cellulosiques avec des colorants reactifs, et dispositif pour la mise en oeuvre de ce procede
US5795391A (en) * 1996-03-21 1998-08-18 Consultex Corporation Method and apparatus for application of fluent material to a moving substrate
BRPI1102063A2 (pt) 2011-05-27 2012-08-21 Urban Mecatrenica Ltda Epp equipamento para aplicação de tinturas de pigmentos, corantes e outros produtos quìmicos em materiais têxteis e processo para aplicação de tinturas de pigmentos, corantes e outros produtos quìmicos em materiais têxteis

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WO2014202223A2 (fr) 2014-12-24
WO2014202223A3 (fr) 2015-03-12
EP3011098A2 (fr) 2016-04-27
DE102013010351A1 (de) 2014-12-24

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