EP0237893B1 - Verfahren zur Flüssigkeitsbehandlung von Textilmaterial - Google Patents

Verfahren zur Flüssigkeitsbehandlung von Textilmaterial Download PDF

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Publication number
EP0237893B1
EP0237893B1 EP87103274A EP87103274A EP0237893B1 EP 0237893 B1 EP0237893 B1 EP 0237893B1 EP 87103274 A EP87103274 A EP 87103274A EP 87103274 A EP87103274 A EP 87103274A EP 0237893 B1 EP0237893 B1 EP 0237893B1
Authority
EP
European Patent Office
Prior art keywords
liquid
predetermined temperature
gas
temperature
treatment
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
EP87103274A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0237893A1 (de
Inventor
Berthold Dipl.-Ing.(Fh) Magin
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.)
MTM Obermaier GmbH and Co KG
Original Assignee
MTM Obermaier GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MTM Obermaier GmbH and Co KG filed Critical MTM Obermaier GmbH and Co KG
Priority to AT87103274T priority Critical patent/ATE50806T1/de
Publication of EP0237893A1 publication Critical patent/EP0237893A1/de
Application granted granted Critical
Publication of EP0237893B1 publication Critical patent/EP0237893B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D06B3/24—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics in roped form
    • D06B3/26—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics in roped form in superimposed, i.e. stack-packed, form
    • 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
    • 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
    • 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
    • D06B3/20—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics with means to improve the circulation of the treating material on the surface of the fabric
    • D06B3/205—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics with means to improve the circulation of the treating material on the surface of the fabric by vibrating
    • D06B3/208—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics with means to improve the circulation of the treating material on the surface of the fabric by vibrating the treating material

Definitions

  • the invention relates to a method for liquid treatment, in particular for cleaning, bleaching, pickling, dyeing, fixing and the like of textile material, according to the preamble of claim 1.
  • Bleaching is the decolorization of materials, especially through oxidation or reduction.
  • the chemicals used and the process engineering must be carefully coordinated with the respective materials. Since many chemicals e.g. decompose quickly when heated, stabilizers are required to slow the decay. However, these stabilizers make bleaching more expensive and complicated.
  • Dyeing is generally used to denote the process by which an undyed or achromatic fabric is given a color or a colored fabric is given another color.
  • the dye goes through adsorption on the surface, through diffusion, through formation on or in the fiber or through chemical bonding to the material.
  • the treatment takes place predominantly in aqueous solutions or in suspensions of dyes with the addition of dyeing aids, such as wetting agents, salts, alkalis, acids, etc.
  • the goods are either moved in the resting liquor or the liquor flows through the goods.
  • Foam dyeing is well known, although not very common.
  • bubbles are created in the liquor by adding foaming agents, with the aid of which special dyes, the molecules of which have both hydrophilic and hydrophobic ends, are transferred to the material to be dyed.
  • the aim of all dyeing processes is to produce a connection between the dyes and the material to be dyed with as little effort as possible, the strength and resistance of which are decisive for the degree of authenticity of the dyeing.
  • the processes involved are partly chemical and partly physical.
  • capillary-active fibers the best known of which are wool and cotton, although synthetic fibers are not excluded, the physical processes based on the capillary and osmotic forces clearly outweigh them.
  • the bleaching and dyeing processes are largely time and energy intensive.
  • the fleet and / or the material must be moved evenly.
  • the temperature can now be brought to the correct values, with a temperature increase to or above 100 degrees C being often prescribed during the process.
  • DE-A 2 714 802 discloses a dyeing process for textile goods consisting of natural fibers or plastic fibers or their mixtures, in which the dyeing is carried out under reduced pressure.
  • the temperature of the liquid is kept at the boiling point for about 10 minutes, taking into account the prevailing negative pressure. Then the pressure and temperature are quickly increased and the textile material is finally dyed in the conventional process.
  • This known method is said to result in more intensive coloring with a shorter treatment time and reduced energy expenditure.
  • This is essentially attributed to the fact that a large part of the air, which usually prevents the wetting of the textile material with liquid, is sucked off by the vacuum.
  • the treatment is gentle because of the reduced temperatures and the shortened duration. Better use of the dyes was also observed.
  • dyes that are sensitive to certain gas components in the air can also be processed more easily.
  • EP-B 22 572 Another method for treating textile materials under reduced pressure is known from EP-B 22 572.
  • the liquid is moved essentially exclusively by local partial evaporation as a result of a controlled reduction in pressure in the treatment tank, and is thereby brought into effect on the material.
  • the entire dyeing process is carried out under vacuum; dyeing under normal pressure or pumping around the liquid is not intended.
  • As the liquid cools down during the constant partial evaporation it is continuously reheated. This reheating should preferably be carried out by introducing steam directly.
  • the vapor bubbles entering the liquid relax explosively.
  • the liquid is brought into a pulsating movement; however, these explosions are so severe that sensitive materials, such as spooled yarn, can be destroyed.
  • the liquid is heated by the supplied steam, which increases the evaporation and the vacuum breaks down.
  • the steam introduced should therefore also use condensation to lower the tank pressure, which increases as a result of the evaporation of coloring liquid.
  • Another disadvantage is that technical steam is regularly contaminated, especially with iron. Many dyes, especially the indant dyes, are adversely affected or even destroyed by steam. The known method is therefore only really useful for a relatively small number of dyes.
  • a major disadvantage is that the steam supplied condenses at least partially into water, so that the treatment liquid is diluted. However, this extends treatment times and worsens the results.
  • the present invention has for its object to provide a method of the type mentioned, which is fast, energy-saving and inexpensive, in which the goods are treated even more gently and which allows a particularly simple and effective control of the process conditions.
  • a last advantage of the method according to the invention is due to the large difference between the predetermined temperature of the liquid on the one hand and the saturation vapor temperature corresponding to the lowered container pressure on the other hand.
  • this temperature difference only in connection with the molecules of the introduced gas acting as vapor formation centers leads to the liquid boiling violently.
  • This cooking effect can be controlled in the simplest way by regulating the amount of gas.
  • the predetermined temperature of the liquid is 60 to 70 degrees C and the saturation vapor temperature is at least 5 degrees C lower than the predetermined temperature.
  • cotton can be dyed particularly quickly.
  • the vacuum required here is also in areas that can be generated with inexpensive vacuum pumps.
  • the greatest possible temperature differences are to be achieved in order to obtain the most intense and long-lasting cooking effect, on the other hand, of course, the capacity of the vacuum pumps and in particular the properties of the material to be treated must be taken into account. In particular, taking into account the latter arguments, it is advisable to apply the vacuum at intervals and to heat the liquid again to the predetermined temperature during the breaks.
  • the material can be continuously dipped out of the liquid and immersed in it again.
  • the liquid hanging on the material evaporates due to the prevailing negative pressure; at the same time, however, the material remains in the gas cushion built up above the liquid level, the properties of which are adapted accordingly.
  • Air is suitable as the gas to be used.
  • Air consists largely of nitrogen, which has a neutral effect, and oxygen, which has an oxidizing effect.
  • nitrogen or oxygen can also be used in pure form. It is also possible to use reducing gases, for example chlorine. It is important that the gas introduced into the liquid fulfills the conditions mentioned, i.e. does not condense or react chemically, since otherwise its molecules are no longer available as vapor formation centers and does not cause any dilution of the treatment liquid, since such a reduction in the chemical concentration to one Worsening treatment outcomes would result.
  • FIG. 1 shows a closed, vacuum-tight treatment vessel 1, in particular for dyeing yarn packages, which are symbolized by a single yarn package 16.
  • the treatment vessel is partially filled with liquid in which color chemicals are dissolved.
  • a pipe 2 leads from the cover of the treatment vessel 1 to a liquid separator 3.
  • a valve 15 establishes a connection between the treatment vessel 1 and the surrounding atmosphere.
  • a valve 2 'establishes a connection between the pipeline 2 and the liquid separator 3.
  • a line 8 with a valve 8 inserted leads to a circulating pump 12 or into the treatment vessel 1. Via line 8, liquid that collects in the liquid separator 3 is returned to the treatment vessel 1.
  • a pipe 6 leads from the liquid separator 3 to an intermediate vessel 9, to which a vacuum is drawn pump 11 is connected. Liquid that collects in the intermediate vessel 9 can be discharged via a drain valve 10.
  • a drain valve 14 serves to empty the treatment vessel 1.
  • the yarns 16 are treated as follows. After inserting the yarns 16 and closing the treatment vessel 1, the liquid is filled in until the yarns 16 are covered. The valves 4, 8 ', 10, 13, 14 and 15 are closed. The liquid in the treatment vessel 1 is at a temperature of, for example, 70 degrees C. With the help of the vacuum pump 11, the intermediate vessel 9, the liquid separator 3 and the treatment vessel 1 are evacuated. One of the valves 2 ', 6' or 5 can also be closed. The pressure in the intermediate vessel 9 is reduced to, for example, 0.1 bar absolute. This corresponds to a water boiling temperature of approx. 45 degrees C.
  • the valve 13 is opened at the same time and the gas is introduced, which preferably bubbles through the yarn packages 16 from the inside to the outside.
  • the liquid begins to boil violently.
  • the gas for example air, and the temperature differences, the entire volume of liquid changes into a fine-pored foam which influences the chemicals dissolved in the liquid in such a way that they preferentially settle on the fibers of the yarns 16.
  • the dyes are absorbed very quickly.
  • the connection to the vacuum pump 11 is blocked, for example, by closing the valve 2 '.
  • the gas valve 13 is closed and the circulation pump 12 is switched on.
  • the temperature of the liquid is increased again and at the same time the liquid is pressed through the yarn packages 16, as in the conventional dyeing processes. If the pressure in the intermediate vessel 9 has risen because the vacuum pump 11 has only a small capacity, the vacuum is also built up again.
  • Vacuum treatment section and intermediate treatment section are repeated alternately until the desired treatment result is achieved.
  • the gases supplied through the valve 13 are those which do not condense appreciably under the process conditions and also do not cause any dilution of the treatment liquid, but rather their molecules act as vapor formation centers in the treatment liquid.
  • FIG. 2 shows a device for treating longer textile webs.
  • a treatment vessel 22 which is partially filled with liquid there is a basket 23 which receives a part of the material web 40.
  • This is continuously guided in a circle by means of a driven deflection roller 24 and a reel 30 with an elliptical cross section. As a result, it is partly below, partly above the liquid.
  • the opening for inserting and removing the web 40 can be closed with a lid 25 in a vacuum-tight manner.
  • a vacuum pump (not shown) is connected to the vacuum valve 29 of the liquid separator 28.
  • a vacuum intermediate vessel is not absolutely necessary here because the free space in the treatment vessel 22 is very large.
  • the other valves are closed.
  • the liquid is again heated to a temperature of, for example, 70 degrees C.
  • the pressure in the vessel 22 is again reduced so much that the liquid boils strongly.
  • gas is introduced into the liquid at several points, whereupon a fine-pored foam is formed.
  • valve 29 to the vacuum pump can be closed.
  • the introduced gas then collects above the liquid in the treatment vessel 22.
  • the vacuum treatment section stops automatically when the negative pressure has risen so far that the boiling point of the liquid has been reached. Now this gas can be sucked off via one of the valves 26, 27 and either reused or safely removed. It does not get into the vacuum pump.
  • the part of the web 40 which is outside the liquid is slightly dried due to the negative pressure prevailing there, as a result of which the chemicals are deposited particularly quickly in the fabric. Nevertheless, this part of the web is also under a gas cushion. If it is a reactive gas, for example oxygen, the chemical reactions continue. If it is a neutral gas, such as nitrogen, undesirable chemical reactions are prevented.
  • a reactive gas for example oxygen
  • a neutral gas such as nitrogen
  • an intermediate treatment section follows a vacuum treatment section, in the course of which the liquid is circulated via an open valve 37 and an open valve 33 with the aid of a circulation pump (not shown).
  • the liquid is heated, either via a built-in treatment tank 22 Heating coil 21 or via an external heat exchanger
  • the heating of the liquid by directly introduced steam should be avoided because of the disadvantages already described.
  • Liquid that collects in the liquid separator 28 is returned to the treatment vessel 22 via a valve 31 as soon as the level switch 39 is actuated.
  • further liquid for example with fresh chemicals, can be introduced into the treatment vessel 22 via a valve 36.
  • a valve 34 serves as an overflow valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coloring (AREA)
EP87103274A 1986-03-15 1987-03-07 Verfahren zur Flüssigkeitsbehandlung von Textilmaterial Expired - Lifetime EP0237893B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103274T ATE50806T1 (de) 1986-03-15 1987-03-07 Verfahren zur fluessigkeitsbehandlung von textilmaterial.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863608742 DE3608742A1 (de) 1986-03-15 1986-03-15 Verfahren zum faerben von tier-, pflanzen- oder kunststoffasern
DE3608742 1986-03-15

Publications (2)

Publication Number Publication Date
EP0237893A1 EP0237893A1 (de) 1987-09-23
EP0237893B1 true EP0237893B1 (de) 1990-03-07

Family

ID=6296474

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103274A Expired - Lifetime EP0237893B1 (de) 1986-03-15 1987-03-07 Verfahren zur Flüssigkeitsbehandlung von Textilmaterial

Country Status (9)

Country Link
US (1) US4928338A (pt)
EP (1) EP0237893B1 (pt)
JP (1) JPS62223365A (pt)
AR (1) AR240071A1 (pt)
AT (1) ATE50806T1 (pt)
BR (1) BR8701163A (pt)
DE (2) DE3608742A1 (pt)
DK (1) DK119587A (pt)
ES (1) ES2014003B3 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59009144D1 (de) * 1989-09-13 1995-06-29 Schweizerische Viscose Vorrichtung zum entwässern von garnen.
CH690332A5 (de) * 1994-10-14 2000-07-31 Kuesters Eduard Maschf Verfahren und Vorrichtung zum Behandeln einer Warenbahn mit Vakuum.
JP2710247B2 (ja) * 1995-04-28 1998-02-10 株式会社日阪製作所 ロープ状繊維製品の気流式処理装置
CN1080785C (zh) * 1999-03-04 2002-03-13 崔铁汉 真空蚕丝织物精炼机
DE102004013338A1 (de) * 2004-03-17 2005-10-06 Uhde High Pressure Technologies Gmbh Verfahren zur Suspendierung und Einspeisung von Feststoffen in einen Hochdruckprozeß
JP4628804B2 (ja) * 2005-01-25 2011-02-09 ゼン・マシーネン・（ビー・ブイ・アイ）・リミテッド 紐状の繊維製品を洗浄する方法および装置
DE102008028350A1 (de) * 2008-06-13 2009-12-17 BETZ, Günter Vorrichtung zum Tränken von Fasermaterial mit einer Flüssigkeit
CN103510314B (zh) * 2012-07-20 2016-06-08 江苏伊思达纺织有限公司 一种筒子纱半浸染抽吸段染装置及方法
CN103510309B (zh) * 2012-07-20 2016-02-17 江苏伊思达纺织有限公司 一种经轴纱半浸染抽吸段染装置及方法
CN103031682B (zh) * 2012-12-27 2014-11-26 紫罗兰家纺科技股份有限公司 一种负压闪爆工艺处理技术和设备
USD771723S1 (en) * 2015-05-20 2016-11-15 Chi-Lung Chang Dyeing machine
USD771722S1 (en) * 2015-05-20 2016-11-15 Chi-Lung Chang Dyeing machine
USD771721S1 (en) * 2015-05-20 2016-11-15 Chi-Lung Chang Dyeing machine
CN110980624B (zh) * 2019-12-27 2021-08-24 南京幸庄科技创新产业园管理有限公司 一种染色助剂的减压装置
IT202100010871A1 (it) * 2021-04-29 2022-10-29 Master Srl Impianto per la tintura ecosostenibile, con indaco e altri coloranti a riduzione, di filati avvolti in rocche e confezioni similari, fibre tessili in fiocco e manufatti vari

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1067236A (fr) * 1952-11-28 1954-06-14 Procédé de teinture ou autre traitement humide et appareillage pour sa mise en oeuvre
US3145555A (en) * 1959-07-24 1964-08-25 Krantz Hubert Closed apparatus for the wet treatment and particularly dyeing of textiles with liquor heated to above 100 u deg. c.
GB962363A (en) * 1962-06-20 1964-07-01 Sanderson & Company Textile En Improvements in or relating to vacuum treatment processes for textile materials
US3418065A (en) * 1965-10-04 1968-12-24 United Piece Dye Works Method for high temperature dyeing
SE308497C (sv) * 1967-12-13 1972-05-08 Svensson Ludvig Ab Förfarande och anordning för vätskebehandling, exempelvis tvättning, blekning, färgning och dylikt av textilgods
US3631691A (en) * 1968-05-31 1972-01-04 Friedrich W J Karrer Apparatus for liquid-treating fiber materials and drying said materials
AT325570B (de) * 1968-07-23 1975-10-27 Burlington Industries Inc Vorrichtung zum nassbehandeln, insbesondere zum farben, von textilem material
US3775055A (en) * 1971-01-25 1973-11-27 Burlington Industries Inc Process for treating textile materials
DE2215297B2 (de) * 1972-03-29 1976-11-11 Hoechst Ag, 6000 Frankfurt Verfahren zur diskontinuierlichen fixierung von heissfixierbaren farbstoffen auf ein flaechengebilde aus texturierten synthetischen fasern
US3871821A (en) * 1972-10-12 1975-03-18 Dow Chemical Co Package dye process
US3974534A (en) * 1973-01-18 1976-08-17 Burlington Industries, Inc. Process for vacuum treatment of textile materials
DE2359974A1 (de) * 1973-12-01 1975-06-12 Thies Kg Verfahren und vorrichtung zur diskontinuierlichen behandlung von textilen wickelkoerpern in extrem kurzen flottenverhaeltnissen
GB1488862A (en) * 1975-01-15 1977-10-12 Ici Ltd Process for dyeing cellulose textile materials of a densely packed or tightly woven nature
PT65246B (en) * 1976-06-21 1977-12-05 Termec Equipamentos Termicos D Process for dyeing textiles
WO1981000266A1 (en) * 1979-07-11 1981-02-05 Karrer System Ag Method and plant for the processing of fiber materials by means of liquids
JPS58149372A (ja) * 1982-02-23 1983-09-05 皆川　基 あわ洗たく方法
US4427409A (en) * 1982-06-14 1984-01-24 United Merchants And Manufactures, Inc. Method for preparation of fabrics

Also Published As

Publication number Publication date
DK119587A (da) 1987-09-16
DE3761828D1 (de) 1990-04-12
EP0237893A1 (de) 1987-09-23
ATE50806T1 (de) 1990-03-15
BR8701163A (pt) 1988-01-12
US4928338A (en) 1990-05-29
JPS62223365A (ja) 1987-10-01
ES2014003B3 (es) 1990-06-16
AR240071A1 (es) 1990-01-31
DK119587D0 (da) 1987-03-06
DE3608742A1 (de) 1987-09-17

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