EP0065158B1 - Verfahren und Vorrichtung zum Auswaschen von Lauge aus bahnförmigem Textilgut - Google Patents

Verfahren und Vorrichtung zum Auswaschen von Lauge aus bahnförmigem Textilgut Download PDF

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Publication number
EP0065158B1
EP0065158B1 EP82103715A EP82103715A EP0065158B1 EP 0065158 B1 EP0065158 B1 EP 0065158B1 EP 82103715 A EP82103715 A EP 82103715A EP 82103715 A EP82103715 A EP 82103715A EP 0065158 B1 EP0065158 B1 EP 0065158B1
Authority
EP
European Patent Office
Prior art keywords
liquor
washing tank
fresh water
sheet
lye
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
Application number
EP82103715A
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German (de)
English (en)
French (fr)
Other versions
EP0065158A1 (de
Inventor
Rainer Goller
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.)
Maschinenfabrik Max Goller
Original Assignee
Maschinenfabrik Max Goller
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
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Application filed by Maschinenfabrik Max Goller filed Critical Maschinenfabrik Max Goller
Publication of EP0065158A1 publication Critical patent/EP0065158A1/de
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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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
    • D06B1/145—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller the treating material being kept in the trough formed between two or more rollers
    • D06B1/146—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller the treating material being kept in the trough formed between two or more rollers where the textile material is first passed in a nip before it comes into contact with the treating material
    • 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
    • D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines

Definitions

  • the invention relates to a method and a device for washing out lye from sheet-like textile material, a liquor being fed countercurrent to the direction of transport of the sheet-like material and the sheet-like material being passed through pairs of rollers and a liquor supply in such a way that the sheet-like material is repeated in sections of a washing container Immerse the material in the liquor, squeeze it in a nip and then immediately soak it with the liquor.
  • DE-U-1 893 511 already describes a method and a device for washing out lye from sheet-like textile material by means of a washing container which is divided into sections by overflow plates and into which several guide rollers for the textile material are immersed one after the other in the guide direction of the web material, for each section at least one guide roller.
  • the wash container liquor is pumped around in each section and fed back to the section in question from above the guide roller.
  • two spaced guide rollers are immersed in the wash tank fleet in each section.
  • the textile material In front of and behind these guide rolls, the textile material is guided vertically over further, higher arranged guide rolls.
  • the fleet is returned to the relevant section via essentially horizontally directed spray pipes which spray from the inside and outside against the vertical web sections.
  • the textile goods are passed through a pair of ironing rollers.
  • US-A-3 763 671 describes a method for washing out lye from sheet material with a washing container divided into sections by overflow plates, a guide roller being immersed in each section and being associated with a lay-on roller. Between two adjacent support rollers and the guide roller assigned to them, a receiving space is formed for the liquor that is supplied from above by spray pipes and pumped around in the circuit, but no liquor can accumulate therein, because all the rollers are designed as ribbed rollers, with the combs of adjacent rollers Stand gap. The fleet supplied from the top in the circuit therefore flows through the spaces between the ribs of the rollers. Also, owing to the fin rolls described, squeezing the web material in the nip is not possible and is also not intended. The spaces between the ribs and fin rollers serve only as storage spaces for the fleet.
  • DL-A-63 454 describes a process for washing out lye from sheet-like textile material, wherein fresh water is fed to a washing container divided into sections with guide rollers and lay-on rollers in countercurrent to the textile material, so that the concentration gradient between the liquor and the textile material remains essentially constant , whereby one regulates the fresh water supply to the washing tank.
  • the fresh water is supplied to the washing tank near its outlet in a regulated quantity and in a flow that is not divided.
  • this has the disadvantage that the control does not meet all accuracy requirements, because standard control devices in the range of volume flow to be controlled today do not work with sufficient accuracy.
  • the invention is therefore based on the object of proposing a method and a device for washing out lye from sheet-like textile goods of the type mentioned at the outset, which is distinguished by a particularly low consumption of fresh water combined with a good washing action.
  • the method according to the invention is characterized in that the liquor is pumped around in each section and fed in again from above the pair of rolls assigned to each section, specifically in the liquor supply formed between the pairs of rolls, in that the wash tank is given fresh water in countercurrent to the web-shaped one Well feeds in such a way that the concentration gradient between the liquor and the web-like material remains essentially constant and that an adjustable basic quantity of fresh water is fed to the wash container outlet, and a regulated partial quantity of fresh water is separated from it at a suitable point.
  • the invention is therefore particularly suitable for stabilizing mercerized textile goods and is characterized by low fresh water consumption with good washing action. Only the - relatively small - additional amount of fresh water has to be controlled, which can be done with great accuracy using control devices that are commercially available today. These measures therefore also contribute to the lowest possible consumption of fresh water, combined with the lowest possible amount of lye to be removed.
  • a first possibility is characterized in that the fresh water partial quantity is regulated as a function of the weak liquor obtained at the entrance.
  • a further possibility is characterized in that the fresh water partial quantity is regulated in dependence on the lye which is located on the web-like textile material at the exit.
  • the weak liquor at the inlet of the washing tank no longer falls in in a constant concentration.
  • the residual lye content on the textile is regulated.
  • Subsequent processes in the treatment of the textile goods can e.g. require that the residual alkali content of the textile goods be kept constant, because otherwise process engineering problems can arise.
  • this is done by continuously measuring the pH of the lye behind the washing container.
  • the pH of the lye can also be measured in one of the last sections of the washing container.
  • one makes use of the fact that a fixed relationship is established between the alkali and the textile goods in the washing liquor, whereby one can then measure the alkali content of the liquor in one of the last sections, which allows the back calculation to the alkali content of the textile goods.
  • the control quantity of fresh water is then applied depending on this measured value.
  • the device according to the invention for carrying out this method is characterized in that a plurality of guide rollers for the web-shaped textile material are immersed in the washing container, which is divided into sections by overflow plates, to which a front and rear lay-on roller is assigned in such a way that a fleet supply is formed between the rollers
  • Each section is assigned a suitable liquor circuit with circulation pump and spray pipe opening above the relevant guide roller, that a line is provided in the area of the outlet of the washing tank for the supply of an adjustable basic amount of fresh water, that in the area of the inlet of the washing tank there is a line for this Wash liquor to be withdrawn from the wash tank opens and that a further line is provided, via which a controlled amount of fresh water can be fed to the wash tank. Protection without the features of the process claims is also claimed for these measures.
  • FIG. 1 schematically shows a washing container 1 which is open at the top and through which web-like textile material to be stabilized is guided from an entrance 2 in the direction of arrow 3 to an outlet 4.
  • the washing container is divided into sections 6 in the transverse direction by overflow plates 5 - see also FIG. 2.
  • a guide roller 7 dips into the fleet.
  • a support roller 8 on it. All rollers have a smooth circumference and are preferably provided with a rubber coating.
  • FIG. 3 shows that a receiving space for the fleet is therefore formed in the space between the guide roller 7 and the two support rollers 8 assigned to it.
  • An immersion plate can be provided in front of each guide roller and in front of each overflow plate (see FIG. 2), which plunges into the fleet and which protrudes upwards from the fleet to a noticeable extent.
  • the immersion plate is slightly inclined towards its guide roller 7.
  • FIG. 3 shows that the textile fabric web passed through the device is squeezed in the nips between the lower guide roller and the two upper lay-on rollers resting on it. After leaving the rear pinch gaps, the web immediately sucks up with the liquor, which is pumped out of this section in a separate circuit and fed back to this reservoir via a spray tube 12.
  • the spray tube is thus located directly above the reservoir mentioned, as can be seen in FIG. 3.
  • the circuit for the fleet is each completed by a line 10, via which the water is pumped around with the aid of a pump 11 and possibly an adjustable throttle.
  • the control scheme according to FIG. 4 shows that a basic amount of fresh water is supplied to the outlet 4 of the washing container 1 via a manual setting 13 in the direction of the arrow 14. A controlled portion of the fresh water is guided in the direction of arrow 15 to the washing tank via a control valve 16 and an inlet pipe 17.
  • control valve 16 is acted upon in a control circuit 18 by a measuring sensor 19, which measures the amount of weak liquor produced in the direction of arrow 20 and drawn off from the washing container 1.
  • the regulated subset becomes the washing container 1 approximately fed in the front third of the washing container via the inlet pipe 10.
  • the regulated fresh water partial quantity can, however, also be regulated depending on the alkali which is located on the web-shaped textile material at the exit, i.e. approximately at the height of arrow 4 of FIG. 4.
  • the pH of the lye behind the washing container can then be measured continuously or in one of the last sections of the washing container.
  • the inlet 17 for the regulated fresh water portion is preferably in the last third of the washing tank 1. It is important for this that the distance between the measuring point and the control point is kept as short as possible due to the inertia of the control. This also applies to the control according to FIG. 4, where the feed pipe, as mentioned, is preferably located above the front third of the washing container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP82103715A 1981-05-19 1982-04-30 Verfahren und Vorrichtung zum Auswaschen von Lauge aus bahnförmigem Textilgut Expired EP0065158B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3119869A DE3119869C2 (de) 1981-05-19 1981-05-19 Verfahren zum Auswaschen von Lauge aus bahnförmigem Textilgut, insbesondere zum Stabilisieren von mercerisierter, textiler Ware
DE3119869 1981-05-19

Publications (2)

Publication Number Publication Date
EP0065158A1 EP0065158A1 (de) 1982-11-24
EP0065158B1 true EP0065158B1 (de) 1985-04-10

Family

ID=6132684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82103715A Expired EP0065158B1 (de) 1981-05-19 1982-04-30 Verfahren und Vorrichtung zum Auswaschen von Lauge aus bahnförmigem Textilgut

Country Status (3)

Country Link
EP (1) EP0065158B1 (enrdf_load_stackoverflow)
JP (1) JPS57193567A (enrdf_load_stackoverflow)
DE (2) DE3119869C2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3534513C2 (de) * 1985-09-27 1995-04-27 Inst Textil & Faserforschung Vorrichtung zum Mercerisieren von textilen Warenbahnen
GB2226574B (en) * 1988-12-22 1992-09-09 Steinerco Washing apparatus
US5321864A (en) * 1990-02-26 1994-06-21 Eduard Kusters Maschinenfabrik Gmbh & Co. Kg Continuous method and installation for bleaching a textile fabric web

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959200A (en) * 1960-09-15 1964-05-27 Nat Res Dev Improvements relating to the laundering of textile articles
DE1460362A1 (de) * 1965-09-10 1969-02-13 Artos Meier Windhorst Kg Verfahren und Vorrichtung zum kontinuierlichen Stoffaustausch zwischen Fluessigkeiten und laufenden Bahnen
DE2005350B2 (de) * 1970-02-06 1980-06-19 Kleinewefers Gmbh, 4150 Krefeld Vorrichtung zur kontinuierlichen Behandlung von breitgeführten Textilbahnen, vorzugsweise elastischer Qualität
DE2200312C3 (de) * 1972-01-05 1978-05-11 Karl Menzel Maschinenfabrik, 4800 Bielefeld Vorrichtung zum Waschen von textlien Warenbahnen
DE2444123A1 (de) * 1974-09-14 1976-03-25 Vepa Ag Vorrichtung zum nassbehandeln von spannungslos gefuehrtem gut
DE2820471C2 (de) * 1978-05-10 1986-06-05 Karl Menzel Maschinenfabrik GmbH & Co, 4800 Bielefeld Verfahren und Vorrichtung zum kontinuierlichen Naßbehandeln von strangförmigem Textilgut

Also Published As

Publication number Publication date
DE3262948D1 (en) 1985-05-15
EP0065158A1 (de) 1982-11-24
DE3119869C2 (de) 1983-10-13
JPS57193567A (en) 1982-11-27
DE3119869A1 (de) 1982-12-23
JPS641580B2 (enrdf_load_stackoverflow) 1989-01-12

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