EP0633960B1 - Verfahren zum waschen einer textilen warenbahn und entsprechende breitwaschmaschine - Google Patents

Verfahren zum waschen einer textilen warenbahn und entsprechende breitwaschmaschine Download PDF

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Publication number
EP0633960B1
EP0633960B1 EP93907772A EP93907772A EP0633960B1 EP 0633960 B1 EP0633960 B1 EP 0633960B1 EP 93907772 A EP93907772 A EP 93907772A EP 93907772 A EP93907772 A EP 93907772A EP 0633960 B1 EP0633960 B1 EP 0633960B1
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EP
European Patent Office
Prior art keywords
web
washing machine
full
machine according
steam
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
EP93907772A
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German (de)
English (en)
French (fr)
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EP0633960A1 (de
Inventor
Helmut Beckstein
Hans Bors
Bernhard Brendel
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.)
Eduard Kuesters Maschinenfabrik GmbH and Co KG
Original Assignee
Eduard Kuesters Maschinenfabrik GmbH and Co KG
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Publication of EP0633960A1 publication Critical patent/EP0633960A1/de
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Publication of EP0633960B1 publication Critical patent/EP0633960B1/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
    • 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
    • D06B5/08—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length through fabrics

Definitions

  • the invention relates to a method for washing a textile web according to the preamble of claim 1 and a wide-width washing machine according to the preamble of claim 2.
  • the invention has for its object to achieve an improved washing effect in a generic method and such a wide washing machine.
  • An essential point of the present invention is that steam is injected into the web on one side and is drawn off in the vicinity of the injection area on the other side, together with the residues remaining in the web, under the effect of a strong negative pressure. It has been shown that only the blowing up of the steam under significant overpressure with practically simultaneous suction from the other side under a vacuum of at least 0.2 bar results in a substantial increase in the washing effect.
  • the negative pressure should therefore not only be sufficient to achieve a mere removal of the medium that has passed through the material web, but should also result in a vigorous flow through the material web, so that the residues just hit by the inflated steam are, as it were, torn out of the web in this state.
  • the expression "in the neighborhood" for the mutual position of the outlet opening and the inlet opening is intended to mean that the application of the steam on one side of the web and the suction from the other side are not at a greater distance from one another in the conveying direction and at a corresponding time Distance should take place, but in one go. Even if it is not imperative that the outlet opening and the inlet opening lie exactly opposite one another, and also not that both with their boundaries bear against the web under pressure (although this is the preferred embodiment), the distances between the openings should occur or their limits in the conveying direction of the web and perpendicular to the web surface are of the order of magnitude of the openings in the conveying direction, that is to say in practice are in the order of millimeters or at most a few centimeters. This close “neighborhood” makes it possible to maintain the pressures required on the pressure side and the suction side to achieve the washing effect, without having to use excessively dimensioned pressure and suction pumps.
  • the residues consist of organic treatment agents or auxiliaries or comprise agents which have considerable molecular sizes.
  • the idea is that these large molecules are stimulated by the energy supply until they are broken down or split up and removed by suction in the "neighborhood" in this more mobile state before they can come together again to form larger and less mobile units.
  • DE 31 03 359 A1 discloses a device for uniformly applying a small amount of a treatment agent in foam form to the surface of a web of a material to be treated, in which the foam is first applied from a foam application device to a sieve belt running above the web. The sieve belt then comes together with the web, with some of the foam held in the sieve belt already passing onto the web due to the mere contact. The web and the screen belt then pass through a pair of squeeze rollers. In order to support the transition, a pair of suction nozzles can be provided downstream of the pinch roller pair on the back of the web, the effect of which can in some cases be supported by a blowing nozzle arranged above the web of the suction nozzle.
  • DE 31 03 359 A1 is therefore concerned with the application and uniform distribution of a substance on the web, which should remain on or in the vicinity and exert its effect there and which should not be broken down or split and removed from the web should.
  • the cleaning-supporting effect of steam is also known per se from the usual steam cleaners, in which steam is sprayed from a nozzle onto carpets or upholstered furniture, for example.
  • the suction in one go from the other side with a strong negative pressure is missing here.
  • the adjustability is particularly advantageous in cooperation with a control and regulating device according to claim 13, which allows the washing process to be regulated as a function of goods-specific parameters, that is to say to design it automatically.
  • the control and regulating device can comprise several regulators assigned to the individual components of the machine; however, the combination of the essential or all control and regulating elements in a central control and regulating unit is preferred (claim 15).
  • this can relate in particular to the flow quantity and / or the flow pressure and what the extent of the openings in the conveying direction, ie the width the slit nozzles relates to be realized in the manner shown in claim 16.
  • a special control variable, which is characteristic of the washing effectiveness, is the concentration of the residues washed out of the material web in the extracted medium. This can be included in the regulation according to claim 18.
  • the concentration of the residues remaining on the material web can also be determined and the corresponding concentration value can be used for regulation (claim 19).
  • a gas in addition to the steam e.g. Air and / or a liquid, e.g. Injecting water into the web and sucking it back together with the steam on the other side (claim 20).
  • a textile web 1 is indicated, which is horizontally conveyed in the spread position and has a certain permeability, so that steam inflated onto the web 1 can pass through the web 1.
  • an injection device 10 with an outlet opening 10 ′ running across the width of the web, that is perpendicular to the plane of the drawing, is provided above the web 1.
  • the outlet opening 10 ' is delimited by a slot nozzle 40, the Expansion in the conveying direction 1 'of the web 1, ie the slot width 41 is adjustable.
  • a possible range for the slot width 41 is approximately 1 to 2 mm.
  • a suction device 20 with an inlet opening 20 ' is provided below the web 1, which is formed by a slot nozzle 50 with an adjustable slot width 51.
  • the extent of the outlet openings in the slot nozzles 40, 50 in the width direction of the web is adaptable to the width of the web 1, so that no losses in steam or suction power occur.
  • the slot widths 41 and 51 are the same and the slot nozzles 40, 50 lie exactly opposite one another.
  • the exit edges of the slot nozzles 40, 50 rest against the web 1 under slight pressure from both sides.
  • steam is generated under an overpressure of at least 0.2 bar, better still somewhat higher, e.g. in the range of 0.5 bar on the top of the web 1 and blown into it, which is indicated by the arrow I.
  • the medium which has passed through the web 1 i.e. a mixture of steam, water and the residues released from the material web 1 is drawn off with a vacuum of at least 0.2 bar, better still 0.5 bar, which is symbolized by the arrow A.
  • the slot nozzle 40 corresponds to that according to FIG. 1.
  • the web 1 lies against the nozzle edges.
  • the slot nozzle 50 'of the suction device 20 has an approximately twice the width 51' as the slot nozzle 40 and is offset with its lagging boundary by a distance 52 'in the conveying direction 1'.
  • the distance 52 ' is smaller than the width 41 of the slot nozzle 40, so that the slot nozzle 50' in the region 54 'is still partially below the slot nozzle 40, but it extends in the conveying direction 1 beyond this stretches so that in area 53, in addition to the steam remaining in the web, the condensate formed there and the residues to be removed, air is sucked through the web 1 from the outside.
  • the slot nozzle 50 "of the suction device 20 is approximately three times as wide as the slot nozzle 40 of the injection device 10 and is offset relative to the latter with its trailing edge by a distance 52" in the conveying direction 1 'which is greater than the width 41 of the slot nozzle 40. There is therefore no longer any overlap of the slot nozzles 40 and 50 ".
  • the embodiment of Fig. 3 differs from the two previous embodiments in that the edges of the slot nozzle 41 are located slightly above the web, i.e. maintain a certain distance from the web 1 perpendicular to its surface. Part of the steam blown in the direction of arrow I will therefore flow laterally parallel to the web and partially condense on it or, insofar as it passes through the slot nozzle 50 ", from the negative pressure prevailing there in the direction of arrow A into the web 1 - and are torn through them. However, the web 1 will always rest on the edges of the slot nozzles 50, 50 ', 50 ", since it is sucked in by the negative pressure prevailing there.
  • the outlet opening 10 'and the inlet opening 20' should always remain in the vicinity of one another, which should mean that the two should not be apart from one another by more than the size of a slot nozzle width.
  • Both the transfer amounts 54 'and 54 "as well the distance 42 should therefore be only a few millimeters or centimeters. It is therefore not intended to inject the steam in the direction of arrow I at one point and to suction in the direction of arrow A at a point, for example, one meter behind it. Rather, the steam is to be applied and injected into the web 1 and sucked off again immediately or practically immediately.
  • FIG. 4 corresponds to the embodiment of FIG. 1 with regard to the design and arrangement of outlet opening 10 'and inlet opening 20'.
  • the web 1 is guided between guide rollers 2 to 5, of which at least guide roller 5 is driven by a drive motor 6 the injection device 10 and the suction device 20.
  • the injection device 10 and the suction device 20 have an injection slot nozzle 11 and a suction slot nozzle 21, which are pressed against one another by means of pressing devices 12 and 22 with the interposition of the web 1.
  • the interior of the injection device 10 is only connected to the interior of the suction device 20 separately by the web 1.
  • the interior is essentially sealed off from the outside.
  • the injection slot nozzle 11 and the suction slot nozzle 21 each have an adjusting slide 13 or 23, which is adjustable via an adjusting motor 14 or 24.
  • the setting is carried out in such a way that the expansion of the slot nozzles 11, 21 in the conveying direction 1 ', that is to say the length L, over which the web 1 is clamped between the edges of the slot nozzles 11 and 21, can be adjusted and adapted if necessary.
  • the length of the slot nozzles 11, 21, that is to say their extension perpendicular to the conveying direction 1 ′ of the web 1 (that is to say perpendicular to the plane of the drawing), is adapted to the width of the web 1. You can do this using the slot nozzles 11,21 telescopically inserted and mutually displaceable elements.
  • the interior of the suction device 20 is connected to the suction side of a suction pump 25, which sucks the mixture which has passed through the web 1, compresses it and supplies it to a heat exchanger / condenser 26.
  • the condensate coming cooled from the heat exchanger 26 with the residues contained therein and removed from the web 1 is fed from a condensate pump 27 to a washing medium inlet line 33 via a valve 28.
  • the flow rate of the washing medium in the inlet line 33 is sensed via a flow sensor 32, the output signal of which is fed to a control device 7.
  • the pressure-side output of the condensate pump 27 is connected via a test flow valve 29 to a test device 30 which generates output signals which reflect the state of contamination of the condensate or its concentration of residues taken up.
  • the condensate examined is fed back to the inlet line, but can also be discarded since the amount of liquid still required for the examination is small.
  • the feedback valve 28 and the test flow valve 29 are controlled by the central control and regulating unit 7.
  • the inlet line 33 is connected to a fresh water supply via a fresh water valve 31 controlled by the central control and regulating unit 7 and leads through the heat exchanger 26, so that returned condensate mixed with fresh water can be heated in the heat exchanger 26.
  • the preheated liquid coming from the heat exchanger 26 is fed to a steam generator 19 which can be heated by means of a heater 18 controlled by the central control and regulating unit 7.
  • a waste water line 9 is provided, via which waste water can be discharged from the steam generator 19 via a valve 17 controlled by the central control and regulating unit 7.
  • the steam generator 19 delivers steam to the injection device 10 via a steam control valve 16 controlled by the central control and regulating unit 7.
  • a pump 8 controlled by the central control and regulating unit 7 is provided in order to recirculate the condensate bypassing the steam generator 19 directly to the steam to mix behind the valve. If necessary, another washing liquid or fresh water can also be added here. In this way, the steam can be influenced in its degree of saturation.
  • the admixture is again regulated by the central control and regulating unit 7.
  • a gas, in particular air is provided for the steam. This is particularly advantageous if, owing to the given conditions on the web 1, large flow quantities per unit of time are necessary.
  • the central control and regulating unit 7 works here in such a way that the entire washing process is regulated and controlled in accordance with product-specific data that can be input via an input device 34 and treatment-specific data such as the conveying speed.
  • the washing process is monitored in accordance with the output signals of the test device 30 via a display device 35.
  • the conveying speed and the flow rate of the returned condensate through the flow rate sensor 32 and the test device 30.
  • the higher-level control loop includes the test device 30. It Not only the steam throughput, but also the length L of the "treatment section” and optionally (in the case of embodiments according to FIGS. 2 and 3) the lengths of the offset sections 54 ', 54 "can be set via the central control and regulating unit 7 such that An important point is that the washing effect is brought about by the action of the steam without the application of additional chemicals.
  • the concentration of the residual substances remaining on the web 1 after the extraction can also be determined in a residual chemical measuring device 36, which is arranged behind the suction device 20 in the conveying direction 1 'and shown in FIG. 4 is indicated by dash-dotted lines.
  • the measurement signal is fed to the central control and regulating unit 7 via the signal line 37 and used for regulation.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP93907772A 1992-04-02 1993-04-01 Verfahren zum waschen einer textilen warenbahn und entsprechende breitwaschmaschine Expired - Lifetime EP0633960B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4211055 1992-04-02
DE4211055A DE4211055C2 (de) 1992-04-02 1992-04-02 Breitwaschmaschine zum kontinuierlichen Waschen eines bahnförmigen textilen Gewebes
PCT/DE1993/000306 WO1993020276A1 (de) 1992-04-02 1993-04-01 Verfahren zum waschen einer textilen warenbahn und entsprechende breitwaschmaschine

Publications (2)

Publication Number Publication Date
EP0633960A1 EP0633960A1 (de) 1995-01-18
EP0633960B1 true EP0633960B1 (de) 1996-08-21

Family

ID=6455879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93907772A Expired - Lifetime EP0633960B1 (de) 1992-04-02 1993-04-01 Verfahren zum waschen einer textilen warenbahn und entsprechende breitwaschmaschine

Country Status (8)

Country Link
US (1) US5493744A (pt)
EP (1) EP0633960B1 (pt)
JP (1) JPH10506685A (pt)
BR (1) BR9306147A (pt)
CZ (1) CZ283331B6 (pt)
DE (2) DE4211055C2 (pt)
ES (1) ES2091601T3 (pt)
WO (1) WO1993020276A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436746C2 (de) * 1994-10-14 1997-08-07 Wet Tex Maschinenbau Gmbh Verfahren und Vorrichtung zur Naßbehandlung einer textilen Warenbahn
CH690332A5 (de) * 1994-10-14 2000-07-31 Kuesters Eduard Maschf Verfahren und Vorrichtung zum Behandeln einer Warenbahn mit Vakuum.
DE19508176A1 (de) * 1995-03-09 1996-09-12 Fleissner Maschf Gmbh Co Verfahren zum Säubern von Warenbahnen und Waschvorrichtung dazu
US5840101A (en) * 1995-05-27 1998-11-24 Wet Tex Maschinenbau Gmbh Method and apparatus for treatment of an endless web of material with vacuum
DE19519551A1 (de) * 1995-05-27 1996-11-28 Wet Tex Maschinenbau Gmbh Verfahren und Vorrichtung zum Behandeln einer Warenbahn im Vakuum
US5885305A (en) * 1995-10-16 1999-03-23 A. Monforts Textilmaschinen Gmbh & Co. Device for fixing dye in reactive dyeing
DE19807391C1 (de) * 1998-02-21 1999-05-06 Kuesters Eduard Maschf Vorrichtung zum Entfeuchten von textilen Warenbahnen
US6176884B1 (en) * 1999-03-04 2001-01-23 Angelo Rizzardi Continuous fabric rinsing method and apparatus
DE102004030918A1 (de) * 2003-12-18 2005-07-21 Fleissner Gmbh Absaugvorrichtung für Flüssigkeiten insbesondere an Maschinen zur hydrodynamischen Vernadelung
ES1065713Y (es) * 2007-06-14 2008-01-16 Perez-Toril Galan Fco Javier Maquina quitamanchas
AT504649B1 (de) * 2007-07-11 2008-07-15 Chemiefaser Lenzing Ag Vorrichtung und verfahren zur behandlung einer fasermasse
DE102008044849A1 (de) * 2008-08-28 2010-03-04 Fleissner Gmbh Vorrichtung zur Entwässerung einer Warenbahn
GB202109535D0 (en) * 2021-07-01 2021-08-18 Alchemie Tech Ltd Improvements in or relating to textile dyeing
CN115449984B (zh) * 2022-08-30 2023-06-16 济南鑫金龙机械有限公司 一种废旧织物回收再利用生产线

Family Cites Families (13)

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US1375663A (en) * 1919-08-09 1921-04-26 William A Ainsworth Method of cleaning knitted or like fabrics
US2008230A (en) * 1933-06-06 1935-07-16 Spooner William Wycliffe Steaming of webs of material
DE1710480A1 (de) * 1968-02-10 1971-12-09 Vepa Ag Vorrichtung zum Behandeln von durchlaessigen Guetern
US3698214A (en) * 1969-11-25 1972-10-17 Steiner American Corp Continuous washing apparatus
CH530233A (de) * 1970-03-26 1972-04-14 Triatex Internat Ag Fuer Texti Verfahren zum Veredeln von zellulosehaltigem Textilgut
US3732072A (en) * 1971-09-28 1973-05-08 Steiner American Corp Method for rinsing fabric articles
DE2814196A1 (de) * 1978-04-03 1979-10-11 Kleinewefers Gmbh Vorrichtung zum fortlaufenden behandeln einer textilen warenbahn durch durchdringen der warenbahn mit einem fluid
US4231129A (en) * 1979-03-28 1980-11-04 Cotton, Incorporated Apparatus and method for impregnating a dry fiber batt
DE3103359C2 (de) * 1981-01-31 1985-11-28 Küsters, Eduard, 4150 Krefeld Verfahren und Vorrichtung zum gleichmäßigen Aufbringen einer kleinen Menge eines Behandlungsmittels in Schaumform
US4447924A (en) * 1982-02-18 1984-05-15 Albany International Corp. Moisture control system for controlling the amount of chemical added to a fabric
DE3229004A1 (de) * 1982-08-03 1984-02-09 Brückner-Apparatebau GmbH, 6120 Erbach Vorrichtung zum hindurchfuehren eines arbeitsmediums durch eine warenbahn
DE4131616A1 (de) * 1991-09-23 1993-04-08 Mahlo Gmbh & Co Kg Verfahren und vorrichtung zum kontinuierlichen messen von ionischen und nicht-ionischen stoffen in laufendem textilgut
US5253378A (en) * 1991-09-06 1993-10-19 Cherokee Products, Inc. Spot cleaning system and method

Also Published As

Publication number Publication date
WO1993020276A1 (de) 1993-10-14
DE4211055C2 (de) 1997-01-23
BR9306147A (pt) 1998-01-13
JPH10506685A (ja) 1998-06-30
ES2091601T3 (es) 1996-11-01
CZ235994A3 (en) 1995-01-18
EP0633960A1 (de) 1995-01-18
DE4211055A1 (de) 1993-10-07
US5493744A (en) 1996-02-27
CZ283331B6 (cs) 1998-02-18
DE59303509D1 (de) 1996-09-26

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