EP2022881B1 - Dispositif pour le traitement par jets d'eau de tissus - Google Patents

Dispositif pour le traitement par jets d'eau de tissus Download PDF

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Publication number
EP2022881B1
EP2022881B1 EP08016337A EP08016337A EP2022881B1 EP 2022881 B1 EP2022881 B1 EP 2022881B1 EP 08016337 A EP08016337 A EP 08016337A EP 08016337 A EP08016337 A EP 08016337A EP 2022881 B1 EP2022881 B1 EP 2022881B1
Authority
EP
European Patent Office
Prior art keywords
suction
suction chamber
displacement body
water
perforated
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.)
Not-in-force
Application number
EP08016337A
Other languages
German (de)
English (en)
Other versions
EP2022881A2 (fr
EP2022881A3 (fr
Inventor
Ullrich Dr. Münstermann
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Truetzschler Nonwovens GmbH
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 Truetzschler Nonwovens GmbH filed Critical Truetzschler Nonwovens GmbH
Publication of EP2022881A2 publication Critical patent/EP2022881A2/fr
Publication of EP2022881A3 publication Critical patent/EP2022881A3/fr
Application granted granted Critical
Publication of EP2022881B1 publication Critical patent/EP2022881B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C29/00—Finishing or dressing, of textile fabrics, not provided for in the preceding groups

Definitions

  • the invention relates to a device for Strahlbeetzung of fabrics, tissue webs or webs, consisting of staple fibers, continuous filaments or cellulose fibers also from several layers or mixtures and provided on the lower side of the suction perforated suction for the extraction of water spray.
  • a water bar for the water needling of fabrics ( WO 01/40562 A1 ), which is associated with a cover groove, which is mounted from an upper support and a cover arranged below it with a porous bottom so that a suction channel can be formed.
  • a suction opening and a horizontal porous cover plate are arranged on one side of the water jet.
  • the invention is based on the object that a water jet emerging from the water jet in its direction over the entire length and / or width of the water bar not by splashing water and by the spraying caused water mist is impaired and the usual drop formation is excluded at the bottom of the water bar.
  • an air displacement body in the suction chamber, is positioned so that a uniform suction effect over the entire width and / or length of the perforated suction surface is ensured because the suction takes place on one side.
  • the arrangement of the air displacement body air flows are fine adjusted within the suction as needed.
  • the air displacement body has a lower side which encloses in the longitudinal direction of the suction chamber with its underside an angle which is between 1 ° and 30 °, wherein the gap between the air displacement body and the perforated suction surface is narrower in the direction of a suction device.
  • the air displacement body ends with its one end or its side wall in the region of the suction device connected to the suction chamber.
  • the air displacement body is located above the perforated suction surface and the perforated suction area narrows such that a maximum air flow of, for example, 2 m / s is achieved on the outside of the perforated suction.
  • the air displacement body extends approximately over the entire width and / or length of the suction chamber and that the air displacement body is an approximately rectangular body, in particular a housing which extends in the direction of the suction chamber and in this Direction inclined. As a result, a uniform suction power is ensured over the entire surface of the suction device.
  • Fig. 1 1a denotes a water bar, from which a water jet 10 exits via nozzle openings (not shown in the drawing) and impinges on tissue guided over a fabric support 13 of a sieve drum or sieve roller 14a, a fabric weft web or webs 2.
  • the water is discharged for the most part via a Wasserab technologicalvorraum 12 of the screen roller 14a.
  • a suction device or suction chamber 5 a which has on its lower side 5 b a perforated suction surface 3 a, b with openings 3 c, so that when the water jet 10 appears on fabric, a fabric web or webs 2 resulting spray water is passed to the underside of the suction chamber 5b and can then be completely sucked from the suction chamber 5a.
  • the water droplets occurring at the bottom of the water bar 1 a can be avoided and no longer drip onto the fabric, the tissue web or the webs 2.
  • the suction chamber 5a is arranged symmetrically to both sides of the water bar 1 a.
  • a negative pressure which is provided by a not shown in the drawing pump, which is connected via a suction hose 8b with the suction chamber 5a.
  • Fig. 2 shows a further embodiment of the suction chamber 5a for the water beam 1a for the jet exposure of fabrics, tissue webs or webs 2 with provided on the lower side 5b of the suction 5a perforated suction surfaces 3a and 3b for the suction of water spray 4.
  • the perforated suction surface 3a, 3b is so inclined extending so as to extend from an upper portion 6b close to the water bar 1a and / or a drip edge 6a to a lower portion 6c of the suction chamber 5a.
  • the first portion 3a of the perforated suction surface has a relatively small open area, while the second portion 3b of the perforated suction area has a relatively large area.
  • the suction chamber can also be formed without the drip edge.
  • the openings 3c provided in the perforated suction surface have a smaller average in the section 3a than the openings 3c in the section 3b. In this way, an approximately equal suction pressure is generated on the inner upper side of the suction surface 3a or 3b so that the spray water impinging on the fabric, the fabric weft web or the webs 2 can be readily sucked off. Furthermore, the water droplets traveling downwardly due to gravity can be completely sucked into the suction chamber 5a through the larger openings 3c in the lower area of the suction surface 6c.
  • the distance between the individual openings 3c may be the same or different.
  • the cross-sectional areas of the openings 3c starting from the drip edge 6a become progressively larger in the direction of the suction chamber 5a or a side 5c of the suction chamber 5a facing away from the water beam 1a.
  • the cross-sectional areas of the openings 3c, starting from the drip edge 6a continuously or in uniform steps can be increasingly larger.
  • a tangent 14b on the outer periphery of the screen roller 14a.
  • the tangents 14b encloses an angle ⁇ with the lower surface of the suction surface 3a and 3b.
  • the angle ⁇ may be between 5 ° and 25 °, but preferably between 6 ° and 15 °.
  • the openings 3 c of the suction surface 3 a, 3 b on the inner side 3 a facing the water jet 10 of the water bar 1 a make an open area of about 3% to 8%, preferably 5%, and an open area of about 10% to 25 on the outer side % preferably from 20%.
  • the suction chamber 5a located on the right side of the water bar 1a, the suction chamber 5a, which may be formed as an approximately rectangular box and is received via the spray water 4.
  • the water beam 1a and the suction chamber 5a an air supply 11a associated with an air supply channel 11b which ends in the region of the lower side 1b of the water bar 1 a, wherein an outlet opening 11 c of the air supply channel 11 b in the vicinity of the water jet 10 is located ,
  • the air supply passage 11b is formed substantially by an outside of the water bar 1c and a left outside 5d of the suction chamber 5a.
  • the air supply channel 11 b extends approximately parallel to the outside of the water bar 1 a and the lower side 1 b of the water bar 1 a.
  • the drip edge 6a belonging to the suction chamber 5a is also located. At the drip edge 6a only very fine drops of water can form, which can do no further damage when they fall down.
  • the dry air supplied via the air supply duct 11b of the air supply device 11a to the water jet 10 has the advantage that it does not influence the water jet 10 in its direction.
  • the water jet 10 is thus not influenced by very fine water droplets or mist and can be projected particularly focused on the tissue, the tissue web or the webs 2.
  • Fig. 2 the dry air via the air supply channel 11 b introduced by the water jet 10 intrinsic suction effect.
  • the dry air can also be actively supplied to the water jet 10 via the air supply device 11a if required with the aid of a blower.
  • Fig. 2 is located on the right side of the water bar 1a, the air supply device 11a and the suction chamber 5a.
  • the suction chamber 5a can be arranged symmetrically on both sides of the water bar 1a (see also Fig. 1 ).
  • the air supply device 11a can be arranged symmetrically on both sides of the water bar 1a.
  • the air supply passage 11b of the air supply device 11a is formed in this embodiment substantially by a distance of 1 to 15 mm, preferably 3 to 10 mm and especially 3 to 6 mm between an outer side of the water bar 1c and the water bar facing outside of the suction chamber 5d ,
  • the air supply duct 11b can also be configured by hoses or similar air supply devices in a variant of the drawing which is not shown in the drawing.
  • the outlet opening 11c extends approximately over the entire width of the water bar 1a.
  • the outlet opening 11 c is further aligned so that the exiting air jet occurs approximately perpendicular to the emerging from the water beam 1 a water jet 10.
  • the apertures 3c of the perforated suction surface on the side 3a facing the water jet 10 may be formed as elongated approximately parallel slots having a length between 1 mm and 10 mm and a width A between 0.1 mm and 3 mm. It is also possible in that the slots provided on the outer side 3b of the perforated suction surface are preferably formed angularly with a length between 1 mm and 10 mm and a width B between 0.1 mm and 3 mm. Depending on the embodiment, the slots may also have a linear or a wave-shaped course. All of these design variants of the openings 3c have the aim of absorbing the water droplets of the spray water 4 running along the perforated suction surface as efficiently as possible. It should be prevented in particular that the water droplets of the spray water 4 can pass between the openings 3c.
  • an air displacement body 7a which may have different shapes.
  • the air displacement body 7a is formed as a hollow body and is bounded by two parallel side walls 7c and 7d.
  • the air displacement body 7a is located above the perforated suction surface 3a, 3b, in particular above the suction surface with relatively large open area 3b, so that the perforated suction surface 3a, 3b is narrowed such that a maximum air flow of, for example, 2 m / s on the outside of the perforated Absaug Structure 3b is achieved.
  • the air displacement body 7a extends over the entire width and / or length of the suction chamber 5a.
  • the air displacement body 7a may be variably mounted in a further advantageous embodiment, not shown in the drawing, in terms of its height and inclination.
  • the underside 7b of the displacement body 7a extends in the same direction as the suction surface 3a and 3b and thus includes an angle ⁇ not shown in the drawing between 5 ° and 30 °.
  • the air displacement body also includes with its lower side 7b opposite the inner surface of the perforated suction surface 3a, 3b an angle ⁇ , which is between 1 ° and 30 ° and between 1 ° and 5 °, the gap between the Air displacement body 7a and the perforated suction surface 3a, 3b in the direction of a suction device 8a becomes narrower.
  • suction device consisting of a connecting piece 8a and a suction hose 8b, via which the spray water taken up by the suction chamber 5a is discharged and the negative pressure is generated in the same.
  • the interior of the suction chamber 5 a is accessible via a supply flap 9.
  • the air displacement body 7a ends with its lower end in the region of the connecting piece of the suction device 8a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (4)

  1. Dispositif de traitement par jets de tissus, de panneaux de tissus à mailles ou de non-tissés de fibres coupées, de fils continus ou de fibres de cellulose, aussi en plusieurs couches ou des mélanges de ceux-ci, le dispositif comprenant une rampe d'eau (1a), une chambre d'aspiration (5a) et une surface perforée (3a, 3b) pour l'aspiration d'eau pulvérisée, ladite surface étant prévue au dessous de la chambre d'aspiration,
    caractérisé en ce
    qu'un corps de déplacement d'air (7a) est positionné dans ladite chambre d'aspiration (5a) de sorte qu'un effet d'aspiration uniforme est assuré sur la largeur et/ou la longueur entière de ladite surface d'aspiration (3a, 3b); pour y parvenir, une des extrémités ou une paroi latérale (7d) dudit corps de déplacement d'air (7a) se termine dans la région d'un moyen d'aspiration (8a) connecté à ladite chambre d'aspiration (5a), et ledit corps de déplacement d'air (7a) comprend un dessous (7b) qui renferme, dans la direction longitudinale de ladite chambre d'aspiration (5a) et avec le dessous (5b) de celle-ci, un angle (β) se situant entre 1° et 30°, l'écart entre le corps de déplacement d'air (7a) et la surface d'aspiration (3a, 3b) perforée se rétrécissant vers le moyen d'aspiration (8a).
  2. Dispositif selon la revendication 1,
    caractérisé en ce
    que ledit corps de déplacement d'air (7a) est situé au-dessus de ladite surface d'aspiration (3a, 3b) perforée et resserre ladite surface d'aspiration (3a, 3b) perforée de sorte qu'un courant d'air maximal de 2 m/s, par exemple, est obtenu au côté extérieur de ladite surface d'aspiration (3b) perforée.
  3. Dispositif selon la revendication 1,
    caractérisé en ce
    que ledit corps de déplacement d'air (7a) s'étend à peu près sur toute la largeur et/ou la longueur de ladite chambre d'aspiration (5a).
  4. Dispositif selon la revendication 1,
    caractérisé en ce
    que ledit corps de déplacement d'air (7a) est un corps approximativement rectangulaire, notamment un boitier, s'étendant vers ladite chambre d'aspiration (5a) et étant incliné dans cette direction.
EP08016337A 2005-09-03 2006-07-21 Dispositif pour le traitement par jets d'eau de tissus Not-in-force EP2022881B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005041904 2005-09-03
DE102006030701A DE102006030701A1 (de) 2005-09-03 2006-06-30 Absaugkammer für einen Wasserbalken zur Strahlbeaufschlagung von Geweben
EP06015183A EP1760180B1 (fr) 2005-09-03 2006-07-21 Dispositif pour le traitement par jets d'eau de tissus

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP06015183A Division EP1760180B1 (fr) 2005-09-03 2006-07-21 Dispositif pour le traitement par jets d'eau de tissus
EP06015183.4 Division 2006-07-21

Publications (3)

Publication Number Publication Date
EP2022881A2 EP2022881A2 (fr) 2009-02-11
EP2022881A3 EP2022881A3 (fr) 2009-03-25
EP2022881B1 true EP2022881B1 (fr) 2011-12-07

Family

ID=37735679

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06015183A Not-in-force EP1760180B1 (fr) 2005-09-03 2006-07-21 Dispositif pour le traitement par jets d'eau de tissus
EP08016337A Not-in-force EP2022881B1 (fr) 2005-09-03 2006-07-21 Dispositif pour le traitement par jets d'eau de tissus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06015183A Not-in-force EP1760180B1 (fr) 2005-09-03 2006-07-21 Dispositif pour le traitement par jets d'eau de tissus

Country Status (6)

Country Link
US (1) US7694539B2 (fr)
EP (2) EP1760180B1 (fr)
JP (1) JP4918311B2 (fr)
AT (2) ATE516396T1 (fr)
DE (1) DE102006030701A1 (fr)
PL (1) PL1760180T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1876278A1 (fr) * 2006-06-30 2008-01-09 Fleissner GmbH Chambre d'aspiration pour une rampe d'eau destinée au traitement de tissus par jet d' eau
PL1873290T3 (pl) * 2006-06-30 2013-12-31 Truetzschler Nonwovens & Man Made Fibers Gmbh Komora odsysająca dla belki wodnej do obróbki tkanin strumieniem
DE102006057367A1 (de) 2006-12-04 2008-06-05 Fleissner Gmbh Absaugkammer für einen Wasserbalken zur Strahlbeaufschlagung von Geweben

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1344701A (en) * 1971-02-10 1974-01-23 Norton Co Ltd Sir James Farmer Apparatus for treating webs
DE2249330A1 (de) * 1972-10-07 1974-04-11 Hoechst Ag Verfahren und vorrichtung zur kontinuierlichen fixierung von drucken und klotzfaerbungen auf polyesterfasern und deren mischung mit cellulosefasern
US4870462A (en) 1988-09-15 1989-09-26 Precision Image Corporation Slug flow air stream apparatus for drying liquid toned images
JP2590588B2 (ja) * 1990-05-22 1997-03-12 東レ株式会社 繊維シートの高圧水流処理方法及びその装置
JP3129527B2 (ja) * 1992-07-01 2001-01-31 三菱レイヨン・エンジニアリング株式会社 ウエブ交絡用噴射ヘッド
JPH06285006A (ja) * 1993-04-04 1994-10-11 New Oji Paper Co Ltd 拭き布の製造方法および製造装置
CA2149300A1 (fr) * 1993-09-14 1995-03-23 Anton Plomer Procede et dispositif servant a enduire une bande de materiau en mouvement
US6085699A (en) * 1995-04-04 2000-07-11 Srp 687 Pty Ltd. Air inlets for water heaters
DE19604504A1 (de) * 1996-02-08 1997-08-14 Schako Metallwarenfabrik Bodenauslaß
JP3607445B2 (ja) * 1997-01-31 2005-01-05 株式会社日立ハイテクインスツルメンツ 電子部品の吸着ノズル
DE19923591A1 (de) 1999-05-21 2000-11-23 Fleissner Maschf Gmbh Co Vorrichtung mit einem Düsenbalken zur Erzeugung von Flüssigkeitsstrahlen zur Strahlbeaufschlagung der Fasern einer Warenbahn
FR2801909B1 (fr) * 1999-12-01 2002-01-11 Icbt Perfojet Sa Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression
IT1314474B1 (it) * 2000-01-28 2002-12-18 Perini Fabio Spa Dispositivo e metodo per la pulizia di una superficie di un cilindroruotante, come un cilindro cliche' di una macchina da stampa od altro
FI115314B (fi) * 2001-03-13 2005-04-15 Metso Paper Inc Sovitelma paperin tai kartongin käsittelemiseksi
KR20040089419A (ko) * 2003-04-14 2004-10-21 류좌식 차량 실내온도 흡입 자동제어기능과 실내공기 오염 및먼지 제거장치
SE526978C2 (sv) * 2004-04-20 2005-11-29 Metso Paper Karlstad Ab Skyddsanordning för sprayutrustning och sätt att skydda denna och dess omgivning

Also Published As

Publication number Publication date
US7694539B2 (en) 2010-04-13
ATE536433T1 (de) 2011-12-15
PL1760180T3 (pl) 2011-12-30
JP4918311B2 (ja) 2012-04-18
JP2007070796A (ja) 2007-03-22
ATE516396T1 (de) 2011-07-15
EP2022881A2 (fr) 2009-02-11
EP1760180A2 (fr) 2007-03-07
DE102006030701A1 (de) 2007-03-08
EP1760180B1 (fr) 2011-07-13
US20070051141A1 (en) 2007-03-08
EP1760180A3 (fr) 2008-05-14
EP2022881A3 (fr) 2009-03-25

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