EP1472397B1 - Barre a buses disposee sur un dispositif pour produire des jets liquides - Google Patents

Barre a buses disposee sur un dispositif pour produire des jets liquides Download PDF

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Publication number
EP1472397B1
EP1472397B1 EP03737333A EP03737333A EP1472397B1 EP 1472397 B1 EP1472397 B1 EP 1472397B1 EP 03737333 A EP03737333 A EP 03737333A EP 03737333 A EP03737333 A EP 03737333A EP 1472397 B1 EP1472397 B1 EP 1472397B1
Authority
EP
European Patent Office
Prior art keywords
bore holes
pressure distribution
distribution chamber
nozzle
nozzle bar
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
EP03737333A
Other languages
German (de)
English (en)
Other versions
EP1472397A1 (fr
Inventor
Gerold Fleissner
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
Fleissner 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 Fleissner GmbH filed Critical Fleissner GmbH
Publication of EP1472397A1 publication Critical patent/EP1472397A1/fr
Application granted granted Critical
Publication of EP1472397B1 publication Critical patent/EP1472397B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/658—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits the spraying apparatus or its outlet axis being perpendicular to the flow conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like

Definitions

  • Such a nozzle bar is from US 5,933,931.
  • a device of this kind is also known from EP-A-725 175. It is characterized u. A. by a basically simple and compact construction, with a good fluid distribution over the length of the nozzle bar and thus a uniform Solidification image on the web is achievable. This good distribution of the liquid over the length of the nozzle bar is effected without noticeable pressure losses, because an ideal flow pattern is made possible.
  • the solution after the invention in that the previously known impact body preferably in the direction of the flow holes are arranged eccentrically in the pressure distribution chamber. It has shown that the flow around the impact body is thereby uniform, There is less turbulence in the pressure distribution chamber, the liquid flow from the narrower outflow area of the liquid at the liquid flow holes towards and around the baffle body, which by the eccentric arrangement to the Wall of Druckverteithunt towards a larger space for the subsequent Homogenization of the possible turbulences left open, allows a clean appearance of the forming in the nozzle strip water jets.
  • the housing of the nozzle beam consists of an upper part 1, with the lower part of the second often screwed over the length of the screws 3 from below.
  • the top 1 has along two bores 4 and 5, of which the upper pressure chamber. 4 and the lower is the pressure distribution chamber 5. Both chambers are at one end open and again screwed liquid tight by the lid 6 and 7. At the other end face, the pressure chamber 4 an opening 4 ', through which the under Pressurized liquid is introduced.
  • the two chambers 4 and 5 are through an intermediate wall 8 separated from each other. About the length of the nozzle bar connect a large number of flow holes 9 in the intermediate wall 8 the two chambers, so that the inflowing into the pressure chamber 4 liquid gle ichstructure distributed over the length in the pressure distribution chamber 5 flows out.
  • the pressure distribution chamber is open at the bottom, by the opposite to the diameter of the Bore the pressure distribution chamber 5 narrow slot 10, which is also on the Length of the beam extends.
  • the upper part 1 with the lower part 2 is screwed tight and liquid-tight.
  • the tightness is effected by the O-ring 11, which in an annular groove 11 ' of the upper part 1 rests.
  • a spring projection 23 which fits in a corresponding groove 24 of the lower part 2 is and with its outer edges 25, the nozzle plate by contact with the Nozzle strip 14 stops.
  • a Ring groove 12 ' is introduced, in which the O-ring 12 for sealing the nozzle plate fourteenth rests.
  • a slot 13 is introduced in the lower part 2, in its upper Range is only very narrow and only slightly more than the width of the effective nozzle openings the nozzle plate 14 leaves open.
  • Escaping with the covers 6, 7 and the rear Gesimousestirnwandung 15 is the Lower part 2 each screwed liquid-tight by another cover 16 and 17.
  • the lids 16, 17 is at the level of the nozzle plate 14 held in the lower part a groove 18, 19 are introduced, in which the nozzle plate 14 extends into and thus light can be taken after replacement of the cover 16 or 17 for replacement.
  • the pressure distribution chamber 5 is in the embodiment through a hole in the nozzle bar housing produced. The chamber 5 is thus closed down. To the exit of the liquid from the pressure distribution chamber 5 to the nozzle plate 14 is introduced the slot 10, which is smaller than the cross section of the pressure distribution chamber 5 is. The entering through the flow holes 9 liquid should be in the Distribute distribution chamber 5 more evenly.
  • the volume of the pressure distribution chamber serves this purpose 5 and a baffle 20, over the length of the pressure distribution chamber 5 between the holes 9 and the slot 10 is held.
  • the baffle 20 is with Held distance from the intermediate wall 8 and on all sides by the liquid flow around. To make this possible, the baffle body in the intermediate wall 8 several times over the Length of the nozzle bar by means of screws 21 held at a distance. In this way first meets the fluid from the flow holes 9 on the baffle body 20, is distributed in the distribution chamber 5 and then flows at the same pressure over its length of the beam. through the fine holes of the nozzle plate 14th
  • the circular impact body 20 is not centric, but in Direction to the flow holes 9 offset.
  • This eccentric arrangement causes the still free pressure distribution space 5 a quieter, lossless, streamlined liquid flow towards the nozzle strip 14 is formed.
  • the result is cleaner shaped water jets, which then also higher energy on the Can transfer web.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Nozzles (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Beans For Foods Or Fodder (AREA)
  • Electroplating Methods And Accessories (AREA)

Claims (8)

  1. Barre à buses d'un dispositif d'émission de jets de liquide servant à entrelacer par jet les fibres d'une bande de fibres guidée le long de la barre, qui est composée d'une partie supérieure s'étendant sur la longueur de travail de la bande de fibres et d'une partie inférieure qui lui est fixée de manière étanche au liquide,
    a) étant disposée dans la partie supérieure, sur sa longueur, une chambre de compression vers laquelle le liquide sous pression est acheminé par exemple du côté frontal, et
    b) étant prévue, parallèlement à celle-ci, avec une paroi intermédiaire, une chambre de répartition de compression qui est reliée à la chambre de compression par des alésages de passage de liquide pratiqués dans la paroi intermédiaire, et
    c) une tôle à buses comportant les alésages destinés aux buses s'appuyant de manière étanche au liquide sur la partie inférieure, et
    d) la chambre de répartition de compression aboutissant, dans la zone faisant face aux alésages de passage de liquide, dans une fente qui débouche sur les alésages de la tôle à buses, et
    e) un corps de rebond étant disposé, dans la chambre de répartition de compression, entre les alésages de passage de liquide et la fente, sur la longueur de la fente,
    f) lequel corps de rebond est disposé de manière à pouvoir être contourné librement par le flux sur sa longueur et sur sa section transversale, dans la chambre de répartition de compression,
    caractérisée en ce que
    g) le corps de rebond (20) est disposé de manière excentrique dans la chambre de répartition de compression (5).
  2. Barre à buses selon la revendication 1, comportant un corps de rebond qui est réalisé avec une section transversale ronde, caractérisée en ce que le corps de rebond (20) est disposé de manière excentrique dans la chambre de répartition de compression (5) en direction des alésages de passage de flux (9).
  3. Barre à buses selon la revendication 2, caractérisée en ce que le corps de rebond (20) est disposé dans l'axe des alésages d'écoulement (9) et avec un décalage de quelques mm, éventuellement 1 à 10, de préférence aussi seulement 2 mm, en fonction de la taille de la chambre de répartition de compression (5), en direction des alésages de passage de flux (9).
  4. Barre à buses selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le corps de rebond (20) est réalisé avec une forme circulaire comme connu.
  5. Barre à buses selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le corps de rebond est réalisé avec une section transversale ovale et dans l'axe des alésages de passage de flux.
  6. Barre à buses selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le corps de rebond est réalisé avec une section transversale s'évasant en cône dans l'axe des alésages de passage de flux.
  7. Barre à buses de préférence selon l'une quelconque ou plusieurs des revendications précédentes, caractérisée en ce que l'écoulement de liquide se régularise non seulement dans la chambre de répartition de compression (5) mais aussi en partant de la chambre de compression (4) depuis une zone de passage de flux assez étroite (9') vers une zone d'évacuation de flux s'élargissant (9).
  8. Barre à buses selon la revendication 8, caractérisée en ce que les alésages de passage de flux (9) de la paroi intermédiaire sont réalisés avec un diamètre d'abord étroit (9') puis plus grand (9) dans le sens d'évacuation du liquide.
EP03737333A 2002-02-07 2003-01-30 Barre a buses disposee sur un dispositif pour produire des jets liquides Expired - Lifetime EP1472397B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10205151A DE10205151A1 (de) 2002-02-07 2002-02-07 Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
DE10205151 2002-02-07
PCT/EP2003/050007 WO2003066948A1 (fr) 2002-02-07 2003-01-30 Barre a buses disposee sur un dispositif pour produire des jets liquides

Publications (2)

Publication Number Publication Date
EP1472397A1 EP1472397A1 (fr) 2004-11-03
EP1472397B1 true EP1472397B1 (fr) 2005-03-09

Family

ID=27618419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737333A Expired - Lifetime EP1472397B1 (fr) 2002-02-07 2003-01-30 Barre a buses disposee sur un dispositif pour produire des jets liquides

Country Status (4)

Country Link
EP (1) EP1472397B1 (fr)
AT (1) ATE290620T1 (fr)
DE (2) DE10205151A1 (fr)
WO (1) WO2003066948A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055939B3 (de) * 2005-11-24 2007-02-08 Fleissner Gmbh Düsenbalken in einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
DE102016119481A1 (de) 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005005463A1 (de) * 2005-02-04 2006-08-10 Fleissner Gmbh Düsenbalken mit Mitteln zur Einstellung der Arbeitsbreite sowie Verfahren zur Einstellung der Arbeitsbreite eines Düsenstreifens
DE102008061679A1 (de) 2008-12-11 2010-06-17 Fleissner Gmbh Verfahren und Vorrichtung zur Vorverfestigung eines Vlieses
DE102008013817A1 (de) 2008-03-12 2009-09-17 Fleissner Gmbh Verfahren und Vorrichtung zur Vorverfestigung eines Vlieses
DE202008004900U1 (de) 2008-04-09 2009-08-27 Fleissner Gmbh Vorrichtung zur Vorverfestigung eines Vlieses
EP2302119B1 (fr) 2009-09-18 2012-06-20 Groz-Beckert KG Film de buse pour une poutre à buse doté de segments de film pouvant être reliés
EP2301671B1 (fr) 2009-09-18 2012-06-06 Groz-Beckert KG Rampe de buses pour une machine de traitement du textile
EP2302120B1 (fr) * 2009-09-22 2012-06-20 Groz-Beckert KG Injecteur pour une machine de traitement du textile
DE102016119482A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
DE102016119480A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59601476D1 (de) * 1995-01-23 1999-04-29 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
US6442809B1 (en) * 1997-12-05 2002-09-03 Polymer Group, Inc. Fabric hydroenhancement method and equipment for improved efficiency
US5933931A (en) * 1997-12-05 1999-08-10 Bba Nonwovens Simpsonville, Inc. Turbulence-induced hyrdroenhancing for improved enhancing efficiency

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055939B3 (de) * 2005-11-24 2007-02-08 Fleissner Gmbh Düsenbalken in einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
CN1970866B (zh) * 2005-11-24 2010-09-15 弗莱斯纳有限责任公司 在装置中用于产生液体射流的喷嘴梁
DE102016119481A1 (de) 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
WO2018068952A1 (fr) 2016-10-12 2018-04-19 TRüTZSCHLER GMBH & CO. KG Rampe de jets d'eau pour le traitement de fibres par jets d'eau

Also Published As

Publication number Publication date
ATE290620T1 (de) 2005-03-15
WO2003066948A1 (fr) 2003-08-14
EP1472397A1 (fr) 2004-11-03
DE10205151A1 (de) 2003-08-21
DE50300348D1 (de) 2005-04-14

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