EP3129538A1 - Rampe de jets d'eau et procédé associé - Google Patents

Rampe de jets d'eau et procédé associé

Info

Publication number
EP3129538A1
EP3129538A1 EP15716752.9A EP15716752A EP3129538A1 EP 3129538 A1 EP3129538 A1 EP 3129538A1 EP 15716752 A EP15716752 A EP 15716752A EP 3129538 A1 EP3129538 A1 EP 3129538A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
housing
nozzle bar
shell
opening
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.)
Granted
Application number
EP15716752.9A
Other languages
German (de)
English (en)
Other versions
EP3129538B1 (fr
Inventor
Christian Richter
Anton Mooshammer
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.)
Autefa Solutions Germany GmbH
Original Assignee
Autefa Solutions Germany 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 Autefa Solutions Germany GmbH filed Critical Autefa Solutions Germany GmbH
Publication of EP3129538A1 publication Critical patent/EP3129538A1/fr
Application granted granted Critical
Publication of EP3129538B1 publication Critical patent/EP3129538B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • B05B1/202—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor comprising inserted outlet elements
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet

Definitions

  • the invention relates to a nozzle beam and a method for a fluid jet treatment apparatus, in particular water jet bonding apparatus having the features in the preamble of the process and
  • Hydroentangling which has a tubular housing with a housing shell and a local slot-like, axial shell opening. Inside the housing and over the shell opening a flat nozzle strip is arranged. The water jets emerging here are through the jacket opening and after leaving the mouth of the mouth further to one
  • the invention solves this problem with the features in the method and device main claim.
  • the claimed nozzle technique i. the nozzle beam and the jetting process as well as the nozzle strip have several advantages. On the one hand, one can
  • the exiting fluid jets in particular jets of water, can be tightly and sharply focused.
  • the free jet length is until the impact on the treated, in particular to be solidified
  • the exit point of the fluid ⁇ or water jets can be placed on the nozzle bar further outward, whereby in the aforementioned manner, the free jet length is shortened.
  • the improved beam guidance also allows an arrangement and alignment of nozzle bars and exiting fluid ⁇ or water jets, which were previously not possible.
  • the exiting fluid or
  • Water jets are directed from bottom to top, which allows a denser nozzle beam arrangement on the material web and a more compact design of the hydroentanglement ⁇ device.
  • a number of rows of fine nozzle openings can be arranged next to one another on a nozzle strip. In this way, on the one hand, the radiance can be increased.
  • Beam length and the beam convergence the exiting water or jet streams are not mutually exclusive.
  • the claimed nozzle design can improve the constancy of high pressure exiting fluid jets.
  • a perforated cover on the nozzle body can also increase the quality. The one with the
  • the solidification effect can be significantly improved and optimized over the prior art.
  • Nozzle bar and material web On the other hand, the free jet length now beginning on the outside of the nozzle bar allows a greater distancing of the nozzle bar from the material web, which is true for the said
  • the expert has in the design and arrangement of the
  • Nozzle bar a larger variation
  • nozzle technology according to the invention is the thickness of the
  • guide means can distribute the supplied fluid better and ensure constant pressures over the nozzle length and at the jet outlet openings.
  • the optimized air flow thanks to the improved nozzle technology also allows for better removal of the water. Especially with one
  • the gravitational effect can be used to advantage.
  • the claimed nozzle technique also results in a significant reduction in fluid consumption on the hydroentanglement apparatus. Overall, the latter can be optimized in terms of footprint and performance, which also reduces the cost and on the other hand, the cost-effectiveness
  • FIG. 1 shows a hydroentanglement device with a plurality of nozzle bars in a schematic view
  • Figure 2 a schematic cross-sectional view of a
  • Nozzle bar together with material web and carrier
  • FIG. 3 is a plan view of a nozzle strip
  • FIG. 4 shows a section through the nozzle strip according to FIG.
  • Figure 5 a broken longitudinal section through the
  • Nozzle strip and the nozzle bar at the front end region according to section line V-V of Figure 4,
  • FIG. 6 shows a longitudinal section through a nozzle opening in FIG
  • Figure 7 a partial plan view of a
  • Figure 8 a variant of the nozzle strip
  • Figure 9 another variant of the nozzle strip.
  • the invention relates to a nozzle bar (10) and a Bedüsungs vide for a
  • Fluid jet treatment device (1) The invention further relates to a fluid jet treatment apparatus (1) having one or more such nozzle bars (10) and a method for fluid jet treatment of a material web (2).
  • the fluid is preferably water. It may alternatively be another liquid.
  • the fluid is preferably water. It may alternatively be another liquid.
  • reference will be made to water and to a water jet treatment, the technical teaching with corresponding adaptation also applying to other liquids.
  • Water jet treatment device (1) can the
  • Solidify a web (2) relate. They may alternatively concern a surface treatment, in particular a finish, or other treatments of a material web (2).
  • a surface treatment in particular a finish
  • other treatments of a material web (2) The following is a procedure for
  • Hydroentangling (1) described.
  • the technical teaching applies with appropriate adaptation for other water jet treatments and applications.
  • the hydroentanglement apparatus (1) and method are also referred to as spunlace or hydroentanglement
  • the material web (2) can from any, with
  • the material web (2) of textile fibers in particular natural fibers and / or synthetic fibers in cut short form (so-called.
  • Staple fiber or in a long form (so-called tow). It is preferably designed as a nonwoven nonwoven web. Such a non-woven fabric is sometimes referred to as a batt.
  • Figure 2 is the by the
  • alternative are also other textile, such as woven, webs (2) possible.
  • Hydroentangling apparatus (1) finds one
  • the material web (2) is moved relative to a preferably stationary hydroentanglement device (1).
  • the transport device (27) has e.g.
  • a carrier (3) Hydroentanglement and during transport, a carrier (3) is provided. This can have a flat or curved shape.
  • the carrier (3) can also have several
  • He can e.g. be designed as a sieve belt, screen jacket or grid.
  • the support (3) is e.g. from neighboring
  • FIG. 2 schematically shows the possibility of a screen belt (3), which is flat at least in some areas, and which can be dimensionally stable or has a bending elasticity.
  • the carrier (3) may be stationary or movable.
  • the hydroentanglement device (1) has a jet device (8) which has one or more
  • a suction device (4) may be present and arranged on the other side of the carrier (3) beyond the material web (2). Under said Medium water other than H20 also other
  • the jet device (8) has a nozzle bar (10) and a schematically indicated in FIG.
  • the nozzle bar (10) can be present several times. In this case, a plurality of nozzle bars (10) to a common pressurized water supply (9)
  • the nozzle bar (10) has an elongate bar shape and extends across the web (2). In the embodiment shown, it is relatively stationary
  • the nozzle bar (10) has a hollow housing (11) with an interior space (31) and a surrounding housing jacket (12).
  • the housing shell (12) may be in one piece or in several parts. He can e.g. are formed by a plurality of interconnected side walls.
  • the front side is the
  • Nozzle bar (10) suitably by cover or the like. locked. In the hollow interior (31) a high water pressure is built up.
  • the housing (11) may have a shape and a
  • the nozzle bar (10) can be any material that can be any material that can be any material.
  • the nozzle bar (10) can be any material that can be any material.
  • the cross-section is rectangular
  • a jacket opening (13) is arranged on the side facing the material web (2). It can be in the longitudinal direction of the nozzle beam (10)
  • the jacket opening (13) can also be present several times, e.g. in parallel arrangement.
  • Shell opening (13) can pass over the beam length in one piece or can be interrupted. It preferably has a straight and along the beam axis
  • the nozzle strip (16) is also referred to as a nozzle bar. It preferably consists of a thin-walled material.
  • Figures 2 to 5 illustrate the curved, omega-shaped cross-sectional geometry of the nozzle strip (16). This has a central arched nozzle body (19) and possibly on its edge on one side or both sides arranged and laterally projecting Gareliata (18). The latter can be designed, for example, as bent retaining flanges.
  • the shell opening (13) is shown in the
  • Embodiments slot-shaped and provides an opening in the housing shell (12).
  • Nozzle strip (16) preferably has a uniform cross-sectional shape over its length and is designed as a thin-walled profile (17). Preferably, it consists of
  • Metal in particular of steel or one
  • Sheet metal bent may be a drawn or pressed metal profile.
  • Nozzle strip (16) or the profile can also be machined from a solid material or otherwise
  • nozzle strip (16) or the profile (17) can also be prepared. Alternatively, other materials, e.g. a high-strength plastic or the like. possible.
  • the nozzle strip (16) or the profile (17) can also be prepared.
  • the nozzle body (19) has a substantially U-shaped or V-shaped cross section.
  • the V-shaped or conical cross-section tapers in the beam emission direction (5).
  • Nozzle body (19) is hollow and the interior of the
  • Nozzle bar (10) open. He has a side Korpuswandung (20) and a body bottom (21) with a plurality of nozzle openings (24) for the local outlet of a
  • the body bottom (21) is preferably flat. He can parallel to the material web (2) or be aligned to the carrier (3).
  • the nozzle body (19) is recessed in the shell opening (13).
  • the holding elements (18) lie on both sides of the jacket opening (13) on the adjacent housing shell (12) and are supported here.
  • a seal (30) can be arranged below the retaining elements (18) and / or the body wall (20).
  • FIG. 2 The prior art is also shown in dashed lines in FIG. 2, in which a flat nozzle strip provided with a row of holes lies on the inside of the housing jacket (12) and over the jacket opening (13).
  • the water jet (5) emerging from the previously known nozzle strip first has to expand the one opposite the row of holes
  • Housing wall has a certain wall thickness due to the high water pressure and the required strength, which noticeably enters the opening depth and the free jet length.
  • Nozzle strip (16) with its body bottom (21) beyond the outside edge of the shell opening (13) and protrudes a piece on the outside of the beam.
  • the nozzle strip (16) can terminate flush with the outside edge of the jacket opening (13) or, if appropriate, also end in front of this edge.
  • the jacket opening (13) terminates at the front in each case at a distance from the front
  • Nozzle bar end or the local lid The
  • Shell opening (13) can have a conical shape both in cross-section, as well as in longitudinal section and tapering towards the outside of the beam. She has a weird attitude
  • the nozzle body (19) may have a corresponding, for
  • the end faces (22) are flat on the respectively
  • the lateral Korpuswandung (20) and the side walls (14) of the shell opening (13) are preferably also flat and lie flat against each other.
  • the side walls (15) thereby support the body wall (20) against the acting water pressure.
  • the cone shape is
  • the width of the body floor (21) decreases, which is favorable for its strength and dimensional stability.
  • FIG. 7 shows the
  • FIG. 6 shows by way of example a longitudinal section through a nozzle opening (24) in the body bottom (21).
  • the nozzle opening (24) has e.g. one to the hollow interior of the
  • the upper opening portion (25) may have a very small diameter. This can e.g. in the order of 0.01mm to 0.30mm,
  • Hole series training will be one or more
  • the nozzle openings (24) are arranged at a distance above the material web (2), wherein between the
  • FIG. 1 Between the nozzle bar (10) and the material web (2), in particular the carrier (3), one in FIG. 1 can be seen
  • adjusting device (34) may be arranged to change the distance.
  • the nozzle bar (10) is mounted vertically adjustable.
  • the desired free jet length of the emitted fluid jet (5) or water jet can be adjusted.
  • a portion of the water jets (5) is from the web (2) and the carrier (3) as a spray or water spray (7)
  • the spray water (7) can be at the
  • FIG. 2 shows schematically the air streams (6).
  • the suction devices (4) are stationary within the rotating screen rollers (29).
  • the nozzle bars (10) are aligned radially to the respective screen roller (29) and arranged distributed around the circumference.
  • One or more nozzle bars (10) can be the
  • FIG. 8 shows a variant of the housing (11) and the nozzle bar (16) and the nozzle strip.
  • the housing (11) has a housing jacket (12) with a bottom part detachably secured to the underside, in particular bolted
  • Holding elements (18) is omitted.
  • the seals (30) for the nozzle body (19) tapering conically in the jet direction are at the corresponding side walls (14) of
  • Shell opening (13) arranged.
  • the flat body floor (21) with the nozzle openings (24), in particular the one or more rows of holes (23) is also in this
  • Figure 8 also illustrates the arrangement of a guide (35) for the nozzle bar (16) on one or both
  • the guide (35) is e.g. from an axial, strip-like projection on one or both end walls (15) of the shell opening (13) and a thus
  • the nozzle bar (16) may have an end wall with a
  • the projection may be distanced a bit upwards, so that the body bottom (21) gem.
  • Figure 8 can be inserted axially under the projection.
  • FIG. 9 shows the second nozzle variant, which differs from the aforementioned first variant by a perforated cover (32) at the inlet opening of the nozzle body (19).
  • the cover (32) is formed, for example, as a perforated plate, the angled upwards, edge-side Holding elements (18) of the nozzle bar (16) can be held and secured.
  • Embodiments Transverse stiffeners, e.g. in the form of built-in or welded transverse ribs, be arranged in the interior of the nozzle body (19).
  • Another modification relates to the cross-sectional geometry of the shell opening (13) and the nozzle strip (16), in particular its nozzle body (19).
  • the conical shape may be provided a U-shape. Also a V-shape is possible.
  • Opening portion (26) cylindrical or conical
  • cylindrical opening portion at the material web (2) facing outside of the nozzle opening (24) is arranged. He can have a short length.
  • the upper and possibly longer opening area is then suitably formed, e.g. conical, turning to the hollow interior of the
  • the hydroentanglement apparatus (1) can have a planar transport path for the material web (2) and one or more juxtaposed along the transport path

Landscapes

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

Abstract

L'invention concerne une rampe de jets d'eau (10) et un procédé pour un dispositif d'hydroliage (1). La rampe de jets d'eau (10) possède un boîtier (11) creux comportant une enveloppe (12) de boîtier et une ouverture (13) d'enveloppe, ainsi qu'une rampe de pulvérisation (16) située dans le boîtier (11) et présentant une section en forme de cuve avec un corps (19) de pulvérisation, lequel est disposé de manière encastrée dans l'ouverture (13) d'enveloppe.
EP15716752.9A 2014-04-08 2015-04-01 Rampe d'injecteurs et procédé Active EP3129538B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202014101647.3U DE202014101647U1 (de) 2014-04-08 2014-04-08 Düsenbalken
PCT/EP2015/057254 WO2015155104A1 (fr) 2014-04-08 2015-04-01 Rampe de jets d'eau et procédé associé

Publications (2)

Publication Number Publication Date
EP3129538A1 true EP3129538A1 (fr) 2017-02-15
EP3129538B1 EP3129538B1 (fr) 2018-04-18

Family

ID=52875664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15716752.9A Active EP3129538B1 (fr) 2014-04-08 2015-04-01 Rampe d'injecteurs et procédé

Country Status (6)

Country Link
US (1) US10900158B2 (fr)
EP (1) EP3129538B1 (fr)
JP (1) JP6598847B2 (fr)
CN (1) CN106164356B (fr)
DE (1) DE202014101647U1 (fr)
WO (1) WO2015155104A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP4061538A1 (fr) * 2019-11-22 2022-09-28 APTAR France SAS Procede de fabrication d'une paroi de distribution
CN112760806B (zh) * 2020-12-28 2022-01-07 绍兴莱洁新材料科技有限公司 一种医用湿性敷料及其制备方法
DE102021104399A1 (de) * 2021-02-24 2022-08-25 Trützschler GmbH & Co Kommanditgesellschaft Wasserbalken zur Erzeugung von Fluidstrahlen zur hydrodynamischen Verfestigung einer Materialbahn sowie Anlage zur Verfestigung einer solchen
CN114921910B (zh) * 2022-02-11 2023-12-08 杭州优纺新材料有限公司 一种具备高压微细水射流喷射功能的水刺头

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Also Published As

Publication number Publication date
JP2017515994A (ja) 2017-06-15
CN106164356B (zh) 2019-09-06
WO2015155104A1 (fr) 2015-10-15
DE202014101647U1 (de) 2015-07-09
CN106164356A (zh) 2016-11-23
US20170029995A1 (en) 2017-02-02
US10900158B2 (en) 2021-01-26
JP6598847B2 (ja) 2019-10-30
EP3129538B1 (fr) 2018-04-18

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