EP2129821B1 - Système pour traiter des non-tissés - Google Patents

Système pour traiter des non-tissés Download PDF

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Publication number
EP2129821B1
EP2129821B1 EP08706907A EP08706907A EP2129821B1 EP 2129821 B1 EP2129821 B1 EP 2129821B1 EP 08706907 A EP08706907 A EP 08706907A EP 08706907 A EP08706907 A EP 08706907A EP 2129821 B1 EP2129821 B1 EP 2129821B1
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EP
European Patent Office
Prior art keywords
distributor
oder
web
und
sheet
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
EP08706907A
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German (de)
English (en)
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EP2129821B8 (fr
EP2129821A1 (fr
Inventor
Ullrich MÜNSTERMANN
Stefan Krebs
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
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Application filed by Truetzschler Nonwovens GmbH filed Critical Truetzschler Nonwovens GmbH
Priority to PL08706907T priority Critical patent/PL2129821T3/pl
Priority claimed from PCT/DE2008/000310 external-priority patent/WO2008119314A1/fr
Publication of EP2129821A1 publication Critical patent/EP2129821A1/fr
Publication of EP2129821B1 publication Critical patent/EP2129821B1/fr
Application granted granted Critical
Publication of EP2129821B8 publication Critical patent/EP2129821B8/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

Definitions

  • the invention relates to a device for processing nonwovens according to the preamble of claim 1.
  • the EP 1 069 222 A describes a process for the consolidation of nonwovens by means of gaseous working media.
  • the gas jets emerging from the nozzle bar are in a critical flow state. This results in an improved degree of connection in the nonwoven material.
  • From the US 3 113 149 A discloses a method and apparatus for making perforated nonwoven webs.
  • the material to be structured is located on an elevations having base and is exposed to gas jets.
  • the US Pat. No. 3,040,412 also suggests the use of pressurized gas jets to pattern fiber material.
  • the fiber material to be examined is located on a pattern-giving base with correspondingly shaped openings.
  • the US Pat. No. 3,010,179 A uses hot gas jets for the patterning of fiber material, in which case, for example, the temperature-dependent shrinkage behavior is utilized by the fibers contained in the fiber material.
  • the WO 01/63032 A describes a method and apparatus for producing a multi-layer nonwoven fabric.
  • a first carded fleece layer is calendered, on which a pulp layer is laid.
  • the pulp layer is filled with a Covered further carded fleece layer, the composite water-jet needled and then dried.
  • the invention has for its object to improve such a device and to expand the possibilities of nonwoven fabric / nonwoven processing
  • the nozzle openings for the gaseous medium such as inert gas, air, water vapor are arranged in a housing wall of the distributor device and a distance A less than 10 mm, preferably less than 8 mm or 5 mm to the surface of the treated web or the web exhibit.
  • the distributor device is designed as a distributor tube, which is supplied with water vapor. With the help of the steam jet, the fleece can be treated in a cost effective manner. It is also advantageous if the distributor tube is subjected to a vapor pressure of between 5 and 30 bar or 10 and 25 bar.
  • An additional possibility according to the invention is when a length of the nozzle opening corresponds approximately to the thickness of the housing wall. Furthermore, it is advantageous if the distributor device is designed such that it emits the steam jet over its entire working width with approximately the same temperature and / or pressure on the nonwoven or the web.
  • a vapor discharge opening is provided in the region of the end or in the region of the downstream side of the distributor device. It is advantageous in this case if a control valve or a steam outlet valve which can be controlled as a function of one or more parameters is connected to the steam outlet opening.
  • the distributor device and / or the distributor tube is driven to oscillate with the aid of an adjusting device. Another advantage is when the distributor device is exposed to superheated steam.
  • the path G L A + L of the gas or steam jet between 0.1 mm and 5 mm or between 0.5 mm and 3 mm or between 1 mm and 2 mm plus length of the nozzle openings in the Housing wall is long.
  • the cross section in the region of the underside of the distributor tube with the nozzle openings is flattened or conically dented or concave.
  • the device for consolidating fibers and / or webs formed from filaments is arranged between two deflecting rollers of a structuring belt.
  • the apparatus for consolidating fibers and / or webs formed from filaments consists of stainless steel and is accommodated in two or more holders.
  • the nozzle openings are arranged in one, in two or more rows in the manifold.
  • nozzle openings provided in the distributor device or the distributor tube are arranged offset in a row with respect to the nozzle openings of the adjacent and parallel rows.
  • the nozzle openings have an outlet diameter between 0.1 mm to 0.5 mm and the hole spacing between the nozzle openings is between 1 mm and 5 mm or between 1.2 mm and 2 mm.
  • the distributor device or the distributor tube has a length between 1 m and 5 m and is equipped at least on its inlet and / or outlet side with a pipe coupling or a flange connection.
  • the distributor tube is received in a holder in height and / or laterally adjustable.
  • a plurality of devices for solidifying fibers and / or webs formed from filaments are associated with a structuring drum or a structuring belt with the aid of a gaseous medium.
  • the nonwoven is guided over the structuring belt or the patterning drum and the goods are applied from the rear side with the aid of the steam jet, forming surface patterns and / or protruding or raised elements or indentations from the web.
  • a further embodiment of the invention provides a superheater for generating superheated steam, wherein this superheater is controllable to influence the moisture content of the web material at least via an actuator.
  • This can easily the quality of the web be optimally influenced. Due to the advantageously designed superheater, the moisture of the fleece or the web can be optimally adjusted at the end of the individual process steps.
  • the change in the moisture content of the web has an influence on the weight of the web and on the other on the electrical charge. With a high moisture content of the web, the static charge of the web material is reduced. By increasing the moisture content of the web, the subsequent further processing of the web is improved.
  • the superheater is connected to a control or regulating circuit for determining the moisture content of the web material and is adjusted to a corresponding heating temperature as a function of the moisture content of the nonwoven or the web.
  • the sensors are connected to a control or regulating circuit and actual measured values are forwarded to a computer, stored there and compared with the set or desired setpoints, the difference between the actual and setpoint as a control or controlled variable used to adjust the web to a desired moisture.
  • the distributor device and / or a distributor tube are assigned at least device parts for processing and / or forwarding the web material to a next processing or storage station, which is in the immediate vicinity the distribution device are arranged and partially or entirely made of plastic.
  • the pre-consolidation is also particularly suitable in order to avoid distortion of the fleece at the transfer points of the individual process stages at high production speeds and thus does not worsen the MD / CD ratio presented by the carding machine.
  • the fleece With the help of the steam jet, the fleece can be treated in a cost effective manner.
  • the surface of the nonwoven can be treated again in a cost-effective manner and can be made more grip-less or fluffier. It is particularly advantageous if the needling device is located immediately in front of the dryer.
  • the gaseous medium such as inert gas, air and / or water vapor is applied to the web or the web instead of the usual hydroentanglement and the web can be easily transported to the next processing station after the first edition of Vliesfaserstoffe or the card.
  • the device parts of the distributor device and / or the distributor tube at least one conveyor belt and / or Vernadelungsband heard, which is arranged below the distributor device and partially or entirely made of plastic or coated with plastic, wherein a distance between the outlet end of the nozzle openings in a housing wall and the point of impact of the gaseous medium such as inert gas, air and / or water vapor on the product to be loaded or the fleece between 0.5 mm and 8 mm or between 1 mm and 5 mm. If only a very small change in the surface of the fleece can be achieved, the distance is set over 20 mm.
  • the distance is increased, the effect of the gas or vapor jets corresponding to, with which a solidification of the web is achieved.
  • the structure of the nonwoven fabric can be influenced in an advantageous manner and thereby also the fluffiness of the nonwoven fabric can be improved.
  • the nonwoven surface is changed so that you no longer recognize the grooves or impact points of the jet on the surface of the web.
  • the distributor device and / or the distributor tube can be driven in an oscillating manner by means of an adjusting device.
  • the distributor device is designed as a manifold, which is acted upon by superheated steam and a vapor pressure between 5 and 30 bar or between 10 and 25 bar.
  • the distance between nozzle and nonwoven is between 1 mm and 2 mm. At very large distances, it comes to a turbulence, so exactly opposite to the solidification. However, this may also be desired for a product in order to make it more voluminous.
  • the fleece can also be treated with water needling and then with a dryer.
  • the dryer can be saved when the web is needled with superheated steam. In this case, it is also possible to use non-synthetic fibers or products which should not be exposed to excessive moisture or heat.
  • Fig. 6 is the overall system of a device 1 or 1.1 for solidification of fibers and / or filaments formed from nonwovens shown. It consists essentially of a hardening drum or structuring drum 3 on the according to Fig. 2 a needling 4 is guided. The fibers and / or the fleece formed from filaments is supplied to the hardening drum or structuring drum 3 via a compacting device 6 which is only partially shown in the drawing. For this purpose, the compacting device 6 on a conveyor belt 6.1. From the consolidation or structuring drum 3, the web can be supplied to further processing stages.
  • the solidification drum 3 has a suction device 3.1, via which the gaseous medium is removed.
  • the apparatus 1 for consolidating fibers and / or filaments formed from filaments comprises one or more distributor devices 2, which is supplied with a gaseous medium or with water vapor at an inflow side 7 of the distribution devices 2.
  • the distributor devices 2 are arranged adjustable in height by means of a lifting device 2.11 in order to change the distance between the surface of a web 11 and the outlet end of a nozzle opening 2.2 as needed.
  • the apparatus 1 for preconsolidating fibers and / or webs formed from filaments is provided between two deflecting rollers 4.1 of the structuring belt 4.
  • the still unconsolidated bulky web 11 is compressed between the two strands and coarsely consolidated in this compressed state by the steam jets before undergoing its final consolidation with a second or further distribution device.
  • the distributor device 2 is part of a needling device which can be operated with a gaseous medium such as inert gas, hot air or steam at a temperature between 150 ° C and 250 ° C, preferably above the saturation temperature.
  • a gaseous medium such as inert gas, hot air or steam
  • the distributor device 2 is designed as a distributor tube 2.4, according to Fig. 1a with water vapor and, as already mentioned, can be acted upon with another gaseous medium.
  • the distribution pipe 2.4 is made of corrosion-resistant steel or stainless steel and has a length of approximately 1 m to 5 m.
  • the manifold 2.4 is equipped with a pipe coupling or according to the drawing with a flange 9, so that can be connected to the flange 9 each have a further line or valves.
  • the distributor tube 2.4 is received in a holder 5 schreibnund / or adjustable side.
  • the supply of steam is carried out according to Fig. 1b by a first upstream, parallel distribution pipe 2.6, which is connected via a plurality of connecting lines 2.7 with the third distribution pipe 2.4.
  • the cross section in the region of the underside of the distributor tube 2.4 can be flattened with the nozzle openings 2.2 (FIG. Fig. 3b ) or conically dented or concave ( Fig. 3c ) be formed.
  • the nozzle openings 2.2 can be arranged in one, in two or more rows in the manifold 2.4.
  • the distributor tube 2.4 can be acted upon with a vapor pressure between 5 and 30 bar or 10 and 25 bar.
  • the setting of the vapor pressure can be changed by means of a control device not shown in the drawing.
  • the distributor device 2 is designed such that it delivers the steam jet to the nonwoven or the web 11 over its entire working width with approximately the same temperature and / or the same pressure.
  • a steam discharge opening 3.2 (FIG. Fig. 4 ) or a steam discharge valve 2.5 ( Fig. 1a ), so that cold air can be forced out of the distributor device 2 when the system is put into operation, when the distributor device 2 is supplied with water vapor. In this way, the system is brought to the required operating temperature with little energy in a very short time.
  • a control valve or a controllable depending on one or more parameters steam release valve (control valve) 2.5 may be connected.
  • the distributor tube 2.4 is designed as a single-walled tube and the nozzle openings 2.2 are embedded directly in a housing wall 2.1.
  • the vapor pressure is reduced by the dynamic pressure loss until it is virtually depressurised at the exit from the nozzle bore, but still retains its kinetic energy. Only when the nozzle jet leaves the nozzle bore 2.2, also reduces its kinetic energy by the beam gradually widens fan-shaped. Therefore, it is advantageous that a distance A between the outlet end of the nozzle openings 2.2 in the housing wall 2.1 and the point of impact of the steam jet on the goods to be acted upon or the fleece 11 is as small as possible.
  • the distribution of the steam takes place via the first distributor pipe 2.6, which is connected via the connecting lines 2.7 to a second distributor pipe 2.9, which is connected to the third distributor pipe 2.4 extending parallel to the first and second distributor pipes 2.6, 2.9.
  • the distribution pipes 2.4, 2.6, 2.9 may have differently shaped cross-sectional shapes.
  • Fig. 1b can be provided in the first manifold 2.6 in addition constrictions that change the cross section of the manifold 2.6 continuously or stepwise to an inflow 7.1 and 7.2 out or down.
  • the change in cross section can be achieved with the aid of a cone-shaped installation body 2.10, which is designed as a solid or closed hollow body and is flowed around by the steam.
  • a cone-shaped installation body 2.10 which is designed as a solid or closed hollow body and is flowed around by the steam.
  • cone-shaped 2.10 or internals of similar shapes may be provided in the first manifold 2.6 to improve vapor distribution.
  • steam supply according to the arrows 7.1, 7.2 steam supply according to the arrows 7.1, 7.2, a uniform vapor pressure distribution in the manifold 2.6 is ensured.
  • the steam discharge opening 3.2 can thus be dispensed with, since the steam no longer propagates longitudinally but transversely to the distributor pipe 2.4 and the condensate formed or residual air remaining in the distributor pipe can be displaced very well downwards out of the nozzle bores 2.2 when the overall apparatus is started up.
  • Fig. 6 is a further embodiment of an apparatus 1 for solidification of fibers and / or filaments formed from nonwovens shown.
  • the needling device is provided between two deflection rolls 4.1 of the structuring strip 4, which lie very close to each other. The distance is chosen so that only one needling between the guide rollers 4.1 can be provided.
  • two or more needling devices or associated distribution pipes 2 may be provided between two guide rollers 4.1.
  • deflection rollers 4.1 further needling devices can be provided, which can act on the fleece 11 either only from one or both sides.
  • SAP superabsorbent polymers
  • plastics are meant that are capable of many times their own weight - up to 1000 times - to liquid, usually water or distilled water, absorb.
  • the powder is mainly used in the manufacture of diapers but also of feminine hygiene products, incontinence care and in small quantities also in cable sheathing for deep sea pipelines.
  • the powder or SAP can be applied to the surface of the fleece and covered with the aid of a second layer, wherein the two layers are needled in a method step according to the invention.
  • the superabsorber is a copolymer of acrylic acid (propionic acid, C 3 H 4 O 2 ) and sodium salt (sodium salt of acrylic acid, NaC 3 H 3 O 2 ), it being possible for the ratio of the two monomers to vary from one another.
  • a so-called core crosslinker core-crosslinker, CXL
  • CXL core-crosslinker
  • SXL surface cross-linking
  • the basis weight is advantageously between 35 g / m 2 and 45 g / m 2 and with a total thickness of the web of 0 , 5 mm 40 gsm.
  • the total thickness of the web may be less than 1.2 mm in one-sided solidification or may have a thickness of 0.2 to 1.0 mm or 0.3 to 0.8 mm or 0.4 to 0.6 mm. For bilateral solidification, these values may be higher.
  • Fig. 7a to 7f there are various possible variations of the arrangement of the device parts of the apparatus for solidifying fibers and / or filaments formed from filaments with a similar device according to FIG Fig. 1 or 6 shown schematically, wherein in this arrangement, the water needle device 16 is still assigned.
  • the vertical arrows correspond to the distributor tube 2 or the needling device for solidifying fibers and / or webs formed from polymer filaments or the web with the aid of a gaseous medium such as inert gas, air and / or water vapor, the hollow-shaped over the numerous nozzle openings 2.2 having Distributor device 2 on the web incident.
  • Reference numeral 3 corresponds to a solidification drum or patterning drum which may be associated with one or more beam hardening means.
  • the distributor tube 2 can be insulated and for this purpose be provided with a sheath, not shown in the drawing, which completely surrounds the distributor tube 2 into the region of the nozzle openings 2.2.
  • the steam comes from an evaporator and is passed through a superheater 7.3 as superheated steam to the manifold 2.
  • the water vapor comes from an evaporator and is made according to Fig. 1 b via a superheater 7.3 passed as superheated steam to the manifold 2.
  • the superheater 7.3 for determining the desired humidity can be controlled according to the user-specified parameter settings for determining the moisture content of the web at least via an actuator which is in operative connection with a temperature sensor and / or a moisture sensor, so that the web or the fleece the optimal humidity can be adjusted. If the humidity is set to a certain value, the electric charge can also be favorably influenced and reduced in a simple manner.
  • the superheater 7.3 can be formed as an electric or gas-powered superheater. Furthermore, the temperature of the superheater for influencing the moisture content of the web material by means of the control or regulating device can be changed.
  • the superheater 7.3 is according to Fig. 1b is connected to the inlet side of the distributor device 2 and heats or overheats the medium entering the distributor device, such as water vapor, to a desired temperature, so that the web material supplied with the gaseous medium can be adjusted to the desired humidity.
  • the determined actual measured values are forwarded to a computer, stored there and compared with the settable or desired setpoint values. The difference The actual and setpoint value serves as a controlled or controlled variable for adjusting the web to a desired moisture content.
  • the carrier fleece may consist of the polyester fibers and / or polypropylene fibers or a fiber mixture, which is added to the conveyor belt 4 via the fleece laying device or the first carding machine 10.
  • the carding machine 10 consists of a box feeder with a shaking slide arranged underneath, which transfers the fibers of the carding machines with scraping and tear rollers 17, which spread uniformly over the width.
  • the following endless belt 4 transfers the laid carded web of the needling device 2 instead of a calendering device.
  • a calender 19 can according to Fig. 7e then be saved if no synthetic fibers are used or if not wet but needled only with superheated steam.
  • the calender 19 may, as desired, provide with energy and heat a finely embossed, consolidated nonwoven.
  • the solidification effect should only be slight, so that the pulp still forms an intimate bond with the carded fiber fleece by means of needling.
  • FIG. 7a to 7f and 8th Similar embodiments of the device 1 for consolidating fibers and / or formed from polymer filaments nonwovens or two- or multi-layer composite nonwovens are shown, wherein in all examples, the amount of fiber using the first feeder or carding machine 10 as web or fleece 11 on the 4, a gaseous medium such as inert gas, air and / or water vapor or, in particular, superheated steam can be conducted onto the surface of the nonwoven on the hollow-shaped first steam needling device or distributor device 2 having numerous nozzle openings 2.2.
  • a gaseous medium such as inert gas, air and / or water vapor or, in particular, superheated steam
  • Fig. 7a to 7b is a continuum plant for producing a composite nonwoven fabric with only one carded web as a carrier pad shown.
  • Behind the tear rollers 17 is the first needling device 2 for inert gas, air and / or water vapor, which is followed by the air laying device Airlay device 14 for Pulp.
  • the fleece With the first needling device 2 for inert gas, air and / or water vapor, in particular superheated steam, the fleece is solidified in such a way that it can be readily fed to a subsequent conveying device, since it already has a low strength.
  • the pre-consolidation is also particularly suitable in order to avoid distortion of the fleece at the transfer points of the individual process stages at high production speeds and thus does not worsen the MD / CD ratio presented by the carding machine.
  • Vliesvorverfest By Vliesvorverfest only inevitable delays at the transfer points of the individual process stages can be minimized at high production speeds, so that the presented by the carding MD / CD ratio is not deteriorated.
  • the second nonwoven layer is deposited with the aid of the second carding 10.2 on the conveyor belt or endless belt 4 and then applied to the two nonwoven layers by means of the first water needling 16 and connected to each other. Subsequently, the nonwoven according to Fig. 7a the dryer 12 and then the depositing 15 fed.
  • Fig. 7b instead of the water needling device 16, only the steam needling device 2 is used.
  • This has the advantage, among other things, that only natural fibers or a mixture of natural fibers and synthetic fibers and / or also biofibers can be used and solidified with the aid of the steam needling device 2. Since only steam needling is used according to this example, it is possible to dispense with the very expensive dryer or sieve drum device 12.
  • the sieve drums according to the arrows is assigned directly to the front side of the fan.
  • the dryer 12, the calender 19 can connect.
  • the calender is advantageously used in the processing of synthetic fibers.
  • Fig. 7a only needs the roller of the calender, which rests on the carded web to be heated.
  • Fig. 7c is also a continuum plant for producing a composite nonwoven fabric with a carded web as a carrier pad shown.
  • the second carding 10.2 is placed on this after application of the pulp layer, so that a three-layered composite is formed.
  • the carding 10.2 or the fleece 11 is supplied via the pulleys 4.1 two successively connected Wasservernadelungs Rheinen 16 and then the dryer 12. As a result, particularly thick layers can be easily interconnected. Since the Dampfvernadelungs worn 2 is provided after the tear rollers 17, 10 natural fibers or a mixture of natural fibers and synthetic fibers and / or biofibers can be placed on the conveyor belt 4 at the feed point.
  • Fig. 7d is also a continuum plant for producing a composite nonwoven fabric with only one carded web as a carrier pad shown.
  • the second carding 10.2 is placed on the pulp layer, so that also a three-layered composite is formed, but only with the help of the first Dampfvernadelungs wornen 2 directly after the second carding 10.2 and the two successively arranged Dampfadeladelungs wornen 2 after the deflection roller 4.1 is treated.
  • This makes it possible that in this composite also natural fibers or a mixture of natural fibers and synthetic fibers and / or biofibers can be used.
  • the elaborate dryer 12 can be dispensed with if the product is treated only with superheated steam or superheated steam, since the product leaves the steaming devices 2 in the dry state.
  • the finished web is then stored or fed to the take-up device 15.
  • each a continuum plant for producing a composite nonwoven fabric with only one carded web is shown as a carrier pad.
  • Figs. 7e and 7f is provided directly behind the second carding 10.2 the steam-spreader 2 and then the web 11 according to Fig. 7e the two successively arranged Wasservernadelungs noticeden 16, then the dryer 12, possibly the calender 19 and finally the depositing point 15 fed.
  • the water needling devices 16 according to Fig. 7e be according to Fig. 7f replaced by two Dampfvernadelungs wornen 2 and the dryer 12 is omitted.
  • the method for producing a composite nonwoven for receiving and storing liquids can be carried out.
  • the composite fleece consists of a carded web which is treated for consolidation.
  • the solidified carded web is given a pulp layer of wood pulp fibers, which is brought into firm contact with the carded web.
  • the carded web is dry preconsolidated prior to coating with the superabsorbent material, then the layer of pulp fibers is placed on this preconsolidated carded web and all bonded together.
  • the preconsolidation can be carried out with compressed air, advantageously with superheated superheated steam. Furthermore, the pre-consolidation can be generated by calendering. However, the calender is not suitable for all fibrous materials, which is why the steam needling is particularly advantageous.
  • connection of the cellulose fiber layer with the carded web can also be produced by means of hydrodynamic needling and the composite nonwoven then dried.
  • hot steam is preferably used, so that as many as possible fiber mixtures or superabsorbers can be used, which are not adversely affected by the superheated steam.
  • Fig. 1a to 3c and Fig. 5 consist of the device parts for processing and / or forwarding the web to a next processing or storage station, which are arranged in the immediate vicinity of the distribution device 2, partially or entirely made of plastic.
  • the device parts of the distributor device 2 and / or the distributor tube 2.4 include, in particular, the deflection rollers or deflection rollers 4.1 of the individual conveyor belts 4, the compacting device and also those parts which are directly or indirectly exposed to the superheated steam. This is to ensure that the components, parts of the device or the entire device does not heat up too much during operation of the device and thus deprive the steam heat energy, as far as possible the railway goods to be supplied.
  • the overall efficiency of the system can be significantly improved and the web material can be effectively treated or edited.
  • An optimal needling of the fleece is achieved at a distance of about 1mm.
  • the steam jet has its optimum effect and the heat losses are low, since the plastic parts or the plastic-coated parts, which are exposed to the action of the steam jet or its heat energy, store little heat.
  • plastic PE PET or plastic composite material can be used.
  • the plastic sheathing should be correspondingly high with respect to the material thickness. It is advantageous if the thickness of the casing corresponds to approximately 20 to 50% of the thickness of a sheet metal part.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Claims (12)

  1. Système pour le traitement de non-tissés composés de fibres et / ou de filaments ou d'autres bandes textiles, constitué d'un dispositif distributeur (2) tubulaire creux pourvu d'une pluralité d'ouvertures de sortie (2.2), permettant de soumettre le non-tissé ou la bande textile à l'action d'un agent gazeux, lesdites ouvertures de sortie (2.2) étant ménagées dans une paroi de carter (21) du dispositif distributeur (2) faisant face au non-tissé ou à la bande textile, caractérisé
    en ce que le dispositif distributeur (2) est réalisé sous forme de tube distributeur (2.4), en ce que ledit tube distributeur (2.4) est réalisé sous forme de tube à une seule paroi et les ouvertures de sortie (2.2) sont ménagées dans la paroi de carter (2.1), et
    en ce que, dans la partie inférieure du tube distributeur (2.4) présentant les ouvertures de sortie (2.2), la section est aplatie, à enfoncement conique ou concave.
  2. Système selon la revendication 1, caractérisé en ce que l'amenée de l'agent gazeux est effectuée au moins au moyen d'un premier tube distributeur (2.6) monté parallèlement en amont, lequel est raccordé au tube distributeur (2.4) par plusieurs conduites de connexion (2.7).
  3. Système selon la revendication 1, caractérisé en ce que la course GL=A+L du jet de vapeur de l'intérieur du tube distributeur (2.4) à la surface du non-tissé ou de la bande textile est comprise entre 0,1 mm et 5 mm, plus la longueur L des ouvertures de sortie (2.2) dans la paroi de carter (2.1).
  4. Système selon l'une des revendications précédentes, caractérisé en ce que le tube distributeur (2.4) est pourvu d'un raccord ou d'une connexion à bride sur con côté d'admission (7) et / ou de sortie (8),
  5. Système selon l'une des revendications précédentes, caractérisé en ce que le tube distributeur (2.4) est monté de manière à être réglable en hauteur et / ou latéralement dans un support (5).
  6. Système selon l'une des revendications précédentes, caractérisé en ce que des conicités sont en outre prévues dans le premier tube distributeur (2.6), qui modifient, en la rétrécissant de préférence, la section du premier tube distributeur (2.6) vers le côté d'admission et à distance de celui-ci ((7.1), (7.2)).
  7. Système selon l'une des revendications précédentes, caractérisé en ce que l'amenée de vapeur est effectuée au moyen d'un surchauffeur (7.3), et en ce que le surchauffeur (7.3) peut être commandé au moins par un actionneur pour modifier la saturation en humidité du non-tissé ou de la bande textile.
  8. Système selon la revendication 10, caractérisé en ce que la température du surchauffeur (7.3) est variable au moyen d'un dispositif de commande et/ou de réglage pour modifier la saturation en humidité de la bande textile, la température du surchauffeur (7.3) et l'humidité du non-tissé ou de la bande textile étant saisies chacune au moyen d'au moins un capteur de mesure, lesdits capteurs de mesure étant raccord au dispositif de commande et/ou de réglage.
  9. Système selon l'une des revendications précédentes, caractérisé en ce qu'au moins une pièce affectée au dispositif distributeur (2) et/ou au tube distributeur (2.4) pour le traitement et/ou le transfert du non-tissé ou de la bande textile est composée partiellement ou totalement de matière plastique.
  10. Système selon la revendication 12, caractérisé en ce qu'au moins un galet de renvoi ou un rouleau de renvoi du tapis de transport (4) est composé partiellement ou totalement de matière plastique, ou est revêtu de matière plastique.
  11. Système selon la revendication 12, caractérisé en ce qu'un tapis de transport ou d'aiguilletage (4) affecté au dispositif distributeur (2) est composé au moins partiellement de matière plastique, ou est revêtu de matière plastique.
  12. Système selon l'une des revendications précédentes, caractérisé en ce qu'un séchoir (12) et, contre celui-ci, un ou plusieurs dispositifs de réhumidification (20) sont disposés en aval d'un dispositif distributeur (2) pour soumettre le non-tissé ou la bande textile à l'action d'un agent gazeux.
EP08706907A 2007-03-29 2008-02-21 Système pour traiter des non-tissés Not-in-force EP2129821B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08706907T PL2129821T3 (pl) 2007-03-29 2008-02-21 Urządzenie do obróbki włóknin

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE102007015564 2007-03-29
DE102007017957 2007-04-17
DE102007031163 2007-07-04
DE102007034902 2007-07-24
DE102007036464 2007-08-01
DE102007036579 2007-08-02
PCT/DE2008/000310 WO2008119314A1 (fr) 2007-03-29 2008-02-21 Système pour traiter des non-tissés

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EP2129821A1 EP2129821A1 (fr) 2009-12-09
EP2129821B1 true EP2129821B1 (fr) 2011-08-24
EP2129821B8 EP2129821B8 (fr) 2012-02-29

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JP (1) JP5509065B2 (fr)
CN (1) CN101652509B (fr)
AT (1) ATE521744T1 (fr)
ES (1) ES2372375T3 (fr)
PL (1) PL2129821T3 (fr)

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JP5489941B2 (ja) * 2010-09-30 2014-05-14 三菱化学エンジニアリング株式会社 高圧蒸気噴出ノズルと同噴出ノズルを使った繊維シート状物の加工方法
JP5591648B2 (ja) * 2010-09-30 2014-09-17 三菱化学エンジニアリング株式会社 繊維シート状物加工処理用の高圧蒸気噴出ノズルと同噴出ノズルを使った繊維シート状物の加工処理方法
JP5966585B2 (ja) * 2012-05-11 2016-08-10 トヨタ紡織株式会社 シート材料の搬送装置
CN103993440B (zh) * 2014-06-06 2016-01-13 张家港宇新羊毛工业有限公司 一种羊毛毛条出条架圆网加湿装置
CN104890339B (zh) * 2014-12-29 2017-04-19 杭州协业超纤有限公司 湿法复合布装置及生产复合布的方法
DE102015111340A1 (de) * 2015-07-14 2017-01-19 TRüTZSCHLER GMBH & CO. KG Anlage und Verfahren zur Herstellung eines mehrschichtigen Vlieses aus mindestens einem unverfestigtem Faserflor
CN105671823A (zh) * 2016-04-15 2016-06-15 吴江市元通纺织品有限公司 一种纺织品的加湿装置
CN106288108A (zh) * 2016-10-26 2017-01-04 吴江市晓昱喷气织造有限公司 一种纺织车间的加湿机构
DE102017126753A1 (de) * 2017-11-14 2019-05-29 Autefa Solutions Germany Gmbh Überwachungstechnik für Vliesfabrikationsanlagen
JP7081121B2 (ja) 2017-11-16 2022-06-07 凸版印刷株式会社 医薬品搬送用治具
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CN108252003A (zh) * 2018-03-28 2018-07-06 泉州市创达机械制造有限公司 一种湿巾无纺布加湿装置

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JP2010522830A (ja) 2010-07-08
ATE521744T1 (de) 2011-09-15
CN101652509B (zh) 2011-07-20
CN101652509A (zh) 2010-02-17
EP2129821B8 (fr) 2012-02-29
ES2372375T3 (es) 2012-01-19
PL2129821T3 (pl) 2012-01-31
JP5509065B2 (ja) 2014-06-04
EP2129821A1 (fr) 2009-12-09

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