EP3575470A1 - Dispositif de fabrication d'un tissu non-tissé à partir de filaments continus - Google Patents

Dispositif de fabrication d'un tissu non-tissé à partir de filaments continus Download PDF

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Publication number
EP3575470A1
EP3575470A1 EP18174523.3A EP18174523A EP3575470A1 EP 3575470 A1 EP3575470 A1 EP 3575470A1 EP 18174523 A EP18174523 A EP 18174523A EP 3575470 A1 EP3575470 A1 EP 3575470A1
Authority
EP
European Patent Office
Prior art keywords
flow
filaments
cooling
flow channels
cooling air
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
EP18174523.3A
Other languages
German (de)
English (en)
Other versions
EP3575470B1 (fr
Inventor
Michael Nitschke
Tristan Kretschmann
Martin Neuenhofer
Hans-Georg Geus
Detlef Frey
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.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
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
Priority to DK18174523.3T priority Critical patent/DK3575470T3/da
Application filed by Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority to EP18174523.3A priority patent/EP3575470B1/fr
Priority to SI201830170T priority patent/SI3575470T1/sl
Priority to ES18174523T priority patent/ES2841727T3/es
Priority to JP2019081747A priority patent/JP7168517B2/ja
Priority to CA3041248A priority patent/CA3041248C/fr
Priority to MYPI2019002375A priority patent/MY193453A/en
Priority to AU2019202944A priority patent/AU2019202944B2/en
Priority to MX2019005374A priority patent/MX2019005374A/es
Priority to CONC2019/0004689A priority patent/CO2019004689A1/es
Priority to ARP190101222A priority patent/AR114883A1/es
Priority to PE2019000936A priority patent/PE20191854A1/es
Priority to TNP/2019/000154A priority patent/TN2019000154A1/en
Priority to KR1020190057387A priority patent/KR102399905B1/ko
Priority to BR102019010160A priority patent/BR102019010160A2/pt
Priority to CL2019001363A priority patent/CL2019001363A1/es
Priority to IL266793A priority patent/IL266793B/en
Priority to RU2019116345A priority patent/RU2739285C2/ru
Priority to UAA201905798A priority patent/UA122948C2/uk
Priority to US16/423,048 priority patent/US11001942B2/en
Priority to CN201910448326.3A priority patent/CN110541242B/zh
Priority to JOP/2019/0119A priority patent/JOP20190119B1/ar
Priority to MA45970A priority patent/MA45970B1/fr
Publication of EP3575470A1 publication Critical patent/EP3575470A1/fr
Application granted granted Critical
Publication of EP3575470B1 publication Critical patent/EP3575470B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • 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
    • D04H13/00—Other non-woven fabrics
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

Definitions

  • the invention relates to an apparatus for producing spunbonded nonwovens from continuous filaments, in particular from continuous filaments of thermoplastic material, wherein a Spinnerette is provided for spinning the continuous filaments and wherein a cooling chamber for cooling the spun filaments with cooling air is present, wherein on opposite sides of the cooling chamber in each case one Air supply cabin is arranged and wherein from the opposite Heilzubowkabinen cooling air is introduced into the cooling chamber and wherein in the air supply booths flow rectifier are provided for rectifying the introduced cooling air.
  • Spunbond fabric means, in the context of the invention, in particular a spunbond nonwoven produced by the spunbond process. Endless filaments differ because of their quasi-endless length of staple fibers having much smaller lengths of, for example, 10 mm to 60 mm.
  • the invention is the technical problem of providing an apparatus for producing spunbonded nonwoven filaments can be produced with the very homogeneous spunbonded, which are at least largely flawless or defect-free, especially at higher throughputs of more than 200 kg / h / m and / or at high yarn speeds.
  • the invention teaches an apparatus for producing spunbonded filaments of continuous filaments - in particular thermoplastic filament continuous filaments -, wherein a Spinnerette is provided for spinning the continuous filaments, wherein a cooling chamber for cooling the spun filaments is present with cooling air, wherein an air supply cabin is arranged in each case on two opposite sides of the cooling chamber, and cooling air can be introduced into the cooling chamber from the opposing air supply booths, wherein in at least one of the two air supply cabins, preferably in each of the two air supply cabins, at least one flow rectifier is provided for rectifying the cooling air flow impinging on the filaments, wherein a flow rectifier has a plurality of transversely to the direction of movement having flow channels oriented along the filaments or the filament stream, these flow channels being delimited by channel walls, wherein the open area of a flow straightener is greater than 85%, preferably greater than 90% and wherein the ratio of the length L of the flow channels to the inner diameter D i of the flow channels L / D
  • the open area of a flow straightener is greater than 91%, preferably greater than 92%, and more preferably greater than 92.5%.
  • Open surface of the flow rectifier relates in particular to the free flow cross-section of the flow rectifier, which is therefore not limited by the channel walls or the thickness of the channel walls and / or possibly arranged between the flow channels or the channel walls spacers.
  • no flow straighteners arranged in the region of the flow rectifier and, above all, arranged in front of or behind the flow straightener with their mesh enter into the calculation of this open surface. Expediently, these flow screens or similar components are ignored when calculating the open area.
  • the open area of a flow straightener be calculated merely by summing the open faces of all flow channels in relation to the total area of the flow straightener.
  • Said open area as well as the total area of the flow rectifier is arranged transversely, in particular perpendicularly or substantially perpendicular to the flow channels and thus forms a cross-sectional area of the flow rectifier.
  • D i is meant the inner diameter of the flow channels. It is thus for a flow channel from a channel wall starting to opposite Channel wall measured. If a flow channel has different diameters with respect to its cross-section, D i means in particular the smallest inner diameter of the flow channel.
  • the smallest inner diameter D i here and below therefore refers to the smallest inner diameter measured in a flow channel, if this flow channel has different inner diameters with respect to its cross section.
  • the smallest inner diameter is measured in a cross section in the form of a regular hexagon between two opposite sides and not between two opposite corners.
  • the ratio of the length L of the flow channels to the inner diameter D i of the flow channels L / D i is 2 to 8, preferably 2.5 to 7.5, preferably 2.5 to 7 and very preferably 3 to 6.5 , According to a particularly recommended embodiment, the ratio L / D i is 4 to 6, in particular 4.5 to 5.5. If a plurality of flow channels different lengths L of the flow channels and / or different inner diameter D i or smallest inner diameter D i of the flow channels should be present, L means the average length and / or D i the mean inner diameter or smallest inner diameter.
  • Machine direction here and below means the direction in which the filaments deposited on a depositing device or on a filing screen belt or the nonwoven filing tray are transported away. It is within the scope of the invention that the two air supply cabins or the flow rectifiers extend transversely to the machine direction (CD direction) and that the cooling air is thus introduced substantially in the machine direction (MD) or counter to the machine direction.
  • the flow rectifiers according to the invention in particular a uniform homogeneousdeluftanströmung across the width of the plant or in CD direction can be achieved.
  • the invention is based on the finding that by influencing the cooling or the cooling air flow in the cooling chamber and in particular by means of a special design of the flow rectifier, a very effective homogenization of the filament deposit or fleece deposit results. Due to the cooling according to the invention and in particular due to the design of the flow rectifier, it is possible to produce surprisingly homogeneous spunbonded non-wovens which are largely defect-free or defect-free. This also applies above all to higher throughputs and higher thread speeds specified below.
  • the cooling air supply for the cooling chamber by suction of the cooling air due to the filament movement or the downward Filamentströmung takes place and / or by active injection or introduction of cooling air, for example by means of at least one blower.
  • the flow rectifiers according to the invention are intended to bring about a directional blowing of the filaments and indeed expediently a transverse blowing, preferably perpendicular to the filament axis or to the flow direction of the filaments. It is also within the scope of the invention that the flow straighteners ensure a uniform or homogeneous cooling air inflow of the filaments.
  • a homogeneous cooling air inflow of the filaments here preferably means a homogeneous or even flow across the width of the device transversely to the machine direction, that is to say via the CD direction.
  • the flow can be fundamentally different. It is recommended that the flow rectifiers according to the invention provide in particular for a uniform alignment of the air flow vectors, wherein expediently the amount of air velocity remains largely unchanged.
  • the inventive design of the Flow straightener fulfills in particular the effect described above of a uniform or directedde Kunststoffanblasung the filaments in the cooling chamber.
  • equal or substantially equal volume flows of cooling air are introduced into the cooling chamber from both opposite air supply cabins. In principle, however, it is also within the scope of the invention that in each case different volume flows of cooling air are introduced into the cooling chamber from both air supply cabins.
  • each air supply cabin is divided into at least two cabin sections, from each of which cooling air of different temperature can be fed.
  • each air supply cabin on two superposed or vertically stacked cabin sections, from which the cooling air is supplied to different temperature.
  • cooling air of the same temperature is introduced into the cooling chamber from two opposite cabin sections of two air supply cabins.
  • each air supply cabin is divided into only two cabin sections, from each of which cooling air of different temperature can be supplied.
  • an air supply cabin has three or more cabin sections, from which cooling air of different temperature can be introduced into the cooling chamber.
  • a flow straightener is provided in the area of each cabin section of the air supply cabins.
  • a flow straightener extends over all cabin sections of an air supply cabin.
  • a flow rectifier extends over the entire height and / or width of the associated air supply cabin or substantially over the entire height and / or width of the associated air supply cabin.
  • a particularly recommended embodiment of the invention is characterized in that at least one flow rectifier has at least one flow sieve on its cooling air inflow side and / or on its cooling air outflow side. It is within the scope of the invention that a flow screen or the surface of a flow screen is arranged transversely and preferably perpendicular or substantially perpendicular to the longitudinal direction of the flow channels of a flow rectifier. EmpfohleneIER has a flow straightener on both its cooling air inflow side and on its cooling air outflow side on such a flow strainer. Conveniently, a flow screen on the cooling air inflow side and / or on the cooling air outflow side of a flow straightener is tensioned or held under prestress or attached.
  • a flow screen on the cooling air inflow side and / or on the cooling air outflow side of the flow rectifier is arranged or rests directly on the flow rectifier.
  • the homogeneous flow of the filaments with the cooling air to be supported is a flow screen on the cooling air inflow side and / or on the cooling air outflow side of the flow rectifier.
  • a flow sieve has a mesh size or an average mesh size of 0.1 to 0.5 mm, advantageously from 0.1 to 0.4 mm and preferably from 0.15 to 0.34 mm.
  • Mesh size here means, in particular, the distance between two opposite wires of the flow sieve or of the sieve fabric of the flow sieve. In particular, with mesh size the smallest distance of two opposite Wires of a mesh meant. If a flow screen has rectangular meshes with rectangular sides of different lengths, mesh size is the distance between the two longer sides of the rectangle.
  • a flow screen has a wire thickness or average wire thickness of 0.05 to 0.35 mm, preferably from 0.05 to 0.32 mm, preferably from 0.06 to 0.30 mm and very preferably from 0.07 to 0 , 28 mm up. It is within the scope of the invention that a flow sieve has the same or the same size stitches or essentially the same or the same size stitches over its screen surface. Appropriately, there is a homogeneous distribution of mesh of the same geometry or of substantially the same geometry over the screen surface.
  • the open area of a flow screen is 15 to 55%, preferably 20 to 50% and preferably 25 to 45%.
  • the open area of the flow sieve means, in particular, the open area of the flow sieve not occupied by the mesh wires and thus the area of the flow sieve that can be flowed through freely by the cooling air.
  • a preferred embodiment of the invention is characterized in that a flow straightener and a flow strainer arranged on its cooling air inflow side and / or on its cooling air outflow side are received by a common frame. This creates, as it were, a solid or stable bond between the flow straightener and the flow screens, which can be fixed as a whole in the air supply cabin.
  • at least one such frame with a flow straightener and at least one flow strainer is arranged on both opposite sides of the cooling chamber or on both air supply cabins.
  • the flow channels of the flow rectifier or the flow rectifier are arranged transversely to the flow direction of the filaments and expediently transversely to the longitudinal middle axis M of the device.
  • the flow channels are oriented perpendicular or substantially perpendicular to the flow direction of the filaments or to the longitudinal center axis M of the device. It is within the scope of the invention that the flow channels are aligned perpendicular or substantially perpendicular to a plane oriented orthogonal to the machine direction (MD) or to a vertical plane running through the longitudinal center axis M of the device. In principle, it is also possible that the flow channels can be arranged obliquely to the mentioned levels.
  • the angle of the oblique orientation of the flow channels of a flow rectifier can be uniform or different. If the orientation or arrangement of the flow channels is mentioned here, this means, in particular, the orientation or arrangement of the longitudinal axes of the flow channels. It is within the scope of the invention that the flow channels of a flow rectifier are linear or substantially linear.
  • a very preferred embodiment of the invention is characterized in that the flow channels of a flow rectifier have a polygonal cross-section and preferably have a quadrangular to octagonal cross-section.
  • a highly recommended embodiment of the invention is characterized in that the flow channels of a flow rectifier are provided with a hexagonal cross-section. For this preferred case, the flow channels are thus configured as honeycomb.
  • the flow channels of a flow rectifier have a round cross-section, wherein the flow channels are preferably formed with a circular or oval cross-section.
  • the circular cross section is preferred.
  • An additional embodiment of the invention is characterized in that the channel walls of the flow channels are formed wing-shaped or wing-wing-shaped.
  • the wing-wing-shaped channel walls in particular exert a trend-setting function with regard to the cooling air flowing through.
  • rectangular or substantially rectangular flow channels are formed between the wing-shaped or wing-wing-shaped channel walls. It is within the scope of the invention that the smallest distance between two adjacent wing-shaped or wing-shaped channel walls is 2 to 15 mm, preferably 3 to 12 mm and preferably 5 to 10 mm.
  • a highly recommended embodiment of the invention is characterized in that the flowed through by the cooling air inside surface of a flow straightener 5 to 50 m 2 , preferably 7.5 to 45 m 2 and preferably 10 to 40 m 2 per square meter flow cross-section of the flow rectifier.
  • the inner surface through which the cooling air flows is calculated from the sum of the areas of the channel walls of the flow channels through which flowed or flowed per square meter flow cross-section of the flow rectifier. It is within the scope of the invention that the flow sieves of the flow rectifier remain unconsidered in the calculation of this flow-through inner surface.
  • the length L of the flow channels of a flow rectifier 15 to 65 mm preferably 20 to 60 mm, preferably 20 to 55 mm and very preferably 25 to 50 mm.
  • the inner diameter or the smallest inner diameter D i of the flow channels 2 to 15 mm preferably 3 to 12 mm, preferably 4 to 11 mm and very preferably 5 to 10 mm.
  • the flow channels are arranged in a flow straightener compact and close to each other.
  • flow channel adjoins the flow channel in a flow straightener, and according to one embodiment, only spacers may be present between the flow channels.
  • the mutual distance of the flow channels or at least the majority of the flow channels is smaller or significantly smaller than the smallest inner diameter D i of a flow channel.
  • the flow channels are arranged in a flow straightener on the principle of closest packing.
  • At least one supply line for the supply of cooling air having a cross-sectional area Q Z is connected to each air supply cabin, wherein this cross-sectional area Q Z of the supply line increases in the transition of the cooling air into the feed booth to a cross-sectional area Q L of the air supply cabin , wherein the cross-sectional area Q L is at least twice as large, preferably at least three times as large and preferably at least four times as large as the cross-sectional area Q Z of the supply line.
  • the cross-sectional area Q Z of the supply line widens to 3 to 15 times to the cross-sectional area Q L of the air supply cabin.
  • the cooling volume flow supplied to an air supply cabin is divided into a plurality of partial volume flows, which flow partial volume flows through separate partial supply lines and / or through the segments of a segmented supply line.
  • the cooling air volume flow can in particular be divided into two to five, preferably divided into two to three partial volume flows.
  • the cross-sectional area Q Z of the sub-supply line widens to the cross-sectional area Q L of the relevant cabin section of the air supply cabin.
  • the cross-sectional area Q L is preferably at least twice as large, preferably at least three times as large as the cross-sectional area Qz of the sub-supply line.
  • the cross-sectional area Q Z of a supply line or a partial supply line increases stepwise-in particular in several stages-or continuously to the cross-sectional area Q L of the air supply cabin or to the cross-sectional area of a cabin section of the air supply cabin.
  • At least one planar homogenizing element for homogenizing the cooling air flow introduced into the air supply cabin is arranged in the air supply cabin in the flow direction of the cooling air upstream of the flow rectifier and at a distance from the flow rectifier. It is within the scope of the invention that a planar homogenization element has a plurality of openings and that the free open area of the planar homogenization element is 1 to 20%, preferably 2 to 18% and preferably 2 to 15% of the total area of the planar homogenization element.
  • At least one homogenizing element is designed as a perforated element, in particular as a perforated plate, with a plurality of perforations, wherein the apertures preferably have an opening diameter of 1 to 10 mm, preferably 1.5 to 9 mm and very preferably 1.5 to 8 mm have.
  • a homogenizing element is formed as a homogenizing screen with a plurality or with a plurality of meshes, wherein the homogenizing screen is preferably Mesh sizes of 0.1 to 0.5 mm, preferably from 0.12 to 0.4 mm and very preferably from 0.15 to 0.35 mm.
  • the at least one planar homogenizing element is arranged at a distance a 1 of at least 50 mm, preferably of at least 80 mm and preferably of at least 100 mm in the flow direction of the cooling air upstream of the flow rectifier of the corresponding air supply cabin or upstream of the flow sieve of this flow rectifier ,
  • a plurality of homogenizing elements are arranged at a distance from the flow rectifier in the flow direction of the cooling air behind one another and at a distance from one another in an air supply cabin.
  • the distance between two homogenizing elements arranged one behind the other in an air supply cabin in the flow direction is at least 50 mm, preferably at least 80 mm and preferably at least 100 mm.
  • the endless filaments are spun out by means of a spinnerette and fed to the cooling chamber with the air supply booths and flow rectifiers.
  • at least one spinning beam for spinning the filaments is arranged transversely to the machine direction (MD direction).
  • the spinning beam is oriented perpendicular or substantially perpendicular to the machine direction. It is within the scope of the invention but also possible that the spinning beam is arranged obliquely to the machine direction.
  • at least one monomer suction device is provided between the spinnerette or the spinning beam and the cooling chamber.
  • a Monomer suction device expediently has at least one suction chamber, to which preferably at least one suction blower is connected. It is recommended that in the flow direction of the filaments to the monomer suction device, the cooling chamber according to the invention with the air supply cabins and flow rectifiers connects.
  • the filaments are introduced from the cooling chamber in a drawing device for drawing the filaments.
  • a drawing device for drawing the filaments.
  • an intermediate channel connects to the cooling chamber, which connects the cooling chamber with a drawing shaft of the drawing device.
  • the unit from the cooling chamber and the drawing device or the unit from the cooling chamber, the intermediate channel and the drawing shaft is formed as a closed system.
  • Closed system means in particular that except the supply of cooling air into the cooling chamber no further air supply takes place in this unit.
  • the flow rectifiers used according to the invention are distinguished, above all, by special advantages in such a closed system.
  • a particularly simple and effective equalization of the air flow or cooling air flow is possible.
  • At least one diffuser adjoins the drawing device in the flow direction of the filaments, the filaments being guided through this diffuser.
  • the diffuser comprises a diffuser cross-section widening in the direction of deposition of the filaments or a divergent diffuser section.
  • the filaments are deposited on a depositing device for storing filaments or for storing fleece.
  • the storage device is expediently around a Ablagesiebband or an air-permeable Ablagesiebband. With the storage device or with the Ablagesiebband the nonwoven web formed from the filaments is conveyed away in the machine direction (MD).
  • the nonwoven web is expediently further treatment measures - in particular a calendering - fed.
  • the device according to the invention is designed or set up with the proviso that it is possible to work with yarn speeds or filament speeds in excess of 2000 m / min, in particular at yarn speeds in excess of 2200 m / min or over 2500 m / min For example, with a yarn speed in the range of 3000 m / min.
  • yarn speeds or filament speeds in excess of 2000 m / min, in particular at yarn speeds in excess of 2200 m / min or over 2500 m / min
  • a yarn speed in the range of 3000 m / min.
  • the figures show a device according to the invention for producing spunbonded nonwovens from continuous filaments 1, in particular from continuous filaments 1 made of thermoplastic material.
  • the device comprises a spinnerette 2 for spinning the continuous filaments 1.
  • These spun continuous filaments 1 are introduced into a cooling device 3 with a cooling chamber 4 and with air supply cabins 5, 6 arranged on two opposite sides of the cooling chamber 4.
  • the cooling chamber 4 and the air supply cabins 5, 6 extend transversely to the machine direction MD and thus in the CD direction of the device. From the opposite air supply cabins 5, 6 cooling air is introduced into the cooling chamber 4.
  • a monomer suction device 7 is arranged between the spinnerette 2 and the cooling device 3 is preferably and in the embodiment. With this monomer suction device 7 can be removed from the device during the spinning process occurring interfering gases. These gases may be, for example, monomers, oligomers or decomposition products and the like substances.
  • the cooling device 3 is followed by a drawing device 8, in which the filaments 1 are drawn.
  • the drawing device 8 preferably and in the exemplary embodiment has an intermediate channel 9 which connects the cooling device 3 to a drawing shaft 10 of the drawing device 8.
  • the unit of the cooling device 3 and the drawing device 8 and the unit from the cooling device 3, the intermediate channel 9 and the drawing shaft 10 is formed as a closed system. Closed system means that except the supply of cooling air in the cooling device 3, no further air supply takes place in this unit.
  • the drawing device 8 is adjoined by a diffuser 11, through which the filaments 1 are guided.
  • secondary air inlet column 12 are provided for the introduction of secondary air into the diffuser 11 between the Verstreckvorrichung 8 and between the drawing shaft 10 and the diffuser.
  • the filaments 1 are preferably deposited and deposited in the exemplary embodiment on a storage device designed as a storage screen belt 13.
  • the filament deposit or the nonwoven web 14 is then expediently conveyed away or transported away in the machine direction MD and in the exemplary embodiment with the deposit screen belt 13.
  • a suction device for sucking air or process air through the storage device or by the Ablagesiebband 13 is provided under the storage device or under the Ablagesiebband 13.
  • a suction region 15 is arranged underneath the storage screen belt 13 and, in the exemplary embodiment, below the diffuser outlet.
  • the Absaug Scheme 15 is at least over the width B of the diffuser outlet.
  • the width b of the suction region 15 is greater than the width B of the diffuser outlet.
  • each air supply cabin 5, 6 is divided into two cabin sections 16, 17, from each of which cooling air of different temperature can be fed.
  • cooling air having a temperature T 1 can be fed in each case from the upper cabin sections 16, while cooling air of the two lower cabin sections 17 can be fed to a temperature T 2 different from the temperature T 1 .
  • a flow rectifier 18 is arranged in each air supply cabin 5, 6 cooling chamber side, which preferably and in the embodiment over both cabin sections 16, 17 each air supply cabin 5, 6 extends.
  • each flow rectifier 18 has a plurality of flow channels 19 oriented perpendicular to the filament flow direction FS. These flow channels 19 are each bounded by channel walls 20 and are preferably formed linear.
  • the open area of each flow rectifier 18 is more than 90% of the total area of the flow straightener 18.
  • each flow rectifier 18 has a flow sieve 21 both on its cooling air inflow side ES and on its cooling air outflow side AS.
  • the two flow sieves 21 of each flow rectifier 18 are arranged directly in front of or behind the flow rectifier 18.
  • a flow sieve 21 has a mesh width w of 0.1 to 0.5 mm, preferably of 0.1 to 0.4 mm and preferably of 0.15 to 0.34 mm. Furthermore, it is advantageous if the flow sieve has a wire thickness d of 0.05 to 0.35 mm, preferably from 0.05 to 0.32 mm and preferably from 0.07 to 0.28 mm.
  • the mesh size w of the flow sieves 21 is substantially smaller than the smallest inner diameter D i of the flow channels 19 of the flow rectifier 18.
  • the mesh width w of a flow sieve 21 is preferably less than 1/6, very preferably less than 1 / 8 and more preferably less than 1/10 of the smallest inner diameter D i of the flow channels 19.
  • the 4 to 6 show typical cross-sections of the flow channels 19 of a flow rectifier 18 used according to the invention according to a recommended embodiment and in the embodiment according to Fig. 4
  • the flow channels 19 of a flow rectifier 18 have a hexagonal or honeycomb-shaped cross-section.
  • the smallest inner diameter D i is here measured between opposite sides of the hexagon (s. Fig. 4 ).
  • the flow channels 19 of the flow rectifier 18 have a circular cross-section.
  • the Fig. 6 shows an embodiment of a flow straightener 18 according to the invention with wing-shaped channel walls 20. These wing-shaped channel walls 20 are expediently and in the embodiment separated by spacers 22, which spacers 22 also form channel walls of these flow channels.
  • the wing-shaped channel walls 20 are arcuately curved in cross section (see right side of Fig. 6 ).
  • the wing-shaped channel walls 20 may also be formed in a straight line, and in this case the flow rectifier 18 is designed like a grid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
EP18174523.3A 2018-05-28 2018-05-28 Dispositif de fabrication d'un tissu non-tissé à partir de filaments continus Active EP3575470B1 (fr)

Priority Applications (23)

Application Number Priority Date Filing Date Title
EP18174523.3A EP3575470B1 (fr) 2018-05-28 2018-05-28 Dispositif de fabrication d'un tissu non-tissé à partir de filaments continus
SI201830170T SI3575470T1 (sl) 2018-05-28 2018-05-28 Naprava za proizvodnjo tkanih polsti iz brezkončnih filamentov
ES18174523T ES2841727T3 (es) 2018-05-28 2018-05-28 Dispositivo de fabricación de velos de hilatura a base de filamentos continuos
DK18174523.3T DK3575470T3 (da) 2018-05-28 2018-05-28 Indretning til fremstilling af filterdug af endeløse filamenter
JP2019081747A JP7168517B2 (ja) 2018-05-28 2019-04-23 無端のフィラメントから成る紡糸フリースを製造する装置
CA3041248A CA3041248C (fr) 2018-05-28 2019-04-25 Appareil de fabrication de non-tisses files-lies a partir de filaments continus
MYPI2019002375A MY193453A (en) 2018-05-28 2019-04-26 Apparatus for making spunbonded nonwovens from continuous filaments
AU2019202944A AU2019202944B2 (en) 2018-05-28 2019-04-26 Apparatus for making spunbonded nonwovens from continuous filaments
CONC2019/0004689A CO2019004689A1 (es) 2018-05-28 2019-05-08 Aparato para la fabricación de telas no tejidas unidas por hilado a partir de filamentos continuos
ARP190101222A AR114883A1 (es) 2018-05-28 2019-05-08 Aparato para la fabricación de telas no tejidas unidas por hilado a partir de filamentos continuos
PE2019000936A PE20191854A1 (es) 2018-05-28 2019-05-08 Aparato para la fabricacion de telas no tejidas unidas por hilado a partir de filamentos continuos
MX2019005374A MX2019005374A (es) 2018-05-28 2019-05-08 Aparato para la fabricacion de telas no tejidas unidas por hilado a partir de filamentos continuos.
TNP/2019/000154A TN2019000154A1 (en) 2018-05-28 2019-05-10 Apparatus for making spunbonded nonwovens from continuous filaments
KR1020190057387A KR102399905B1 (ko) 2018-05-28 2019-05-16 연속적인 필라멘트들로부터 스펀본드식 부직포를 제조하기 위한 장치
BR102019010160A BR102019010160A2 (pt) 2018-05-28 2019-05-17 aparelho para produção de não tecidos fabricados por fiação contínua a partir de filamentos contínuos
CL2019001363A CL2019001363A1 (es) 2018-05-28 2019-05-20 Aparato para la fabricación de telas no tejidas unidas por hilado a partir de filamentos continuos
IL266793A IL266793B (en) 2018-05-28 2019-05-21 A facility for making non-woven fabrics from continuous fibers
UAA201905798A UA122948C2 (uk) 2018-05-28 2019-05-27 Пристрій для виготовлення фільєрного нетканого матеріалу з елементарних ниток
RU2019116345A RU2739285C2 (ru) 2018-05-28 2019-05-27 Устройство для изготовления фильерного нетканого материала из элементарных нитей
US16/423,048 US11001942B2 (en) 2018-05-28 2019-05-27 Apparatus for making spunbonded nonwoven from continuous filaments
CN201910448326.3A CN110541242B (zh) 2018-05-28 2019-05-28 用于由连续长丝制造纺粘型非织造织物的设备
JOP/2019/0119A JOP20190119B1 (ar) 2018-05-28 2019-05-28 جهاز لإنتاج مادة منسوجة من خيوط متصلة
MA45970A MA45970B1 (fr) 2018-05-28 2019-05-28 Appareil pour la fabrication des non-tisses de type file-lie par des filaments continus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18174523.3A EP3575470B1 (fr) 2018-05-28 2018-05-28 Dispositif de fabrication d'un tissu non-tissé à partir de filaments continus

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EP3575470A1 true EP3575470A1 (fr) 2019-12-04
EP3575470B1 EP3575470B1 (fr) 2020-10-21

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US (1) US11001942B2 (fr)
EP (1) EP3575470B1 (fr)
JP (1) JP7168517B2 (fr)
KR (1) KR102399905B1 (fr)
CN (1) CN110541242B (fr)
AR (1) AR114883A1 (fr)
AU (1) AU2019202944B2 (fr)
BR (1) BR102019010160A2 (fr)
CA (1) CA3041248C (fr)
CL (1) CL2019001363A1 (fr)
CO (1) CO2019004689A1 (fr)
DK (1) DK3575470T3 (fr)
ES (1) ES2841727T3 (fr)
IL (1) IL266793B (fr)
JO (1) JOP20190119B1 (fr)
MA (1) MA45970B1 (fr)
MX (1) MX2019005374A (fr)
MY (1) MY193453A (fr)
PE (1) PE20191854A1 (fr)
RU (1) RU2739285C2 (fr)
SI (1) SI3575470T1 (fr)
TN (1) TN2019000154A1 (fr)
UA (1) UA122948C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111663249B (zh) * 2020-06-20 2020-12-22 东阳市奥隆新材料科技有限公司 一种环保熔喷布生产制造工艺
DE102021002945A1 (de) 2021-06-09 2022-12-15 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Kühlen eines laufenden Fadens

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320343A (en) * 1962-08-23 1967-05-16 Schwarza Chemiefaser Process for melt-spinning of synthetic linear high polymers
DE1281629B (de) * 1965-12-07 1968-10-31 Trox Gmbh Geb Blasschacht zur Kuehlung von im Schmelzspinnverfahren hergestellten synthetischen Faeden
DE4014413A1 (de) * 1990-05-04 1991-11-07 Reifenhaeuser Masch Anlage fuer die herstellung einer spinnvliesbahn aus verstreckten kunststoff-filamenten
EP1710329A1 (fr) * 2005-04-07 2006-10-11 Saurer GmbH & Co. KG Procédé et machine de filage et de refroidissement de filaments
EP2738297A1 (fr) * 2012-12-03 2014-06-04 Reifenhäuser GmbH & Co. KG Maschinenfabrik Dispositif et procédé destinés à la fabrication d'une bande de non-tissé en filaments

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982994A (en) * 1958-10-15 1961-05-09 Du Pont Process and apparatus for quenching and steam-conditioning yarn
JPS5696908A (en) * 1980-01-04 1981-08-05 Teijin Ltd Melt spinning method
JPS5735013A (en) * 1980-08-04 1982-02-25 Toray Ind Inc Cooling method of extruded polyamide filament
JPS617579U (ja) * 1984-06-14 1986-01-17 東レ株式会社 糸条冷却装置
US4631018A (en) * 1984-11-01 1986-12-23 E. I. Du Pont De Nemours And Company Plate, foam and screen filament quenching apparatus
DE19535143B4 (de) * 1994-09-30 2006-02-16 Saurer Gmbh & Co. Kg Vorrichtung und Verfahren zur thermischen Behandlung von Fasern
KR960023281A (ko) * 1994-12-08 1996-07-18 이웅열 세섬도 폴리에스테르사의 제조방법
US5672415A (en) * 1995-11-30 1997-09-30 Kimberly-Clark Worldwide, Inc. Low density microfiber nonwoven fabric
JP3554659B2 (ja) * 1997-07-31 2004-08-18 帝人ファイバー株式会社 極細マルチフィラメント糸条用紡糸装置
US6014791A (en) * 1998-02-09 2000-01-18 Soundesign, L.L.C. Quiet vacuum cleaner using a vacuum pump with a lobed chamber
US6168406B1 (en) * 1998-11-25 2001-01-02 Ching-Kun Tseng Yarn-forming filament cooling apparatus
TR200302088T3 (tr) * 2002-02-28 2004-01-21 Reifenhauser Gmbh&Co. Maschinenfabrik Bir dokuma yün hattının sürekli imalatı için tesis
WO2003102278A1 (fr) * 2002-06-03 2003-12-11 Toray Industries, Inc. Dispositif et procede de fabrication de fil
DK1936017T3 (da) * 2006-12-22 2013-11-04 Reifenhaeuser Gmbh & Co Kg Fremgangsmåde og indretning til fremstilling af spunbonded stof af cellulosefilamenter
JP5210575B2 (ja) * 2007-09-10 2013-06-12 三菱レイヨン株式会社 プラスチック光ファイバの製造装置
CN203546223U (zh) * 2013-10-18 2014-04-16 王振海 用于合成丝束冷却的送风装置
ES2744919T3 (es) * 2016-01-27 2020-02-26 Reifenhaeuser Masch Dispositivo y procedimiento para fabricar material tejido a partir de filamentos continuos

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320343A (en) * 1962-08-23 1967-05-16 Schwarza Chemiefaser Process for melt-spinning of synthetic linear high polymers
DE1281629B (de) * 1965-12-07 1968-10-31 Trox Gmbh Geb Blasschacht zur Kuehlung von im Schmelzspinnverfahren hergestellten synthetischen Faeden
DE4014413A1 (de) * 1990-05-04 1991-11-07 Reifenhaeuser Masch Anlage fuer die herstellung einer spinnvliesbahn aus verstreckten kunststoff-filamenten
EP1710329A1 (fr) * 2005-04-07 2006-10-11 Saurer GmbH & Co. KG Procédé et machine de filage et de refroidissement de filaments
EP2738297A1 (fr) * 2012-12-03 2014-06-04 Reifenhäuser GmbH & Co. KG Maschinenfabrik Dispositif et procédé destinés à la fabrication d'une bande de non-tissé en filaments

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DK3575470T3 (da) 2020-12-14
MA45970A1 (fr) 2020-10-28
RU2019116345A3 (fr) 2020-11-27
KR102399905B1 (ko) 2022-05-18
MA45970B1 (fr) 2021-02-26
SI3575470T1 (sl) 2021-01-29
CA3041248A1 (fr) 2019-11-28
UA122948C2 (uk) 2021-01-20
ES2841727T3 (es) 2021-07-09
PE20191854A1 (es) 2019-12-31
KR20190135409A (ko) 2019-12-06
RU2019116345A (ru) 2020-11-27
CN110541242B (zh) 2022-12-02
JP7168517B2 (ja) 2022-11-09
CA3041248C (fr) 2022-11-29
EP3575470B1 (fr) 2020-10-21
US11001942B2 (en) 2021-05-11
MX2019005374A (es) 2019-11-29
CL2019001363A1 (es) 2019-07-19
TN2019000154A1 (en) 2020-10-05
CN110541242A (zh) 2019-12-06
AU2019202944A1 (en) 2019-12-12
IL266793A (en) 2019-08-29
JOP20190119B1 (ar) 2021-08-17
AR114883A1 (es) 2020-10-28
JOP20190119A1 (ar) 2019-11-28
US20190360123A1 (en) 2019-11-28
RU2739285C2 (ru) 2020-12-22
CO2019004689A1 (es) 2020-05-15
MY193453A (en) 2022-10-13
JP2019206791A (ja) 2019-12-05
BR102019010160A2 (pt) 2019-12-10
IL266793B (en) 2021-02-28
AU2019202944B2 (en) 2024-03-28

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