EP0725178A1 - Method and device for drying and shrinking of textile fabric - Google Patents

Method and device for drying and shrinking of textile fabric Download PDF

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Publication number
EP0725178A1
EP0725178A1 EP95810058A EP95810058A EP0725178A1 EP 0725178 A1 EP0725178 A1 EP 0725178A1 EP 95810058 A EP95810058 A EP 95810058A EP 95810058 A EP95810058 A EP 95810058A EP 0725178 A1 EP0725178 A1 EP 0725178A1
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EP
European Patent Office
Prior art keywords
web
guide
treated
goods
another
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Granted
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EP95810058A
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German (de)
French (fr)
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EP0725178B2 (en
EP0725178B1 (en
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Kurt Dr. Müller
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to DE59504261T priority Critical patent/DE59504261D1/en
Priority to EP95810058A priority patent/EP0725178B2/en
Priority to ES95810058T priority patent/ES2126862T3/en
Priority to EP95810185A priority patent/EP0733733A1/en
Priority to TW85100532A priority patent/TW313605B/zh
Priority to BR9600262A priority patent/BR9600262A/en
Priority to TR96/00078A priority patent/TR199600078A1/en
Priority to JP8014543A priority patent/JPH08232163A/en
Priority to RU96101793A priority patent/RU2139378C1/en
Priority to CN96101103A priority patent/CN1083030C/en
Priority to CZ96283A priority patent/CZ28396A3/en
Priority to US08/594,912 priority patent/US5943747A/en
Priority to CA002181962A priority patent/CA2181962C/en
Priority claimed from AU60828/96A external-priority patent/AU719339B2/en
Publication of EP0725178A1 publication Critical patent/EP0725178A1/en
Publication of EP0725178B1 publication Critical patent/EP0725178B1/en
Application granted granted Critical
Priority to GR990400416T priority patent/GR3029330T3/en
Publication of EP0725178B2 publication Critical patent/EP0725178B2/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting

Definitions

  • the invention relates to a method for the continuous drying and shrinking of textile knitted or woven fabric, wherein the moist fabric to be treated is offset and offset against one another within at least one continuous channel formed between at least two endless, air-permeable guide bands for drying on both sides leads to drying air nozzles directed towards each other, and a device for performing this method.
  • the object of the present invention is in particular to provide a method which does not have this disadvantage, i.e. when used, extremely precise webs of material with improved uniformity of the web structure can be produced.
  • the invention further relates to a device for carrying out the method according to the invention as claimed in claim 12.
  • the moist web of material 1 to be treated is guided within a flow channel 4 formed between two endlessly circulating, air-permeable guide belts 2 and 3 for loading and drying on both sides through three successive drying stations 5, 6 and 7 designed in a known manner.
  • drying stations 5, 6 and 7 are provided in a known manner with laterally spaced hot air nozzles 8 and 9, which are directed towards the flow channel 4 and which are transverse to the transport direction D of the tissue web 1 to be treated over the entire width of the two guide belts 2 and 3 extend.
  • the upper hot air nozzles 9 are arranged offset in relation to the lower hot air nozzles 8, seen in the transport direction D of this web 1.
  • the hot air escaping via the hot air nozzles 8 and 9 is sucked in by the fans 12 via the air filters 10 and the heat exchangers 11 after they have acted on the material web 1 to be treated, and is again heated and fed to the respective hot air nozzles 8 and 9.
  • the moist fabric web 1 to be treated is first of all a width stretching device A and then an endlessly circulating tenter frame 13 which is moved forward in the blowing direction at a distance through the passageway 4 in order to achieve as uniform a stretch as possible over its entire width fed and fastened with lead at point B by needling on the tenter frame 13.
  • the width expansion device A as can be seen from FIG. 3, is provided in a known manner with two circumferential groove rollers 14 and 15, which form an expansion gap between them. After this width stretching device A, the web is fed to a needling unit B via several spreading rollers.
  • the wide-stretched fabric 1 is tapered from an initial width F (see FIG narrowing, over the entire respective web width G laterally extending web support and transport unit 30, while still held laterally by the endless, also conically tapering clamping frame 13 and transferred into the inlet of the dryer 5,6,7 .
  • the endlessly circumferential tensioning frame 13 has a left-hand and right-hand web holder 18 or 19, which is provided with needles 16 and 17 for lateral fixation of the web 1 to be treated, and is formed by an endless chain, the rotational speed of which to align the weft direction is individually controllable.
  • one of the two endless chains 18 and 19 is guided in the interior of the through-channel 4 to prevent damage to the upper guide belt 2 by the needles 17 through a guide and cover channel 20 which extends in the longitudinal direction of the guide channel 4.
  • the two web holders 18 and 19 are adjustable in the lateral direction E to adapt the tensioning frame 13 to a specific web width.
  • the guide and cover channel 20 is supported in the vertical direction on the upper and lower guide belts 2 and 3, and is coated with friction-reducing material, such as Teflon®, at its points 21 and 22 which come into contact with the latter.
  • This lateral guidance of the material web 1 to be treated by means of an endlessly rotating tenter frame 13 running through the dryer enables an end product which is extremely uniform in terms of structure, dimensional stability and dimensional stability to be achieved.
  • the outflow direction I of the hot air nozzles 8 and 9 in this zone against the direction of web travel D by an angle ⁇ in the range from 1 to 40 ° runs inclined to a vertical.
  • the blowing strength and the angle of inclination ⁇ are to be coordinated with one another in such a way that, during operation, there is no significant displacement of the areas of the web on the two guide belts 2 and 3.
  • Such a design of the hot air nozzles 8 'and 9' in the shrinking zone of the dryer can significantly increase the compressive force acting on the web 1 to be treated when impacting the respective guide belt 4 or 3 compared to the conventional vertical arrangement of the hot air nozzles.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Continuously drying and shrinking of knitted or woven material (1) entails leading it damp inside a passage (4) formed between two endless upper (2) and lower (3) air-permeable circulating guide belts to be dried from both sides at one or more drying stations (5,6,7) formed by opposing hot air jets (8,9) directed towards and displaced w.r.t one another. The material is fixed at the sides to an endless tenter frame (13) advancing through the passage while being held away from the lower band of the upper belt and the upper band of the lower and hence the blasts of air. Consequently, it runs in a wave shape through the drying stations, i.e. in passing through the blast zone of an individual jet it blows out to lie against the belt further away from the jet. Also claimed is appts. for the process.

Description

Die Erfindung betrifft ein Verfahren zum kontinuierlichen Trocknen und Krumpfen von textiler Maschen- oder Webware, wobei man die zu behandelnde feuchte Ware innerhalb eines zwischen mindestens zwei endlos umlaufenden, luftdurchlässigen Führungsbändern gebildeten Durchlaufkanals zur beidseitigen Trocknung durch mindestens eine von einander gegenüberliegenden, gegeneinander zu und versetzt zueinander gerichteten Heissluftdüsen gebildete Trocknungsstation führt, sowie eine Vorrichtung zur Durchführung dieses Verfahrens.The invention relates to a method for the continuous drying and shrinking of textile knitted or woven fabric, wherein the moist fabric to be treated is offset and offset against one another within at least one continuous channel formed between at least two endless, air-permeable guide bands for drying on both sides leads to drying air nozzles directed towards each other, and a device for performing this method.

Es sind bereits Verfahren der eingangs genannten Art bekannt, die jedoch alle den Nachteil aufweisen, daß die derart behandelte Ware meistens ungleichmäßig verzogen und/oder gekrumpft ist, und somit anschließend einer zusätzlichen relativ aufwendigen Behandlung unterworfen werden muß.Methods of the type mentioned at the outset are already known, but they all have the disadvantage that the goods treated in this way are usually warped unevenly and / or is shrunk, and thus subsequently has to be subjected to an additional, relatively complex treatment.

Aufgabe der vorliegenden Erfindung ist insbesondere die Schaffung eines Verfahrens, welches diesen Nachteil nicht aufweist, d.h. bei dessen Anwendung äußerst formgenaue Warenbahnen mit verbesserter Gleichmäßigkeit der Warenbahnstruktur herstellbar sind.The object of the present invention is in particular to provide a method which does not have this disadvantage, i.e. when used, extremely precise webs of material with improved uniformity of the web structure can be produced.

Diese Aufgabe wird bei einem Verfahren der eingangs genannten Art erfindungsgemäss nach dem Kennzeichen des Anspruchs 1 gelöst.This object is achieved according to the invention in a method of the type mentioned at the outset according to the characterizing part of claim 1.

Vorteilhafte Weiterausgestaltungen des erfindungsgemässen Verfahrens sind Gegenstand der Ansprüche 2 bis 11.Advantageous further developments of the method according to the invention are the subject of claims 2 to 11.

Gegenstand der Erfindung ist ferner eine Vorrichtung zur Durchführung des erfindungsgemässen Verfahrens nach Anspruch 12.The invention further relates to a device for carrying out the method according to the invention as claimed in claim 12.

Vorteilhafte Weiterausgestaltungen der erfindungsgemässen Vorrichtung sind Gegenstand der Ansprüche 13 bis 17.Advantageous further developments of the device according to the invention are the subject of claims 13 to 17.

Nachstehend wird die Erfindung anhand der Zeichnung beispielsweise erläutert. Es zeigt

  • Fig. 1 einen Längsschnitt durch eine beispielsweise Ausführungsform einer erfindungsgemässen Vorrichtung;
  • Fig. 2 in größerem Maßstab einen Schnitt längs der Linie II-II in perspektivischer Darstellung;
  • Fig. 3 in größerem Maßstab eine perspektivische Ansicht der Warenbahn-Breitdehnvorrichtung A in Figur 1;
  • Fig. 4 schematisch eine Draufsicht auf die oberen Trums einer unteren Führungsbandeinheit einer zweiten beispielsweisen Ausführungsform einer erfindungsgemässen Vorrichtung;
  • Fig. 5 schematisch eine perspektivische Ansicht einer die gleichmäßige Verschmälerung der Warenbahn unterstutzenden Warenbahn-Abstütz- und Transporteinheit;
  • Fig.6 schematisch eine Seitenansicht eine weitere beispielsweise Ausführungsform der Führungsbandeinheiten einer erfindungsgemässen Vorrichtung; und
  • Fig. 7 in größerem Maßstab einen Querschnitt durch eine spezielle Ausführungsform der Heissluftdüsen.
The invention is explained below with reference to the drawing, for example. It shows
  • 1 shows a longitudinal section through an example embodiment of a device according to the invention.
  • Figure 2 on a larger scale a section along the line II-II in perspective.
  • 3 shows a perspective view on a larger scale of the web stretching device A in FIG. 1;
  • 4 schematically shows a top view of the upper runs of a lower guide belt unit of a second exemplary embodiment of a device according to the invention;
  • 5 schematically shows a perspective view of a web support and transport unit that supports the uniform narrowing of the web;
  • 6 schematically shows a side view of a further exemplary embodiment of the guide belt units of a device according to the invention; and
  • Fig. 7 on a larger scale a cross section through a special embodiment of the hot air nozzles.

Wie aus Figur 1 ersichtlich, führt man die zu behandelnde feuchte Warenbahn 1 innerhalb eines zwischen zwei endlos umlaufenden, luftdurchlässigen Führungsbändern 2 und 3 gebildeten Durchlaufkanals 4 zur beidseitigen Beaufschlagung und Trocknung durch drei aufeinanderfolgende, auf bekannte Weise ausgebildete Trocknungsstationen 5,6 und 7.As can be seen from FIG. 1, the moist web of material 1 to be treated is guided within a flow channel 4 formed between two endlessly circulating, air-permeable guide belts 2 and 3 for loading and drying on both sides through three successive drying stations 5, 6 and 7 designed in a known manner.

Diese Trocknungsstationen 5,6 und 7 sind auf bekannte Weise mit seitlich voneinander distanzierten, gegen den Durchlaufkanal 4 zu gerichteten Heissluftdüsen 8 respektive 9 versehen, die sich quer zur Transportrichtung D der zu behandelnden Gewebebahn 1 über die gesamte Breite der beiden Führungsbänder 2 bzw. 3 erstrecken.These drying stations 5, 6 and 7 are provided in a known manner with laterally spaced hot air nozzles 8 and 9, which are directed towards the flow channel 4 and which are transverse to the transport direction D of the tissue web 1 to be treated over the entire width of the two guide belts 2 and 3 extend.

Zur Erzielung einer Wellenbewegung in der durch den Durchlaufkanal 4 bewegten, zu behandelnden Warenbahn 1 sind die oberen Heissluftdüsen 9 in Transportrichtung D dieser Warenbahn 1 gesehen gegenüber den unteren Heissluftdüsen 8 versetzt angeordnet.In order to achieve a wave movement in the web 1 to be treated which is moved through the through-channel 4, the upper hot air nozzles 9 are arranged offset in relation to the lower hot air nozzles 8, seen in the transport direction D of this web 1.

Die über die Heissluftdüsen 8 und 9 austretende Heißluft wird nach erfolgter Einwirkung auf die zu behandelnde Warenbahn 1 über die Luftfilter 10 und die Wärmeaustauscher 11 von den Ventilatoren 12 angesaugt und erneut aufgeheizt den jeweiligen Heissluftdüsen 8 und 9 zugeführt.The hot air escaping via the hot air nozzles 8 and 9 is sucked in by the fans 12 via the air filters 10 and the heat exchangers 11 after they have acted on the material web 1 to be treated, and is again heated and fed to the respective hot air nozzles 8 and 9.

Wie insbesondere aus den Figuren 1,2 und 3 ersichtlich, wird die zu behandelnde feuchte Warenbahn 1 zur Erzielung einer möglichst gleichmäßigen Dehnung über deren gesamte Breite zuerst einer Breitendehnvorrichtung A und dann einem endlos umlaufenden, in Blasrichtung mit Abstand durch den Durchlaufkanal 4 vorwärtsbewegten Spannrahmen 13 zugeführt und mit Voreilung an der Stelle B durch Aufnadelung auf dem Spannrahmen 13 befestigt.As can be seen in particular from FIGS. 1, 2 and 3, the moist fabric web 1 to be treated is first of all a width stretching device A and then an endlessly circulating tenter frame 13 which is moved forward in the blowing direction at a distance through the passageway 4 in order to achieve as uniform a stretch as possible over its entire width fed and fastened with lead at point B by needling on the tenter frame 13.

Die Breitendehnvorrichtung A ist, wie aus Figur 3 ersichtlich, auf bekannte Weise mit zwei umlaufenden, zwischen sich einen Dehnspalt bildenden Nutwalzen 14 und 15 versehen. Nach dieser Breitendehnvorrichtung A wird die Warenbahn über mehrere Ausbreitwalzen einer Aufnadelungseinheit B zugeführt.The width expansion device A, as can be seen from FIG. 3, is provided in a known manner with two circumferential groove rollers 14 and 15, which form an expansion gap between them. After this width stretching device A, the web is fed to a needling unit B via several spreading rollers.

Nach der seitlichen Aufnadelung der derart breitengedehnten Warenbahn 1 mittels der Aufnadelungseinheit B in den Spannrahmen 13 wird die breitengedehnte Ware 1 von einer Ausgangsbreite F (siehe Fig.5) aus mittels einer in der Warenbahnabstützebene C betrachtet konisch zulaufenden, bis auf die gewünschte Behandlungsbreite H sich verschmälernden, über die gesamte jeweilige Warenbahnbreite G seitlich sich erstreckenden Warenbahn-Abstütz- und Transporteinheit 30, dabei immer seitlich noch durch den endlos umlaufenden, ebenfalls analog dazu konisch sich verschmälernden Spannrahmen 13 gehalten und bis in den Einlaß des Trockners 5,6,7 überführt.After lateral needling of the fabric web 1, which has been thus wide-stretched, by means of the needling unit B in the tensioning frame 13, the wide-stretched fabric 1 is tapered from an initial width F (see FIG narrowing, over the entire respective web width G laterally extending web support and transport unit 30, while still held laterally by the endless, also conically tapering clamping frame 13 and transferred into the inlet of the dryer 5,6,7 .

Auf diese Weise wird bei der Verschmälerung der Warenbahnbreite F auf die in den Trockner 5,6,7 zugeführte Behandlungsbreite H eine möglichst gleichmäßige Warenbahnausgangsstruktur erzielt, da die Warenbahn 1 bei ihrer Verschmälerung auf den oberen Trums der endlos umlaufenden Transportseiten 31 aufliegt und die letzteren dadurch eine gleichmäßige Verschmälerung der Warenbahn 1 über deren gesamte variierende Breite G unterstützen.In this way, when the width of the web F is narrowed to the treatment width H fed into the dryer 5, 6, 7, a web exit structure that is as uniform as possible is achieved, since the web 1, when narrowed, rests on the upper runs of the endlessly rotating transport sides 31 and the latter thereby support a uniform narrowing of the web 1 over its entire varying width G.

Wie aus Figur 2 ersichtlich, weist der endlos umlaufende Spannrahmen 13 eine zur seitlichen Fixierung der zu behandelnden Warenbahn 1 mit Nadeln 16 bzw. 17 versehene, durch je eine Endloskette gebildete linksseitige und rechtsseitige Warenbahnhalterung 18 bzw. 19 auf, deren Umlaufgeschwindigkeit zur Ausrichtung der Schussfadenrichtung individuell steuerbar ist.As can be seen from FIG. 2, the endlessly circumferential tensioning frame 13 has a left-hand and right-hand web holder 18 or 19, which is provided with needles 16 and 17 for lateral fixation of the web 1 to be treated, and is formed by an endless chain, the rotational speed of which to align the weft direction is individually controllable.

Bei der dargestellten Ausführungsform wird eine der beiden Endlosketten 18 und 19 im Innern des Durchlaufkanals 4 zur Verhinderung einer Beschädigung des oberen Führungsbandes 2 durch die Nadeln 17 durch einen in Längsrichtung des Führungskanals 4 sich erstreckenden Führungs- und Abdeckkanal 20 geführt. Dabei sind die beiden Warenbahnhalterungen 18 und 19 zur Anpassung des Spannrahmens 13 an eine bestimmte Warenbahnbreite in seitlicher Richtung E verstellbar. Selbstverständlich ist es auch möglich, die Warenbahnhalterung 18 innerhalb eines zu 20 analogen Führungs- und Abdeckkanals zwischen dem oben und dem unteren Führungsband 2 bzw. 3 hindurchzuführen.In the embodiment shown, one of the two endless chains 18 and 19 is guided in the interior of the through-channel 4 to prevent damage to the upper guide belt 2 by the needles 17 through a guide and cover channel 20 which extends in the longitudinal direction of the guide channel 4. The two web holders 18 and 19 are adjustable in the lateral direction E to adapt the tensioning frame 13 to a specific web width. Of course, it is also possible to pass the web holder 18 within a guide and cover channel analogous to 20 between the upper and lower guide belts 2 and 3.

Der Führungs- und Abdeckkanal 20 ist in vertikaler Richtung am oberen und am unteren Führungsband 2 bzw. 3 abgestützt, und an seinen mit den letzteren in Berührung gelangenden Stellen 21 und 22 mit reibungsverminderndem Material, wie z.B. Teflon®, beschichtet.The guide and cover channel 20 is supported in the vertical direction on the upper and lower guide belts 2 and 3, and is coated with friction-reducing material, such as Teflon®, at its points 21 and 22 which come into contact with the latter.

Durch diese seitliche Führung der zu behandelnden Warenbahn 1 mittels eines durch den Trockner verlaufenden, endlos umlaufenden Spannrahmens 13, kann ein bezüglich der Struktur, Maßhaltigkeit und Formstabilität äußerst gleichmäßiges Endprodukt erzielt werden.This lateral guidance of the material web 1 to be treated by means of an endlessly rotating tenter frame 13 running through the dryer enables an end product which is extremely uniform in terms of structure, dimensional stability and dimensional stability to be achieved.

Um z.B. bei einer verzogenen Warenbahn 1 die Schussfadenrichtung bzw. die Maschen auf eine senkrecht zur Warenbahnlängsrichtung verlaufende Gerade auszurichten, und/oder über die Warenbahnbreite gesehen zur Erzielung eines homogeneren Endproduktes einen unterschiedlichen Stauch- oder Dehneffekt zu erzielen ist es, wie aus Figur 4 ersichtlich, möglich, anstelle je eines einzigen unteren und oberen Führungsbandes 3 bzw. 2 mehrere schmälere Führungsbänder 3',3'' und 3''' vorzusehen und deren Umlaufgeschwindigkeiten v1, v2 bzw. v3 individuell mit Hilfe einer opto-elektronischen Warenbahnabtastanordnung wie sie z.B. von der Firma Mahlo, BRD, oder Erhard & Leimer, BRD, erhältlich ist, steuert.To e.g. in the case of a warped web 1, aligning the weft direction or the stitches on a straight line running perpendicular to the longitudinal web direction, and / or, viewed across the web width, to achieve a different compression or stretching effect in order to achieve a more homogeneous end product, as can be seen from FIG. 4 , instead of a single lower and upper guide belt 3 or 2 to provide several narrower guide belts 3 ', 3' 'and 3' '' and their rotational speeds v1, v2 or v3 individually with the help of an opto-electronic web scanning arrangement such as is available from the company Mahlo, FRG, or Erhard & Leimer, FRG.

Um die Stauchung oder Dehnung der zu behandelnden Warenbahn 1 gezielter auf eine bestimmte Dichte durchführen zu können, ist es wie aus Figur 5 ersichtlich, auch möglich, anstelle je eines einzigen unteren und oberen Führungsbandes 3 bzw. 4 mehrere, aufeinanderfolgende voneinander unabhängige Führungsbandgruppen 2a, 3a; 2b, 3b und 2c, 3c vorzusehen und deren Umlaufgeschwindigkeiten v1, v2 bzw. v3 gruppenweise individuell mit Hilfe einer opto-elektronischen Warenbahnabtastanordnung zu steuern.In order to be able to carry out the compression or stretching of the material web 1 to be treated to a specific density, it is also possible, as can be seen from FIG. 5, instead of a single lower and upper guide band 3 or 4, several successive, independent guide band groups 2a, 3a; 2b, 3b and 2c, 3c to be provided and their rotational speeds v1, v2 and v3 individually controlled in groups with the aid of an optoelectronic web scanning arrangement.

Um die Krumpfwirkung in der Krumpfzone des Trockners zu verstärken, ist es zweckmäßig, wenn, wie aus Fig. 7 ersichtlich, die Ausströmrichtung I der Heissluftdüsen 8 und 9 in dieser Zone entgegen der Warenbahndurchlaufrichtung D um einen Winkel α im Bereich von 1 bis 40° gegenüber einer Vertikalen geneigt verläuft. Die Blasstärke und der Neigungswinkel α sind dabei derart aufeinander abzustimmen, dass im Betrieb keine wesentliche Verschiebung der auf den beiden Führungsbändern 2 und 3 stellenweise aufliegenden Warenbahnbereiche erfolgt. Durch eine solche Ausbildung der Heissluftdüsen 8' und 9' in der Krumpfzone des Trockners kann gegenüber der herkömmlichen vertikalen Anordnung der Heissluftdüsen eine wesentliche Verstärkung der beim Aufprall auf das jeweilige Führungsband 4 bzw. 3 auf die zu behandelnde Warenbahn 1 einwirkende Stauchkraft erzielt werden.In order to increase the shrinking effect in the shrinking zone of the dryer, it is expedient if, as can be seen from FIG. 7, the outflow direction I of the hot air nozzles 8 and 9 in this zone against the direction of web travel D by an angle α in the range from 1 to 40 ° runs inclined to a vertical. The blowing strength and the angle of inclination α are to be coordinated with one another in such a way that, during operation, there is no significant displacement of the areas of the web on the two guide belts 2 and 3. Such a design of the hot air nozzles 8 'and 9' in the shrinking zone of the dryer can significantly increase the compressive force acting on the web 1 to be treated when impacting the respective guide belt 4 or 3 compared to the conventional vertical arrangement of the hot air nozzles.

Claims (18)

Verfahren zum kontinuierlichen Trocknen und Krumpfen von textiler Maschen- oder Webware, wobei man die zu behandelnde feuchte Ware (1) innerhalb eines zwischen mindestens zwei endlos umlaufenden, luftdurchlässigen Führungsbändern (2,3) gebildeten Durchlaufkanals (4) zur beidseitigen Trocknung durch mindestens eine von einander gegenüberliegenden, gegeneinander zu und versetzt zueinander gerichteten Heissluftdüsen (8,9) gebildete Trocknungsstation (5,6,7) führt, dadurch gekennzeichnet, daß man die zu behandelnde Ware (1) auf einem endlos umlaufenden, in Blasrichtung mit Abstand durch den Durchlaufkanal (4) vorwärtsbewegten Spannrahmen (13) befestigt und derart seitlich fixiert in Wellenform durch die Trocknungsstation (5,6,7) führt, so daß die zu behandelnde Ware (1) im jeweiligen Blasbereich einer einzelnen Heissluftdüse (8,9) vorübergehend am von der letzteren abgewandten Führungsband (2,3) zur Anlage kommt.Process for the continuous drying and shrinking of textile knitted or woven goods, the moist goods (1) to be treated being within a through-channel (4) formed between at least two endless, air-permeable guide belts (2, 3) for drying on both sides by at least one of drying station (5, 6, 7), which is opposite to one another and is directed towards and offset from one another, leads to the fact that the goods (1) to be treated are placed on an endlessly circulating, in the blowing direction, at a distance through the passageway (4) forward-moving clamping frame (13) attached and fixed laterally in such a way in wave form through the drying station (5,6,7), so that the goods to be treated (1) in the respective blowing area of a single hot air nozzle (8,9) temporarily on the guide band (2, 3) facing away from the latter comes to rest. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man die zu behandelnde Ware (1) mit Voreilung auf dem Spannrahmen (13) befestigt.A method according to claim 1, characterized in that the goods (1) to be treated are fastened to the tenter frame (13) with lead. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das untere und/oder das obere Führungsband (3,2) mit einer anderen Geschwindigkeit, vorzugsweise höheren, vorwärtsbewegt wird bzw. werden als der Spannrahmen (13).Method according to claim 1 or 2, characterized in that the lower and / or the upper guide belt (3, 2) is or are moved forward at a different speed, preferably higher, than the tensioning frame (13). Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Umlaufgeschwindigkeiten der linksseitigen und der rechtsseitigen Warenbahnhalterungen (18,19) des Spannrahmens (13) zur Erzielung einer voneinander unterschiedlichen Transportgeschwindigkeit individuell regelbar sind.Method according to one of claims 1 to 3, characterized in that the rotational speeds of the left-hand and right-hand web holder (18, 19) of the tenter frame (13) can be individually regulated to achieve a different transport speed. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß man die zu behandelnde Ware (1) vor deren Abgabe auf den Spannrahmen (13) durch eine Breitendehnvorrichtung (A) leitet.Method according to one of claims 1 to 4, characterized in that the goods (1) to be treated are passed through a width stretching device (A) before they are released onto the tenter frame (13). Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß man die breitengedehnte Ware (1) nach dem Austritt aus der Breitendehnvorrichtung (A) und seitlichen Fixierung im Spannrahmen (13) mittels einer in der Warenbahn-Abstützebene (C) betrachtet konisch zulaufenden, bis auf die gewünschte Behandlungsbreite (H) sich verschmälernden, über die gesamte jeweilige Warenbahnbreite (G) sich erstreckenden Warenbahn-Abstütz-und Transporteinheit (30) weitertransportiert, und die letztere vorzugsweise mehrere seitlich mit Abstand nebeneinander angeordnete, in Transportrichtung sich erstreckende, endlos umlaufende Transportseile oder -bänder (31) aufweist.A method according to claim 5, characterized in that after exiting the width stretching device (A) and laterally fixing in the tenter frame (13), the fabric (1), which has been expanded in width, is viewed as tapering in the web support plane (C), except for the Desired treatment width (H) narrowing, over the entire respective web width (G) extending web support and transport unit (30) transported, and the latter preferably several laterally spaced, extending in the direction of transport, endlessly rotating transport cables or - has bands (31). Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß man ein durch mehrere voneinander unabhängige schmalere Bänder (3',3'',3''') oder Seile gebildetes unteres und/oder oberes Führungsband (3,2) verwendet und deren Umlaufgeschwindigkeiten (v1,v2,v3) vorzugsweise individuell steuert.Method according to one of Claims 1 to 6, characterized in that a lower and / or upper guide band (3, 2) and / or upper guide band (3,2) formed by a plurality of mutually independent narrower bands (3 ', 3' ', 3' '') is used and whose rotational speeds (v1, v2, v3) preferably control individually. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Durchlaufkanal (4) von mehreren voneinander unabhängigen Führungsbandgruppen (2a,3a;2b,3b;2c,3c) begrenzt, und deren Führungsbandumlaufgeschwindigkeiten (v1,v2,v3) vorzugsweise individuell gesteuert wird.Method according to one of claims 1 to 7, characterized in that the flow channel (4) is delimited by a plurality of mutually independent guide belt groups (2a, 3a; 2b, 3b; 2c, 3c) and their guide belt circulation speeds (v1, v2, v3) are preferably individual is controlled. Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß die Führungsbandumlaufgeschwindigkeit in der eigentlichen Krumpfzone am größten ist.A method according to claim 8, characterized in that the guide belt circulation speed is greatest in the actual shrinking zone. Verfahren nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß man den Antrieb der einzelnen Führungsbänder (2',2'',2'''; 3',3'',3'''; 2a,3a; 2b,3b; 2c,3c) mit Hilfe einer Warenabtastanordnung, vorzugsweise einer opto-elektronischen Warenbahnabtastanordnung, individuell steuert.Method according to one of claims 7 to 9, characterized in that the drive of the individual guide belts (2 ', 2' ', 2' ''; 3 ', 3' ', 3' ''; 2a, 3a; 2b, 3b; 2c, 3c) individually controls with the aid of a goods scanning arrangement, preferably an opto-electronic goods web scanning arrangement. Verfahren nach den Ansprüchen 7 und 10, dadurch gekennzeichnet, daß man den Antrieb der einzelnen, nebeneinander und parallel zueinander verlaufenden Bänder oder Seile (3',3'',3''') derart steuert, daß bei Maschenware die Maschen quer zur durchlaufenden Warenbahn (1) aufeinander ausgerichtet bzw. bei Webware der Schussfaden quer zur durchlaufenden Warenbahn (1) gerichtet und bei Bedarf der Stauch- bzw. Dehngrad der letzteren beeinflußt wird.Process according to claims 7 and 10, characterized in that the drive of the individual belts or ropes (3 ', 3' ', 3' '') running next to one another and parallel to one another is controlled in such a way that, in the case of knitted fabrics, the stitches are transverse to the continuous one Material web (1) aligned with one another or, in the case of woven goods, the weft thread is directed transversely to the continuous material web (1) and, if necessary, the degree of compression or stretching of the latter is influenced. Vorrichtung zur Durchfuhrung des Verfahrens nach Anspruch 1, mit mindestens einer durch eine Mehrzahl von einander gegenüberliegenden, gegeneinander zu und versetzt zueinander in einen Durchlaufkanal (4) gerichteten Heissluftdüsen (8,9) gebildeten Trocknungsstation (5,6,7), sowie mit mindestens zwei diesen Durchlaufkanal (4) je oben und unten begrenzenden, endlos umlaufenden, luftdurchlässigen Führungsbändern (2,3), dadurch gekennzeichnet, daß zur Durchleitung einer zu behandelnden Warenbahn (1) durch die mindestens eine Trocknungsstation (5,6,7) ein durch den von den Führungsbändern (2,3) begrenzten Durchlaufkanal (4) verlaufender, endlos umlaufender Warenbahn-Spannrahmen (13) vorgesehen und der Vertikalabstand des letzteren vom unteren Trum des mindestens einen oberen Führungsbandes (2) sowie vom oberen Trum des mindestens einen unteren Führungsbandes (3) derart bemessen ist, daß im Betrieb der Vorrichtung die zu behandelnde, mittels des Warenbahn-Spannrahmens (13) gehaltene und hindurchgeführte Warenbahn (1) im jeweiligen Wirkungsbereich einer auf sie gerichteten Heissluftdüse (8,9), örtlich begrenzt, zur Anlage an das jeweils entferntere Führungsband (3,2) gelangt.Device for carrying out the method according to claim 1, with at least one by a plurality of hot air nozzles (5, 6, 7), which are opposite one another and are directed towards and offset from one another in a flow channel (4), and with at least two endlessly circulating, delimiting this flow channel (4) Air-permeable guide belts (2, 3), characterized in that for the passage of a web (1) to be treated through the at least one drying station (5, 6, 7), a passage channel (4) which is delimited by the guide belts (2, 3) , endlessly circumferential web tensioning frame (13) is provided and the vertical distance of the latter from the lower run of the at least one upper guide belt (2) and from the upper run of the at least one lower guide belt (3) is dimensioned such that the device to be treated during operation of the device , by means of the web tensioning frame (13) and passed through the web (1) in the respective effective area of a hot air directed at it Fd nozzle (8,9), localized, comes to rest on the distant guide band (3,2). Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß dem Spannrahmen (13) eine für die zu behandelnde Warenbahn (1) bestimmte Breitdehnvorrichtung (A) vorgeschaltet ist, welche vorzugsweise mit mindestens zwei Walzen (14,15) versehen ist, von denen die eine (14) am Umfang ein Relief aus einer Vielzahl von Erhöhungen und Vertiefungen und die andere (15) am Umfang ein mindestens annähernd komplementäres Relief, dessen Erhöhungen in die Vertiefungen der erstgenannten Walze (14) eingreifen, aufweist.Apparatus according to claim 12, characterized in that the stretching frame (13) is preceded by a wide stretching device (A) intended for the web (1) to be treated, which is preferably provided with at least two rollers (14, 15), one of which ( 14) on the circumference a relief made up of a multiplicity of elevations and depressions and the other (15) on the circumference has an at least approximately complementary relief, the elevations of which engage in the depressions of the first-mentioned roller (14). Vorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß die links- und die rechtsseitige Warenbahnhalterungen (18,19) des Spannrahmens (13) durch je eine mit Nadeln (16,17) oder Kluppen versehene, endlos umlaufende Kette gebildet werden.Apparatus according to claim 12 or 13, characterized in that the left-hand and right-hand web holder (18, 19) of the tensioning frame (13) are formed by an endless chain that is provided with needles (16, 17) or clips. Vorrichtung nach Anspruch 14, dadurch gekennzeichnet, daß mindestens eine der beiden Ketten (18,19) im Innern des Durchlaufkanals (4) durch einen in dessen Längsrichtung sich erstreckenden Führungs- und Abdeckkanal (22,23), welcher in vertikaler Richtung vorzugsweise am je mindestens einen oberen und unteren Führungsband (2,3) abgestützt wird, geführt wird.Apparatus according to claim 14, characterized in that at least one of the two chains (18, 19) in the interior of the flow channel (4) by a guide and cover channel (22, 23) extending in the longitudinal direction thereof, which in the vertical direction preferably on each at least one upper and lower guide band (2, 3) is supported. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß der Führungs- und Abdeckkanal (22,23) an seiner mit den Führungsbändern (2,3) in Berührung gelangenden Stellen (24,25;24',25') mit reibungsverminderndem Material, z.B. Teflon®, versehen ist.Device according to claim 15, characterized in that the guide and cover channel (22, 23) at its points (24, 25; 24 ', 25') which come into contact with the guide bands (2, 3) are made of friction-reducing material, e.g. Teflon®. Vorrichtung nach einem der Ansprüche 12 bis 16, dadurch gekennzeichnet, daß der gegenseitige Abstand (K) der beiden den Durchlaufkanal (4) in vertikaler Richtung begrenzenden Führungsbänder (2,3) verstellbar ist.Device according to one of claims 12 to 16, characterized in that the mutual distance (K) of the two guide bands (2, 3) delimiting the flow channel (4) in the vertical direction is adjustable. Vorrichtung nach einem der Ansprüche 12 bis 17, dadurch gekennzeichnet, daß die Ausströmrichtung (I) in mindestens einem Teil der Krumpfzone der Vorrichtung entgegen der Warenbahndurchlaufrichtung (D) um einen Winkel (α) im Bereich von 1 bis 40° gegenüber einer Vertikalen geneigt verläuft, und die Blasstärke und der Neigungswinkel (α) derart aufeinander abgestimmt sind, daß im Betrieb vorzugsweise keine wesentliche Verschiebung der auf den beiden Führungsbändern (2,3) stellenweise aufliegenden Warenbahnbereiche erfolgt.Device according to one of claims 12 to 17, characterized in that the outflow direction (I) in at least part of the shrinking zone of the device runs against the vertical web direction (D) by an angle (α) in the range of 1 to 40 ° relative to a vertical , and the blowing strength and the angle of inclination (α) are coordinated with one another in such a way that, during operation, there is preferably no substantial displacement of the areas of the web on the two guide belts (2, 3).
EP95810058A 1995-01-31 1995-01-31 Method and device for drying and shrinking of textile fabric Expired - Lifetime EP0725178B2 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
DE59504261T DE59504261D1 (en) 1995-01-31 1995-01-31 Method and device for drying and shrinking textile goods
EP95810058A EP0725178B2 (en) 1995-01-31 1995-01-31 Method and device for drying and shrinking of textile fabric
ES95810058T ES2126862T3 (en) 1995-01-31 1995-01-31 PROCEDURE AND DEVICE FOR DRYING AND CONTRACTION OF TEXTILE FABRIC.
EP95810185A EP0733733A1 (en) 1995-01-31 1995-03-20 Method and device for drying and shrinking textiles
TW85100532A TW313605B (en) 1995-01-31 1996-01-17
RU96101793A RU2139378C1 (en) 1995-01-31 1996-01-30 Method and apparatus for drying and shrinkage of textile product
TR96/00078A TR199600078A1 (en) 1995-01-31 1996-01-30 Methods and equipment for drying and shrinking of textile products.
JP8014543A JPH08232163A (en) 1995-01-31 1996-01-30 Method and apparatus for drying and shrinkage processing of fiber product
BR9600262A BR9600262A (en) 1995-01-31 1996-01-30 Process for continuous drying and shrinking of textile articles and devices to carry out the process
CN96101103A CN1083030C (en) 1995-01-31 1996-01-30 Method and apparatus for drying and shrinking fabrics
CZ96283A CZ28396A3 (en) 1995-01-31 1996-01-30 Process of drying and contracting textiles and apparatus for making the same
US08/594,912 US5943747A (en) 1995-01-31 1996-01-31 Drying and shrinking of textile webs using a tentering frame equipped with guide belts and hot air nozzles
CA002181962A CA2181962C (en) 1995-01-31 1996-07-24 Process and apparatus for the drying and shrinking of textile goods
GR990400416T GR3029330T3 (en) 1995-01-31 1999-02-10 Method and device for drying and shrinking of textile fabric

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP95810058A EP0725178B2 (en) 1995-01-31 1995-01-31 Method and device for drying and shrinking of textile fabric
US08/594,912 US5943747A (en) 1995-01-31 1996-01-31 Drying and shrinking of textile webs using a tentering frame equipped with guide belts and hot air nozzles
CA002181962A CA2181962C (en) 1995-01-31 1996-07-24 Process and apparatus for the drying and shrinking of textile goods
AU60828/96A AU719339B2 (en) 1996-07-30 1996-07-30 Process and apparatus for the drying and shrinking of textile goods

Related Child Applications (2)

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EP95810185.9 Division-Into 1995-03-20
EP95810185A Division EP0733733A1 (en) 1995-01-31 1995-03-20 Method and device for drying and shrinking textiles

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EP0725178A1 true EP0725178A1 (en) 1996-08-07
EP0725178B1 EP0725178B1 (en) 1998-11-18
EP0725178B2 EP0725178B2 (en) 2005-04-27

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EP95810058A Expired - Lifetime EP0725178B2 (en) 1995-01-31 1995-01-31 Method and device for drying and shrinking of textile fabric
EP95810185A Withdrawn EP0733733A1 (en) 1995-01-31 1995-03-20 Method and device for drying and shrinking textiles

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EP (2) EP0725178B2 (en)
JP (1) JPH08232163A (en)
CN (1) CN1083030C (en)
BR (1) BR9600262A (en)
CA (1) CA2181962C (en)
CZ (1) CZ28396A3 (en)
DE (1) DE59504261D1 (en)
ES (1) ES2126862T3 (en)
GR (1) GR3029330T3 (en)
TR (1) TR199600078A1 (en)

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DE59504261D1 (en) 1998-12-24
CZ28396A3 (en) 1996-08-14
TR199600078A1 (en) 1997-03-21
CA2181962C (en) 2005-05-24
GR3029330T3 (en) 1999-05-28
EP0733733A1 (en) 1996-09-25
EP0725178B2 (en) 2005-04-27
JPH08232163A (en) 1996-09-10
EP0725178B1 (en) 1998-11-18
BR9600262A (en) 1997-12-23
CN1134479A (en) 1996-10-30
CN1083030C (en) 2002-04-17
US5943747A (en) 1999-08-31
ES2126862T3 (en) 1999-04-01
CA2181962A1 (en) 1998-01-25

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