EP1985738B1 - Method and device for wet treating string-shaped textiles - Google Patents

Abstract

Device for the wet treatment of a strand-like textile material comprises a closed container (1), a transport nozzle arrangement impinged with a gaseous transport medium and a unit for applying a liquid treating agent in atomized form to the strand in regions of the nozzle arrangement. An independent claim is also included for a method for the wet treatment of a strand-like textile material. Preferred Features: The transport nozzle arrangement comprises a Venturi transport nozzle with a nozzle axis and a nozzle ring gap which is impinged with the transport medium.

Description

The invention relates to a device for wet treatment of strand-like textile material with a closed container, with a transport nozzle assembly which is acted upon by a gaseous transport medium under the action of which in the form of a fabric strand through the transport nozzle assembly and the container guided textile material in a transport direction is conveyed and with a Device for applying a liquid treatment agent in atomized form on the running goods strand in the areas of the transport nozzle arrangement.

In addition, the invention relates to a method for wet treatment of rope-shaped textile material, in which the product strand is passed through a gaseous transport medium acted upon transport nozzle assembly and conveyed in this in a transport direction.

In accordance with the jet principle aerodynamic Stückfärbemaschinen where the treated piece goods are in strand form, the transport of the strand-like piece goods is carried by a gas flow generated by a blower and a transport nozzle arrangement is applied, which includes a Venturi transport nozzle with an annular gap, ie a so-called jet apparatus. These aerodynamic Stückfärbemaschinen are in contrast to also known hydraulic Stückfärbemaschinen in which the treatment liquor causes the transport of the goods strand, the treatment liquor is also used simultaneously as a carrier of additives to the treatment liquor, such as dyes or auxiliaries and chemicals.

Examples of jet treatment machines according to the aerodynamic principle can be found, to name but a few examples, in the following documents: EP 0078022 B2 . DE 41 19 152 C2 . DE 197 28 420 D2 . DE 199 24 743 A1 . EP 1526205 A2 . DE 10349374 A1 . DE 10 2005 022 453 B3 . EP 1 672 111 A2 and DE 199 24 180 A1 ,

In the case of the jet treatment machines known from these documents in various embodiments, the supply of the gas stream causing the transport of the goods strand takes place in the housing of the respective transport nozzle. Apart from this feature present in almost all such machines, the location of the transport nozzle within the machine system is different. The transport nozzle can either be preceded by a driven or free-running deflection roller or else the deflection roller is equipped both with a drive and with a freewheel device.

• Bei der Jet-Färbeanlage nach der EP 0078022 wird im Bereich der Düsensektion für den Warenantrieb zugleich das Behandlungsmittel in zerstäubter Form zugesetzt. Bei der aus der DE 41 19 152 C2 bekannten Nassbehandlungsvorrichtung von Textilgut erfolgt die Zuführung des Behandlungsmittels (Behandlungsflotte) erst im Eintrittsbereich des Warenspeichers und zwar an der Ober- und an der Unterseite des laufenden Warenstrangs. Bei einer in der DE 197 28 420 C2 beschriebenen Düseneinheit zum Transport eines textilen Stranges ist im Austrittsbereich einer dem Düsenkörper nachgeordneten und in der Transportebene schwenkbaren Textilstrangleitvorrichtung eine Flottenzufuhrvorrichtung vorgesehen, wobei eine oder mehrere, auf den Textilstrang gerichtete Austrittsöffnungen zum strahlenförmigen Austritt von Flotte im Bereiche des hinteren Endes der Textilstrangleitvorrichtung angeordnet sind. Bei einer im Prinzip ähnlichen Nassbehandlungsvorrichtung nach der DE 199 24 180 A1 ist, in Transportrichtung des endlosen schlauchförmigen Warenstranges gesehen, unmittelbar vor und/oder hinter der als Gasdüse ausgestalteten Transporteinrichtung eine Einspritzeinrichtung für die Behandlungsflotte angeordnet, die mit dem Flottenzirkulationssystem verbunden ist. Näher erläutert ist nur die Anordnung von zwei Einspritzeinrichtungen hinter der Gasdüse, die die Behandlungsflotte auf der Unterseite des Warenstrangs einleiten, so dass die Einführung der Behandlungsflotte jeweils über einen Flottenstrahl erfolgt, auf dem die strangförmige Schlauchware gleitet. Eine ähnliche Anordnung ist in der DE 199 24 743 A1 beschrieben, wo eine mit Flotte gespeiste Fluiddüse in Transportrichtung des Warenstrangs unterhalb der Transportstrecke angeordnet ist. Aus der EP 1526205 (nächstkommender Stand der Technik) ist es bekannt, das Behandlungsmittel auf den laufenden Warenstrang mit einer zeitabhängig gesteuerten Behandlungsmenge pro Zeiteinheit aufzubringen, wobei die Steuerung der auf den Warenstrang aufgebrachten Behandlungsmittelmenge pro Zeiteinheit durch Steuerung der Pumpenmittel und/oder von diesen zugeordneten Ventilmitteln erfolgt. Die Zufuhr des Behandlungsmittels selbst erfolgt in die Venturi-Transportdüse im Bereiche deren Ringspalts und/oder, jeweils in Transportrichtung des Warenstrangs gesehen, im Bereich vor oder hinter der Transportdüse. Bei einer aus der DE 103 49 374 A1 bekannten Nassbehandlungsmaschine für strangförmiges Textilgut schließlich sind Mittel zum Aufbringen einer Behandlungsflotte auf den Warenstrang in einem Abschnitt des Warenstranglaufwegs zwischen einer der Venturi-Transportdüse vorgeschalteten Haspel und dem Düsenringspalt des Transportdüsensystems vorgesehen. Durch Benetzung des Warenstranges vor der Transportdüse soll der Anteil der in die Transportdüse einzubringenden Flotte reduziert werden. Es können Mittel zur Injektion von Behandlungsflotte in den Durchgangskanal des Düsenkonus der Transportdüse vorgesehen sein, die rings um die den Durchgangskanal begrenzende Kanalwand gegebenenfalls derart münden, dass aus ihnen in den Durchgangskanal eintretende Behandlungsflotte eine Bewegungskomponente in Warenlaufrichtung aufweist.

The application of the treatment agent on the strand of goods is done in different ways:

• In the case of the jet dyeing plant after the EP 0078022 In the area of the nozzle section for the goods drive at the same time the treatment agent is added in atomized form. At the time of the DE 41 19 152 C2 known wet treatment device of textile material, the supply of the treatment agent (treatment liquor) takes place only in the entry area of the goods storage and that at the top and at the bottom of the ongoing strand of goods. At one in the DE 197 28 420 C2 described nozzle unit for transporting a textile strand a Fleottenzufuhrvorrichtung is provided in the outlet region downstream of the nozzle body and pivotable in the transport plane Textilstrangleitvorrichtung, wherein one or more, directed to the textile strand outlet openings for the radial outlet of liquor in the region of the rear end of the textile strand guiding device are arranged. In a basically similar wet treatment device according to the DE 199 24 180 A1 is, viewed in the transport direction of the endless tubular fabric strand, immediately before and / or arranged behind the designed as a gas nozzle transport means an injection device for the treatment liquor, which is connected to the liquor circulation system. Explained in more detail is only the arrangement of two injection devices behind the gas nozzle, which initiate the treatment liquor on the underside of the goods strand, so that the introduction of the treatment liquor takes place via a fleet of streams on which the strand-shaped tubular fabric slides. A similar arrangement is in the DE 199 24 743 A1 described where a liquor-fed fluid nozzle is arranged in the transport direction of the goods strand below the transport path. From the EP 1526205 (closest prior art) it is known to apply the treatment agent on the running strand of goods with a time-dependent controlled treatment amount per unit time, wherein the control of the amount of treatment agent applied to the strand of goods per unit time by controlling the pump means and / or associated therewith valve means. The supply of the treatment agent itself takes place in the Venturi transport nozzle in the region of the annular gap and / or, seen in the transport direction of the product strand, in the area in front of or behind the transport nozzle. At one of the DE 103 49 374 A1 Finally, there are provided means for applying a treatment liquor to the fabric strand in a section of the fabric strand run between a reel upstream of the venturi transport nozzle and the nozzle annulus of the transport nozzle system. By wetting the fabric strand in front of the transport nozzle, the proportion of the liquor to be introduced into the transport nozzle should be reduced. There may be provided means for the injection of treatment liquor in the passage of the nozzle cone of the transport nozzle, which possibly lead to the passage wall delimiting the channel wall such that from them entering the passageway treatment liquor has a component of movement in the direction of travel.

The above briefly explained, various embodiments of the type of treatment agent application to the product strand show that there are very different ideas in the art on the way the appropriate application of the treatment agent on the strand of goods. It follows that the object of the invention to provide a working on the aerodynamic principle jet treatment device for rope-shaped textile, which allows a large range of articles different strand weights and different strand volumes of natural and synthetic fiber materials under optimal treatment conditions. In this case, an optimal transfer of the flow energy of the gaseous, optionally acting as a treatment agent transport medium and the liquid treatment medium to be guaranteed on the textile fabric strand in the transport nozzle assembly, without adversely affecting the surface of the textile material occurs. At the same time, however, a uniform distribution of the treatment agent on the product strand must be ensured.

To solve this problem, the device according to the invention has the features of claim 1. A corresponding inventive wet treatment process for textile goods is the subject of claim 22.

In the device according to the invention, a device for applying a liquid treatment agent in atomized form is provided on the running goods strand in the areas of a transport nozzle arrangement having a Venturi transport nozzle. This device for applying the treatment agent is adapted to apply in two, in the transport direction of the goods strand spaced sections before and after the nozzle ring gap treatment agent, each in a strand of material at least partially annular form enclosing the goods strand, wherein in one between the two sections lying intermediate region of the fabric strand is acted upon by the gaseous transport medium. The two sections are each assigned jet nozzles for the treatment agent, which are arranged with their respective nozzle axis adjustable at least in its angular position to the transport nozzle axis.

Due to the separate supply of the treatment agent (treatment liquor) and the Transportgasstroms to the fabric strand on the one hand optimal transfer of the flow energy of the transport gas flow on the strand of goods and on the other hand, an optimal distribution of the treatment agent in two sections, which are separated from the area of action of the gas transport stream, achieved , Since the application of the treatment agent in the two sections takes place in each case in a form at least partially annularly enclosing the product strand, in these sections, regardless of the strand volume, additionally a centering of the goods strand on the axis of the transport nozzle system is achieved. At the same time, the annular, i.e. All-round wetting of the product strand with treatment agent a very uniform application of the treatment agent on the strand of goods and thus an optimal treatment result. In the transport nozzle arrangement itself, an optimal distribution of the treatment agent is achieved, whereby an adaptation to the respectively required operating conditions is made possible by simple measures.

In the method according to the invention for the wet treatment of rope-like textile material is sprayed while passing through the transport nozzle assembly on the running strand of goods in two separate, spaced apart in the transport direction sections sputtered liquid treatment agent in a strand at least partially enclosing form, while the fabric strand simultaneously in a between the two sections lying intermediate region is acted upon by the conveying medium causing its promotion.

Further developments of the new device and the new method are the subject of dependent claims.

• Fig. 1 Eine Vorrichtung gemäß der Erfindung, in der Ausführung als Hochtemperatur-Stückfärbemaschine, in einer schematischen Darstellung, im Querschnitt und in einer Seitenansicht;
• Fig. 2 die Transportdüsenanordnung der Vorrichtung nach
• Figur 1 im Längsschnitt, in einer Seitenansicht und in einem anderen Maßstab;
• Fig. 3 die Transportdüsenanordnung nach Figur 2 in schematischer Darstellung in einem entsprechenden Längsschnitt und unter Veranschaulichung der Verteilung der Behandlungsflotte vom Strahlbereich des ersten Abschnittes auf den Warenstrang;
• Fig. 3A die Anordnung nach Figur 3, geschnitten längs der Linie 3A-3A der Figur 3, unter Veranschaulichung des ringförmigen Einwirkungsbereiches der Strahldüsen auf den Warenstrang im ersten Abschnitt der Behandlungsflottenaufbringung unter gleichzeitige Zentrierung des Warenstrangs;
• Fig. 4 die Anordnung nach Figur 3 in einer entsprechenden Längsschnittdarstellung unter Veranschaulichung der Verteilung der Behandlungsflotte vom Strahlbereich des ersten Abschnittes unter der Einwirkung der Transportgasströmung;
• Fig. 4A die Anordnung nach Figur 4, geschnitten längs der Linie 4A-4A der Figur 4 in einer Seitenansicht, unter Veranschaulichung des Warenstrangs in dem Zwischenbereich zwischen den beiden Abschnitten der Aufbringung der Behandlungsflotte auf den Warenstrang;
• Fig. 5 die Anordnung nach Figur 2 in einer entsprechenden Darstellung, im Längsschnitt, unter Veranschaulichung des ringförmigen Einwirkungsbereichs der Strahldüsen auf den Warenstrang im zweiten Abschnitt der Behandlungsflottenaufbringung unter gleichzeitiger Zentrierung des Warenstrangs;
• Fig. 5A die Anordnung nach Figur 2, geschnitten längs der Linie 5A-5A der Figur 5, unter Veranschaulichung des den Warenstrang ringförmig umschließenden Einwirkungsbereichs der Strahldüsen des zweiten Abschnitts;
• Fig. 6 die Anordnung nach Figur 2 in einer entsprechenden Darstellung, im Längsschnitt unter Veranschaulichung der Öffnung des schlauchförmigen Warenstrangs, mit schematischer Darstellung der Behandlungsflottenverteilung innerhalb des Warenstrangs;
• Fig. 6A die Anordnung nach Figur 6, geschnitten längs der Linie 6A-6A der Figur 6, in einer Seitenansicht unter Veranschaulichung der Behandlungsflottenverteilung innerhalb des strangförmigen Warenstrangs.
• Fig. 7 eine schematische Veranschaulichung der Behandlungsflottenzuführung und -aufbringung auf den Warenstrang im ersten Abschnitt der Behandlungsflottenaufbringung unter Verwendung von sechs Flachstrahldüsen, in perspektivischer, schematischer Darstellung;
• Fig. 8 eine schematische Veranschaulichung der Behandlungsflottenzuführung und -aufbringung auf den Warenstrang im ersten Abschnitt der Behandlungsflottenaufbringung unter Verwendung von vier bogensegmentförmigen Strahldüsen in perspektivischer schematischer Darstellung ähnlich Figur 7;
• Fig. 9 die Vorrichtung nach Figur 1, unter schematischer Veranschaulichung der hauptsächlichen Steuer- und Regeleinrichtungen, in einer Schnittdarstellung entsprechend der Figur 1;
• Fig. 10 die Transportdüsenanordnung nach Figur 2, in einer abgewandelten Ausführungsform mit einstellbarem Ringdüsenspalt für den Transportgasstrom und mit einem Verstellmechanismus für den Strahlwinkel der Strahldüsen im zweiten Abschnitt der Behandlungsflottenaufbringung auf den Warenstrang, in einer Schnittdarstellung entsprechend Figur 2;
• Fig. 11 die Anordnung nach Figur 10, geschnitten längs der Linie XI-XI der Figur 10 in einer Seitenansicht und
• Figur 12 den Einwirkungsbereich der Strahldüsen auf den Warenstrang im zweiten Abschnitt der Behandlungsflottenaufbringung auf den Warenstrang in einer Schnittdarstellung entsprechend Figur 5A.

In the drawings, embodiments of the subject invention are shown. Show it:

• Fig. 1 A device according to the invention, in the execution as a high-temperature Stückstärbemaschine, in a schematic representation, in cross-section and in a side view;
• Fig. 2 the transport nozzle assembly of the device according to
• FIG. 1 in longitudinal section, in a side view and on a different scale;
• Fig. 3 according to the transport nozzle arrangement FIG. 2 in a schematic representation in a corresponding longitudinal section and illustrating the distribution of the treatment liquor from the beam region of the first section to the product strand;
• Fig. 3A the arrangement after FIG. 3 , taken along the line 3A-3A of FIG. 3 , Illustrating the annular area of action of the jet nozzles on the fabric strand in the first section of the treatment Fleet application with simultaneous centering of the strand of goods;
• Fig. 4 the arrangement after FIG. 3 in a corresponding longitudinal sectional view illustrating the distribution of the treatment liquor from the beam region of the first section under the action of the transport gas flow;
• Fig. 4A the arrangement after FIG. 4 , taken along the line 4A-4A of FIG. 4 in a side view, illustrating the strand of goods in the intermediate region between the two sections of the application of the treatment liquor on the strand of goods;
• Fig. 5 the arrangement after FIG. 2 in a corresponding representation, in longitudinal section, illustrating the annular region of action of the jet nozzles on the fabric strand in the second section of the treatment Fleet application while simultaneously centering the strand of goods;
• Fig. 5A the arrangement after FIG. 2 , taken along the line 5A-5A of FIG. 5 , illustrating the annular region of the product strand enclosing the area of action of the jet nozzles of the second section;
• Fig. 6 the arrangement after FIG. 2 in a corresponding representation, in longitudinal section illustrating the opening of the tubular strand of goods, with a schematic representation of the treatment liquor distribution within the strand of goods;
• Fig. 6A the arrangement after FIG. 6 , taken along the line 6A-6A of FIG. 6 , in a side view illustrating the treatment liquor distribution within the rope-shaped product strand.
• Fig. 7 a schematic illustration of the treatment fleece supply and application on the fabric strand in the first section of the treatment Fleet application using of six flat jet nozzles, in perspective, schematic representation;
• Fig. 8 a schematic illustration of the treatment fleece supply and application on the fabric strand in the first section of the treatment Fleet application using four arc segment-shaped jet nozzles in a perspective schematic view similar FIG. 7 ;
• Fig. 9 the device after FIG. 1 in a schematic illustration of the main control devices, in a sectional view corresponding to Figure 1;
• Fig. 10 according to the transport nozzle arrangement FIG. 2 , in a modified embodiment with adjustable annular nozzle gap for the transport gas flow and with an adjustment mechanism for the jet angle of the jet nozzles in the second section of the treatment Fleet application to the strand of goods, in a sectional view accordingly FIG. 2 ;
• Fig. 11 the arrangement after FIG. 10 , taken along the line XI-XI the FIG. 10 in a side view and
• FIG. 12 the area of action of the jet nozzles on the fabric strand in the second section of the treatment Fleet application to the fabric strand in a sectional view accordingly FIG. 5A ,

In FIG. 1 is an embodiment of an apparatus according to the invention in the form of a high-temperature Stückstärbemaschine illustrated how they in their basic structure in the DE 10 2005 022 453 B3 the applicant is described. For a more detailed description of the parts of this piece dyeing machine which are not essential to the present invention, reference is made to this document.

The piece dyeing machine has a treatment vessel 1 designed as a cylindrical vessel, which is pressure-tightly sealed at its two end faces by welded dished ends. In the treatment container 1 more axial juxtaposed goods storage are usually provided, as described in the cited document and of those in the in FIG. 1 illustrated in cross-section of the Stückstärbemaschine only one memory is illustrated. The goods memory generally designated 2 is defined by two parallel side walls 3, of which in FIG. 1 only one is shown and bounded by a bottom wall 4, which is connected to the side walls 3. The bottom wall 4 is formed as a sliding floor by FTFE rods arranged in parallel or by design with FTFE tiles in a conventional manner, both versions allow draining excess treatment liquor in the designated 5 space below the bottom wall 4 in the treatment tank 1. The side walls 3, which are also referred to as goods storage boundary walls, are each formed on their inside with a PTFE coating or as solid plate parts, such that, as in the case of the bottom wall 4, a friction-reducing arrangement results. An inner cover 6 is connected to the side walls 3, so that the goods storage has a substantially U-shaped configuration with a fabric strand inlet opening 7 and a fabric strand outlet opening 8. The goods storage device 2 contained in the treatment container 1 generally has in each case a same axial goods storage width which, with a treatment diameter of approximately 2250 mm, can typically be 800 mm or more.

In each of the goods storage 2 performs a closed with a removable pressure-tight closure 9 loading and unloading, which is arranged approximately at the height of the horizontal diameter plane 10 of the treatment container 1. On the underside of the treatment tank 1, a liquor receptacle 11 is provided, which is connected to the container interior and intended to receive the effluent from the textile product treatment (liquor). The content of the fleet receiving container 11 is dimensioned such that the total amount of liquor minus the liquor fraction carried by the textile product can be absorbed without the goods moving in the respective goods store coming into contact with a liquor level outside the goods.

At a distance above the lying below the plane of the diameter 10 Warenstrangauslauföffnung 8 of the respective product storage leads at each goods storage 2 a welded to the jacket of the treatment tank 1 cylindrical pipe socket 12 in the container interior, which is vertically aligned with its axis 13 and with this in the symmetry center plane of the goods storage 2 lies. The pipe socket 12 carries at the end an annular flange 14, on which a blower unit 15 is placed. The blower unit 15 has an upper housing part 16 with an impeller housing 17 which includes a Radialgebläselaufrad 18 which rotates about a coaxial with the axis 13 of the pipe socket 12 axis of rotation and is coupled with an attached to the upper housing part 16 electric motor 19. The electric motor 19 is a speed-controllable three-phase motor for converter operation, which is designed to control the transport gas flow rate required in each case. The gaseous medium conveyed by the fan impeller 18 is diverted into an outer flow channel 20 which is coaxial with the axis 13 and produces a pressure-side connection with the impeller housing 17.

In the pipe socket 12, a part of the lower housing part of the fan unit 15 forming, with a small radial distance inserted cylindrical inner shell 21 is rotatably mounted, which is aligned coaxially with the axis 13. The inner shell 21 is sealed at the edge against the annular flange 14 via a seal formed, for example, as a labyrinth seal or as a grooved collar, and radially rotatably supported by a suitable profile on the annular flange 14 and suspended axially. Coaxially to the axis 13 extends in the inner casing 21 an inner, provided with a suction cone flow channel 22, which leads to the Gebläselaufradeintritt as suction, forms the intake and opens at its opposite end in the interior of the treatment tank 1. The inner coaxial flow channel 22 bounded with the inner shell 21 on its outer side a cylindrical continuation 20a of the outer flow channel 20. Thus, in the blower unit 15, two concentric vertical flow channels 20, 20a; 22 formed, wherein serving as a suction channel flow channel 22 widens conically towards the container interior and down at 22a against the inner shell 21 is completed, as in particular the FIG. 2 can be seen.

The blower unit 15 can be removed from the annular flange 14 as a whole and replaced if necessary by a blower unit of different performance or delivery characteristics.

With the rotatably mounted inner shell 21 and the fixed thereto coaxial flow channel 22, the tubular fabric strand inlet part 23 (FIG. FIG. 2 ) formed as a Venturi ring nozzle transport nozzle 25 of a generally designated 26 transport nozzle assembly rotatably connected. The fabric strand inlet part 23, which is designed essentially as a 60 ° pipe bend, has a fabric strand inlet opening 24, which is at the greatest possible distance from the container diameter plane 10 (FIG. FIG. 1 ) is arranged so as to provide a favorable withdrawal angle of in FIG. 1 to ensure at 250 indicated endless strand of goods from the goods strand outlet opening 8 of the goods storage 2 and to make room for Warenstrangleiteinrichtungen. The Warenstrangeinlaufteil 23 leads to an inlet nozzle part 27 of the Venturi transport nozzle 25, which can also be referred to as a jet apparatus. With the tubular Warenstrangeinlaufteil 23 a substantially circular frustum-shaped Einströmdüsenformteil 28 is sealed, which is coaxial with the outlet-side transport nozzle axis 29 and surrounds the inlet nozzle member 27 at a radial distance. The Einströmdüsenformteil 28 is designed aerodynamically on its outer side and sealed at 30 with a rounded, molded end part sealed to the Warenstrangeinlaufteil 23 outside. alternative the Einströmdüsenformteil 28 could also be connected to the inlet nozzle part 27.

The Einströmdüsenformteil 28 and the inlet nozzle member 27 are enclosed by a coaxial to the transport nozzle axis 29 cylindrical nozzle housing 31 which extends with its inner wall at a radial distance from the nozzle molding 28 and sealed to the inner shell 21 is connected. The Warenstrangeinlaufteil 23 and the Einströmdüsenformteil 28 thus limit in the FIG. 2 apparent manner with the transport nozzle housing 31 a Transportmediumseinströmkanal 32 which is connected to the pressure channel 20a of the blower unit 15.

In the cylindrical transport nozzle housing 31, an edge-sealed, substantially funnel-shaped or trumpet-shaped outer nozzle molding 33 is arranged, which defines together with the Einströmdüsenformteil 28 a coaxial to the transport nozzle 29 guide channel with an annular gap 34. The guide channel and the annular gap 34 are thus connected via the pressure channels 20a, 32 to the pressure side of the fan unit 15 and are acted upon from this with a transport gas stream, the in FIG. 2 indicated by arrows 360. The radial width of the guide channel and the annular gap 34 can be changed by axial displacement of the outer nozzle molding 33 in the transport nozzle housing 31 and adjusted to the most favorable operating conditions, as shown by the FIG. 10 will be explained below. Both nozzle mold parts 28, 33 are, for example, sheet metal shaped parts, which are made of sheet steel or plastic and of which the outer nozzle molding 33 has an outer flange 35 formed on the edge, with which he axially adjustable against the inner wall of the transport nozzle housing 31 is sealed. Both nozzle moldings 28, 33 are designed so that the respectively desired, in FIG. 2 at 36 indicated beam angle of the Venturi transport nozzle 25 with the transport nozzle axis 29 results. This beam angle is usually in the range of 10 ° to 30 °, preferably 15 ° to 25 °. If necessary, it can also be adjusted by appropriate design of the nozzle mold parts 28, 33.

At the annular gap 34 is followed at an axial distance to the transport nozzle axis 29 coaxial substantially funnel-shaped inlet part 37 for a subsequent, substantially cylindrical mixing section 38 for the treatment agent or liquor streams and the transport gas flow, which opens into a subsequent diffuser 39. The diffuser 39 is followed by a coaxial transport tube 40 of larger diameter ( FIG. 1 ), which in turn opens into a discharge bend 41 of larger diameter, which together with the transport tube 40 forms a transport path and can initiate the exiting goods strand 250 into the storage inlet opening 7. The outlet bend 41 opens, as seen from FIG. 1 can be seen at a small distance above the boundary of the inlet opening 7, to which it is aligned approximately parallel to the opening side. The inlet part 37 of the mixing section 38 is sealed to a ring plate 42 ( FIG. 2 ), which is sealed and detachably flanged on the front side of the transport nozzle housing 31.

In the cylindrical transport nozzle housing 31 two separate injection jet nozzle systems 43, 44 are provided, which are at an axial distance along the transport nozzle axis 29 and are arranged coaxially thereto. The first injection jet nozzle system 43 has a cylindrical treatment agent or liquor distributor ring 45, which is externally placed on the inlet nozzle part 27 and arranged in the space between the inlet nozzle molding part 28 and the nozzle inlet part 27. The Fleet distribution ring 45 has a sealed through the transport nozzle housing 31 outwardly guided connection piece 46 and carries in the example. From FIG. 3A a number - in the present non-limiting embodiment 6 - flat jet nozzles 47, which are each connected via a ball joint 48 with the Fleottenverteilerring 45. The jet nozzles 47 are radially outwardly through the Einströmdüsenformteil 28 against the arrows 360 in FIG FIG. 2 Shielded transport gas stream shielded and spray them on the connecting piece 46 and the Fleet distributor ring 45 supplied treatment agent (liquor) on the emerging from the inlet nozzle part 27 goods strand 250 at a predetermined jet angle in atomized form before the strand 250 exits the Einströmdüsenformteil 28 and with the Transport gas flow from the annular gap 34 is acted upon.

The jet angle, which the jet nozzles 47 enclose with the transport nozzle axis 29, can be adjusted via the ball joints 48. As a rule, it is equal to and smaller than 90 ° for all jet nozzles 47. It is preferably in the range between 10 ° and 30 °, in particular between 15 ° and 25 °. Since the apex of the beam angle of the jet nozzles 47 in the in FIG. 1 indicated by an arrow 480 transport direction of the fabric strand 250, the Flottenbeaufschlagung the continuous strand of goods 250 results in a force component in the goods strand transport direction 480, the Promotion of the strand of goods in FIG. 1 supported in a clockwise direction. A second component of the jet nozzles 47 annularly arranged around the cloth strand 250 is directed radially and endeavors to center the continuous strand of goods to the transport nozzle axis 29.

The first injection jet nozzle system 43 described lies in a first section I of the transport nozzle arrangement 26, which extends approximately from the liquor distributor ring 45 to the mouth of the inflow nozzle molding 28 in the transport direction 480 of the product strand 250.

Section I concludes as follows FIG. 2 can be seen, a second section II or intermediate region in the transport nozzle assembly 26 in the transport direction 480, in which the continuous product strand 250 is acted upon by the emerging from the annular gap 34 transport gas stream.

Subsequently, the product strand 250 enters a third section III of the transport nozzle arrangement 26, which extends approximately between the outer nozzle molding 33, ie the boundary formed by the annular gap 34, to the end of the Mischstreckeneinlaufteils 37 in the transport direction 48. In this third section, the second injection jet nozzle system 44 is arranged, which has a treatment agent or Fleet distributor ring 49 coaxial with the transport nozzle axis 29, which is housed in the space enclosed by the outer nozzle molding 33, the transport nozzle housing 31 and the annular plate 42 and in the illustrated embodiment has a larger diameter than the Fleet distribution ring 45 of the first jet nozzle system 43. The second fleet distribution ring 49 is with a axially aligned connection piece 50 connected to the liquor supply, which is sealed by the annular plate 42 is guided to the outside and together with others, in FIG. 2 not shown means for supporting the Fleottenverteilerrings 49 is used. With the liquor distributor ring 49 is connected via connecting struts 500 in the transport nozzle housing 31 peripherally sealed axially displaceably mounted outer nozzle member 33, so that by an axial adjustment of Flottenverteilerrings 49 and the nozzle molding 33 can be adjusted in the axial direction, as shown in detail with reference to FIG. 10 will be explained.

The Fleet distribution ring 49 carries around its circumference distributed a number - in the present non-limiting embodiment 6 - Injection jet nozzles 51, which are each connected via ball joints 52 with the fleet distribution ring 49. The beam angle, which the jet nozzles 51 enclose with the transport nozzle axis 29, can be adjusted via the ball joints 52. The beam angle is less than 90 ° and its vertex is as out FIG. 2 to be seen, directed so that the exiting from the jet nozzles 51 fleet beams transmitted in the transport direction 480 of the strand of goods 250 facing force component on the continuous strand of goods, which contributes to the promotion of the strand of goods in the transport direction 480. At the same time, the jet nozzles 51, which are uniformly distributed around the fabric strand, produce force components which act radially on the fabric strand and which effect or at least support the centering of the fabric strand in the third section III relative to the transport nozzle axis 29. The jet nozzles 51 of the second injection nozzle system 44 also carry the treatment agent (liquor) in atomized form onto the surface of the product strand 250 by the product strand is annularly enclosed by the order area.

The application of the treatment agent and the conveyance of the endless product strand 250 passing through the transport nozzle arrangement 26 take place as follows in the transport nozzle arrangement described so far:

The fan unit 15 sucks via a filter element 54 (FIG. FIG. 1 ) and through the flow channel 22 gaseous transport medium (usually an air / water vapor mixture) from the interior of the container 1 and generates the pressure side a transport medium flow, the annular gap 34 of the transport nozzle 25 acts on the flow channels 20 a, 32, as in FIG. 2 indicated by the arrows 360. As a result, the endless product strand 250, based on FIG. 1 Circulated in a clockwise direction, whereby it continuously removed through the Warenstrangauslauföffnung 8 from the goods storage 2, introduced via a guide roller 55 with associated the wrap angle regulating, pivotally mounted guide roller 56 in the Warenstrangeinlaufteil 23, driven in the transport nozzle assembly 26 in the transport direction 480 and after Passing through the transport nozzle assembly 26 and the transport path 40 from the outlet sheet 41 exiting introduced into the Warenstrangeinlauföffnung 7 of the goods store 2 and is simultaneously tabbed in a conventional manner.

When passing through the transport nozzle assembly 26 is on the running strand of goods first in section I ( FIG. 2 ) Of the evenly distributed around the product strand arranged jet nozzles 47 treatment liquor in a the goods strand annular surrounding area of action applied from all sides, so that the peripheral surface of the passing strand of goods is evenly wetted around by the sprayed on treatment liquor. This annular area of action is in the schematic representation of the first section in the FIGS. 3, 3A at 60. He stretches, like FIG. 3 shows, in the transport direction 480 to almost to the end of the inlet part 37 of the mixing section 38. The axial position of the action region 60 depends on the jet angle, the jet nozzles 47 include with the transport nozzle axis 29 and can be adjusted according to the operational requirements appropriate. The jet areas which extend from the individual jet nozzles 47 and fan out in a fan-shaped manner towards the transport nozzle axis 29 overlap in the region of the surface of the goods strand 250 at the edge, resulting in a continuous, continuous area of action around them. The number of jet nozzles 47 is, depending on, for example, the diameter of the strand of goods, the goods flow speed and the like, appropriately selected. The jet nozzles may be bevel jet nozzles, flat jet nozzles, arcuate curved jet nozzles or be designed otherwise appropriate purpose to produce a uniform, the strand of goods around closing order and impact area on the strand surface.

In the adjoining the first section in the transport direction 48 intermediate region or section II, the in Figure 4, 4A is shown, the product strand 250 passes through an area in which it is exposed only to the application of the exiting from the annular gap 34 transport gas flow. In this area there is an optimal transmission the flow energy of the transport gas flow on the goods strand 250 and indeed around the entire surface of the passing strand of goods, as is apparent from FIG. 4A can be seen. Under the action of the transport gas flow, the distribution of the treatment liquor applied in the first section I is also conveyed, as shown in FIG FIG. 4 is indicated by the axially enlarged annular impact area 61. The transport gas flow increases this area of action in the axial direction and supports the uniform distribution of the applied treatment agent in the entire strand of goods.

Subsequent to the intermediate region or section II, the product strand 250 passes through the section III, in which a new treatment agent or liquor is applied to the product strand 250, as shown in FIG Figure 5, 5A is illustrated. The liquor application is again carried out by evenly distributed around the fabric strand arranged jet nozzles 51 in a ring of goods enclosing the product area 62. The jet nozzles 51 can, as previously noted, be adjusted via the associated ball joints 52 in their beam direction with respect to the transport nozzle axis 29, which is Also, the impact area 62 extending around the continuous strand of goods 250 can be influenced. In the illustrated embodiment, the area of action 62 extends in the transport direction 480 into the mixing section 38, where it can extend to its axial center or even further. The same applies to the design and the number of jet nozzles 51 as for the jet nozzles 47 of the first section I already explained. The fan-shaped expanding beams emanating from the individual jet nozzles 51 also overlap here at the edges in the area of the surface of the passing strand of goods 250th

It should be noted at this point, however, that as well as the jet nozzles 47 in the first section I, the jet nozzles 51 may in particular cases also be unevenly distributed along the circumference, wherein the arrangement may also be made such that jet nozzles of different type and different beam shape interact with each other. It is also conceivable that the jet nozzles are not connected to a single Flottenverteilerring 45 and 49, but that a plurality of radially or axially staggered arranged fleet distribution rings in the section I and / or the section III can be provided.

In interaction with the described, separate supply of the treatment liquor to the fabric strand in sections I and III is carried out an optimal transfer of the flow energy of the transport gas flow to the fabric strand in the intermediate region II and a very favorable distribution of the treatment liquor, the beam effect in two sections regardless Strangvolumen has a centering of the rope-shaped product on the transport nozzle axis 29 result.

After leaving the mixing section 38, in which once again an internal mixing of the treatment liquor streams and the transport gas streams takes place in the product strand, the treated fabric strand enters the diffuser 39. In the diffuser 39, an opening of the rope-shaped product, because due to the increasing flow cross-section is a reduction in the flow velocity of the transport gas flow and the results within this transport gas flow atomized treatment liquor, which condenses on the surface of the textile by coalescence.

This process of opening the rope-shaped product in the diffuser 39 is in the FIGS. 6, 6A together with the uniform distribution of the treatment liquor action resulting from the substreams of section I and section III of the liquor inflow.

This process is for the uniformity of the treatment fleet order on the running goods strand 250 is an important function section. In known devices collected namely not absorbed by the fabric strand and not carried by the fabric strand treatment liquor in the lower part of the transport route, from where they fleet as in the Warenspeicher occurs, so that then several strand circulations are required for distribution to the entire Textilgutpartie. Such compensation times are not required in the inventive design of the nozzle assembly 26 and the above described nozzle arrangement in the above method according to the invention, because an optimal distribution of the treatment liquor is achieved by the nozzle assembly 26 by the inflowing treatment liquor as well as the inflowing transport gas flow in terms of each treated textile and each of the refining sections to be performed can be appropriately regulated.

FIG. 7 illustrates perspectively and schematically the jet pattern when using flat jet nozzles for the jet nozzles 47 and / or 51. The flat jet nozzles, here the jet nozzles 47, are arranged around the cloth strand 250. Their individual jet images enclose the product strand, forming quasi a liquor film around the product strand and the jet images in the region of impact with the surface of the product strand 250 overlap marginally or lie at least close to one another. If one considers the vector diagram which results from the jet angle of the jet nozzles 47 to be taken from the figure, it can be seen that the individual beams exert a force component 47a acting in the transport direction 48 and a force component 47b acting radially inward on the product strand 250. The radially inwardly directed force components 47b cause or at least support the centering of the goods strand while the force components 47a acting in the transport direction make a contribution to the advancing movement of the product strand.

Basically the same applies to the conditions in FIG. 8 , in which an example of a modified embodiment of the jet nozzles 47, 51, here in turn on jet nozzles 47, illustrated by way of example is shown. In place of the flat spray nozzles FIG. 7 are shown nozzles with arc segment-shaped form of beam propagation. Due to this arc segment-shaped arrangement of the jet pattern of the individual jet nozzles 47, the beam area surrounding the product strand 250 is enlarged in the circumferential direction, so that the number of jet nozzles 47 (51) can be reduced. The parabolic distribution of the treatment liquor, both in the flat jet nozzles FIG. 7 as well as in the arc segment-shaped jet nozzles FIG. 8 , requires a respective overlap of the edge zones of the jet images of adjacent jet nozzles in order to ensure a uniform liquor exposure of the Surface of the strand of goods to achieve what has already been pointed out. An adjustment of the optimum beam effect takes place, as already explained earlier, with the ball joints 48 and 52, this adjustment then need not be changed as setting constant for the operation of the nozzle assembly 26.

In FIG. 9 is the HT piece dyeing machine after FIG. 1 with the in FIG. 1 For the sake of clarity, illustrated main control devices omitted to explain the basic operation in greater detail. Pieces of natural or synthetic fiber material in strand form are treated in such a machine. During the treatment, the products required for finishing the textile goods, chemicals and dyes are injected in a minimum amount of application, whereby the order is made on the running strand of goods depending on absorption capacity and carrying capacity or after specification of the respective treatment stage. The application methods are regulated in such a way that the finishing effects are reproducibly achieved, with the utmost care of the goods and with the maintenance of the required quality of goods in terms of the authenticity level and the technological values of the piece goods.

The already on the basis of FIG. 1 explained parts will not be explained again. In FIG. 9 are therefore only necessary for the understanding of the function necessary reference numbers FIG. 1 accepted.

The device comprises an electronic control unit 65, which controls the electric motor of the fan unit 15 and the various pumps and valves controls that are required to operate the device. In the control unit 65 at 66 user information, for example, regarding the product to be treated, the recipes and treatment steps to be used, be entered, while on the other hand an interactive interface for the user is present. The treatment liquor cycle 67 includes a liquor circulation pump 68 and a heat exchanger 69 and leads from the liquor receptacle 11 to a treatment agent supply line 70, from which the transport nozzle assemblies 26 of the individual goods storage are supplied with the treatment agent. In the treatment liquor circuit 67 are a shut-off valve 71 and a liquor drain valve 72. To him an approach-Nachsatzbehälter 73 with a metering pump 74 is connected. A bypass line 76 containing a shut-off valve 75 allows treatment liquor circulation separate from the treatment tank 1, as required for certain treatment steps. From the treatment agent supply line 70 go via shut-off valves / control valves 77, 78 from the supply lines to the Fleottenverteilringen 45, 49, which are connected via the connecting pieces 46 and 50, respectively. In the goods flow path in front of the guide roller 55, an additional jet nozzle 79 is arranged in the container 1, which allows to act on the product strand exiting the goods storage 2 250 with treatment liquor. This additional liquor spray can be controlled via a control valve 80 located in a conduit 81 outgoing from the treating agent supply line 70. From the line 81 also goes through a shut-off and control valve 82, the supply line for another jet nozzle 83 from which allows the strand of goods 250 at its entry in the goods storage 2 additionally spray with treatment liquor.

The supply of treatment liquor to the liquor distribution ring 45 of the first section I is controlled by the control valve 77 by pressure setting according to the characteristic in the pressure / flow diagram of the jet nozzles. The same applies to the supply of the treatment liquor to the second Fleet distribution ring 49, which is regulated in accordance with the control valve 78.

The control valve 80 for influencing the treatment liquor dispensing by the additional jet nozzle 79 is e.g. used in washout of reactive dyeings and in cooperation with the free-running pressure roller 56, which is pivoted to bear against the guide roller 55 back. By thus effected mechanical stripping of the present on the fabric strand adhesive liquid and part of the capillary liquid treatment liquor exchange is improved with the supplied in the transport nozzle assembly intermediate treatment liquid, so that an accelerated concentration decrease of the fabric to be rinsed off the fabric takes place, thereby shortening the flushing times and reduces the Spülwasserbedarf become.

The control valve 82 is primarily used for the additional treatment liquor spray on the garment stranded in the fabric storage line during the wetting phase, namely those articles that tend to be initially rigid due to the fibrous material and weave structure.

The liquor circulation pump 68 is regulated as a function of the treatment liquor quantity to be transferred in the transport nozzle arrangement 26 to the sum of the liquor quantities in the first and third sections I and III, the distribution of the jet resolution in the areas of the commodity strand surface being from the pressure / flow diagram and the velocity ranges of the incident jet drops are taken. According to the basis of the FIGS. 7, 8 illustrated vector diagram for the first and the third section I and III of the beam effect on the strand of goods, the axis-parallel velocity component corresponding to 47a ( FIG. 7 ) do not exceed a maximum difference as a relative speed to the line speed, depending on the surface structure and sensitivity of the textile product. As a guideline, a jet pressure, minus the static system pressure of the machine, can be from 2 to 4 bar. In the event that the permissible treatment agent pressure in the transport nozzle arrangement 26 (pressure in the liquor distributor ring 45, 49) is lower than is required for a further treatment liquor connection point in the machine, a further control fitting in the inflow conduit 70 to the transport nozzle assembly 26 is required ,

Exemplary embodiments of the method according to the invention:
Items:
1. Single jersey 28E / 30 inches
100% BW knitted fabric Nm 50/1 combed.
2. Binding thread lining 20E / 26 inches
100% BW knitted fabric Nm 50/1 combed.
Nm 10/1 as feed thread
3. 100% PES woven 80g / m ²
Width = 155 cm. items 1 2 3 fiber content % 100% CO 100% CO 100% PES hose width inch 30 26 fabric width cm 155 grammage g / m ² 155 295 80 Meter weight g / m 260 455 125 material thickness mm 0.55 1.15 0.20 Substrate volume V _s per 100Kg Ltr 66.7 66.7 72.5 Textile goods volume V _T per 100Kg Ltr 359 390 248 Space factor E = 1-V _S / V _T 0.814 0.829 0.708

Exemplary embodiment of Article 1
100% BW knitted fabric Nm 50/1
As a single jersey is a single-surface smooth article. Substance characteristics see above table Textile goods volume per 100 kg V _T = 356 ltr Substrate volume per 100 kg V _S = 66.7 ltr Interspace volume per 100 kg V _Z = 289 ltr Specific strand length = 3.85 m / kg Fleet quantity at 100% VZ = 2.89 1 / kg Partie use / storage = 250 kg Strand length / storage = 962 m fabric speed = 500 m / min turnaround time = 115 seconds Total drip rate during the orbital period (V _Z 100% - V _Z 80%) × 1.1 = 0.64 ltr / kg Textilgutgewicht / min = 130 kg / min liquor application = 113 ltr / min Fleet exchange with application roller 56 V _z 100% - V _z 70% = 0.867 l / kg liquor application = 113 ltr / min

Based on the liquor feed in the transport nozzle assembly 26, the volume flow for the 1st and 2nd sections is 83.2 Ltr / min. For the flow rate of 5m ³ / h, the liquor pump 62 controls the required speed, which is lower than the underlying synchronous speed of 3000 rpm at 50 Hz, for the 2-pole three-phase motor for inverter operation.

When blower motor 19, the control is carried out such that the impeller speed is up-regulated to the predetermined goods speed, so that the operating point available for this purpose as an intersection point on the characteristic for the intake with the coordinates for the flow in m ³ / s and for the total pressure increase in mbar results. As a guideline for the volume flow, the shaft power belonging to the characteristic curve can be used.

Exemplary embodiment of Article 2

100% BW knitwear Nm 50/1 and Nm 10/1 as lining thread for article binding thread lining Substance characteristics see above table Textile goods volume per 100 kg V _T = 390 ltr Substrate volume per 100 kg V _S = 66.7 ltr Interspace volume per 100 kg V _Z = 323 ltr Specific strand length = 2.20 m / kg Fleet quantity at 100% VZ = 3.23 1 / kg Partie use / storage = 250 kg Strand length / storage = 550 m fabric speed = 300 m / min turnaround time = 110 seconds Total drip rate during the orbital period (V _Z 100% - V _Z 80%) x1, 1 = 0.715 l / kg Textilgutgewicht / min = 136 kg / min liquor application = 97.24 l / min Fleet exchange with application roller 56 V _z 100% - V _z 70% = 0.96 l / kg liquor application = 130.56 ltr / min

Based on the liquor feed in the transport nozzle assembly 26, the volume flow for the 1st and 2nd section is 97.24 Ltr / min, or for the flow rate of 5.83 m ³ / h, the regulation of the liquor pump 68 is analogous to article 1 described.

This also applies to the control of the blower 15 to the goods speed of 300 m / min.

Exemplary embodiment of Article 3

100% PES woven fabric with 80g / m ² and fabric width of 155 cm Substance characteristics see above table Textile goods volume per 100 kg V _T = 248 ltr Substrate volume per 100 kg V _S = 72.5 liters Interspace volume per 100 kg V _Z = 175.5 ltr Specific strand length = 8.0 m / kg Fleet quantity at 100% VZ = 1.75 1 / kg Partie use / storage = 180 kg Strand length / storage = 1440 m fabric speed = 700 m / min turnaround time = 123 seconds Total drip rate during the orbital period (V _Z 100% - V _Z 80%) x1, 1 = 0.484 l / kg Textilgutgewicht / min = 87.5 kg / min liquor application = 42.35 l / min Fleet exchange with application roller 56 V _z 100% - V _z 70% = 0.61 ltr / kg liquor application = 53.8 liters / min

With reference to the liquor feed in the transport nozzle arrangement 26, the volume flow for the 1st and 2nd sections is 42.35 ltr / min. For the flow rate of 3.27 m ³ / h the regulation of the liquor pump 68 mutatis mutandis as described to Article 1 and 2.

This also applies to the control of the blower 15 to the goods speed of 700 m / min.

In the Figures 10 . 11 is an embodiment of the transport nozzle assembly 26 according to FIG. 2 described, in which the outer nozzle molding 33 is arranged axially displaceable. Same parts are denoted by the same reference numerals as in FIG FIG. 2 designated and not explained again.

As already mentioned, the jet nozzles 51 are connected via ball joints 52 to the liquor distributor ring 49 of the third section III. The Fleet distributor ring 49 is connected to the outer nozzle molding 33 via struts 500, so that by an axial displacement of Fleottenverteilerrings 49, the outer nozzle molding from the position shown in the position illustrated in dashed lines FIG. 10 can be moved. Thus, the beam width of the exiting from the annular gap 34 Transportgasstroms, depending on the blower output and article range of textile products, are adjusted by axial displacement of the outer nozzle molding 33 usually as a single setting. Since the yarn strand speed depends on the transport gas flow reaching the goods train, changing operating conditions which depend on the respective gas state within the vessel 1 are to be considered on the basis of the characteristic curve of the blower unit 15.

The axial adjustment of the outer nozzle molding 33 via not shown in the figure actuators, acting on the connecting piece 50, axial actuators of Fleottenverteilerrings 49 act. Optionally, the actuators may be controlled by the control unit 65 (FIG. FIG. 9 ).

In order to change the jet angle, which includes the jet nozzles 51 with the transport nozzle axis 29, an actuating mechanism is provided which has a conical annular plate 85 which is displaceable parallel to the transport nozzle axis 29 via two offset by 180 ° from each other, sealed by the annular plate 24 performed adjusting bolt is stored. With the adjusting bolt 86, a mounted on the ring plate 24 Verstellspindel 89 is coupled via a pivotally mounted at 87 two-armed lever 88, which allows the conical ring plate 85 to be adjusted axially. On the conical ring plate 85, the jet nozzles 51 are each attached via a bush 90, such that upon axial adjustment of the ring disk 85, a displacement of the bushing 90 on the threaded connection piece of the respective jet nozzle 51 takes place.

The available beam angle range for the jet nozzles 51 is in the selected embodiment for the steel angle without angular deflection 45 ° and can this purpose in an angular range of max. 30 ° can be adjusted according to a beam angle to the transport nozzle axis 29 ° from 75 ° to 15 °. FIG. 12 shows the spray areas of the individual, evenly distributed around the product strand 250 arranged jet nozzles 51 again in a schematic representation. From this representation, it can be seen that the spray areas in the edge zones overlap and total completely enclose the goods strand 250 on all sides.

The jet nozzles 47, 51 assigned to the two sections I and III are shielded from the transport gas flow by the inlet nozzle molding 28 and the outer nozzle molding 33, respectively. These shields can have bypass openings in at least one of the two sections I, III, through which gaseous transport medium for flushing the jet nozzles 47 or 51 can flow. Such a bypass opening is, for example, indicated at 92 and 93, respectively.

Finally, it should be mentioned that the jet angles, which include the jet nozzles 47, 51 in the first and second sections I and III, respectively, with the transport nozzle axis 29 may be the same or different from each other. In particular, in the section I, the jet nozzles 47 may have a jet angle which is substantially equal to the angle of attack, with which the transport air stream emerging from the annular gap 34 flows against the product strand 250.

Claims (22)

1. Device for the wet treatment of textile fabrics in rope form, with a closed container (1), a transport nozzle arrangement (26), to which a gaseous transport medium can be applied, under the action of which the textile fabric guided through the transport nozzle arrangement and the container in the form of a rope of material (250) can be conveyed in a transport direction (480), and with
   a means (43, 44) for applying a liquid treating agent in atomised form onto the moving rope of material in the region of the transport nozzle arrangement,
   wherein the means for applying the treating agent is arranged to apply treating agent to the rope of material respectively in a form enclosing the rope of material at least partially in a ring shape in two sections (I; III) spaced from one another in the transport direction of the rope of material, and wherein the rope of material is subjected to the gaseous transport medium in an intermediate region (II) located between the two sections,
   the transport nozzle arrangement (26) has a venturi tube (25) with a nozzle axis (29) and with a nozzle ring gap (34), to which the transport medium can be applied, and of the two sections (I; III) a first section (I) is arranged in front of the nozzle ring gap (34) and a second section (III) is arranged behind this, respectively viewed in transport direction of the rope of material,
   the two sections (I; III) respectively have discharge nozzles (47, 51) for the treating agent, from which the treating agent can be applied to the rope of material (250) respectively with a predefined volume flow and at a predefined discharge angle, and
   the discharge nozzles (47, 51) are arranged with their respective nozzle axis (29) to be adjustable at least in their angle position to the transport nozzle arrangement.
2. Device according to claim 1, characterised in that the discharge nozzles (47, 51) associated with the two sections (I; III) have separate feed devices (45, 49) for the treating agent.
3. Device according to one of claims 1 or 2, characterised in that the discharge nozzles (47, 51) associated with the two sections (I; III) are oriented to the transport nozzle axis (29) respectively at the same discharge angle.
4. Device according to one of claims 1 or 2, characterised in that the discharge nozzles (47, 51) associated with the two sections (I; III) are oriented to the transport nozzle axis (29) at different discharge angles.
5. Device according to one of the preceding claims, characterised in that the discharge angle (36) the discharge nozzles (47, 51) enclose with the transport nozzle axis (29) lies in a range between 23° and 15° in the first section (I).
6. Device according to claim 1, characterised in that discharge nozzles (47, 51) distributed around the transport nozzle axis (29) are provided at least in one of the two sections (I; III).
7. Device according to claim 6, characterised in that the discharge nozzles (47, 51) are respectively connected to a common circular pipe (45, 49) for supply of the treating agent.
8. Device according to claim 6, characterised in that the discharge nozzles (47, 51) are distributed uniformly around the transport nozzle axis (29).
9. Device according to claim 6, characterised in that the discharge nozzles (47, 51) are distributed around the transport nozzle axis (29) at such a distance from one another in the peripheral direction and at such a radial distance from the transport nozzle axis (29) and at such a discharge angle that an overlap of the streams of treating agent discharging from the individual nozzles results in the region of their impact on the surface of the rope of material.
10. Device according to claim 1, characterised in that the discharge nozzles (47, 51) are full cone nozzles or fan nozzles.
11. Device according to claim 1, characterised in that the discharge nozzles (47, 51) are curved in an arc shape.
12. Device according to claim 2, characterised in that through appropriate orientation relative to the transport nozzle direction and application with corresponding volume flows of the treating agent upon impact on the surface of the rope of material the streams of treating agent generated by the individual discharge nozzles (47, 51) generate radial force components (47a, b) acting on said rope of material and pointing in the transport direction, and that the rope of material is centred in relation to the transport nozzle axis (29) by the radial force components (47b).
13. Device according to claim 1, characterised in that in the intermediate region (II) located between the two sections (I; III) the transport nozzle (25) has guide elements (28, 33), by means of which the nozzle ring gap (34) is delimited on at least one side and by means of which the flow width and angle of approach of the rope of material passing through to the transport medium are determined.
14. Device according to claim 13, characterised in that the guide elements are adjustable.
15. Device according to claim 13 or 14, characterised in that the guide elements have a centrally formed guide channel for supply of the stream of transport medium to the rope of material, the walls (28, 33) of which delimit the first section (I) on the inlet side of the rope of material into the transport nozzle (25) and delimit the second section (III) on the outlet side of the rope of material.
16. Device according to claims 14 and 15, characterised in that at least the wall (33) of the guide channel delimiting the second section (III) is configured to be axially adjustable to change the width of the guide channel.
17. Device according to claim 15, characterised in that the angle of approach of the transport medium determined by the guide channel in relation to the transport nozzle axis is the same as the discharge angle of the discharge nozzles at least of the second section.
18. Device according to claim 15, characterised in that the angle of approach determined by the guide channel in relation to the transport nozzle axis (29) is smaller than the discharge angle of the discharge nozzles (51) at least of the second section (III).
19. Device according to claim 1, characterised in that a cylindrical mixing section (38) of predetermined length adjoins the second section (III) of the transport nozzle (25), viewed in the transport direction (480).
20. Device according to claim 19, characterised in that a diffuser is arranged behind the mixing section (38), and that the passage area for the rope of material and the transport medium at the diffuser outlet is smaller than the corresponding passage area of an adjoining transport section (40).
21. Device according to claim 1, characterised in that the discharge nozzles (47, 51) associated with the two sections (I; III) are arranged to be screened from the transport medium, and that the screening means in at least one section have bypass openings, through which transport medium can flow to rinse the discharge nozzles.
22. Method for wet treatment of textile fabrics in rope form, in which the rope of material (250) is passed through a transport nozzle arrangement (26), to which a gaseous transport medium is applied, and is conveyed in this in a transport direction (480), wherein the transport nozzle arrangement has a venturi tube (25) with a nozzle ring gap (34), through which the transport medium flows, with the process steps:

    during passage through the transport nozzle arrangement atomised liquid treating agent is applied onto the moving rope of material in a form at least partially enclosing the rope of material in two separate sections (I; III) spaced from one another in the transport direction, wherein of the two sections a first section (I) is arranged in front of the nozzle ring gap and a second section (III) is arranged behind the nozzle ring gap, respectively viewed in transport direction,

    in an intermediate region located between the two sections the rope of material is simultaneously subjected to the transport medium effecting its transport,

    the treating agent is applied by means of discharge nozzles (47, 51), which are arranged in at least one of the sections to enclose the rope of material in a ring shape,
    and

    the discharge angle the respective discharge nozzle axis encloses with the transport nozzle axis (29) is adjustable.

Images