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EP2063206B1 - Dispositif destiné au traitement d'une bande de substrat - Google Patents

Dispositif destiné au traitement d'une bande de substrat Download PDF

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Publication number
EP2063206B1
EP2063206B1 EP08020125.4A EP08020125A EP2063206B1 EP 2063206 B1 EP2063206 B1 EP 2063206B1 EP 08020125 A EP08020125 A EP 08020125A EP 2063206 B1 EP2063206 B1 EP 2063206B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
substrate web
accordance
nozzle
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08020125.4A
Other languages
German (de)
English (en)
Other versions
EP2063206A3 (fr
EP2063206A2 (fr
Inventor
Lutz Fieblinger
Dirk Robeling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olbrich GmbH
Original Assignee
Olbrich GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olbrich GmbH filed Critical Olbrich GmbH
Publication of EP2063206A2 publication Critical patent/EP2063206A2/fr
Publication of EP2063206A3 publication Critical patent/EP2063206A3/fr
Application granted granted Critical
Publication of EP2063206B1 publication Critical patent/EP2063206B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Perforated pipes or troughs, e.g. spray booms; Outlet elements therefor

Definitions

  • the invention relates to a device for treating a substrate web, in particular for drying a substrate web.
  • a device is off WO 02/093096 known.
  • convection dryers are now used, inter alia.
  • energy is introduced into the product by means of air and the volatile substances or water vapor are taken up by the air stream.
  • the substrate web is passed through the convection dryer, where it is acted upon on one or both sides by the air flow.
  • high production speeds are achieved depending on the product. The disadvantage is that when changing from one product to another cleaning operations are necessary so that the subsequent product can pass without contamination the drying device.
  • the object of the invention is to provide a device in which it is ensured that various products can be produced successively with reproducible purity and at the same time the productivity is increased over known devices by shortening the cleaning time.
  • this object is achieved with a device having the features of claim 1.
  • this device for treating a substrate web is a drying device, such as a convection dryer or a floating dryer.
  • the advantageous inventive features can also be usefully used in other treatment devices in which a substrate web is moved by means of guide devices, such as rollers, through the treatment room.
  • a drying section In the housing of the drying device, a drying section is provided, through which the substrate web to be dried can be transported.
  • guide devices are provided in the drying section.
  • guide devices In a convection dryer guide devices are provided in the form of guide rollers.
  • the substrate web In a floating dryer, the substrate web is transported by means of an air flow exiting from nozzle arrangements. These nozzle arrangements are in the Guides provided.
  • the drying process is described below using the example of a convection dryer.
  • the drying of the substrate web is achieved by means of a gaseous medium, such as air, which is introduced through an inflow in the housing and is conducted via a nozzle arrangement in the direction of the substrate web.
  • the contaminated medium is removed by a drain in the housing.
  • This is not a recirculation system, so that in a product change only the area within the drying device, in particular the drying section, must be cleaned.
  • the invention provides that the already existing guide rollers are equipped with cleaning nozzles. This means that the guide rollers serve to transport the substrate web during drying and during the cleaning process, the guide rollers are used as a spraying device.
  • the guide roller is for this purpose preferably designed as a cylindrical hollow body, so that the cleaning substances are introduced from the outside in this cylindrical hollow body and are distributed from there via one or more nozzles sprayed.
  • the cylinder wall of the guide roller is provided with openings, which widen in particular outwardly. In such wedge-shaped openings results in a fanned spray, which is able to act on a large area of the inner surface of the drying device and thus to clean.
  • the spray function can also take over separate, known nozzle body, which are inserted into the guide roller, said nozzle body, of course, do not project beyond the roller surface of the guide roller, so as not to influence the transport function of the guide roller.
  • These nozzle bodies can be designed so that they achieve a wide-ranging cleaning jet. It is essential that all contaminated areas of the Drying section can be achieved by the effluent from the guide roller cleaning substances.
  • a plurality of cleaning nozzles are arranged adjacent to each other over the width of the guide roller. In this way, it is ensured that cleaning substances flow out over the entire width of the drying section. With rotatable guide rolls, the cleaning stream, which then emerges from the cleaning nozzles, reaches areas above and below the guide roll as well as adjacent to the guide roll. In order to clean the entire drying section, it may further be provided that all guide rollers are equipped with cleaning nozzles. In addition, it can be provided that the guide rollers are arranged to be adjustable in height and displaceable in the direction of movement of the substrate web in the drying section, in order to achieve an optimal spraying of the drying section in this way.
  • the cleaning nozzles are arranged offset over the entire circumference of the guide roller. In this case, the guide roller does not need to be turned during the cleaning process.
  • the cleaning substances may be tempered.
  • means are provided for controlling the temperature of the cleaning substances. These can be arranged both inside and outside the drying device.
  • An advantageous embodiment of a device according to the invention further has a specially designed drying section, which is designed as a virtually closed drying chamber. Openings in the drying space represent the inlet and outlet of the substrate web, the nozzle openings, which are exposed to the substrate web with air or other gaseous medium and the outflow for the corresponding medium.
  • a drying space is achieved when, starting from the respective nozzles of the nozzle assembly adjacent Guiding plates are provided, wherein between two nozzles, the baffles represent a closed surface.
  • the drying section is bounded above by a virtually closed ceiling which is interrupted only by the nozzle openings, preferably slot-shaped openings provided over the width of the substrate web.
  • Such an upper surface of the drying section can be easily decontaminated with cleaning substances flowing out of the cleaning nozzles of the guide rollers.
  • the baffles which are the boundary of the drying section, are aligned between the nozzle openings so as to face away from the substrate web. In this way, the space available for drying is increased.
  • the baffles are arched away from the substrate web or, for example, at a nozzle arrangement arranged above the substrate web, triangular baffle surfaces, which are in the form of pointed roofs, are located between the nozzle openings in cross-section. Even such arrangements of baffles can be cleaned quite easily, since they have no inaccessible areas.
  • a nozzle arrangement is provided above the substrate web.
  • a nozzle arrangement can also be provided below the substrate web or the substrate web can be exposed to gaseous medium on both sides.
  • Such devices can be cleaned in the same way with cleaning substances which flow out of cleaning nozzles of the guide rollers.
  • the special configuration of the nozzle arrangement with the closed baffle surfaces simplifies cleaning and limits the area to be cleaned. Even in the case where a guide roller is disposed immediately below a nozzle opening, hardly any cleaning substance is introduced in the area above the nozzles, the so-called pressure space.
  • the Fig. 1 and 2 show a drying device 10 according to the invention.
  • This drying device 10 may be part of a larger drying plant containing a plurality of these drying devices shown 10 or may also be part of a production plant for the production and / or coating of a substrate web 60.
  • the substrate web 60 runs left into the housing 11 of the drying device 10, moves in the direction of movement 61 to the right and runs out of the housing 11 of the drying device on the right side.
  • the movement of the substrate web is supported by guide rollers 20.
  • the substrate web 60 is charged with gaseous medium, namely air, which absorbs volatile substances from the substrate web and / or causes drying of the substrate web 60 by heat exchange.
  • the air flows are in the Fig.
  • the substrate web 60 passes through a drying section 12 of the drying device 10 for this purpose Fig. 1 the drying section 12 is bounded upwards by the nozzle arrangement 30.
  • This nozzle assembly 30 forms several individual nozzles. From each nozzle opening 31 flows gaseous. Medium, namely air, which is supplied to the drying device 10 via the inflow 13 and the pressure chamber 14, on the substrate web 60 and is subsequently passed out of the drying device 10 via a drain, not shown.
  • the air emerging from the nozzles flows, in particular, along the substrate web 60 in the direction of movement 61 and counter to the direction of movement 61 of the substrate web 60. Transverse flows may also occur across the width of the substrate web 60.
  • the area between the nozzle arrangement 30 and the substrate web 60 is selected to be as large as possible.
  • the guide plates 32 are formed between the nozzle openings 31 as a closed surface, which each form a roof-shaped superstructure of the respective area above the substrate web 60 between two nozzle openings 31.
  • the drying section 12 is thus limited upwards by the baffles 32. Except for the nozzle openings 31, which extend as slots across the width of the substrate web 60, thereby an almost closed cover of the drying section 12 is achieved. This results in an easy to clean drying room.
  • a cleaning may be necessary after the entire length of the substrate web 60 has passed the drying device 10 and a new product is to be treated in the same system.
  • this gaseous medium absorbs volatile substances from the substrate web 60 or from the coating of the substrate web 60.
  • This contaminated gaseous medium is deposited on the baffles and the other boundaries of the drying section 12, such as the inner walls of the housing 11 and the guide rollers 20.
  • a comprehensive cleaning process is necessary.
  • a selected cleaning substance 70 can be introduced into the cylindrical cavity of the guide roller 20 through an inlet 23.
  • the guide roller 20 has a plurality of separate cleaning nozzles 21, which are distributed over the guide roller 20.
  • the cleaning nozzles 21 are adjacent distributed in a row over the entire width of the drying device 10.
  • the cleaning nozzles 21 are in this case known nozzles which are inserted into the guide roller 20, which is apparent from the Fig. 2 can not be seen.
  • cleaning nozzles 21 terminate with the roller surface 22, so that they do not project beyond this roller surface 22 in order not to influence the function of the guide roller 20 as a transport roller for a substrate web 60.
  • the cleaning substances 70 fan out of the cleaning nozzles 21 and are sprayed over the entire width of the device 10. In this case, it can be seen that the cleaning substances 70 are directed against the baffles 32 of the nozzle assembly 30.
  • the adjacent regions of the respective guide roller 20, such as housing walls and the lower part of the drying section 12 are subjected to cleaning substances 70.
  • Such a cleaning has the advantage that it can take place automatically.
  • a cleaning process by means of the existing guide rollers 20, which serve as a spray device for the cleaning substances 70, is easy to accomplish without much effort.
  • the drying section 12 closed at the top ie by the almost closed surface of the guide plates 32, the cleaning process becomes additional simplified. This provides a simple option for CIP cleaning (cleaning in place). This cleaning ensures reproducible cleaning results for all products. Since the drying device 10 does not have to be disassembled, the cleaning process is also comparatively very fast.
  • the device 10 is not substantially changed by the additional cleaning nozzles 21, so that it can be assumed that the substrate webs 60 can be guided through the device 10 at the same production speeds via the guide rollers 20.
  • the invention is not limited to the embodiment. Rather, further embodiments of a convection dryer are conceivable.
  • another arrangement of the cleaning nozzles 21 in the guide roller 20 is conceivable, for example, that they are distributed over the entire circumference of the guide roller 20.
  • Each guide roll 20 may be equipped with cleaning nozzles 21, but guide rolls 20 may be provided without this additional equipment.
  • the guide rollers 20 may be provided directly below the nozzles of the nozzle assembly 30, as shown in FIG Fig. 1 is shown, but it is also possible that they are located directly in the middle under the roof formed by the baffles 32, in order to better rinse this in a cleaning process can.
  • Such an arrangement is particularly advantageous even if the nozzle opening is relatively large, since cleaning substance 70 can otherwise enter the pressure chamber 14 from the guide rollers 20 during the cleaning process through the nozzle opening 31.
  • the above-described arrangement, namely the equipment of guide rollers 20 with cleaning nozzles 21 is also suitable for other devices for the treatment of a substrate web.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (14)

  1. Dispositif (10) destiné au traitement d'une bande de substrat (60),
    comprenant un boîtier (11) qui présente au moins un segment de traitement (12) pour la bande de substrat (60), une arrivée (13) et un moyen d'écoulement pour un fluide,
    sachant que dans le segment de traitement (12) est disposé au moins un équipement de guidage en particulier sous forme de rouleau de guidage (20) servant à transporter la bande de substrat (60),
    sachant que pour mettre la bande de substrat (60) sous pression avec le fluide est prévu au moins un ensemble de buses (30) à travers lequel il est possible de guider le fluide en direction du segment de traitement (12).
    caractérisé en ce que
    est contenu un équipement de nettoyage comprenant une arrivée (23) de substances de nettoyage (70) vers l'équipement de guidage et au moins une buse dite « buse de nettoyage » (21) prévue contre l'équipement de guidage,
    sachant qu'au moyen de la buse de nettoyage (21) de la section de guidage, des substances de nettoyage (70) liquides et/ou gazeuses peuvent être introduites dans le segment de traitement (12) à nettoyer.
  2. Dispositif selon la revendication 1, caractérisé en ce que le segment de traitement est un segment de séchage (12) et que la bande de substrat (60) est mise sous pression d'un fluide gazeux via l'ensemble de buses (30), sachant que l'ensemble de buses (30) est prévu au-dessus de la bande de substrat (60) ou en dessous.
  3. Dispositif selon la revendication 2, caractérisé en ce qu'un rouleau de guidage (20) est configuré en corps cylindrique creux, sachant que dans la paroi du cylindre sont prévus des orifices cunéiformes s'élargissant en direction de l'extérieur et qui officient de buse de nettoyage (21).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que des corps de buse séparés dans le rouleau de guidage (20) sont utilisés comme buses de nettoyage (21), sachant que ces corps de buse ne dépassent pas de la surface du rouleau (22).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que plusieurs buses de nettoyage (21) sont prévues voisines sur le rouleau de guidage (20), de sorte que lors d'un nettoyage les substances de nettoyage (70) peuvent jaillir sur toute la largeur du segment de séchage (12) et / ou en ce que le rouleau de guidage (20) est configuré rotatif afin que lors d'un nettoyage les substances de nettoyage (70) puissent jaillir sur toute la hauteur du segment de séchage (12).
  6. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que sont prévues plusieurs buses de nettoyage (21) réparties sur tout le développement du rouleau de guidage (20).
  7. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que sont prévus des moyens pour tempérer les substances de nettoyage (70).
  8. Dispositif selon la revendication 2, caractérisé en ce que l'ensemble de buses (30) se compose de plusieurs buses individuelles (31) voisines agencées dans le sens de déplacement (61) de la bande de substrat (60), buses entre lesquelles sont prévues des tôles de guidage (32) qui limitent le segment de séchage (12) vers le haut et/ou vers le bas, sachant que de préférence les tôles de guidage (32) vont, depuis l'orifice de buses (31), en s'éloignant de la bande de substrat (60).
  9. Dispositif selon la revendication 8, caractérisé en ce que les plaques de guidage (32) agencées entre deux orifices de buses (31) forment une surface fermée, de préférence une surface allant en s'éloignant de la bande de substrat (60), et plus particulièrement encore une surface voûtée ou de forme pointue.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le segment de séchage (12) représente, hormis les orifices de buses (31) et l'entrée ainsi que la sortie de la bande de substrat (60), un espace de séchage fermé.
  11. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce que le rouleau de guidage (20) est configuré réglable en hauteur et/ou déplaçable dans le sens du mouvement (61) de la bande de substrat (60).
  12. Dispositif selon la revendication 1, caractérisé en ce que l'équipement de guidage présente des buses d'air, sachant que le flux d'air sortant des buses d'air sert à transporter la bande de substrat (60).
  13. Dispositif selon la revendication 12, caractérisé en ce que les buses d'air sont utilisées comme buses de nettoyage (21).
  14. Dispositif selon la revendication 1, caractérisé en ce que les buses de nettoyage (21) sont prévues en plus des buses d'air.
EP08020125.4A 2007-11-22 2008-11-19 Dispositif destiné au traitement d'une bande de substrat Active EP2063206B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720016425 DE202007016425U1 (de) 2007-11-22 2007-11-22 Vorrichtung zum Behandeln einer Substratbahn

Publications (3)

Publication Number Publication Date
EP2063206A2 EP2063206A2 (fr) 2009-05-27
EP2063206A3 EP2063206A3 (fr) 2014-04-02
EP2063206B1 true EP2063206B1 (fr) 2016-10-05

Family

ID=38990004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08020125.4A Active EP2063206B1 (fr) 2007-11-22 2008-11-19 Dispositif destiné au traitement d'une bande de substrat

Country Status (2)

Country Link
EP (1) EP2063206B1 (fr)
DE (1) DE202007016425U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500866A (zh) * 2019-07-17 2019-11-26 徐州祥华丝绸有限公司 一种丝织品具有旋转多排风口热力干燥的烘干机设备

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DE102008034453A1 (de) * 2008-07-24 2010-02-11 Lts Lohmann Therapie-Systeme Ag Verfahren zum Herstellen eines Mehrschichtenverbundes auf einer CIP-fähigen Beschichtungsanlage und Verwendung des damit hergestellten Mehrschichtenverbundes für die transdermale Applikation oder die Applikation in Körperhöhlen
CN111359965A (zh) * 2020-04-01 2020-07-03 江西铜博科技有限公司 一种铜箔收卷前的表面清洗装置
CN114877652B (zh) * 2022-07-12 2022-10-14 佛山市新飞卫生材料有限公司 一种离型纸悬浮烘箱
DE102022120125A1 (de) * 2022-08-10 2024-02-15 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Übertragen von Prozessparametern eines Ein- oder Zweikammertrockners zum Trocknen einer auf einem Substrat aufgebrachten Beschichtung auf einen Kammertrockner mit mindestens drei Trocknungskammern

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US5077913A (en) * 1989-08-31 1992-01-07 Measurex Corporation Self-cleaning steambox
JP2000514002A (ja) * 1996-06-24 2000-10-24 ズンドビク ゲゼルシャフト ミット ベシュレンクテル ハフツング シート表面から液体を除去するための液体除去装置
EP1118707A1 (fr) * 1999-12-14 2001-07-25 Valmet, Inc. Dispositif et procédé pour la protection d'un tissu de support
DE10123809A1 (de) * 2001-05-16 2002-11-21 Voith Paper Patent Gmbh Durchströmzylinder
DE10335750A1 (de) * 2003-08-05 2005-03-03 Voith Paper Patent Gmbh Vorrichtung zum Aufbringen von Dampf
DE10361539A1 (de) * 2003-12-23 2005-07-28 Tesa Ag Vorrichtung und Verfahren zur automatischen Abreinigung von Düsenkästen in Schwebedüsentrocknern

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500866A (zh) * 2019-07-17 2019-11-26 徐州祥华丝绸有限公司 一种丝织品具有旋转多排风口热力干燥的烘干机设备

Also Published As

Publication number Publication date
EP2063206A3 (fr) 2014-04-02
EP2063206A2 (fr) 2009-05-27
DE202007016425U1 (de) 2008-01-31

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