EP0838014B1 - Sechoir pour bande de tissu continue - Google Patents

Sechoir pour bande de tissu continue Download PDF

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Publication number
EP0838014B1
EP0838014B1 EP96922027A EP96922027A EP0838014B1 EP 0838014 B1 EP0838014 B1 EP 0838014B1 EP 96922027 A EP96922027 A EP 96922027A EP 96922027 A EP96922027 A EP 96922027A EP 0838014 B1 EP0838014 B1 EP 0838014B1
Authority
EP
European Patent Office
Prior art keywords
drier
blowing
pipes
web
blower
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.)
Expired - Lifetime
Application number
EP96922027A
Other languages
German (de)
English (en)
Other versions
EP0838014A1 (fr
Inventor
Manfred Reimer
Marc-Aurel Voth
Karl-Heinz Gottschalk
Hans-O. Jeske
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.)
BTM Textilmaschinen GmbH
Original Assignee
Babcock Textilmaschinen 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 Babcock Textilmaschinen GmbH filed Critical Babcock Textilmaschinen GmbH
Publication of EP0838014A1 publication Critical patent/EP0838014A1/fr
Application granted granted Critical
Publication of EP0838014B1 publication Critical patent/EP0838014B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F26B13/12—Controlling movement, tension or position of material
    • 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
    • F26B13/007—Treating a particular portion of the web or plate, e.g. the edge

Definitions

  • the invention relates to a dryer for continuous Textile webs according to the preamble of claim 1.
  • the invention is based on a device which in the DE-GM 81 11 908 is described.
  • the blowpipes sit at the beginning of the inlet field, if necessary also one at the end of the run-out field several fields of existing dryer. You are with Provide nozzle slots, the blowing direction on the Web edges aim.
  • the upper blow boxes are missing for the large-scale loading of the textile webs.
  • This The measure obviously serves to provide enough space for the Housing blowpipes with a relatively large cross-section to create, also for the corresponding supply lines, with which the blowpipes without additional blower to the existing air recirculation system are connected. Because of the Missing blow box is only one in the inlet field reduced drying capacity achievable.
  • the length of the The dryer must therefore be enlarged accordingly. Around the enlargement within economically acceptable limits must hold the lengths in which the blowpipes are kept as short as possible. This is the additional drying performance in the edge area limited.
  • Each dryer which is also mentioned in the Documentation are outside of actual dryer, namely in front of the inlet field and behind the outlet field, additional devices are provided.
  • Each attachment includes one under the web edge arranged infrared radiator and one over the web edge arranged blow pipe.
  • a hot air generator in the form of a Fan the suction side with a suction line the infrared heater and its pressure line with the Blow pipe is connected. That way though a reduction in the drying performance of the actual Avoid dryer.
  • Infrared heaters can be used in the case of a unforeseen downtime damage to the ongoing Cause textile web.
  • the prior art also includes a dryer that passes through DE-PS 37 06 615 has become known.
  • This Dryers are guide plates on the chain rails attached, through which in the peripheral areas from the Drying medium escaping from blow boxes and targeted to the edges. You can several such guide plates on one not closer specified section beginning at the dryer inlet strung together. Has this dryer it has been shown that the additional fed to the edges Drying performance is relatively weak, so that it does not come in sufficient in all cases.
  • the invention has for its object a dryer according to the preamble of claim 1, in which without additional space requirement and without reducing the Throughput performance enables effective edge drying becomes.
  • This task is characterized by the characteristics of the Claim 1 solved.
  • the dryer shown schematically in Figure 1 exists made up of a total of six modular units Fields 1 to 6. Endless, equipped with needle bars 7
  • Tension chains 8, 9 are in the usual way with rollers 10, 11, 12 on chain rails 13, 14 in the longitudinal direction through the Dryer led ( Figure 4 and Figure 6). It works Chain center, on each of which a textile web to be treated 15 is needled on the inside of the chain rail 13, 14.
  • the returning run runs along with a dryer horizontal chain guide, as shown in Figure 3 the outside of the chain rail 13, 14. With vertical Chain guide is the returning strand below the extending Run.
  • the two chain rails 13, 14 are in Transverse direction adjustable so that their distance to the width the respectively clamped textile web 15 can be adapted can.
  • the adjustment range includes one on both sides Edge zone, which in Figure 3 by a bracket 16, 17th is symbolized.
  • each blow box 18, 19 is of several Backflow channels 21 penetrates, which - compared to the Nozzles 20 - have a large cross section and differ from the Extend bottom to top.
  • Each blow box 18, 19 is on the pressure side to one Axial fan 22 connected in one to one Fan housing located on the long side of the dryer is housed.
  • the axial fans 22 are adjacent Fields are on in the selected embodiment opposite sides arranged so that they in Figure 1 are only visible for every second field. The fans but everyone can sit on the same side.
  • a space under the lower blow boxes 19 a horizontal intermediate floor 23. It is on the Axial fan 22 opposite longitudinal side with a Provide opening that is covered by a filter 24. Under the filter sits in the through the intermediate floor 23rd separated room 25 a heater, e.g. B. a Burner 26.
  • a heater e.g. B. a Burner 26.
  • the dryer corresponds to the state of the art.
  • blow pipes 27, 28 attached, parallel to the chain rails 13, 14th are aligned.
  • Figure 2 are in the Section of length that begins and ends at the dryer inlet extends over the two fields 1, 2 and therefore one One third of the total length of that shown in Figure 1 Dryer includes two blowpipes 27 strung together, so that the length of a single blow tube 27 is about as large is like the length of a field 1, 2.
  • Each blow tube 27, 28 is connected at both ends to branch lines 29, which are each provided with a shut-off device 30. you go from a supply line 31 and are at the joints adjacent fields 1, 2; 2, 3 between two blow boxes 18 passed through.
  • the branch line 29 is flexible and stretchy. It consists e.g.
  • the supply line 31 is with the pressure side of a blower 32 connected and guided over an additional heater 33.
  • the Blower 32 is on the suction side through a line 34 to the upper blow box 18 on the inlet side of the inlet panel 1 connected.
  • blowpipes can be arranged, especially in fields 3 and 4. These additional blowpipes are on a separate fan, not shown in the drawing connected, which is preferably on the suction side with a other blow box is connected.
  • the blow pipe 27 has a square Cross-section. It is with brackets 35 on the chain rail 13 attached. It rises little above the top Chain rail 13 addition. On a longitudinal edge that is above the Needle bar 7 lies, it is even with a number of Round or slot nozzles 38 distributed over its length provided whose axes are on the edge of the needled Textile web 15 are directed.
  • the needled on the needle bar 7 Textile web 15 with the tension chains 8.9 in the by the Arrow 39 indicated direction continuously through the The dryer moves.
  • the distance between the chain rails 13, 14 is according to the width of the textile web Consideration of shrinkage set.
  • the chain rails 13, 14 with the blowpipes 27, 28 attached to them are located between the upper blow boxes 18 and the lower blow boxes 19.
  • Blowing drying medium onto the textile web 15. That from their descending drying medium passes through the Backflow channels 21 and possibly through spaces between the blow boxes 18, 19 in the above or below the Blow boxes 18, 19 channels, as indicated by arrows 40 illustrated. From there it flows over the filter 24 and the room 25 back to the axial fan 22.
  • the entry field 1 is often used, at least in its first half, worked at elevated temperature, quickly around the incoming wet, cold textile web to heat up. Since the treatment medium for the blowpipes 27, 28 is removed from the inlet field 1, the increased comes Temperature in the entire length section, which with the from Blower 32 loaded blowpipes 27, 28 is equipped, the edge drying benefits. In addition, the temperature can be increased by the radiator 33, which in FIG Is drawn outside the dryer for the sake of simplicity, in practice, however, preferably placed in the dryer is.
  • the control loop includes a Device 41, which at least at the exit of the dryer one side is arranged in the edge area. Preferably a device 41 is assigned to each of the two web edges. With the remaining moisture on the edge of the device 41 of the textile web leaving the dryer.
  • the Device 41 generates a corresponding measurement signal, which via a line 42 is fed to a controller 43.
  • the Controller 43 also becomes an input 44 Command variable entered, e.g. B. a signal that the Setpoint corresponds to the residual moisture.
  • the controller 43 compares the measurement signal with the reference variable and generates it a control signal according to the determined difference.
  • the Control signal acts on the one shown in FIG Embodiment on the drive 45 of the blower 32 in the sense that if the final humidity is too high, the speed increases and thus the intensity of the on the web edge directed blowing is amplified. If it is too low Final humidity, the speed of the fan 32 is reduced, so that over-drying of the edges is avoided.
  • the controller 41 can instead or additionally in the Work in such a way that, depending on the residual moisture measured Shut-off devices 30 of the blowpipes 27, 28 in the different Fields of the dryer are operated. For example measured an end moisture on one edge, which is about that Corresponds to the desired value, the blow pipes 27, 28 are the Fields 1 and 2 switched on. If the final moisture is too high the blowpipes of field 3 are switched on at The blowpipes of field 2 become lower final moisture switched off.
  • a modified embodiment is at the exit another device in the middle of the web arranged with which the remaining residual moisture outside the edge areas is measured.
  • a corresponding one The measuring signal is transmitted over a transmission path which is connected to the Input 44 is connected as a reference variable in the controller 43 entered.
  • the Residual moisture of the web edges continuously to the Residual moisture adjusted to the rest of the web.
  • the dimensioning of the length segment which at the described embodiment the two fields 1, 2nd is based on the curve in the lower part of FIG understand. As the curve shows, it remains Surface temperature of the textile web 15 after a short Heating section up to the end of field 2 in essentially constant. It is always well below 100 ° Celsius in the range of the cooling limit temperature and is in one wide temperature range almost independent of the Temperature of the drying medium. In this part of the Drying section evaporates on the surface adhering moisture. In the following field 3 one observes a marked rise in temperature, which at the end of the Field 4 about the temperature of the drying medium reached. The point F where the rise begins is the point at which the water adheres to the surface evaporated.
  • the length section in which the blowpipes 27, 28 are arranged in this case it is sufficient up to this point. Throughout this section is the Insensitive to excessive temperature of the web Drying medium. Therefore, according to the invention, this Area used to add drying medium to the edges supply high temperature, so that a high Evaporation performance is achieved.
  • the point F depends on the material properties and the Process parameters.
  • the im Section 20 to cooling limit temperature range at most about 50% of the total length of the dryer. Therefore the section in which the web edges of an elevated Exposed to temperature above about 50% at most the dryer length.
  • the shut-off devices 30 enable an optimal adaptation to the individual case. If there are more in the rear of the dryer Blowpipes are provided for edge drying this is supplied with a drying medium, the Temperature is the temperature of the circulated in the end fields Drying medium does not exceed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)

Claims (10)

  1. Sécheur pour bandes de tissu continues comportant des chaínes de tension périphériques (8, 9), guidées horizontalement ou verticalement, auxquelles sont fixés des organes de retenue tels que des lattes à aiguilles (7) ou des pinces de tension, des rails à chaínes (13, 14) qui peuvent coulisser à proximité de zones de bordure (16, 17) transversalement à la direction d'avancement de la bande de textile (15), des caissons de soufflage (18,19), qui sont disposés au-dessus et en dessous de la bande de tissu (15) et recouvrent au moins partiellement les zones de bordure (16, 17), des ventilateurs (22) qui sont reliés du côté refoulement aux caissons de soufflage (18, 19) pour amener un fluide de séchage chaud et des tuyaux de soufflage supplémentaires (27, 28), lesquels sont fixés aux rails à chaínes (13, 14) dans une section longitudinale commençant à l'entrée du sécheur et sont orientés parallèlement à ceux-ci et sont pourvus d'ouvertures de buses (38), dont la direction de soufflage vise sur les arêtes de la bande de tissu (15), caractérisé en ce que la section longitudinale équipée des tuyaux de soufflage (27, 28) s'étend sur au moins 20 % de la longueur totale du sécheur, en ce que des caissons de soufflage (18, 19) sont également disposés dans cette section longitudinale, tant au-dessus qu'en dessous de la bande de tissu, et au moins un ventilateur supplémentaire (32) est prévu pour amener du fluide de séchage sous pression augmentée aux tuyaux de soufflage (27, 28).
  2. Sécheur, suivant la revendication 1, caractérisé en ce que les tuyaux de soufflage (27, 28) d'une section partielle qui s'étend au maximum sur 50 % de la longueur du sécheur sont reliés via une tuyauterie d'amenée (31) au côté refoulement du ventilateur supplémentaire (32), dont le côté aspiration est relié à un caisson de soufflage (18) situé à proximité immédiate de l'entrée.
  3. Sécheur suivant la revendication 1 ou 2, caractérisé en ce que les tuyaux de soufflage (27, 28) d'une section partielle qui s'étend au maximum sur 50 % de la longueur du sécheur sont reliés à une tuyauterie d'amenée (31) qui passe par un chauffage supplémentaire (33) .
  4. Sécheur suivant l'une des revendications 1 - 3, caractérisé en ce que les tuyaux de soufflage (27, 28) sont situés au-dessus des organes de retenue (7) .
  5. Sécheur suivant l'une des revendications 1 - 4, caractérisé en ce que des tuyaux de soufflage (37) sont situés en dessous des organes de retenue (7).
  6. Sécheur suivant l'une des revendications 1 - 5, caractérisé en ce que plusieurs tuyaux de soufflage (27, 28, 37) sont alignés longitudinalement.
  7. Sécheur suivant l'une des revendications 1 - 6, caractérisé en ce que les tuyauteries (29) conduisant aux différents tuyaux de soufflage (27, 28) sont pourvues d'organes de fermeture.
  8. Sécheur suivant l'une des revendications 1 - 7, caractérisé en ce qu'une protection contre l'arrachement des aiguilles (36) est fixée au tuyau de soufflage (27, 28).
  9. Sécheur suivant l'une des revendications 1 à 8, caractérisé par un circuit de régulation comportant au moins un appareil (41) disposé à la sortie du sécheur à proximité d'une arête de bande afin de mesurer l'humidité résiduelle et de générer un signal de mesure correspondant et par un régulateur (43), qui compare le signal de mesure à une grandeur de consigne, génère un signal de positionnement correspondant à la différence calculée et agit avec celui-ci sur des organes de commande du ventilateur (32) et/ou du radiateur supplémentaire (33) et/ou sur les organes de fermeture (30) au sens d'une diminution de la différence.
  10. Sécheur suivant la revendication 9, caractérisé par un appareil disposé à la sortie du sécheur à proximité du milieu de la bande afin de mesurer l'humidité résiduelle et de générer un signal de mesure correspondant et par un chemin de transfert pour introduire le signal de mesure comme grandeur de consigne dans le régulateur (43).
EP96922027A 1995-07-13 1996-06-25 Sechoir pour bande de tissu continue Expired - Lifetime EP0838014B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19525545A DE19525545C1 (de) 1995-07-13 1995-07-13 Trockner für durchlaufende Textilbahnen
DE19525545 1995-07-13
PCT/EP1996/002754 WO1997003331A1 (fr) 1995-07-13 1996-06-25 Sechoir pour bande de tissu continue

Publications (2)

Publication Number Publication Date
EP0838014A1 EP0838014A1 (fr) 1998-04-29
EP0838014B1 true EP0838014B1 (fr) 2001-01-10

Family

ID=7766739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96922027A Expired - Lifetime EP0838014B1 (fr) 1995-07-13 1996-06-25 Sechoir pour bande de tissu continue

Country Status (6)

Country Link
US (1) US5946819A (fr)
EP (1) EP0838014B1 (fr)
AT (1) ATE198664T1 (fr)
DE (2) DE19525545C1 (fr)
TR (1) TR199701371T1 (fr)
WO (1) WO1997003331A1 (fr)

Families Citing this family (12)

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SE505113E (sv) * 1995-10-31 2000-05-29 Flaekt Ab Blåslåda f¦r användning i en anläggning f¦r torkning av en materialbana
DE19803676A1 (de) * 1998-01-30 1999-08-05 Brueckner Trockentechnik Gmbh Vorrichtung zur Wärmebehandlung einer textilen Warenbahn
DE19827647A1 (de) 1998-06-22 1999-12-30 Babcock Textilmasch Verfahren zum Kantenleimen und Spannaggregat mit einer Vorrichtung zum Kantenleimen
DE19858839B4 (de) * 1998-12-19 2005-02-10 Babcock Textilmaschinen Gmbh Verfahren und Vorrichtung zum Wärmebehandeln einer durchlaufenden Warenbahn durch Aufblasen von Dampf
US6108941A (en) * 1999-07-22 2000-08-29 Aeroglide Corporation Conveyor dryer with stationary conveyor support structure
US6131308A (en) * 1999-09-10 2000-10-17 Ingenieurgemeinschaft Wsp, Prof. Dr.-Ing C Kramer, Prof. Dipl.-Ing H.J. Gerhardt M.S. Apparatus for levitational guidance of web material
JP3845236B2 (ja) * 1999-11-22 2006-11-15 富士写真フイルム株式会社 乾燥装置
EP1351030A1 (fr) * 2002-04-02 2003-10-08 Solipat Ag Dispositif et procédé de consolidation d'un composite en fibres
JP4607779B2 (ja) * 2005-03-25 2011-01-05 富士フイルム株式会社 ポリマーフイルムの製造方法
JP6082539B2 (ja) * 2012-07-20 2017-02-15 光洋サーモシステム株式会社 乾燥装置
CN105135862B (zh) * 2015-09-17 2017-08-08 长春安可精密电子工业有限公司 镀铜钢线热风循环烘干系统
US11650012B1 (en) * 2019-04-13 2023-05-16 Michael A. Ellis Nozzle plates for a carpet dryer

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GB358942A (en) * 1930-07-12 1931-10-12 British Celanese Improvements in or relating to the drying and stretching of fabrics
FR1049650A (fr) * 1951-12-06 1953-12-30 Perfectionnements aux tuyères soufflantes des machines de traitement des tissus, papiers, et autres produits
US3731520A (en) * 1967-10-05 1973-05-08 Industrial Nucleonics Corp Dryer performance indicator
BE757119A (fr) * 1969-10-07 1971-03-16 Cmi Corp Secheuse de tapis
US3793741A (en) * 1972-01-07 1974-02-26 Smitherm Industries Drying apparatus with moisture profile control
DE2705760A1 (de) * 1977-02-11 1978-08-17 Artos Meier Windhorst Kg Vorrichtung zum trocknen von breitgefuehrten textilbahnen u.dgl.
DE8111908U1 (de) * 1981-04-22 1981-09-24 Brückner Trockentechnik GmbH & Co KG, 7250 Leonberg Vorrichtung zur heissluft-trocknung einer warenbahn
DE3237104A1 (de) * 1982-10-07 1984-04-12 Alfred Dipl.-Ing. Dr.-Ing. 2105 Seevetal Schraud Vorrichtung zum trocknen der kanten von warenbahnen
WO1985003117A1 (fr) * 1984-01-06 1985-07-18 Oy Wilh. Schauman Ab Procede de surveillance du sechage d'un placage
DE3639929A1 (de) * 1986-11-22 1988-06-01 Babcock Bsh Ag Durchlauftrockner fuer furnierblaetter
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JPH06102360B2 (ja) * 1991-05-27 1994-12-14 株式会社日本製鋼所 横延伸装置のオーブン
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WO1994004740A1 (fr) * 1992-08-26 1994-03-03 A. Monforts Gmbh & Co. Dispositif de soufflerie pour bandes textiles

Also Published As

Publication number Publication date
ATE198664T1 (de) 2001-01-15
EP0838014A1 (fr) 1998-04-29
DE59606318D1 (de) 2001-02-15
TR199701371T1 (xx) 1998-02-21
US5946819A (en) 1999-09-07
WO1997003331A1 (fr) 1997-01-30
DE19525545C1 (de) 1996-09-26

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