WO2006015398A1 - Four pour la cuisson d'une couche de vernis appliquee sur un materiau continu - Google Patents

Four pour la cuisson d'une couche de vernis appliquee sur un materiau continu Download PDF

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Publication number
WO2006015398A1
WO2006015398A1 PCT/AT2005/000321 AT2005000321W WO2006015398A1 WO 2006015398 A1 WO2006015398 A1 WO 2006015398A1 AT 2005000321 W AT2005000321 W AT 2005000321W WO 2006015398 A1 WO2006015398 A1 WO 2006015398A1
Authority
WO
WIPO (PCT)
Prior art keywords
furnace
air
shaft
cooling device
oven
Prior art date
Application number
PCT/AT2005/000321
Other languages
German (de)
English (en)
Inventor
Gerald Pascher
Original Assignee
'kaizen' Consulting 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 'kaizen' Consulting Gmbh filed Critical 'kaizen' Consulting Gmbh
Priority to EP05769975A priority Critical patent/EP1789741A1/fr
Publication of WO2006015398A1 publication Critical patent/WO2006015398A1/fr

Links

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
    • F26B13/001—Drying and oxidising yarns, ribbons or the like
    • F26B13/002—Drying coated, e.g. enamelled, varnished, wires

Definitions

  • the invention relates to a furnace for curing a lacquer layer applied to endless material, in particular wire, wherein at least one passage channel is provided for the endless material into which an air flow for curing the lacquer layer is introduced.
  • the atmosphere inside the furnace consists of a mixture of air, solvent vapors and paint fine dust.
  • this mixture of air, solvent vapors and paint fine dust is usually conducted in the circulating air principle via heating coils and catalysts, so that the process atmosphere is purified by sublimation and catalytic reaction.
  • the exhaust gas discharged from the furnace is therefore to be regarded as pure within legally defined pollutant limits.
  • EP 1 070 927 A2 further discloses a different type of device for drying with photoresist or similar coated plates and webs, in which the highest possible uniformity in drying of the coating should be ensured.
  • a continuous dryer is provided with a drying carton, which is divided into three Prtogetherzessterrorismzonen and two Zubuchauchzonen.
  • a removed from a directly adjacent to the drying chamber cooling zone entnom- Mener air flow through a blower in the two Zubuchchipzonen introduced for drying, which is heated for a qualitatively high-quality drying of the derived from the cooling zone air flow before entering the Zu povertyetczonen first over several heating coils.
  • the aim of the present invention is now to provide a furnace of the initially mentioned kind, which is reliably sealed in the region of the furnace outlet against an escape of the contaminated furnace atmosphere, whereby a simple adaptation to different process parameters should be possible.
  • the passage channel has at least one air inlet opening in the vicinity of an oven outlet open to the environment via which the endless material leaves the passage channel, wherein exhaust air does not escape via the air inlet opening is introduced directly to the furnace outlet subsequent wire cooling device in the passage channel.
  • the backpressure of the air exhausted from the exhaust air of the wire cooling device can be adjusted dynamically, wherein the process parameters in the furnace and in the wire cooling device can be regulated independently of each other, so that both the furnace and the wire cooling device can be controlled in a simple manner ,
  • the exhaust air of the wire cooling device can thus be reliably prevented leakage of the furnace atmosphere, whereby the environment of the furnace is not contaminated with polluted air and thus the formation of condensates in the oven outlet opening is prevented.
  • the exhaust air supplied to the furnace of the wire cooling device is already preheated to about 60 0 C, whereby the energy balance of the furnace is positively influenced.
  • the wire cooling device is provided in the passage channel of the furnace a the feed channel and an exhaust duct of the wire cooling device connecting Vietnamesezu ⁇ guide line.
  • the air supply line is connected to a sealing shaft which adjoins the air inlet opening.
  • the sealing shaft comprises a preheating shaft and a Einblas ⁇ shaft.
  • the preheating shaft has a return section and a lead-forward section, which run essentially parallel to one another and are connected to one another via a connecting section curved by approximately 180 °.
  • the preheating shaft can be arranged over a relatively large area adjacent to the passage channel and thus over the waste heat of the furnace heating of Ab ⁇ air of the wire cooling device of about 60 ° up to about 300 0 C can be achieved.
  • the energy balance of the furnace is thus positively influenced.
  • the injection shaft is connected to the preheating shaft via a curved connecting section, preferably by approximately 120 °.
  • the furnace is designed in a manner known per se as a circulating air oven and the duct has an air inlet opening
  • the atmosphere conducted in a circulating air circuit which is preferably conducted via heating coils and catalysts, can be circulated by sublimation and catalytic reaction be cleaned, also in the passage channel, in particular by means of an injector, introduced, and thus a back pressure in the region of the furnace outlet are generated.
  • the exhaust air branched off from the wire cooling device can be regulated independently of the process parameters in the furnace, it is advantageous if the air inlet opening is arranged closer to the outlet of the furnace than the recirculation air inlet opening, since thus the overpressure the circulating air not yet retained furnace atmosphere on the separately controllable back pressure of the introduced exhaust air of the wire cooling device can be prevented from escaping.
  • FIG. 1 schematically shows a longitudinal section of a furnace with a Luf ⁇ Getrittsö réelle for introducing exhaust air of a Drahtkühlvor ⁇ direction;
  • FIG. 2 shows in detail a longitudinal section of the outlet end of the furnace according to FIG. 1;
  • FIG. 3 schematically shows a longitudinal section of a furnace with a be ⁇ adjacent wire cooling device, wherein the exhaust duct of the wire cooler is connected via an air supply line and a sealing shaft with the passage channel of the furnace.
  • Figure 4 is a perspective view of the outlet end of the furnace, but with a sealing shaft having a comparatively short compared to Figure 3 Voriffrmschacht. and - S -
  • FIG. 5 is a perspective view of the seal shaft according to FIG .. 4
  • FIG. 1 shows a longitudinal section of a furnace 1 with a through-feed channel 2 for passing through the continuous material or wire provided with a lacquer layer, a retort 3 with a burn-in zone 4 being provided for this purpose.
  • the wire passed through the furnace 1 enters the furnace 1 at a furnace inlet 5 and leaves the furnace 1 at a furnace outlet 6, the wire subsequently being fed to a wire cooling device 7 arranged adjacently (see FIG.
  • the circulating air introduced into the pass-through duct 2 via a circulating-air air inlet opening 8 is circulated in the furnace 1 with the aid of a blower 9, a heat exchanger 10 and heating devices 11 being provided for heating the air flow.
  • Wei ⁇ ters is a catalyst 12 for cleaning the circulating air, which is composed of a mixture of air, solvent vapors and fine paint dust provided.
  • the circulating air is in this case introduced via a so-called injector 13 in the passage channel 2, wherein the injector 13 has a tapering to the circulating air inlet opening 8 cross section, so that increases the speed of the circulating air to the circulating air inlet opening 8 and so ⁇ a negative pressure in the region of the furnace outlet 6 is generated.
  • This negative pressure increases the negative pressure in the passage channel 2, which is discharged from the furnace 1 via an exhaust gas fan 14, with which circulating air withdrawn via openings 15 on the inside of an injector shaft 16 (see FIG.
  • this negative pressure present in the passage 2 it is ensured that an exit of the furnace atmosphere is prevented in the region of the kiln inlet 5.
  • the passage channel 2 has an air inlet opening 17 in the vicinity of the oven outlet 6 (cf., in particular, FIG.
  • an exhaust air channel 18 of the wire cooler 7 is connected to the passage channel 2 of the furnace 1 via a connecting line 19 and a sealing shaft 20 adjoining the connecting line 19.
  • a wire cooling exhaust fan 18 'in the exhaust duct 18 of the wire cooling device 7 is arranged.
  • the sealing shaft 20 can have a preheating shaft 21, which is arranged parallel to the through-channel 2 and is divided into a return section 21 'and into a preliminary section 21 ", which extend parallel to one another and over a 180 ° curved Ver ⁇ connection portion 22 are interconnected.
  • a preheating shaft 21 which is arranged parallel to the through-channel 2 and is divided into a return section 21 'and into a preliminary section 21 ", which extend parallel to one another and over a 180 ° curved Ver ⁇ connection portion 22 are interconnected.
  • the preheating shaft 21 can be made considerably shorter in comparison with the exemplary embodiments according to FIGS. 1 and 2. Although in comparison with the preheating shaft 21 shown in FIG. 2, a lower heating of the exhaust air of the wire cooling device 7 is achieved, such a short preheating shaft 21 can also subsequently be easily inserted into already existing furnaces 1.
  • the sealing shaft 20 opens via an injection shaft 23 in the air inlet opening 17 of the passage channel 2, wherein the injection shaft 23 ver ⁇ over a substantially by about 120 ° curved connecting portion 23 'with the preheating shaft 21 is connected.
  • the air inlet opening 17 can in this case, as in the in Fig. 4th shown embodiment, either on the underside of the passage channel 2 or even, as can be seen in particular in Fig. 3, be arranged on the upper side of the passage channel 2. All that is essential is that the exhaust air removed from the wire cooling device 7 is introduced into the passage channel 2 in the area of the outlet end 6 of the furnace 1, in order to reliably prevent an exchange of the contaminated furnace atmosphere entrained with the wire.

Abstract

L'invention concerne un four (1) utilisé pour la cuisson d'une couche de vernis appliquée sur un matériau continu, en particulier un fil métallique. Ce four comprend au moins un canal de passage (2) qui est destiné au matériau continu et dans lequel est introduit un flux d'air pour la cuisson de la couche de vernis. Ce canal de passage (2) comporte au moins une ouverture d'entrée d'air (17) située à proximité d'un orifice de sortie de four (6) qui débouche sur l'environnement et par lequel le matériau continu quitte le canal de passage (2). L'air évacué provenant d'un dispositif de refroidissement de fil (7) raccordé indirectement à l'orifice de sortie de four (6) est introduit dans le canal de passage (2) par l'intermédiaire de l'ouverture d'entrée d'air (17).
PCT/AT2005/000321 2004-08-10 2005-08-09 Four pour la cuisson d'une couche de vernis appliquee sur un materiau continu WO2006015398A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05769975A EP1789741A1 (fr) 2004-08-10 2005-08-09 Four pour la cuisson d'une couche de vernis appliquee sur un materiau continu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT13622004A AT414041B (de) 2004-08-10 2004-08-10 Ofen zum aushärten einer auf endlosmaterial aufgebrachten lackschicht
ATA1362/2004 2004-08-10

Publications (1)

Publication Number Publication Date
WO2006015398A1 true WO2006015398A1 (fr) 2006-02-16

Family

ID=35094216

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2005/000321 WO2006015398A1 (fr) 2004-08-10 2005-08-09 Four pour la cuisson d'une couche de vernis appliquee sur un materiau continu

Country Status (3)

Country Link
EP (1) EP1789741A1 (fr)
AT (1) AT414041B (fr)
WO (1) WO2006015398A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010081327A1 (fr) * 2009-01-19 2010-07-22 东莞泽龙线缆有限公司 Procédé de répartition d'énergie thermique de combustion catalytique dans une machine d'émaillage et dispositif associé
CN102867597A (zh) * 2012-08-20 2013-01-09 东莞泽龙线缆有限公司 一种多线位漆包机节能减排回风量设置的方法及设备结构
CN104267760A (zh) * 2014-09-10 2015-01-07 东莞泽龙线缆有限公司 一种漆包机远程自动化控制的方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351329A (en) * 1965-10-20 1967-11-07 Gen Electric Wire coating oven apparatus
GB1239094A (fr) * 1969-06-30 1971-07-14
DE3118830A1 (de) * 1981-05-12 1982-12-09 MAG Maschinen und Apparatebau GmbH, 8055 Graz "anlage zur lackdrahtherstellung im inlineverfahren"
US4752217A (en) * 1987-08-28 1988-06-21 Essex Group, Inc. Wire coating oven including wire cooling apparatus
DE3741328A1 (de) * 1987-12-03 1989-06-15 Lackdraht Union Gmbh Verfahren zur herstellung eines lackdrahtes und vorrichtung zur durchfuehrung des verfahrens
DE3942609A1 (de) * 1988-12-23 1990-06-28 Sicme Spa Verfahren zur waermebehandlung von mit einer kunststoff-beschichtung versehenen drahtfoermigen produkten, sowie ein ofen zur durchfuehrung des verfahrens
EP0543439A1 (fr) * 1991-11-19 1993-05-26 Stork Contiweb B.V. Sécheur avec gestion améliorée de gaz
EP1070927A2 (fr) * 1999-07-22 2001-01-24 Systronic Maschinenbau GmbH Sécheur en continue de plaques ou de bandes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351329A (en) * 1965-10-20 1967-11-07 Gen Electric Wire coating oven apparatus
GB1239094A (fr) * 1969-06-30 1971-07-14
DE3118830A1 (de) * 1981-05-12 1982-12-09 MAG Maschinen und Apparatebau GmbH, 8055 Graz "anlage zur lackdrahtherstellung im inlineverfahren"
US4752217A (en) * 1987-08-28 1988-06-21 Essex Group, Inc. Wire coating oven including wire cooling apparatus
DE3741328A1 (de) * 1987-12-03 1989-06-15 Lackdraht Union Gmbh Verfahren zur herstellung eines lackdrahtes und vorrichtung zur durchfuehrung des verfahrens
DE3942609A1 (de) * 1988-12-23 1990-06-28 Sicme Spa Verfahren zur waermebehandlung von mit einer kunststoff-beschichtung versehenen drahtfoermigen produkten, sowie ein ofen zur durchfuehrung des verfahrens
EP0543439A1 (fr) * 1991-11-19 1993-05-26 Stork Contiweb B.V. Sécheur avec gestion améliorée de gaz
EP1070927A2 (fr) * 1999-07-22 2001-01-24 Systronic Maschinenbau GmbH Sécheur en continue de plaques ou de bandes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010081327A1 (fr) * 2009-01-19 2010-07-22 东莞泽龙线缆有限公司 Procédé de répartition d'énergie thermique de combustion catalytique dans une machine d'émaillage et dispositif associé
CN102867597A (zh) * 2012-08-20 2013-01-09 东莞泽龙线缆有限公司 一种多线位漆包机节能减排回风量设置的方法及设备结构
CN104267760A (zh) * 2014-09-10 2015-01-07 东莞泽龙线缆有限公司 一种漆包机远程自动化控制的方法

Also Published As

Publication number Publication date
AT414041B (de) 2006-08-15
EP1789741A1 (fr) 2007-05-30
ATA13622004A (de) 2005-11-15

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