EP1158836A2 - Dispositif de rayonnement ainsi que son utilisation et son procédé de traitement des surfaces supèrieures - Google Patents

Dispositif de rayonnement ainsi que son utilisation et son procédé de traitement des surfaces supèrieures Download PDF

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Publication number
EP1158836A2
EP1158836A2 EP01108725A EP01108725A EP1158836A2 EP 1158836 A2 EP1158836 A2 EP 1158836A2 EP 01108725 A EP01108725 A EP 01108725A EP 01108725 A EP01108725 A EP 01108725A EP 1158836 A2 EP1158836 A2 EP 1158836A2
Authority
EP
European Patent Office
Prior art keywords
radiation
arrangement according
radiator
tube
range
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.)
Granted
Application number
EP01108725A
Other languages
German (de)
English (en)
Other versions
EP1158836B1 (fr
EP1158836A3 (fr
Inventor
Walter Dieudonné
Joachim Scherzer
Siegfried Grob
Klaus Schmitz
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.)
Excelitas Noblelight GmbH
Original Assignee
Heraeus Noblelight 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 Heraeus Noblelight GmbH filed Critical Heraeus Noblelight GmbH
Priority to EP06025804A priority Critical patent/EP1775997A3/fr
Publication of EP1158836A2 publication Critical patent/EP1158836A2/fr
Publication of EP1158836A3 publication Critical patent/EP1158836A3/fr
Application granted granted Critical
Publication of EP1158836B1 publication Critical patent/EP1158836B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/0038—Heating devices using lamps for industrial applications
    • H05B3/0066—Heating devices using lamps for industrial applications for photocopying
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/032—Heaters specially adapted for heating by radiation heating

Definitions

  • the invention relates to a radiation arrangement with at least one infrared radiator and at least one further radiator with at least two elongated, permeable to light and IR radiation and to the surrounding atmosphere closed, cladding tubes, of which at least a first cladding tube one Has filament that has sealed tube ends and outer contacts with an outer Power supply is electrically connected, its use and a method for the treatment of surfaces.
  • Infrared emitters are also known from EP 0 428 835 A2 and the corresponding US Pat. No. 5,091,632 known with twin tube spotlights.
  • an infrared radiator with a carbon band use as a heating element; such a carbon band is especially for sale of IR radiation in a medium wavelength range from 1.5 to 4.5 ⁇ m.
  • the invention has for its object to provide a thermal radiation arrangement coatings or prints with pigments or colors on surfaces Drying solvents quickly and at the same time the solvents, such as toluene or let water evaporate quickly.
  • the object is achieved in that at least one second cladding tube is provided, which has a radiator tape, which also has sealed ends and external contacts with the or with a further external energy supply electrically connected is.
  • the second cladding tube is also used to emit infrared radiation, in particular for the output of IR radiation in the middle IR range. It can of course, a different type of temperature radiator instead of the radiator belt are used, which emits radiation in the middle IR range.
  • the arrangement is in the visible spectral range as well as near infrared radiation range, in particular with a wavelength in the range from 780 nm to 1.4 ⁇ m, as also has relatively high levels of radiation in the middle IR radiation range, in particular with a wavelength in the range from 2.5 ⁇ m to 5 ⁇ m.
  • an elongated one is used as the radiator band
  • Carbon tape used is also formed as an elongated spiral. It emits radiation in a medium IR spectral range off, while a filament lamp emits short-wave IR radiation (near IR) and, if necessary, also emits visible light.
  • the radiation arrangement has different Planck distributions due to its superposition as a percentage more IR radiation components than previous radiation sources with only one Temperature in the specified wavelength ranges.
  • thermal radiation sources at least one additional elongated one that is permeable to light and UV radiation Provide tube which has an electrical discharge path and a outputs additional UV radiation in the wavelength range from 0.15 to 380 nm, which in particular is suitable for drying paint.
  • the reduced space requirement compared to individual radiators has proven to be particularly advantageous, by an optional operation of the radiation sources with different wavelengths optimal radiation conditions are set for the respective application areas can.
  • the object is achieved in a method for treating surfaces by means of IR radiation, especially of coated or printed surfaces on substrates or irradiated with dissolved color pigments on a support for drying, thereby solved that the surface at least temporarily with an IR radiation with a high proportion in a first wavelength range from 780 nm to 1.2 ⁇ m and at least at times simultaneously with an IR radiation with a high radiation component in a second Wavelength range from 2.5 microns to 5 microns is treated.
  • a major advantage is the fact that, depending on the embodiment, the individual radiation components of this radiation arrangement can be switched on in an OR combination or operated in a common switching mode. When operating machines with changing processes, this has the advantage that there is no longer a need to change the lamp. The user also no longer needs different individual emitter sources, so that a reduction in the spare parts inventory is achieved.
  • the carbon emitter used can be used as a starting current limiter for the short-wave emitter (incandescent filament).
  • UV radiation components can also be overlaid with the IR spectra become.
  • separate and common operating modes can be combined.
  • FIG. 1a schematically shows a twin tube radiator according to the invention in a perspective view.
  • FIG. 1b shows a twin tube radiator in a front view, but one that is coiled Has carbon emitter.
  • FIG. 1c shows a frontal view of an arrangement which additionally has a tubular discharge lamp has, so that in addition to infrared radiation, UV radiation is also generated can.
  • Figure 2 shows in the diagram the relative intensity of a spectral radiation distribution according to Planck with KW / m 2 nomination with a short-wave infrared radiator (NIR / IR-A) at an operating temperature of 2600 ° C and a carbon radiator at an operating temperature of approx. 950 ° C , the intensity being plotted against the wavelength lambda [ ⁇ m].
  • NIR / IR-A short-wave infrared radiator
  • FIG. 3 shows the spectral absorption of the water for different layer thicknesses in the diagram (2 ⁇ m; 10 ⁇ m), with absorption ranging from 0 to 100 percent over the wavelength Lambda is plotted in ⁇ m.
  • FIG. 4 shows the efficiency of water drying for a layer of 10 ⁇ m in the diagram Thickness, with temperature in Kelvin plotted along the X axis, while efficiency is entered along the Y axis.
  • the radiation arrangement has a twin tube radiator 1, which has two Cladding tubes 2, 3 arranged at least approximately parallel to one another for infrared radiation and visible radiation contains transparent material, preferably quartz glass, the two tubes through an intermediate web 4, which is also made of quartz glass, are mechanically firmly connected.
  • the first tube 2 has one with a Incandescent 5 provided short-wave infrared radiator, the high radiation intensity is in the wavelength range from 780 nm to approx. 1.2 ⁇ m (near IR / IR-A), as from the following Figure 2 (curve II) emerges.
  • the definition of the wavelength range results derives from DIN standard 5030, part 2.
  • a similar radiator is known, for example, from EP 0 428 835 and that mentioned at the beginning corresponding US 5,091,632 known.
  • the incandescent filament 5 of the cladding tube 2 via leaf-shaped current feedthroughs 6, 7 made of molybdenum in the respective pinching area of the tube ends 8 ', 9' of tube 2 with each an outer connection contact 8, 9 electrically and mechanically connected to electrical connection with an external power supply.
  • the tube 3 points against it an infrared radiator with a carbon band as the radiator band 10, which over Terminal contacts 11, 12 and leaf-shaped bushings 13, 14 made of molybdenum in respective squeezing area of the pipe ends 15, 16 with external connection contacts 17, 18 is provided for connection to the power supply.
  • connection between the ends of the carbon band 11 and the current feedthroughs 13, 14 is preferably made of graphite paper, as described, for example, in DE 44 19 285 C2 or the corresponding US 5,567,951 is known. In this way, the lengthways pronounced electrical conductivity of the carbon tape when contacting Power supply can be balanced. It will also improve Cooling achieved.
  • FIG. 1b shows the two cladding tubes 2 lying next to one another and 3 of the twin tube radiator 1, which are connected to one another via an intermediate web 4 made of quartz glass are connected.
  • the emitter band 10 ' according to FIG. 1b is introduced into the Carbon emitter coiled, i.e. that a spiral helix serves as the radiator band 10 '.
  • the coiled emitter band 10 has the particular advantage that a larger proportion of radiation in the wavelength range from 1.6 to 3.8 ⁇ m (near IR / IR-B to medium IR / IR-C) can be emitted according to curve 1 of Figure 2, as it is from the Stefan-Boltzmannschen Law results.
  • the definition of the wavelength range results from the DIN standard 5030, part 2.
  • connection contacts 8, 9, 17 '17 “and 18', 18" correspond in their function largely the contacts 17, 18 explained with reference to FIG. 1. Due to the separate connection contacts, there is a single control of the respective lamps possible, so that they can, for example, simultaneously or also can be operated alternately.
  • FIG. 1c The frontal view of a lamp combination shown in FIG. 1c shows next to the one above described twin arrangement an additional switched as a discharge lamp Radiator arrangement, which is additionally connected via an intermediate web 4 '(quartz glass) Cladding tube 19 made of quartz glass allows the discharge lamp to emit UV radiation. Since the discharge lamp 20 via the intermediate web 4 'with the twin-tube lamp arrangement 1 'is connected, it can also be referred to as a triple tube radiator arrangement become. It is therefore possible to use colored light through visible light and infrared radiation to treat, and at the same time or alternating photoinitiators by means of UV radiation to be treated by discharge lamp 20.
  • the filling of the discharge lamp 20 consists preferably of mercury and possibly an admixture of metal halides, the electrodes 21, 22 are preferably made of tungsten.
  • the energy supply Discharge lamp 20 takes place via current feedthroughs 23, 24, which are preferably as Molybdenum foils are formed.
  • the additional cladding tube 19 of the discharge lamp 20 is made as well as web 4 'or web 4 made of quartz glass, so that here an optimal transparency for UV radiation.
  • the connection contacts 26, 27 of the discharge lamp 20 are also led out separately, so that the discharge lamp 20 is independent of the others both infrared emitters can be ignited and operated.
  • the relative intensity maximum of a carbon radiator with a temperature of 950 ° C. (curve I) is in the range from 1.6 to 3.8 ⁇ m.
  • incandescent filament 5 (curve II) and carbon band 10 or 10 'as the emitter
  • a combination of the two emitters creates a thermal radiation source which has a high total radiation component in the range from 780 nm to 3.5 ⁇ m according to curve III has (near IR to the beginning of middle IR).
  • Such a combination increases the efficiency of processes in which both color pigments have to be dried and associated solvents such as toluene or water which are to be removed from paints or lacquers by evaporation.
  • Short reaction times and high power densities of the short-wave infrared radiation sources can thus be achieved by the double radiator according to the invention. If the temperature of the carbon band 10 or 10 'is increased to 1200 ° C., a similar spectral radiation distribution of the intensity can be achieved as has already been shown with reference to FIG. 2.
  • the spectral absorption of the water can be seen in FIG both for a greater layer thickness of, for example, 10 ⁇ m (curve I) and for a smaller layer thickness of 2 ⁇ m (curve II) of the applied layer is a first maximum Spectral absorption, which is denoted by A1, A1 ', in the wavelength range of approx. 3 um occurs while a second lower maximum with degree of absorption of about 40 to 90 Percent lies in a spectral range of approx. 6 ⁇ m designated A2, A2 '. It can be seen that a layer thickness of only 2 ⁇ m has a lower degree of absorption in the Has absorption points A1 'and A2' of curve II with 90 percent and 40 percent, respectively.
  • the efficiency of water drying stands for a layer 10 ⁇ m thick a functional relationship with temperature; at a temperature in the range From 1500 to 1200 K, the efficiency is in the range of 30 to 40 percent, while in the Range of 3000 K and above drops below 10 percent. It can thus be seen that a optimal efficiency of water drying in the range of 1000 to 1500 K can be achieved.

Landscapes

  • Resistance Heating (AREA)
  • Drying Of Solid Materials (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Radiation-Therapy Devices (AREA)
EP01108725A 2000-05-22 2001-04-06 Dispositif de rayonnement ainsi que son utilisation et son procédé de traitement des surfaces supèrieures Expired - Lifetime EP1158836B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06025804A EP1775997A3 (fr) 2000-05-22 2001-04-06 Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024963A DE10024963A1 (de) 2000-05-22 2000-05-22 Strahlungsanordnung sowie deren Verwendung und Verfahren zur Behandlung von Oberflächen
DE10024963 2000-05-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06025804A Division EP1775997A3 (fr) 2000-05-22 2001-04-06 Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures

Publications (3)

Publication Number Publication Date
EP1158836A2 true EP1158836A2 (fr) 2001-11-28
EP1158836A3 EP1158836A3 (fr) 2002-05-02
EP1158836B1 EP1158836B1 (fr) 2007-01-24

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP06025804A Withdrawn EP1775997A3 (fr) 2000-05-22 2001-04-06 Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures
EP01108725A Expired - Lifetime EP1158836B1 (fr) 2000-05-22 2001-04-06 Dispositif de rayonnement ainsi que son utilisation et son procédé de traitement des surfaces supèrieures

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Application Number Title Priority Date Filing Date
EP06025804A Withdrawn EP1775997A3 (fr) 2000-05-22 2001-04-06 Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures

Country Status (4)

Country Link
US (2) US6421503B2 (fr)
EP (2) EP1775997A3 (fr)
JP (1) JP3650741B2 (fr)
DE (2) DE10024963A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003074199A3 (fr) * 2002-03-06 2004-03-11 Solaronics Technologies Procede de photopolymerisation d'un revetement polymerisable, installation pour la mise en oeuvre de de procede et produit portant un revetement obtenu
WO2014177354A1 (fr) * 2013-05-03 2014-11-06 Heraeus Noblelight Gmbh Dispositif pour sécher et fritter une encre à teneur métallique sur un substrat
EP2926838A1 (fr) * 2014-04-04 2015-10-07 Heraeus Noblelight GmbH Dispositif de désinfection au moyen de rayonnement ultraviolet

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DE19912544B4 (de) * 1999-03-19 2007-01-18 Heraeus Noblelight Gmbh Infrarotstrahler und Verfahren zur Erwärmung eines Behandlungsgutes
DE10211249B4 (de) * 2002-03-13 2004-06-17 Heraeus Noblelight Gmbh Verwendung eines Glanzedelmetallpräparats
FR2847759A1 (fr) * 2002-11-27 2004-05-28 Koninkl Philips Electronics Nv Systeme de chauffage
DE102006004574A1 (de) * 2005-06-06 2006-12-07 Advanced Photonics Technologies Ag Vorrichtung und Verfahren zur Farb- bzw. Lackbeschichtung eines wickelfähigen Bleches
KR101306725B1 (ko) 2007-03-08 2013-09-10 엘지전자 주식회사 히팅장치
US8859938B2 (en) * 2009-01-26 2014-10-14 Nissan North America, Inc. Vehicle cabin heating system
US20100193510A1 (en) * 2009-02-02 2010-08-05 Danilychev Vladimir A Wireless radiative system
TR201906525T4 (tr) * 2013-06-26 2019-05-21 Nestec Sa İçecek veya Gıda Hazırlama Makinesi İçin Hacim Esaslı Isıtma Cihazı.
WO2015035046A1 (fr) * 2013-09-05 2015-03-12 Applied Materials, Inc. Section transversale de lampe pour chauffage de bobine réduit
DE102015113766B4 (de) * 2015-08-19 2019-07-04 Heraeus Noblelight Gmbh Strahlermodul sowie Verwendung des Strahlermoduls
KR101837891B1 (ko) * 2017-02-22 2018-03-13 이우주 액체 순환형 이중관 램프
US11370213B2 (en) 2020-10-23 2022-06-28 Darcy Wallace Apparatus and method for removing paint from a surface
WO2024253170A1 (fr) * 2023-06-06 2024-12-12 ダイキン工業株式会社 Échangeur de chaleur et son procédé de fabrication

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003074199A3 (fr) * 2002-03-06 2004-03-11 Solaronics Technologies Procede de photopolymerisation d'un revetement polymerisable, installation pour la mise en oeuvre de de procede et produit portant un revetement obtenu
WO2014177354A1 (fr) * 2013-05-03 2014-11-06 Heraeus Noblelight Gmbh Dispositif pour sécher et fritter une encre à teneur métallique sur un substrat
JP2016518579A (ja) * 2013-05-03 2016-06-23 ヘレーウス ノーブルライト ゲゼルシャフト ミット ベシュレンクテル ハフツングＨｅｒａｅｕｓ Ｎｏｂｌｅｌｉｇｈｔ ＧｍｂＨ 基材上の金属含有インクを乾燥及び焼結するための装置
US10112237B2 (en) 2013-05-03 2018-10-30 Heraeus Noblelight Gmbh Device for drying and sintering metal-containing ink on a substrate
EP2926838A1 (fr) * 2014-04-04 2015-10-07 Heraeus Noblelight GmbH Dispositif de désinfection au moyen de rayonnement ultraviolet

Also Published As

Publication number Publication date
US20010046379A1 (en) 2001-11-29
JP2002110326A (ja) 2002-04-12
JP3650741B2 (ja) 2005-05-25
EP1775997A2 (fr) 2007-04-18
US6577816B2 (en) 2003-06-10
EP1775997A3 (fr) 2012-02-29
US6421503B2 (en) 2002-07-16
US20020094197A1 (en) 2002-07-18
EP1158836B1 (fr) 2007-01-24
DE10024963A1 (de) 2001-12-13
EP1158836A3 (fr) 2002-05-02
DE50111926D1 (de) 2007-03-15

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