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EP1775997A2 - Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures - Google Patents

Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures Download PDF

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Publication number
EP1775997A2
EP1775997A2 EP06025804A EP06025804A EP1775997A2 EP 1775997 A2 EP1775997 A2 EP 1775997A2 EP 06025804 A EP06025804 A EP 06025804A EP 06025804 A EP06025804 A EP 06025804A EP 1775997 A2 EP1775997 A2 EP 1775997A2
Authority
EP
European Patent Office
Prior art keywords
radiation
radiator
range
infrared
elongated
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.)
Withdrawn
Application number
EP06025804A
Other languages
German (de)
English (en)
Other versions
EP1775997A3 (fr
Inventor
Siegfried Grob
Joachim Scherzer
Klaus Schmitz
Walter Dieudonné
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
Publication of EP1775997A2 publication Critical patent/EP1775997A2/fr
Publication of EP1775997A3 publication Critical patent/EP1775997A3/fr
Withdrawn legal-status Critical Current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 interconnected elongated, permeable to light and IR radiation and sealed against the ambient atmosphere cladding tubes, of which at least a first cladding tube has a filament, the sealed pipe ends and external contacts is electrically connected to an external power supply, as well as their use and a method for the treatment of surfaces.
  • an electric heat radiator which has two helical heating coils arranged parallel to one another, each arranged in a quartz glass tube, the quartz glass tubes being in their length by a fusion connection with one another.
  • the two filaments are connected in series.
  • the invention has as its object to provide a thermal radiation arrangement to quickly dry on surfaces applied coatings or imprints with pigments or paints in solvents and at the same time to let the solvents such as toluene or water evaporate quickly.
  • At least one second cladding tube is provided which has a radiator band, which is also electrically connected via sealed ends and external contacts to or with another external power supply.
  • the second cladding tube is likewise provided for emitting infrared radiation, in particular for emitting IR radiation in the middle IR range.
  • a different temperature radiator instead of the radiator band can be used, which emits radiation in the central IR range.
  • the arrangement has relatively high radiation components both in the visible spectral range and in the near infra-red radiation range, in particular with a wavelength in the range from 780 nm to 1.4 ⁇ m, as well as in the central IR radiation range, in particular with a wavelength in the range from 2.5 ⁇ m to 5 ⁇ m.
  • an elongated carbon ribbon is used as the radiator band, wherein the carbon ribbon is formed in a further preferred form as an elongated spiral. It emits radiation in a medium IR spectral range, while an incandescent filament emits short-wave IR radiation (near IR) and optionally also visible light.
  • the radiation arrangement has a percentage of more IR radiation components than previous radiation sources with only one temperature in the specified wavelength ranges.
  • thermo radiation sources it is possible, in addition to thermal radiation sources, to provide at least one additional, elongated tube permeable to light and UV radiation, which has an electrical discharge path and outputs additional UV radiation in the wavelength range from 0.15 to 380 nm, which is particularly suitable for color drying.
  • a use of the object according to the invention is provided by using a twin-tube radiation arrangement with incandescent filament as the short-wave infrared radiator source and a tube provided with carbon ribbon as the radiator band as the medium-wave IR radiator.
  • the object is achieved in a method for the treatment of surfaces by IR irradiation, in particular of coated or printed surfaces on substrates or dissolved color pigments on a support for drying is irradiated, achieved in that the surface at least temporarily with an IR radiation with a high proportion in a first wavelength range of 780 nm to 1.2 microns and at least temporarily treated simultaneously with an IR irradiation with a high radiation component in a second wavelength range of 2.5 microns to 5 microns.
  • the surface irradiation of the first wavelength range and of the second wavelength range overlap at least temporarily, wherein the first IR radiation from a radiator with a filament and the second IR radiation emitted from a radiator with a carbon band as the radiation source. It proves to be particularly advantageous that, when the first and second wavelength ranges are superimposed, a spectral radiation distribution is achieved with a relatively high radiation fraction in the wavelength range from 780 nm to 3.1 ⁇ m.
  • a significant advantage is the fact that, depending on the embodiment, the individual radiation components of this radiation arrangement can be switched in an OR operation or operated in a common Heidelberg. This results in the advantage of the operation of machines with changing processes that no spot change must take place. Also, the user no longer needs different individual sources of radiation so that a reduction in 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 superimposed with the IR spectra. Again, separate and common modes can be combined.
  • FIG. 1 a shows a perspective view of a twin tube radiator according to the invention
  • Figure 1 b shows a front view of a twin tube radiator, but having a coiled carbon radiator.
  • Figure 1c shows a front view of an arrangement which additionally has a tubular discharge lamp, so that in addition to IR and UV radiation can be generated.
  • Figure 2 shows in the diagram the relative intensity of a spectral radiation distribution 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 about 950 ° C. , wherein the intensity is plotted against the wavelength lambda [ ⁇ m].
  • NIR / IR-A short-wave infrared radiator
  • FIG. 3 shows in the diagram the spectral absorption of the water for different layer thicknesses (2 ⁇ m, 10 ⁇ m), wherein the absorption in the range from 0 to 100 percent is plotted against the lambda wavelength in ⁇ m.
  • Figure 4 shows in the diagram the efficiency of water drying for a layer of 10 microns thickness, wherein the temperature is plotted in Kelvin along the X-axis, while the efficiency along the Y-axis is entered.
  • the radiation arrangement has a twin tube emitter 1, which contains two mutually at least approximately parallel sheaths 2, 3 made of transparent material for infrared radiation and visible radiation, preferably quartz glass, wherein the two tubes by a gutter 4, which also consists of quartz glass , are mechanically fixed together.
  • the first tube 2 has a shortwave infrared radiator provided with an incandescent filament 5, the high emission intensity of which lies in the wavelength range from 780 nm to approximately 1.2 ⁇ m (near IR / IR-A), as shown in the following FIG. 2 (curve II).
  • the definition of the wavelength range results from DIN standard 5030, part 2.
  • a similar radiator is for example from the aforementioned EP 0 428 835 or the corresponding US 5,091,632 known.
  • the filament 5 of the cladding tube 2 via sheet-shaped current feedthroughs 6, 7 of molybdenum in the respective pinch region of the pipe ends 8 ', 9' of the tube 2, each with an external terminal contact 8, 9 electrically and mechanically connected, the for electrical connection to an external power supply.
  • the tube 3 has an infrared radiator with a carbon ribbon as a radiator band 10, which is provided with external terminal contacts 17, 18 for connection to the power supply via terminal contacts 11, 12 and sheet-shaped current feedthroughs 13, 14 made of molybdenum in the respective pinch region of the pipe ends 15, 16 ,
  • connection between the ends of the carbon ribbon 11 and the current feedthroughs 13, 14 is preferably carried out over graphite paper, as for example from the DE 4419 285 C2 or the corresponding US 6,567,951 is known.
  • graphite paper as for example from the DE 4419 285 C2 or the corresponding US 6,567,951 is known.
  • FIG. 1b The frontal view of Figure 1b shows the two adjacent sheaths 2 and 3 of the twin tube radiator 1, which are connected to each other via a gutter 4 made of quartz glass.
  • the radiator belt 10 ' according to FIG. 1b is wound prior to introduction into the carbon radiator, i. that a helical coil serves as a radiator band 10 '.
  • the coiled radiator strip 10 ' has the particular advantage that a greater proportion of radiation in the wavelength range of 1.6 to 3.8 microns (near IR / IR-B to average IR / IR-C) are emitted according to curve I of Figure 2 can, as it results from the Stefan Boltzmann's law.
  • the definition of the wavelength range results from DIN standard 5030, part 2.
  • the cladding tubes 2 and 3 are - as already explained with reference to Figure 1 a - mechanically connected to each other via a gutter 4; the connection contacts 8, 9, 17 ', 17 “and 18', 18" correspond in their function largely to the contacts 17, 18 explained with reference to FIG.
  • the frontal view of a radiator combination shown in FIG. 1 c has, in addition to the twin arrangement described above, an additional radiator arrangement connected as a discharge lamp, wherein the quartz glass envelope tube 19 of quartz glass of the discharge lamp additionally connected via an intermediate web 4 '(quartz glass) makes it possible to emit UV radiation. Since the discharge lamp 20 is connected via gutter 4 'with the Zwülingsrohrstrahleran Aunt 1', can also be spoken of a triplet tube radiator arrangement, It is thus possible to treat by visible light and infrared radiation color pigments and simultaneously or alternately photo-initiators by means of UV Irradiation by the discharge lamp 20 to treat.
  • the filling of the discharge lamp 20 is preferably made of mercury and possibly an admixture of metal halides, wherein the electrodes 21, 22 are preferably made of tungsten.
  • the additional cladding tube 19 of the discharge lamp 20, like web 4 'or web 4, consists of quartz glass, so that optimum transparency for UV radiation is provided here.
  • the connection contacts 26, 27 of the discharge lamp 20 are likewise led out separately, so that the discharge lamp 20 can be ignited and operated independently of the other two infrared radiators.
  • the relative intensity maximum of a carbon radiator having a temperature of 950 ° C. (curve I) is in the range from 1.6 to 3.8 ⁇ m.
  • incandescent filament 5 (curve II)
  • carbon ribbon 10 or 10 'as emitters With a simultaneous operation of incandescent filament 5 (curve II) and carbon ribbon 10 or 10 'as emitters, a combination of both emitters produces a thermal radiation source which has a high total radiation fraction in the range from 780 nm to 3.5 ⁇ m according to curve III ( near IR to the beginning of middle IR).
  • curve III near IR to the beginning of middle IR.
  • Such a combination increases the efficiency of processes in which both color pigments must be dried, as well as associated solvents such as toluene or water to be removed from paints, or paints by evaporation.
  • short reaction times and high power densities of the short-wave infrared radiation sources can be achieved by the double radiator according to the invention.
  • FIG. 3 shows the spectral absorption of the water on the basis of the diagram, with a first maximum spectral absorption, both for a larger layer thickness of, for example, 10 ⁇ m (curve 1) and for a smaller layer thickness of 2 ⁇ m (curve II) of the applied layer with A1, A1 ', occurs in the wavelength range of about 3 microns, while a second lower maximum with absorbance of about 40 to 90 percent in a designated A2, A2' spectral range of about 6 microns. It can be seen that a layer thickness of only 2 microns has a lower degree of absorption in the absorption points A1 'and A2' of the curve II, each with 90 percent and 40 percent.

Landscapes

  • Resistance Heating (AREA)
  • Drying Of Solid Materials (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Radiation-Therapy Devices (AREA)
EP06025804A 2000-05-22 2001-04-06 Dispositif d'irradiation ainsi que son utilisation et son procédé de traitement de surfaces supérieures Withdrawn EP1775997A3 (fr)

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
EP01108725A EP1158836B1 (fr) 2000-05-22 2001-04-06 Dispositif de rayonnement ainsi que son utilisation et son procédé de traitement des surfaces supèrieures

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP01108725.1 Division 2001-04-06
EP01108725A Division EP1158836B1 (fr) 2000-05-22 2001-04-06 Dispositif de rayonnement ainsi que son utilisation et son procédé de traitement des surfaces supèrieures

Publications (2)

Publication Number Publication Date
EP1775997A2 true EP1775997A2 (fr) 2007-04-18
EP1775997A3 EP1775997A3 (fr) 2012-02-29

Family

ID=7642891

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2130404A4 (fr) * 2007-03-08 2012-03-21 Lg Electronics Inc Dispositif chauffant

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DE19912544B4 (de) * 1999-03-19 2007-01-18 Heraeus Noblelight Gmbh Infrarotstrahler und Verfahren zur Erwärmung eines Behandlungsgutes
AU2003227819A1 (en) * 2002-03-06 2003-09-16 Solaronics Technologies Method for photopolymerzation of a polymerisable coating, installation therefor and product comprising the coating obtained
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
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
DE102013104577B3 (de) * 2013-05-03 2014-07-24 Heraeus Noblelight Gmbh Vorrichtung zum Trocknen und Sintern metallhaltiger Tinte auf einem Substrat
PT3013196T (pt) * 2013-06-26 2019-06-04 Nestle Sa Dispositivo de aquecimento volumétrico para máquina de preparação de bebidas ou alimentos
KR102475565B1 (ko) * 2013-09-05 2022-12-08 어플라이드 머티어리얼스, 인코포레이티드 감소된 코일 가열을 위한 램프 단면
DE102014104851B4 (de) * 2014-04-04 2017-03-30 Heraeus Noblelight Gmbh Vorrichtung zur Entkeimung mittels ultravioletter Strahlung
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
JP7678386B2 (ja) * 2023-06-06 2025-05-16 ダイキン工業株式会社 熱交換器及び熱交換器の製造方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2130404A4 (fr) * 2007-03-08 2012-03-21 Lg Electronics Inc Dispositif chauffant
US8981267B2 (en) 2007-03-08 2015-03-17 Lg Electronics Inc. Cooktop heating element with improved connection structure

Also Published As

Publication number Publication date
EP1158836B1 (fr) 2007-01-24
EP1158836A3 (fr) 2002-05-02
US20020094197A1 (en) 2002-07-18
JP3650741B2 (ja) 2005-05-25
DE50111926D1 (de) 2007-03-15
JP2002110326A (ja) 2002-04-12
US6577816B2 (en) 2003-06-10
EP1158836A2 (fr) 2001-11-28
DE10024963A1 (de) 2001-12-13
US20010046379A1 (en) 2001-11-29
EP1775997A3 (fr) 2012-02-29
US6421503B2 (en) 2002-07-16

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