EP1327844A2 - Procédé et dispositif pour le traitement d'un substrat et/ou d'un matériau de revêtement sur un substrat - Google Patents

Procédé et dispositif pour le traitement d'un substrat et/ou d'un matériau de revêtement sur un substrat Download PDF

Info

Publication number
EP1327844A2
EP1327844A2 EP02028602A EP02028602A EP1327844A2 EP 1327844 A2 EP1327844 A2 EP 1327844A2 EP 02028602 A EP02028602 A EP 02028602A EP 02028602 A EP02028602 A EP 02028602A EP 1327844 A2 EP1327844 A2 EP 1327844A2
Authority
EP
European Patent Office
Prior art keywords
substrate
microwaves
microwave
coating material
dried
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Withdrawn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
EP02028602A
Other languages
German (de)
English (en)
Other versions
EP1327844A3 (fr
Inventor
Karl-Wilhelm Schrade
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.)
DCT DRY CONTROL TECHNOLOGIES GMBH & CO. KG
Original Assignee
Dct Dry Control Technologies & Co KG 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 Dct Dry Control Technologies & Co KG GmbH filed Critical Dct Dry Control Technologies & Co KG GmbH
Publication of EP1327844A2 publication Critical patent/EP1327844A2/fr
Publication of EP1327844A3 publication Critical patent/EP1327844A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy

Definitions

  • the invention relates to a method and an apparatus for treating a Coating material on a substrate and / or a substrate and a new one Use of a microwave oven.
  • the coating materials and / or the substrates When treating the coating materials and / or the substrates, it can be to harden crosslinking and / or drying the coating materials and / or Trade substrates.
  • the coating materials can be all types of Trade coating materials, for example all types of paints and Powders.
  • the substrates can be metal, plastic, ceramic, wood and glass and mixtures, combinations or compounds of these materials act.
  • FR 2458323 describes a method for coating a substrate with which a thin layer of a coating is applied to the substrate is applied.
  • the coating on the glass or a similar fabric existing substrate is heated by applying microwave energy, this energy being in a selected frequency range that determined Selectively excites components of the coating.
  • the regulation is the Microwave radiation designed so that the fed into the drying room Microwave radiation is changed in frequency to the extent that the Temperature of the coating maintains a constant nominal value. This will a pyrometer is used.
  • the paints are specially made for the microwave radiation used, for example, by the introduction of Coal dust modified.
  • frequencies in the range of 2.45 GHz is used, only non-conductive substrates being used.
  • DE 4121203 A1 discloses a method and a device for drying of water-soluble dispersion varnish on paper or cardboard webs or sheets with the help of microwaves. In doing so, commercially available and approved Oscillators are used, the microwave energy in multiple arrangement Couple the waveguide. It is dried in a pass, after drying residual moisture remains when using the lowest energy level.
  • DE 19626512 A1 describes a continuous microwave oven for baked goods known with a housing having an inlet and an outlet which is a conveyor belt for transporting the baked goods in that extends through and out of the housing, the at least one Microwave device comprising a microwave generator which can be cooled by cooling air having a transmitter antenna, is arranged in a waveguide, which of the transmitter antenna conducts emitted microwaves and in the range of Conveyor belt has a radiation opening for radiating the microwaves, the cooling air cooling the microwave generator via at least one im Waveguide trained breakthrough in the waveguide and from it Beam opening is inflatable.
  • DE 19721461 A1 also describes a process for drying paints metallic or non-metallic individual parts or assembled assemblies any structure in the continuous process or in stationary operation in one heated drying room known, being the heat source in the drying room at least one microwave module for generating by means of waveguides defined exit openings in the drying room introduced microwaves is used, air to flow around the individual parts in the Drying room is introduced, the air introduced with an additive is enriched with dipole character such that the air mixture has a relative Proportion of additive within a specified controllable range of 20 has up to 90%, and the proportion of additive in the drying room is observed.
  • a method is known from US Pat Lacquer applied to the glass substrate can be dried using a microwave.
  • DE 4433904 discloses continuous drying of colors using a microwave known on paper or the like.
  • a disadvantage of the above-mentioned drying processes and devices also the high energy consumption for drying are the long ones Drying times that are necessary and furthermore the need having to use special paints.
  • drying times that are necessary and furthermore the need having to use special paints.
  • infrared radiation furthermore disadvantageous that due to the formation of shadows only Components of simple geometric shape can be dried.
  • the object of the invention is to provide the known treatment methods and improve devices.
  • This object is achieved according to the invention by a method according to claim 1, by a device according to claim 30 and by using a Microwave oven for treating a coating material on a substrate solved according to claim 42.
  • Microwaves are understood here to mean an electromagnetic wave, the one Has a wavelength between 0.1 mm and 1000 m. Are preferred in the Invention microwaves with a wavelength between 3m and 30 m used.
  • the device according to the invention and All types of coating materials can be used according to the invention be treated.
  • Multi-component paints on a wide variety of raw material bases e.g. on Epoxy or polyurethane base, and also stove enamels, synthetic resin lacquers, oxidative-curing lacquers, moisture-curing, UV-curing lacquers and Powder coatings.
  • the coating materials on the substrates alone, the Coating materials on the substrates simultaneously with the substrates or only the uncoated or coated substrates are treated alone.
  • the Throughput time for the treatment of coating materials on substrates, especially for drying paints on plastic or metal surfaces is significantly reduced.
  • This increases the economy according to the invention Devices over the prior art.
  • the Using microwaves requires considerably less energy than with the Prior art method for drying lacquers on substrate was necessary. This also increases the economy of the invention Devices.
  • the footprint is also called space footprint Devices according to the invention less, since the microwaves small-scale magnetrons can be generated and on long ventilation distances can be dispensed with.
  • coating material can be clearly seen Dry cheaper than before. Because the total cost of industrial Painting processes become crucial due to the drying of the paint Expenses determined. When using convective drying processes of the The state of the art is generally systems with extensive evaporation, Drying and cooling zones required. Among other things, these cause substantial Energy costs as well as costs for depreciation on plants and buildings. Due to increasing demands on environmental compatibility Coating materials are increasingly coming to a greater extent than before water-dilutable coating materials are used. However, these require in Compared to conventional paints a greater energy input when Drying process. The process step is due to high energy prices Paint drying important for the economy of the whole Coating process.
  • the invention allows a greater energy input and Realize cost savings in the drying process. Because the invention enables it, both when using conventional as well as from water-thinnable paint systems, the drying time, drying time and cooling time to reduce.
  • the invention includes the knowledge that it Offers the possibility of selective paint drying, i.e. a paint drying under largely avoiding heating of the substrate used. Though have also recently found ultraviolet, infrared and microwave drying more attention; is the use of ultraviolet and infrared drying processes however due to the shadow formation that occurs on drying limited geometrically simple components. This is the one used Microwave radiation of the invention is not the case.
  • Microwaves have already been used for drying in the prior art used, however, the overheating of metallic substrates was not to avoid leaving microwaves for the treatment of coating materials could not previously be used on metal or metal-containing substrates.
  • the drying of coating materials such as e.g. of paints, on metal or metal-containing substrates.
  • the invention also avoids the disadvantages of shadowing the prior art Technology, since the shadow formation itself is avoided by the invention.
  • the invention includes the finding that due to the use of at least two wavelengths, preferably an entire wavelength spectrum, is advantageously possible to radiate a higher output overall and thus overall to achieve a higher energy input into the paint to be dried.
  • heating in the Coating material allows, which only dries the above mentioned coatings on metal or metal-containing substrates is possible.
  • Electromagnetic radiation in the above Wavelength range of the microwaves unlike ultraviolet or X-rays, it does not have an ionizing effect.
  • absorption of microwave radiation becomes the absorbent material heated. This happens above all through one in the material Molecular movement, which in part depends on the dielectric properties of the Material can depend. This applies to both the coating material and the substrate. It comes under the influence of the electric field of the microwaves in every material about changes of state.
  • conductors such as for metals, there are displacements of freely moving electrons inside the material and thus for the formation of an electrical opposing field up to compensation of the outer field.
  • non-conductors under the influence of a electric field charges shifted as far as the restoring forces allow in the material.
  • the speed of the process determining step for the absorption of microwave energy always the Relaxation of the excited states after switching off the microwave field.
  • the polarization of a material in the electric field occurs according to different Mechanisms whose importance depends heavily on the frequency of the acting Field. For example, by exposure to ultraviolet or infrared radiation the resonance frequencies of electron and Atomic polarization due to the relatively short prevailing there Relaxation times stimulated. The polarization must be distinguished from this on the basis of orienting polar molecules as well as due to ion conduction, which Range of the microwave radiation used according to the invention Have resonance frequencies. The position of the absorption maxima within the microwave frequency spectrum used by the Mobility of the particles contributing to the polarizability of the material certainly. As a result, the position of the absorption maxima is also dependent on the molar mass of the considered particles and the temperature of the material.
  • the frequency spectrum according to the invention can be particularly advantageous realize if a microwave source used, preferably a used one Magnetron, always on, more preferably on and off all the time becomes. It has proven to be advantageous if these inputs and Switch-off operations are carried out with a period of 5 ms. This Period ensures an optimal drying process of the above Paints. Especially with water-thinnable and solvent-based paints is advantageously achieved that the solvent the paint before crosslinking the Leave the paint so that no stoves can appear on the paint.
  • the Microwave energy from two sides in a stationary range of action Microwave sources irradiated. It is further preferred if two Microwave sources are aligned and only one of the two opposite microwave sources with the help of the invention Control means is switched on and off periodically.
  • the device is preferably calibrated so that the sensor on the one hand no stationary area of action to be dried and on the other hand stationary on an object to be dried Effective range is calibrated. If an object to be dried now enters the stationary area of effect, the sensor can determine that such is present in the stationary sphere of activity. The magnetron will then preferably switched on every 5 ms and then switched off again. Provides the sensor determined that there is no object to be dried in the stationary Effective range of the magnetrons, the magnetrons are preferred only switched on and then off again every 500 ms. In this way energy is saved.
  • the senor is the anode of the Magnetrons.
  • the reflected microwave energy can be detected and adjusted evaluate the aforementioned calibration in such a way that it can be determined whether there is an object to be dried in the stationary area of action or not. In this way, the provision of a avoid additional sensors.
  • the device is like this calibrated that the sensor, preferably the anode of the magnetron, not only can detect whether there is an object to be dried in the stationary Effective area is located, but can also capture what type of Subject matter. So can be done with the previously Calibration step the reflections detected by the anode of the magnetron various items stored and the corresponding item be assigned. Now such an object occurs in the stationary Effective range of the magnetron, so by the reflection of the Subject caused change in the anode current and the corresponding Control circuitry for processing such a change to be determined what object it is. After that, it is preferred possible, the total power of the emitted microwave energy but also the Composition of the frequency spectrum on the respective object to adjust adjusted. For example, in the case of exterior mirror housings from Automobiles, a different microwave energy and a different frequency spectrum displayed to enable optimal drying than this at fine jagged metal parts such as windshield wipers.
  • the anode Sensor for the microwave energy reflected from the object that adaptive radiation of microwave energy by the Magnetron can be reached, depending on whether more at the time or less retroreflected energy is detected by the anode. So it can also an irregular switching on and off of the magnetron according to the energy recorded by the anode. It is so in particular possible that in the event of a sharp increase in the retroreflected and from the Anode detected energy, for example, due to a metal part on the material the radiated magnetron energy is immediately reduced, so that excessive heating can be avoided.
  • Any metal-plastic combination can be made using the device according to the invention and with the aid of the method according to the invention to treat.
  • paint can be applied to such a composite component Dry metal and plastic using the invention.
  • this is Staggering the microwave power in the direction of movement of the patient to be treated Realized zones lying one behind the other.
  • a constant microwave fundamental frequency of about 2.5 gigahertz is an adjustable one and modulating frequency increasing from zone to zone.
  • each Zone a particularly advantageous to the absorption maxima of the to be dried Materials matched modulation frequency.
  • the basic frequency of about 2.5 Gigahertz in ascending order with modulated frequencies of about 1.2, about 1.6, about 1.9, about 2.1, about 2.5, and about 3 gigahertz is modulated.
  • the Plastic substrates can also contain metal.
  • a lacquer is to be dried on ceramic or wood, it should still another zone with a base frequency of about 2.5 gigahertz modulated frequency of about 900 megahertz can be set up as this has proven to be particularly advantageous for ceramics and wood.
  • microwave drying according to the invention thus offers the advantage that the paint drying directly on the chemistry of the to be dried Coating materials and substrates are matched and tailored.
  • Coating materials and substrates do not require a subsequent flash-off time because cooker-free dry lacquer surfaces are created.
  • the invention thus offers one treatment, in particular one Drying paints on substrates with selective heating of the paint low thermal stress on the component and thus new ones Lacquer / substrate pairing enabled. Since the substrate is not heated, that is Energy consumption is also lower since there is no heat loss for the Substrate heating is consumed. At the same time, a smaller one Consumption of cooling capacity and thus again lower energy consumption required, since the substrate itself does not need to be cooled after drying, because there is no energy or only a negligible amount of energy is entered.
  • the stationary Area of effect over the waveguide over which the magnetron Microwave energy radiates into the stationary area of action including the Waste heat from the magnetron supplied.
  • an air temperature of below 120 ° C, preferred between 60 and 80 ° C can be reached.
  • This temperature has proven to be optimal for drying of paint on metal or metal-containing substances. Because on this In this way it is achieved that the surface of the paint does not dry first, while the inside of the paint is still damp. Rather, it achieves that the drying of the paint starts inside the paint and continues continues on the outside so that the paint dries completely becomes.
  • cooling hoses cooling the air is carried out in front of and behind the stationary effective area.
  • the air humidity is too high, targeted condensation of the Humidity can be made on such cooling hoses without it a condensation on the object to be dried and thus one disadvantageous droplet formation on the object to be dried can.
  • a humidity of about 50% is maintained constantly. This humidity is special advantageous because in this way the microwave energy in the optimal Paint is entered and also the reflection of the object to be dried can be optimally detected by the anode of the magnetron.
  • the Drying the paints on the metal surfaces in a continuous process because the microwaves have a certain effective range can be limited without excessive loss of energy.
  • such a continuous process can be a very large one Number of small parts in particular can be dried in a relatively short time because with the use of microwave ovens according to the invention for drying the paints are guaranteed to dry very quickly.
  • the invention thus sets itself against long-held prejudices against use of microwaves when drying paints or varnishes on metal surfaces time.
  • a continuous microwave oven which is provided with can be used particularly advantageously for carrying out the method according to the invention a housing with an inlet and an outlet, and a conveyor belt extending through the housing for transporting metal parts into, through and out of the housing and at least one microwave device which has a microwave generator which can be cooled by cooling air and has a transmitter antenna which is arranged in a waveguide which transmits microwaves emitted by the transmitter antenna conducts and in the area of the conveyor belt has a radiation opening for radiating the microwaves, the cooling air cooling the microwave generator being able to be introduced into the waveguide via at least one opening formed in the waveguide and being able to be blown out from its radiation opening.
  • each waveguide serves both to transport the microwave energy as well as to transport the cooling air, the comes from the microwave generator.
  • each waveguide is provided with one or more openings through which the cooling air, which (immediately) flowed around and cooled the microwave generator into the Waveguide flows in.
  • the now heated cooling air is through the waveguide transported to the metal via the radiation opening of the waveguide impinge. Separate cooling air lines are no longer required.
  • the connection is made via the at least one breakthrough in the Wall of the waveguide.
  • This breakthrough is in the direction of air flow viewed behind the microwave generator and in the direction of propagation Microwaves viewed behind the transmitter antenna.
  • the waveguide runs in a straight line in the area of the at least one opening, during the ventilation duct, which is in the area of the microwave generator in particular runs parallel to the waveguide, behind the microwave generator runs obliquely towards the waveguide.
  • the wall that runs diagonally to the waveguide of the ventilation duct conducts the cooling air through the at least one opening into the waveguide.
  • a continuous microwave oven 10 is shown in side view, the one Has frame 12; on the top is a preferably made of Teflon Endless conveyor belt 14 is located on the upper run metal plates 16 in Direction of arrow 18 are transported.
  • a housing 20 On the top of the frame 12 there is also a housing 20 which has an inlet opening 22 and a Has outlet opening 24 through which the metal plates 16 from Conveyor belt 14 are transported.
  • the frame 12 is also with a Provided holding plate 26 which is arranged below the conveyor belt 14 and 1 the attachment of several arranged in groups Microwave devices 28 is used.
  • the microwave devices 28 are shown in FIG arranged a total of three groups, each group six Microwave devices 28 includes (see Figure 2).
  • Any microwave device 28 has a blower 30, on the housing 32 of which a cooling air duct 34 connected.
  • a microwave generator 36 is located in the cooling air duct 34 (hereinafter also called magnetron), whose transmitter antenna 38 protrudes into a waveguide 40 arranged adjacent to the cooling air duct 34.
  • the waveguide 40 is attached to the holding plate 26 from below, on which Waveguide 40 itself held the ventilation duct 34 with the blower housing 32 is.
  • two of the six waveguides 40 end immediately below the conveyor belt 14, which for microwave energy and is permeable to air and in particular from each other spaced transport chains.
  • the waveguide 40, the too both sides of the middle waveguide ending below the conveyor belt 14 40 are arranged, have angled substantially L-shaped Extension pieces 42, which protrude into the housing 20 and each other end opposite.
  • Waveguide extension pieces 44 connected, which are also inside the Housing 20 extend and immediately adjacent to each other above the Conveyor belt 14 end opposite the two middle waveguides 40.
  • the radiation openings 46 of all waveguides are thus located 40, 42, 44 of a group of microwave devices 28 around the metal plate around them from their sides, from below and from above To irradiate microwave energy.
  • a lacquer layer 50 the is applied to the surface 52 of the metal plate 16 during the Stay in the continuous microwave oven 10 by means of the symbolic shown microwaves 54 completely dried.
  • the cooling air flowing around the magnetron 36 arrives laterally into the waveguide 40.
  • the waveguide 40 in its opening adjacent to the ventilation duct 34 has several openings 48.
  • the ventilation duct runs obliquely, which is indicated at 50 in FIG. 1.
  • Radiation openings 46 of the waveguide 40, 42 and 44 not only microwave radiation 54, but also radiated warm air directed at the metal plate.
  • Both Energy sources microwave radiation and warm air
  • FIG. 3 shows a side view of a second exemplary embodiment of the invention, a continuous microwave oven 10 with 2 magnetrons 36. Parts that those of Figures 1 and 2 correspond to the same reference numerals. With regard to the function of these parts, reference is made to the description of FIGS. 1 and 2 directed.
  • the oven 10 according to FIG. 3 shows a metal plate 16 to be dried with one on a surface 52 applied varnish layer 50.
  • the lower magnetron 36 is another magnetron 36 arranged opposite each other.
  • the lower magnetron 36 radiates constantly Microwaves 60 from.
  • the upper magnetron 36 shown in FIG. 3 shines pulsed microwaves 62. This is done by a periodic, every 5 ms the magnetron 36 is switched on and off. In this way it is achieved that the microwaves 62 have a spectrum of wavelengths. This spectrum is calibrated to the properties of the Metal plate 16 set.
  • Anode 38 also reflects that from surface 52 of metal plate 16 Microwave radiation 64 detected and with the help of a magnetron connected Evaluation and control circuit 66 evaluated.
  • This control circuit 66 compares the evaluated reflection 64 with one in a memory 68 stored set of objects acquired by prior calibration.
  • the evaluation and control circuit 66 recognizes a correspondence between the Reflection 64 with a reflection pattern stored in the memory 68, see it adjusts the radiation power of the anode 38 and the on / off frequency of the Anode 38 accordingly.
  • the on / off frequency of the Magnetrons 36 increased by control circuit 66 to 500 ms to power save.
  • the on / off frequency again reduced to 5 ms.
  • the effective area 69 is in 3 is shown only schematically, since in reality it is slightly arched, since the microwaves 60 and 62 easily enter the housing 20 diverge.
  • Cooling hoses 70 are provided for cooling the input area 22 of the housing 20 intended. Possible moisture caused by the Entrance 22 arrives, condense so that it does not on the paint 50th can deposit. Within the housing 20 is thus in particular in the Area of effect 69 reaches a humidity of 50 ° C.
  • the configuration of the cooling air duct 34 of the waveguide 40 and the Cooling air duct 34 with air grille 72 connecting waveguide 40 becomes such chosen that the waste heat of the magnetron 36 in the stationary Area of effect 69 causes an air temperature between 60 and 80 ° C, which a Temperature of the surface 52 of the metal plate 16 of about 45 to 50 ° C result Has. In this way it is achieved that the lacquer layer 50 through the Microwave radiation 60 or 62 is dried and not by heat or Infrared radiation is dried. Because the latter would either have to dry the surface 74 of the lacquer layer 50 before the lacquer layer 50 dries itself, which could disadvantageously develop bubbles, or too long a drying time, which is also thanks to the use of microwaves according to the invention can be avoided.
  • the arrangement of two magnetrons 36 shown in FIG. 3 can - as by the dots 76 indicated are continued in the figure 3 to the left.
  • the magnetron pairs further to the left can do other things Show frequency spectra and other energy inputs.
  • the other magnetron pairs controlled by higher or lower power the control circuit 66 a too low or too high power of the in FIG compensate the magnetron pair shown.
  • magnetron pairs operating according to FIG 30 according to Figure 1 can be arranged one behind the other and different stationary Form effective areas 69 of microwaves 60, 62.
  • the modulated frequency modulated increases from zone to zone, for example on. With five zones, for example, it has proven to be advantageous for drying Paint on plastic and metal substrates 16 proven if the Zones increasing from modulation frequencies of about 1.2 gigahertz, about 1.6 Gigahertz, about 1.9 gigahertz, about 2.1 gigahertz, about 2.5 gigahertz and about 3 Gigahertz can be modulated.
  • magnetrons can be circular around the movement path of the substrate 16 are arranged around. This can happen that the magnetrons 30 themselves circle around the path of movement of the substrate 16 are arranged and concentric on the path of movement of the substrate 16 irradiate or are provided with waveguides, which according to FIG Radiate essentially concentrically on the path of movement of the substrate 16.
  • waveguides which according to FIG Radiate essentially concentrically on the path of movement of the substrate 16.
  • the magnetrons 30 are controlled one after the other in this way turned off that the microwaves of the magnetron previously turned off 30 still slightly with the subsequently to be generated in the direction of rotation Microwave field of the subsequent magnetron 30 overlap, but not too mutual amplification of neighboring microwave fields.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP02028602A 2002-01-10 2002-12-20 Procédé et dispositif pour le traitement d'un substrat et/ou d'un matériau de revêtement sur un substrat Withdrawn EP1327844A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200757 2002-01-10
DE2002100757 DE10200757B4 (de) 2002-01-10 2002-01-10 Verfahren und Vorrichtung zur Behandlung eines Beschichtungsstoffes auf einem Substrat und/oder eines Substrats sowie deren Verwendung

Publications (2)

Publication Number Publication Date
EP1327844A2 true EP1327844A2 (fr) 2003-07-16
EP1327844A3 EP1327844A3 (fr) 2006-05-17

Family

ID=7711864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02028602A Withdrawn EP1327844A3 (fr) 2002-01-10 2002-12-20 Procédé et dispositif pour le traitement d'un substrat et/ou d'un matériau de revêtement sur un substrat

Country Status (2)

Country Link
EP (1) EP1327844A3 (fr)
DE (1) DE10200757B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1715017A1 (fr) 2005-04-18 2006-10-25 Henkel Kommanditgesellschaft auf Aktien Adhésifs polyuréthannes durcissables par micro-ondes à basse température
EP1782892A3 (fr) * 2005-11-07 2008-05-14 EISENMANN Anlagenbau GmbH & Co. KG Dispositif et procédé de traitement de surfaces de pièces
DE102008035755A1 (de) * 2008-07-31 2010-02-04 Eastman Kodak Co. Verfahren zum Trocknen eines Bedruckstoffs und/oder eines darauf befindlichen Druckmediums und eine Druckmaschine
EP2155621A2 (fr) * 2007-04-26 2010-02-24 The Coca-Cola Company Procédé et appareil de séchage et de durcissage d'un revêtement de récipient et récipients ainsi produits

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014001666B4 (de) * 2014-02-06 2021-05-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Homogenisierung der Oberflächentopologie bei der Trocknung einer Beschichtung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962651A1 (de) 1968-12-16 1970-07-02 Lionello Rossi Fahrzeug-Foerdereinrichtung
US4123230A (en) * 1977-09-07 1978-10-31 Kirkbride Chalmer G Sulfur removal from coal
FR2458323A1 (fr) 1979-06-08 1981-01-02 Anvar Procede et appareil pour le traitement par micro-ondes de revetements sur substrats
US4728762A (en) 1984-03-22 1988-03-01 Howard Roth Microwave heating apparatus and method
US4765773A (en) 1987-02-27 1988-08-23 Hopkins Harry C Microwave highway paint drying apparatus
JPH04260472A (ja) 1991-02-15 1992-09-16 Toyota Central Res & Dev Lab Inc マイクロ波を利用した塗料の塗膜形成方法
DE4121203A1 (de) 1991-06-27 1993-01-14 Alfred Linden Verfahren und vorrichtung zum trocknen von wasserloeslichem dispersionslack
US5431966A (en) 1991-01-25 1995-07-11 Saint-Gobain Vitrage Process for enamelling a glass substrate
DE19721461A1 (de) 1997-05-22 1998-11-26 Daimler Benz Aerospace Airbus Verfahren zur Trocknung von Lacken auf metallischen oder nichtmetallischen Einzelstrukturen oder montierten Baugruppen beliiebiger Struktur

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946239A (fr) * 1972-09-11 1974-05-02
US4714812A (en) * 1985-05-08 1987-12-22 John F. Woodhead, III Apparatus and method for processing dielectric materials with microwave energy
US4795871A (en) * 1986-10-20 1989-01-03 Micro Dry, Inc. Method and apparatus for heating and drying fabrics in a drying chamber having dryness sensing devices
DE4032496A1 (de) * 1989-10-12 1991-04-25 Wieneke Franz Einrichtung zur applikation von mikrowellen hoher intensitaet
FR2661978A1 (fr) * 1990-05-14 1991-11-15 Marzat Claude Procede et dispositif de sechage rapide d'un materiau pouvant etre fragile par application de micro-ondes.
WO1993003834A1 (fr) * 1991-08-20 1993-03-04 Mann, Alexander Traitement par ondes electromagnetiques de granules humides
JPH0714795Y2 (ja) * 1991-10-04 1995-04-10 株式会社松井製作所 粉粒体の乾燥装置
JP3077879B2 (ja) * 1994-02-15 2000-08-21 インターナショナル・ビジネス・マシーンズ・コーポレ−ション ウェブ・タイプの定量された処理材料にマイクロ波エネルギーを印加するための装置及び方法
US5798395A (en) * 1994-03-31 1998-08-25 Lambda Technologies Inc. Adhesive bonding using variable frequency microwave energy
DE19626512B4 (de) * 1996-07-02 2004-07-15 Karl-Wilhelm Schrade Durchlauf-Mikrowellenofen für Backwaren, insbesondere für Brot
US5738915A (en) * 1996-09-19 1998-04-14 Lambda Technologies, Inc. Curing polymer layers on semiconductor substrates using variable frequency microwave energy
DE19712708A1 (de) * 1997-03-26 1998-10-01 Thueringisches Inst Textil Getrocknete kontaminationsarme Hydrokolloide und Hydrogele
CN1360811A (zh) * 1999-07-07 2002-07-24 康宁股份有限公司 陶瓷的微波干燥方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962651A1 (de) 1968-12-16 1970-07-02 Lionello Rossi Fahrzeug-Foerdereinrichtung
US4123230A (en) * 1977-09-07 1978-10-31 Kirkbride Chalmer G Sulfur removal from coal
FR2458323A1 (fr) 1979-06-08 1981-01-02 Anvar Procede et appareil pour le traitement par micro-ondes de revetements sur substrats
US4728762A (en) 1984-03-22 1988-03-01 Howard Roth Microwave heating apparatus and method
US4765773A (en) 1987-02-27 1988-08-23 Hopkins Harry C Microwave highway paint drying apparatus
US5431966A (en) 1991-01-25 1995-07-11 Saint-Gobain Vitrage Process for enamelling a glass substrate
JPH04260472A (ja) 1991-02-15 1992-09-16 Toyota Central Res & Dev Lab Inc マイクロ波を利用した塗料の塗膜形成方法
DE4121203A1 (de) 1991-06-27 1993-01-14 Alfred Linden Verfahren und vorrichtung zum trocknen von wasserloeslichem dispersionslack
DE19721461A1 (de) 1997-05-22 1998-11-26 Daimler Benz Aerospace Airbus Verfahren zur Trocknung von Lacken auf metallischen oder nichtmetallischen Einzelstrukturen oder montierten Baugruppen beliiebiger Struktur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1715017A1 (fr) 2005-04-18 2006-10-25 Henkel Kommanditgesellschaft auf Aktien Adhésifs polyuréthannes durcissables par micro-ondes à basse température
EP1782892A3 (fr) * 2005-11-07 2008-05-14 EISENMANN Anlagenbau GmbH & Co. KG Dispositif et procédé de traitement de surfaces de pièces
EP2155621A2 (fr) * 2007-04-26 2010-02-24 The Coca-Cola Company Procédé et appareil de séchage et de durcissage d'un revêtement de récipient et récipients ainsi produits
DE102008035755A1 (de) * 2008-07-31 2010-02-04 Eastman Kodak Co. Verfahren zum Trocknen eines Bedruckstoffs und/oder eines darauf befindlichen Druckmediums und eine Druckmaschine

Also Published As

Publication number Publication date
DE10200757A1 (de) 2003-08-21
EP1327844A3 (fr) 2006-05-17
DE10200757B4 (de) 2007-06-14

Similar Documents

Publication Publication Date Title
EP2100479B1 (fr) Dispositif de chauffage à micro-ondes
WO2007131701A2 (fr) Dispositif de chauffe d'ébauches en plastique
DE3210676C2 (de) Verfahen zum Strahlungserwärmen von Vorformlingen
DE60303953T2 (de) Mehrstufige verfahren zur beschichtung von substraten mit mehrkomponentigen, zusammengesetzten beschichtungsmassen
DE69107171T2 (de) Trocknungsverfahren und -vorrichtung für ein beschichtetes Substrat.
DE102013105959B4 (de) Betriebsverfahren und Vorrichtung zur Bestrahlung eines Substrats
DE3641437A1 (de) Feinteilchen-blasvorrichtung
EP0880001B1 (fr) Procédé de séchage de peintures sur des pièces détachées ou assemblées métalliques ou non-métalliques d'une structure quelconque
DE60012539T2 (de) Mehrstufiges beschichtungsverfahren unter verwendung einer wässerigen grundschicht und wässerigen deckschicht
DE10131620B4 (de) Verfahren und Vorrichtung zum Trocknen und/oder Vernetzen oder Erwärmen mittels elektromagnetischer Strahlung
DE102005053327B4 (de) Vorrichtung und Verfahren zur Oberflächenbehandlung von Werkstücken
DE10200757B4 (de) Verfahren und Vorrichtung zur Behandlung eines Beschichtungsstoffes auf einem Substrat und/oder eines Substrats sowie deren Verwendung
WO2008006681A2 (fr) Appareil à rayonnement, procédé et ensemble de revêtement par poudre de matériaux dérivés du bois
EP2466237B1 (fr) Installation de séchage à infrarouges
WO2007028813A2 (fr) Procede et dispositif pour amorcer et produire un plasma a micro-ondes diffus qui s'etend, et procede et dispositif pour traiter des surfaces et des matieres au moyen de ce plasma
EP1543280A1 (fr) Procede et dispositif de traitement thermique d'une piece
DE10106888A1 (de) Verfahren und Vorrichtung zur Herstellung einer Oberflächenbeschichtung
EP1321731B1 (fr) Transmetteur d'énergie faisant partie d'une installation de revêtement et/ou de séchage, notamment pour un revêtement de peinture
EP4302341A1 (fr) Procédé et dispositif de fabrication de composants de batterie sur un substrat flexible
EP2042002B1 (fr) Installation pour le traitement d'une piece par un rayonnement uv, nir ou ir
EP3627969A2 (fr) Procédé d'application du matériau conducteur aux substrats
DE10106890B4 (de) Verfahren und Anordnung zur Herstellung eines quasi-endlosen beschichteten, wickelfähigen Bleches
WO2021233597A1 (fr) Dispositif de traitement par micro-ondes
DE1479149B2 (de) Hochfrequenz-Heizvorrichtung für aus dem Spritzkopf einer Spritzmaschine austretenden Werkstoff
DE3242638A1 (de) Wellenleiter fuer hochfrequenzuebertragung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DCT DRY CONTROL TECHNOLOGIES GMBH & CO. KG

17P Request for examination filed

Effective date: 20061117

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

17Q First examination report despatched

Effective date: 20070626

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20180130

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180612

RIC1 Information provided on ipc code assigned before grant

Ipc: F26B 3/347 20060101AFI20030418BHEP

Ipc: F26B 15/18 20060101ALI20030418BHEP