EP1058805B1 - Procede et dispositif pour le sechage d'un produit defilant rapidement, notamment pour le sechage d'encre d'imprimerie - Google Patents

Procede et dispositif pour le sechage d'un produit defilant rapidement, notamment pour le sechage d'encre d'imprimerie Download PDF

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Publication number
EP1058805B1
EP1058805B1 EP99910235A EP99910235A EP1058805B1 EP 1058805 B1 EP1058805 B1 EP 1058805B1 EP 99910235 A EP99910235 A EP 99910235A EP 99910235 A EP99910235 A EP 99910235A EP 1058805 B1 EP1058805 B1 EP 1058805B1
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Prior art keywords
dried
substance
temperature
radiation
drying
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German (de)
English (en)
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EP1058805A1 (fr
EP1058805B2 (fr
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Rainer Gaus
Kai K. O. BÄR
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Advanced Photonics Technologies AG
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Advanced Photonics Technologies AG
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    • 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
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • 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
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection

Definitions

  • the invention relates to a method for drying a Dried goods conveyed quickly in a conveying direction and such a device according to the preamble of Claims 1 and 17 respectively.
  • the material to be dried is along its The conveying path is diverted via several deflection rollers. It can either the one or the on a certain deflection pulley other side of the items to be dried.
  • the ink layer must already be sufficient be dry before the paper reaches the pulley.
  • the stacking of printed ones Single sheets on top of each other or rolling up one printed paper called web. The same applies to through and through moist paper webs for further processing to be promoted quickly in paper production.
  • From DE-A-39 10 163 is a drying device for lacquer-printed surfaces of lacquer-like printing units known in which with a combination of UV and Infrared is working.
  • DE-A-37 10 787 is a textile heat treatment device known at which Infrared rays with a wavelength of 1.5 to 3 ⁇ m Find use.
  • FR-A-2 403 529 describes methods and devices for Drying and treatment of paper webs according to the generic term of claims 1 and 17 known. According to the teaching of this Publication is particularly about avoidance inflammation of the items to be dried.
  • the invention is based, task and method Device of the type mentioned in this regard to show that quick and safe drying is made possible.
  • a drying zone by impinging electromagnetic radiation Wet component, especially a solvent, of which Dried goods separated and becomes the separated wet component through a transport gas stream from the drying zone removed.
  • Electromagnetic radiation especially infrared radiation, has proven to be special Proven and efficient for drying. Even at high conveyor speeds only one drying zone is required, one in Direction of conveyance has a short length.
  • the transport gas stream is formed from expanded compressed air.
  • the separated wet component When separating the moist component from the material to be dried the separated wet component can be the one Form a boundary layer covering the material to be dried, which further drying hindered. It turns out in particular a dynamic balance on the surface of the Dried goods in which about the same number of wet particles emerge from the material to be dried as it exits the boundary layer into the material to be dried. According to the invention is therefore the separated wet component transported away from the drying zone by a transport gas stream. Especially with continuous feeding of the transport gas into the drying zone Prevents the formation of a barrier layer that hinders drying, by removing the particles of the separated wet component shortly after leaving the Dried goods are transported away.
  • the electromagnetic radiation is so on the absorption properties of the wet component matched, that the radiant energy is essentially only from the wet component and not the other components the material to be dried and / or from a non-moist one Carrier material is absorbed. This will make the wet component not evaporated in the actual sense, but the particles of the wet component are specifically stimulated or knocked out of the items to be dried.
  • the transport gas stream (D) preferably flows in one area extending transversely to the conveying direction from a Direction in the drying zone with a surface normal of the material to be dried has an angle of 60 to 90 °, preferably from about 80 °, and strikes the items to be dried like a knife. This can the transport gas escaped from the material to be dried Carry moisture particles away without a significant proportion to transfer its kinetic energy to the material to be dried. A mechanical deformation of the material to be dried, causing smeared edges, for example of ink jobs could be avoided.
  • the transport gas stream preferably unfolds in the region its inflow into the drying zone a close effect, by being directly on the surface of the Drying material hits, so that one separated by the Moisture component formed surface layer is lifted like a knife from the items to be dried.
  • the flat impact angle reinforces the knife-like effect.
  • the speed is expedient of the transport gas flow over the entire width of the Items to be dried are the same size.
  • the transport gas stream formed from expanded compressed air either in Direction of conveyance of the carrier material or opposite the conveying direction in a distance on the surface of the Drying goods flow along.
  • This route can in particular longer than the length of the drying zone, in of electromagnetic radiation.
  • Cooling heated items to be dried is the gas temperature of the transport gas stream, at least before the impact on the wet component, lower than the temperature of the items to be dried. This is especially the case with heat sensitive Carrier material is advantageous because of the Cooling the material to be dried a heat transfer from the Dried material from the carrier material is reduced or prevented can be.
  • the damp component of the material to be dried Is water
  • the incident electromagnetic Radiation a spectral intensity maximum, which in the near Infrared is particularly in the wavelength range of 0.8 to 2.0 ⁇ m. This will make up a substantial portion of the Radiation energy specifically as excitation energy for particles the wet component, especially water, in the Dried goods introduced.
  • the wet component especially water
  • the Dried goods introduced.
  • the mentioned wavelength range there are several absorption bands of water. But also other wet components, especially solvents, have absorption bands in this wavelength range.
  • the transport gas stream flows after leaving the drying zone to the radiation source of the electromagnetic radiation to cool it.
  • cooling is required.
  • Through the transport gas stream can either be on additional cooling can be dispensed with, or such, additional Cooling can be dimensioned accordingly smaller.
  • the temperature of the dried items to be dried and / or the temperature of the separated wet component and / or the temperature of the carrier material by adjusting the radiant flux density in the drying zone incident electromagnetic radiation according to a Further training of the procedure regulated.
  • the temperature to be controlled by means of a pyrometer measured.
  • a radiation source for the electromagnetic Radiation an electric light bulb, in particular a halogen lamp, used and is used for adjustment the luminous flux of the incandescent lamp set. Additionally or alternatively, the Setting the radiation flux density the distance of the Radiation source set from the drying zone.
  • Drying is particularly efficient in further training of the process in which through the material to be dried penetrating, not absorbed radiation components of the electromagnetic radiation is reflected back on the items to be dried become. There are those reflected back Radiation components at least partially absorbed. The amount of radiation absorbed increases. Consequently can be used to generate electromagnetic radiation used radiation sources or the used Radiation source with regard to its radiation power can be made smaller, or it can be larger Drying zone are irradiated. It is also possible, Zones on the conveyor path due to reflected radiation components to irradiate the carrier material to which no radiation directly from the radiation sources or the radiation source incident. Preferably one for reflection of the non-absorbed radiation components Reflector cooled, especially around the emission to minimize longer-wave infrared radiation.
  • the method according to the invention is particularly advantageous applicable when the substrate is paper, the conveyed at a conveyor speed between 2 and 25 m / s becomes.
  • the paper is in a special embodiment Newsprint with a conveyor speed between 10 and 20 m / s, especially at about 15 m / s, promoted or is the paper thermal printing paper that with a conveying speed between 2 and 10 m / s, is promoted in particular at about 5 m / s.
  • the temperature of the carrier material increases set a value below 70 ° C, especially below 50 ° C and / or regulated. In this way, an undesirable thermal change of the carrier material or its properties can be avoided.
  • the transport gas stream preferably strikes at a speed between 20 and 120 m / s on the goods to be transported Particles of the separated wet component and sweeps these particles away.
  • the Velocity on impact between 30 and 40 m / s. Due to a sufficiently high transport gas speed, which, for example, lies in the areas mentioned a drying-preventing layer from the material to be dried separated moisture particles reliably dissolved and / or lifted off the surface of the material to be dried, or arises, at least directly on the Surface of the items to be dried, not at all. Across from Try in which on the invention Transport gas flow has been dispensed with, which is 70 up to 80% higher drying rates have been observed.
  • the inventive device for drying a Dried goods conveyed quickly in a conveying direction especially for drying ink layers on quickly conveyed paper, has the features of claim 17.
  • the transport gas connection is a compressed air connection and the transport gas duct has one compressed air distributor extending transversely to the conveying path, in particular a manifold for distributing in the Compressed air connection of incoming compressed air essentially over the entire width of the conveying path.
  • a single compressed air connection is sufficient to Initiate compressed air across the entire width of the Conveyor path for the removal of the moist component from the Dried goods are used.
  • the transport gas duct preferably has an approximately running along the conveying path of the material to be dried Guide surface, the distance to the conveyor path in Gas flow direction reduced.
  • the leadership area ends at a gas passage gap defined by them and the material to be dried. The drying gas passes through the gap led into the drying zone.
  • the drying gas After passing through the gap, the drying gas, depending on the design of the end of the guide surface, Form flow vortices or almost laminar in the drying zone. Flow vortices, in particular favored by a sharp-edged kink End of the guide surface, accelerate the removal of damp particles immediately in the area behind the Gap, however, reduce the efficiency of removal at a greater distance behind the gap. Depending on the application can in this way the transport gas flow in the Optimal drying zone by shaping the end of the Guide surface can be set.
  • An embodiment is particularly preferred in which the Gap width of the gas passage gap between 2 and 15 mm, in particular between 5 and 10 mm.
  • a flat impact angle of the transport gas flow on the separated wet component or on the The surface of the material to be dried is created with such a narrow surface Gas passage gap in particular the knife-like Effect.
  • the separated moisture particles are thus removed from the surface of the items to be dried.
  • the particle density of the Moisture particles initially decrease and take away at a greater distance of the material to be dried, still in the transport gas stream or beyond the transport gas flow.
  • the knife-like effect leads to a higher one Net exit rate of moist particles from the drying goods, i.e. it prevents any significant back diffusion the wet particles in the items to be dried.
  • the radiation source is an incandescent lamp, in particular is a halogen light bulb.
  • Halogen light bulbs can can be purchased inexpensively in the trade. Your emission temperature is different by setting the glow current Customizable applications.
  • Lamp reflectors are favorable or reflectors are provided in the area of the lamp, so that the radiation emitted by the lamp as completely as possible in the drying zone. Due to the shape and arrangement of the lamp reflectors also the spatial distribution of the radiation flow over the drying zone can be set.
  • a reflector for reflecting passing through the carrier material, not absorbed Radiation provided on that of the radiation source arranged opposite side of the conveyor path is.
  • the device preferably has a control loop to regulate the temperature of the material to be dried and / or the temperature of the separated wet component and / or the temperature of the carrier material.
  • the control loop includes a pyrometer to measure the one to be controlled Temperature, a current actuator for setting the glow current the light bulb and a current regulator that does that Actuator depending on the temperature reading of the pyrometer actuated to set the glow current.
  • the device has a distance actuator for setting the distance of the radiation source of the conveying path of the carrier material and one Distance controller on which the actuator is dependent actuated by the temperature reading of the pyrometer to the distance the radiation source.
  • FIG. 1 shows a carrier material which consists of paper 1 and a layer of damp ink on its surface 2 wears.
  • the paper 1 is in the selected representation transported to the right, like an arrow in Direction of transport R is clarified.
  • On the printing ink 2 strikes infrared radiation 4, partially from the solvent water is absorbed at high Percentage, for example 90%, contained in ink 2 is. It is thus formed in the conveying direction in or behind the zone in which the infrared radiation 4 strikes, a thin boundary layer of water vapor 3 that from the particles knocked out of the printing ink 2 consists.
  • the steam 3 hinders further drying the ink, as through the right, down pointing arrow is indicated schematically. Play it at least two processes matter: the dynamic Balance between entering ink 2 and from this leaking water particles as well as the absorption of radiation in the water vapor layer.
  • Fig. 2 shows an inventive device 8 for Drying damp, water-based printing ink 2 on the Surface of a rapidly conveyed paper web 1, in particular a printed newspaper web.
  • the paper web 1 is conveyed at a speed of about 15 m / s.
  • the paper can either go from right to right to the left or from left to right, whereby however, during a certain drying process Paper web is only conveyed in one direction.
  • the paper in the representation chosen in Fig. 2 from left to right is promoted.
  • the arrangement of the compressed air duct 14 however, would be in case the paper moves from right to right left would be promoted the same.
  • the illustration 2 would only be a pyrometer 11 (Function is described below) in the conveying direction behind the compressed air duct 14, d. H. to the left of this.
  • halogen line spotlights 10 emitted radiation strikes the printing ink 2
  • the high-energy portions mainly infrared radiation 4 are.
  • Spectral filter can be arranged.
  • Part of the infrared radiation 4 is, according to the Degree of absorption of the wet component in the printing ink 2 and according to the degree of absorption of the paper web 1, not absorbed, but passes through the paper web 1 and strikes an infrared reflector 20, which is below the Paper web 1 is arranged. As indicated by an arrow the infrared reflector 20 reflects on it to incident infrared radiation so that it reflected Radiation 5 thrown back onto the paper web 1 becomes. Part of the reflected radiation 5 achieves this Drying material 2 and is there, mainly from the Water components of the ink 2 absorbed.
  • compressed air is spread over the entire width of the Conveyor path of the paper web 1 extending manifold 15 fed.
  • the distributor pipe 15 is at the front Front side shown cut open to make its profile recognizable close. In fact, the manifold 15 however closed on the side. From the distributor pipe 15 the compressed air passes through one over the entire Outlet opening 16 that extends the width of the conveying path out.
  • the compressed air is initially opposed on the way there to the direction of conveyance and then approximately at right angles kinking through a transverse guide section in the direction passed onto paper web 1. In the cross guide section attaches a guide surface 17, which is also extends over the entire width of the conveyor path.
  • the guide surface 17 and the paper web 1 define themselves gap tapering in compressed air flow direction, in which the compressed air flows.
  • the guide surface 17 and that coming from the deflection roller 7, in a straight direction conveyed paper web 1 close an angle ⁇ of about 10 ° with each other.
  • the gap width of the over the entire width of the conveyor path Passage gap 18 is about 7 mm.
  • the through the Compressed air duct 14 supplied air flows with a Speed of about 35 m / s through the Passage gap 18 in the drying zone T.
  • About the entire drying zone T can be distributed Water vapor particles are carried away by the air flow D, by the infrared radiation 4 from the printing ink 2 have been knocked out. Flow paths of the Airflow D are easily up through numerous directional, curved arrows shown in Fig. 2.
  • a Pyrometer 11 At a point on the conveyor path of the paper web 1, which in The conveying direction behind the drying zone T is a Pyrometer 11 directed.
  • the pyrometer 11 thus takes by radiation measurement the temperature of the paper web 11 worn surface layer, which essentially consists of already dried printing ink 2.
  • the temperature measured value is sent to a controller (not shown) fed.
  • the controller for example a PI or a PID controller, then outputs a control signal from two actuators can be received.
  • a current actuator that of short-term, responsive adjustment the glow current of the halogen line radiator 10, is controlled by the controller when a mostly minor, responsive adjustment of the radiation flux density is required.
  • the temperature reading is the pyrometer 11 at the edge of a predetermined control range, which can be covered by the current control, a distance actuator is controlled to the distance the radiation source 10 from the conveying path of the paper web 1 change.
  • This is slow compared to current regulation Distance control extends the overall control range by the relatively narrow current regulation range for one large temperature or radiation flux density range makes usable. So the short term change is the Radiation flux density of those striking in the drying zone Radiant power and thus a regulation of Low inertia temperature throughout the control range the distance control possible.
  • Compressed air is preferably 12 in the compressed air connection initiated with low residual moisture by the subsequent Expansion in the manifold and / or after the outflow from the distributor pipe 15 is cooled.
  • the Drying device according to the invention can in particular also in devices for creating sheet-like Printed matter, e.g. brochures, magazines or drawing sheets that are used Starting material to be printed by means of a vacuum transport device promote.
  • inventive method and the inventive device can be used with advantage in printing devices, who produce customized print products, for example Tickets with consecutive numbers or successive sheets or sections of paper web with individual bar code.
  • Such facilities often have via inkjet printers, especially with a Print resolution of 240 dpi or better.
  • With the device according to the invention and the method for example printing capacities of 54,000 A4 sheets per hour possible.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (25)

  1. Procédé pour le séchage d'un produit à sécher (1, 2) transporté rapidement selon une direction de transport, en particulier pour le séchage de couches de couleur d'imprimerie de papier transporté rapidement, dans lequel
    dans une zone de séchage (T), par un rayonnement électromagnétique incident, en particulier un rayonnement infrarouge, un composant humide, en particulier un solvant, est séparé du produit à sécher (2) et
    le composant humide (3) séparé est évacué de la zone de séchage (T) par un flux de gaz de transport (D),
    caractérisé en ce que
    le rayonnement électromagnétique est accordé selon les propriétés d'absorption du composant humide de manière telle que l'énergie du rayonnement est apportée précisément en tant qu'énergie d'excitation de particules du composant humide et, pour l'essentiel, n'est absorbée que par le composant humide, et que le flux de gaz de transport (D) est formé d'air comprimé expansé.
  2. Procédé selon la revendication 1,
    dans lequel le flux de gaz de transport (D) afflue dans la zone de séchage dans une zone transversale à la direction de transport d'une direction qui, avec une normale à la surface du produit à sécher (1, 2) comprend un angle de 60 à 90 °, de manière préférée, d'environ 80 °, et rencontre à la manière d'un couteau le produit à sécher.
  3. Procédé selon la revendication 1 ou 2,
    dans lequel la température de gaz du flux de gaz de transport (D), au moins avant la rencontre avec le composant humide, est plus basse que la température du produit à sécher (2).
  4. Procédé selon l'une quelconque des revendications 1 à 3,
    dans lequel le rayonnement électromagnétique (4) incident possède une maximale d'intensité spectrale dans l'infrarouge proche, en particulier dans le domaine des longueurs d'onde de 0,8 à 2,0 µm.
  5. Procédé selon l'une quelconque des revendications 1 à 4,
    dans lequel le flux de gaz de transport (D), après avoir quitté la zone de séchage (T), s'écoule vers la source de rayonnement (10) du rayonnement électromagnétique pour la refroidir.
  6. Procédé selon l'une quelconque des revendications 1 à 5,
    dans lequel la température après séchage du produit à sécher (2) et/ou la température du composant humide (3) séparé et/ou la température du matériau porteur sont régulées par le réglage de la densité de flux de rayonnement du rayonnement électromagnétique (4) rencontrant la zone de séchage (T).
  7. Procédé selon la revendication 5,
    dans lequel la température à réguler est mesurée au moyen d'un pyromètre (11).
  8. Procédé selon la revendication 5 ou 6,
    dans lequel, en tant que source de rayonnement (10) du rayonnement électromagnétique, une lampe électrique à incandescence, en particulier une lampe à halogène, est employée et dans lequel le réglage de la densité de flux de rayonnement s'effectue par le réglage du courant traversant la lampe à incandescence.
  9. Procédé selon l'une quelconque des revendications 5 à 8,
    dans lequel le réglage de la densité de flux de rayonnement s'effectue par le réglage de l'écartement entre la source de rayonnement (10) et la zone de séchage (T).
  10. Procédé selon l'une quelconque des revendications 1 à 9,
    dans lequel des parties de rayonnement (5) du rayonnement électromagnétique (4) non absorbées traversant le produit à sécher (2) sont réfléchies vers le produit à sécher.
  11. Procédé selon l'une quelconque des revendications 1 à 9,
    dans lequel le matériau porteur (1) est du papier, transporté à une vitesse de transport comprise entre 2 et 25 m/s.
  12. Procédé selon la revendication 11,
    dans lequel le papier est du papier journal, transporté à une vitesse de transport comprise entre 10 et 20 m/s, en particulier d'environ 15 m/s.
  13. Procédé selon la revendication 12,
    dans lequel le papier est du papier d'impression thermique transporté à une vitesse de transport comprise entre 2 et 10 m/s, en particulier d'environ 5 m/s.
  14. Procédé selon l'une quelconque des revendications 1 à 13,
    dans lequel la température du matériau porteur (1), en particulier, du papier d'impression thermique, est réglée et/ou régulée à une valeur inférieure à 70 °C, en particulier inférieure à 50 °C.
  15. Procédé selon l'une quelconque des revendications 1 à 14,
    dans lequel le flux de gaz de transport (D) rencontre les particules à évacuer du composant humide (3) séparé, à une vitesse comprise entre 10 et 120 m/s, en particulier à une vitesse comprise entre 30 et 40 m/s, et les entraíne.
  16. Procédé selon l'une quelconque des revendications 1 à 15,
    dans lequel le flux de gaz de transport (D) rencontre le produit à sécher (2) en une zone proche de sa surface d'une manière telle qu'une couche superficielle formée par le composant humide (3) séparé est écartée du produit à sécher de la manière d'un couteau.
  17. Dispositif (8) pour le séchage d'un produit à sécher (1, 2) transporté rapidement selon une direction de transport, en particulier pour le séchage de couches de couleur d'imprimerie de papier transporté rapidement, comportant
    une source de rayonnement (10) pour créer un rayonnement électromagnétique (4), en particulier, un rayonnement infrarouge,
    un raccordement de gaz de transport (12) pour introduire du gaz de transport et
    une conduite de gaz de transport (14) s'étendant au moins en parties transversalement à la direction de transport, conformée et disposée de manière telle que le gaz de transport introduit par le raccordement de gaz de transport (12) est conduit dans une zone de séchage (T) et rencontre à la manière d'un couteau le produit à sécher de façon à évacuer du produit à sécher (2) le composant humide (3) séparé,
    caractérisé en ce que
    la source de rayonnement (10) est disposée de manière telle qu'au moins une partie du rayonnement électromagnétique (4), dans la zone de séchage (T), au chemin de transport du matériau porteur (1), peut être apportée précisément sur le produit à sécher (2) en tant qu'énergie d'excitation de particules du composant humide, en particulier d'un solvant, et est séparable du produit à sécher (2), le rayonnement électromagnétique étant accordé selon les propriétés d'absorption du composant humide de façon à ce que l'énergie du rayonnement soit pour l'essentiel absorbée uniquement par le composant humide et que le flux de gaz de transport (D) soit formé d'air comprimé expansé dans un distributeur d'air comprimé (15).
  18. Dispositif selon la revendication 17,
    dans lequel le raccordement de gaz de transport (12) est un raccordement d'air comprimé et dans lequel la conduite de gaz de transport (14) présente un distributeur d'air comprimé (15) disposé transversalement par rapport au chemin de transport, en particulier un tuyau de distribution pour la distribution de l'air comprimé affluant dans le raccordement de gaz de transport (12), essentiellement sur la largeur totale du chemin de transport.
  19. Dispositif selon la revendication 18,
    dans lequel le distributeur d'air comprimé (15) possède une ouverture d'évacuation (16) disposée essentiellement sur la largeur totale du chemin de transport pour l'air comprimé à amener dans la zone de séchage (T).
  20. Dispositif selon l'une des revendications 17 à 19,
    dans lequel la conduite de gaz de transport (14) présente une surface de guidage (17) disposée sensiblement le long du chemin de transport du produit à sécher, dont l'écartement au chemin de transport diminue dans le sens de l'écoulement du gaz et qui se termine à une fente d'évacuation de gaz (18) définie par la surface de guidage (17) et le produit à sécher (2).
  21. Dispositif selon la revendication 20,
    dans lequel la largeur de fente de la fente d'évacuation de gaz (18) est comprise entre 2 et 15 mm, en particulier, entre 5 et 10 mm.
  22. Dispositif selon l'une des revendications 17 à 21,
    dans lequel la source de rayonnement (10) est une lampe à incandescence, en particulier une lampe à halogène.
  23. Dispositif selon la revendication 22,
    équipé d'une boucle d'asservissement pour la régulation de la température du produit à sécher (2) et/ou de la température du composant humide (3) séparé et/ou de la température du matériau porteur (1), comportant ce qui suit :
    un pyromètre (11) pour mesurer la température à réguler,
    un membre régulateur de courant pour régler le courant circulant dans la lampe à incandescence et
    un régulateur de courant qui actionne le membre régulateur en fonction de la valeur mesurée de température du pyromètre (11) pour régler le courant circulant dans la lampe à incandescence.
  24. Dispositif selon l'une des revendications 17 à 23,
    équipé d'une boucle d'asservissement pour la régulation de la température du produit à sécher (2) et/ou de la température du composant humide (3) séparé et/ou de la température du matériau porteur (1), comportant ce qui suit :
    un pyromètre (11) pour mesurer la température à réguler,
    un membre de réglage d'écartement pour régler l'écartement entre la source de rayonnement (10) et le chemin de transport du matériau porteur (1) et
    un régulateur d'écartement qui actionne le membre de réglage en fonction de la valeur mesurée de température du pyromètre (11) pour régler l'écartement de la source de rayonnement.
  25. Dispositif selon l'une des revendications 17 à 24,
    comportant un réflecteur (19), en particulier refroidi par eau, pour réfléchir du rayonnement non absorbé traversant le matériau porteur (1), le réflecteur (20) étant disposé sur le côté du chemin de transport situé en face de la source de rayonnement (10).
EP99910235A 1998-02-23 1999-02-18 Procede et dispositif pour le sechage d'un produit defilant rapidement, notamment pour le sechage d'encre d'imprimerie Expired - Lifetime EP1058805B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19807643 1998-02-23
DE19807643A DE19807643C2 (de) 1998-02-23 1998-02-23 Verfahren und Vorrichtung zum Trocknen eines Trocknungsgutes an der Oberfläche eines schnell geförderten Trägermaterials, insbesondere zum Druckfarbentrocknen
PCT/EP1999/001057 WO1999042774A1 (fr) 1998-02-23 1999-02-18 Procede et dispositif pour le sechage d'un produit defilant rapidement, notamment pour le sechage d'encre d'imprimerie

Publications (3)

Publication Number Publication Date
EP1058805A1 EP1058805A1 (fr) 2000-12-13
EP1058805B1 true EP1058805B1 (fr) 2003-05-07
EP1058805B2 EP1058805B2 (fr) 2006-08-16

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US (1) US6401358B1 (fr)
EP (1) EP1058805B2 (fr)
JP (1) JP4509378B2 (fr)
KR (1) KR100407504B1 (fr)
CN (1) CN1292080A (fr)
AT (1) ATE239891T1 (fr)
AU (1) AU2926899A (fr)
BR (1) BR9908062A (fr)
CA (1) CA2330636A1 (fr)
CZ (1) CZ20003007A3 (fr)
DE (2) DE19807643C2 (fr)
ES (1) ES2199562T5 (fr)
HU (1) HUP0101524A3 (fr)
WO (1) WO1999042774A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN102997632A (zh) * 2012-11-19 2013-03-27 王兆进 一种具有射流系统、红外系统和射流系统的节能干燥器
CN102997632B (zh) * 2012-11-19 2015-02-18 王兆进 一种具有射流系统、红外系统的节能干燥器

Also Published As

Publication number Publication date
DE59905454D1 (de) 2003-06-12
US6401358B1 (en) 2002-06-11
BR9908062A (pt) 2000-10-31
EP1058805A1 (fr) 2000-12-13
ATE239891T1 (de) 2003-05-15
WO1999042774A1 (fr) 1999-08-26
AU2926899A (en) 1999-09-06
DE19807643C2 (de) 2000-01-05
KR100407504B1 (ko) 2003-12-01
ES2199562T5 (es) 2007-04-16
DE19807643A1 (de) 1999-09-02
KR20010041240A (ko) 2001-05-15
JP2002504442A (ja) 2002-02-12
EP1058805B2 (fr) 2006-08-16
HUP0101524A2 (hu) 2001-10-28
HUP0101524A3 (en) 2002-02-28
CA2330636A1 (fr) 1999-08-26
ES2199562T3 (es) 2004-02-16
CN1292080A (zh) 2001-04-18
JP4509378B2 (ja) 2010-07-21
CZ20003007A3 (cs) 2001-12-12

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