EP0496758A1 - Trockner, insbesondere zwischentrockner. - Google Patents
Trockner, insbesondere zwischentrockner.Info
- Publication number
- EP0496758A1 EP0496758A1 EP90915114A EP90915114A EP0496758A1 EP 0496758 A1 EP0496758 A1 EP 0496758A1 EP 90915114 A EP90915114 A EP 90915114A EP 90915114 A EP90915114 A EP 90915114A EP 0496758 A1 EP0496758 A1 EP 0496758A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamps
- lamp
- tubular
- dryer according
- parallel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Definitions
- Dryers especially intermediate dryers
- the invention relates to a dryer, in particular an intermediate dryer, especially for drying printing ink, food coloring, etc. according to the preamble of claim 1.
- intermediate drying steps of this type are also necessary when drying printing inks, not only in the textile sector, but also when printing on paper, foils and other media, such as, for example, even when coloring Marzipan.
- Devices which carry out a drying process by means of intensive light irradiation have already become known as dryers and in particular intermediate dryers.
- dryers and in particular intermediate dryers For example, several fluorescent tubes can be arranged in parallel next to one another, so that when the intermediate drying process is carried out, the material to be dried is placed on a storage table below the tubes and then irradiated through the fluorescent tubes. After completion of the drying process, the next processing and process step can begin.
- a lamp arrangement was used as an intermediate dryer, in which two tube types were repeatedly arranged in parallel alignment at a distance from one another.
- the two tube types were selected in such a way that they emitted a light spectrum with a different light wavelength, as a result of which the drying process could be accelerated.
- the printing inks consist of a large number of very different chemical compounds, the drying speed of which is fundamentally different.
- the object of the present invention is therefore one
- the device according to the invention makes it possible for the first time, even in the case of a strongly differing chemical structure of water-soluble or. plastisol-containing printing inks considerably reduce the total time required for the treatment, in particular printing, including the drying and again the intermediate drying time. As a result, the utilization of the required machine systems increases considerably.
- Dryer lamps with preferably different light frequency band ranges and / or intensities are arranged in a grid pattern in such a way that there is an optimal light overlap region on the material to be dried.
- tubular lamps are used, they are arranged in such a way that they are preferably oriented at right angles to one another in two planes, which in a surprising manner makes drying times significantly shorter.
- these can preferably be arranged at three angles to one another.
- the fluorescent tubes can be offset by 90 ° to each other in such a way that, in plan view, the fluorescent tubes aligned parallel to one another in the top and bottom planes are offset by half a distance from one another in order to ensure optimal illumination .
- Lamps and in particular tubular lamps are preferably used which emit wavelengths in the infrared range above 800 nm, in particular above 1.0 ⁇ m. In principle, however, all possible incandescent, discharge and / or fluorescent lamps and various combinations including lamps that emit in the UV range are considered in order to ensure optimization.
- FIG. 1 a schematic top view of a dryer according to the invention using three different fluorescent tubes
- Figure 2 is a schematic side view of the embodiment shown in Figure 1;
- FIG. 3 a further exemplary embodiment
- the dryer shown in FIGS. 1 and 2 consists of a large number of lamps 1, i. H . in the exemplary embodiment shown of tubular lamps 1.
- tubular lamps with three different tube types F, G and H are used which emit light in different wavelength ranges and / or intensities, the spectrum being optimally matched to the dry material.
- lamp type H is arranged in the dryer in the lowest level at a regular distance from one another in parallel position. At a distance above this first level, a plurality of tubular lamps 1 of the further lamp type G in are then in a second middle level
- tubular lamps 1 of the third lamp type F are then also mounted at regular intervals, not in parallel.
- the tubular lamps from level to level are respectively offset by 90 ° to each other lying ranked at ⁇ so that the lying at the top level of tubular lamps 1 of type F to theêt ⁇ in the lowest level of the tubular lamps 1 of the Types H aligned in parallel, but - as can be seen above all in FIG. 1 - lie offset by half the distance from one another. It can also be seen from this that at least the tubular lamps in the top and bottom planes are installed at the same distance in parallel position, but offset from one another by half the distance in plan view.
- the drying material 7 which can be brought on a lower drying level 5 can be optimally dried or. be dried.
- lamps with a light spectrum in the invisible infrared range with different wavelengths are used.
- combinations from the infrared to the visible wavelength range up to the ultraviolet wavelength range are also possible, in which case not only the type of lamp and in particular the tube, but also the number of different types of lamp and in particular the tube can be different.
- the explained lamp arrangement avoids an otherwise inhomogonc illumination which inevitably arises not only with different, but even with the same tubular lamps 1. Because if one or different tube types are arranged in parallel only in one plane, in addition to the already dry areas of paint, stripes or stains that have not yet dried will inevitably occur depending on the intensity or.
- the exposure angle of the tubular lamps 1 if only because the illumination area of each tubular lamp is very different over the entire length of the lamp body and, especially towards the end regions of the tubular lamps 1, already decreases significantly over the last third of the total length. It is therefore also conceivable that with reference to the exemplary embodiment shown in FIGS. 1 and 2 for each lamp type in the area of the holding and
- At least one further tube lamp of the same type with a staggered plane and transverse to the otherwise parallel tube lamps is arranged in the feed ends, preferably below the respective plane of the tube lamps of the same type which are otherwise parallel to one another.
- the spacing of the individual lamp levels can be chosen quite differently.
- a distance from one to the other lamp plane of, for example, 3 cm to 10 cm, preferably 4 to G cm, that is to say by 5 cm, is well worth seeing and sufficient. If the lamps are too close together, the heating could possibly. get too big. If the distance is chosen too large, the distance from the upper or at least the uppermost lamp level to the material to be dried may be increased. too large and therefore the lighting intensity too low.
- the distance to the reflector level from the uppermost lamp level can also be chosen within wide limits, for example vary from 3 cm to 20 cm.
- the distance from the lowest lamp level to the material to be dried is, for example, G cm and can generally vary from approximately 3 cm to 20 cm, preferably up to 10 cm, the heating device frequently being switched on after the lamps have been switched on for the first time and the drying process has been started can be retracted towards the top, producing a greater distance from the material to be dried.
- An offset arrangement is also shown purely by way of example also with reference to FIG. 3 for bulb lamps consisting of three different types, which are arranged in a rectangular grid on one level in such a way that the three lamp types are interchanged in one row in each row are .
- tubular or bulb-shaped lamps can also be provided in one or more planes in a grid-like or grid-like arrangement comparable to FIG. 1 or 3.
- the various lamp types can be electrically or optimally adapted to the actual drying process mechanically controlled and / or changed, the lighting times can in some cases also be extremely short in order to initiate the drying process.
- Thread tubes of the following types can be used for the exemplary embodiment explained with reference to FIGS. 1 and 2:
- Type F tube type FQS 300 (closed halogen lamp) wavelength 1.5 ⁇ m el. Power 600 W
- Type G tube type HSS 350 (closed halogen lamp) wavelength 2.5 ⁇ m el. Power 500 W
- Type H tube type HHS 450 (open glass tube with helix) wavelength 4.5 ⁇ m el. Power 350 W
- the example according to the invention has been described with the aid of a lamp arrangement with at least two lamp types with different wavelength spectrum and / or intensities. Sometimes a lamp arrangement with only one lamp type can be sufficient.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90915114T ATE93611T1 (de) | 1989-10-19 | 1990-10-18 | Trockner, insbesondere zwischentrockner. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3934905A DE3934905A1 (de) | 1989-10-19 | 1989-10-19 | Trockner, insbesondere zwischentrockner |
DE3934905 | 1989-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0496758A1 true EP0496758A1 (de) | 1992-08-05 |
EP0496758B1 EP0496758B1 (de) | 1993-08-25 |
Family
ID=6391799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90915114A Expired - Lifetime EP0496758B1 (de) | 1989-10-19 | 1990-10-18 | Trockner, insbesondere zwischentrockner |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0496758B1 (de) |
DE (2) | DE3934905A1 (de) |
WO (1) | WO1991005978A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29606991U1 (de) * | 1996-04-19 | 1996-06-27 | Krieger Gmbh D | Vorrichtung zum Erwärmen profilierter Flächen mittels Wärmestrahlung |
DE19937593A1 (de) * | 1999-08-09 | 2001-02-15 | Sebald Druck Und Verlag Gmbh | Verfahren zum Trocknen der auf eine Papierbahn aufgedruckten Farben |
DE10024099A1 (de) * | 2000-05-18 | 2001-11-22 | Eltosch Torsten Schmidt Gmbh | Trocknervorrichtung |
DE10122076B4 (de) * | 2001-05-07 | 2007-06-06 | Advanced Photonics Technologies Ag | Verfahren und Anordnung zur Herstellung eines geklebten Verbundes aus saugfähigen Materialien |
EP1302735B1 (de) | 2001-10-10 | 2014-01-01 | Heidelberger Druckmaschinen Aktiengesellschaft | Vorrichtung und Verfahren zur Zuführung von Strahlungsenergie auf einen Bedruckstoff in einer Flachdruckmaschine |
EP1677062A1 (de) * | 2004-12-29 | 2006-07-05 | Dryer Systems Trocknerbau GmbH | Trockenvorrichtung zum Trocknen von Druckfarbe |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE891352C (de) * | 1940-06-02 | 1953-09-28 | Siemens Ag | Einrichtung mit stabfoermigen Strahlungskoerpern zur Ultraviolett-bestrahlung von Stoffen, insbesondere zur Bestrahlung grosser Flaechen |
FR909359A (fr) * | 1945-02-19 | 1946-05-07 | Dispositif de séchage par rayons infra-rouges | |
FR1051766A (fr) * | 1952-02-22 | 1954-01-19 | Procédé et dispositif de séchage | |
FR1072871A (fr) * | 1953-03-11 | 1954-09-16 | Plateau-sécheur | |
DE1771667B2 (de) * | 1968-06-22 | 1974-10-17 | Buettner-Schilde-Haas Ag, 4150 Krefeld | UV-Strahler für Trockner für lackbeschichtete Werkstücke |
CH639800A5 (en) * | 1980-11-27 | 1983-11-30 | Sicpa Sa | Device for treating the free surface of the material making up an object by laser irradiation |
SE455479B (sv) * | 1982-03-17 | 1988-07-18 | Svecia Silkscreen Maskiner Ab | Torkanleggning for ett tryck pa ett material |
US4526101A (en) * | 1983-10-14 | 1985-07-02 | Ericsson Sylve J D | Arrangement for drying printed material |
GB8520367D0 (en) * | 1985-08-14 | 1985-09-18 | Palmer A R | Heater/dryer apparatus |
DE8800254U1 (de) * | 1987-09-15 | 1988-03-17 | Schaft, Volker, Dipl.-Ing., 2000 Hamburg, De |
-
1989
- 1989-10-19 DE DE3934905A patent/DE3934905A1/de active Granted
-
1990
- 1990-10-18 DE DE90915114T patent/DE59002500D1/de not_active Expired - Fee Related
- 1990-10-18 EP EP90915114A patent/EP0496758B1/de not_active Expired - Lifetime
- 1990-10-18 WO PCT/EP1990/001767 patent/WO1991005978A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9105978A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0496758B1 (de) | 1993-08-25 |
DE3934905C2 (de) | 1991-08-29 |
DE3934905A1 (de) | 1991-05-02 |
WO1991005978A1 (de) | 1991-05-02 |
DE59002500D1 (de) | 1993-09-30 |
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