EP1134529A2 - Dispositif et procédé pour le traitement de bandes continues - Google Patents

Dispositif et procédé pour le traitement de bandes continues Download PDF

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Publication number
EP1134529A2
EP1134529A2 EP01105598A EP01105598A EP1134529A2 EP 1134529 A2 EP1134529 A2 EP 1134529A2 EP 01105598 A EP01105598 A EP 01105598A EP 01105598 A EP01105598 A EP 01105598A EP 1134529 A2 EP1134529 A2 EP 1134529A2
Authority
EP
European Patent Office
Prior art keywords
housing
web
air
inlet
exhaust air
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Withdrawn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
EP01105598A
Other languages
German (de)
English (en)
Other versions
EP1134529A3 (fr
Inventor
Michael Christ
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.)
Brueckner Trockentechnik GmbH and Co KG
Original Assignee
Brueckner Trockentechnik GmbH and Co KG
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 Brueckner Trockentechnik GmbH and Co KG filed Critical Brueckner Trockentechnik GmbH and Co KG
Publication of EP1134529A2 publication Critical patent/EP1134529A2/fr
Publication of EP1134529A3 publication Critical patent/EP1134529A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/20—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure

Definitions

  • the invention relates to a device for treatment of webs, in particular for drying textiles Goods webs, according to the preamble of the claim 1 and a method for treating webs according to the generic term of claim 8.
  • Such devices usually contain a housing with several between a housing start and a Housing end arranged treatment fields, wherein the web in the expanded state from the beginning of the housing to the housing end in the longitudinal direction of the housing by the Housing is transported.
  • There are also facilities for supplying fresh air into the housing as well Devices for removing exhaust air, in particular for Extracting moisture-laden exhaust air from the Housing provided.
  • the web is mostly via upper and lower nozzle boxes with a circulating Treated gas flow.
  • the cross flow system is used in every treatment field Fresh air is supplied to the web as part of the recirculating air crosses and the vaporized from the web Absorbs water, leaving the one loaded with moisture Exhaust air is extracted in every treatment field.
  • this system has the disadvantage that the water content only slightly in all treatment zones differs from the water content of the exhaust air and therefore inside the dryer is relatively high.
  • the fresh air is at the beginning of the housing fed and discharged at the end of the housing and thus flows in cocurrent with the web through the individual treatment fields.
  • the exhaust air is discharged in the middle of the dryer and the fresh air through the inlet and outlet slots fed, one speaks of a co-countercurrent system, in which the web is initially in direct current and then in counterflow to the air through the Housing is transported.
  • the invention is therefore based on the object Device according to the preamble of claim 1 and the method according to the preamble of the claim 8 to develop further so that a gentler Web treatment is enabled.
  • the exhaust air discharge devices are in the inlet area and outlet field arranged.
  • the web inlet and / or web outlet slot Sensors for measuring the outflows there Air available.
  • the sensors are available with controllers Setting an air overpressure in the housing in connection. By setting a low air pressure The intake of false air can be found in the housing significantly reduce or exclude.
  • the exhaust air can be the amount of exhaust air the discharge devices depending on the moisture content regulate. In this way, the for select the optimal moisture determined by the method.
  • a particularly preferred regulation of the device is to see that the exhaust air control is dependent the humidity and the fresh air control depending of the overpressure can take place separately from one another and thus an optimal humidity or a targeted overpressure can be maintained.
  • Means for supporting the Goods web are provided, for example, as Air table to support the web by targeted Air exposure can be formed.
  • the device usually has means of transport through which the web is spread out Condition on their long edges held by the case is transported.
  • To dry the held Longitudinal edges are provided for edge drying agents can also be integrated in the inlet area.
  • FIG. 1 shows a device for the treatment of material webs, in particular a device for drying textile webs. It essentially consists of a housing 1 with several between a housing beginning 1a and a housing end 1b arranged treatment fields 2a - 2e, the web 3 in the spread Condition from housing start 1a to housing end 1b transported through the housing 1 in the longitudinal direction of the housing becomes.
  • Both the feed and discharge devices are in the illustrated embodiment by im Housing 1 built-in fans formed.
  • the devices 4a-4d for supplying fresh air are in a longitudinal section of the housing 1 between the housing start 1a and the housing end 1b connected, while the devices 5a, 5b for removing the Exhaust air both at the beginning of the housing 1a and at the end of the housing 1b are provided.
  • Each treatment field has one Nozzle system extending across the width of the web on that an upper and a lower nozzle box 6, 7 contains, the web 3 between the upper and transported through the lower nozzle box 6, 7 becomes.
  • the nozzle boxes point to the web of goods facing side nozzles through which the web 3 can be treated with a treatment gas.
  • Each The nozzle system also contains at least one fan 8, the circulating treatment gas flow generated and its pressure side with the two nozzle boxes 6, 7 and its suction side with an approximately transverse gas intake duct running to the web transport direction 9 is connected.
  • the gas intake duct 9 has one Intake nozzle 9a, in the area of which a burner device is provided, the flame guide tube 10a in the gas intake duct 9 is directed.
  • each treatment field 2a - 2e there are two of each nozzle systems described in FIG. 2 offset from one another arranged to ensure the most uniform possible web treatment to reach.
  • the one through the intake nozzle 9a suction air is expediently in a suitable filter device, for example a Drum filter 11, of fibers, lint and the like cleaned.
  • Figure 2 is the area for the fresh or exhaust air longitudinal flow shown hatched.
  • Figures 3 and 4 show the device in the area of Housing start 1a. At the beginning of the housing there is an inlet field 12 provided with a web inlet slot 12a. In in an analogous manner, there is an outlet field 13 at the housing end 1b provided with a web outlet slot 13a.
  • the Devices 5a, 5b for removing the exhaust air are in the Inlet field 12 or arranged in the outlet field 13.
  • An exemplary embodiment is an air table 14 for support the material web through targeted air exposure intended.
  • the air table 14 therefore points to it Top of nozzles that can be oriented so that the web is transverse to its direction of transport occupies a wave profile. That way, straight at the beginning of the housing, if the moist web is natural sagging very far, an effective support take place without the web, for example affected by so-called "ironing effects" becomes.
  • the one required for the air supply to the air table Air can either be through a separate Fan supplied or, as shown, from the in Goods web transport direction following treatment field 2a be branched off.
  • the web 3 is in its spread state on their Longitudinal edges kept transported through the housing.
  • the longitudinal edges are usually in so-called Needle strips 16 held.
  • In the entry field 12 are also means 17 for drying the in the needle bars 16 held longitudinal edges provided.
  • the for the Edge drying can in turn air through a separate fan or as shown the treatment field following in the direction of web transport 2a are branched off. In the illustrated embodiment becomes the one required for edge drying Air volume from the upper nozzle box 6 of the Treatment field 2a branched off via the connecting line 18.
  • the device also has a moisture measuring device 19 Measurement of the moisture content of the exhaust air and a Regulator 20 for regulating the amount of exhaust air from the discharge devices 5a, 5b depending on the moisture content on.
  • the devices 5a, 5b for removing the exhaust air are preferably controlled by performance Fans formed, whose speed of rotation in Dependency of the moisture content of the exhaust air set becomes.
  • the devices 5a, 5b for removing the exhaust air separated from each other by two separate moisture meters or, as shown in Fig.1, via a Moisture meter 19 are regulated.
  • sensors 24, 25 for measuring the from the web inlet and / or web outlet slot escaping air arranged.
  • These sensors are with controllers 21, 22 for setting an air overpressure in the housing 1 in connection.
  • the controllers 21, 22 control the fans 4a - 4d such that in the housing 1 a slight air overpressure arises, whereby the at the web inlet and / or web outlet slot outflowing air detected by the sensors 24, 25 becomes.
  • FIG. 5 shows a second embodiment of the device, that according to the first embodiment Fig.2 only in the type of feeders for the fresh air makes a difference.
  • two outside the housing arranged for example on the housing ceiling Radial fans 4e, 4f used.
  • Radial fans 4e, 4f used in the embodiment according to Fig.1 were built-in axial fans were used. When using such axial fans the fresh air can only come from the surrounding Hall can be removed.
  • FIG 5 also shows the fresh air in a heat recovery device 23 heated, the required Heat through the heat recovery device flowing exhaust air is provided.
  • FIGS. 6 and 7 show a third exemplary embodiment shown, which is different from the previous embodiments again through a special design of the devices 4 'for feeding the Fresh air makes a difference.
  • the treatment field also has a Mixing device 27, which with the device 4 'for Fresh air supply is connected and adjusting means 26, 28, through which the in Fan 8 suctioned treatment gas flow existing
  • the ratio of fresh air to circulating air can be set is.
  • the setting means 26 are by a Telescopic tube formed at the opening fresh air duct 4'a is attached.
  • an actuator 28 can the telescopic tube 26 in the direction of the suction nozzle 9a of the gas intake duct 9 or away from it adjust.
  • a certain ratio of fresh air 40 circulating air to be circulated 41 Will the telescopic tube up to the suction nozzle 9a, one finds Fresh air operation takes place, the telescopic tube is in If you drive in the other direction, a pure air recirculation mode takes place instead, the fresh air or the recirculated air only is sucked in via the fan 8. On the additional fans in the previous two Embodiments were required can therefore be dispensed with in this exemplary embodiment.
  • the material web 3 first in countercurrent and then in cocurrent transported to the air through the housing 1.
  • the amount of exhaust air to be discharged can be controlled in such a way that a predetermined water content of the exhaust air is maintained can be.
  • other measurements such as the measurement the temperature of the exhaust air conceivable.
  • the fresh air is supplied in one area between housing start 1a and housing end 1b.
  • the illustrated embodiment is the fresh air supply connected in a central area of the housing.
  • Fresh air is supplied.
  • the monitoring happens through suitable sensors, such as a temperature sensor, a flow sensor or a pressure switch, the one at the web inlet slot at the beginning of the housing or at the web exit slot at the end of the housing escaping air detected and to regulate the in the housing overpressure to be set by the performance of the fresh air fans 4 - 4f accordingly changed.
  • the controller with the actuator 28 is in Connection, whereby the position of the telescopic tube 26th can be changed to the required amount of fresh air adjust.
  • Fig. 8 shows the temperature-humidity profile.
  • the drying time is entered in seconds.
  • the web runs through the individual treatment fields in 15 seconds, so that the time period from 0 to 3 seconds the conditions in the first treatment field 2a, the time period from 3 to 6 seconds the ratios in the second treatment section 26, etc. correspond.
  • the humidity of the curves Material web in percent, with 32 the temperature of the material web in degrees Celsius, with 33 the water content of the exhaust air in g / kg and at 34 the air temperature in the dryer designated in degrees Celsius.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
EP01105598A 2000-03-06 2001-03-06 Dispositif et procédé pour le traitement de bandes continues Withdrawn EP1134529A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10010843A DE10010843A1 (de) 2000-03-06 2000-03-06 Vorrichtung und Verfahren zur Behandlung von Warenbahnen
DE10010843 2000-03-06

Publications (2)

Publication Number Publication Date
EP1134529A2 true EP1134529A2 (fr) 2001-09-19
EP1134529A3 EP1134529A3 (fr) 2001-09-26

Family

ID=7633678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01105598A Withdrawn EP1134529A3 (fr) 2000-03-06 2001-03-06 Dispositif et procédé pour le traitement de bandes continues

Country Status (2)

Country Link
EP (1) EP1134529A3 (fr)
DE (1) DE10010843A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830146A2 (fr) 2006-03-13 2007-09-05 Brückner Trockentechnik GmbH & Co. KG Dispositif destiné à guider des bandes de matériau textile
WO2009012943A3 (fr) * 2007-07-20 2009-04-02 Strahm Hi Tex Systems Ag Procédé, four de séchage d'une bande de matériau avec de l'air chaud et utilisation du dispositif
WO2012069301A1 (fr) * 2010-11-23 2012-05-31 Vits Technology Gmbh Procédé et installation destinés à l'imprégnation et au séchage d'une bande de papier défilante

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017106887A1 (de) * 2017-03-30 2018-10-04 Reifenhäuser GmbH & Co. KG Maschinenfabrik Trockner für eine textile Warenbahn mit einer Einrichtung zur Bestimmung der Restfeuchte einer Warenbahn und Verfahren, Modul und Anlage hierzu

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119261A (en) * 1935-07-27 1938-05-31 Bernard R Andrews Method of drying synthetic fiber
DE952617C (de) * 1951-02-20 1956-11-22 Krantz Soehne H Verfahren und Vorrichtung zum Trocknen laufender Stoffbahnen, insbesondere in Spann-, Rahmen- und Trockenmaschinen mit Luft oder Dampf als Trockenmittel
JPS59225277A (ja) * 1983-06-02 1984-12-18 和歌山鉄工株式会社 布帛処理用熱風浄化循環装置
US4697354A (en) * 1985-08-28 1987-10-06 Babcock Textilmaschinen Gmbh Drier for moving sheet material
US5136790A (en) * 1991-03-07 1992-08-11 Thermo Electron-Web Systems, Inc. Method and apparatus for drying coated webs
DE4226107A1 (de) * 1992-08-07 1994-02-10 Vits Maschinenbau Gmbh Trocknungsanlage
DE4406791A1 (de) * 1994-03-02 1995-09-07 Monforts Textilmaschinen Gmbh Vorrichtung zum Beblasen einer textilen Warenbahn

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830146A2 (fr) 2006-03-13 2007-09-05 Brückner Trockentechnik GmbH & Co. KG Dispositif destiné à guider des bandes de matériau textile
EP1830146A3 (fr) * 2006-03-13 2008-08-06 Brückner Trockentechnik GmbH & Co. KG Dispositif destiné à guider des bandes de matériau textile
WO2009012943A3 (fr) * 2007-07-20 2009-04-02 Strahm Hi Tex Systems Ag Procédé, four de séchage d'une bande de matériau avec de l'air chaud et utilisation du dispositif
WO2012069301A1 (fr) * 2010-11-23 2012-05-31 Vits Technology Gmbh Procédé et installation destinés à l'imprégnation et au séchage d'une bande de papier défilante
US8734615B2 (en) 2010-11-23 2014-05-27 Vits Technology Gmbh Method and system for impregnating and drying a continuous paper web

Also Published As

Publication number Publication date
DE10010843A1 (de) 2001-09-20
EP1134529A3 (fr) 2001-09-26

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