EP2633251A1 - Dispositif de traitement de matériau en forme de bande par passage au travers du matériau - Google Patents

Dispositif de traitement de matériau en forme de bande par passage au travers du matériau

Info

Publication number
EP2633251A1
EP2633251A1 EP11779120.2A EP11779120A EP2633251A1 EP 2633251 A1 EP2633251 A1 EP 2633251A1 EP 11779120 A EP11779120 A EP 11779120A EP 2633251 A1 EP2633251 A1 EP 2633251A1
Authority
EP
European Patent Office
Prior art keywords
drum
marked
screen
web
screen drum
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
Application number
EP11779120.2A
Other languages
German (de)
English (en)
Other versions
EP2633251B1 (fr
Inventor
Stephan Hajdu
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.)
Truetzschler Nonwovens and Man Made Fibers GmbH
Original Assignee
Truetzschler Nonwovens 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 Truetzschler Nonwovens GmbH filed Critical Truetzschler Nonwovens GmbH
Publication of EP2633251A1 publication Critical patent/EP2633251A1/fr
Application granted granted Critical
Publication of EP2633251B1 publication Critical patent/EP2633251B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/16—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning perforated in combination with hot air blowing or suction devices, e.g. sieve drum dryers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area

Definitions

  • the invention relates to a device for through-flow treatment, in particular for drying sheet-like material according to the preamble of claim 1.
  • a screen drum device for the continuous heat treatment of gas-permeable material webs is known.
  • a material carrying the web in its outer periphery permeable designed sieve drum is rotatably mounted.
  • the sieve drum is placed under induced draft via a fan assigned to the front side as a suction air generator.
  • the extracted air is heated in a part of the housing formed as an air treatment (ventilator space) and directed into the treatment space surrounding the sieve drum. Due to the negative pressure within the sieve drum, the heated air flows through the textile material web carried by the sieve drum.
  • this screen drum is assigned a screen cover covering the screen drum in the area of the loop.
  • This jam or screen blanket is designed shell-shaped, so surrounds the sieve drum so centric or the stowage ceiling consists of straight sheet metal sections. Regardless of the type of arrangement of the screen cover this is designed as a perforated plate. The degree of transmittance of the screen cover is smaller than that of the screen drum carrying the material web. This results in a
  • a screen drum device in which the screen cover surrounds the drum in the shape of a shell and the holes determining the air flow in the screen cover are adapted in arrangement and / or hole density to the throughflow changing in the circumferential direction of the drum.
  • DE 40 22 336 A1 and EP 0465 769 A1 each show a device for the flow-through treatment of web-like material in which a jam and a screen blanket, each having a perforation, are displaceable relative to each other and so the air flow over the drum width is adjustable , The device is used to adjust the flow to different widths of material webs. Accordingly, different perforations are provided for congestion and screen ceiling.
  • a dryer is known in which the drum carrying the material web is associated with a screen cover composed of straight sheets.
  • the invention is therefore based on a device for the continuous treatment of web-like, gas-permeable material, in particular for drying woven or nonwoven fabrics, having the features:
  • a sieve drum surrounding the screen drum in the area wrapped by the material web.
  • Object of the present invention is to improve a device of the generic type, especially in the direction of increasing performance at low air speeds.
  • the air permeability of the screen cover can be changed at least in a circumferential section of the screen drum.
  • the fact is utilized that the air throughput through the material is not constant over the wrapping path of the material web. In the front region of the loop, so after a short transport path is, for example. With wet material, the air permeability is still low, compared to the air permeability of the web towards the end of the transport route, so after a lot of moisture was expelled.
  • the air permeability of the screen cover can be changed at least in a circumferential section, that is to say a transport section of the material web, a very differentiated adaptation to the present treatment situation can be undertaken.
  • a very differentiated adaptation to the present treatment situation can be undertaken.
  • the permeability of the screen cover sections over the entire transport path of the web can be changed.
  • the screen cover is constructed in sections of perforated sheet metal elements.
  • At least one perforated plate element is interchangeable.
  • At least one perforated plate element is assigned a slider with windows for adjusting the permeability.
  • the slider is mounted parallel to the axial direction of the screen drum displaceable relative to the perforated plate element.
  • the invention is applicable to dryers in which the material web to be dried flows through hot air and thus expels the moisture in the material. Also, the invention is applicable to the heat setting serving facilities in which, for example, a nonwoven consisting of fusible fibers is treated with hot air flowing through and solidified. Especially with voluminous, loose nonwovens, a low throughflow rate is desirable because this does not adversely affect the structure of the material.
  • the permeability of the screen cover can be changed in sections over essentially the entire transport path of the track. This can be done by the perforated plates in the Siebse sections are interchangeable, and in the sections a sheet with provided Lo- chung, hole diameter, hole geometry is used.
  • the sheets are interchangeable insertable in slots and can preferably laterally, ie parallel to the drum axis in slots inserted and ejected.
  • the sieve cover has a fixed hole grid with openings of suitable diameter.
  • the slide plate has windows adapted to the perforated grid, which each release or close the second row of holes. This allows the air outlet in the section from the full opening to be reduced by 50%.
  • FIG. 1 shows a screen drum S with an air-permeable outer circumferential surface.
  • the screen drum S is rotatably mounted in a housing G and connected in a manner not shown with a vacuum generator.
  • the direction of rotation of the sieve drum S is indicated by the arrow.
  • the interior of the housing G forms a treatment space BH for a material web M to be dried.
  • a material web M for example a nonwoven web is guided.
  • the material web M is fed into the housing G via a roller W1 and the outer circumference of the screen drum S, and removed from the outer circumference via a second roller W2 and led out of the housing G.
  • the direction of movement of the material web M is indicated by the arrows.
  • Inside the sieve drum S is not wrapped in the material web.
  • gen region arranged an aperture B fixed to the frame, through which a sucking in this area is prevented.
  • a perforated screen cover SD is arranged above the region of the screen drum S which is looped around by the material web M.
  • the screen cover SD is mounted fixed to the frame, that is firmly connected to the housing G and consists of individual flat sections, which are each designed as a perforated plate.
  • the screen drum S is connected at one end to a suction fan and is thus subjected to negative pressure.
  • the fan is in a side adjoining the treatment room
  • the Siebtrommel S surrounding Siebdecke SD consists of individual perforated plate elements LE with holes L ( Figure 2, 3). Each perforated plate element LE is assigned a relative to this movable slide SB, which has adapted to the hole structure of the perforated plate element LE window F. In the example shown in FIGS.
  • the windows F of the slide SB have such a geometry and width that a complete row of holes in the perforated sheet element can be closed when the slide SB is moved (FIG. 2) or this row of holes can be released (FIG ).
  • the movements necessary for closing and opening the holes L in the perforated sheet metal element LE are indicated by the arrows in FIGS. 2 and 3.
  • the displacement of the slide SB about a row of holes causes the increase of the air flow rate by 100%, ie the air flow rate is doubled, starting from FIG. 2 (FIG. 3). If other geometries of perforations L in the perforated sheet metal element LE and on windows in the slide SB are selected, then further metering regions for the air passage can be realized.
  • the openings in the screen cover are completely closed by inserting a completely closed sheet metal.
  • the Siebbetweenabitesen SD guide elements are assigned, in which the provided slide SB can be used.
  • the slides SB can be sheets with different window geometries or completely closed sheets. It can be provided that the slides SB are slidably received parallel to the axial direction of the screen drum S. Preferably, a remote adjustment is then provided by which individual slide SB but also all slides SB can be adjusted in total.
  • the permeability of the Siebsupportabête SD on the transport path of the material web M is individually adjustable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

L'invention concerne un dispositif de traitement de matériau (M) en forme de bande, perméable au gaz, par passage au travers du matériau, en particulier pour sécher des matières tissées ou non tissées, le dispositif présentant les caractéristiques : - un tambour perforé (S) qui, monté à rotation et relié à un générateur de vide partiel, présente un pourtour extérieur perméable, la bande de matériau (M) à traiter courant autour d'une partie du pourtour extérieur du tambour perforé (S), - une chambre de traitement (BH) qui abrite le tambour perforé (S) et qui est soumise à l'action du gaz de traitement, de préférence de l'air chauffé, - une couverture perforée (SD) entourant le tambour perforé (S) dans la région autour de laquelle s'enroule la bande de matériau (M) à l'intérieur de la chambre de traitement (BH). Selon l'invention, la perméabilité à l'air de la couverture perforée (SD) peut être modifiée dans au moins une partie du pourtour du tambour perforé (S).
EP11779120.2A 2010-10-29 2011-10-19 Dispositif de traitement de matériau en forme de bande par passage au travers du matériau Not-in-force EP2633251B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010050044A DE102010050044A1 (de) 2010-10-29 2010-10-29 Vorrichtung zum durchströmenden Behandeln von bahnförmigem Material
PCT/EP2011/068245 WO2012055732A1 (fr) 2010-10-29 2011-10-19 Dispositif de traitement de matériau en forme de bande par passage au travers du matériau

Publications (2)

Publication Number Publication Date
EP2633251A1 true EP2633251A1 (fr) 2013-09-04
EP2633251B1 EP2633251B1 (fr) 2016-03-02

Family

ID=44907826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11779120.2A Not-in-force EP2633251B1 (fr) 2010-10-29 2011-10-19 Dispositif de traitement de matériau en forme de bande par passage au travers du matériau

Country Status (3)

Country Link
EP (1) EP2633251B1 (fr)
DE (1) DE102010050044A1 (fr)
WO (1) WO2012055732A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130025150A1 (en) * 2010-04-15 2013-01-31 Boehn Markus Device for the flow-through treatment of web-shaped material

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013114075A1 (de) 2013-12-16 2015-06-18 TRüTZSCHLER GMBH & CO. KG Vorrichtung und Verfahren zum thermischen Verfestigen einer textilen Warenbahn
DE102014102119A1 (de) * 2014-02-19 2015-08-20 TRüTZSCHLER GMBH & CO. KG Vorrichtung zum Trocknen einer textilen Warenbahn
DE102014105060A1 (de) * 2014-04-09 2015-10-15 Trützschler GmbH + Co KG Textilmaschinenfabrik Trockner für eine textile Warenbahn
DE102015118596A1 (de) * 2015-10-30 2017-05-04 TRüTZSCHLER GMBH & CO. KG Vorrichtung und Verfahren zum thermischen Behandeln einer textilen Warenbahn
DE102016110117A1 (de) 2016-06-01 2017-12-07 TRüTZSCHLER GMBH & CO. KG Vorrichtung zur Wärmebehandlung einer textilen Warenbahn, insbesondere ein Trockner oder Thermobonder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1635332A1 (de) * 1966-07-06 1971-04-01 Vepa Ag Vorrichtung zum Heissluftbehandeln oder Daempfen von Textilmaterialien
DE1729494B2 (de) * 1967-07-05 1975-11-13 Vepa Ag, Riehen Bei Basel (Schweiz) Verwendung einer unter Saugzug eines Gases stehenden Siebtrommel zum Wärmebehandeln von luftdurchlässigem Gut im Hochfrequenzfeld
DE1900496C3 (de) * 1969-01-07 1978-11-09 Vepa Ag, Riehen B. Basel (Schweiz) Vorrichtung zum Behandeln von durchlässigen Gütern
DE3006758A1 (de) 1980-02-22 1981-09-03 Vepa AG, 4125 Riehen, Basel Vorrichtung zum trocknen von bahnfoermigen textilgut mit zwei uebereinander angeordneten siebtrommeln
DE3905001A1 (de) 1989-02-18 1990-08-23 Fleissner Maschf Ag Siebtrommelvorrichtung mit siebdecke
DE4022336A1 (de) 1990-07-13 1992-01-16 Fleissner Maschf Ag Vorrichtung zum durchstroemenden behandeln von bahnfoermigem gut
DE19919757A1 (de) 1999-04-29 2000-11-02 Fleissner Maschf Gmbh Co Siebtrommelvorrichtung zum Trocknen von durchlässigen Warenbahnen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012055732A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130025150A1 (en) * 2010-04-15 2013-01-31 Boehn Markus Device for the flow-through treatment of web-shaped material
US8997371B2 (en) * 2010-04-15 2015-04-07 Trützschler Nonwovens & Man-Made-Fibers Gmbh Device for the flow-through treatment of web-shaped material

Also Published As

Publication number Publication date
DE102010050044A1 (de) 2012-05-03
WO2012055732A1 (fr) 2012-05-03
EP2633251B1 (fr) 2016-03-02

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