EP2558805A1 - Vorrichtung zum durchströmenden behandeln von bahnförmigem material - Google Patents
Vorrichtung zum durchströmenden behandeln von bahnförmigem materialInfo
- Publication number
- EP2558805A1 EP2558805A1 EP11724522A EP11724522A EP2558805A1 EP 2558805 A1 EP2558805 A1 EP 2558805A1 EP 11724522 A EP11724522 A EP 11724522A EP 11724522 A EP11724522 A EP 11724522A EP 2558805 A1 EP2558805 A1 EP 2558805A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen drum
- treatment
- drum
- material web
- 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.)
- Granted
Links
- 238000011282 treatment Methods 0.000 title claims abstract description 74
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000001035 drying Methods 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 3
- 239000002759 woven fabric Substances 0.000 claims abstract description 3
- 238000012216 screening Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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
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 designed as an air treatment unit (fan room) and passed into the treatment room surrounding the screen 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 in the region of the wrap around the circumference of the screen drum covering cupping screen blanket.
- the screen blanket In the operating position, the screen blanket is concentric with the screen drum axis, i.
- the screen cover runs parallel to the screen drum surface. Due to the screen cover designed as a perforated plate, there is a pressure difference between the treatment chamber and the screen drum.
- the invention is thus based on a device for the through-flow treatment of web-like, gas-permeable material, in particular for drying woven or non-woven fabrics, having the features:
- a receiving chamber receiving the screen drum, which is supplied with the gas to be treated, preferably heated air,
- a screen drum surrounding the screen drum in the region enclosed by the material web screen or corresponding flow guide elements, through which the gas flowing in the treatment chamber is passed in the direction of the screen drum surface.
- Object of the present invention is to improve a device of the generic type.
- the wall of the treatment space facing the outer circumference of the screen drum in the region of the loop through the material web exhibits a decreasing distance to the surface of the screen drum or to the screen cover or screen surrounding the screen drum in this area, ie viewed over the circumference of the screen drum the screen drum surrounding flow control elements.
- the treatment space thus runs in the direction of sentlichen in the manner of a helix, namely towards the back approximated to the screen drum surface. If the area of the treatment space according to the invention comprising the sieve drum is unwound to one level, the treatment space is then wedge-shaped. This rejuvenation of the treatment space takes into account the fact that the material web in the rear area is wrapped around the sieve drum evenly the treatment room only a small amount of gas must flow. The air supply to the treatment room is always carried out in the area in which the wall of the treatment room has the greatest distance to the screen drum surface.
- the web running direction and thus the direction of rotation of the screen drum can run in the direction of the tapered treatment chamber, i. the material web to be dried enters that region of the treatment space in which its wall has a large distance from the screen drum surface. In the web running direction then decreases the distance from the wall - the treatment room is smaller. In principle, however, a contrary run of the material web is possible.
- the material web enters the narrow area of the treatment space - this widens in the direction of rotation of the sieve drum.
- the treatment space can have a constant distance to the sieve drum surface. It is also possible that the wall bounding the treatment space has a different spacing in the middle of the drum width than at the edges.
- the screen drum surface is surrounded by a screen cover or flow guide elements, such that from the gas flow in the treatment space a substantially perpendicular to the screen drum surface. ongoing flow arises.
- the screen cover can have a constant perforation over the width and / or length. To produce a desired flow distribution can also be provided to perform the perforation in the screen cover both across the width and in the circumferential direction differently. Vary here the hole size and / or hole shape and / or the distribution.
- the deflection of the gas flow in the treatment space to the flow in the material web-screen drum surface can also be done with appropriately designed flow guide.
- This may be arranged in the circumferential direction of the screen drum successively arranged baffles or Stromlinienleit analyses, which are arranged in the form of strips across the width of the drum extending above the drum surface.
- the wall of the treatment space facing the material web is part of the housing surrounding the sieve drum.
- the material web facing wall of the treatment chamber extends in the form of a curve.
- the material web facing the wall of the treatment room extends in the form of juxtaposed straight surface sections in the manner of a polygon.
- the material web facing wall of the treatment room is adjustable. Furthermore, the explanation of an embodiment with reference to the drawings.
- FIG. 1 shows a screen drum S with an air-permeable outer peripheral 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 guided.
- the material web M via a roller W1 in the housing G purely and the outer circumference of the screen drum S added and removed via a second roller W2 from the outer periphery and led out of the housing G.
- the direction of movement of the material web M is indicated by the arrows.
- an aperture B is arranged in a frame-fixed manner, by means of which suction through in this area is prevented.
- a screen cover SD designed as a perforated sheet is arranged above the region of the screen drum S which is looped around by the material web M.
- the screen cover SD is fixed to the frame, i. firmly connected to the housing G.
- the surrounding the screen drum S housing G is connected via a line system L with a fan having air treatment LA, which sucks and heats the air from the screen drum S.
- a fan having air treatment LA which sucks and heats the air from the screen drum S.
- Part of the air from the sieve drum S is here discharged as exhaust air into the open air - according to fresh air is supplied. This results in a removal of the expelled from the web moisture ness.
- the line system L is designed in such a way that the air supplied to the interior of the housing G - the treatment space BH - flows in uniformly over the width of the screen drum S.
- the wall W of the housing G delimiting the treatment space BH in the region of the wrap around the material web M runs in the form of a curve approaching the outer circumference of the sieve drum S, such that in the direction of rotation of the sieve drum S the distance a1, a2, a3 to the outer circumference of the sieve drum S (or to the screen cover SD or the screen drum S surrounding flow guide elements) steadily decreases.
- the treatment space BH between the wall W of the housing G and the outer circumference of the screen drum S tapers in the direction of rotation of the screen drum S.
- the air introduced via the line system L in the region of the inlet of the material web M flows in the direction of the arrows following the rotation of the screen drum S.
- the treatment chamber which tapers in the direction of drum rotation, takes into account the air sucked through, stabilizes the uniform flow and produces a drying result that can be achieved with reduced expenditure of energy (heating power, air volume) and over the width of the material web M.
- the wall W delimiting the treatment space BH is formed in the region of the looping of the material web M from sections of flat surfaces which approach the outer circumference of the sieve drum S in the manner of a polygonal pull. Also in this embodiment decreases in the direction of rotation of the Screening drum S, the distance a1, a2, a3 to the outer circumference of the screen drum S steadily.
- FIG. 3 shows in principle the flow of air within the treatment space BH in the area above the screen cover SD spanning the screen drum S.
- the screen drum S is subjected to negative pressure by means of a fan located in the air treatment LA.
- the extracted air is mixed with fresh air in the LA air treatment unit and warmed up.
- the warmed-up air is then introduced into the treatment space surrounding the screen drum S above the screen cover SD, such that the air flow above the screen cover SD essentially follows the surface of the rotating screen drum.
- FIG. 4 shows the screen drum S in plan view, specifically as section A - A according to FIG. 1.
- the suction of the air which has flowed into the interior of the screen drum S takes place via an expansion chamber E assigned laterally to the screen drum S whose interior is concentric with the axis of the screen drum S. is designed.
- the inner diameter dE of the expansion chamber is larger than the inner diameter ds of the screen drum S. This allows an optimal outflow of air from the screen drum S - indicated by the flow arrows in the figure 4. In particular, a homogenization of the induced draft across the width of the screen drum is achieved ,
- the expansion chamber E is connected via an air duct with the air treatment LA, not shown here.
- FIG. 5 shows an embodiment of the air supply to the treatment space BH.
- the housing G surrounds the sieve drum S with a wall W approaching the surface of the sieve drum S in the manner of a helical line, thus forming the treatment space BH.
- the air coming from the not shown air treatment LA is lowered via a first supply chamber Z with a wedge-shaped the top of a subsequent below the feed chamber Z subsequent deflection U supplied.
- Air is applied to the treatment space BH at the underside of the deflection chamber U in the area in which the wall W has the greatest distance to the surface of the sieve drum S (see FIG. 1 and 2 for this purpose).
- Supply chamber Z, deflection chamber U and the treatment chamber BH have the same width - the working width of the screen drum S.
- a perforated plate structure LB or correspondingly suitable air guide elements arranged. This perforated plate structure LB causes a uniform air admission of the treatment space BH.
- FIG. 6 shows a possibility of circulating air recirculation, ie how the air is returned from the air treatment LA to the treatment space BH.
- the air promotion serving parts such as treatment room BH, expansion chamber E, air duct L, supply chamber Z and air conditioning LA in a view from above (compared with the perspective view of Figure 5).
- the expansion chamber E is assigned to one side of the screen drum S and the treatment room BH.
- the direction of air flow in the parts is indicated by a block arrow.
- the expansion chamber E can also be arranged on the side of the screen drum S which is opposite the air recirculation (air treatment LA, air line L, supply chamber Z).
- FIG. 8 shows a double-sided recirculation air supply, in which two air treatments LA and two expansion chambers E are provided are.
- the two front ends of the screen drum S is each associated with an expansion chamber, from which the air is supplied to each air treatment LA.
- the supply chamber Z belonging to the two-way circulating air supply is shown in the arrow direction shown in FIG.
- the supply chamber Z has at each end an air duct L and is acted upon by the respective air treatment (not shown) with air.
- the top of the feed chamber extends from the sides toward the center each sloping, so that the chamber has two wedge-shaped areas.
- the air supplied on both sides is conducted uniformly over the width into the deflection chamber U located below the supply chamber Z and from there into the adjoining treatment space BH.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Fiber Materials (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16203804.6A EP3165861B1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010015080 | 2010-04-15 | ||
DE102010018357A DE102010018357A1 (de) | 2010-04-15 | 2010-04-27 | Vorrichtung zum durchströmenden Behandeln von bahnförmigem Material |
PCT/DE2011/000293 WO2011127885A1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16203804.6A Division EP3165861B1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
EP16203804.6A Division-Into EP3165861B1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2558805A1 true EP2558805A1 (de) | 2013-02-20 |
EP2558805B1 EP2558805B1 (de) | 2018-09-12 |
Family
ID=44730760
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11724522.5A Active EP2558805B1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
EP16203804.6A Active EP3165861B1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16203804.6A Active EP3165861B1 (de) | 2010-04-15 | 2011-03-19 | Vorrichtung zum durchströmenden behandeln von bahnförmigem material |
Country Status (5)
Country | Link |
---|---|
US (1) | US8997371B2 (de) |
EP (2) | EP2558805B1 (de) |
CN (1) | CN102859306B (de) |
DE (1) | DE102010018357A1 (de) |
WO (1) | WO2011127885A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010018357A1 (de) * | 2010-04-15 | 2011-10-20 | Fleissner Gmbh | Vorrichtung zum durchströmenden Behandeln von bahnförmigem Material |
DE102012221380A1 (de) * | 2012-11-22 | 2014-05-22 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung und Verfahren zum Behandeln eines vorzugsweise bahnförmigen Guts mit einem gasförmigen Behandlungsmedium |
DE102013114075A1 (de) * | 2013-12-16 | 2015-06-18 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung und Verfahren zum thermischen Verfestigen einer textilen Warenbahn |
DE102015118596A1 (de) * | 2015-10-30 | 2017-05-04 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung und Verfahren zum thermischen Behandeln einer textilen Warenbahn |
US10240292B2 (en) * | 2016-02-29 | 2019-03-26 | Kimberly-Clark Worldwide, Inc. | Through-air drying apparatus and methods of manufacture |
US10132564B1 (en) * | 2016-03-23 | 2018-11-20 | THC Therapeutics, Inc. | Plant dryer with improved convection flow |
DE102016109413A1 (de) * | 2016-05-23 | 2017-11-23 | Trützschler GmbH + Co KG Textilmaschinenfabrik | Trockner für eine textile Warenbahn mit einer verbesserten Heißluftzufuhr |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB913723A (en) | 1959-11-26 | 1962-12-28 | Fleissner Gmbh | Process and device for finishing textile fabric webs |
DE1779862A1 (de) * | 1961-10-02 | 1971-09-23 | Fleissner Gmbh | Vorrichtung zum Behandeln von Guetern |
BE623028A (de) * | 1961-10-02 | |||
FR1586551A (de) | 1967-11-11 | 1970-02-20 | ||
BE758975A (fr) * | 1968-02-14 | 1971-04-30 | Engelmann Walter | Organe de serrage pour pieces cylindriques lisses. |
DE2647198C3 (de) * | 1976-10-19 | 1985-10-03 | BÖWE Maschinenfabrik GmbH, 8900 Augsburg | Trommeltrockner mit einer in einem Gehäuse um eine Achse rotierbaren Trommel |
US4592943A (en) * | 1982-09-30 | 1986-06-03 | Chicopee | Open mesh belt bonded fabric |
EP0130579B1 (de) * | 1983-07-01 | 1988-07-06 | FLEISSNER Maschinenfabrik AG | Vorrichtung zum kontinuierlichen Wärmebehandeln wie Trocknen von bahn- oder bandförmigem Textilgut |
DE3905001A1 (de) | 1989-02-18 | 1990-08-23 | Fleissner Maschf Ag | Siebtrommelvorrichtung mit siebdecke |
DE4325915A1 (de) * | 1993-08-02 | 1995-02-09 | Fleissner Maschf Gmbh Co | Verfahren zum Messen einer Feuchte einer Warenbahn an einem Durchströmungstrockner und Vorrichtung zur Durchführung des Verfahrens |
DE4413779A1 (de) * | 1994-04-20 | 1995-10-26 | Fleissner Maschf Gmbh Co | Vorrichtung zum durchströmenden Behandeln von Textilgut oder dergleichen |
US5678321A (en) * | 1995-09-12 | 1997-10-21 | Beloit Technologies, Inc. | Air caps for two tier double felted dryer |
DE19919757A1 (de) | 1999-04-29 | 2000-11-02 | Fleissner Maschf Gmbh Co | Siebtrommelvorrichtung zum Trocknen von durchlässigen Warenbahnen |
US6199296B1 (en) * | 1999-12-16 | 2001-03-13 | Valmet-Karlstad Ab | Seal arrangement for through-air drying papermaking machine |
US7411110B2 (en) * | 2000-12-20 | 2008-08-12 | Kimberly-Clark Worldwide, Inc. | Thin, high capacity absorbent structure and method for producing same |
WO2002070778A1 (en) * | 2001-03-05 | 2002-09-12 | Applied Process Technologies | Apparatus and method for web cooling in a vacuum coating chamber |
US6964117B2 (en) * | 2002-12-20 | 2005-11-15 | Metso Paper Usa, Inc. | Method and apparatus for adjusting a moisture profile in a web |
DE10307074A1 (de) * | 2003-02-19 | 2004-09-02 | Fleissner Gmbh & Co. Maschinenfabrik | Vorrichtung mit einer von einem Fluid radial durchströmten Siebtrommel und einem diese umgebenden durchlässigen Belag |
US6877246B1 (en) * | 2003-12-30 | 2005-04-12 | Kimberly-Clark Worldwide, Inc. | Through-air dryer assembly |
CN201368655Y (zh) * | 2009-01-13 | 2009-12-23 | 杭州费尔过滤技术有限公司 | 滤膜烘干装置 |
DE102010018357A1 (de) * | 2010-04-15 | 2011-10-20 | Fleissner Gmbh | Vorrichtung zum durchströmenden Behandeln von bahnförmigem Material |
DE102010050044A1 (de) * | 2010-10-29 | 2012-05-03 | Trützschler Nonwovens Gmbh | Vorrichtung zum durchströmenden Behandeln von bahnförmigem Material |
-
2010
- 2010-04-27 DE DE102010018357A patent/DE102010018357A1/de not_active Withdrawn
-
2011
- 2011-03-19 EP EP11724522.5A patent/EP2558805B1/de active Active
- 2011-03-19 EP EP16203804.6A patent/EP3165861B1/de active Active
- 2011-03-19 CN CN201180019214.8A patent/CN102859306B/zh active Active
- 2011-03-19 US US13/640,749 patent/US8997371B2/en active Active
- 2011-03-19 WO PCT/DE2011/000293 patent/WO2011127885A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2011127885A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102859306B (zh) | 2015-03-25 |
CN102859306A (zh) | 2013-01-02 |
EP3165861B1 (de) | 2020-04-29 |
WO2011127885A1 (de) | 2011-10-20 |
US8997371B2 (en) | 2015-04-07 |
EP2558805B1 (de) | 2018-09-12 |
US20130025150A1 (en) | 2013-01-31 |
EP3165861A1 (de) | 2017-05-10 |
DE102010018357A1 (de) | 2011-10-20 |
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