EP2106483A1 - Procédé et dispositif de séchage d'une bande de matière fibreuse - Google Patents

Procédé et dispositif de séchage d'une bande de matière fibreuse

Info

Publication number
EP2106483A1
EP2106483A1 EP07857929A EP07857929A EP2106483A1 EP 2106483 A1 EP2106483 A1 EP 2106483A1 EP 07857929 A EP07857929 A EP 07857929A EP 07857929 A EP07857929 A EP 07857929A EP 2106483 A1 EP2106483 A1 EP 2106483A1
Authority
EP
European Patent Office
Prior art keywords
fibrous web
steam
hot air
drying zone
machine according
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
EP07857929A
Other languages
German (de)
English (en)
Other versions
EP2106483B1 (fr
Inventor
Luiz Carlos Da Silva
Thomas Scherb
Ronaldo Parucker
Oswaldir Rizzatto
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2106483A1 publication Critical patent/EP2106483A1/fr
Application granted granted Critical
Publication of EP2106483B1 publication Critical patent/EP2106483B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • D21F5/182—Drying webs by hot air through perforated cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • D21F11/145—Making cellulose wadding, filter or blotting paper including a through-drying process
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/20—Waste heat recovery
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y10T428/24455—Paper

Definitions

  • the invention relates to a method for drying a fibrous web, in particular paper, board or tissue web, in which the moving fibrous web in the region of a preceding predetermined drying zone with hot air from a hot air hood applied and subsequent to the drying zone a downstream drying cylinder, in particular Yankee cylinder , Is fed to which a further hood is assigned and in the area of the fibrous web is further dried. It further relates to a corresponding machine for producing a fibrous web, in particular paper, board or tissue web.
  • WO 2005/075737 A1 a process is already described which serves to produce a voluminous tissue web and in which a so-called belt press in conjunction with a hot air hood or alternatively a steam hood is used for dewatering the fibrous web up to a certain dry content.
  • tissue machines it is important to reduce energy consumption, especially during the drying process, to achieve a predefined dry content.
  • the invention has for its object to provide an improved method and an improved machine of the type mentioned, in which the drying process, preferably for the aforementioned method for producing a tissue web, in particular with regard to the energy requirements for the dewatering of the fibrous web is optimized.
  • this object is achieved in that the hot air for the previous drying zone associated hot air hood is at least partially removed from the subordinate drying cylinder hood.
  • the hot air for the hot air hood assigned to the preceding drying zone is preferably at least partially taken from the exhaust air of the hood associated with the downstream drying cylinder.
  • the hot air hood associated with the preceding drying zone can be supplied with drying air from a separate drying air source and this drying air fed to the hot air hood can be heated by hot air, in particular by means of a heat exchanger, which is taken from the hood or its exhaust air associated with the drying cylinder.
  • the hot air for the hot air hood of the preceding drying zone is at least partially removed from the drying cylinder or its exhaust air, energy is recovered accordingly.
  • energy recovery is possible because the temperature of the exhaust air from such hood associated with, for example, a Yankee cylinder is much higher than the temperature required for the hot air to supply the hot air hood to the preceding drying zone.
  • the temperature of the hood of a drying cylinder such as in particular a Yankee cylinder removed hot air for example, be about 300 0 C.
  • the hot air hood of the preceding drying zone is at least partially supplied with hot air whose temperature is in a range ⁇ 250 ° C, in particular ⁇ 200 0 C and preferably in a range of about 150 0 C to about 200 0 C.
  • the fibrous web is at least partially applied with steam within the drying zone.
  • the fibrous web preferably tissue web, so hot air and steam is used in combination with each other.
  • the fibrous web is considered in the web running direction within the first half of the total length of the drying zone with steam.
  • the fibrous web is considered in the web running direction, at least at the beginning of the drying zone with steam.
  • the fibrous web viewed in the web running direction, can first be subjected to steam and then to hot air.
  • the fibrous web viewed in the web running direction, is acted upon by steam over at least substantially the entire length of the drying zone.
  • the fibrous web in the web running direction at least substantially only within the first half of the total length of the drying zone, in which case the fibrous web viewed in Bahniaufraum preferably at least substantially only Steam is applied over the first half of the total length of the drying zone.
  • the fibrous web is viewed in the web running direction at least substantially only within the first third of the total length of the drying zone, and thereby preferably at least substantially over this first third time away with steam applied.
  • the fibrous web viewed in Bruiauf- direction is applied at least substantially only within the first quarter of the total length of the drying zone, and in this case preferably at least substantially over this first quarter away with steam.
  • the fibrous web viewed in the web running direction, is acted upon with steam only at the beginning of the drying zone.
  • the fibrous web is acted upon over the predetermined drying path away with hot air.
  • the drying zone can be defined at least substantially by the area in which hot air is applied to the fibrous web.
  • the fibrous web can be acted upon in particular within and / or before this drying zone with steam.
  • the fibrous web viewed in the web running direction, is treated at least in regions simultaneously with both hot air and steam. Under a simultaneous admission is to be understood in each case that a respective point of the fibrous web is acted upon both with hot air and with steam.
  • TAD Through Air Drying
  • a preferred alternative embodiment of the method according to the invention is characterized in that the fibrous web is passed through the drying zone together with at least one permeable band, in particular a structured band, whereby first the permeable band and then the fibrous web are flowed through by the hot air or the steam ,
  • the fibrous web in the drying zone can advantageously be covered by at least one further permeable band, in particular press belt, in which case first the further permeable band or press belt, then the first permeable band or structure band and finally the fibrous web of the hot air or hotfibre web
  • the steam is flowed through.
  • a dewatering belt in particular felt belt, can be guided through the drying zone together with the fibrous web, wherein first the further permeable belt or press belt, then the first permeable belt or structure belt and the fibrous web and finally the additional dewatering belt from the hot air or the Steam to be flowed through, as far as this, as already mentioned, is not condensed in the web.
  • the fibrous web can at least in some areas also be exposed to throughflow drying.
  • the object specified above is also achieved by a machine for producing a fibrous web, in particular paper, board or tissue web, with a preceding drying zone, in the area of the current fibrous web is beaufschiagbar with hot air from a hot air hood, and with a downstream drying cylinder, in particular Yankee cylinder, with associated hood for further drying of the fibrous web, this machine being characterized in that the hot air for the hot air hood associated with the preceding drying zone is at least partially taken from the hood associated with the downstream drying cylinder.
  • the hot air for the hot air hood assigned to the preceding drying zone is at least partially taken from the exhaust air of the hood associated with the downstream drying cylinder.
  • the hot air hood associated with the preceding drying zone is advantageously supplied with drying air from a separate drying air source, this drying air supplied to the hot air hood being heated by hot air, in particular by means of a heat exchanger, which is taken from the hood or its exhaust air associated with the drying cylinder.
  • the temperature of the hood of a drying cylinder, in particular a Yankee cylinder, removed hot air as already mentioned, for example, be about 300 0 C.
  • the hot air hood of the drying zone is at least partially supplied with hot air, the temperature in a range ⁇ 250 0 C, in particular ⁇ 200 ° C and preferably in a range of about 150 0 C to about 200 0 C.
  • the temperature of the hot air for supplying the hot air hood can be adjusted and / or regulated in accordance with the energy consumption in order to optimize the operating point. A higher temperature would usually not result in more efficient drying.
  • the fibrous web is at least partially acted upon by steam within the drying zone.
  • the drying zone can be defined at least essentially in particular by the dimensions of the hot air hood. Steaming of the fibrous web is advantageously conceivable within and / or in front of the drying zone or hot air hood.
  • At least one steam-blowing device for impingement of the fibrous web with steam, at least one steam-blowing device, in particular steam-blow pipe or steam-blower boxes, is advantageously provided.
  • the steam blower expediently extends at least substantially over the entire width of the hot air hood measured transversely to the web running direction.
  • the steam blower is at least partially disposed within the hot air hood.
  • the Dampfblasein- direction may also be arranged in the web running direction directly in front of the hot air hood.
  • the relevant steam blower device can moreover be arranged, constructed and / or controlled so that the fibrous web, viewed in the direction of web travel, is acted upon by both hot air and steam at the same time over only a part of the total length of the drying zone or over the entire drying zone.
  • the diameter of the openings of this steam blow pipe is advantageously in a range of about 5 to about 1 mm, and preferably in a range of about 4 to about 2.5 mm.
  • the diameter in question is preferably limited upwards, since a certain speed is required for the steam jet.
  • the distance between the steam blower and the outer permeable belt covering the fibrous web is preferably ⁇ 30 mm, in particular ⁇ 20 mm , in particular ⁇ 15 mm and preferably ⁇ 10 mm.
  • the steam blower device comprises a steam blower tube, its openings can advantageously be arranged at a mutual distance ⁇ 20 mm, in particular ⁇ 10 mm and preferably ⁇ 7.5 mm.
  • the moisture transverse profile of the fibrous web can advantageously be adjusted and / or regulated via this.
  • the dry content of the fibrous web can be influenced or adjusted and / or regulated at least substantially via this steam blow pipe.
  • the steam blower device may comprise only at least one steam blow box or only at least one steam blow pipe or else at least one steam blow box or at least one steam blow pipe.
  • means such as a scraper or the like are advantageously provided in order to remove the air boundary layer entrained with the outer permeable band covering the fibrous web prior to entry of the band into the drying area ,
  • the flow rate (l / min) of the steam is preferably less than the flow rate (l / min) of the hot air.
  • the flow rate of the vapor may advantageously be less than 0.5 times, in particular less than 0.3 times, and preferably less than 0.2 times, the flow rate of the hot air.
  • the steam causes an increase in the temperature of the fibrous web to reduce the viscosity of the water in the fibrous web.
  • the steam in the fibrous web, in particular tissue web must condense, as this results in the relevant increase in temperature. This temperature increase can be adjusted for example by an appropriate choice of the correct temperature level for the hot air.
  • the temperature of the hot air impinging on the fibrous web is thus preferably adjustable, in particular for influencing the condensation of the steam in the fibrous web.
  • the steam condenses immediately before entering the fibrous web. This is because the steam is cooled by the housing of the hot air hood and by the incoming colder bands. This may occur in particular in the case of the use of a so-called belt press, since in this case the steam first has to penetrate two outer bands, namely the outer permeable band, in particular press belt, and optionally a permeable structured band, before it enters the fibrous web.
  • the fibrous web is guided through the drying zone together with a permeable structured strip, this preferably has a permeability of> 100 cfm, in particular> 300 cfm, in particular> 500 cfm and preferably> 700 cfm. It is particularly advantageous if the fibrous web is covered in the preceding drying zone by a permeable press belt, which consists at least substantially of plastic, in particular polyamide, Polyethyien, polyurethane, etc.
  • the fibrous web in the preceding drying zone can also be covered by a permeable press belt, which is formed by a metal band.
  • At least one belt guided through the drying zone together with the fibrous web is preheated in the web running direction in front of the drying zone. This is particularly useful in the case that a metal existing press belt is used.
  • a steam heater for preheating advantageously a steam heater, an IR heater and / or a hot water heater is used.
  • a hot water heating device is particularly suitable for an inner band guided through the drying zone together with the fibrous web, in particular an additional dewatering belt.
  • the air separation layer entrained on the surface of the outer band may expediently be removed, for example, by means of a scraper extending over the width thereof in front of the hot air hood. This also brings a correspondingly higher temperature after it is avoided that the steam is cooled before entering the fibrous web.
  • the temperature of the hot air can thus be chosen lower.
  • FIG. 1 is a schematic representation of a conventional, only working with steam drying device and the corresponding dry content gain and the corresponding temperature profile
  • FIG. 2 is a schematic representation of a conventional, only working with hot air drying device and the corresponding dry content gain and the corresponding temperature profile
  • FIG. 3 shows a schematic illustration of an exemplary embodiment of a machine according to the invention for producing a tissue web with a drying device according to the invention
  • FIG. 4 shows a simplified schematic representation of a modified embodiment of the drying device according to the invention and the corresponding increase in dry content and the corresponding temperature profile.
  • Fig. 1 shows a schematic representation of a conventional, only working with steam drying device with a suction zone 10 having a suction roller 12 and the suction zone 10 in the initial area opposite steam blow box 14.
  • the tissue web 16 is between an inner dewatering belt 18 or felt and a structured band 20 is guided over the suction roll 12 together with an outer, here made of metal press belt.
  • the bands 18 to 20 are each permeable.
  • the press belt 22 is guided over guide rollers 24 and presses the belts 18 to 22 and the tissue web 16 in the region of the suction zone 10 against the suction roller 12.
  • the temperature T increases. Following this, however, the tissue web 16 already cools down strongly within the suction zone 10 with the intake ambient air. As can be seen from FIG. 1, a dry content increase of about 0.2% occurs, specifically only in the region of the steam book box 14.
  • FIG. 2 shows a schematic representation of a conventional, working only with hot air drying device.
  • This drying apparatus comprises a suction roller 12 having a suction zone 10 and a hot air hood 26 extending opposite the suction zone 10 over its entire length viewed in the web running direction L.
  • the tissue web 16 is again comprised between a permeable dewatering belt 18 or felt and a permeable structured belt 20 with an outer permeable press belt 22 made of metal over the suction zone 10 of the suction roll 12.
  • the dry content increment D in this drying apparatus in which the tissue web 16 is dried by the hot air flowing therethrough, is about 1.5%.
  • the temperature T increases in the region of the suction zone 10 and the hot air hood 26 only slightly.
  • FIG. 3 shows a schematic representation of an exemplary embodiment of a machine 28 according to the invention for producing a fibrous web, here for example a tissue web with a drying device 30 according to the invention.
  • the drying device 30 comprises a suction roll 32 having a suction zone 34 defined in particular by an integrated suction box and a hot air hood 36 assigned to the suction roll 32.
  • the fibrous web 38 here for example tissue web
  • a permeable structured band 40 over the suction roll 32, the fibrous web 38 lying between the permeable structured band 40 and the suction roll 32.
  • a high-pressure permeable press belt 80 winds around the suction roll 32, whereby a belt press is formed.
  • This press belt 80 which is merely indicated in FIG. 1, can be seen even more clearly in FIG.
  • the hot air from the hot air hood 36 thus flows successively through the permeable press belt 80, the permeable structured belt 40 and the fibrous web 38 into the suction zone 34 of the suction roller 32.
  • a dewatering belt 42 led to the suction roll 32, which is between the suction roll 32 and the permeable structured band 40 and through which the hot air flows into the suction zone 34 of the suction roll 32.
  • the permeable press belt 80, the permeable structured belt 40, the fibrous web 38 and the dewatering belt 42 are successively flowed through by the hot air.
  • the running fibrous web 38 is thus subjected to hot air in the region of the drying device 30 over a preceding drying zone, wherein this drying zone can be determined at least substantially by the hot air hood 36.
  • this drying zone viewed in the web running direction L, may for example extend at least essentially over the suction zone 34 of the suction roll 32 or, for example, beyond it.
  • the fibrous web 38 is fed to a downstream drying cylinder 60, in particular Yankee cylinder, to which a further hood 66 is assigned and in whose area the fibrous web 38 is further dried.
  • the hot air for the hot air hood assigned to the preceding drying zone is at least partially taken from the hood assigned to the downstream drying cylinder 60.
  • the hot air for the preceding drying zone associated Hschreibiufthaube 36 at least partially the exhaust air of the downstream drying cylinder 60 associated hood 66 are removed.
  • drying air supplied from a separate drying air source can also be supplied to the drying air hood associated with the preceding drying zone, and this drying air supplied to the hot air hood can then be heated by hot air, in particular by means of a heat exchanger, which is taken from the hood or its exhaust air assigned to the drying cylinder ,
  • the hood 66 of the drying cylinder 60 removed hot air may for example have a temperature of about 300 0 C.
  • the hot air hood 36 can be at least partially supplied in particular with hot air whose temperature is in a range ⁇ 250 0 C, in particular in a range ⁇ 200 0 C and preferably in a range of about 150 D C to about 200 0 C.
  • Vorteühaft the fibrous web 38 is applied in the area of thezelzyiinder 60 preceding drying zone with hot air and at least partially with steam.
  • the fibrous web 38 viewed in the web running direction L can be acted upon at least at the beginning of the drying zone with steam.
  • the fibrous web 38, viewed in the web running direction L is acted upon with steam only at the beginning of this drying zone. It is considered in the web running direction first with steam and then applied with hot air.
  • At least one steam biasing device 44 is provided, in particular a steam blower tube or steam blower box.
  • this steam blowing device 44 comprises a preferably provided at the beginning of the drying zone steam blow pipe.
  • the steam blower 44 may extend at least substantially over the entire width of the hot air hood 36 measured transversely to the web running direction L.
  • it is at least partially disposed within the hot air hood 36.
  • the steam blower 44 may, for example, also comprise at least one steam blow box. Also in this case the steam blower box is again located at the beginning of the drying zone defined here at least substantially by the hot air hood 36 and at least substantially inside the hot air hood 36. Also in this case, the fibrous web 38 is thus initially subjected to steam and then hot air.
  • means such as, in particular, a scraper 46 or the like may be provided in order to discharge the air separation layer entrained with the outer permeable structured strip 40 covering the fibrous web 38 prior to entry of the belt 40 into the drying zone.
  • the machine 28 further comprises a former with two converging drainage belts 40, 48, wherein the inner belt simultaneously forms the permeable structured belt 40 in the present case.
  • the two dewatering belts 40, 48 merge to form a pulp inlet gap 50 and are guided over a forming element 52 such as in particular a forming roller.
  • the permeable structured band 40 is formed by the inner dewatering band of the former coming into contact with the forming element 52.
  • the outer dewatering belt 48 which does not come into contact with the forming element 52, is separated again from the fibrous web 38 following the forming element 52.
  • the pulp suspension is introduced into the stock inlet gap 50.
  • a suction element 56 may be provided, through which the fibrous web 38 is held on the permeable structured band 40 or pressed against this permeable structured band 40.
  • the dewatering belt 42 is again separated from the permeable structured belt 40.
  • a pickup or separating element 58 is provided, through which the fibrous web 38 is held at the separation of the dewatering belt 42 to the permeable structured band 40.
  • the fibrous web 38, together with the permeable structured band 40 is guided through a press nip 64 formed between the drying cylinder 60, preferably formed by a Yankee cylinder, and a pressing element 62, such as a press roll.
  • the pressing element 62 in the present case is, for example, a shoe press roll. Behind the press nip 64, the permeable structured band 40 is again separated from the drying cylinder 60, while the fibrous web 38 remains on the drying cylinder 60.
  • the dome 66 is assigned to the drying cylinder 60.
  • a vacuum box with a hot air hood 68 or the like may be provided between the suction roll 32 and the drying cylinder 60 to increase the sheet strength.
  • the hot air for the suction roll 32 associated hot air hood 36 may be at least partially removed from the drying cylinder 60 associated hood 66.
  • the heat extracted from this hood 66 has a temperature, for example in the range of about 300 0 C, which is generally higher than the temperature required for the hot air of the hot air box 36.
  • the hot air taken from the hood associated with the drying cylinder can be supplied to the hot air hood via a supply line 70, in which at least one valve 72, in particular a control valve, can be arranged.
  • a filter 74 may be provided for the removal of in particular short fibers, dust or the like.
  • a fan may be arranged in this supply line 70.
  • the hot air taken from the hood 60 associated with the cylinder 60 can also be mixed with cold air supplied via a line 76. Also in the line 76 for the supplied cold air again at least one valve 78, in particular control valve may be provided. About the mixing ratio of the hood 66 removed hot air and the cold air so the temperature of the hot air hood 36 supplied air can be adjusted.
  • the steam blower 44 comprises a steam blower box at least substantially inside the hot air hood 36 instead of a steam blow pipe.
  • This steam blower box viewed in the web running direction L, is again provided at the beginning of the drying zone defined here at least essentially by the hot air hood 36.
  • the present embodiment also differs from that of FIG. 3 in that, in addition to the permeable structured band 40 and the dewatering band 42 or felt, a permeable press belt 80 is guided together with the fibrous web 38 through the drying zone, through which the permeable structured band 40 , the fibrous web 38 and the permeable dewatering belt 42 in the region of the suction zone 34 are pressed against the suction roll 32.
  • the press belt 18 is viewed in the web running direction L before and behind the drying zone each guided around a guide roller 82, via which the relevant voltage for the press belt 80 is generated.
  • a relatively high temperature T results relative to the entire suction zone, which here simultaneously defines the drying zone T. Accordingly, a relatively high dry content gain, here for example about 3%, also arises.

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  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un procédé de séchage d'une bande de matière fibreuse, en particulier une bande de papier, de carton ou de tissu, au cours duquel la bande de matière fibreuse continue est exposée, dans la région d'une zone de séchage prédéterminable antérieure, à de l'air chaud provenant d'une manche à air chaud et amenée à un cylindre-sécheur situé en aval, après la zone de séchage, en particulier un cylindre frictionneur, auquel est associée une autre manche et dans la zone duquel la bande de matière fibreuse est davantage séchée. L'air chaud pour la manche à air chaud associée à la zone de séchage antérieure est prélevé au moins partiellement de la manche associée au cylindre-sécheur situé en aval.
EP07857929.9A 2006-12-22 2007-12-20 Procédé et dispositif de séchage d'une bande de matière fibreuse Active EP2106483B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006062235A DE102006062235A1 (de) 2006-12-22 2006-12-22 Verfahren und Vorrichtung zur Trocknung einer Faserstoffbahn
PCT/EP2007/064308 WO2008077874A1 (fr) 2006-12-22 2007-12-20 Procédé et dispositif de séchage d'une bande de matière fibreuse

Publications (2)

Publication Number Publication Date
EP2106483A1 true EP2106483A1 (fr) 2009-10-07
EP2106483B1 EP2106483B1 (fr) 2016-03-16

Family

ID=39204706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07857929.9A Active EP2106483B1 (fr) 2006-12-22 2007-12-20 Procédé et dispositif de séchage d'une bande de matière fibreuse

Country Status (6)

Country Link
US (2) US8402673B2 (fr)
EP (1) EP2106483B1 (fr)
BR (1) BRPI0717667A2 (fr)
CA (1) CA2673182C (fr)
DE (1) DE102006062235A1 (fr)
WO (1) WO2008077874A1 (fr)

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US8544184B2 (en) 2013-10-01
US20090288311A1 (en) 2009-11-26
CA2673182A1 (fr) 2008-07-03
WO2008077874A1 (fr) 2008-07-03
EP2106483B1 (fr) 2016-03-16
DE102006062235A1 (de) 2008-06-26
US20130160321A1 (en) 2013-06-27
US8402673B2 (en) 2013-03-26
BRPI0717667A2 (pt) 2013-12-03
CA2673182C (fr) 2012-12-18

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