EP3339507A1 - Procédé de fonctionnement d'un sous-système de groupes de chauffage et sous-système de groupes de chauffage - Google Patents

Procédé de fonctionnement d'un sous-système de groupes de chauffage et sous-système de groupes de chauffage Download PDF

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Publication number
EP3339507A1
EP3339507A1 EP17198197.0A EP17198197A EP3339507A1 EP 3339507 A1 EP3339507 A1 EP 3339507A1 EP 17198197 A EP17198197 A EP 17198197A EP 3339507 A1 EP3339507 A1 EP 3339507A1
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EP
European Patent Office
Prior art keywords
heating
heating group
steam
group
vapor
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EP17198197.0A
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German (de)
English (en)
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EP3339507B1 (fr
Inventor
Martin Dauner
Thomas Mack
Christoph Adams
Frank-Udo Schönborn
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Voith Patent GmbH
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Voith Patent GmbH
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    • 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
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • 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
    • D21F5/02—Drying on cylinders
    • D21F5/022—Heating the cylinders
    • D21F5/028—Heating the cylinders using steam
    • 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

Definitions

  • the invention relates to a method for operating a Walker disciplineteilsystems a machine for producing or treating a fibrous web, in particular a paper or board web, said Bankmanteilsystem a first heating group and a last heating group and at least one further heating group, each having at least one having a vapor pressure Heating steam heated device, in particular a drying cylinder, for heating the fibrous web comprises, wherein the fibrous web is guided in the machine direction of the machine successively through the heating groups.
  • the invention also relates to a heating group subsystem of a machine for producing or treating a fibrous web, in particular a paper or board web.
  • the document WO 2014/180645 A1 discloses a cascade steam system for a dryer section of a paper machine in which the vapor pressure of the heating steam in the first heating group is higher than in the second heating group and higher than the vapor pressure in the third heating group.
  • the heating system is arranged so that the vapor pressure of the heating groups in the machine direction increases.
  • a thermocompressor is provided, which increases the pressure of the vapor of the last heating group so that it can be supplied to the heating group system again as heating steam.
  • the document AT384254 B also describes a cascade steam system for a dryer section of a paper machine in which the vapor pressure of the heating steam in the first heating group is higher than in the second heating group and higher than the vapor pressure in the third heating group.
  • the heating group system is arranged so that the vapor pressure of the heating groups in the machine direction increases.
  • the vapor of the heating group with the lowest pressure level is deposited in a heat exchanger for heating the engine air and an auxiliary condenser.
  • the object of the invention is to propose a heating system with improved energy efficiency and more flexible operation, as well as reduced energy consumption for paper drying.
  • the invention relates to a method for operating a heating group subsystem of a machine for producing or treating a fibrous web, in particular a paper or board web, wherein the heating group subsystem comprises a first heating group and a last heating group and at least one further heating group each having at least one with a vapor pressure Heating steam heated device, in particular a drying cylinder, for heating the fibrous web comprises, wherein the fibrous web is seen in the machine direction, first by the first heating group, then passed through the at least one further heating group and then through the last heating group.
  • the vapor pressure of the heating steam of the at least one further heating group is set lower than the respective vapor pressure of the heating steam of the first heating group and the last heating group.
  • a heating group subsystem of a machine for producing or treating a fibrous web, in particular a paper or board web is proposed, wherein the heating group subsystem comprises a first heating group and a last heating group and at least one further heating group, each with at least one heating device having a steam pressure, in particular a drying cylinder, for heating the fibrous web comprises, wherein the fibrous web seen in the machine direction, first by the first heating group, then passed through the at least one further heating group and then through the last heating group.
  • the vapor pressure of the heating steam of the at least one further heating group is lower than the respective vapor pressure of the heating steam of the first heating group and the last heating group.
  • the heating group subsystem preferably forms part of the overall heating system of a machine for producing or treating a fibrous web, in particular a paper or board web. Seen in the machine direction, therefore, further heating groups can be arranged after the heating group subsystem.
  • the heating group subsystem is advantageously used in a paper machine for drying the fibrous web in a dryer section.
  • the dryer section is divided into a pre-dryer section and a post-dryer section. It is possible that that Walker lawteilsystem is used in the pre-dryer section and / or in the after-dryer section.
  • the heating group subsystem is arranged so that the first heating group of the heating group subsystem is the first heating group in the running direction of the machine.
  • the Schumanteilsystem is thus arranged at the beginning of the dryer section.
  • the first heating group thus supplies the first or the first plurality of devices heated with a steam pressure having heating steam. This can also be applied correspondingly to a pre-drying section and / or a post-drying section.
  • the vapor pressure of the heating steam of the at least one further heating group is, in contrast to the known state of the art of the cascade heating systems, lower than the vapor pressure of the first heating group.
  • the at least one further heating group is arranged between the first heating group and the last heating group.
  • the heating group subsystem according to the invention preferably has three heating groups.
  • the at least one further heating group forms in this case the second heating group seen in the direction of the machine.
  • the heating group subsystem according to the invention comprises four heating groups. So there are two more heating groups provided which form the second and the third heating group in this case.
  • the vapor pressure of the heating steam of the two further heating groups is in each case lower than the respective vapor pressure of the heating steam of the first heating group and the last heating group.
  • the heating group subsystem according to the invention may have more than four heating groups. So there are provided according to more than two more heating groups.
  • the vapor pressure of the heating steam of the other heating groups is lower than the respective vapor pressure of the heating steam of the first heating group and the last heating group.
  • the vapor pressure of the heating steam of the first heating group is set equal to or higher than the vapor pressure of the heating steam of the last heating group.
  • the vapor pressure of the heating steam of the first heating group is thus the highest steam vapor pressure in the heating group subsystem.
  • the vapor pressure of the heating steam of the at least one further heating group is set in the range between 50 kPa and 700 kPa above the ambient pressure, preferably between 50 kPa and 400 kPa.
  • the vapor pressure of the heating steam of the first heating group is in the range between 200 kPa and 1000 kPa above the ambient pressure and the vapor pressure of the heating steam of the last heating group in the range between 300 kPa and 900 kPa above ambient pressure.
  • the heating steam after flowing through the respective steam-heated device, is fed to a heating group in each case to a separator for separating condensate and vapor.
  • the broth steam of the first heating group and the broth steam of the at least one further heating group and the broth steam of the last heating group are fed to the heating steam of the steam-heated device at least one of the at least one further heating group.
  • the vapor vapor of the at least one further heating group is fed via a thermocompressor to the heating steam of the steam-heated device of at least one of the at least one further heating group.
  • the thermocompressor is preferably supplied with live steam of a steam supply system, wherein the vapor pressure of the live steam is higher than the vapor pressure of the heating steam of the heating groups.
  • the heating group subsystem seen in the direction of the machine comprising a dryer section, is provided at the beginning of a dryer section of a paper machine.
  • the vapor pressure of the heating steam of the first heating group is set equal to or higher than the vapor pressure of the heating steam of the last heating group.
  • the respective heating group and thus the respective at least one device heated with heating steam is connected via a steam supply line to a steam supply line.
  • Each heating group is assigned a separator for the separation of condensate and Brüdendampf.
  • the respective separator is connected in each case via a discharge line with the respective heating group and the respective steam-heated device.
  • the separator of the first heating group and the separator of the at least one further heating group and the separator of the last heating group are each connected via a vapor line to the steam supply line of the at least one further heating group.
  • the steam supply line is preferably connected to a steam supply system whose vapor pressure is higher than the vapor pressure of the heating steam of the heating groups.
  • the vapor line for the vapor from the separator of the at least one further heating group for compression via a thermocompressor to the steam supply line is connected, wherein the thermocompressor is preferably connected to the steam supply line.
  • the respective condensate line of the separator of the first heating group and of the separator of the last heating group is connected to the discharge line of one of the at least one further heating group.
  • the vapor line of the first heating group has a backflow prevention device, for example a non-return valve.
  • a backflow prevention device for example a non-return valve.
  • a vacuum separator for generating or providing vapors of condensate in the vacuum region is provided, which is connected via a vapor line with a thermocompressor, wherein the vapor of the vacuum separator is compressed by the thermocompressor and the steam supply line of the first heating group is supplied.
  • FIG. 1a shows a schematic representation of a heating group subsystem for a dryer section of a paper machine with drying cylinders according to the prior art, which is designed as a cascade heating system consisting of 3 heating groups HG1, HG2, HG3.
  • the heating groups are heated with heating steam.
  • the steam supply pipes 3, 4, 5 are connected to a steam supply pipe 2.
  • the steam supply lines 2 are supplied by a steam supply system DV with heating steam.
  • the heating groups HG1, HG2, HG3 are arranged successively with respect to the running direction of the paper machine.
  • the heating group HG1 thus forms the first heating group and supplies the first drying cylinders with heating steam.
  • the steam supply line 2 also supplies an after-drying section NTP with steam.
  • the amount of heating steam for each heating group is adjustable by valves.
  • the mixture of saturated steam and condensate is fed via the discharge lines 6, 7, 8 to a respective separator S1, S2, S3 for the separation of the broth steam and condensate.
  • the respective condensate is discharged.
  • the Brüdendampf the heating group HG3 is supplied from the separator 3 via the vapor line 14 of the steam supply line 4 of the second heating group HG2. Accordingly, the Brüdendampf the heating group HG2 is supplied from the separator 2 via the vapor line 13 of the steam supply line 3 of the first heating group HG1.
  • the Brüdendampf the heating group HG1 is supplied from the separator 1 via the vapor line 12 a capacitor KS and condensed there.
  • the latent heat of the Brüdendampfes the heating group HG1 is therefore not used directly for paper drying.
  • the vapor pressure PD of the heating steam in the heating groups HG1, HG2, HG3 are selected such that the first heating group HG1 has the lowest vapor pressure PD, the second heating group HG2 has the second lowest vapor pressure PD, and the third heating group HG3 has the highest vapor pressure PD.
  • FIG. 2a shows an exemplary embodiment of a heating group subsystem according to the invention in a schematic and simplified representation for a dryer section of a paper machine with drying cylinders, comprising 3 heating groups HG1, HG2, HG3.
  • the heating groups are heated with heating steam.
  • the steam supply pipes 3, 4, 5 are connected to a steam supply pipe 2.
  • the steam supply lines 2 are supplied by a steam supply system DV with heating steam.
  • the heating groups HG1, HG2, HG3 are arranged successively with respect to the running direction of the paper machine.
  • the heating group HG1 thus forms the first heating group and supplies one or more first drying cylinders with heating steam.
  • the steam supply line 2 also supplies an after-drying section NTP with steam.
  • the vapor pressure of the respective heating steam can be set independently for each heating group HG1, HG2, HG3 by means of valves. After the heating steam of a heating group HG1, HG2, HG3 has flowed through the drying cylinder or the cylinder, the mixture of broth steam and condensate via the discharge lines 6, 7, 8 to a respective separator S1, S2, S3 for the removal of vapor and condensate.
  • the condensate of the heating group 2 is fed via the condensate line 10 to a condensate collector.
  • the condensate of the heating group 1 is supplied from the separator 1 via the condensate line 9 of the discharge line 7.
  • condensate of the heating group 3 is also supplied from the separator 3 via the condensate line 11 to the discharge line 7 of the heating group 2.
  • the Brüdendampf the heating group HG3 is supplied from the separator 3 via the vapor line 14 of the steam supply line 4 of the second heating group HG2 and used again for the paper drying directly.
  • the Brüdendampf the heating group HG1 is supplied from the separator 1 via the vapor line 12 of the steam supply line 4 of the second heating group HG2 and used again for the paper drying directly.
  • the broth steam of the heating group HG2 is returned through the vapor line 13 via a thermocompressor from the separator 2 into the steam feed line 4 of the second heating group HG2, and thus also used directly again for the paper drying.
  • the thermocompressor 15 acts as a jet pump, steam being used from the steam supply line 2 as the driving jet.
  • the vapor pressure of the Brüdendampfes from the separator 2 of the heating group HG2 is characterized at least to the pressure level of Heating steam placed in the steam supply line 4.
  • the steam pressure PD of the heating steam in the heating groups HG1, HG2, HG3 is selected such that the first heating group HG1 has the highest vapor pressure PD, the second heating group HG2 the lowest vapor pressure PD and the third heating group HG3 a vapor pressure PD which is between the vapor pressure of the first heating group HG1 and the second heating group HG2.
  • FIG. 3 shows a practical, more detail comprehensive embodiment of a heating subset according to the invention after Figure 2a and 2b for a dryer section of a paper machine with drying cylinders 1.1, 1.2, 1.3, 1.4, 2.1, 2.2, 3.1, 3.2 comprising 3 heating groups HG1, HG2, HG3.
  • the heating groups are heated with heating steam.
  • the steam supply pipes 3, 4, 5 are connected to a steam supply pipe 2.
  • the steam supply lines 2 are supplied by a steam supply system DV with heating steam.
  • the first heating group HG1 comprises the drying cylinders 1.1, 1.2, 1.3.1.4
  • the second heating group HG2 comprises the drying cylinders 2.1, 2.2
  • the third heating group HG3 comprises the drying cylinders 3.1, 3.2.
  • the heating groups HG1, HG2, HG3 are arranged successively with respect to the running direction of the paper machine.
  • the heating group HG1 thus forms the first heating group and supplies several first drying cylinders 1.1, 1.2, 1.3, 1.4 with heating steam.
  • the steam supply line 2 also supplies a night dryer section NTP or another steam consumer with steam.
  • the vapor pressure of the respective heating steam can be set independently for each heating group HG1, HG2, HG3 by means of valves. After the heating steam of a heating group HG1, HG2, HG3 has passed through the drying cylinder, the mixture of vapor and condensate is fed via the discharge lines 6, 7, 8 to a respective separator S1, S2, S3 for the separation of the steam and condensate.
  • the condensate of the heating group 2 is supplied via the condensate line 10 to a condensate collection container, wherein previously heat for the Haubenzu poverty HZL was removed for the hood of the dryer section.
  • the condensate of the heating group 1 is supplied from the separator 1 via the condensate line 9 of the discharge line 7. Accordingly, condensate of the heating group 3 is also supplied from the separator 3 via the condensate line 11 to the discharge line 7 of the heating group 2.
  • the Brüdendampf the heating group HG3 is supplied from the separator 3 via the vapor line 14 of the steam supply line 4 of the second heating group HG2 and used again for the paper drying directly.
  • the Brüddenampf the heating group HG2 is returned by the vapor line 13 via a thermocompressor 15 from the separator 2 in the steam supply line 4 of the second heating group HG2 again and thus also used again for the paper drying directly.
  • the thermocompressor 15 acts as a jet pump, steam being used from the steam supply line 2 as the driving jet.
  • the vapor pressure of the Brüdendampfes from the separator 2 of the heating group HG2 is thereby brought at least to the pressure level of the heating steam in the steam supply line 4.
  • the steam pressure PD of the heating steam in the heating groups HG1, HG2, HG3 is selected such that the first heating group HG1 has the highest vapor pressure PD, the second heating group HG2 the lowest vapor pressure PD and the third heating group HG3 a vapor pressure PD which is between the vapor pressure of the first heating group HG1 and the second heating group HG2.
  • valves and vapor lines 12, 13, 14 are provided, shown here with arrows to direct the vapors directly to a capacitor KS.
  • vapor lines 17 from other heating groups, not shown here may be connected.
  • the condenser KS is connected to lines CW for the supply and discharge of cooling water.
  • the heating group subsystem 1 also includes a vacuum separator V in the condensate lines from a post-dryer section NTP open.
  • the vacuum separator V generates from it vapor vapor, which will be passed directly into the condenser KS.
  • thermocompressor 16 is provided with which it is possible to operate the heating group subsystem 1 as a classic cascade heating system, for example in the production of certain types of paper.
  • the thermocompressor 16 acts as a jet pump, with steam from the steam supply line 2 being used as the driving jet.
  • steam from the steam supply line 2 being used as the driving jet.
  • the first heating group HG1 of the heating group subsystem 1 has the lowest vapor pressure of the heating steam of all the heating groups HG2, HG3 of the heating group subsystem 1 and the second heating group HG2 of the heating group subsystem 1 the second lowest vapor pressure and the third heating group HG3 the highest Vapor pressure of the heating steam.
  • This thermocompressor 16 is connected to the vapor line 18 and to the steam supply line 2. This makes it possible in the case of cascade operation of the heating subset 1 of the resulting in the separator S1 and V in the vacuum separator vapor back into the steam supply line 3 of the heating group HG1 and directly to use for paper web drying.
  • the vapor line 12 of the first heating group HG1 has a non-return valve 19 in order to prevent a backflow of heating steam from the steam supply line 4 via the vapor line 12 into the separator S1 of the first heating group HG1 or into the vacuum separator V.
  • thermocompressor 16 may be out of service.
  • the thermocompressor 16 can also be operated with steam from another steam supply network, for example a steam supply network with a higher vapor pressure.
  • the vapor pressure of the Brüdendampfes from the vacuum separator V can thereby be brought at least to the pressure level of the heating steam in the DampfzuQuerytechnisch 3 and used directly for the drying of the paper web.
  • valves in the steam supply lines 3, 4, 5 are connected to pressure control systems PIC for controlling the vapor pressure of the respective heating steam and the valves the discharge lines 6, 7, 8 are coupled to pressure difference control systems PDIC.
  • the valves in the condensate lines 9, 10, 11 are equipped with leveling LIC.
EP17198197.0A 2016-12-21 2017-10-25 Procédé de fonctionnement d'un sous-système de groupes de chauffage et sous-système de groupes de chauffage Active EP3339507B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016125172.0A DE102016125172A1 (de) 2016-12-21 2016-12-21 Verfahren zum Betrieb eines Heizgruppenteilsystems und Heizgruppenteilsystem

Publications (2)

Publication Number Publication Date
EP3339507A1 true EP3339507A1 (fr) 2018-06-27
EP3339507B1 EP3339507B1 (fr) 2019-04-17

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US (1) US10533284B2 (fr)
EP (1) EP3339507B1 (fr)
CN (1) CN108221450B (fr)
DE (1) DE102016125172A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180171555A1 (en) * 2016-12-21 2018-06-21 Voith Patent Gmbh Method for operation of a heating group subsystem, and heating group subsystem
EP4249838A2 (fr) 2023-05-17 2023-09-27 KARL MAYER STOLL R&D GmbH Dispositif de séchage de bande textile
WO2024056998A1 (fr) * 2022-09-14 2024-03-21 James Cropper Plc Système d'alimentation en vapeur et procédé d'alimentation en vapeur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384254B (de) * 1985-07-03 1987-10-27 Andritz Ag Maschf Einrichtung zur nutzung von ueberschussdampf
US5379528A (en) * 1993-12-09 1995-01-10 J. M. Voith Gmbh Paper making machine drying section steam pressure profile
WO2006070063A1 (fr) * 2004-12-31 2006-07-06 Metso Paper, Inc. Procede pour ameliorer le comportement machine d'une partie de sechage d'une machine a papier, utilisation d'un cylindre de sechage rotatif, partie de sechage d'une machine a papier et procede de selection d'une strategie de sechage

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI54627C (fi) * 1977-04-04 1979-01-10 Valmet Oy Foerfarande och anordning i torkpartiet i en pappersmaskin
US4625430A (en) * 1984-06-06 1986-12-02 Valmet Oy Drying section and method in paper machine
FI69141C (fi) * 1984-10-09 1985-12-10 Tampella Oy Ab Foerfarande och anordning foer torkning av en pappersbana eller liknande
US5404653A (en) * 1987-02-13 1995-04-11 Beloit Technologies, Inc. Apparatus for drying a web
FI80102C (fi) * 1988-07-01 1990-04-10 Tampella Oy Ab Foerfarande och anordning foer torkning av en fiberbana.
DE4016921C2 (de) * 1989-07-07 1994-04-07 Voith Gmbh J M Vorrichtung zum Trocknen einer Materialbahn
FI91900C (fi) * 1990-12-17 1994-08-25 Valmet Paper Machinery Inc Menetelmä paperikoneen kuivatusosalla paperin käyristymistaipumuksen vähentämiseksi ja menetelmän toteuttamiseen tarkoitettu kuivatusosa
FI92736C (fi) * 1993-02-01 1994-12-27 Tampella Oy Valmet Kuivatuslaite kuiturainan kuivaamiseksi
FI103820B1 (fi) * 1993-11-30 1999-09-30 Valmet Paper Machinery Inc Menetelmät paperirainan kuivatuksessa sekä paperikoneen kuivatusosat
US5592751A (en) * 1994-11-23 1997-01-14 Voith Sulzer Papiermaschinen Gmbh Dryer section having combination of single and double tier dryer groups
US6219934B1 (en) * 1995-06-07 2001-04-24 Max Moskowitz Roller vacuum bridge for single and/or double tier drying sections of paper making machines
DE19602492C2 (de) 1996-01-25 2000-12-07 Voith Sulzer Papiermasch Gmbh Maschine zur Herstellung einer Papier- oder Kartonbahn
USH1906H (en) * 1996-10-21 2000-11-07 Beloit Technologies, Inc. Papermaking dryer with pivoting vacuum transfer rolls
USH1789H (en) * 1996-10-22 1999-03-02 Beloit Technologies, Inc. Papermaking dryer with pivoting vacuum transfer rolls
US5791065A (en) * 1997-02-06 1998-08-11 Asea Brown Boveri, Inc. Gas heated paper dryer
US6101735A (en) * 1997-04-22 2000-08-15 Valmet Corporation Dryer section in a paper machine in which impingement and/or ventilation hoods are used
FI103999B1 (fi) * 1997-04-22 1999-10-29 Valmet Corp Kuivatusyksikkö ja niitä soveltava kuivatusosa
CA2206382C (fr) * 1997-05-28 2000-08-22 Asea Brown Boveri Inc. Correction du roulage et du profil hydrique au moyen de hottes a grande vitesse
US5850701A (en) * 1997-06-05 1998-12-22 Voith Sulzer Paper Technology North America, Inc. Dryer group with controlled heating and cooling of a paper web in a paper-making machine
DE19741517A1 (de) 1997-09-20 1999-03-25 Voith Sulzer Papiermasch Gmbh Verfahren zur Verringerung der Haftung einer feuchten Faserstoffbahn an einer rotierenden Walze
US6085437A (en) * 1998-07-01 2000-07-11 The Procter & Gamble Company Water-removing apparatus for papermaking process
DE19934777A1 (de) 1999-07-23 2001-01-25 Voith Paper Patent Gmbh Trockenpartie
DE19934868A1 (de) 1999-07-24 2001-01-25 Voith Paper Patent Gmbh Beheizter Trockenzylinder
DE19958867A1 (de) 1999-12-07 2001-07-12 Voith Paper Patent Gmbh Verfahren und Anordnung zum Trocknen einer Faserstoffbahn, insbesondere Papier-, Karton- oder Tissuebahn
DE10109525A1 (de) * 2001-02-28 2002-09-05 Voith Paper Patent Gmbh Prallströmtrockner
EP1709242A2 (fr) * 2004-01-30 2006-10-11 Voith Patent GmbH Systeme de deshydratation avance
AT413709B (de) * 2004-06-28 2006-05-15 Andritz Ag Maschf Vorrichtung zum kontinuierlichen trocknen einer faserstoffbahn
FI119029B (fi) * 2006-01-30 2008-06-30 Metso Paper Inc Menetelmä ja laite kuiturainakoneen, kuten paperi- tai kartonkikoneen kuivatusosassa
FI20065061L (fi) * 2006-01-30 2007-07-31 Metso Paper Inc Menetelmä ja laite kuiturainakoneen, kuten paperi- tai kartonkikoneen kuivatusosassa
DE102006062235A1 (de) * 2006-12-22 2008-06-26 Voith Patent Gmbh Verfahren und Vorrichtung zur Trocknung einer Faserstoffbahn
DE102008000133A1 (de) * 2008-01-23 2009-07-30 Voith Patent Gmbh Trockenpartie
DE102008041860A1 (de) * 2008-09-08 2010-03-11 Voith Patent Gmbh Heizsystem zur Behandlung einer Faserstoffbahn
FI124562B (fi) * 2009-11-27 2014-10-15 Valmet Technologies Inc Kuiturainakoneen kuivatusosan höyry- ja lauhdejärjestelmä
DE102011085821A1 (de) * 2011-06-20 2012-12-20 Voith Patent Gmbh Verfahren und System zur Wärmerückgewinnung für eine Trockenpartie einer Maschine zur Herstellung einer Materialbahn
CN105189865A (zh) 2013-05-08 2015-12-23 福伊特专利有限公司 用于运行制造或处理纤维料幅的机器的干燥部的加热系统的方法和加热系统
JP5728556B2 (ja) * 2013-10-18 2015-06-03 ユニ・チャーム株式会社 不織布の嵩回復装置
CN204455703U (zh) * 2015-01-08 2015-07-08 江苏理文造纸有限公司 瓦楞纸生产用快速防断裂高压闪蒸干燥系统
CA2905562C (fr) * 2015-01-30 2023-03-28 Enerquin Air Inc. Un dispositif de ventilateur de pochette et une methode
CN107636221B (zh) * 2015-05-08 2020-08-21 蒂斯有限及两合公司 用于处理纺织基材的方法以及用于执行该方法的装置
CN205741757U (zh) * 2016-05-12 2016-11-30 湖北宜昌翔陵纸制品有限公司 一种造纸烘干机冷凝水排放装置
CN205711542U (zh) * 2016-06-19 2016-11-23 东莞市鼎邦机械科技有限公司 一种纸品智能节能温控系统
DE102016125172A1 (de) * 2016-12-21 2018-06-21 Voith Patent Gmbh Verfahren zum Betrieb eines Heizgruppenteilsystems und Heizgruppenteilsystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384254B (de) * 1985-07-03 1987-10-27 Andritz Ag Maschf Einrichtung zur nutzung von ueberschussdampf
US5379528A (en) * 1993-12-09 1995-01-10 J. M. Voith Gmbh Paper making machine drying section steam pressure profile
WO2006070063A1 (fr) * 2004-12-31 2006-07-06 Metso Paper, Inc. Procede pour ameliorer le comportement machine d'une partie de sechage d'une machine a papier, utilisation d'un cylindre de sechage rotatif, partie de sechage d'une machine a papier et procede de selection d'une strategie de sechage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180171555A1 (en) * 2016-12-21 2018-06-21 Voith Patent Gmbh Method for operation of a heating group subsystem, and heating group subsystem
US10533284B2 (en) * 2016-12-21 2020-01-14 Voith Patent Gmbh Method for operation of a heating group subsystem, and heating group subsystem
WO2024056998A1 (fr) * 2022-09-14 2024-03-21 James Cropper Plc Système d'alimentation en vapeur et procédé d'alimentation en vapeur
EP4249838A2 (fr) 2023-05-17 2023-09-27 KARL MAYER STOLL R&D GmbH Dispositif de séchage de bande textile

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DE102016125172A1 (de) 2018-06-21
CN108221450A (zh) 2018-06-29
US10533284B2 (en) 2020-01-14
EP3339507B1 (fr) 2019-04-17
US20180171555A1 (en) 2018-06-21

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