EP1201820A2 - Dispositif de pressage - Google Patents

Dispositif de pressage Download PDF

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Publication number
EP1201820A2
EP1201820A2 EP01117421A EP01117421A EP1201820A2 EP 1201820 A2 EP1201820 A2 EP 1201820A2 EP 01117421 A EP01117421 A EP 01117421A EP 01117421 A EP01117421 A EP 01117421A EP 1201820 A2 EP1201820 A2 EP 1201820A2
Authority
EP
European Patent Office
Prior art keywords
press
roll
arrangement according
roller
suction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01117421A
Other languages
German (de)
English (en)
Other versions
EP1201820A3 (fr
Inventor
Andreas Meschenmoser
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 Paper 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1201820A2 publication Critical patent/EP1201820A2/fr
Publication of EP1201820A3 publication Critical patent/EP1201820A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof
    • D21F3/045—Arrangements thereof including at least one extended press nip
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof

Definitions

  • the invention relates to a press arrangement for treating a fibrous web, especially paper or cardboard web.
  • Tandem NipcoFlex presses known to date have proven themselves in practice. However, they are relatively expensive and have a relatively large overall length. In addition, it can be after the pickup roller with heavy paper types come to a railway waste.
  • the aim of the invention is to provide an improved press arrangement, where the problems mentioned are eliminated. Except as closed as possible Web guidance after the sieve should also include a compact structure can be achieved.
  • the invention creates a press arrangement for the treatment of a fibrous web, in particular paper or cardboard web, with at least two press nips by two separate presses are formed without a common central roller, which in the web running direction looks at the first press which is double felted and an overhead one
  • a suction press roller provided as a pick-up roller and one at the bottom lying counter roll comprises.
  • the mating roll assigned to the suction press roll is one Deflection compensation or crown compensation roller.
  • This counter roller assigned to the suction press roll can in particular a so-called Nipco-F roller, i.e. a self-loading roller his.
  • the second press viewed in the direction of web travel is preferably one Shoe press.
  • the second press viewed in the direction of web travel, can in particular be double be felted.
  • the press arrangement according to the invention is the press plane running through the second press nip inclined to the vertical.
  • the in The web running direction considers the second press nip an upper felt and a lower one Endless belt such as a press belt is guided.
  • the Upper felt and the lower press belt preferably again only by the second press nip, i.e. not also led through the first press nip.
  • the suction press roll is expediently blind-drilled and / or grooved, to at least partially drainage by centrifuging water to enable.
  • the suction press roll is preferably assigned a channel that absorbs water thrown off the suction press roll. Through the The suction press roller at the top can delay the water spin-off somewhat become, which makes it possible to catch them in a gutter.
  • a preferred practical embodiment of the invention Press arrangement is characterized in that by the second Press nip guided top felt in the area of the takeover point by a preferably is designed as a suction roller deflection roller. Conveniently, is the top felt passed through the second press nip in the area the takeover point around a preferably designed as a suction roller Deflection roller guided.
  • the fibrous web in an area between the bottom felt of the first press associated deflection roller and another associated with this bottom felt Deflection roller from that guided through the second press nip Oberfilz taken over.
  • the press plane running through the first press nip is advantageously inclined to the vertical.
  • the suction press roll is preferably driven. Additionally or alternatively can also drive the mating roller assigned to this suction press roll his.
  • Press arrangement comprises the second one provided as a shoe press Press an upper shoe press roll and a lower counter roll.
  • the counter roller is preferably driven.
  • Another advantageous embodiment of the press arrangement according to the invention is characterized in that in the direction of web travel considered second press is simply felted that the roller below the second press touches the fibrous web and that the one below Roller is assigned at least one scraper.
  • Figure 1 shows a purely schematic representation of a first embodiment one arranged between a wire section 10 and a dryer section 12 Press section of a machine for producing a fibrous web 14, which is in particular a paper or cardboard web can act.
  • This arranged between the wire section 10 and the dryer section 12 Press section comprises a double press arrangement 16 with two in Web running direction L press nips S1 and S2 arranged one behind the other, by two separate presses 18, 20 without a common central roller and are formed without common felts.
  • the first press 18 viewed in the direction of web travel L comprises an upper one horizontal suction press roll 22, which is also provided as a pick-up roll a counter roll 24 located below.
  • the counter roll 24 assigned to the suction press roll 22 can in particular a deflection compensation roller.
  • This counter roller 24 can for example by a so-called Nipco-F roller, i.e. a self-incriminating Roll be formed.
  • the suction press roll 22 can be blind drilled and / or grooved, at least partially drainage by centrifuging water too enable.
  • the suction press roll 22 is a channel 32 assigned to the water thrown from the suction press roll 22 receives.
  • the suction press roll 22 and the counter roll 24 assigned to it are each driven.
  • the suction press roll 22 is inclined arranged on the left above the associated counter roller 24.
  • the first press nip S1 running press plane is thus opposite Vertical inclined.
  • fibrous web 14 led out is preferred in the area of a Deflection roller 34, formed as a suction roller, from the upper felt 26 separated and together with the bottom felt 28 around the deflection roller 34 performed, in the area of which they then through the second press nip S2 guided top felt 36 is taken over.
  • the Fibrous web 14 in an area between the bottom felt 28 of the first Press 18 associated deflection roller 34 and another this Bottom felt 28 associated deflection roller 38 by the through the second Press gap S2 taken over upper felt 36.
  • the second Press gap S2 guided top felt 36 is in the area of the takeover point 40 around a deflection roller 37, which is preferably again designed as a suction roller guided.
  • a press 42 is associated with the press 20, for example.
  • This second press 20 can thus be felted twice again his.
  • a Endless belt such as in particular a press belt (belt) or the like is provided his.
  • the web running direction L looks around the second press 20 in the present case a shoe press with an overhead shoe press roll 44 and one lower, preferably driven counter roll 46.
  • shoe press roll 44 is diagonally to the right above the Counter roll 46 arranged.
  • the one running through the second press nip S2 The press plane is thus inclined towards the vertical again.
  • the upper felt 36 and the lower felt 42 or the lower endless belt in question are only through the second press nip S2, i.e. not simultaneously led through the first press nip S1.
  • the first press nip S1 and through the second press nip S2 run separately Felt or separate endless belts.
  • the roll shell of the shoe press roll 44 can be blind drilled and / or be grooved to at least partially drainage by centrifuging of water. This can also be done accordingly Roller 44 may again be assigned a channel 48 in order to prevent the roller 44 from moving to take off flung water.
  • roller 24 below and the roller below Roller 46 each assigned at least one trough 58 or 60.
  • the fibrous web 14 is put together with the bottom felt 42 around a preferably provided as a suction roll Deflection roller 50 guided, in the area of the upper felt 36 of the Fibrous web 14 and the bottom felt 42 is separated.
  • the fibrous web 14 is in the area of a suction roll trained deflecting roller 52 taken over by a dryer wire 54 and the first drying cylinder 56 of the dryer section 12.
  • Figure 2 shows a further embodiment in a purely schematic representation one between a wire section 10 and a dryer section 12 arranged press section of a machine for producing a fibrous web 14.
  • the fibrous web 14 in particular act again on a paper or cardboard web.
  • the press section again comprises a double press arrangement 16 two press nips S1 arranged one behind the other in web running direction L. and S2, which are formed by two separate presses 18, 20 without a common central roller and are formed without common felts.
  • the present press section differs from that according to FIG. 1 mainly because the second viewed in the direction of web travel L Press 20 is no longer double, but is simply felted and that the bottom lying roller 46 of this second press 20 touches the fibrous web 14 and at least one scraper 62 is assigned to the roller 46 located below is.
  • the dryer wire 54 can again have a in particular designed as a suction roller deflection roller 52.
  • this embodiment can at least essentially again have the same structure as that of Figure 1. Are each other corresponding parts assigned the same reference numerals.

Landscapes

  • Paper (AREA)
EP01117421A 2000-10-31 2001-07-19 Dispositif de pressage Withdrawn EP1201820A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10053935A DE10053935A1 (de) 2000-10-31 2000-10-31 Pressenanordnung
DE10053935 2000-10-31

Publications (2)

Publication Number Publication Date
EP1201820A2 true EP1201820A2 (fr) 2002-05-02
EP1201820A3 EP1201820A3 (fr) 2002-11-20

Family

ID=7661658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01117421A Withdrawn EP1201820A3 (fr) 2000-10-31 2001-07-19 Dispositif de pressage

Country Status (3)

Country Link
US (1) US6521093B2 (fr)
EP (1) EP1201820A3 (fr)
DE (1) DE10053935A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10226825A1 (de) * 2002-06-15 2003-12-24 Voith Paper Patent Gmbh Pressanordnung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH607635A5 (fr) * 1976-06-14 1978-09-29 Escher Wyss Ag
FI85520C (fi) * 1988-12-23 1992-04-27 Tampella Oy Ab Foerfarande och anordning foer ledande av en fiberbana fraon en vira genom ett pressparti.
DE4112355A1 (de) 1991-04-16 1992-10-22 Escher Wyss Gmbh Pressenpartie einer papiermaschine
DE19609988A1 (de) * 1996-03-14 1997-09-18 Voith Sulzer Papiermasch Gmbh Pressenpartie einer Papiermaschine
DE29701382U1 (de) * 1997-01-28 1997-03-20 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Pressenpartie einer Papiermaschine
DE19921205A1 (de) * 1998-09-02 2000-03-09 Voith Sulzer Papiertech Patent Pressenanordnung
DE19840023A1 (de) * 1998-09-02 2000-03-09 Voith Sulzer Papiertech Patent Pressenanordnung
DE19902139A1 (de) * 1999-01-20 2000-07-27 Voith Sulzer Papiertech Patent Pressenanordnung
DE19912497A1 (de) * 1999-03-19 2000-09-21 Voith Sulzer Papiertech Patent Presseanordnung
DE19955029A1 (de) * 1999-11-16 2001-05-17 Voith Paper Patent Gmbh Pressenanordnung

Also Published As

Publication number Publication date
US6521093B2 (en) 2003-02-18
US20020050330A1 (en) 2002-05-02
DE10053935A1 (de) 2002-05-08
EP1201820A3 (fr) 2002-11-20

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