EP1505203A1 - Dispositif de traitement d'une bande - Google Patents

Dispositif de traitement d'une bande Download PDF

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Publication number
EP1505203A1
EP1505203A1 EP04102675A EP04102675A EP1505203A1 EP 1505203 A1 EP1505203 A1 EP 1505203A1 EP 04102675 A EP04102675 A EP 04102675A EP 04102675 A EP04102675 A EP 04102675A EP 1505203 A1 EP1505203 A1 EP 1505203A1
Authority
EP
European Patent Office
Prior art keywords
shoe
adjustable
segments
nip
radially
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
EP04102675A
Other languages
German (de)
English (en)
Other versions
EP1505203B1 (fr
Inventor
Josef Schneid
Reinhard Hoffmann
Stefan Wilmsmeyer
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 EP1505203A1 publication Critical patent/EP1505203A1/fr
Application granted granted Critical
Publication of EP1505203B1 publication Critical patent/EP1505203B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/006—Calenders; Smoothing apparatus with extended nips
    • 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
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses

Definitions

  • the invention relates to a device for treating a material web, in particular for influencing gloss and / or smoothness of a Paper or board web or for dewatering a paper or nonwoven web, with at least one nip between one nipple unit with at least one extended in the running direction broad nip shoe and a guided over the broad nip shoe circumferential flexible band and a complementary counter unit is formed.
  • the invention is based on the object, an improved device of the type mentioned above, in which the in the web running direction measured width of Breitnipschuhs if necessary to the extent possible simple way to change quickly.
  • a support element used in several, in the direction of passage the fibrous web successive support element sections is divided.
  • the subdivision of the support element only serves here to, in the web running direction, a pressure profile with at least two consecutively To produce lying maximum pressure.
  • Device is the inlet side and the outlet side shoe segment each with a hydrodynamic casserole or drainage surface for provided the circumferential flexible band.
  • the relevant shoe segments are expediently radially between the working position and the rest position adjustable. They can do this radially adjustable between a working position and a rest position Shoe segments, in particular a smaller radial height than the radial do not have adjustable shoe segments.
  • Device are the radially between a working position and a rest position adjustable shoe segments each between two arranged radially non-adjustable shoe segments and in its rest position each in a recess at least one of the adjacent received radially non-adjustable shoe segments.
  • the Breitniptician can in particular by a Breitnipwalze with a be formed on the broad nip guided flexible roll shell.
  • the device according to the invention is preferred for influencing is determined by gloss and / or smoothness of a material web, it can in correspondingly advantageous manner in press sections in general and in particular be used for dewatering wet or damp webs.
  • the complementary counter unit may consist of a counter-roller or a exist in the required manner guided and supported band.
  • the Device according to the invention at least one Breitnipkalander.
  • Figure 1 shows a schematic representation of a between a Breitnip Anlagen 10 and a counter-roller 12 formed Breitnip 14 of a device 16 for influencing the gloss and / or smoothness of a material web.
  • the material web may be in particular a paper or Act cardboard board.
  • the wide nip unit 10 comprises at least one in the web running direction L. extended broad nip shoe 18 and a guided over the wide-nip shoe 18 circulating flexible band 20.
  • This can be wide nip unit 10 in particular by a Breitnipwalze with a over the broad nip shoe 18 guided flexible roll shell 20 may be formed.
  • the device 16 in question may in particular be a Breitnipkalander act.
  • the wide-nip shoe 18 in the web running direction L sectioned.
  • shoe width B i at least a portion 26 1 of the arranged between the inlet side and the outlet side shoe segment 22 and 24 shoe segments 26 between an operating position and a rest position adjustable.
  • the shoe segments 22 - 26 radially aligned with respect to the counter-roller 12 and at least partly along a counter-roller 12 concentric part-circular Track 28 out.
  • the inlet side and the outlet side shoe segment 22 and 24 is each with a hydrodynamic contact surface 30 or 32 for the circumferential flexible band 20 provided.
  • shoe segments 26 1 are adjustable between a working position and a rest position. Accordingly, it is sufficient if only the inlet-side and the outlet-side shoe segment 22 and 24 is provided with a hydrodynamic casserole or drainage surface 30 and 32 for the circulating flexible band 20.
  • the arranged between the inlet side and the outlet side shoe segment 22 and 24 shoe segments 26 1 are radially adjustable between the working position and the rest position, wherein the respective radial directions are related to the counter-roller 12 again.
  • the radially adjustable between a working position and a rest position shoe segments 26 1 are each arranged between two radially non-adjustable shoe segments 22, 24, 26 2 and in its rest position in each case in a recess 34 at least one of the adjacent radially non-adjustable shoe segments 22, 24th , 26 2 added.
  • At least the inlet-side and the outlet-side shoe segments 22 and 24 are guided via a dovetail guide 36 (cf., in particular, also FIG. 4) along the part-circular path 28 which is concentric with the counter-roller 12.
  • a dovetail guide 36 (cf., in particular, also FIG. 4) along the part-circular path 28 which is concentric with the counter-roller 12.
  • all radially non-adjustable shoe segments 22, 24, 26 2 can also be guided along the part-circular path 28 via such a dovetail guide 36.
  • the middle shoe segments 26 1 can therefore be withdrawn from its working position to a rest position. At the position of the wegholden shoe segments 26 1 then moves either the on or the outlet side shoe segment 22 and 24 after. For this purpose, both are preferably guided in a dovetail guide 36 extending along the part-circular path 28 (cf., in particular, FIG. Optionally, intermediate shoe segments can be moved along the web 28 accordingly.
  • the shoe segments 26 1 which are radially adjustable between a working position and a rest position can if necessary be taken along by the other shoe segments 22, 24, 26 2 in the direction of the part-circular path 28.
  • 50% of the radially adjustable shoe segments 26 1 are lowered into their lower rest position spaced from the counter-roller 12. They are each received in a recess 34 of an adjacent radially non-adjustable shoe segment 22, 24, 26 2 . The remaining shoe segments are brought together so that again results in an at least substantially contiguous running surface 38 for the circulating flexible band 20.
  • the shoe width B 2 is therefore less than the shoe width B 1 in the case shown in FIG. 1 in the present case.
  • all radially adjustable shoe segments 26 1 are lowered into their lower rest position. They are each again received in a recess 34 of an adjacent radially non-adjustable shoe segment 22, 24, 26 2 .
  • the radially non-adjustable shoe segments 22, 24, 26 2 are brought together so that again results in an at least substantially continuous running surface 38 for the circulating flexible band 20.
  • the radially adjustable shoe segments 26 1 can be fixed radially in each case by latching means both in the working position and in the rest position. In the present case, these comprise between the radially non-adjustable shoe segments 22, 24, 26 2 and the radially adjustable shoe segments 26 1 provided latching means on the radially adjustable shoe segments 22, 24, 26 2 and / or the radially adjustable shoe segments 26 1 provided ribs 40, with the radially non-adjustable shoe segments 26 1 or the radially non-adjustable shoe segments 22, 24, 26 1 provided grooves 42 cooperate (see. in particular figures 1 and 2).
  • FIG. 4 shows the wide-nip shoe 18 in a longitudinal section, cut along the line A-A of Figure 1.

Landscapes

  • Paper (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP04102675A 2003-08-07 2004-06-14 Dispositif de traitement d'une bande Expired - Lifetime EP1505203B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10336231 2003-08-07
DE10336231A DE10336231A1 (de) 2003-08-07 2003-08-07 Vorrichtung zur Behandlung einer Materialbahn

Publications (2)

Publication Number Publication Date
EP1505203A1 true EP1505203A1 (fr) 2005-02-09
EP1505203B1 EP1505203B1 (fr) 2008-07-23

Family

ID=33547132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04102675A Expired - Lifetime EP1505203B1 (fr) 2003-08-07 2004-06-14 Dispositif de traitement d'une bande

Country Status (3)

Country Link
EP (1) EP1505203B1 (fr)
AT (1) ATE402287T1 (fr)
DE (2) DE10336231A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709778A (en) * 1996-10-30 1998-01-20 Voith Sulzer Paper Technology North America, Inc. Multiple shoe press for a paper making machine
EP1081276A2 (fr) * 1999-08-31 2001-03-07 Voith Paper Patent GmbH Système de séchage
EP1369526A1 (fr) * 2002-06-07 2003-12-10 Voith Paper Patent GmbH Calandre et procédé de calandrage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503819A1 (de) * 1984-12-21 1986-06-26 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Hydraulischer pressschuh sowie dessen verwendung und betrieb
DE4322876A1 (de) * 1993-07-09 1993-11-18 Voith Gmbh J M Vorrichtung zum Glätten einer Papierbahn oder Kartonbahn
DE19544979B4 (de) * 1995-12-01 2006-08-03 Voith Paper Patent Gmbh Vorrichtung zum Komprimieren, Glätten und/oder Entwässern einer Faserstoffbahn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709778A (en) * 1996-10-30 1998-01-20 Voith Sulzer Paper Technology North America, Inc. Multiple shoe press for a paper making machine
EP1081276A2 (fr) * 1999-08-31 2001-03-07 Voith Paper Patent GmbH Système de séchage
EP1369526A1 (fr) * 2002-06-07 2003-12-10 Voith Paper Patent GmbH Calandre et procédé de calandrage

Also Published As

Publication number Publication date
DE10336231A1 (de) 2005-03-03
ATE402287T1 (de) 2008-08-15
DE502004007651D1 (de) 2008-09-04
EP1505203B1 (fr) 2008-07-23

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