EP1659211A3 - Blattbildungssystem einer Maschine zur Herstellung einer Faserstoffbahn - Google Patents

Blattbildungssystem einer Maschine zur Herstellung einer Faserstoffbahn Download PDF

Info

Publication number
EP1659211A3
EP1659211A3 EP05110889A EP05110889A EP1659211A3 EP 1659211 A3 EP1659211 A3 EP 1659211A3 EP 05110889 A EP05110889 A EP 05110889A EP 05110889 A EP05110889 A EP 05110889A EP 1659211 A3 EP1659211 A3 EP 1659211A3
Authority
EP
European Patent Office
Prior art keywords
nozzle
machine
fibrous web
manufacturing
length
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
EP05110889A
Other languages
English (en)
French (fr)
Other versions
EP1659211A2 (de
EP1659211B1 (de
Inventor
Wolfgang Ruf
Hans Loser
Volker Schmidt-Rohr
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 EP1659211A2 publication Critical patent/EP1659211A2/de
Publication of EP1659211A3 publication Critical patent/EP1659211A3/de
Application granted granted Critical
Publication of EP1659211B1 publication Critical patent/EP1659211B1/de
Not-in-force 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
    • 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

Landscapes

  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

Die Erfindung betrifft ein Blattbildungssystem (1) einer Maschine zur Herstellung einer Faserstoffbahn aus mindestens einer Faserstoffsuspension (F), mit einem Stoffauflauf (2), der einen Turbulenzerzeuger (3) und eine dem Turbulenzerzeuger (3) in Strömungsrichtung (T) der mindestens einen Faserstoffsuspension (F) nachgeordnete Stoffauflaufdüse (4) aufweist, und mit einer Siebeinheit (5) mit zwei umlaufenden endlosen Sieben (6,7), wobei in der Stoffauflaufdüse (4) mehrere Lamellen (18) angeordnet sind, deren jeweiliges Verhältnis LL/LD größer/gleich 0,5, vorzugsweise größer/gleich 0,8 ist, wobei (LL) die jeweilige Lamellenlänge und (LD) die Düsenlänge ist, dass die Stoffauflaufdüse (4) eine Endkonvergenz (E) im Verhältnis r/s größer/gleich 1, vorzugsweise größer/gleich 2 aufweist, wobei (r) die gesamte Eintauchtiefe der mindestens einen Blende (19) und (s) die Spaltöffnung ist, und dass der Faserstoffsuspensionsstrahl (16) eine Freistrahllänge (LF) kleiner/gleich 300 mm, vorzugsweise größer/gleich 50 mm und kleiner/gleich 200 mm, aufweist
EP05110889A 2004-11-23 2005-11-17 Blattbildungssystem einer Maschine zur Herstellung einer Faserstoffbahn Not-in-force EP1659211B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004000054A DE102004000054A1 (de) 2004-11-23 2004-11-23 Blattbildungssystem einer Maschine zur Herstellung einer Faserstoffbahn

Publications (3)

Publication Number Publication Date
EP1659211A2 EP1659211A2 (de) 2006-05-24
EP1659211A3 true EP1659211A3 (de) 2006-05-31
EP1659211B1 EP1659211B1 (de) 2007-10-03

Family

ID=36061348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05110889A Not-in-force EP1659211B1 (de) 2004-11-23 2005-11-17 Blattbildungssystem einer Maschine zur Herstellung einer Faserstoffbahn

Country Status (3)

Country Link
EP (1) EP1659211B1 (de)
AT (1) ATE374858T1 (de)
DE (2) DE102004000054A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005037644A1 (de) * 2005-08-05 2007-02-08 Voith Patent Gmbh Doppelsiebformer einer Maschine zur Herstellung einer Faserstoffbahn

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005420A1 (de) * 1990-02-21 1991-08-29 Voith Gmbh J M Doppelsiebformer
US5201999A (en) * 1991-06-10 1993-04-13 Beloit Technologies, Inc. Twin wire forming apparatus
EP0603142A1 (de) * 1992-12-08 1994-06-22 Valmet Paper Machinery Inc. Verfahren und Vorrichtung in Beziehung zum Einlaufspalt im Formierteil einer Papiermaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005420A1 (de) * 1990-02-21 1991-08-29 Voith Gmbh J M Doppelsiebformer
US5201999A (en) * 1991-06-10 1993-04-13 Beloit Technologies, Inc. Twin wire forming apparatus
EP0603142A1 (de) * 1992-12-08 1994-06-22 Valmet Paper Machinery Inc. Verfahren und Vorrichtung in Beziehung zum Einlaufspalt im Formierteil einer Papiermaschine

Also Published As

Publication number Publication date
DE102004000054A1 (de) 2006-05-24
ATE374858T1 (de) 2007-10-15
EP1659211A2 (de) 2006-05-24
DE502005001614D1 (de) 2007-11-15
EP1659211B1 (de) 2007-10-03

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