ATE260357T1 - METHOD AND DEVICE FOR PRETREATING PAPER FIBER - Google Patents

METHOD AND DEVICE FOR PRETREATING PAPER FIBER

Info

Publication number
ATE260357T1
ATE260357T1 AT99939465T AT99939465T ATE260357T1 AT E260357 T1 ATE260357 T1 AT E260357T1 AT 99939465 T AT99939465 T AT 99939465T AT 99939465 T AT99939465 T AT 99939465T AT E260357 T1 ATE260357 T1 AT E260357T1
Authority
AT
Austria
Prior art keywords
paper fiber
pretreating
pretreating paper
paper
pump
Prior art date
Application number
AT99939465T
Other languages
German (de)
Inventor
Jouni Matula
Original Assignee
Andritz Oy
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 Andritz Oy filed Critical Andritz Oy
Application granted granted Critical
Publication of ATE260357T1 publication Critical patent/ATE260357T1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/26—De-aeration of paper stock
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The present invention relates to a method and apparatus for pretreating paper pulp. The method and apparatus according to the invention are especially preferably applicable to be used in the paper machine approach system of paper machines producing filler-containing grades. A characterizing feature of the method and apparatus according to the invention is that a propeller pump is used as the gas separation tank (16) feed pump (120).
AT99939465T 1998-08-21 1999-08-18 METHOD AND DEVICE FOR PRETREATING PAPER FIBER ATE260357T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981798A FI105489B (en) 1998-08-21 1998-08-21 Method and apparatus for pretreating paper pulp
PCT/FI1999/000684 WO2000011265A1 (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp

Publications (1)

Publication Number Publication Date
ATE260357T1 true ATE260357T1 (en) 2004-03-15

Family

ID=8552339

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99939465T ATE260357T1 (en) 1998-08-21 1999-08-18 METHOD AND DEVICE FOR PRETREATING PAPER FIBER

Country Status (12)

Country Link
EP (1) EP1121483B1 (en)
JP (1) JP2002523642A (en)
KR (1) KR20010072847A (en)
CN (1) CN1134567C (en)
AT (1) ATE260357T1 (en)
AU (1) AU5374999A (en)
BR (1) BR9913176B1 (en)
CA (1) CA2340438C (en)
DE (1) DE69915089T2 (en)
ES (1) ES2214877T3 (en)
FI (1) FI105489B (en)
WO (1) WO2000011265A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122916B (en) * 2007-04-03 2012-08-31 Andritz Oy Device for degassing in connection with a paper machine or the like
DE102009006715A1 (en) * 2009-01-29 2010-08-05 Voith Patent Gmbh broke preparation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219340A (en) * 1978-12-14 1980-08-26 Clark & Vicario Corporation Method and apparatus for outflowing liquids from chamber maintained under vacuum
FI89728C (en) * 1992-05-19 1993-11-10 Pom Dev Oy Ab PROCEDURE FOR THE CIRCULATION OF PROCESS VATTNET I EN PAPER MACHINERY
FI97332B (en) * 1993-12-23 1996-08-30 Pom Technology Oy Ab Apparatus and method for pumping and separating a mixture of gas and liquid

Also Published As

Publication number Publication date
FI105489B (en) 2000-08-31
FI981798A (en) 2000-02-22
CN1134567C (en) 2004-01-14
BR9913176A (en) 2001-05-15
ES2214877T3 (en) 2004-09-16
CA2340438A1 (en) 2000-03-02
AU5374999A (en) 2000-03-14
EP1121483B1 (en) 2004-02-25
WO2000011265A1 (en) 2000-03-02
DE69915089T2 (en) 2004-09-09
EP1121483A1 (en) 2001-08-08
BR9913176B1 (en) 2009-05-05
CN1313917A (en) 2001-09-19
FI981798A0 (en) 1998-08-21
CA2340438C (en) 2008-01-15
KR20010072847A (en) 2001-07-31
DE69915089D1 (en) 2004-04-01
JP2002523642A (en) 2002-07-30

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