CA2340438C - Method and apparatus for pretreating paper pulp - Google Patents

Method and apparatus for pretreating paper pulp Download PDF

Info

Publication number
CA2340438C
CA2340438C CA002340438A CA2340438A CA2340438C CA 2340438 C CA2340438 C CA 2340438C CA 002340438 A CA002340438 A CA 002340438A CA 2340438 A CA2340438 A CA 2340438A CA 2340438 C CA2340438 C CA 2340438C
Authority
CA
Canada
Prior art keywords
gas separation
separation tank
paper pulp
white water
pulp
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.)
Expired - Fee Related
Application number
CA002340438A
Other languages
English (en)
French (fr)
Other versions
CA2340438A1 (en
Inventor
Jouni Matula
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.)
Andritz Oy
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
Publication of CA2340438A1 publication Critical patent/CA2340438A1/en
Application granted granted Critical
Publication of CA2340438C publication Critical patent/CA2340438C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA002340438A 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp Expired - Fee Related CA2340438C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI981798 1998-08-21
FI981798A FI105489B (fi) 1998-08-21 1998-08-21 Menetelmä ja laitteisto paperimassan esikäsittelemiseksi
PCT/FI1999/000684 WO2000011265A1 (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp

Publications (2)

Publication Number Publication Date
CA2340438A1 CA2340438A1 (en) 2000-03-02
CA2340438C true CA2340438C (en) 2008-01-15

Family

ID=8552339

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002340438A Expired - Fee Related CA2340438C (en) 1998-08-21 1999-08-18 Method and apparatus for pretreating paper pulp

Country Status (12)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122916B (fi) 2007-04-03 2012-08-31 Andritz Oy Laitteisto kaasun poistamiseksi paperikoneen tai vastaavan yhteydessä
DE102009006715A1 (de) * 2009-01-29 2010-08-05 Voith Patent Gmbh Ausschussaufbereitung

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 (fi) * 1992-05-19 1993-11-10 Pom Dev Oy Ab Foerfarande och anlaeggning foer cirkulation av processvattnet i en pappersmaskin
FI97332B (fi) * 1993-12-23 1996-08-30 Pom Technology Oy Ab Laite ja menetelmä kaasun ja nesteen muodostaman seoksen pumppaamiseksi ja erottamiseksi

Also Published As

Publication number Publication date
BR9913176B1 (pt) 2009-05-05
EP1121483B1 (en) 2004-02-25
ATE260357T1 (de) 2004-03-15
KR20010072847A (ko) 2001-07-31
DE69915089T2 (de) 2004-09-09
CN1313917A (zh) 2001-09-19
CA2340438A1 (en) 2000-03-02
ES2214877T3 (es) 2004-09-16
CN1134567C (zh) 2004-01-14
FI981798A0 (fi) 1998-08-21
JP2002523642A (ja) 2002-07-30
WO2000011265A1 (en) 2000-03-02
DE69915089D1 (de) 2004-04-01
BR9913176A (pt) 2001-05-15
AU5374999A (en) 2000-03-14
EP1121483A1 (en) 2001-08-08
FI105489B (fi) 2000-08-31
FI981798A (fi) 2000-02-22

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180820