DE69915089D1 - METHOD AND DEVICE FOR PRE-TREATING PAPER FIBER FIBER - Google Patents

METHOD AND DEVICE FOR PRE-TREATING PAPER FIBER FIBER

Info

Publication number
DE69915089D1
DE69915089D1 DE69915089T DE69915089T DE69915089D1 DE 69915089 D1 DE69915089 D1 DE 69915089D1 DE 69915089 T DE69915089 T DE 69915089T DE 69915089 T DE69915089 T DE 69915089T DE 69915089 D1 DE69915089 D1 DE 69915089D1
Authority
DE
Germany
Prior art keywords
fiber
treating paper
paper
paper fiber
pump
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 - Lifetime
Application number
DE69915089T
Other languages
German (de)
Other versions
DE69915089T2 (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 DE69915089D1 publication Critical patent/DE69915089D1/en
Application granted granted Critical
Publication of DE69915089T2 publication Critical patent/DE69915089T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)

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).
DE69915089T 1998-08-21 1999-08-18 METHOD AND DEVICE FOR PRE-TREATING PAPER FIBER FIBER Expired - Lifetime DE69915089T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI981798 1998-08-21
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 (2)

Publication Number Publication Date
DE69915089D1 true DE69915089D1 (en) 2004-04-01
DE69915089T2 DE69915089T2 (en) 2004-09-09

Family

ID=8552339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69915089T Expired - Lifetime DE69915089T2 (en) 1998-08-21 1999-08-18 METHOD AND DEVICE FOR PRE-TREATING PAPER FIBER 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
EP1121483A1 (en) 2001-08-08
WO2000011265A1 (en) 2000-03-02
KR20010072847A (en) 2001-07-31
FI105489B (en) 2000-08-31
CA2340438A1 (en) 2000-03-02
EP1121483B1 (en) 2004-02-25
FI981798A (en) 2000-02-22
BR9913176B1 (en) 2009-05-05
CA2340438C (en) 2008-01-15
DE69915089T2 (en) 2004-09-09
CN1313917A (en) 2001-09-19
CN1134567C (en) 2004-01-14
FI981798A0 (en) 1998-08-21
ATE260357T1 (en) 2004-03-15
AU5374999A (en) 2000-03-14
ES2214877T3 (en) 2004-09-16
JP2002523642A (en) 2002-07-30
BR9913176A (en) 2001-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition