CA2047749A1 - Method and apparatus for thickening fiber suspension - Google Patents

Method and apparatus for thickening fiber suspension

Info

Publication number
CA2047749A1
CA2047749A1 CA002047749A CA2047749A CA2047749A1 CA 2047749 A1 CA2047749 A1 CA 2047749A1 CA 002047749 A CA002047749 A CA 002047749A CA 2047749 A CA2047749 A CA 2047749A CA 2047749 A1 CA2047749 A1 CA 2047749A1
Authority
CA
Canada
Prior art keywords
thickening
filter surface
accordance
filter
fiber
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.)
Abandoned
Application number
CA002047749A
Other languages
English (en)
French (fr)
Inventor
Kaj Henricson
Mika Makela
Olavi Pikka
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.)
Ahlstrom Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2047749A1 publication Critical patent/CA2047749A1/en
Abandoned 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
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Filtering Materials (AREA)
CA002047749A 1989-03-02 1990-02-28 Method and apparatus for thickening fiber suspension Abandoned CA2047749A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI890988 1989-03-02
FI890988A FI91171C (fi) 1989-03-02 1989-03-02 Menetelmä ja laite kuitususpension saostamiseksi

Publications (1)

Publication Number Publication Date
CA2047749A1 true CA2047749A1 (en) 1990-09-03

Family

ID=8527986

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002047749A Abandoned CA2047749A1 (en) 1989-03-02 1990-02-28 Method and apparatus for thickening fiber suspension

Country Status (6)

Country Link
EP (1) EP0461138A1 (ja)
JP (1) JPH03505759A (ja)
KR (1) KR920700330A (ja)
CA (1) CA2047749A1 (ja)
FI (1) FI91171C (ja)
WO (1) WO1990010110A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2515808Y2 (ja) * 1990-10-01 1996-10-30 相川鉄工株式会社 製紙用ストレーナ
US5624558A (en) * 1994-08-04 1997-04-29 Cae Screenplates Inc. Method and apparatus for screening a fiber suspension
EP1341592B1 (en) * 2000-10-24 2010-08-04 Advanced Fiber Technologies (AFT) Trust Screen cylinder with performance boosting configuration
US7168570B2 (en) 2001-10-24 2007-01-30 Advanced Fiber Technologies Screen cylinder with performance boosting configuration
US7987991B2 (en) * 2006-08-30 2011-08-02 Voith Patent Gmbh Pulper with screen plate having maximum defibering edges
JP7075118B2 (ja) * 2018-07-09 2022-05-25 株式会社大善 含水パルプ系原料処理機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009843A1 (en) * 1987-06-11 1988-12-15 A. Ahlstrom Corporation Pulp screening apparatus
FI67588C (fi) * 1983-01-26 1985-04-10 Ahlstroem Oy Silplaot
WO1988010335A1 (en) * 1987-06-26 1988-12-29 A. Ahlstrom Corporation An apparatus for screening pulp and a method of screening a pulp suspension
JPH089838B2 (ja) * 1987-07-08 1996-01-31 エイ．アフルストロム コ−ポレ−ション 繊維懸濁液を濃化する方法と装置

Also Published As

Publication number Publication date
KR920700330A (ko) 1992-02-19
FI890988A0 (fi) 1989-03-02
JPH03505759A (ja) 1991-12-12
EP0461138A1 (en) 1991-12-18
FI91171B (fi) 1994-02-15
WO1990010110A1 (en) 1990-09-07
FI91171C (fi) 1994-05-25
FI890988A (fi) 1990-09-03

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead