FI890988A - Method and apparatus for precipitating a fiber suspension - Google Patents

Method and apparatus for precipitating a fiber suspension Download PDF

Info

Publication number
FI890988A
FI890988A FI890988A FI890988A FI890988A FI 890988 A FI890988 A FI 890988A FI 890988 A FI890988 A FI 890988A FI 890988 A FI890988 A FI 890988A FI 890988 A FI890988 A FI 890988A
Authority
FI
Finland
Prior art keywords
precipitating
fiber suspension
suspension
fiber
Prior art date
Application number
FI890988A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI890988A0 (en
FI91171C (en
FI91171B (en
Inventor
Kaj Henricson
Mika Maekelae
Olavi Pikka
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI890988A priority Critical patent/FI91171C/en
Publication of FI890988A0 publication Critical patent/FI890988A0/en
Priority to EP90903595A priority patent/EP0461138A1/en
Priority to JP2503611A priority patent/JPH03505759A/en
Priority to CA002047749A priority patent/CA2047749A1/en
Priority to PCT/FI1990/000056 priority patent/WO1990010110A1/en
Priority to KR1019900702372A priority patent/KR920700330A/en
Publication of FI890988A publication Critical patent/FI890988A/en
Application granted granted Critical
Publication of FI91171B publication Critical patent/FI91171B/en
Publication of FI91171C publication Critical patent/FI91171C/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
    • D21D5/02—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
FI890988A 1989-03-02 1989-03-02 Method and apparatus for precipitating fiber suspension FI91171C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI890988A FI91171C (en) 1989-03-02 1989-03-02 Method and apparatus for precipitating fiber suspension
EP90903595A EP0461138A1 (en) 1989-03-02 1990-02-28 Method and apparatus for thickening fiber suspension
JP2503611A JPH03505759A (en) 1989-03-02 1990-02-28 Method and apparatus for concentrating fiber suspension
CA002047749A CA2047749A1 (en) 1989-03-02 1990-02-28 Method and apparatus for thickening fiber suspension
PCT/FI1990/000056 WO1990010110A1 (en) 1989-03-02 1990-02-28 Method and apparatus for thickening fiber suspension
KR1019900702372A KR920700330A (en) 1989-03-02 1990-02-28 Method and apparatus for concentrating fiber suspensions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI890988A FI91171C (en) 1989-03-02 1989-03-02 Method and apparatus for precipitating fiber suspension
FI890988 1989-03-02

Publications (4)

Publication Number Publication Date
FI890988A0 FI890988A0 (en) 1989-03-02
FI890988A true FI890988A (en) 1990-09-03
FI91171B FI91171B (en) 1994-02-15
FI91171C FI91171C (en) 1994-05-25

Family

ID=8527986

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890988A FI91171C (en) 1989-03-02 1989-03-02 Method and apparatus for precipitating fiber suspension

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2515808Y2 (en) * 1990-10-01 1996-10-30 相川鉄工株式会社 Paper strainer
US5624558A (en) * 1994-08-04 1997-04-29 Cae Screenplates Inc. Method and apparatus for screening a fiber suspension
DE60142748D1 (en) 2000-10-24 2010-09-16 Advanced Fiber Tech Aft Trust SCREEN CYLINDER WITH INCREASING 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 (en) * 2018-07-09 2022-05-25 株式会社大善 Moisture-containing pulp-based raw material processing machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67588C (en) * 1983-01-26 1985-04-10 Ahlstroem Oy SILPLAOT
FI882569A (en) * 1987-06-11 1988-12-12 Ahlstroem Oy SIL.
BR8807586A (en) * 1987-06-26 1990-04-17 Ahlstroem Oy APPARATUS FOR SIEVING PULP AND PROCESS FOR SIEVING A SUSPENSION OF PULP
DE3888409T2 (en) * 1987-07-08 1994-07-21 Ahlstroem Oy Method and device for thickening a fiber suspension.

Also Published As

Publication number Publication date
WO1990010110A1 (en) 1990-09-07
FI890988A0 (en) 1989-03-02
KR920700330A (en) 1992-02-19
FI91171C (en) 1994-05-25
JPH03505759A (en) 1991-12-12
EP0461138A1 (en) 1991-12-18
FI91171B (en) 1994-02-15
CA2047749A1 (en) 1990-09-03

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: AHLSTROM MACHINERY OY