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FI874887A0 - Foerfarande och anordning foer behandling av fibersuspension. - Google Patents

Foerfarande och anordning foer behandling av fibersuspension.

Info

Publication number
FI874887A0
FI874887A0 FI874887A FI874887A FI874887A0 FI 874887 A0 FI874887 A0 FI 874887A0 FI 874887 A FI874887 A FI 874887A FI 874887 A FI874887 A FI 874887A FI 874887 A0 FI874887 A0 FI 874887A0
Authority
FI
Finland
Prior art keywords
pulp
filter surface
accordance
liquid
present
Prior art date
Application number
FI874887A
Other languages
English (en)
Other versions
FI81725B (fi
FI81725C (fi
FI874887A7 (fi
Inventor
Raimo Kohonen
Pasi Immonen
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
Publication of FI874887A0 publication Critical patent/FI874887A0/fi
Priority to FI874887A priority Critical patent/FI81725C/fi
Priority to DE8888310201T priority patent/DE3869061D1/de
Priority to EP88310201A priority patent/EP0315388B1/en
Priority to AT88310201T priority patent/ATE73509T1/de
Priority to NO88884949A priority patent/NO884949L/no
Publication of FI874887A7 publication Critical patent/FI874887A7/fi
Priority to US07/544,032 priority patent/US5073264A/en
Publication of FI81725B publication Critical patent/FI81725B/fi
Application granted granted Critical
Publication of FI81725C publication Critical patent/FI81725C/fi
Priority to US07/760,166 priority patent/US5192454A/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
    • D21D5/04—Flat screens
    • D21D5/046—Rotary screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FI874887A 1987-11-05 1987-11-05 Foerfarande och anordning foer behandling av fibersuspension. FI81725C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI874887A FI81725C (fi) 1987-11-05 1987-11-05 Foerfarande och anordning foer behandling av fibersuspension.
DE8888310201T DE3869061D1 (de) 1987-11-05 1988-10-31 Verfahren und vorrichtung zur behandlung einer fasersuspension.
EP88310201A EP0315388B1 (en) 1987-11-05 1988-10-31 Method and apparatus for treating fiber suspension
AT88310201T ATE73509T1 (de) 1987-11-05 1988-10-31 Verfahren und vorrichtung zur behandlung einer fasersuspension.
NO88884949A NO884949L (no) 1987-11-05 1988-11-04 Fremgangsmaate og innretning for behandling av en fiberloesning.
US07/544,032 US5073264A (en) 1987-11-05 1990-06-26 Apparatus for treating fiber suspension
US07/760,166 US5192454A (en) 1987-11-05 1991-09-16 Method for treating fiber suspension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI874887A FI81725C (fi) 1987-11-05 1987-11-05 Foerfarande och anordning foer behandling av fibersuspension.
FI874887 1987-11-05

Publications (4)

Publication Number Publication Date
FI874887A0 true FI874887A0 (fi) 1987-11-05
FI874887A7 FI874887A7 (fi) 1989-05-06
FI81725B FI81725B (fi) 1990-08-31
FI81725C FI81725C (fi) 1990-12-10

Family

ID=8525361

Family Applications (1)

Application Number Title Priority Date Filing Date
FI874887A FI81725C (fi) 1987-11-05 1987-11-05 Foerfarande och anordning foer behandling av fibersuspension.

Country Status (6)

Country Link
US (1) US5073264A (fi)
EP (1) EP0315388B1 (fi)
AT (1) ATE73509T1 (fi)
DE (1) DE3869061D1 (fi)
FI (1) FI81725C (fi)
NO (1) NO884949L (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192454A (en) * 1987-11-05 1993-03-09 A. Ahlstrom Corporation Method for treating fiber suspension
SE463242B (sv) * 1989-03-13 1990-10-29 Hedemora Ab Filter foer kontinuerlig filtrering av suspension
US5934476A (en) * 1996-08-21 1999-08-10 Roe; Philippe Vacuum rotary filtration apparatus
FI106386B (fi) * 1999-05-03 2001-01-31 Valmet Corp Menetelmä ja laitteisto kuitujen talteenottamiseksi paperitehtaan kiertovedestä
DE102004033328A1 (de) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter mit Feststoff-Resuspendierung
FI122775B (fi) 2004-09-07 2012-06-29 Andritz Oy Laite ja menetelmä massan käsittelemiseksi
SE528722C2 (sv) * 2005-06-03 2007-01-30 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättapparat anordnad med en förstärkande spant
AT505247B1 (de) * 2007-05-30 2009-01-15 Andritz Ag Maschf Vakuumunterstütztes entwässerungsverfahren und rotierender filter zur durchführung des entwässerungsverfahrens

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1649581A (en) * 1921-04-29 1927-11-15 United Filters Corp Method and means for removing filter cakes from filter mediums
US2115211A (en) * 1934-08-09 1938-04-26 Texas Co Continuous filtration of wax bearing oil
FR796609A (fr) * 1935-01-07 1936-04-11 Alsacienne Constr Meca Perfectionnement aux filtres
US2055119A (en) * 1935-02-16 1936-09-22 Karl R Clendening Starch mill reel
US2027652A (en) * 1935-04-25 1936-01-14 Municipal Sanitary Service Cor Filter
US2500056A (en) * 1945-12-20 1950-03-07 Standard Oil Dev Co Method and apparatus for solventcleaning finely divided solids
US3152986A (en) * 1960-08-03 1964-10-13 Phillips Petroleum Co Filtering process and apparatus
US3504802A (en) * 1967-05-08 1970-04-07 Improved Machinery Inc Rotary drum filter
BR5900592U (pt) * 1979-04-30 1980-11-04 Voith Sa Maquinas Equip Filtro de tambor celular para desaguar suspensoes
DE3020119A1 (de) * 1980-05-27 1981-12-10 Envirotech Corp., Menlo Park, Calif. Verfahren und vorrichtung zum waschen von vakuumfiltrierbaren materialien, insbesondere papierfaserpulpe
US4330405A (en) * 1980-09-29 1982-05-18 Davis Kent L Vacuum disc filter
FI68005C (fi) * 1980-09-30 1985-07-10 Rauma Repola Oy Foerfarande foer tjockning av massa eller suspension och skivfilter foer tillaempning av foerfarandet
SE441758B (sv) * 1984-04-03 1985-11-04 Sunds Defibrator Sett och anordning for kontinuerlig behandling av materialsuspensioner
FR2564003B1 (fr) * 1984-05-14 1989-06-23 Pechiney Aluminium Dispositif d'alimentation par ruissellement de filtres rotatifs a disques
SE451948B (sv) * 1985-05-02 1987-11-09 Hedemora Ab Filter for kontinuerlig filtrering under tryck av en suspension
JPH01222515A (ja) * 1988-03-02 1989-09-05 Matsushita Electron Corp 半導体集積回路装置

Also Published As

Publication number Publication date
US5073264A (en) 1991-12-17
FI81725B (fi) 1990-08-31
FI81725C (fi) 1990-12-10
EP0315388A2 (en) 1989-05-10
NO884949L (no) 1989-05-08
EP0315388A3 (en) 1989-05-31
EP0315388B1 (en) 1992-03-11
DE3869061D1 (de) 1992-04-16
ATE73509T1 (de) 1992-03-15
FI874887A7 (fi) 1989-05-06
NO884949D0 (no) 1988-11-04

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: AHLSTROM MACHINERY OY

MA Patent expired