SE461990B - Metod och apparat foer tvaettning av pappersmassa - Google Patents

Metod och apparat foer tvaettning av pappersmassa

Info

Publication number
SE461990B
SE461990B SE8306511A SE8306511A SE461990B SE 461990 B SE461990 B SE 461990B SE 8306511 A SE8306511 A SE 8306511A SE 8306511 A SE8306511 A SE 8306511A SE 461990 B SE461990 B SE 461990B
Authority
SE
Sweden
Prior art keywords
liquid
mat
washing liquid
washing
screen
Prior art date
Application number
SE8306511A
Other languages
English (en)
Swedish (sv)
Other versions
SE8306511L (sv
SE8306511D0 (sv
Inventor
E P Klein
Original Assignee
Westvaco Corp
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 Westvaco Corp filed Critical Westvaco Corp
Publication of SE8306511D0 publication Critical patent/SE8306511D0/xx
Publication of SE8306511L publication Critical patent/SE8306511L/
Publication of SE461990B publication Critical patent/SE461990B/sv

Links

Classifications

    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
SE8306511A 1982-12-08 1983-11-25 Metod och apparat foer tvaettning av pappersmassa SE461990B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/447,960 US4491501A (en) 1982-12-08 1982-12-08 Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to disrupt and rearrange the interstitial pore matrix

Publications (3)

Publication Number Publication Date
SE8306511D0 SE8306511D0 (sv) 1983-11-25
SE8306511L SE8306511L (sv) 1984-06-09
SE461990B true SE461990B (sv) 1990-04-23

Family

ID=23778448

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8306511A SE461990B (sv) 1982-12-08 1983-11-25 Metod och apparat foer tvaettning av pappersmassa

Country Status (4)

Country Link
US (1) US4491501A (fi)
CA (1) CA1225267A (fi)
FI (1) FI75005C (fi)
SE (1) SE461990B (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670099A (en) * 1983-02-04 1987-06-02 Lavalley Industrial Plastics, Inc. Method and apparatus for washing a mat of pulp stock on a drum filter
US4680088A (en) * 1985-02-21 1987-07-14 Michael Scheck Process for removing ink particles from paper products
US4719772A (en) * 1985-02-21 1988-01-19 Michael Scheck Apparatus for removing ink particles from paper products
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
EP0298499B1 (en) * 1987-07-08 1994-03-16 A. Ahlstrom Corporation Method and apparatus for thickening fiber suspension
US4986881A (en) * 1989-06-28 1991-01-22 Kamyr, Inc. Method and apparatus for liquid treatment of and liquid extraction on a paper pulp
US5266168A (en) * 1991-12-20 1993-11-30 The Black Clawson Company Gravity type pulp washer or thickener with rotating disrupters
US5965017A (en) * 1997-07-15 1999-10-12 Paper Inc. Sealed shower system for rotary vacuum filter
FI118277B (fi) 2002-03-25 2007-09-14 Environics Oy Kennorakenne, laite ja menetelmä
US20040060674A1 (en) * 2002-10-01 2004-04-01 George Seymour Method for measuring the percent consistency of pulp leaving a blow tank
DE102004033328A1 (de) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter mit Feststoff-Resuspendierung
SE528722C2 (sv) * 2005-06-03 2007-01-30 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättapparat anordnad med en förstärkande spant
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032100A (en) * 1958-12-31 1962-05-01 Schibbye Lauritz Benedictus Device for even spreading of water onto a running web, particularly a cellulosic pulp web
GB1010296A (en) * 1961-08-25 1965-11-17 Eimco Corp Improvements in or relating to aqueous caustic soda production
US3363774A (en) * 1965-04-12 1968-01-16 Improved Machinery Inc Rotary drum filter
US3409139A (en) * 1965-09-03 1968-11-05 Dorr Oliver Inc Rotary-vacuum filter drum and suction box arrangement
US3403786A (en) * 1966-08-25 1968-10-01 Improved Machinery Inc Rotary drum filter
US3487941A (en) * 1967-05-10 1970-01-06 Pertti Olavi Haapamaki Pressure washer
SE406944B (sv) * 1976-04-14 1979-03-05 Mo Och Domsjoe Ab Forfarande for att reglera tillsatsen av suspensinsvetska vid kontinuerlig tvettning av suspensioner
US4297164A (en) * 1980-03-10 1981-10-27 Weyerhaeuser Company Process for displacement washing of porous media

Also Published As

Publication number Publication date
FI75005B (fi) 1987-12-31
FI834460A (fi) 1984-06-09
CA1225267A (en) 1987-08-11
SE8306511L (sv) 1984-06-09
SE8306511D0 (sv) 1983-11-25
FI834460A0 (fi) 1983-12-05
US4491501A (en) 1985-01-01
FI75005C (fi) 1988-04-11

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