SE452343B - Sett och utrustning vid kontinuerlig cellulosakokning - Google Patents

Sett och utrustning vid kontinuerlig cellulosakokning

Info

Publication number
SE452343B
SE452343B SE8400963A SE8400963A SE452343B SE 452343 B SE452343 B SE 452343B SE 8400963 A SE8400963 A SE 8400963A SE 8400963 A SE8400963 A SE 8400963A SE 452343 B SE452343 B SE 452343B
Authority
SE
Sweden
Prior art keywords
zone
washing
interruption
washing liquid
mass
Prior art date
Application number
SE8400963A
Other languages
English (en)
Swedish (sv)
Other versions
SE8400963L (sv
SE8400963D0 (sv
Inventor
L G Lind
Original Assignee
Billeruds Ab
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 Billeruds Ab filed Critical Billeruds Ab
Priority to SE8400963A priority Critical patent/SE452343B/sv
Publication of SE8400963D0 publication Critical patent/SE8400963D0/xx
Priority to CA000473549A priority patent/CA1250480A/en
Priority to FI850483A priority patent/FI76847C/fi
Publication of SE8400963L publication Critical patent/SE8400963L/
Priority to US07/081,521 priority patent/US4780181A/en
Publication of SE452343B publication Critical patent/SE452343B/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
    • D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening
    • 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE8400963A 1984-02-22 1984-02-22 Sett och utrustning vid kontinuerlig cellulosakokning SE452343B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8400963A SE452343B (sv) 1984-02-22 1984-02-22 Sett och utrustning vid kontinuerlig cellulosakokning
CA000473549A CA1250480A (en) 1984-02-22 1985-02-05 Method and device in connection with continuous pulp cooking
FI850483A FI76847C (fi) 1984-02-22 1985-02-06 Saett och utrustning vid kontinuerlig cellulosakokning.
US07/081,521 US4780181A (en) 1984-02-22 1987-08-03 Method of washing delignified pulp in a continuous pulp cooking pressure vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8400963A SE452343B (sv) 1984-02-22 1984-02-22 Sett och utrustning vid kontinuerlig cellulosakokning

Publications (3)

Publication Number Publication Date
SE8400963D0 SE8400963D0 (sv) 1984-02-22
SE8400963L SE8400963L (sv) 1985-08-23
SE452343B true SE452343B (sv) 1987-11-23

Family

ID=20354850

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8400963A SE452343B (sv) 1984-02-22 1984-02-22 Sett och utrustning vid kontinuerlig cellulosakokning

Country Status (4)

Country Link
US (1) US4780181A (fi)
CA (1) CA1250480A (fi)
FI (1) FI76847C (fi)
SE (1) SE452343B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
US5069752A (en) * 1990-04-30 1991-12-03 Kamyr Ab Digester screen switching
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
EP0956388A1 (en) * 1997-01-31 1999-11-17 Ahlstrom Machinery Oy Feeding of washing liquid in a pulp washer
US6277240B1 (en) * 1998-10-02 2001-08-21 Andritz-Ahlstrom Inc. Method for continuously pulping cellulosic fibrous material
SE0004050L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
SE526432C2 (sv) * 2002-07-03 2005-09-13 Kvaerner Pulping Tech Metod och kokare för kontinuerlig kokning av vedråvara till cellulosamassa
FI120505B (fi) * 2002-07-12 2009-11-13 Stora Enso Oyj Jatkuvatoiminen menetelmä selluloosapohjaisen massan keittämiseksi sekä menetelmään soveltuva massankeitin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
US3445328A (en) * 1964-01-25 1969-05-20 Kamyr Ab Method for continuous cellulose digestion utilizing two temperature zones
US4276167A (en) * 1979-04-25 1981-06-30 Kamyr Aktiebolag Diffuser arrangements

Also Published As

Publication number Publication date
US4780181A (en) 1988-10-25
FI850483L (fi) 1985-08-23
FI850483A0 (fi) 1985-02-06
SE8400963L (sv) 1985-08-23
FI76847C (fi) 1988-12-12
FI76847B (fi) 1988-08-31
CA1250480A (en) 1989-02-28
SE8400963D0 (sv) 1984-02-22

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