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
SE8400963D0 (sv
SE8400963L (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/fr
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 (fr) 1984-02-22 1985-02-05 Methode et disposit ayant trait a la cuisson continue de la pate papetiere
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 (fr)
CA (1) CA1250480A (fr)
FI (1) FI76847C (fr)
SE (1) SE452343B (fr)

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
US6086713A (en) * 1997-01-31 2000-07-11 Ahlstrom Machinery Oy Method of treating pulp
US6277240B1 (en) * 1998-10-02 2001-08-21 Andritz-Ahlstrom Inc. Method for continuously pulping cellulosic fibrous material
SE515971C2 (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
SE8400963D0 (sv) 1984-02-22
CA1250480A (fr) 1989-02-28
FI850483L (fi) 1985-08-23
FI76847B (fi) 1988-08-31
FI850483A0 (fi) 1985-02-06
SE8400963L (sv) 1985-08-23
FI76847C (fi) 1988-12-12

Similar Documents

Publication Publication Date Title
AU683314B2 (en) Continuous solvent pulping and washing processes and apparatus
FI91895C (fi) Menetelmä selluloosapitoisen kuituaineksen yhtäjaksoisessa hajotuskeitossa
US4028171A (en) Method for continuous treatment of fiber material in a vertical array
SE500455C2 (sv) Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
US5213662A (en) Treatment of chips with high temperature black liquor to reduce black liquor viscosity
US5413677A (en) Method for producing chemical pulp from hardwood chips
CA2037717C (fr) Cuisson prolongee de pate kraft avec ajout d'eau blanche dans le circuit de recirculation
SE452343B (sv) Sett och utrustning vid kontinuerlig cellulosakokning
SE518542C2 (sv) Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare
US3367495A (en) Floatation apparatus and recovery and utilization of wood fines from mill wastes
JP5049980B2 (ja) 連続蒸煮方法及び装置
SE511850C2 (sv) Sätt och anläggning för kontinuerlig kokning av fibermaterial
SE506458C2 (sv) Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
EP0665911A1 (fr) Lessiveur a cuisson continue a contre-courant total
SE515970C2 (sv) Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör
US4193839A (en) Flow control method and apparatus for continuous wood chip digester screenless liquor extractor
CA2567046C (fr) Tamis central
SE501369C2 (sv) Omhändertagande av kvist vid kontinuerlig kokning
SE515971C2 (sv) Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
US5766413A (en) Process for isothermal cooking pulp in a continuous digester
SE502510C2 (sv) Svartlutsimpregnering i enkärlshydraulkokare
US4061193A (en) Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top
CA1044060A (fr) Digesteur sans tamis
US20170022664A1 (en) Method of digesting cellulose fibrous material in a continuous digester
SE519342C2 (sv) Förfarande och anordning för att avskilja såpa från tvättfiltrat

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8400963-8

Effective date: 19930912

Format of ref document f/p: F