FI112956B - Oksien kierrätys kemiallisen massan jatkuvassa keittomenetelmässä - Google Patents

Oksien kierrätys kemiallisen massan jatkuvassa keittomenetelmässä Download PDF

Info

Publication number
FI112956B
FI112956B FI962938A FI962938A FI112956B FI 112956 B FI112956 B FI 112956B FI 962938 A FI962938 A FI 962938A FI 962938 A FI962938 A FI 962938A FI 112956 B FI112956 B FI 112956B
Authority
FI
Finland
Prior art keywords
chips
fed
chip
twigs
pulp
Prior art date
Application number
FI962938A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI962938A (fi
FI962938A0 (fi
Inventor
Stig Andtbacka
Anders Bergqvist
Elisabeth Andtbacka
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Publication of FI962938A publication Critical patent/FI962938A/fi
Publication of FI962938A0 publication Critical patent/FI962938A0/fi
Application granted granted Critical
Publication of FI112956B publication Critical patent/FI112956B/fi

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/24Continuous processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI962938A 1994-02-23 1996-07-23 Oksien kierrätys kemiallisen massan jatkuvassa keittomenetelmässä FI112956B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9400616 1994-02-23
SE9400616A SE9400616L (sv) 1994-02-23 1994-02-23 Omhändertagande av kvist vid kontinuerlig kokning
SE9401135 1994-11-28
PCT/SE1994/001135 WO1995023257A1 (en) 1994-02-23 1994-11-28 Recycling of knots in a continuous process for cooking chemical pulp

Publications (3)

Publication Number Publication Date
FI962938A FI962938A (fi) 1996-07-23
FI962938A0 FI962938A0 (fi) 1996-07-23
FI112956B true FI112956B (fi) 2004-02-13

Family

ID=20393048

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962938A FI112956B (fi) 1994-02-23 1996-07-23 Oksien kierrätys kemiallisen massan jatkuvassa keittomenetelmässä

Country Status (9)

Country Link
US (1) US5672245A (ja)
JP (1) JP3723573B2 (ja)
AU (1) AU1428495A (ja)
BR (1) BR9408532A (ja)
CA (1) CA2182688C (ja)
FI (1) FI112956B (ja)
SE (1) SE9400616L (ja)
WO (1) WO1995023257A1 (ja)
ZA (1) ZA95112B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6024227A (en) 1997-08-04 2000-02-15 Ahlstrom Machinery Inc. Tramp material removal from pulp feed systems
SE0004050L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
SE518897C2 (sv) * 2001-04-17 2002-12-03 Lars Obitz System och metod för matning av fibrer från ett fiberseparationssteg vid ett första tryck till ett torkningssteg vid ett andra, lägre tryck
SE525065C2 (sv) * 2003-04-17 2004-11-23 Kvaerner Pulping Tech Förbehandling av flis med sur vätska vid ångbasning
EP2231881A4 (en) * 2007-12-19 2013-08-28 Fpinnovations CONVERSION OF NODE COMMITTEES FROM CHEMICAL PELLET RECOVERY
WO2011102760A1 (en) * 2010-02-17 2011-08-25 Metso Paper Sweden Ab Method and system for recycling of rejects in a process for cooking chemical pulp
US9580864B2 (en) * 2011-08-30 2017-02-28 Valmet Ab Kraft cooking method using polysulfide cooking liquor
CA2824076A1 (en) 2012-08-21 2014-02-21 University Of New Brunswick System and method for reclaiming rejects in sulfite pulping
CN105084010B (zh) * 2015-08-12 2017-11-21 海南金海浆纸业有限公司 一种高压喂料器及系统
CN107022917A (zh) * 2017-05-08 2017-08-08 柯利佳 连续蒸煮器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393121A (en) * 1965-02-05 1968-07-16 Scott Paper Co Soda cook of acid sulfite knotter rejects
US4002528A (en) * 1972-02-18 1977-01-11 Kamyr, Inc. Apparatus for processing pulp
US3886035A (en) * 1973-03-12 1975-05-27 Kamyr Inc Process for separating knots from pulp
NO151123C (no) * 1975-11-06 1985-02-13 Kamyr Inc Fremgangsmaate til fremstilling av en homogen cullulosemasse
US5401361A (en) * 1992-08-19 1995-03-28 Kamyr, Inc. Completely coutercurrent cook continuous digester
US5302247A (en) * 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester

Also Published As

Publication number Publication date
FI962938A (fi) 1996-07-23
WO1995023257A1 (en) 1995-08-31
BR9408532A (pt) 1997-08-05
JPH09509229A (ja) 1997-09-16
SE501369C2 (sv) 1995-01-23
AU1428495A (en) 1995-09-11
SE9400616D0 (sv) 1994-02-23
FI962938A0 (fi) 1996-07-23
ZA95112B (en) 1996-02-05
US5672245A (en) 1997-09-30
CA2182688C (en) 2005-04-05
JP3723573B2 (ja) 2005-12-07
SE9400616L (sv) 1995-01-23
CA2182688A1 (en) 1995-08-31

Similar Documents

Publication Publication Date Title
FI120650B (fi) Menetelmä ja laitteisto massan käsittelemiseksi
CA1328034C (en) High sulfidity cook for paper pulp using black liquor for sulfonization of steamed chips
US5080755A (en) Process for the continuous digestion of cellulosic fiber material
FI112956B (fi) Oksien kierrätys kemiallisen massan jatkuvassa keittomenetelmässä
FI122625B (fi) Menetelmä keittimen käyttämiseksi ja keitin
FI103815B (fi) Kraftkeitto, jossa valkolipeää lisätään pesukiertoon
CN103534407B (zh) 使用连续型蒸煮器在制备纸等级纸浆的硫酸盐蒸煮法工厂中高效制备溶解纸浆的方法和系统
JPS61152892A (ja) セルロースパルプの製造法
CA1240456A (en) Mechanical pulping
EP3224408B1 (en) Continuous digester and feeding system
US5192396A (en) Process for the continuous digestion of cellulosic fiber material
WO1996007786A1 (en) Continuous kraft cooking with black liquor pretreatment
CA2080677A1 (en) Continuous treatment of small chips
US6699357B2 (en) Process for continuous cooking of pulp
EP1205597B1 (en) Process for continuous cooking of pulp
US6280567B1 (en) System and method for treatment of cellulose-containing material prior to pulp digestion
FI122630B (fi) Jatkuvatoiminen keitinjärjestelmä ja menetelmä jatkuvatoimisen selluloosakeittimen käyttämiseksi
US6030492A (en) Impregnation of cellulose-containing material with black liquor in a single vessel digester
FI115846B (fi) Mustalipeän impregnointi yksiastiaisessa hydraulisessa keittokattilassa
US4743338A (en) Method of removing air from lignocellulosic material by passing the material through conduit paths of different diameters
FI57454C (fi) Framstaellning av foerbaettrad hoegutbytesmassa
US6582554B1 (en) Continuous digester having a sectioned top separator with multiple liquor extraction ports
FI121787B (fi) Menetelmä ja laitteisto massan jatkuvatoimiseksi valmistamiseksi
FI121788B (fi) Menetelmä ja laitteisto massan kraftkeittämiseksi
US5925216A (en) Method of continuous pulping in a digester with high black liquor usage in the impregnation stage

Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: METSO FIBER KARLSTAD AB

Free format text: METSO FIBER KARLSTAD AB

PC Transfer of assignment of patent

Owner name: METSO PAPER SWEDEN AKTIEBOLAG

Free format text: METSO PAPER SWEDEN AKTIEBOLAG

MA Patent expired