EP3212840A4 - Verfahren und anordnung zur auslassverdünnung - Google Patents

Verfahren und anordnung zur auslassverdünnung Download PDF

Info

Publication number
EP3212840A4
EP3212840A4 EP15856135.7A EP15856135A EP3212840A4 EP 3212840 A4 EP3212840 A4 EP 3212840A4 EP 15856135 A EP15856135 A EP 15856135A EP 3212840 A4 EP3212840 A4 EP 3212840A4
Authority
EP
European Patent Office
Prior art keywords
arrangement
discharge dilution
dilution
discharge
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP15856135.7A
Other languages
English (en)
French (fr)
Other versions
EP3212840B1 (de
EP3212840A1 (de
Inventor
Andreas Engelfeldt
Petteri KUUSISTO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Valmet AB
Original Assignee
Valmet Oy
Valmet 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 Valmet Oy, Valmet AB filed Critical Valmet Oy
Publication of EP3212840A1 publication Critical patent/EP3212840A1/de
Publication of EP3212840A4 publication Critical patent/EP3212840A4/de
Application granted granted Critical
Publication of EP3212840B1 publication Critical patent/EP3212840B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
EP15856135.7A 2014-10-31 2015-10-28 Verfahren und anordnung zur auslassverdünnung Active EP3212840B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1451303A SE539501C2 (sv) 2014-10-31 2014-10-31 Method and arrangement for discharge dilution
PCT/SE2015/051141 WO2016068783A1 (en) 2014-10-31 2015-10-28 Method and arrangement for discharge dilution

Publications (3)

Publication Number Publication Date
EP3212840A1 EP3212840A1 (de) 2017-09-06
EP3212840A4 true EP3212840A4 (de) 2018-04-11
EP3212840B1 EP3212840B1 (de) 2020-02-05

Family

ID=55857932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15856135.7A Active EP3212840B1 (de) 2014-10-31 2015-10-28 Verfahren und anordnung zur auslassverdünnung

Country Status (4)

Country Link
EP (1) EP3212840B1 (de)
CA (1) CA2966142A1 (de)
SE (1) SE539501C2 (de)
WO (1) WO2016068783A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470432A (en) * 1992-06-08 1995-11-28 A. Ahlstrom Corporation Method and arrangement for the treatment of a fiber suspension
WO2004007834A1 (en) * 2002-07-12 2004-01-22 Stora Enso Oyj A continuous process for the cooking of cellulose-besed pulp and a pulp digester applicable for the same
WO2004046457A1 (en) * 2002-11-19 2004-06-03 Advanced Fiber Technologies (Aft) Oy Method and apparatus for treating fiber suspension

Family Cites Families (10)

* 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
US3259538A (en) * 1963-04-22 1966-07-05 Lummus Co Comprehensive pulping system for producing paper pulp
US3830688A (en) * 1970-10-23 1974-08-20 Skogsaegarnas Ind Ab Method of reducing the discharge of waste products from pulp mills
SE394466C (sv) * 1974-05-16 1986-06-23 Mannbro Systems Handelsbolag Sett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tva eller flera steg, varav det sista med syrgas
US5066362A (en) * 1987-12-01 1991-11-19 Kamyr, Inc. Extended delignification in pressure diffusers
US6302997B1 (en) * 1999-08-30 2001-10-16 North Carolina State University Process for producing a pulp suitable for papermaking from nonwood fibrous materials
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
SE0004050L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
FI123023B (fi) * 2009-09-01 2012-10-15 Andritz Oy Menetelmä ja laitteisto suovan erottamiseksi
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470432A (en) * 1992-06-08 1995-11-28 A. Ahlstrom Corporation Method and arrangement for the treatment of a fiber suspension
WO2004007834A1 (en) * 2002-07-12 2004-01-22 Stora Enso Oyj A continuous process for the cooking of cellulose-besed pulp and a pulp digester applicable for the same
WO2004046457A1 (en) * 2002-11-19 2004-06-03 Advanced Fiber Technologies (Aft) Oy Method and apparatus for treating fiber suspension

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016068783A1 *

Also Published As

Publication number Publication date
SE539501C2 (sv) 2017-10-03
EP3212840B1 (de) 2020-02-05
WO2016068783A1 (en) 2016-05-06
EP3212840A1 (de) 2017-09-06
CA2966142A1 (en) 2016-05-06
SE1451303A1 (en) 2016-05-01

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