CA2567046A1 - Tamis central - Google Patents

Tamis central Download PDF

Info

Publication number
CA2567046A1
CA2567046A1 CA002567046A CA2567046A CA2567046A1 CA 2567046 A1 CA2567046 A1 CA 2567046A1 CA 002567046 A CA002567046 A CA 002567046A CA 2567046 A CA2567046 A CA 2567046A CA 2567046 A1 CA2567046 A1 CA 2567046A1
Authority
CA
Canada
Prior art keywords
digester
liquor
screen
central
wall
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
CA002567046A
Other languages
English (en)
Other versions
CA2567046C (fr
Inventor
Lasse Hernesniemi
Tuomo Nykaenen
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
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2567046A1 publication Critical patent/CA2567046A1/fr
Application granted granted Critical
Publication of CA2567046C publication Critical patent/CA2567046C/fr
Expired - Fee Related 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
    • 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

Landscapes

  • Paper (AREA)
CA2567046A 2004-05-28 2005-05-24 Tamis central Expired - Fee Related CA2567046C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/856,721 US20050274468A1 (en) 2004-05-28 2004-05-28 Central screen
US10/856,721 2004-05-28
PCT/FI2005/050173 WO2005116327A1 (fr) 2004-05-28 2005-05-24 Tamis central

Publications (2)

Publication Number Publication Date
CA2567046A1 true CA2567046A1 (fr) 2005-12-08
CA2567046C CA2567046C (fr) 2013-07-02

Family

ID=35450929

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2567046A Expired - Fee Related CA2567046C (fr) 2004-05-28 2005-05-24 Tamis central

Country Status (4)

Country Link
US (1) US20050274468A1 (fr)
EP (1) EP1778912B1 (fr)
CA (1) CA2567046C (fr)
WO (1) WO2005116327A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8647473B2 (en) 2011-01-25 2014-02-11 Metso Paper Sweden Ab Continuous digester with a bottom scraper equipped with draining apertures
WO2012134358A1 (fr) * 2011-03-25 2012-10-04 Metso Paper Sweden Ab Procédé et agencement pour ajouter une lessive de traitement à un matériau de type cellulose dans une cuve à courant descendant
CN106164370B (zh) * 2014-04-07 2019-01-18 斯道拉恩索公司 在连续蒸煮器中蒸煮纤维素纤维材料的方法
CN117463752B (zh) * 2023-12-01 2024-04-09 轻工业杭州机电设计研究院有限公司 大宗有机废弃物高值化利用蒸煮装置及其使用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1231247A (en) * 1913-08-14 1917-06-26 Walter K Freeman Apparatus for harvesting the constituents of wood and vegetable substances, distilling and purifying them.
DE517951C (de) * 1929-05-14 1931-07-30 Einar Morterud Einrichtung zur zwanglaeufigen Fuehrung der Lauge im Kreislauf durch Zellstoffkocher
US3215591A (en) * 1963-04-22 1965-11-02 Lummus Co Pressure impregnation apparatus for impregnating wood chips and the like
SE225814C1 (fr) * 1965-03-25 1969-03-25
US3475271A (en) * 1966-02-07 1969-10-28 Kamyr Ab Cellulose digester with washing apparatus
DE1223343B (de) * 1967-05-15 1966-08-25 Improved Machinery Inc Zylindrisches Spaltfilter
US4568419A (en) * 1984-02-27 1986-02-04 Laakso Oliver A Method of treating comminuted cellulosic fibrous material in a vertical vessel
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US6103058A (en) * 1997-08-07 2000-08-15 Kvaerner Pulping Ab Method for the continuous cooking of pulp
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US6120647A (en) * 1998-01-26 2000-09-19 Ahlstrom Machinery Inc. Simplified liquid removal system for a cellulose pulp digester
US6277240B1 (en) 1998-10-02 2001-08-21 Andritz-Ahlstrom Inc. Method for continuously pulping cellulosic fibrous material

Also Published As

Publication number Publication date
EP1778912B1 (fr) 2013-07-10
EP1778912A4 (fr) 2010-06-16
EP1778912A1 (fr) 2007-05-02
WO2005116327A1 (fr) 2005-12-08
US20050274468A1 (en) 2005-12-15
CA2567046C (fr) 2013-07-02

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160524

MKLA Lapsed

Effective date: 20160524