EP3380666A4 - Racleur de fond pour cuve de traitement de matière de cellulose - Google Patents

Racleur de fond pour cuve de traitement de matière de cellulose Download PDF

Info

Publication number
EP3380666A4
EP3380666A4 EP16868987.5A EP16868987A EP3380666A4 EP 3380666 A4 EP3380666 A4 EP 3380666A4 EP 16868987 A EP16868987 A EP 16868987A EP 3380666 A4 EP3380666 A4 EP 3380666A4
Authority
EP
European Patent Office
Prior art keywords
treatment vessel
cellulose material
material treatment
bottom scraper
scraper
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.)
Withdrawn
Application number
EP16868987.5A
Other languages
German (de)
English (en)
Other versions
EP3380666A1 (fr
Inventor
Magnus WILHELMSSON
Magnus Hägglund
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 EP3380666A1 publication Critical patent/EP3380666A1/fr
Publication of EP3380666A4 publication Critical patent/EP3380666A4/fr
Withdrawn legal-status Critical Current

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
    • D21C7/08—Discharge devices
EP16868987.5A 2015-11-27 2016-11-25 Racleur de fond pour cuve de traitement de matière de cellulose Withdrawn EP3380666A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1551552A SE539140C2 (en) 2015-11-27 2015-11-27 Bottom scraper for a cellulose material treatment vessel
PCT/SE2016/051169 WO2017091138A1 (fr) 2015-11-27 2016-11-25 Racleur de fond pour cuve de traitement de matière de cellulose

Publications (2)

Publication Number Publication Date
EP3380666A1 EP3380666A1 (fr) 2018-10-03
EP3380666A4 true EP3380666A4 (fr) 2019-07-24

Family

ID=58503793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16868987.5A Withdrawn EP3380666A4 (fr) 2015-11-27 2016-11-25 Racleur de fond pour cuve de traitement de matière de cellulose

Country Status (3)

Country Link
EP (1) EP3380666A4 (fr)
SE (1) SE539140C2 (fr)
WO (1) WO2017091138A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1850365A1 (en) * 2018-03-29 2019-09-30 Valmet Oy Diverter for a feed out arrangement for a digester and feed out arrangement comprising such a diverter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654738A (en) * 1948-09-22 1951-06-27 Cellulose Dev Corp Ltd Improvements in or relating to processes and apparatus for the continuous treatment of vegetable fibres
EP1869250A1 (fr) * 2005-03-23 2007-12-26 Kvaerner Pulping AB Dispositif permettant d'apporter une suspension epaisse de copeaux et de liquide
EP1988211A2 (fr) * 2007-04-23 2008-11-05 Andritz, Inc. Dispositif de sortie pour récipients pressurisés disposant d'un revêtement radial combiné et moteur à commande hydraulique
WO2012102650A1 (fr) * 2011-01-25 2012-08-02 Metso Paper Sweden Ab Digesteur en continu à racloir inférieur équipé d'ouvertures de drainage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804304A (en) * 1969-04-08 1974-04-16 Kamyr Ab Device for discharging cellulosic pulp out of a container
WO1998049391A1 (fr) * 1997-04-30 1998-11-05 Kvaerner Pulping Ab Systeme d'evacuation d'une cuve sous pression destinee au blanchiment de pate a papier
US6280575B1 (en) * 1998-05-29 2001-08-28 Andritz-Ahlstrom Inc. Frusto-conical outlet for a cellulose material treatment vessel
SE538417C2 (sv) * 2014-05-23 2016-06-21 Valmet Oy Mantelförlängning på kokare

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654738A (en) * 1948-09-22 1951-06-27 Cellulose Dev Corp Ltd Improvements in or relating to processes and apparatus for the continuous treatment of vegetable fibres
EP1869250A1 (fr) * 2005-03-23 2007-12-26 Kvaerner Pulping AB Dispositif permettant d'apporter une suspension epaisse de copeaux et de liquide
EP1988211A2 (fr) * 2007-04-23 2008-11-05 Andritz, Inc. Dispositif de sortie pour récipients pressurisés disposant d'un revêtement radial combiné et moteur à commande hydraulique
WO2012102650A1 (fr) * 2011-01-25 2012-08-02 Metso Paper Sweden Ab Digesteur en continu à racloir inférieur équipé d'ouvertures de drainage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017091138A1 *

Also Published As

Publication number Publication date
EP3380666A1 (fr) 2018-10-03
SE1551552A1 (en) 2017-04-18
WO2017091138A1 (fr) 2017-06-01
SE539140C2 (en) 2017-04-18

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