EP2344694A4 - Press washer for washing cellulose pulp - Google Patents

Press washer for washing cellulose pulp

Info

Publication number
EP2344694A4
EP2344694A4 EP09818061.5A EP09818061A EP2344694A4 EP 2344694 A4 EP2344694 A4 EP 2344694A4 EP 09818061 A EP09818061 A EP 09818061A EP 2344694 A4 EP2344694 A4 EP 2344694A4
Authority
EP
European Patent Office
Prior art keywords
cellulose pulp
press washer
washing cellulose
washing
washer
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Withdrawn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
EP09818061.5A
Other languages
German (de)
French (fr)
Other versions
EP2344694A1 (en
Inventor
Stefan Mattsson
Magnus Danielsson
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
Metso Paper Oy
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 Metso Paper Oy filed Critical Metso Paper Oy
Publication of EP2344694A1 publication Critical patent/EP2344694A1/en
Publication of EP2344694A4 publication Critical patent/EP2344694A4/en
Withdrawn legal-status Critical Current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
    • 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
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
EP09818061.5A 2008-10-01 2009-09-28 Press washer for washing cellulose pulp Withdrawn EP2344694A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0802072A SE0802072A2 (en) 2008-10-01 2008-10-01 Washing press for washing cellulose pulp
PCT/SE2009/051072 WO2010039092A1 (en) 2008-10-01 2009-09-28 Press washer for washing cellulose pulp

Publications (2)

Publication Number Publication Date
EP2344694A1 EP2344694A1 (en) 2011-07-20
EP2344694A4 true EP2344694A4 (en) 2013-07-24

Family

ID=42073711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09818061.5A Withdrawn EP2344694A4 (en) 2008-10-01 2009-09-28 Press washer for washing cellulose pulp

Country Status (5)

Country Link
EP (1) EP2344694A4 (en)
CN (1) CN102171393B (en)
CA (1) CA2736723A1 (en)
SE (1) SE0802072A2 (en)
WO (1) WO2010039092A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537341C2 (en) * 2012-09-25 2015-04-07 Valmet Oy Liquid distributor for a washing machine and a washing machine
CN103410037A (en) * 2013-07-12 2013-11-27 海南金海浆纸业有限公司 High-pressure spraying cleaning device of double-roller squeezing pulp washer
SE546043C2 (en) * 2021-09-24 2024-04-23 Valmet Oy Apparatus for washing cellulose pulp comprising a liquid distributor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980518A (en) * 1974-03-04 1976-09-14 Sunds Aktiebolag Device for liquid-treating a running fiber web, including an arc-shaped duct
US5589035A (en) * 1993-09-08 1996-12-31 Sunds Defibrator Industries Ab Liquid treatment device
WO2008051157A1 (en) * 2006-10-27 2008-05-02 Metso Paper, Inc. Press washer comprising separation of filtrates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE318182B (en) * 1968-04-23 1969-12-01 Karlstad Mekaniska Ab
SE349075B (en) * 1969-10-21 1972-09-18 Karlstad Mekaniska Ab
SE504011C2 (en) * 1994-12-12 1996-10-21 Sunds Defibrator Ind Ab dewatering
CN2255448Y (en) * 1995-11-30 1997-06-04 王锡元 Looped-network replaceable squeezing wash engine
AT405420B (en) * 1997-05-26 1999-08-25 Andritz Patentverwaltung DEVICE FOR DRAINING AND WASHING FIBER FIBER SUSPENSIONS
CN2441845Y (en) * 2000-09-21 2001-08-08 潍坊市轻工机械研究所 Double roller replacable wash engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980518A (en) * 1974-03-04 1976-09-14 Sunds Aktiebolag Device for liquid-treating a running fiber web, including an arc-shaped duct
US5589035A (en) * 1993-09-08 1996-12-31 Sunds Defibrator Industries Ab Liquid treatment device
WO2008051157A1 (en) * 2006-10-27 2008-05-02 Metso Paper, Inc. Press washer comprising separation of filtrates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010039092A1 *

Also Published As

Publication number Publication date
CN102171393B (en) 2013-03-27
CN102171393A (en) 2011-08-31
SE532973C2 (en) 2010-06-01
WO2010039092A1 (en) 2010-04-08
EP2344694A1 (en) 2011-07-20
CA2736723A1 (en) 2010-04-08
SE0802072A2 (en) 2010-07-20
SE0802072A1 (en) 2010-04-02

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20110502

AK Designated contracting states

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

AX Request for extension of the european patent

Extension state: AL BA RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130621

RIC1 Information provided on ipc code assigned before grant

Ipc: D21C 9/06 20060101AFI20130617BHEP

Ipc: D21C 9/18 20060101ALI20130617BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VALMET TECHNOLOGIES, INC.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150704