EP2331746A4 - An apparatus for washing and/or dewatering pulp - Google Patents

An apparatus for washing and/or dewatering pulp

Info

Publication number
EP2331746A4
EP2331746A4 EP09816526.9A EP09816526A EP2331746A4 EP 2331746 A4 EP2331746 A4 EP 2331746A4 EP 09816526 A EP09816526 A EP 09816526A EP 2331746 A4 EP2331746 A4 EP 2331746A4
Authority
EP
European Patent Office
Prior art keywords
washing
dewatering pulp
dewatering
pulp
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Withdrawn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
EP09816526.9A
Other languages
German (de)
French (fr)
Other versions
EP2331746A1 (en
Inventor
Fredrik Ponten
Johan Bylander
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 EP2331746A1 publication Critical patent/EP2331746A1/en
Publication of EP2331746A4 publication Critical patent/EP2331746A4/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Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/20—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP09816526.9A 2008-09-24 2009-09-23 An apparatus for washing and/or dewatering pulp Withdrawn EP2331746A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0802029A SE0802029A2 (en) 2008-09-24 2008-09-24 Apparatus for washing and / or dewatering pulp
PCT/SE2009/051057 WO2010036192A1 (en) 2008-09-24 2009-09-23 An apparatus for washing and/or dewatering pulp

Publications (2)

Publication Number Publication Date
EP2331746A1 EP2331746A1 (en) 2011-06-15
EP2331746A4 true EP2331746A4 (en) 2013-07-10

Family

ID=42059951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09816526.9A Withdrawn EP2331746A4 (en) 2008-09-24 2009-09-23 An apparatus for washing and/or dewatering pulp

Country Status (5)

Country Link
EP (1) EP2331746A4 (en)
CN (1) CN102165116A (en)
CA (1) CA2735982A1 (en)
SE (1) SE0802029A2 (en)
WO (1) WO2010036192A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8673118B2 (en) 2011-02-18 2014-03-18 Valmet Aktiebolag Press device with an extended nip, a paper making machine and a method of operating a press device
SE535686C2 (en) * 2011-03-24 2012-11-06 Metso Paper Sweden Ab Device for controlling a press nip
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
SE538068C2 (en) 2013-12-19 2016-02-23 Valmet Oy Arrangement and procedure for mass production
CN104960223A (en) * 2014-10-30 2015-10-07 雄县牛宝秸秆青草加工有限公司 Juice and dreg separation method
SE540916C2 (en) * 2016-09-15 2018-12-18 Valmet Oy An apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus
SE544862C2 (en) * 2020-03-16 2022-12-13 Andritz Ab A press for washing and/or dewatering a liquid suspension
CN114960252A (en) * 2022-06-21 2022-08-30 汶瑞机械(山东)有限公司 Line pressure adjusting mechanism for roller of double-roller pulp washer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009075645A1 (en) * 2007-12-13 2009-06-18 Metso Paper, Inc. An apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730079A (en) * 1971-06-22 1973-05-01 Improved Machinery Inc Variable nip press having rolls maintained on parallel axes
DE2704243A1 (en) * 1977-02-02 1978-08-03 Kloeckner Humboldt Deutz Ag ROLLER MILL
GB2293990A (en) * 1994-10-11 1996-04-17 Satake Uk Ltd A cereal milling machine
SE505333C2 (en) * 1995-12-20 1997-08-11 Nobel Elektronik Ab Device for regulating the line power of a wheelchair machine during paper production
DE29717492U1 (en) * 1997-09-30 1997-11-27 Festo Ag & Co Fastening device for fastening a sensor
IT1319060B1 (en) * 2000-10-25 2003-09-23 Ocrim Spa CEREAL GRINDING DEVICE
FI116309B (en) * 2001-07-05 2005-10-31 Vaahto Oy Interconnection design and method for interconnecting and locking rollers in a long nip press
WO2007055672A1 (en) * 2005-09-16 2007-05-18 Yukselis Makina Sanayi Ve Ticaret Anonim Sirketi Arrangement for angular positioning of milling rolls

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009075645A1 (en) * 2007-12-13 2009-06-18 Metso Paper, Inc. An apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010036192A1 *

Also Published As

Publication number Publication date
EP2331746A1 (en) 2011-06-15
WO2010036192A1 (en) 2010-04-01
CA2735982A1 (en) 2010-04-01
SE532910C2 (en) 2010-05-04
SE0802029A1 (en) 2010-03-25
CN102165116A (en) 2011-08-24
SE0802029A2 (en) 2010-07-20

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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

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20110426

AK Designated contracting states

Kind code of ref document: A1

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: 20130612

RIC1 Information provided on ipc code assigned before grant

Ipc: B30B 9/20 20060101ALI20130606BHEP

Ipc: D21C 9/18 20060101AFI20130606BHEP

Ipc: B01D 33/067 20060101ALI20130606BHEP

Ipc: D21C 9/06 20060101ALI20130606BHEP

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: 20140109