EP2079872A4 - Press washer comprising separation of filtrates - Google Patents

Press washer comprising separation of filtrates

Info

Publication number
EP2079872A4
EP2079872A4 EP07835351A EP07835351A EP2079872A4 EP 2079872 A4 EP2079872 A4 EP 2079872A4 EP 07835351 A EP07835351 A EP 07835351A EP 07835351 A EP07835351 A EP 07835351A EP 2079872 A4 EP2079872 A4 EP 2079872A4
Authority
EP
European Patent Office
Prior art keywords
filtrates
separation
press washer
washer
press
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Withdrawn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
EP07835351A
Other languages
German (de)
French (fr)
Other versions
EP2079872A1 (en
Inventor
Rickard Andersson
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 EP2079872A1 publication Critical patent/EP2079872A1/en
Publication of EP2079872A4 publication Critical patent/EP2079872A4/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Withdrawn legal-status Critical Current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)
  • Filtering Materials (AREA)
EP07835351A 2006-10-27 2007-10-23 Press washer comprising separation of filtrates Withdrawn EP2079872A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0602268A SE0602268L (en) 2006-10-27 2006-10-27 Washing press comprising separation of filtrate
PCT/SE2007/050767 WO2008051157A1 (en) 2006-10-27 2007-10-23 Press washer comprising separation of filtrates

Publications (2)

Publication Number Publication Date
EP2079872A1 EP2079872A1 (en) 2009-07-22
EP2079872A4 true EP2079872A4 (en) 2012-07-04

Family

ID=39272893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07835351A Withdrawn EP2079872A4 (en) 2006-10-27 2007-10-23 Press washer comprising separation of filtrates

Country Status (5)

Country Link
EP (1) EP2079872A4 (en)
CN (1) CN101529016B (en)
CA (1) CA2667242A1 (en)
SE (1) SE0602268L (en)
WO (1) WO2008051157A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0802072A2 (en) * 2008-10-01 2010-07-20 Metso Paper Inc Washing press for washing cellulose pulp
SE533737C2 (en) * 2008-10-27 2010-12-21 Metso Paper Inc Apparatus and method for improved drainage efficiency
SE533686C2 (en) * 2009-04-09 2010-12-07 Andritz Oy Pressure for dewatering a suspension, and ways of cleaning it
SE537925C2 (en) * 2013-05-03 2015-11-24 Valmet Oy Method and system for washing cellulose pulp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046338A (en) * 1990-06-13 1991-09-10 Ingersoll-Rand Company Multiphase pulp washer
WO1997005940A1 (en) * 1995-08-07 1997-02-20 Beloit Technologies, Inc. Single roll displacement wash press
EP1035250A2 (en) * 1999-03-09 2000-09-13 Kvaerner Pulping AB Device for the treatment of a fibrous suspension
WO2005003448A1 (en) * 2003-07-01 2005-01-13 Metso Paper, Inc. Method and washpress for washing and dewatering of a fibre suspension
WO2007004968A1 (en) * 2005-07-04 2007-01-11 Metso Paper Inc. A roll body for a press roll

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380300C (en) * 1974-03-04 1984-10-29 Sunds Ab DEVICE FOR LIQUID TREATMENT OF A FIBER SUSPENSION
BR5901347U (en) * 1979-09-03 1981-04-07 Voith Sa Maquinas Equip FILTER FOR THICKENING FIBROUS MASS SUSPENSIONS
US5330646A (en) * 1990-02-16 1994-07-19 Ingenjorsfirman R. Frykhult Ab Apparatus for filtering liquids
FI88940C (en) * 1991-06-17 1993-07-26 Sunds Porin Tehtaat Oy DRUMTVAETTARE
CN2263126Y (en) * 1996-05-21 1997-09-24 东莞市沙田东江机械制造厂 Pulp washing machine
CN2441845Y (en) * 2000-09-21 2001-08-08 潍坊市轻工机械研究所 Double roller replacable wash engine
CN2500704Y (en) * 2001-09-12 2002-07-17 章丘市造纸机械辅机厂 Double-roll displacing pressing pulp washer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046338A (en) * 1990-06-13 1991-09-10 Ingersoll-Rand Company Multiphase pulp washer
WO1997005940A1 (en) * 1995-08-07 1997-02-20 Beloit Technologies, Inc. Single roll displacement wash press
EP1035250A2 (en) * 1999-03-09 2000-09-13 Kvaerner Pulping AB Device for the treatment of a fibrous suspension
WO2005003448A1 (en) * 2003-07-01 2005-01-13 Metso Paper, Inc. Method and washpress for washing and dewatering of a fibre suspension
WO2007004968A1 (en) * 2005-07-04 2007-01-11 Metso Paper Inc. A roll body for a press roll

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008051157A1 *

Also Published As

Publication number Publication date
CN101529016A (en) 2009-09-09
CN101529016B (en) 2011-08-03
CA2667242A1 (en) 2008-05-02
SE530282C2 (en) 2008-04-15
WO2008051157A1 (en) 2008-05-02
SE0602268L (en) 2008-04-15
EP2079872A1 (en) 2009-07-22

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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: 20090421

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 HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20120605

RIC1 Information provided on ipc code assigned before grant

Ipc: D21C 9/18 20060101ALI20120530BHEP

Ipc: D21C 9/06 20060101AFI20120530BHEP

DAX Request for extension of the european patent (deleted)
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: 20130103