CA2851609A1 - Dispositif destine a empecher le retrempage d'une pate de cellulose - Google Patents

Dispositif destine a empecher le retrempage d'une pate de cellulose Download PDF

Info

Publication number
CA2851609A1
CA2851609A1 CA2851609A CA2851609A CA2851609A1 CA 2851609 A1 CA2851609 A1 CA 2851609A1 CA 2851609 A CA2851609 A CA 2851609A CA 2851609 A CA2851609 A CA 2851609A CA 2851609 A1 CA2851609 A1 CA 2851609A1
Authority
CA
Canada
Prior art keywords
filtrate
rewet
level
lowerer
preventing rewetting
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.)
Abandoned
Application number
CA2851609A
Other languages
English (en)
Inventor
Jorgen Lundberg
Hans Lovgren
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 AB
Original Assignee
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 AB filed Critical Valmet AB
Publication of CA2851609A1 publication Critical patent/CA2851609A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/40—Washing the fibres

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
CA2851609A 2011-10-12 2012-10-11 Dispositif destine a empecher le retrempage d'une pate de cellulose Abandoned CA2851609A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1150946-0 2011-10-12
SE1150946A SE536171C2 (sv) 2011-10-12 2011-10-12 Enhet för förhindrande av återvätning av cellulosamassa vid tvättning och/eller avvattning
PCT/SE2012/051089 WO2013055284A1 (fr) 2011-10-12 2012-10-11 Dispositif destiné à empêcher le retrempage d'une pâte de cellulose

Publications (1)

Publication Number Publication Date
CA2851609A1 true CA2851609A1 (fr) 2013-04-18

Family

ID=48082171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2851609A Abandoned CA2851609A1 (fr) 2011-10-12 2012-10-11 Dispositif destine a empecher le retrempage d'une pate de cellulose

Country Status (5)

Country Link
EP (1) EP2766523A4 (fr)
CN (1) CN103987892A (fr)
CA (1) CA2851609A1 (fr)
SE (1) SE536171C2 (fr)
WO (1) WO2013055284A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537853C2 (sv) * 2013-05-07 2015-11-03 Valmet Oy Apparat för tvättning och/eller avvattning av massa med en insats för förhindrande av återvätning av massan
US9803319B2 (en) * 2014-12-19 2017-10-31 Andritz Inc. Press roll comb plate and related method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370231A (en) * 1981-09-04 1983-01-25 Lavalley Industrial Plastics, Inc. Rotary drum filter
US4581139A (en) * 1983-10-06 1986-04-08 Dorr-Oliver Incorporated Filtrate run-back baffle for rotary drum vacuum filter
US4663040A (en) * 1985-11-22 1987-05-05 Elizondo H J Rotary drum filter grid extension and method
US4906364A (en) * 1988-12-29 1990-03-06 Ingersoll-Rand Company Filter deck assembly sliding seal
US5244572A (en) * 1991-12-06 1993-09-14 Lavalley Industries, Inc. Rotary drum filter with improved deck structure
US5470471A (en) * 1993-05-14 1995-11-28 Ingersoll-Rand Company Anti-rewet deck for press rolls
AT405420B (de) * 1997-05-26 1999-08-25 Andritz Patentverwaltung Vorrichtung zur entwässerung und wäsche von faserstoffsuspensionen
SE528867C2 (sv) * 2005-07-04 2007-03-06 Metso Paper Inc Valskropp för pressvals samt valspress innefattande två pressvalsar
SE531236C2 (sv) * 2007-05-15 2009-01-27 Metso Paper Inc Anordning och förfarande för tvättning av massa
CN101680171B (zh) * 2007-05-25 2012-04-25 美佐纸业股份有限公司 用于洗涤和脱水纤维素纸浆的装置
SE533558C2 (sv) * 2009-03-04 2010-10-26 Metso Paper Inc Anordning i tvättpress för att motverka återvätning
SE534655C2 (sv) * 2009-12-15 2011-11-08 Metso Paper Inc Trumma för bearbetning av cellulosamassa, apparat innefattande trumman samt förfarande för framställning av trumman

Also Published As

Publication number Publication date
SE1150946A1 (sv) 2013-04-13
WO2013055284A1 (fr) 2013-04-18
EP2766523A4 (fr) 2015-07-01
SE536171C2 (sv) 2013-06-11
EP2766523A1 (fr) 2014-08-20
CN103987892A (zh) 2014-08-13

Similar Documents

Publication Publication Date Title
US5566611A (en) Apparatus for separating liquid from fibrous suspensions
CA2614055C (fr) Corps de rouleau pour rouleau de pressage
US7575658B2 (en) Vacuum washer drum
EP1035250B1 (fr) Dispositif pour le traitement d'une suspension fibreuse
CA2851609A1 (fr) Dispositif destine a empecher le retrempage d'une pate de cellulose
US8048272B2 (en) Arrangement for the treatment of cellulose pulp involving seal positioning means
CA2609832C (fr) Agencement pour le traitement de la pate a papier
CA2609095C (fr) Ensemble de traitement de pate cellulosique dans un appareil de nettoyage possedant un moyen d'elimination de joint
SE1150947A1 (sv) Enhet för förhindrande av återvätning av cellulosamassa
CA2758133C (fr) Presse permettant de deshydrater une suspension
EP2764156B1 (fr) Dispositif de distribution de pâte
WO2010101518A1 (fr) Dispositif situé dans une presse de lavage pour empêcher une réhumidification
EP2994567B1 (fr) Appareils de lavage et/ou déshydratation de la pulpe et méthode de montage d'un insert dans un appareil de lavage et/ou déshydratation de la pulpe
CN102449235B (zh) 用于防止纸浆再润湿的装置
SE1250483A1 (sv) Roterbar pressvals och apparat för tvättning och/eller avvattning av massa
CA2737310A1 (fr) Appareil et procede d'essorage de pate cellulosique a efficacite d'essorage amelioree
SE541307C2 (en) Pressure relief drum washer and a method for manufacturing the drum washer
WO1996006219A1 (fr) Ensemble relie d'admission pour machine de traitement de suspension de pate a papier

Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20171011