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FI960438A7 - Apparatus and method for cleaning a pulp washer from sticky substances - Google Patents

Apparatus and method for cleaning a pulp washer from sticky substances Download PDF

Info

Publication number
FI960438A7
FI960438A7 FI960438A FI960438A FI960438A7 FI 960438 A7 FI960438 A7 FI 960438A7 FI 960438 A FI960438 A FI 960438A FI 960438 A FI960438 A FI 960438A FI 960438 A7 FI960438 A7 FI 960438A7
Authority
FI
Finland
Prior art keywords
cleaning
sticky substances
pulp washer
pulp
washer
Prior art date
Application number
FI960438A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI960438A0 (en
Inventor
Kaj Henricson
Pekka Kaarakainen
Seppo Kokkonen
Anssi Luostarinen
Harri Qvintus
Erkki Savolainen
Pekka Tervola
Original Assignee
Ahlstrom Machinery 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
Priority claimed from FI954259A external-priority patent/FI107742B/en
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to FI960438A priority Critical patent/FI960438A7/en
Priority to FI972876A priority patent/FI972876A7/en
Publication of FI960438A0 publication Critical patent/FI960438A0/en
Priority to PCT/FI1996/000482 priority patent/WO1997010380A1/en
Priority to EP96930185A priority patent/EP0853700A1/en
Publication of FI960438A7 publication Critical patent/FI960438A7/en

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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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
    • 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
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • 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
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI960438A 1995-09-11 1996-01-31 Apparatus and method for cleaning a pulp washer from sticky substances FI960438A7 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI960438A FI960438A7 (en) 1995-09-11 1996-01-31 Apparatus and method for cleaning a pulp washer from sticky substances
FI972876A FI972876A7 (en) 1995-09-11 1996-01-31 Pulp washer
PCT/FI1996/000482 WO1997010380A1 (en) 1995-09-11 1996-09-11 Method and apparatus for cleaning a fiber pulp washer from stickies
EP96930185A EP0853700A1 (en) 1995-09-11 1996-09-11 Method and apparatus for cleaning a fiber pulp washer from stickies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI954259A FI107742B (en) 1995-09-11 1995-09-11 Method and apparatus for treating pulp
FI960438A FI960438A7 (en) 1995-09-11 1996-01-31 Apparatus and method for cleaning a pulp washer from sticky substances

Publications (2)

Publication Number Publication Date
FI960438A0 FI960438A0 (en) 1996-01-31
FI960438A7 true FI960438A7 (en) 1997-03-12

Family

ID=26160015

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960438A FI960438A7 (en) 1995-09-11 1996-01-31 Apparatus and method for cleaning a pulp washer from sticky substances

Country Status (3)

Country Link
EP (1) EP0853700A1 (en)
FI (1) FI960438A7 (en)
WO (1) WO1997010380A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526150C2 (en) * 2003-11-13 2005-07-12 Metso Paper Inc Method of replacing the roll plate of a roller body
DE102004033328A1 (en) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter with solid resuspension
US20090020461A1 (en) 2005-05-09 2009-01-22 Filtration Fibrewall Inc. Screen Basket with Replaceable Profiled Bars
SE528729E (en) 2005-06-03 2015-12-15 Metso Paper Inc Device for treating cellulose pulp
SE528714C2 (en) * 2005-06-03 2007-01-30 Metso Paper Inc Device for treating cellulose pulp in a washing device adapted to facilitate service and inspection of the device
SE528721C2 (en) * 2005-06-03 2007-01-30 Metso Paper Inc Apparatus and method for sealing adjustment in a washing device for treating cellulose pulp
SE528722C2 (en) * 2005-06-03 2007-01-30 Metso Paper Inc Apparatus for treating cellulose pulp in a washing apparatus provided with a reinforcing sheath
SE528727C2 (en) * 2005-06-03 2007-02-06 Metso Paper Inc Apparatus for treating cellulose pulp in a washing apparatus provided with means for removing seals
SE528716C8 (en) 2005-06-03 2007-04-24 Metso Paper Inc Apparatus for treating cellulose pulp in a washing device
SE530586C2 (en) * 2006-11-30 2008-07-08 Metso Paper Inc Method and unit for sealing adjustment in a washing device and washing device comprising sealing adjustment unit
JP5465181B2 (en) 2007-11-14 2014-04-09 フィルトレーション・ファイバーウォール・インコーポレーテッド Screen basket
FI129321B (en) * 2020-08-10 2021-11-30 Andritz Oy PROCEDURE AND ARRANGEMENTS FOR CHECKING A SEAL IN A WASHER

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2055251A (en) * 1933-10-03 1936-09-22 Oliver United Filters Inc Clamp
BE531925A (en) * 1939-03-06
US3075646A (en) * 1959-10-01 1963-01-29 Ametek Inc Filter
US4261831A (en) * 1979-07-18 1981-04-14 Linsenmeyer Stephen J Cleaner for drum type vacuum filter system
FI74752C (en) * 1986-03-20 1992-12-01 Ahlstroem Oy Method and apparatus for washing cellulose
FI81019C (en) * 1988-10-13 1992-03-24 Sunds Defibrator Rauma Oy Method and apparatus for filtering suspension
US4906364A (en) * 1988-12-29 1990-03-06 Ingersoll-Rand Company Filter deck assembly sliding seal
EP0763622A3 (en) * 1990-08-17 1999-08-25 Alcell Technologies Inc. Continuous solvent pulping and washing processes and apparatus
FI88940C (en) * 1991-06-17 1993-07-26 Sunds Porin Tehtaat Oy DRUMTVAETTARE
FI96002C (en) * 1993-04-08 1996-04-25 Ahlstroem Oy Method and apparatus for cleaning a filter drum used in precipitation of mesas sludge

Also Published As

Publication number Publication date
WO1997010380A1 (en) 1997-03-20
EP0853700A1 (en) 1998-07-22
FI960438A0 (en) 1996-01-31

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY