FI87374B - Separering av lut, mesa och slam i en kausticeringsprocess. - Google Patents

Separering av lut, mesa och slam i en kausticeringsprocess.

Info

Publication number
FI87374B
FI87374B FI861792A FI861792A FI87374B FI 87374 B FI87374 B FI 87374B FI 861792 A FI861792 A FI 861792A FI 861792 A FI861792 A FI 861792A FI 87374 B FI87374 B FI 87374B
Authority
FI
Finland
Prior art keywords
kausticeringsprocess
separering
slam
lut
mesa
Prior art date
Application number
FI861792A
Other languages
English (en)
Finnish (fi)
Other versions
FI861792A0 (fi
FI861792A (fi
Inventor
Samuel Ragnegaord
Arne Sjoeberg
Original Assignee
Celleco Hedemora 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 Celleco Hedemora Ab filed Critical Celleco Hedemora Ab
Publication of FI861792A0 publication Critical patent/FI861792A0/fi
Publication of FI861792A publication Critical patent/FI861792A/fi
Application granted granted Critical
Publication of FI87374B publication Critical patent/FI87374B/fi

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
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors
    • 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
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • B01D33/19—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake
    • 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
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • 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
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • 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
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • 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
    • 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
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)
  • Filtration Of Liquid (AREA)
FI861792A 1985-05-02 1986-04-29 Separering av lut, mesa och slam i en kausticeringsprocess. FI87374B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8502123A SE463771C (sv) 1985-05-02 1985-05-02 Anordning och förfarande för separering av vitlut, mesa och eventuellt slam varvid användes ett roterande skivfilter

Publications (3)

Publication Number Publication Date
FI861792A0 FI861792A0 (fi) 1986-04-29
FI861792A FI861792A (fi) 1986-11-03
FI87374B true FI87374B (fi) 1992-09-15

Family

ID=20360042

Family Applications (1)

Application Number Title Priority Date Filing Date
FI861792A FI87374B (fi) 1985-05-02 1986-04-29 Separering av lut, mesa och slam i en kausticeringsprocess.

Country Status (5)

Country Link
US (1) US4929355A (sv)
JP (1) JPH07107236B2 (sv)
CA (1) CA1270608A (sv)
FI (1) FI87374B (sv)
SE (1) SE463771C (sv)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462597B (sv) * 1988-11-25 1990-07-23 Celleco Ab Foerfarande och anordning foer fraktionering av suspensioner
SE463242B (sv) * 1989-03-13 1990-10-29 Hedemora Ab Filter foer kontinuerlig filtrering av suspension
JPH0450107U (sv) * 1990-09-03 1992-04-28
FI93752C (sv) * 1992-07-07 1995-06-12 Larox Ag Förfarande för separering av produkt bildad i kaustisering
SE501550C2 (sv) * 1992-11-20 1995-03-13 Kvaerner Pulp Equipment As Sughuvud anordnat mellan en filtratkanal och ett fallrör vid ett roterande filter
FI96879C (sv) * 1994-03-15 1999-07-14 Ahlstrom Machinery Oy Förfarande och anordning för behandling av grönlut
US5705031A (en) * 1994-06-15 1998-01-06 Kvaerner Pulping Technologies Ab Process for removing and washing dregs from green liquor in a kraft pulp mill
SE504374C2 (sv) * 1994-10-20 1997-01-20 Kvaerner Pulping Tech Lakning av elfilteraska
DE29518534U1 (de) * 1995-11-22 1996-01-18 Geldmacher, Joachim, Dipl.-Ing., 51588 Nümbrecht Filter zum kontinuierlichen Filtern von Feststoffe aufweisenden Flüssigkeiten
US6063294A (en) * 1996-10-15 2000-05-16 Baker Hughes Incorporated Uniform area shower for disc filter
SE510603C2 (sv) * 1997-08-21 1999-06-07 Kvaerner Pulping Asa Roterande filter med förfiltrering i två steg, förfarande för filtrering samt användning av filtret för avvattning av cellulosafibersuspensioner
FI105322B (sv) * 1998-06-25 2000-07-31 Outokumpu Oy Förfarande för bildande av en filterkaka
US7005067B2 (en) * 2000-12-12 2006-02-28 Gl&V Management Hungary Kft Disc-type filtration apparatus including discharge collector internal to pressure vessel and method filtration
SE516246C2 (sv) * 2001-02-07 2001-12-10 Kvaerner Pulping Tech Rörsystem för mottagning och transport av mesa från ett vitlutsfilter
US6833077B2 (en) * 2001-04-23 2004-12-21 Gl&V Management Hungary Kft. Sequential swinging precoat removal and renewal system, filter so equipped and method
SE526706C2 (sv) * 2004-04-16 2005-10-25 Kvaerner Pulping Tech Förfarande och anordning för tvätt av mesa
SE0401358L (sv) * 2004-05-26 2005-02-22 Kvaerner Pulping Tech Förfarande och anordning för rengöring av filter
FI20041518A (sv) * 2004-11-25 2006-05-26 Andritz Oy Förfarande och anordning för behandling av mesa
EP1961475B1 (en) * 2007-02-21 2020-06-17 Veolia Water Solutions & Technologies Support High pressure cleaning device
SE530768C2 (sv) 2007-12-06 2008-09-09 Metso Fiber Karlstad Ab System för mottagning och transport av mesa från ett vitlutsfilter
US20100213142A1 (en) * 2008-11-24 2010-08-26 Andritz Inc. Lime mud vacuum filter washing system and method
CN104066885B (zh) * 2011-11-04 2015-10-21 维美德公司 苛化工艺制备白液的方法
FI124273B (sv) * 2012-02-06 2014-05-30 Andritz Oy Förfarande och anordning för avlägsnande av förbeläggningen i ett roterande filter
FI123557B (sv) * 2012-02-06 2013-07-15 Andritz Oy Förfarande och anordning för uttunning av skikttjockleken av förbeläggningen i ett skivfilter
JP5910141B2 (ja) * 2012-02-13 2016-04-27 富士ゼロックス株式会社 現像装置及び画像形成装置
NL2011545C2 (nl) * 2013-10-03 2015-04-07 Bastenhof Consultancy B V Filtratiesysteem en werkwijze voor het filtreren van een vloeistof.
SE540553C2 (en) * 2017-04-07 2018-09-25 Valmet Oy Pressurized disc filter for causticization liquors containing lime mud
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter
US11000791B2 (en) * 2019-03-06 2021-05-11 Veolia Water Solutions & Technologies Support Rotary disc filter having backwash guides

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI46534C (sv) * 1971-01-13 1973-04-10 Rauma Repola Oy Tvättfilter för filtrering och tvättning av fibersuspension, speciellt massasuspension.
SE419997B (sv) * 1978-04-14 1981-09-07 Alf Ove Andersson Sett att bereda vitlut vit ett tryck over atmosferstrycket
SE426959B (sv) * 1982-03-17 1983-02-21 Rauma Repola Oy Forfarande for tjockning av massa eller suspension och skivfilter for tillempning av forfarandet
US4525274A (en) * 1984-04-06 1985-06-25 Dorr-Oliver Incorporated Filtrate discharge system for pressure filter
SE451948B (sv) * 1985-05-02 1987-11-09 Hedemora Ab Filter for kontinuerlig filtrering under tryck av en suspension

Also Published As

Publication number Publication date
FI861792A0 (fi) 1986-04-29
SE8502123D0 (sv) 1985-05-02
SE8502123L (sv) 1986-11-03
SE463771B (sv) 1991-01-21
SE463771C (sv) 1999-07-12
FI861792A (fi) 1986-11-03
JPS6233897A (ja) 1987-02-13
CA1270608A (en) 1990-06-26
JPH07107236B2 (ja) 1995-11-15
US4929355A (en) 1990-05-29

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: CAUSTEC AB

CD Patent refused following opposition
FC Application refused

Owner name: CAUSTEC AB