ZA945137B - Method and apparatus for thickening lime mud with a disc filter - Google Patents

Method and apparatus for thickening lime mud with a disc filter

Info

Publication number
ZA945137B
ZA945137B ZA945137A ZA945137A ZA945137B ZA 945137 B ZA945137 B ZA 945137B ZA 945137 A ZA945137 A ZA 945137A ZA 945137 A ZA945137 A ZA 945137A ZA 945137 B ZA945137 B ZA 945137B
Authority
ZA
South Africa
Prior art keywords
pct
high pressure
disc filter
date
jets
Prior art date
Application number
ZA945137A
Other languages
English (en)
Inventor
Pekka Roukolainen
Juha Titoff
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of ZA945137B publication Critical patent/ZA945137B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/02Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/15Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21Filters 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/46Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/46Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/58Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/58Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/68Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/70Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • B01D33/725Special treatment of the feed stream before contacting the filtering element, e.g. cutting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Filtration Of Liquid (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Centrifugal Separators (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA945137A 1993-07-15 1994-07-14 Method and apparatus for thickening lime mud with a disc filter ZA945137B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI933212A FI96281B (fi) 1993-07-15 1993-07-15 Menetelmä ja laite meesalietteen saostamiseksi kiekkosuotimella

Publications (1)

Publication Number Publication Date
ZA945137B true ZA945137B (en) 1995-02-23

Family

ID=8538317

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA945137A ZA945137B (en) 1993-07-15 1994-07-14 Method and apparatus for thickening lime mud with a disc filter

Country Status (14)

Country Link
US (1) US5900158A (xx)
EP (1) EP0708676B1 (xx)
JP (1) JP3698165B2 (xx)
CN (1) CN1126953A (xx)
AT (1) ATE161746T1 (xx)
AU (1) AU7126494A (xx)
BR (1) BR9406989A (xx)
CA (1) CA2167088C (xx)
DE (1) DE69407792D1 (xx)
FI (1) FI96281B (xx)
NO (1) NO310099B1 (xx)
PL (1) PL312607A1 (xx)
WO (1) WO1995002442A1 (xx)
ZA (1) ZA945137B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5146698A (en) * 1996-10-15 1998-05-11 Baker Hughes Incorporated Oscillating shower for disc filter
SE515001C2 (sv) * 1998-12-22 2001-05-28 Hydrotech Nils Aake Persson Ab Apparat för rengöring av filterduk hos en filtreringsanordning
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
WO2002085492A1 (en) * 2001-04-23 2002-10-31 Baker Hughes Incorporated Rotatable disc filters with shower systems and methods of use
WO2003004131A1 (en) * 2001-07-03 2003-01-16 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
JP4746300B2 (ja) * 2004-10-01 2011-08-10 株式会社ニクニ 濾過方法および濾過装置
FI20041518A (fi) * 2004-11-25 2006-05-26 Andritz Oy Menetelmä ja laite meesan käsittelemiseksi
DK1961475T3 (da) 2007-02-21 2020-08-31 Veolia Water Solutions & Tech Højtryksrensningsanordning
US7736526B2 (en) * 2008-10-03 2010-06-15 Thompson Industrial Services, Llc Method of filtering phosphate utilizing a rotary table filter or horizontal table filter
US20100213142A1 (en) * 2008-11-24 2010-08-26 Andritz Inc. Lime mud vacuum filter washing system and method
US8647516B2 (en) * 2010-09-03 2014-02-11 Johnny Leon LOVE Filtration method with self-cleaning filter assembly
CN101983750B (zh) * 2010-12-23 2014-08-06 中信重工机械股份有限公司 一种用于立盘过滤机的高液位喷淋进料装置
FI123557B (fi) * 2012-02-06 2013-07-15 Andritz Oy Menetelmä ja laite kiekkosuotimen esipäällystekerroksen ohentamiseksi
FI124273B (fi) * 2012-02-06 2014-05-30 Andritz Oy Menetelmä ja laite pyörivän suotimen esipäällystekerroksen poistamiseksi
CN104511203A (zh) * 2013-09-29 2015-04-15 颜可仁 处理污泥的盘式真空过滤机
CN103899267B (zh) * 2014-03-13 2016-05-25 河南铁福来装备制造股份有限公司 一种履带式瓦斯抽放孔修复作业机
DE102014103831A1 (de) * 2014-03-20 2015-09-24 Huber Se Filtereinrichtung zur Filtration von Abwasser
US10729994B2 (en) * 2015-12-03 2020-08-04 Veolia Water Solutions & Technologies Support Rotary disc filter
SE540831C2 (sv) * 2017-06-27 2018-11-27 Valmet Technologies Oy Filteranordning
EP3717096A4 (en) 2017-11-29 2021-07-21 Maagan Filtration Aca Ltd. FILTRATION SYSTEM
DE102018113804A1 (de) * 2018-06-11 2019-12-12 Voith Patent Gmbh Scheibenfilter
JP7033248B2 (ja) * 2018-11-05 2022-03-10 株式会社石垣 フィルタープレスのろ布洗浄方法
CN109806653A (zh) * 2018-12-14 2019-05-28 合肥信达膜科技有限公司 一种利用陶瓷膜回收矿粉的干燥设备
US11000791B2 (en) * 2019-03-06 2021-05-11 Veolia Water Solutions & Technologies Support Rotary disc filter having backwash guides
KR102264455B1 (ko) * 2020-08-03 2021-06-11 문연우 여과포 표면에 홈을 형성하는 홈형성수단을 포함하는 섬유디스크필터

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839194A (en) * 1957-01-08 1958-06-17 Olin Mathieson Continuous filtration process and apparatus therefor
US3521751A (en) * 1967-12-15 1970-07-28 Theodorus H Holthuis Filtering method and apparatus
FI78623C (fi) * 1987-11-02 1989-09-11 Ahlstroem Oy Foerfarande foer avlastning av skivfilter och avlastningsanordning foer genomfoerande av foerfarandet.
FI84318C (fi) * 1990-04-25 1991-11-25 Ahlstroem Oy Foerfarande och anordning foer foertjockning av mesaslam.
SE470227C (sv) * 1992-05-15 2001-10-08 Caustec Ab Anordning för separering av fasta partiklar från en vätskeblandning
FI96002C (fi) * 1993-04-08 1996-04-25 Ahlstroem Oy Menetelmä ja laite meesalietteen saostamiseen käytetyn suodatusrummun puhdistamiseksi

Also Published As

Publication number Publication date
PL312607A1 (en) 1996-04-29
DE69407792D1 (de) 1998-02-12
ATE161746T1 (de) 1998-01-15
JPH09500057A (ja) 1997-01-07
FI933212A0 (fi) 1993-07-15
EP0708676B1 (en) 1998-01-07
BR9406989A (pt) 1996-03-12
CN1126953A (zh) 1996-07-17
JP3698165B2 (ja) 2005-09-21
AU7126494A (en) 1995-02-13
FI96281B (fi) 1996-02-29
US5900158A (en) 1999-05-04
CA2167088C (en) 2000-11-28
EP0708676A1 (en) 1996-05-01
WO1995002442A1 (en) 1995-01-26
NO960150L (no) 1996-03-14
CA2167088A1 (en) 1995-01-26
NO310099B1 (no) 2001-05-21
NO960150D0 (no) 1996-01-12
FI933212A (fi) 1995-01-16

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