EP0280094A3 - Filter segment for a filter for thickening a fibrous suspension - Google Patents

Filter segment for a filter for thickening a fibrous suspension Download PDF

Info

Publication number
EP0280094A3
EP0280094A3 EP88101672A EP88101672A EP0280094A3 EP 0280094 A3 EP0280094 A3 EP 0280094A3 EP 88101672 A EP88101672 A EP 88101672A EP 88101672 A EP88101672 A EP 88101672A EP 0280094 A3 EP0280094 A3 EP 0280094A3
Authority
EP
European Patent Office
Prior art keywords
screen
filter
segment
carriers
thickening
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.)
Granted
Application number
EP88101672A
Other languages
English (en)
Other versions
EP0280094B1 (de
EP0280094A2 (de
Inventor
Siegfried Hauff
Waldemar Schafer
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.)
Voith Finckh Fiber Systems GmbH and Co KG
Original Assignee
Hermann Finckh Maschinenfabrik GmbH and Co
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 Hermann Finckh Maschinenfabrik GmbH and Co filed Critical Hermann Finckh Maschinenfabrik GmbH and Co
Priority to AT88101672T priority Critical patent/ATE54967T1/de
Publication of EP0280094A2 publication Critical patent/EP0280094A2/de
Publication of EP0280094A3 publication Critical patent/EP0280094A3/de
Application granted granted Critical
Publication of EP0280094B1 publication Critical patent/EP0280094B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/66Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/18De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02Straining or screening the pulp
    • D21D5/04Flat screens
    • D21D5/046Rotary screens
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48Processes of making filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Filtering Materials (AREA)
  • Inorganic Fibers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
EP88101672A 1987-02-27 1988-02-05 Siebsegment für Filter zum Eindicken von Fasersuspensionen Expired - Lifetime EP0280094B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101672T ATE54967T1 (de) 1987-02-27 1988-02-05 Siebsegment fuer filter zum eindicken von fasersuspensionen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3706402A DE3706402C1 (de) 1987-02-27 1987-02-27 Siebsegment fuer Filter zum Eindicken von Fasersuspensionen
DE3706402 1987-02-27

Publications (3)

Publication Number Publication Date
EP0280094A2 EP0280094A2 (de) 1988-08-31
EP0280094A3 true EP0280094A3 (en) 1989-03-01
EP0280094B1 EP0280094B1 (de) 1990-07-25

Family

ID=6321947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101672A Expired - Lifetime EP0280094B1 (de) 1987-02-27 1988-02-05 Siebsegment für Filter zum Eindicken von Fasersuspensionen

Country Status (7)

Country Link
US (1) US4950403A (de)
EP (1) EP0280094B1 (de)
JP (1) JP2645057B2 (de)
AT (1) ATE54967T1 (de)
CA (1) CA1324344C (de)
DE (2) DE3706402C1 (de)
FI (1) FI85341C (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254250A (en) * 1991-05-30 1993-10-19 Membrex, Inc. Rotary filtration device and filter pack therefor
US5679249A (en) * 1991-12-24 1997-10-21 Pall Corporation Dynamic filter system
US6117322A (en) * 1993-06-23 2000-09-12 Pall Corporation Dynamic filter system
AT401069B (de) * 1993-06-23 1996-06-25 Leripa Kunststoff Gmbh & Co Kg Randabdichtung für entwässerungselemente
AT403064B (de) * 1995-09-15 1997-11-25 Andritz Patentverwaltung Scheibenfilter zum abtrennen von flüssigkeiten aus einer suspension, insbesondere faserstoffsuspension
US5707517A (en) * 1995-11-27 1998-01-13 Membrex, Inc. Immersible rotary disc filtration device
ES2154041T3 (es) 1996-08-20 2001-03-16 Buehler Ag Geb Criba rotatoria.
US5766472A (en) * 1996-10-29 1998-06-16 Illinois Tool Works Inc. Method and apparatus for a filter assembly
DE19706601C1 (de) * 1997-02-20 1998-11-12 Buehler Ag Siebrahmen für Plansichter und Verfahren zu dessen Herstellung
DE69824052T2 (de) * 1997-03-01 2005-02-03 United Wire Ltd. Filtersieb
US5993674A (en) * 1998-02-24 1999-11-30 Membrex, Inc. Rotary disc filtration device with means to reduce axial forces
US6305549B1 (en) * 1999-07-06 2001-10-23 Southwestern Wire Cloth, Inc. Vibrating screen assembly of dissimilar materials
US20010050250A1 (en) 1999-09-14 2001-12-13 Olli Hognabba Corrosion-resistant filter element
SE526692E (sv) 2003-02-27 2012-12-28 Veolia Water Solutions & Tech Modul för uppbyggnad av skivfilter
AT412259B (de) * 2003-06-04 2004-12-27 Andritz Ag Maschf Verfahren zum herstellen eines sektorförmigen filterelements und filterelement
US20050027006A1 (en) 2003-07-28 2005-02-03 Reuben Matalon Methods and materials for treating conditions associated with metabolic disorders
WO2007061447A2 (en) * 2005-11-15 2007-05-31 Sefar Filtration Inc. Disposable pre-tensioned sieve frame and method of making same
EP1872843A1 (de) * 2006-06-26 2008-01-02 Hydrotech Veolia Water Systems Aktiebolag Filterrahmen für einen Scheibenfilter
EP2051791B1 (de) 2006-08-14 2014-10-08 Evoqua Water Technologies LLC Scheibenfilter mit hohem durchfluss
US8801929B2 (en) 2007-07-18 2014-08-12 Evoqua Water Technologies Llc Trash tolerant filter support for a disc filter
US8118175B2 (en) 2007-07-18 2012-02-21 Siemens Industry, Inc. Venting device for a disc filter
US8894856B2 (en) 2008-03-28 2014-11-25 Evoqua Water Technologies Llc Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
WO2009120384A2 (en) 2008-03-28 2009-10-01 Siemens Water Technologies Corp. Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
US9359236B2 (en) 2010-08-18 2016-06-07 Evoqua Water Technologies Llc Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
SE535159C2 (sv) * 2010-09-02 2012-05-02 Veolia Water Solutions & Tech Förfarande för att tillverka ett filtersegment till ett skivfilter samt filtersegmentet
CN102614703A (zh) * 2011-01-31 2012-08-01 江苏博思达环保科技有限公司 转盘过滤器用盘片
CN103917281B (zh) * 2011-08-29 2016-02-17 奥维沃卢森堡公司 带有轻量化框架的过滤器节段
DE102012222400A1 (de) 2012-12-06 2014-06-26 BSH Bosch und Siemens Hausgeräte GmbH Scheibenfilterplatte mit Trägerelement
US10131550B2 (en) 2013-05-06 2018-11-20 Evoqua Water Technologies Llc Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
AU2015270456C1 (en) 2014-06-05 2020-03-26 Evoqua Water Technologies Llc Filtering panel and method of making the same
BR112017028447B1 (pt) * 2015-07-03 2022-05-31 Gaudfrin Setor de filtragem para um disco de filtragem de um filtro giratório, e filtro giratório equipado com um setor de filtragem
WO2018031884A1 (en) 2016-08-12 2018-02-15 Evoqua Water Technologies Llc Disc filter pre-screen dual media disc filter
WO2018073491A1 (en) * 2016-10-17 2018-04-26 Andritz Oy Screen assembly for pulp digesters and other treatment vessels in pulp production
SE1750701A1 (sv) 2017-06-02 2018-10-23 Nordic Water Prod Ab Filter element for use in a filter disc
CN107227649A (zh) * 2017-06-13 2017-10-03 太仓市宇航造纸机械厂 一种造纸用双层过滤网
US11000791B2 (en) * 2019-03-06 2021-05-11 Veolia Water Solutions & Technologies Support Rotary disc filter having backwash guides
US20220347603A1 (en) * 2021-04-30 2022-11-03 Pall Corporation Filter disk segments

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685085A (en) * 1924-02-01 1928-09-25 United Filters Corp Dewatering apparatus
US2682205A (en) * 1949-06-28 1954-06-29 Bertram J Vincent Screen plate for papermaking machines
GB1275504A (en) * 1969-06-09 1972-05-24 Improved Machinery Inc Filter segment and method for making same
US3679061A (en) * 1970-06-15 1972-07-25 Envirotech Corp Molded filter leaf

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1746409A (en) * 1926-12-06 1930-02-11 Oliver United Filters Inc Filter leaf
US1767078A (en) * 1927-11-29 1930-06-24 Johnson John Screen for filter presses
US2444147A (en) * 1945-03-15 1948-06-29 Air Maze Corp Liquid filter element
US2964194A (en) * 1957-04-17 1960-12-13 Dorr Oliver Inc Filter construction
US3917534A (en) * 1974-04-17 1975-11-04 Plastic Tech Inc Filter sector
FR2375893A1 (fr) * 1976-12-31 1978-07-28 Eurogest Boitier pour filtre a air, et filtre a air equipe d'un tel boitier
US4077887A (en) * 1977-05-17 1978-03-07 Sigmund Coll Langvik Filter disc for vacuum filter system
US4330405A (en) * 1980-09-29 1982-05-18 Davis Kent L Vacuum disc filter
NL8400662A (nl) * 1984-03-01 1985-10-01 Amafilter Bv Schijfvormig filterelement.
SE453158B (sv) * 1985-02-20 1988-01-18 Bjarne Nilsson Skivfilterelement for ett roterbart skivfilter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685085A (en) * 1924-02-01 1928-09-25 United Filters Corp Dewatering apparatus
US2682205A (en) * 1949-06-28 1954-06-29 Bertram J Vincent Screen plate for papermaking machines
GB1275504A (en) * 1969-06-09 1972-05-24 Improved Machinery Inc Filter segment and method for making same
US3679061A (en) * 1970-06-15 1972-07-25 Envirotech Corp Molded filter leaf

Also Published As

Publication number Publication date
ATE54967T1 (de) 1990-08-15
FI880649A (fi) 1988-08-28
EP0280094B1 (de) 1990-07-25
FI85341C (fi) 1992-04-10
DE3706402C1 (de) 1988-07-07
JP2645057B2 (ja) 1997-08-25
EP0280094A2 (de) 1988-08-31
FI85341B (fi) 1991-12-31
DE3860346D1 (de) 1990-08-30
CA1324344C (en) 1993-11-16
US4950403A (en) 1990-08-21
JPS63219691A (ja) 1988-09-13
FI880649A0 (fi) 1988-02-12

Similar Documents

Publication Publication Date Title
EP0280094A3 (en) Filter segment for a filter for thickening a fibrous suspension
IN160331B (de)
DE3486214D1 (de) Herstellungsverfahren von optischen Anordnungen und Halterungen.
DE3760845D1 (en) Filter units having welded cellulose filters
KR880700683A (ko) 접선흐름 친화초 여과 방법
DE3783846T2 (de) Poroeses filterelement und das verfahren seiner herstellung.
DE68921330D1 (de) Transversale und rekursive Filter.
DE69021689T2 (de) LC-Störfilter.
DE3773740D1 (de) Daempfungsglied fuer eine monomodefaser und methode seiner herstellung.
DE69117316D1 (de) Leuchtstofflampe und ihr Herstellungsverfahren
AR244825A1 (es) Procedimiento para el fluido de igualdad de extremos de fibra de celulosa.
DK0544764T3 (da) Aksialsymmetrisk dyse med kardansk ophængt indstillingsring
DE69111335D1 (de) Vliesstoff aus Kohlefasern und dessen Herstellverfahren.
DE3863097D1 (de) Photokathode und ihr herstellungsverfahren.
SE9000571D0 (sv) Roterbart filter, foeretraedesvis foer urvattning av fibermassasuspensioner
ES2022644B3 (es) Cancamo de suspension de hilo doblado.
GB2241765B (en) Suspension strut
DE3869846D1 (de) Realisierungsverfahren von regelbaren programmierbaren filtern, korrespondierende filter und filterbaenke.
FI961801A0 (fi) Monisuodattiminen dynaaminen pesuri
EP0442069A3 (en) Filter candle with filter sock
ES296194U (es) Sector de filtracion destinado a constituir un disco de filtracion
ATA21290A (de) Radaufhaengung
FI890570A0 (fi) Roterande filter med yttre filtratkanaler.
FI862229A0 (fi) Foerfarande och filter foer filtrering av en suspension under tryck.
BR6902547U (pt) Super filtro economico

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT DE FR GB IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT DE FR GB IT SE

17P Request for examination filed

Effective date: 19890321

17Q First examination report despatched

Effective date: 19890803

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE FR GB IT SE

REF Corresponds to:

Ref document number: 54967

Country of ref document: AT

Date of ref document: 19900815

Kind code of ref document: T

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

REF Corresponds to:

Ref document number: 3860346

Country of ref document: DE

Date of ref document: 19900830

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
REG Reference to a national code

Ref country code: GB

Ref legal event code: 727

REG Reference to a national code

Ref country code: GB

Ref legal event code: 727

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: GB

Ref legal event code: 727B

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: SP

ITTA It: last paid annual fee
EAL Se: european patent in force in sweden

Ref document number: 88101672.9

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20050202

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20050207

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20050211

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20050215

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20050324

Year of fee payment: 18

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060205

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060206

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060228

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060901

EUG Se: european patent has lapsed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20060205

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20061031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070205