DE3787089D1 - Verfahren und vorrichtung zum eindicken einer faseraufschwemmung. - Google Patents

Verfahren und vorrichtung zum eindicken einer faseraufschwemmung.

Info

Publication number
DE3787089D1
DE3787089D1 DE8787118550T DE3787089T DE3787089D1 DE 3787089 D1 DE3787089 D1 DE 3787089D1 DE 8787118550 T DE8787118550 T DE 8787118550T DE 3787089 T DE3787089 T DE 3787089T DE 3787089 D1 DE3787089 D1 DE 3787089D1
Authority
DE
Germany
Prior art keywords
pulp
perforations
thickening
screen
channels
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.)
Expired - Fee Related
Application number
DE8787118550T
Other languages
English (en)
Other versions
DE3787089T2 (de
Inventor
Kaj Henricson
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.)
Ahlstrom Corp
Original Assignee
Ahlstrom Corp
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 Ahlstrom Corp filed Critical Ahlstrom Corp
Application granted granted Critical
Publication of DE3787089D1 publication Critical patent/DE3787089D1/de
Publication of DE3787089T2 publication Critical patent/DE3787089T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/17—Supported filter elements arranged for inward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B01D29/25—Supported filter elements arranged for outward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Food-Manufacturing Devices (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Filtration Of Liquid (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Bridges Or Land Bridges (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
DE87118550T 1986-12-17 1987-12-15 Verfahren und Vorrichtung zum Eindicken einer Faseraufschwemmung. Expired - Fee Related DE3787089T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI865136A FI81137B (fi) 1986-12-17 1986-12-17 Foerfarande och anordning foer urvattning av fibersuspensioner.

Publications (2)

Publication Number Publication Date
DE3787089D1 true DE3787089D1 (de) 1993-09-23
DE3787089T2 DE3787089T2 (de) 1994-01-05

Family

ID=8523668

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87118550T Expired - Fee Related DE3787089T2 (de) 1986-12-17 1987-12-15 Verfahren und Vorrichtung zum Eindicken einer Faseraufschwemmung.

Country Status (8)

Country Link
US (1) US4904395A (de)
EP (1) EP0274690B1 (de)
JP (1) JPH0826518B2 (de)
AT (1) ATE93287T1 (de)
CA (1) CA1313324C (de)
DE (1) DE3787089T2 (de)
FI (1) FI81137B (de)
SU (1) SU1732819A3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2669192A (en) * 1991-09-26 1993-04-27 Sunds Defibrator Industries Ab An arrangement and a method for concentrating a suspension
SE470444B (sv) * 1992-08-18 1994-03-28 Sunds Defibrator Ind Ab Avvattningsanordning innefattande vertikala rörledningar
FI112385B (fi) * 1998-09-23 2003-11-28 Andritz Oy Menetelmä ja laite massan käsittelemiseksi
EP1140330B1 (de) * 1998-11-23 2005-04-06 Zenon Environmental Inc. Wasserfiltration mittels unterwassermembranen
US20040007527A1 (en) * 1998-11-23 2004-01-15 Zenon Environmental Inc. Membrane filtration device and process
US20010052494A1 (en) * 1999-10-25 2001-12-20 Pierre Cote Chemical cleaning backwash for normally immersed membranes
US20050194315A1 (en) * 2004-02-27 2005-09-08 Adams Nicholas W.H. Membrane batch filtration process
US20060118487A1 (en) * 2004-12-07 2006-06-08 Adams Nicholas W H Membrane filtration process

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU59828A1 (ru) * 1939-05-31 1940-11-30 П.В. Хвиюзов Аппарат дл сгущени суспензий
DE1142562B (de) * 1960-04-22 1963-01-24 Stamicarbon Abscherklassierer
US3939075A (en) * 1970-10-19 1976-02-17 The Bauer Bros. Co. Thickening apparatus
SU516210A1 (ru) * 1974-01-16 1976-05-30 Предприятие П/Я Р-6429 Фотошаблон
US4096060A (en) * 1974-09-16 1978-06-20 Fairchild Incorporated Method utilizing plug flow for separating solids from liquid
SE394821B (sv) * 1975-04-15 1977-07-11 Kamyr Ab Sett och anordning for avvattning av suspensioner i rorelse
SE415202B (sv) * 1976-12-06 1980-09-15 Sunds Ab Anordning for koncentrering och/eller vetskebehandling av vetskehaltiga emnesblandningar
US4136035A (en) * 1977-07-26 1979-01-23 Bogomolov Boris N Apparatus for dehydration of continuously fed flow of suspension
GB2009274B (en) * 1977-09-28 1982-11-24 Reed International Ltd Process and apparatus for washing fibre stock in the de-inking of paper
SE435400B (sv) * 1980-01-10 1984-09-24 Kamyr Ab Silanordning for avdrag av vetska fran suspensioner i rorelse
JPH0669530B2 (ja) * 1983-03-10 1994-09-07 シー．ピー．シー．エンジニアリング コーポレイション クロスフロ−濾過システムの流束率を向上せしめる方法並びに装置

Also Published As

Publication number Publication date
JPH0826518B2 (ja) 1996-03-13
EP0274690B1 (de) 1993-08-18
FI865136A (fi) 1988-06-18
DE3787089T2 (de) 1994-01-05
JPS63227883A (ja) 1988-09-22
CA1313324C (en) 1993-02-02
FI865136A0 (fi) 1986-12-17
US4904395A (en) 1990-02-27
FI81137B (fi) 1990-05-31
EP0274690A1 (de) 1988-07-20
ATE93287T1 (de) 1993-09-15
SU1732819A3 (ru) 1992-05-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee