CA952044A - Screening device in cellulose digesters - Google Patents

Screening device in cellulose digesters

Info

Publication number
CA952044A
CA952044A CA105,090A CA105090A CA952044A CA 952044 A CA952044 A CA 952044A CA 105090 A CA105090 A CA 105090A CA 952044 A CA952044 A CA 952044A
Authority
CA
Canada
Prior art keywords
screening device
digesters
cellulose
cellulose digesters
screening
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
Application number
CA105,090A
Other languages
English (en)
Other versions
CA105090S (en
Inventor
Per T. Christenson
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.)
Metso Fiber Karlstad AB
Original Assignee
Kamyr 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 Kamyr AB filed Critical Kamyr AB
Application granted granted Critical
Publication of CA952044A publication Critical patent/CA952044A/en
Expired 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
    • D21C7/00—Digesters
    • 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
    • B01D29/31—Self-supporting filtering elements
    • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/46—Several filtrate discharge conduits each connected to one filter element or group of filter elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Filtration Of Liquid (AREA)
CA105,090A 1970-02-11 1971-02-11 Screening device in cellulose digesters Expired CA952044A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE01734/70A SE357219B (pm) 1970-02-11 1970-02-11

Publications (1)

Publication Number Publication Date
CA952044A true CA952044A (en) 1974-07-30

Family

ID=20258737

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105,090A Expired CA952044A (en) 1970-02-11 1971-02-11 Screening device in cellulose digesters

Country Status (10)

Country Link
US (1) US3711367A (pm)
JP (1) JPS512961B1 (pm)
BR (1) BR7100948D0 (pm)
CA (1) CA952044A (pm)
DE (1) DE2106316C3 (pm)
FI (1) FI54158C (pm)
FR (1) FR2078490A5 (pm)
NO (1) NO130195B (pm)
SE (1) SE357219B (pm)
ZA (1) ZA71822B (pm)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061193A (en) * 1975-09-15 1977-12-06 Kamyr, Inc. Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top
SU591539A1 (ru) * 1975-10-03 1978-02-05 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Установка дл обработки лигноцеллюлозного материала
US4547264A (en) * 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
JPS57151510U (pm) * 1981-03-18 1982-09-22
US4637878A (en) * 1982-03-09 1987-01-20 Kamyr Aktiebolag Reciprocal movable screens in a vertically elongated vessel
SE451605B (sv) * 1983-06-27 1987-10-19 Mo Och Domsjoe Ab Forfarande och anordning for forbehandling av lignocellulosamaterial
US4568419A (en) * 1984-02-27 1986-02-04 Laakso Oliver A Method of treating comminuted cellulosic fibrous material in a vertical vessel
FI841903L (fi) * 1984-05-11 1985-11-12 Rauma-Repola Oy Foerfarande foer separering av gaser och extraktaemnen av kokvaetska av cellulosa.
JPS6251219U (pm) * 1985-09-20 1987-03-30
US5236554A (en) * 1991-08-16 1993-08-17 Kamyr, Inc. Digester having plural screens with means for controlling liquid injection and withdrawal
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
US5536367A (en) * 1995-01-25 1996-07-16 Salminen; Reijo K. Pulp digester cleaning system
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US6120647A (en) * 1998-01-26 2000-09-19 Ahlstrom Machinery Inc. Simplified liquid removal system for a cellulose pulp digester
US6165323A (en) * 1999-02-10 2000-12-26 Andritz-Ahlstrom Inc. Screen plate having a plurality of inclined slots in a digester
FR2909895B1 (fr) * 2006-12-14 2009-04-03 Nexter Munitions Sa Dispositif de filtration pour effluents.
SE541978C2 (en) 2018-03-13 2020-01-14 Valmet Oy Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system
UY39227A (es) * 2020-05-22 2021-12-31 Suzano Sa Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft

Also Published As

Publication number Publication date
DE2106316A1 (de) 1971-08-19
DE2106316C3 (de) 1974-07-04
US3711367A (en) 1973-01-16
FI54158B (fi) 1978-06-30
FI54158C (fi) 1978-10-10
JPS512961B1 (pm) 1976-01-30
SE357219B (pm) 1973-06-18
NO130195B (pm) 1974-07-22
DE2106316B2 (de) 1973-11-29
BR7100948D0 (pt) 1973-05-03
ZA71822B (en) 1972-02-23
FR2078490A5 (pm) 1971-11-05

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