FI915868A0 - Foerfarande och anordning foer behandling av cellulosahaltigt fibermaterial. - Google Patents

Foerfarande och anordning foer behandling av cellulosahaltigt fibermaterial.

Info

Publication number
FI915868A0
FI915868A0 FI915868A FI915868A FI915868A0 FI 915868 A0 FI915868 A0 FI 915868A0 FI 915868 A FI915868 A FI 915868A FI 915868 A FI915868 A FI 915868A FI 915868 A0 FI915868 A0 FI 915868A0
Authority
FI
Finland
Prior art keywords
cellulosahaltigt
fibermaterial
anordning foer
och anordning
foerfarande och
Prior art date
Application number
FI915868A
Other languages
English (en)
Other versions
FI915868A (fi
Inventor
Joseph R Phillips
J Robert Prough
Victor Bilodeau
Brian Greenwood
Ronald Bain
John Weston
Original Assignee
Kamyr Inc
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 Inc filed Critical Kamyr Inc
Publication of FI915868A0 publication Critical patent/FI915868A0/fi
Publication of FI915868A publication Critical patent/FI915868A/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • 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
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/0108—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements
    • B01D33/0116—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements arranged for inward flow filtration
    • 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
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/0108—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements
    • B01D33/0133—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements arranged for outward flow filtration
    • 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
    • B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
    • B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
    • B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
    • 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
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/40—Washing the fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Filtration Of Liquid (AREA)
FI915868A 1990-12-17 1991-12-13 Foerfarande och anordning foer behandling av cellulosahaltigt fibermaterial. FI915868A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/628,090 US5116476A (en) 1990-12-17 1990-12-17 Atmospheric diffuser improved lower screens backflushing

Publications (2)

Publication Number Publication Date
FI915868A0 true FI915868A0 (fi) 1991-12-13
FI915868A FI915868A (fi) 1992-06-18

Family

ID=24517427

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915868A FI915868A (fi) 1990-12-17 1991-12-13 Foerfarande och anordning foer behandling av cellulosahaltigt fibermaterial.

Country Status (9)

Country Link
US (1) US5116476A (fi)
EP (1) EP0491111A1 (fi)
JP (1) JPH04263685A (fi)
AU (1) AU638337B2 (fi)
BR (1) BR9102788A (fi)
CA (1) CA2045005A1 (fi)
FI (1) FI915868A (fi)
NO (1) NO913782L (fi)
ZA (1) ZA915053B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444884A (en) * 1994-07-15 1995-08-29 Kamyr, Inc. Controlling screen backflush and wash distribution in a pressure diffuser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627979A (en) * 1950-01-30 1953-02-10 C M Ambrose Company Strainer mechanism for liquids
US3815386A (en) * 1971-02-02 1974-06-11 Kamyr Ab Device for bleaching of cellulosic pulp
US4172037A (en) * 1975-10-10 1979-10-23 Kamyr Inc. Continuous process diffuser
NO153677C (no) * 1981-06-01 1986-05-07 Mueller Drm Ag Filterelement.
US4971694A (en) * 1989-01-05 1990-11-20 Kamyr Ab Double diffuser with backflush pistons

Also Published As

Publication number Publication date
FI915868A (fi) 1992-06-18
NO913782L (no) 1992-06-18
EP0491111A1 (en) 1992-06-24
US5116476A (en) 1992-05-26
AU638337B2 (en) 1993-06-24
BR9102788A (pt) 1992-08-04
AU7920591A (en) 1992-06-18
ZA915053B (en) 1992-03-25
JPH04263685A (ja) 1992-09-18
CA2045005A1 (en) 1992-06-18
NO913782D0 (no) 1991-09-26

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