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FI902968A7 - Siktenhet foer sortering av massor, saerskilt pappersmassa. - Google Patents

Siktenhet foer sortering av massor, saerskilt pappersmassa.

Info

Publication number
FI902968A7
FI902968A7 FI902968A FI902968A FI902968A7 FI 902968 A7 FI902968 A7 FI 902968A7 FI 902968 A FI902968 A FI 902968A FI 902968 A FI902968 A FI 902968A FI 902968 A7 FI902968 A7 FI 902968A7
Authority
FI
Finland
Prior art keywords
siktenhet
papersmassa
saerskilt
massor
foer
Prior art date
Application number
FI902968A
Other languages
English (en)
Other versions
FI902968A0 (fi
Inventor
Hannu Saikkonen
Original Assignee
Sunds Defibrator Jylha 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 Sunds Defibrator Jylha Oy filed Critical Sunds Defibrator Jylha Oy
Priority to FI902968A priority Critical patent/FI902968A7/fi
Publication of FI902968A0 publication Critical patent/FI902968A0/fi
Priority to PCT/FI1991/000147 priority patent/WO1991019852A1/en
Priority to AU77992/91A priority patent/AU7799291A/en
Publication of FI902968A7 publication Critical patent/FI902968A7/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
    • D21D5/023—Stationary screen-drums
    • D21D5/026—Stationary screen-drums with rotating cleaning foils
    • 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
    • B01D29/114—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 arranged for inward flow filtration
    • B01D29/115—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 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
    • B01D29/117—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 arranged for outward flow filtration
    • B01D29/118—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 arranged for outward flow filtration open-ended
    • 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
    • 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
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FI902968A 1990-06-13 1990-06-13 Siktenhet foer sortering av massor, saerskilt pappersmassa. FI902968A7 (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI902968A FI902968A7 (fi) 1990-06-13 1990-06-13 Siktenhet foer sortering av massor, saerskilt pappersmassa.
PCT/FI1991/000147 WO1991019852A1 (en) 1990-06-13 1991-05-09 Screening unit for the screening of pulp, especially paper pulp
AU77992/91A AU7799291A (en) 1990-06-13 1991-05-09 Screening unit for the screening of pulp, especially paper pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI902968A FI902968A7 (fi) 1990-06-13 1990-06-13 Siktenhet foer sortering av massor, saerskilt pappersmassa.

Publications (2)

Publication Number Publication Date
FI902968A0 FI902968A0 (fi) 1990-06-13
FI902968A7 true FI902968A7 (fi) 1991-12-14

Family

ID=8530623

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902968A FI902968A7 (fi) 1990-06-13 1990-06-13 Siktenhet foer sortering av massor, saerskilt pappersmassa.

Country Status (3)

Country Link
AU (1) AU7799291A (fi)
FI (1) FI902968A7 (fi)
WO (1) WO1991019852A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5009774A (en) * 1989-10-30 1991-04-23 Beloit Corporation Pulseless screen
AT408771B (de) * 2000-02-03 2002-03-25 Andritz Ag Maschf Sortierer zur reinigung einer faserstoffsuspension
DE10115298A1 (de) * 2001-03-28 2002-10-17 Voith Paper Patent Gmbh Drucksortierer zum Entfernen von Störstoffen aus einer störstoffhaltigen Papierfasersuspension

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2002382A1 (fi) * 1968-02-22 1969-10-17 Voith
GB1348347A (en) * 1971-08-16 1974-03-13 Burkhardt H H Kurtz H M Apparatus for filtering a fibrous material suspension
FI76851C (fi) * 1987-07-06 1988-12-12 Ahlstroem Oy Foerfarande och anordning foer renhaollning av sil- eller siktyta.
DE3883986D1 (de) * 1988-11-17 1993-10-14 Herco Cff Chiralflow Filter Druckfilterapparat.

Also Published As

Publication number Publication date
WO1991019852A1 (en) 1991-12-26
FI902968A0 (fi) 1990-06-13
AU7799291A (en) 1992-01-07

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SUNDS DEFIBRATOR JYLHAE OY