FI930095A0 - Sovitelma painelajittimessa epäpuhtauksien erottamiseksi siihen syötettävästä kuitumassasta - Google Patents

Sovitelma painelajittimessa epäpuhtauksien erottamiseksi siihen syötettävästä kuitumassasta

Info

Publication number
FI930095A0
FI930095A0 FI930095A FI930095A FI930095A0 FI 930095 A0 FI930095 A0 FI 930095A0 FI 930095 A FI930095 A FI 930095A FI 930095 A FI930095 A FI 930095A FI 930095 A0 FI930095 A0 FI 930095A0
Authority
FI
Finland
Prior art keywords
inlet chamber
fibre suspension
arrangement
fed
separating impurities
Prior art date
Application number
FI930095A
Other languages
English (en)
Swedish (sv)
Other versions
FI91648C (fi
FI91648B (fi
Inventor
Pentti Holopainen
Original Assignee
Tampella Oy Valmet
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 Tampella Oy Valmet filed Critical Tampella Oy Valmet
Priority to FI930095A priority Critical patent/FI91648C/fi
Publication of FI930095A0 publication Critical patent/FI930095A0/fi
Priority to EP94903906A priority patent/EP0726981B1/en
Priority to KR1019950702758A priority patent/KR960700378A/ko
Priority to AU58171/94A priority patent/AU5817194A/en
Priority to DE69417763T priority patent/DE69417763T2/de
Priority to AT94903906T priority patent/ATE178670T1/de
Priority to PCT/FI1994/000005 priority patent/WO1994016141A1/en
Application granted granted Critical
Publication of FI91648B publication Critical patent/FI91648B/fi
Publication of FI91648C publication Critical patent/FI91648C/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
    • 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
    • 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
    • B01D29/76—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
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/908—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding provoking a tangential stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • B01D36/045—Combination of filters with centrifugal separation devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
FI930095A 1993-01-11 1993-01-11 Sovitelma painelajittimessa epäpuhtauksien erottamiseksi siihen syötettävästä kuitumassasta FI91648C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI930095A FI91648C (fi) 1993-01-11 1993-01-11 Sovitelma painelajittimessa epäpuhtauksien erottamiseksi siihen syötettävästä kuitumassasta
EP94903906A EP0726981B1 (en) 1993-01-11 1994-01-05 Arrangement in a pressure screen for separating impurities from a fibre suspension fed into the screen
KR1019950702758A KR960700378A (ko) 1993-01-11 1994-01-05 여과막으로 유입되는 섬유 부유물로부터 불순물을 분리하는 장치
AU58171/94A AU5817194A (en) 1993-01-11 1994-01-05 Arrangement in a pressure screen for separating impurities from a fibre suspension fed into the screen
DE69417763T DE69417763T2 (de) 1993-01-11 1994-01-05 Anlage in einem drucksieb zur trennung der verunreinigungen aus einer in dem sieb eingeführten fasersuspension
AT94903906T ATE178670T1 (de) 1993-01-11 1994-01-05 Anlage in einem drucksieb zur trennung der verunreinigungen aus einer in dem sieb eingeführten fasersuspension
PCT/FI1994/000005 WO1994016141A1 (en) 1993-01-11 1994-01-05 Arrangement in a pressure screen for separating impurities from a fibre suspension fed into the screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI930095 1993-01-11
FI930095A FI91648C (fi) 1993-01-11 1993-01-11 Sovitelma painelajittimessa epäpuhtauksien erottamiseksi siihen syötettävästä kuitumassasta

Publications (3)

Publication Number Publication Date
FI930095A0 true FI930095A0 (fi) 1993-01-11
FI91648B FI91648B (fi) 1994-04-15
FI91648C FI91648C (fi) 1994-07-25

Family

ID=8536655

Family Applications (1)

Application Number Title Priority Date Filing Date
FI930095A FI91648C (fi) 1993-01-11 1993-01-11 Sovitelma painelajittimessa epäpuhtauksien erottamiseksi siihen syötettävästä kuitumassasta

Country Status (7)

Country Link
EP (1) EP0726981B1 (fi)
KR (1) KR960700378A (fi)
AT (1) ATE178670T1 (fi)
AU (1) AU5817194A (fi)
DE (1) DE69417763T2 (fi)
FI (1) FI91648C (fi)
WO (1) WO1994016141A1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE511483C2 (sv) 1998-02-04 1999-10-04 Sunds Defibrator Ind Ab Trycksil med skrotavskiljning
AT408772B (de) * 2000-02-03 2002-03-25 Andritz Ag Maschf Sortierer zur reinigung einer faserstoffsuspension
DE10060822B4 (de) 2000-12-07 2006-04-27 Voith Paper Patent Gmbh Drucksortierer zum Entfernen von Störstoffen aus einer störstoffhaltigen Papierfasersuspension
DE10233364C1 (de) * 2002-07-23 2003-12-24 Voith Paper Patent Gmbh Drucksortierer zum Sieben einer Faserstoffsuspension
AT414017B (de) * 2004-07-08 2006-08-15 Avl List Gmbh Brennkraftmaschine
ITVI20040230A1 (it) * 2004-09-29 2004-12-29 Comer Spa Epuratore perfezionato per la depurazione di sospensioni fibrose
FI129649B (fi) * 2019-01-31 2022-06-15 Valmet Technologies Oy Lajittelulaite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294980A (fi) * 1970-05-11 1972-11-01
US3933649A (en) * 1971-03-01 1976-01-20 Ahlfors S E E Apparatus for purifying and fractionating particle suspensions
US4268381A (en) * 1979-05-03 1981-05-19 Uniweld Inc. Rotary pulp screening device of the vertical pressure type
FI67589C (fi) * 1983-10-25 1985-04-10 Ahlstroem Oy Sorterare med separering av laett rejekt

Also Published As

Publication number Publication date
DE69417763T2 (de) 1999-10-28
ATE178670T1 (de) 1999-04-15
KR960700378A (ko) 1996-01-20
WO1994016141A1 (en) 1994-07-21
EP0726981A1 (en) 1996-08-21
FI91648C (fi) 1994-07-25
EP0726981B1 (en) 1999-04-07
AU5817194A (en) 1994-08-15
DE69417763D1 (de) 1999-05-12
FI91648B (fi) 1994-04-15

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Legal Events

Date Code Title Description
BB Publication of examined application
PC Transfer of assignment of patent

Owner name: VALMET CORPORATION

TC Name/ company changed in patent

Owner name: VALMET CORPORATION