ATE178670T1 - Anlage in einem drucksieb zur trennung der verunreinigungen aus einer in dem sieb eingeführten fasersuspension - Google Patents

Anlage in einem drucksieb zur trennung der verunreinigungen aus einer in dem sieb eingeführten fasersuspension

Info

Publication number
ATE178670T1
ATE178670T1 AT94903906T AT94903906T ATE178670T1 AT E178670 T1 ATE178670 T1 AT E178670T1 AT 94903906 T AT94903906 T AT 94903906T AT 94903906 T AT94903906 T AT 94903906T AT E178670 T1 ATE178670 T1 AT E178670T1
Authority
AT
Austria
Prior art keywords
screen
inlet chamber
fibre suspension
separating impurities
pressure screen
Prior art date
Application number
AT94903906T
Other languages
English (en)
Inventor
Pentti Holopainen
Original Assignee
Valmet 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 Valmet Corp filed Critical Valmet Corp
Application granted granted Critical
Publication of ATE178670T1 publication Critical patent/ATE178670T1/de

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
    • 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
    • B01D29/76—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)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
AT94903906T 1993-01-11 1994-01-05 Anlage in einem drucksieb zur trennung der verunreinigungen aus einer in dem sieb eingeführten fasersuspension ATE178670T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE178670T1 true ATE178670T1 (de) 1999-04-15

Family

ID=8536655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94903906T ATE178670T1 (de) 1993-01-11 1994-01-05 Anlage in einem drucksieb zur trennung der verunreinigungen aus einer in dem sieb eingeführten fasersuspension

Country Status (7)

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

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 (de) * 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
FI91648C (fi) 1994-07-25
WO1994016141A1 (en) 1994-07-21
DE69417763T2 (de) 1999-10-28
FI91648B (fi) 1994-04-15
KR960700378A (ko) 1996-01-20
FI930095A0 (fi) 1993-01-11
EP0726981A1 (de) 1996-08-21
DE69417763D1 (de) 1999-05-12
EP0726981B1 (de) 1999-04-07
AU5817194A (en) 1994-08-15

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties