ATE158355T1 - Siebvorrichtung für faserbrei - Google Patents

Siebvorrichtung für faserbrei

Info

Publication number
ATE158355T1
ATE158355T1 AT93917112T AT93917112T ATE158355T1 AT E158355 T1 ATE158355 T1 AT E158355T1 AT 93917112 T AT93917112 T AT 93917112T AT 93917112 T AT93917112 T AT 93917112T AT E158355 T1 ATE158355 T1 AT E158355T1
Authority
AT
Austria
Prior art keywords
rotor
screening
foil member
collectively
leading edge
Prior art date
Application number
AT93917112T
Other languages
English (en)
Inventor
Douglas L G Young
Oscar Luthi
Original Assignee
Beloit Technologies 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 Beloit Technologies Inc filed Critical Beloit Technologies Inc
Application granted granted Critical
Publication of ATE158355T1 publication Critical patent/ATE158355T1/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
    • 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
    • B01D29/31—Self-supporting filtering elements
    • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
    • B01D29/356—Self-supporting filtering elements arranged for outward 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
    • B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing
    • 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
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/20—Stationary drums with moving interior agitators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/184—Special form, dimension of the openings, pores of the filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis

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)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
AT93917112T 1992-07-13 1993-07-02 Siebvorrichtung für faserbrei ATE158355T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/912,462 US5307939A (en) 1992-07-13 1992-07-13 Screening apparatus for papermaking pulp

Publications (1)

Publication Number Publication Date
ATE158355T1 true ATE158355T1 (de) 1997-10-15

Family

ID=25431965

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93917112T ATE158355T1 (de) 1992-07-13 1993-07-02 Siebvorrichtung für faserbrei

Country Status (10)

Country Link
US (1) US5307939A (de)
EP (1) EP0650542B1 (de)
JP (1) JPH08502325A (de)
AT (1) ATE158355T1 (de)
BR (1) BR9306721A (de)
CA (1) CA2140134C (de)
DE (1) DE69314034T2 (de)
FI (1) FI950124A0 (de)
NO (1) NO305255B1 (de)
WO (1) WO1994001618A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3542594B2 (ja) * 1992-06-20 2004-07-14 ボイト フィンク ファイバー システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディト ゲゼルシャフト 繊維懸濁液用加圧分離装置
US5497886A (en) * 1992-07-13 1996-03-12 Ingersoll-Rand Company Screening apparatus for papermaking pulp
US5566833A (en) * 1995-01-25 1996-10-22 Hermannfinckh Maschinenfabrik Gmbh & Co. Pressure sorter for fiber suspensions as well as a process for the preparation of fiber suspensions
EP1001855A4 (de) * 1997-08-06 2000-11-29 Thermo Black Clawson Inc Verfahren und gerät zum sieben von papierstoff
ITVI980008A1 (it) * 1998-01-22 1999-07-22 Comer Spa Epuratore meccanico perfezionato per sospensioni fibrose
DE19951711A1 (de) * 1999-10-27 2001-05-03 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Fraktionieren einer papierfaserhaltigen Suspension
DE602004005852T2 (de) * 2003-06-04 2007-12-13 FPInnovations, Pointe-Claire Bestimmung von verunreinigungsteilchen in einer wässrigen pulpe
US20050045529A1 (en) * 2003-09-02 2005-03-03 Gl&V Management Hungary Kft Vortex inducing rotor for screening apparatus for papermaking pulp
FI120913B (fi) 2007-09-28 2010-04-30 Andritz Oy Laite massan lajittelemiseksi
US8869989B2 (en) * 2012-12-12 2014-10-28 Ovivo Luxembourg S.Å.R.L. Pulp screen rotor with slurry passages around and through the rotor
AT15802U1 (de) * 2015-06-03 2018-07-15 Voith Patent Gmbh Drucksortierer
AT518213B1 (de) * 2016-02-03 2018-06-15 Andritz Ag Maschf Rotorflügel und sortierer mit rotorflügel
CN108505380A (zh) * 2018-05-30 2018-09-07 山东杰锋机械制造有限公司 低能耗升流式压力筛

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762563A (en) * 1971-02-23 1973-10-02 P Petersen Cylindrical rotary strainer
US4193865A (en) * 1976-03-16 1980-03-18 Oy Tampella Ab Classifying apparatus for a suspension
DE2712715B2 (de) * 1977-03-23 1979-05-23 Hermann Finckh Maschinenfabrik Gmbh & Co, 7417 Pfullingen Sortierer für Fasersuspensionen
FR2410081A1 (fr) * 1977-11-23 1979-06-22 Lamort Ingenieurs Construc E E Appareil pour l'epuration des pates a papier
DE2850385C2 (de) * 1978-11-21 1981-02-05 J.M. Voith Gmbh, 7920 Heidenheim Vorrichtung zum Ausscheiden von Verunreinigungen aus Faserstoffsuspensionen
DE3006482C2 (de) * 1980-02-21 1983-04-14 J.M. Voith Gmbh, 7920 Heidenheim Rotationssortierer
US4374728A (en) * 1981-07-29 1983-02-22 Gauld W Thomas Apparatus for screening fibrous stock
FI67588C (fi) * 1983-01-26 1985-04-10 Ahlstroem Oy Silplaot
US5192438A (en) * 1983-03-07 1993-03-09 A. Ahlstrom Corporation Rotating element for screening apparatus with a contour surface produced by a plurality of protrusions in the direction of the axial length of the rotor
DE3572928D1 (en) * 1984-12-25 1989-10-19 Mitsubishi Heavy Ind Ltd Pressure slit screen
US4855038A (en) * 1985-06-20 1989-08-08 Beloit Corporation High consistency pressure screen and method of separating accepts and rejects
US4749474A (en) * 1986-08-27 1988-06-07 Ingersoll-Rand Company Screening apparatus
FI77279C (fi) * 1987-04-30 1989-02-10 Ahlstroem Oy Foerfarande och anordning foer behandling av fibersuspension.
FI80735B (fi) * 1988-08-04 1990-03-30 Tampella Oy Ab Foerfarande och anordning foer sortering och behandling av massa.
SE464473B (sv) * 1988-11-17 1991-04-29 Sunds Defibrator Ind Ab Silanordning
US4919797A (en) * 1989-02-09 1990-04-24 The Black Clawson Company Screening apparatus for paper making stock
US5172813A (en) * 1989-05-17 1992-12-22 A. Ahlstrom Corporation Method and an apparatus for treating fiber suspension
DE4000248A1 (de) * 1990-01-06 1991-07-11 Emil Holz Rotor fuer drucksortierer zum sortieren von fasersuspensionen
US5059324A (en) * 1990-11-15 1991-10-22 Chen Tzau Ha Centrifugal pulp screen

Also Published As

Publication number Publication date
FI950124A7 (fi) 1995-01-11
DE69314034D1 (de) 1997-10-23
WO1994001618A1 (en) 1994-01-20
CA2140134C (en) 1999-04-27
NO305255B1 (no) 1999-04-26
DE69314034T2 (de) 1998-03-12
EP0650542A1 (de) 1995-05-03
JPH08502325A (ja) 1996-03-12
CA2140134A1 (en) 1994-01-20
FI950124A0 (fi) 1995-01-11
NO950097L (no) 1995-01-10
US5307939A (en) 1994-05-03
EP0650542B1 (de) 1997-09-17
NO950097D0 (no) 1995-01-10
BR9306721A (pt) 1998-12-08

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee