BR9306721A - Aparelho de peneirar polpa para produção de papel - Google Patents

Aparelho de peneirar polpa para produção de papel

Info

Publication number
BR9306721A
BR9306721A BR9306721A BR9306721A BR9306721A BR 9306721 A BR9306721 A BR 9306721A BR 9306721 A BR9306721 A BR 9306721A BR 9306721 A BR9306721 A BR 9306721A BR 9306721 A BR9306721 A BR 9306721A
Authority
BR
Brazil
Prior art keywords
rotor
screening
foil member
collectively
leading edge
Prior art date
Application number
BR9306721A
Other languages
English (en)
Inventor
Douglas L G Young
Oscar Luthi
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of BR9306721A publication Critical patent/BR9306721A/pt

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)
BR9306721A 1992-07-13 1993-07-02 Aparelho de peneirar polpa para produção de papel BR9306721A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/912,462 US5307939A (en) 1992-07-13 1992-07-13 Screening apparatus for papermaking pulp
PCT/US1993/006536 WO1994001618A1 (en) 1992-07-13 1993-07-02 Screening apparatus for papermaking pulp

Publications (1)

Publication Number Publication Date
BR9306721A true BR9306721A (pt) 1998-12-08

Family

ID=25431965

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9306721A BR9306721A (pt) 1992-07-13 1993-07-02 Aparelho de peneirar polpa para produção de papel

Country Status (10)

Country Link
US (1) US5307939A (pt)
EP (1) EP0650542B1 (pt)
JP (1) JPH08502325A (pt)
AT (1) ATE158355T1 (pt)
BR (1) BR9306721A (pt)
CA (1) CA2140134C (pt)
DE (1) DE69314034T2 (pt)
FI (1) FI950124A (pt)
NO (1) NO305255B1 (pt)
WO (1) WO1994001618A1 (pt)

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
CA2297744A1 (en) * 1997-08-06 1999-02-18 Peter Seifert Paper stock screening apparatus and method
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
EP1629276B1 (en) * 2003-06-04 2007-04-11 Pulp and Paper Research Institute of Canada Determination of contaminant particles in an aqueous pulp
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
CN209033766U (zh) * 2015-06-03 2019-06-28 福伊特专利有限公司 压力筛
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
FI950124A0 (fi) 1995-01-11
DE69314034T2 (de) 1998-03-12
CA2140134C (en) 1999-04-27
US5307939A (en) 1994-05-03
EP0650542B1 (en) 1997-09-17
JPH08502325A (ja) 1996-03-12
CA2140134A1 (en) 1994-01-20
FI950124A (fi) 1995-01-11
NO305255B1 (no) 1999-04-26
WO1994001618A1 (en) 1994-01-20
ATE158355T1 (de) 1997-10-15
DE69314034D1 (de) 1997-10-23
NO950097D0 (no) 1995-01-10
NO950097L (no) 1995-01-10
EP0650542A1 (en) 1995-05-03

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Legal Events

Date Code Title Description
PC Transfer

Free format text: BELOIT TECHNOLOGIES, INC. (US)

FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HHFF Decision: republication
FG9A Patent or certificate of addition granted
B25G Requested change of headquarter approved

Owner name: BELOIT TECHNOLOGIES, INC. (US)

Free format text: SEDE ALTERADA CONFORME SOLICITADO NA PETICAO NO 020040009508/RJ DE 16/11/2004.

B25A Requested transfer of rights approved

Owner name: GL AND V MANAGEMENT HUNGARY KFT (HU)

Free format text: TRANSFERIDO DE: BELOIT TECHNOLOGIES, INC.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 02/07/2013