BR8905775A - Processo de estabilizar as condicos de pressao e fluxo num aparelho em peneiramento e aparelho de peneiramento para execucao do mesmo - Google Patents

Processo de estabilizar as condicos de pressao e fluxo num aparelho em peneiramento e aparelho de peneiramento para execucao do mesmo

Info

Publication number
BR8905775A
BR8905775A BR898905775A BR8905775A BR8905775A BR 8905775 A BR8905775 A BR 8905775A BR 898905775 A BR898905775 A BR 898905775A BR 8905775 A BR8905775 A BR 8905775A BR 8905775 A BR8905775 A BR 8905775A
Authority
BR
Brazil
Prior art keywords
screening equipment
stabilizing
execution
pressure
same
Prior art date
Application number
BR898905775A
Other languages
English (en)
Inventor
Finn Jacobsen
Original Assignee
Kamyr Ab
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 Kamyr Ab filed Critical Kamyr Ab
Publication of BR8905775A publication Critical patent/BR8905775A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/0108—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements
    • B01D33/0116—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • General Induction Heating (AREA)
  • Incineration Of Waste (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
BR898905775A 1988-11-11 1989-11-13 Processo de estabilizar as condicos de pressao e fluxo num aparelho em peneiramento e aparelho de peneiramento para execucao do mesmo BR8905775A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8804082A SE462435B (sv) 1988-11-11 1988-11-11 Saett att stabilisera tryck- och floedesfoerhaallandena i en silapparat och silapparat haerfoer

Publications (1)

Publication Number Publication Date
BR8905775A true BR8905775A (pt) 1990-06-12

Family

ID=20373916

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898905775A BR8905775A (pt) 1988-11-11 1989-11-13 Processo de estabilizar as condicos de pressao e fluxo num aparelho em peneiramento e aparelho de peneiramento para execucao do mesmo

Country Status (10)

Country Link
US (2) US5020178A (pt)
JP (1) JP2878339B2 (pt)
AT (1) AT396950B (pt)
BR (1) BR8905775A (pt)
CA (1) CA1318865C (pt)
DE (1) DE3934582A1 (pt)
FI (1) FI94366C (pt)
FR (1) FR2639050B1 (pt)
NO (1) NO172252C (pt)
SE (1) SE462435B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129119A (en) * 1991-04-09 1992-07-14 Glentech Inc. Diffuser efficiency
US5567279A (en) * 1991-04-16 1996-10-22 Ahlstrom Machinery Inc. Variable stage pressure diffuser
US5567262A (en) * 1991-04-16 1996-10-22 Ahlstrom Machinery Inc. Two stage pressure diffuser
US5187956A (en) * 1991-06-20 1993-02-23 Kamyr, Inc. Preventing clogging in pressure diffusers
SE502440C2 (sv) * 1994-02-04 1995-10-16 Kvaerner Pulping Tech Apparat för behandling av massa av cellulosahaltigt fibermaterial med en behandlingsvätska
US5567461A (en) * 1994-05-09 1996-10-22 Robert Lehrer Associates, Inc. Method of treating fluids with a filter
US5444884A (en) * 1994-07-15 1995-08-29 Kamyr, Inc. Controlling screen backflush and wash distribution in a pressure diffuser
SE509152C2 (sv) * 1997-04-07 1998-12-07 Kvaerner Pulping Tech Diffusör med flytkropp
JP5757700B2 (ja) 2009-08-03 2015-07-29 アンドリッツ・テクノロジー・アンド・アセット・マネージメント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング プレッシャーディフューザーの内部ガイド
FI130499B (en) * 2021-03-25 2023-10-10 Metsae Fibre Oy Method and device for treating mixtures of liquids and solids
US20240240401A1 (en) * 2023-01-13 2024-07-18 Andritz Inc. Pressure diffuser lower bearing
CN116446212B (zh) * 2023-06-14 2023-09-01 山西云冈纸业有限公司 一种流浆网前振框筛

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE394822B (sv) * 1975-04-15 1977-07-11 Kamyr Ab Sett och anordning for avvattning av suspensioner i rorelse
SE435400B (sv) * 1980-01-10 1984-09-24 Kamyr Ab Silanordning for avdrag av vetska fran suspensioner i rorelse
FI68686C (fi) * 1980-01-10 1985-10-10 Kamyr Ab Anordning foer behandling av stroemmande suspensioner
ATE16614T1 (de) * 1980-12-31 1985-12-15 Kamyr Ab Verfahren zum regeln eines druckbehaelters zur behandlung von zellstoff.
US4793161A (en) * 1987-11-27 1988-12-27 Kamyr Ab Effective diffuser/thickener screen backflushing
US4908896A (en) * 1987-11-27 1990-03-20 Kamyr Ab Backflushing pressure diffuser screens

Also Published As

Publication number Publication date
AT396950B (de) 1993-12-27
SE462435B (sv) 1990-06-25
FI94366B (fi) 1995-05-15
DE3934582A1 (de) 1990-05-17
FI94366C (fi) 1995-08-25
NO894502L (no) 1990-05-14
JP2878339B2 (ja) 1999-04-05
JPH02216291A (ja) 1990-08-29
FI895280A0 (fi) 1989-11-07
SE8804082L (sv) 1990-05-12
NO172252B (no) 1993-03-15
FR2639050B1 (fr) 1992-11-27
NO172252C (no) 1993-06-23
US5020178A (en) 1991-06-04
US5044179A (en) 1991-09-03
DE3934582C2 (pt) 1992-01-16
ATA246489A (de) 1993-05-15
CA1318865C (en) 1993-06-08
FR2639050A1 (fr) 1990-05-18
SE8804082D0 (sv) 1988-11-11
NO894502D0 (no) 1989-11-10

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 13/11/2004