DE69206033D1 - Zweistufiger Druckdiffusor. - Google Patents

Zweistufiger Druckdiffusor.

Info

Publication number
DE69206033D1
DE69206033D1 DE69206033T DE69206033T DE69206033D1 DE 69206033 D1 DE69206033 D1 DE 69206033D1 DE 69206033 T DE69206033 T DE 69206033T DE 69206033 T DE69206033 T DE 69206033T DE 69206033 D1 DE69206033 D1 DE 69206033D1
Authority
DE
Germany
Prior art keywords
vessel
liquid
stage
pressure diffuser
subvolumes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69206033T
Other languages
English (en)
Other versions
DE69206033T2 (de
Inventor
Joseph R Phillips
John Weston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kamyr Inc
Original Assignee
Kamyr 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 Kamyr Inc filed Critical Kamyr Inc
Publication of DE69206033D1 publication Critical patent/DE69206033D1/de
Application granted granted Critical
Publication of DE69206033T2 publication Critical patent/DE69206033T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/40—Washing the fibres
    • 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
    • D21C7/00—Digesters
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Treating Waste Gases (AREA)
  • Surface Heating Bodies (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Lasers (AREA)
DE69206033T 1991-04-16 1992-04-10 Zweistufiger Druckdiffusor. Expired - Fee Related DE69206033T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/685,400 US5567262A (en) 1991-04-16 1991-04-16 Two stage pressure diffuser

Publications (2)

Publication Number Publication Date
DE69206033D1 true DE69206033D1 (de) 1995-12-21
DE69206033T2 DE69206033T2 (de) 1996-07-25

Family

ID=24752047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69206033T Expired - Fee Related DE69206033T2 (de) 1991-04-16 1992-04-10 Zweistufiger Druckdiffusor.

Country Status (12)

Country Link
US (1) US5567262A (de)
EP (1) EP0509981B1 (de)
JP (1) JPH05117987A (de)
AT (1) ATE130389T1 (de)
AU (1) AU1486392A (de)
BR (1) BR9201399A (de)
DE (1) DE69206033T2 (de)
ES (1) ES2081603T3 (de)
FI (1) FI921517A (de)
MX (1) MX9201692A (de)
NO (1) NO921510L (de)
ZA (1) ZA922683B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93232C (fi) * 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
US6010594A (en) * 1993-03-03 2000-01-04 Ahlstrom Machinery Corporation Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage
FI945783A (fi) * 1994-12-08 1996-06-09 Ahlstroem Oy Menetelmä pesun tehostamiseksi
US5690341A (en) * 1996-06-17 1997-11-25 Ahlstrom Machinery Inc. Method and apparatus for the facilitating the servicing of drive-shaft assemblies for pressurized vessels
SE9901668A0 (en) * 1998-05-07 2000-11-07 J Robert Prough Plate diffuser for treating comminuted cellulosic fibrous material
FI112957B (fi) 1999-07-21 2004-02-13 Metso Paper Pori Oy Menetelmä ja laite massan pesemiseksi
US20030217822A1 (en) * 2002-05-24 2003-11-27 John Weston Pressure diffuser having gas vent for cooking liquor
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
US8888958B2 (en) * 2012-12-31 2014-11-18 Andritz Inc. Pressure diffuser with an annular baffle screen plate over water inlet
US20240240401A1 (en) * 2023-01-13 2024-07-18 Andritz Inc. Pressure diffuser lower bearing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807202A (en) * 1969-09-30 1974-04-30 K Gunkel Continuous washing apparatus for pulp stock and the like
US3815386A (en) * 1971-02-02 1974-06-11 Kamyr Ab Device for bleaching of cellulosic pulp
SE415202B (sv) * 1976-12-06 1980-09-15 Sunds Ab Anordning for koncentrering och/eller vetskebehandling av vetskehaltiga emnesblandningar
US4547264A (en) * 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
US4375410A (en) * 1979-04-25 1983-03-01 Kamyr Ab Reciprocating diffuser arrangements in an elongated vessel
FI68686C (fi) * 1980-01-10 1985-10-10 Kamyr Ab Anordning foer behandling av stroemmande suspensioner
US4556494A (en) * 1980-12-04 1985-12-03 Kamyr Aktiebolag Method of diffusion washing or thickening of pulp
US4752403A (en) * 1987-04-01 1988-06-21 Allred Jack D Water recovery device
US4908896A (en) * 1987-11-27 1990-03-20 Kamyr Ab Backflushing pressure diffuser screens
SE462435B (sv) * 1988-11-11 1990-06-25 Kamyr Ab Saett att stabilisera tryck- och floedesfoerhaallandena i en silapparat och silapparat haerfoer

Also Published As

Publication number Publication date
FI921517A0 (fi) 1992-04-07
JPH05117987A (ja) 1993-05-14
FI921517A (fi) 1992-10-17
EP0509981A1 (de) 1992-10-21
ES2081603T3 (es) 1996-03-16
NO921510L (no) 1992-10-19
AU1486392A (en) 1992-10-22
ATE130389T1 (de) 1995-12-15
US5567262A (en) 1996-10-22
BR9201399A (pt) 1992-12-01
DE69206033T2 (de) 1996-07-25
NO921510D0 (no) 1992-04-15
EP0509981B1 (de) 1995-11-15
MX9201692A (es) 1992-11-01
ZA922683B (en) 1992-11-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee