SE9700452L - Medel för gastätande transport av riven massa - Google Patents

Medel för gastätande transport av riven massa

Info

Publication number
SE9700452L
SE9700452L SE9700452A SE9700452A SE9700452L SE 9700452 L SE9700452 L SE 9700452L SE 9700452 A SE9700452 A SE 9700452A SE 9700452 A SE9700452 A SE 9700452A SE 9700452 L SE9700452 L SE 9700452L
Authority
SE
Sweden
Prior art keywords
passageway
gas
inlet
pulp
downstream
Prior art date
Application number
SE9700452A
Other languages
English (en)
Swedish (sv)
Other versions
SE9700452D0 (sv
Inventor
Lewis D Shackford
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
Publication of SE9700452L publication Critical patent/SE9700452L/xx
Publication of SE9700452D0 publication Critical patent/SE9700452D0/xx

Links

Classifications

    • 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
    • D21C7/06—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Screw Conveyors (AREA)
SE9700452A 1994-08-11 1997-02-10 Medel för gastätande transport av riven massa SE9700452D0 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28884594A 1994-08-11 1994-08-11
PCT/US1995/010391 WO1996005365A1 (fr) 1994-08-11 1995-08-08 Systeme d'acheminement etanche au gaz de pate de cellulose dechiquetee

Publications (2)

Publication Number Publication Date
SE9700452L true SE9700452L (sv) 1997-02-10
SE9700452D0 SE9700452D0 (sv) 1997-02-10

Family

ID=23108909

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700452A SE9700452D0 (sv) 1994-08-11 1997-02-10 Medel för gastätande transport av riven massa

Country Status (6)

Country Link
US (1) US6210532B1 (fr)
JP (1) JP2896812B2 (fr)
CA (1) CA2197190A1 (fr)
FI (1) FI970562A0 (fr)
SE (1) SE9700452D0 (fr)
WO (1) WO1996005365A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325892B1 (en) 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride
SE514416C2 (sv) * 1999-06-10 2001-02-19 Valmet Fibertech Ab Metod och system för gastät inmatning av massa till en reaktor för ozonblekning
SE520707C2 (sv) 2001-12-05 2003-08-12 Metso Paper Inc Metod och system för behandling av massa vid ozonblekning
SE542996C2 (en) * 2018-02-09 2020-09-22 Valmet Oy A system for transporting biomass material and a method for preventing blow back in said system

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089992A (en) * 1932-03-14 1937-08-17 Int Paper Co Continuous bleaching process and apparatus
US2829049A (en) * 1954-02-08 1958-04-01 Hercules Powder Co Ltd Method for the disintegration of cellulose-bearing material
US2882967A (en) * 1954-10-06 1959-04-21 Pandia Inc Digesting apparatus discharge valve assembly
US2938824A (en) * 1957-01-22 1960-05-31 Kamyr Ab Digestion apparatus and method
US3841465A (en) * 1972-03-06 1974-10-15 Awt Systems Inc Solids feed to a pressurized reactor
US3814664A (en) 1972-09-11 1974-06-04 Improved Machinery Inc Gaseous reaction apparatus including a peripheral gas receiving chamber
DE2714993C3 (de) 1977-01-24 1979-08-16 Stake Technology Ltd., Ottawa Verfahren zum Einbringen eines Fasermaterials in einen Druckbehälter
SE419875B (sv) * 1978-02-10 1981-08-31 Mo Och Domsjoe Ab Forfarande anordning for att med roterbar, med rivorgan forsedd mothallsanordning sonderdelad fibrost cellulosamateial
SE451149B (sv) * 1983-01-26 1987-09-07 Mo Och Domsjoe Ab Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre
FR2585385B1 (fr) 1985-07-26 1987-10-30 Lamort E & M Procede et appareillage de preparation et triage primaire de pate a papier
FR2620744A1 (fr) * 1987-09-17 1989-03-24 Degremont Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede
US5188708A (en) 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5211811A (en) 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5181989A (en) 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
IT1236039B (it) 1989-10-23 1992-12-22 Sodibo Spa Gruppo di riscaldamento controllato per l'estrazione del solvente da fanghi per distillazione,in particolare per macchine lavasecco.
US5164043A (en) 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5174861A (en) 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
EP0492040A1 (fr) * 1990-12-21 1992-07-01 Kamyr, Inc. Réacteur rotatif à ozone pour pâte à papier
CA2046717A1 (fr) 1991-02-06 1992-08-07 Beloit Technologies, Inc. Methode de traitement de matieres fibreuses au moyen d'un reactif gazeux et appareil connexe
US5087326A (en) * 1991-02-20 1992-02-11 Union Camp Patent Holding, Inc. Rotating pulp bleaching reactor having inner and outer shells and lifting means on the interior surface of the inner shell

Also Published As

Publication number Publication date
FI970562A (fi) 1997-02-10
JP2896812B2 (ja) 1999-05-31
JPH09508678A (ja) 1997-09-02
US6210532B1 (en) 2001-04-03
WO1996005365A1 (fr) 1996-02-22
SE9700452D0 (sv) 1997-02-10
FI970562A0 (fi) 1997-02-10
CA2197190A1 (fr) 1996-02-22

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