NO965179L - Fremgangsmåte for tilförsel av reduserende blekemiddel til et höykonsistent papirfiberstoff - Google Patents

Fremgangsmåte for tilförsel av reduserende blekemiddel til et höykonsistent papirfiberstoff

Info

Publication number
NO965179L
NO965179L NO965179A NO965179A NO965179L NO 965179 L NO965179 L NO 965179L NO 965179 A NO965179 A NO 965179A NO 965179 A NO965179 A NO 965179A NO 965179 L NO965179 L NO 965179L
Authority
NO
Norway
Prior art keywords
pulp
processing region
compression
zone
reducing bleach
Prior art date
Application number
NO965179A
Other languages
English (en)
Norwegian (no)
Other versions
NO965179D0 (no
Inventor
Karl Bunz
Hans-Otto Henrich
Herbert Holik
Wolfgang Mannes
Walter Musselmann
Josef Schneid
Volker Niggl
Hans Schnell
Harald Selder
Original Assignee
Voith Sulzer Stoffaufbereitung
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 Voith Sulzer Stoffaufbereitung filed Critical Voith Sulzer Stoffaufbereitung
Publication of NO965179D0 publication Critical patent/NO965179D0/no
Publication of NO965179L publication Critical patent/NO965179L/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71775Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50Mixing liquids with solids
    • B01F23/56Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/271Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/62Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis comprising liquid feeding, e.g. spraying means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1084Bleaching ; Apparatus therefor with reducing compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91Direction of flow or arrangement of feed and discharge openings
    • B01F2025/912Radial flow
    • B01F2025/9121Radial flow from the center to the circumference, i.e. centrifugal flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50Mixing liquids with solids
    • B01F23/57Mixing high-viscosity liquids with solids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/271Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
    • B01F27/2711Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator provided with intermeshing elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
NO965179A 1995-12-08 1996-12-04 Fremgangsmåte for tilförsel av reduserende blekemiddel til et höykonsistent papirfiberstoff NO965179L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19545852A DE19545852A1 (de) 1995-12-08 1995-12-08 Verfahren zur Zugabe von reduzierendem Bleichmittel zu einem hochkonsistenten Papierfaserstoff

Publications (2)

Publication Number Publication Date
NO965179D0 NO965179D0 (no) 1996-12-04
NO965179L true NO965179L (no) 1997-06-09

Family

ID=7779570

Family Applications (1)

Application Number Title Priority Date Filing Date
NO965179A NO965179L (no) 1995-12-08 1996-12-04 Fremgangsmåte for tilförsel av reduserende blekemiddel til et höykonsistent papirfiberstoff

Country Status (4)

Country Link
EP (1) EP0778370B1 (de)
AT (1) ATE216443T1 (de)
DE (2) DE19545852A1 (de)
NO (1) NO965179L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008022355A1 (de) * 2008-05-06 2009-11-19 Axel Wittek Rotor-Stator-System zum Herstellen von Dispersionen
US12521726B2 (en) * 2021-06-18 2026-01-13 Lg Chem, Ltd. Micronizing apparatus for hydrogel of super absorbent polymer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716926A (en) * 1951-01-02 1955-09-06 Jackson And Church Company Apparatus for treating wood pulp
DE3610940A1 (de) * 1986-03-04 1987-09-10 Escher Wyss Gmbh Hochtemperatur-hochkonsistenz-schnellbleiche
AT398991B (de) * 1993-05-24 1995-02-27 Andritz Patentverwaltung Mischer, insbesondere hochleistungsmischer zur verfeinerung von vorzerkleinerten stoffen

Also Published As

Publication number Publication date
DE59609090D1 (de) 2002-05-23
DE19545852A1 (de) 1997-06-12
EP0778370B1 (de) 2002-04-17
ATE216443T1 (de) 2002-05-15
NO965179D0 (no) 1996-12-04
EP0778370A1 (de) 1997-06-11

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application