SE539792C2 - Mixing unit for mixing treatment media in liquid or gaseous state with a fiber suspension and a mixing apparatus comprising such a mixing unit - Google Patents

Mixing unit for mixing treatment media in liquid or gaseous state with a fiber suspension and a mixing apparatus comprising such a mixing unit Download PDF

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Publication number
SE539792C2
SE539792C2 SE1650757A SE1650757A SE539792C2 SE 539792 C2 SE539792 C2 SE 539792C2 SE 1650757 A SE1650757 A SE 1650757A SE 1650757 A SE1650757 A SE 1650757A SE 539792 C2 SE539792 C2 SE 539792C2
Authority
SE
Sweden
Prior art keywords
rotor
mixing
stator
arm
mixing unit
Prior art date
Application number
SE1650757A
Other languages
English (en)
Other versions
SE1650757A1 (sv
Inventor
Ödmark Leif
Löfgren Mikael
Eriksson Niklas
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Priority to SE1650757A priority Critical patent/SE539792C2/sv
Priority to PCT/SE2017/050568 priority patent/WO2017209679A1/en
Publication of SE1650757A1 publication Critical patent/SE1650757A1/sv
Publication of SE539792C2 publication Critical patent/SE539792C2/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2721—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with intermeshing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
    • B01F27/171—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for disintegrating, e.g. for milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2722—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with ribs, ridges or grooves on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B01F27/707—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms the paddles co-operating, e.g. intermeshing, with elements on the receptacle wall
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/342—Mixing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/47—Mixing of ingredients for making paper pulp, e.g. wood fibres or wood pulp
    • 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

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)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (10)

1. _ En mixningsenhet (1)för användning i en mixningsanordning för mixning avbehandlingsmedium i vätske- eller gasfas med en fibersuspension, vilkenanordning innefattar ett hölje vilket definierar en mixningskammare (3),åtminstone ett inlopp (4a, 4b) för inmatning av fibersuspension ochbehandlingsmedium till mixningskammaren, en drivaxel (5) anslutningsbar tillen drivanordning för rotation av drivaxeln under drift, och ett utlopp förutmatning av blandningen av fibersuspension och behandlingsmedium, varvidnämnda mixningsenhet är anpassad att anordnas i nämnda mixningskammare(3) och innefattar: - åtminstone en rotor (7; 107; 207; 307), vilken var och en är anpassad attanslutas till drivaxeln för rotation tillsammans med rotationsaxeln i enrotationsriktning (R), varvid varje rotor innefattar minst en rotorarm (8a-c;108ac; 208a-f; 308a) med radiell utsträckning; och - åtminstone en stator (9; 209; 309), vilken var och en är anordnad axielltintill nämnda åtminstone en rotor, vilken stator innefattar minst enstatorarm (10a-c; 210a-g; 310a) med radiell utsträckning, varvid åtminstone en statorarm och åtminstone en rotorarm är ömsesidigt konfigurerade så, att minst ett parti hos en ledande yta (11a; 111a; 211a) hos nämnda åtminstone en rotorarm passerar en frontyta (12a; 212a) hos enstatorarm med en vinkel (ß) vid rotation av nämnda rotor, kännetecknad av att nämnda rotorarm (8a; 108a; 208a) är vinklad eller krökt i rotationsriktningen så att en radiellt yttre ände hos den ledande ytan (11a; 111a; 211a) är positionerad, sett i rotationsriktningen, framför en inre ände hosden ledande ytan, och/eller av att nämnda minst en statorarm (210a) ärvinklad eller krökt motsatt rotationsriktningen så att en radiellt inre ände hosfrontytan (212a) är positionerad framför en yttre ände hos nämnda frontyta sett i rotationsriktningen. _ Mixningsenhet enligt krav 1, varvid nämnda ledande yta (111a; 211a) och/eller nämnda frontyta (212a) är försedd med minst ett konkavt parti (113a; 213a,214a). Mixningsenhet enligt krav 1, varvid nämnda ledande yta (111a; 211a) ärförsedd med minst ett konkavt parti (113a; 213a). _ Mixningsenhet enligt krav 3, varvid nämnda ledande yta (111a; 211a) är försedd med ett konkavt parti (113a; 213a) som sträcker sig längshuvudsakligen hela rotorarmens längd. Mixningsenhet enligt något av krav 1-4, varvid nämnda frontyta (212a) ärförsedd med minst ett konkavt parti (214a). _ Mixningsenhet enligt krav 5, varvid nämnda frontyta (212a) ärförsedd med minst ett konkavt parti (214a) som sträcker sig längs huvudsakligen helastatorarmens (210a) längd. _ Mixningsenhet enligt något av de föregående kraven, varvid nämnda åtminstone en rotorarm (108a; 308a) ärförsedd med en släpande yta riktad motsatt rotationsriktningen och sidoytor (114a; 314a) vilka ansluter nämndaledande och släpande ytor, varvid åtminstone en av nämnda sidoytor ärförsedd med minst ett spår (115a1-a3; 315a1-a3) som sträcker sig mellan deledande och släpande ytorna. _ Mixningsenhet enligt något av de föregående kraven, varvid nämnda åtminstone en statorarm (310a) är försedd med en bakre yta riktad irotationsriktningen och sidoytor vilka ansluter nämnda frontyta och bakre yta,varvid åtminstone en av nämnda sidoytor är försedd med minst ett spår somsträcker sig mellan frontytan och bakre ytan. Mixningsenhet enligt krav 7 eller 8, varvid nämnda åtminstone en sidoyta(114a; 314a) är försedd med ett flertal spår (115a1-a3; 315a1-a3) fördeladelängs med armens radiella utsträckning. 10.Mixningsenhet enligt något av krav 7-9, varvid minst ett spår (115a1-a3; 11 315a1-a3) är tangentiellt. .Mixningsanordning för mixning av behandlingsmedium i vätske- eller gasfas med en fibersuspension, vilken anordning innefattar - ett hölje vilket definierar en mixningskammare (3); - åtminstone ett inlopp (4a-b) för inmatning av fibersuspension ochbehandlingsmedium till mixningskammaren; - en drivaxel (5) anslutningsbar till en drivanordning för rotation av drivaxelnunder drift; - ett utlopp för utmatning av blandningen av fibersuspension ochbehandlingsmedium, kännetecknad av - en mixningsenhet (1) enligt något av de föregående kraven.
SE1650757A 2016-05-31 2016-05-31 Mixing unit for mixing treatment media in liquid or gaseous state with a fiber suspension and a mixing apparatus comprising such a mixing unit SE539792C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE1650757A SE539792C2 (sv) 2016-05-31 2016-05-31 Mixing unit for mixing treatment media in liquid or gaseous state with a fiber suspension and a mixing apparatus comprising such a mixing unit
PCT/SE2017/050568 WO2017209679A1 (en) 2016-05-31 2017-05-29 Mixing unit for use in a mixing apparatus and a mixing apparatus comprising such a mixing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1650757A SE539792C2 (sv) 2016-05-31 2016-05-31 Mixing unit for mixing treatment media in liquid or gaseous state with a fiber suspension and a mixing apparatus comprising such a mixing unit

Publications (2)

Publication Number Publication Date
SE1650757A1 SE1650757A1 (sv) 2017-12-01
SE539792C2 true SE539792C2 (sv) 2017-12-05

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Application Number Title Priority Date Filing Date
SE1650757A SE539792C2 (sv) 2016-05-31 2016-05-31 Mixing unit for mixing treatment media in liquid or gaseous state with a fiber suspension and a mixing apparatus comprising such a mixing unit

Country Status (2)

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SE (1) SE539792C2 (sv)
WO (1) WO2017209679A1 (sv)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI41894B (sv) * 1963-08-12 1969-12-01 Kamyr Ab
SE536456C2 (sv) * 2011-12-15 2013-11-12 Metso Paper Sweden Ab Blandningsenhet innefattande åtminstone två rotorkroppar föranvändning i en blandningsanordning och en blandningsanordning

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Publication number Publication date
SE1650757A1 (sv) 2017-12-01
WO2017209679A1 (en) 2017-12-07

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