EP3874089A4 - Mixer for mixing chemicals into pulp - Google Patents

Mixer for mixing chemicals into pulp Download PDF

Info

Publication number
EP3874089A4
EP3874089A4 EP19877758.3A EP19877758A EP3874089A4 EP 3874089 A4 EP3874089 A4 EP 3874089A4 EP 19877758 A EP19877758 A EP 19877758A EP 3874089 A4 EP3874089 A4 EP 3874089A4
Authority
EP
European Patent Office
Prior art keywords
pulp
mixer
mixing chemicals
chemicals
mixing
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.)
Withdrawn
Application number
EP19877758.3A
Other languages
German (de)
French (fr)
Other versions
EP3874089A1 (en
Inventor
Mikael Löfgren
Niklas Eriksson
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.)
Valmet Technologies Oy
Valmet AB
Original Assignee
Valmet Oy
Valmet 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 Valmet Oy, Valmet AB filed Critical Valmet Oy
Publication of EP3874089A1 publication Critical patent/EP3874089A1/en
Publication of EP3874089A4 publication Critical patent/EP3874089A4/en
Withdrawn legal-status Critical Current

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
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/02—Maintaining the aggregation state of the mixed materials
    • B01F23/024—Maintaining mixed ingredients in movement to prevent separation of the ingredients after mixing
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/351—Sealings
    • B01F2035/3512—Fluid sealings, e.g. using liquids or air under pressure which is leaking into the mixing receptacle
    • 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)
  • Paper (AREA)
EP19877758.3A 2018-10-30 2019-08-29 Mixer for mixing chemicals into pulp Withdrawn EP3874089A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1851348A SE1851348A1 (en) 2018-10-30 2018-10-30 Mixer for mixing chemicals into pulp
PCT/SE2019/050808 WO2020091640A1 (en) 2018-10-30 2019-08-29 Mixer for mixing chemicals into pulp

Publications (2)

Publication Number Publication Date
EP3874089A1 EP3874089A1 (en) 2021-09-08
EP3874089A4 true EP3874089A4 (en) 2023-01-04

Family

ID=70155698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19877758.3A Withdrawn EP3874089A4 (en) 2018-10-30 2019-08-29 Mixer for mixing chemicals into pulp

Country Status (4)

Country Link
EP (1) EP3874089A4 (en)
CN (1) CN112752880B (en)
SE (1) SE1851348A1 (en)
WO (1) WO2020091640A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11931707B1 (en) * 2023-11-16 2024-03-19 Herman Hockmeyer System for agglomerate mixing having a rotor and angular slotted stator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB624107A (en) * 1947-11-14 1949-05-27 Frederick David Edwards Improvements in and relating to emulsifying and like apparatus
DE29608712U1 (en) * 1996-05-14 1996-09-05 Wittek Axel Homogenizer
US5904308A (en) * 1995-11-10 1999-05-18 Voith Sulzer Papiertechnik Patent Gmbh Device and treatment machine for the mechanical treatment of high-consistency fibrous material
US20170259443A1 (en) * 2016-03-14 2017-09-14 Ecolab Usa Inc. Rapid polymer hydration
US20180035841A1 (en) * 2016-08-08 2018-02-08 Plant Tap, LLC Apparatus and method for producing beverages from dry ingredients
CN108096881A (en) * 2018-02-07 2018-06-01 江苏神力电源科技有限公司 A kind of raw material defoaming sleeve mechanism for the production of PE partition plates

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU466801B2 (en) * 1972-04-10 1975-11-13 Cincinnati Milacron Inc Mixing device
CH582788A5 (en) * 1974-09-23 1976-12-15 Escher Wyss Gmbh
CA1143370A (en) * 1979-06-22 1983-03-22 Lee F. Robinson Contactor
RU2060826C1 (en) * 1992-05-22 1996-05-27 Нильссон Харри Grinding apparatus for making suspensions of fibers
EP0674730A4 (en) * 1992-12-18 1996-04-10 Ingersoll Rand Co Pulp and bleaching reagent mixer and method.
US5863120A (en) * 1997-01-31 1999-01-26 Beloit Technologies, Inc. Medium consistency liquid mixture
SE524465E (en) * 2002-12-12 2007-09-04 Metso Paper Inc Apparatus for mixing a gaseous or liquid medium with a pulp suspension
CN101259389B (en) * 2007-03-05 2011-05-04 华东理工大学 High shearing thinning homogenizing machine
FI122737B (en) * 2010-02-04 2012-06-15 Andritz Oy Apparatus for mixing a gaseous or liquid substance with a fiber suspension
CN202490592U (en) * 2012-02-28 2012-10-17 昆山大世界油墨涂料有限公司 Powder and liquid mixing device
CN107051355A (en) * 2017-03-30 2017-08-18 山东里德工程技术有限公司 A kind of single shaft self-cleaning reactor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB624107A (en) * 1947-11-14 1949-05-27 Frederick David Edwards Improvements in and relating to emulsifying and like apparatus
US5904308A (en) * 1995-11-10 1999-05-18 Voith Sulzer Papiertechnik Patent Gmbh Device and treatment machine for the mechanical treatment of high-consistency fibrous material
DE29608712U1 (en) * 1996-05-14 1996-09-05 Wittek Axel Homogenizer
US20170259443A1 (en) * 2016-03-14 2017-09-14 Ecolab Usa Inc. Rapid polymer hydration
US20180035841A1 (en) * 2016-08-08 2018-02-08 Plant Tap, LLC Apparatus and method for producing beverages from dry ingredients
CN108096881A (en) * 2018-02-07 2018-06-01 江苏神力电源科技有限公司 A kind of raw material defoaming sleeve mechanism for the production of PE partition plates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020091640A1 *

Also Published As

Publication number Publication date
CN112752880B (en) 2023-04-04
EP3874089A1 (en) 2021-09-08
CN112752880A (en) 2021-05-04
SE542365C2 (en) 2020-04-14
SE1851348A1 (en) 2020-04-14
WO2020091640A1 (en) 2020-05-07

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