EP4277733A4 - Mischvorrichtung - Google Patents

Mischvorrichtung

Info

Publication number
EP4277733A4
EP4277733A4 EP21919982.5A EP21919982A EP4277733A4 EP 4277733 A4 EP4277733 A4 EP 4277733A4 EP 21919982 A EP21919982 A EP 21919982A EP 4277733 A4 EP4277733 A4 EP 4277733A4
Authority
EP
European Patent Office
Prior art keywords
mixing device
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.)
Pending
Application number
EP21919982.5A
Other languages
English (en)
French (fr)
Other versions
EP4277733A1 (de
Inventor
Jörgen Lundberg
Jonas Lundberg
Henrik TRÄFF
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 EP4277733A1 publication Critical patent/EP4277733A1/de
Publication of EP4277733A4 publication Critical patent/EP4277733A4/de
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/022—Means for injecting material into flow within the headbox
    • 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
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23123—Diffusers consisting of rigid porous or perforated material
    • B01F23/231231—Diffusers consisting of rigid porous or perforated material the outlets being in the form of perforations
    • 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
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31331—Perforated, multi-opening, with a plurality of holes
    • B01F25/313311—Porous injectors
    • 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
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31333—Rotatable injectors
    • 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
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B01F25/31421—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction the conduit being porous
    • 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
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3143—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit characterised by the specific design of the injector
    • B01F25/31433—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit characterised by the specific design of the injector being rotatable, e.g. placed on a rotatable housing or conduit
    • 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
    • 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
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/919—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings
    • B01F2025/9191—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component
    • B01F2025/91912—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings at the circumference of the main flow
    • B01F2025/919121—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings at the circumference of the main flow with feed openings around the complete circumference of the main flow, e.g. being a perforated or porous part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
EP21919982.5A 2021-01-18 2021-12-22 Mischvorrichtung Pending EP4277733A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2150045A SE545007C2 (en) 2021-01-18 2021-01-18 Mixing device and method for mixing a fluid into a fiber pulp
PCT/SE2021/051303 WO2022154712A1 (en) 2021-01-18 2021-12-22 Mixing device

Publications (2)

Publication Number Publication Date
EP4277733A1 EP4277733A1 (de) 2023-11-22
EP4277733A4 true EP4277733A4 (de) 2025-03-12

Family

ID=82448626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21919982.5A Pending EP4277733A4 (de) 2021-01-18 2021-12-22 Mischvorrichtung

Country Status (3)

Country Link
EP (1) EP4277733A4 (de)
SE (1) SE545007C2 (de)
WO (1) WO2022154712A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213478A (en) * 1975-07-24 1977-02-01 San Eng Kk Process for dissolving of hard-soluble gas and a gas dissolving appara tus used in said process
WO2019232273A1 (en) * 2018-06-01 2019-12-05 Gaia Usa, Inc. Apparatus in the form of a unitary, single-piece structure configured to generate and mix ultra-fine gas bubbles into a high gas concentration aqueous solution

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554343A (en) * 1947-07-22 1951-05-22 Pall David Anisometric metallic filter
AU595842B2 (en) * 1985-11-15 1990-04-12 Canadian Liquid Air Ltd. Pulp bleaching
CZ304314B6 (cs) * 2012-11-22 2014-02-26 Ăšstav termomechaniky AV ÄŚR, v.v.i. Jednotka generátoru plynových bublin v kapalině
WO2018044451A1 (en) * 2016-08-29 2018-03-08 Mott Corporation High performance static mixer
EP3639974A1 (de) * 2018-10-15 2020-04-22 Sintratec AG Verfahren und vorrichtung zum polieren eines festen, mittels einer additiven herstellungsvorrichtung erzeugten gegenstandes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213478A (en) * 1975-07-24 1977-02-01 San Eng Kk Process for dissolving of hard-soluble gas and a gas dissolving appara tus used in said process
WO2019232273A1 (en) * 2018-06-01 2019-12-05 Gaia Usa, Inc. Apparatus in the form of a unitary, single-piece structure configured to generate and mix ultra-fine gas bubbles into a high gas concentration aqueous solution

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022154712A1 *

Also Published As

Publication number Publication date
WO2022154712A1 (en) 2022-07-21
EP4277733A1 (de) 2023-11-22
SE2150045A1 (en) 2022-07-19
SE545007C2 (en) 2023-02-28

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RIC1 Information provided on ipc code assigned before grant

Ipc: D21F 1/02 20060101ALI20250206BHEP

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Ipc: D21C 9/10 20060101ALI20250206BHEP

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