FI129940B - Production line for producing a fiber web and a method for producing a fiber web - Google Patents

Production line for producing a fiber web and a method for producing a fiber web

Info

Publication number
FI129940B
FI129940B FI20215196A FI20215196A FI129940B FI 129940 B FI129940 B FI 129940B FI 20215196 A FI20215196 A FI 20215196A FI 20215196 A FI20215196 A FI 20215196A FI 129940 B FI129940 B FI 129940B
Authority
FI
Finland
Prior art keywords
fiber web
sizing
producing
production line
section
Prior art date
Application number
FI20215196A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20215196A1 (en
Inventor
Reijo Pietikäinen
Original Assignee
Valmet Technologies 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 Technologies Oy filed Critical Valmet Technologies Oy
Priority to FI20215196A priority Critical patent/FI129940B/en
Priority to CN202280012481.0A priority patent/CN116829786A/en
Priority to EP22708576.8A priority patent/EP4298278A1/en
Priority to PCT/FI2022/050071 priority patent/WO2022180299A1/en
Publication of FI20215196A1 publication Critical patent/FI20215196A1/en
Application granted granted Critical
Publication of FI129940B publication Critical patent/FI129940B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
    • D21F9/006—Complete machines for making continuous webs of paper of the twin-wire type paper or board consisting of two or more layers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/56—Foam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/30—Pretreatment of the paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
    • D21H23/48—Curtain coaters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls

Landscapes

  • Paper (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention relates to a production line for producing a fiber web (W), which production line (200) comprises a forming section (210) comprising at least one headbox (M10; M20; M30) and a forming unit (220) comprising at least one wire (10; 20; 30) and at least one water removal means (11, 15, 16, 17, 21, 25, 31, 35, 56), and which production line (200) comprises a sizing section (250) comprising a sizer with a sizing nip formed between two sizing rolls (75). The production line (200) comprises at least one application device (C10; C20; C30; C50) located in the forming unit (220) and configured to apply sizing agent in form of foam for inner part sizing of the fiber web (W) and the sizer located in the sizing section (250) comprises at least one application device (C75) is configured to apply sizing agent for surface sizing of the fiber web (W).
FI20215196A 2021-02-23 2021-02-23 Production line for producing a fiber web and a method for producing a fiber web FI129940B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20215196A FI129940B (en) 2021-02-23 2021-02-23 Production line for producing a fiber web and a method for producing a fiber web
CN202280012481.0A CN116829786A (en) 2021-02-23 2022-02-04 Production line for producing a fiber web and method for producing a fiber web
EP22708576.8A EP4298278A1 (en) 2021-02-23 2022-02-04 Production line for producing a fiber web and a method for producing a fiber web
PCT/FI2022/050071 WO2022180299A1 (en) 2021-02-23 2022-02-04 Production line for producing a fiber web and a method for producing a fiber web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20215196A FI129940B (en) 2021-02-23 2021-02-23 Production line for producing a fiber web and a method for producing a fiber web

Publications (2)

Publication Number Publication Date
FI20215196A1 FI20215196A1 (en) 2022-08-24
FI129940B true FI129940B (en) 2022-11-15

Family

ID=80682412

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20215196A FI129940B (en) 2021-02-23 2021-02-23 Production line for producing a fiber web and a method for producing a fiber web

Country Status (4)

Country Link
EP (1) EP4298278A1 (en)
CN (1) CN116829786A (en)
FI (1) FI129940B (en)
WO (1) WO2022180299A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20185867A1 (en) * 2018-10-15 2020-04-16 Valmet Technologies Oy Method for sizing a multi-ply fiber web and a forming section for a multi-ply fiber web

Also Published As

Publication number Publication date
WO2022180299A1 (en) 2022-09-01
FI20215196A1 (en) 2022-08-24
EP4298278A1 (en) 2024-01-03
CN116829786A (en) 2023-09-29

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