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SE548027C2 - Blade for a refiner for refining lignocellulosic material, and refiner comprising such a blade - Google Patents

Blade for a refiner for refining lignocellulosic material, and refiner comprising such a blade

Info

Publication number
SE548027C2
SE548027C2 SE2430008A SE2430008A SE548027C2 SE 548027 C2 SE548027 C2 SE 548027C2 SE 2430008 A SE2430008 A SE 2430008A SE 2430008 A SE2430008 A SE 2430008A SE 548027 C2 SE548027 C2 SE 548027C2
Authority
SE
Sweden
Prior art keywords
refiner
blade
lignocellulosic material
refining lignocellulosic
refining
Prior art date
Application number
SE2430008A
Other versions
SE2430008A1 (en
Inventor
Christer Hedlund
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 SE2430008A priority Critical patent/SE548027C2/en
Priority to PCT/SE2024/051076 priority patent/WO2025155224A1/en
Publication of SE2430008A1 publication Critical patent/SE2430008A1/en
Publication of SE548027C2 publication Critical patent/SE548027C2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D21D1/306—Discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/12—Shape or construction of discs
    • 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
    • D21B1/14—Disintegrating in mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
SE2430008A 2024-01-15 2024-01-15 Blade for a refiner for refining lignocellulosic material, and refiner comprising such a blade SE548027C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE2430008A SE548027C2 (en) 2024-01-15 2024-01-15 Blade for a refiner for refining lignocellulosic material, and refiner comprising such a blade
PCT/SE2024/051076 WO2025155224A1 (en) 2024-01-15 2024-12-13 Blade for a refiner, and refiner comprising such a blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2430008A SE548027C2 (en) 2024-01-15 2024-01-15 Blade for a refiner for refining lignocellulosic material, and refiner comprising such a blade

Publications (2)

Publication Number Publication Date
SE2430008A1 SE2430008A1 (en) 2025-07-16
SE548027C2 true SE548027C2 (en) 2026-01-13

Family

ID=94321499

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2430008A SE548027C2 (en) 2024-01-15 2024-01-15 Blade for a refiner for refining lignocellulosic material, and refiner comprising such a blade

Country Status (2)

Country Link
SE (1) SE548027C2 (en)
WO (1) WO2025155224A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998033594A1 (en) * 1997-01-31 1998-08-06 Sunds Defibrator Industries Ab Refining element
US6032888A (en) * 1999-04-16 2000-03-07 Durametal Corporation Refiner plate with interspersed surface and subsurface dams
US6607153B1 (en) * 1998-08-19 2003-08-19 Durametal Corporation Refiner plate steam management system
WO2019199215A1 (en) * 2018-04-13 2019-10-17 Valmet Ab Refiner segment having bar weakening sections
WO2023034427A1 (en) * 2021-08-31 2023-03-09 Andritz Inc. 3d metal partial printing of refiner segments

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI121509B (en) * 2007-11-30 2010-12-15 Metso Paper Inc Refiner stator refiner surface, refiner surface steel segment and refiner
SE540890C2 (en) * 2017-09-01 2018-12-11 Valmet Oy Refiner segment in a fiber refiner
US11982053B2 (en) * 2018-10-11 2024-05-14 Andritz Inc. Refiner plate having inter-bar wear protrusions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998033594A1 (en) * 1997-01-31 1998-08-06 Sunds Defibrator Industries Ab Refining element
US6607153B1 (en) * 1998-08-19 2003-08-19 Durametal Corporation Refiner plate steam management system
US6032888A (en) * 1999-04-16 2000-03-07 Durametal Corporation Refiner plate with interspersed surface and subsurface dams
WO2019199215A1 (en) * 2018-04-13 2019-10-17 Valmet Ab Refiner segment having bar weakening sections
WO2023034427A1 (en) * 2021-08-31 2023-03-09 Andritz Inc. 3d metal partial printing of refiner segments

Also Published As

Publication number Publication date
WO2025155224A1 (en) 2025-07-24
SE2430008A1 (en) 2025-07-16

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