EP4146859A4 - Defibrator assembly, and method for monitoring a defibrator assembly - Google Patents

Defibrator assembly, and method for monitoring a defibrator assembly Download PDF

Info

Publication number
EP4146859A4
EP4146859A4 EP21799661.0A EP21799661A EP4146859A4 EP 4146859 A4 EP4146859 A4 EP 4146859A4 EP 21799661 A EP21799661 A EP 21799661A EP 4146859 A4 EP4146859 A4 EP 4146859A4
Authority
EP
European Patent Office
Prior art keywords
defibrator
assembly
monitoring
defibrator assembly
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
EP21799661.0A
Other languages
German (de)
French (fr)
Other versions
EP4146859A1 (en
Inventor
Thommy LINDBLOM
Örjan AHLGREN
Jan Laredius
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 EP4146859A1 publication Critical patent/EP4146859A1/en
Publication of EP4146859A4 publication Critical patent/EP4146859A4/en
Pending legal-status Critical Current

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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Disintegrating Or Milling (AREA)
EP21799661.0A 2020-05-07 2021-04-30 Defibrator assembly, and method for monitoring a defibrator assembly Pending EP4146859A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2050528 2020-05-07
PCT/SE2021/050402 WO2021225498A1 (en) 2020-05-07 2021-04-30 Defibrator assembly, and method for monitoring a defibrator assembly

Publications (2)

Publication Number Publication Date
EP4146859A1 EP4146859A1 (en) 2023-03-15
EP4146859A4 true EP4146859A4 (en) 2024-06-19

Family

ID=78468717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21799661.0A Pending EP4146859A4 (en) 2020-05-07 2021-04-30 Defibrator assembly, and method for monitoring a defibrator assembly

Country Status (2)

Country Link
EP (1) EP4146859A4 (en)
WO (1) WO2021225498A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283252A (en) * 1976-03-19 1981-08-11 Reinhall Rolf Bertil Method and apparatus for producing fiber pulp from fibrous lignocellulose containing material
EP0609542A1 (en) * 1993-02-01 1994-08-10 Sunds Defibrator Industries Aktiebolag Method of producing fiber pulp
US20030065453A1 (en) * 2001-03-06 2003-04-03 Johansson Ola M. Refiner control method and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE429874B (en) * 1982-02-16 1983-10-03 Sunds Defibrator SET AND DEVICE FOR MANUFACTURING FIBER MASS AND LIGNOCELLULOSALLY MATERIAL
SE542731C2 (en) * 2019-03-01 2020-06-30 Valmet Oy System and process for refining lignocellulosic biomass material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283252A (en) * 1976-03-19 1981-08-11 Reinhall Rolf Bertil Method and apparatus for producing fiber pulp from fibrous lignocellulose containing material
EP0609542A1 (en) * 1993-02-01 1994-08-10 Sunds Defibrator Industries Aktiebolag Method of producing fiber pulp
US20030065453A1 (en) * 2001-03-06 2003-04-03 Johansson Ola M. Refiner control method and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021225498A1 *

Also Published As

Publication number Publication date
WO2021225498A1 (en) 2021-11-11
EP4146859A1 (en) 2023-03-15

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Ipc: D21D 1/30 20060101ALI20240515BHEP

Ipc: D21B 1/14 20060101AFI20240515BHEP