EP3469139A4 - Defibrator with separated blow valve - Google Patents

Defibrator with separated blow valve Download PDF

Info

Publication number
EP3469139A4
EP3469139A4 EP17813688.3A EP17813688A EP3469139A4 EP 3469139 A4 EP3469139 A4 EP 3469139A4 EP 17813688 A EP17813688 A EP 17813688A EP 3469139 A4 EP3469139 A4 EP 3469139A4
Authority
EP
European Patent Office
Prior art keywords
defibrator
blow valve
separated blow
separated
valve
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.)
Granted
Application number
EP17813688.3A
Other languages
German (de)
French (fr)
Other versions
EP3469139A1 (en
EP3469139B1 (en
Inventor
Per Wallin
Örjan AHLGREN
Per NYBERG
Per Eriksson
Mattias GRANNAS
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 EP3469139A1 publication Critical patent/EP3469139A1/en
Publication of EP3469139A4 publication Critical patent/EP3469139A4/en
Application granted granted Critical
Publication of EP3469139B1 publication Critical patent/EP3469139B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D21B1/26—Driving or feeding arrangements
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • 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
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • 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
    • D21D1/303—Double disc mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
EP17813688.3A 2016-06-13 2017-06-01 Defibrator with separated blow valve Active EP3469139B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1650825A SE539556C2 (en) 2016-06-13 2016-06-13 Defibrator with separated blow valve
PCT/SE2017/050587 WO2017217909A1 (en) 2016-06-13 2017-06-01 Defibrator with separated blow valve

Publications (3)

Publication Number Publication Date
EP3469139A1 EP3469139A1 (en) 2019-04-17
EP3469139A4 true EP3469139A4 (en) 2020-02-26
EP3469139B1 EP3469139B1 (en) 2020-12-02

Family

ID=60000078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17813688.3A Active EP3469139B1 (en) 2016-06-13 2017-06-01 Defibrator with separated blow valve

Country Status (6)

Country Link
US (1) US20190309471A1 (en)
EP (1) EP3469139B1 (en)
CN (1) CN109154140B (en)
BR (1) BR112018068968A2 (en)
SE (1) SE539556C2 (en)
WO (1) WO2017217909A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765611A (en) * 1972-08-07 1973-10-16 Bauer Bros Co Refining process
US4163525A (en) * 1977-01-03 1979-08-07 Reinhall Rolf Bertil Device for evacuating blow-back steam in pulp refining apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931586A (en) * 1957-08-16 1960-04-05 American Defibrator Grinding device for the breaking down of wood fibres
FI61215B (en) * 1976-11-23 1982-02-26 Defibrator Ab SAFETY RANGE OF CONTAINER FRAMSTAELLA LIGNOCELLULOSAHALTIGA FIBERMATERIAL
SE436287B (en) * 1983-04-12 1984-11-26 Sunds Defibrator SET AND DEVICE FOR MANUFACTURING FIBER MASS FROM LIGNOCELLULOSALLY MATERIAL
SE528361C2 (en) * 2005-04-18 2006-10-24 Metso Panelboard Ab refiner housing
US9181654B2 (en) * 2012-05-30 2015-11-10 Andritz Inc. Refiner plate having a smooth, wave-like groove and related methods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765611A (en) * 1972-08-07 1973-10-16 Bauer Bros Co Refining process
US4163525A (en) * 1977-01-03 1979-08-07 Reinhall Rolf Bertil Device for evacuating blow-back steam in pulp refining apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017217909A1 *

Also Published As

Publication number Publication date
EP3469139A1 (en) 2019-04-17
WO2017217909A1 (en) 2017-12-21
EP3469139B1 (en) 2020-12-02
US20190309471A1 (en) 2019-10-10
CN109154140B (en) 2020-10-16
CN109154140A (en) 2019-01-04
SE1650825A1 (en) 2017-10-10
SE539556C2 (en) 2017-10-10
BR112018068968A2 (en) 2019-01-22

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