EP4146860A4 - Procédé et appareil pour défibrage de copeaux de bois et tuyau de vapeur de retour destiné à un tel appareil - Google Patents

Procédé et appareil pour défibrage de copeaux de bois et tuyau de vapeur de retour destiné à un tel appareil Download PDF

Info

Publication number
EP4146860A4
EP4146860A4 EP21800183.2A EP21800183A EP4146860A4 EP 4146860 A4 EP4146860 A4 EP 4146860A4 EP 21800183 A EP21800183 A EP 21800183A EP 4146860 A4 EP4146860 A4 EP 4146860A4
Authority
EP
European Patent Office
Prior art keywords
steam pipe
wood chips
return steam
defibrating wood
defibrating
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
EP21800183.2A
Other languages
German (de)
English (en)
Other versions
EP4146860A1 (fr
Inventor
Thommy LINDBLOM
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 EP4146860A1 publication Critical patent/EP4146860A1/fr
Publication of EP4146860A4 publication Critical patent/EP4146860A4/fr
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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP21800183.2A 2020-05-07 2021-03-26 Procédé et appareil pour défibrage de copeaux de bois et tuyau de vapeur de retour destiné à un tel appareil Pending EP4146860A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2050526A SE543857C2 (en) 2020-05-07 2020-05-07 Method and apparatus for defibrating wood chips, and a return steam pipe for such an apparatus
PCT/SE2021/050271 WO2021225490A1 (fr) 2020-05-07 2021-03-26 Procédé et appareil pour défibrage de copeaux de bois et tuyau de vapeur de retour destiné à un tel appareil

Publications (2)

Publication Number Publication Date
EP4146860A1 EP4146860A1 (fr) 2023-03-15
EP4146860A4 true EP4146860A4 (fr) 2024-06-26

Family

ID=77176632

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21800183.2A Pending EP4146860A4 (fr) 2020-05-07 2021-03-26 Procédé et appareil pour défibrage de copeaux de bois et tuyau de vapeur de retour destiné à un tel appareil

Country Status (3)

Country Link
EP (1) EP4146860A4 (fr)
SE (1) SE543857C2 (fr)
WO (1) WO2021225490A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974857A (en) * 1959-12-15 1964-11-11 Douglas George Unthank Apparatus for the removal of volatile and gaseous components occluded in oils
US3441227A (en) * 1966-12-22 1969-04-29 Sprout Waldron & Co Inc Refiner feeder
US4082233A (en) * 1975-06-04 1978-04-04 Rolf Bertil Reinhall Disc refiner having means for removing gaseous media from pulp stock

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB515944A (en) * 1937-06-12 1939-12-19 Hermann Basler Apparatus for disintegrating vegetable fibrous materials
SE386694B (sv) * 1973-09-06 1976-08-16 Sca Development Ab Sett for behandling av fibermaterial varvid fibermaterialet forst forvermes med anga i ett forvermarkerl
SE417130C (sv) * 1979-08-22 1987-07-13 Bahco Ventilation Ab Sett att utvinna hogverdig anga vid raffinering av fibermaterial
FI60416C (fi) * 1979-12-04 1982-01-11 Enso Gutzeit Oy Foerfarande att framstaella traemassa mekaniskt av traeflis
FI124619B (fi) * 2013-04-12 2014-11-14 Valmet Technologies Inc Järjestely ja menetelmä kuitumassan syöttämiseksi dispergaattoriin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974857A (en) * 1959-12-15 1964-11-11 Douglas George Unthank Apparatus for the removal of volatile and gaseous components occluded in oils
US3441227A (en) * 1966-12-22 1969-04-29 Sprout Waldron & Co Inc Refiner feeder
US4082233A (en) * 1975-06-04 1978-04-04 Rolf Bertil Reinhall Disc refiner having means for removing gaseous media from pulp stock

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021225490A1 *

Also Published As

Publication number Publication date
SE2050526A1 (en) 2021-08-17
EP4146860A1 (fr) 2023-03-15
WO2021225490A1 (fr) 2021-11-11
SE543857C2 (en) 2021-08-17

Similar Documents

Publication Publication Date Title
EP4224733A4 (fr) Procédé et appareil de traitement de faisceau, et dispositif associé
EP4446976A4 (fr) Procédé et appareil de génération automatique pour clôture électronique, et procédé et appareil de détection en temps réel
EP4146861A4 (fr) Système et procédé pour défibrer des copeaux de bois et tuyau de vapeur de retour
EP4129621A4 (fr) Appareil, procédé et programme
MX2022013133A (es) Sistema y metodo para un aparato de maquina ajustable.
EP4146860A4 (fr) Procédé et appareil pour défibrage de copeaux de bois et tuyau de vapeur de retour destiné à un tel appareil
ZA202109418B (en) Apparatus, method or computer program for generating an output downmix representation
AU2021417416A9 (en) A method, apparatus and computer program product for authentication procedure between devices
CA3287243A1 (en) Method for generating a partially-cured item, a partially-cured item and a cured object
EP4252956A4 (fr) Procédé d'usinage au laser, dispositif d'usinage au laser et dispositif de création de programme d'usinage
EP4098397A4 (fr) Machine-outil, dispositif de commande et procédé de commande d'une telle machine-outil
GB2605771B (en) Method, apparatus and computer program.
EP4174639A4 (fr) Procédé et dispositif de traitement auxiliaire pour développement de logiciels, support d'enregistrement et produit-programme
EP4226097A4 (fr) Systèmes, procédés et machines pour relier des composants de fondation en poutre à treillis
EP3834976C0 (fr) Unité de traitement de pièces, en particulier unité de découpe de panneaux, ainsi que procédé d'exploitation d'une unité de traitement de pièces
EP4207007A4 (fr) Programme, procédé et dispositif de génération de données
AU2021900194A0 (en) Method and apparatus for preparing a bored log
AU2024285359A1 (en) Apparatus for an automatic sorting machine, sorting machine and method
EP4134702C0 (fr) Dispositif diviseur de faisceau pour un capteur optoélectronique, capteur optoélectronique doté d'un tel dispositif et procédé de division de faisceau dans un capteur optoélectronique
HK40084362A (en) Wood cladding system and method for manufacturing same, system comprising such a wood cladding system, and methods for manufacturing and renovating same
EP4549059A4 (fr) Machine-outil, et procédé d'alignement de machine-outil
CA3276800A1 (fr) Procédé de génération de composant pour dosage et dispositif de génération de composant pour dosage le mettant en oeuvre
AU2022903264A0 (en) System, method, and apparatus for enhancing a fluid
CA3283813A1 (fr) Procédé et appareil d'introduction d'énergie thermique dans un fluide, appareil et utilisations associés
CA3299192A1 (fr) Appareil de travail agricole, procédé de travail agricole et programme

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20221207

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240527

RIC1 Information provided on ipc code assigned before grant

Ipc: D21B 1/14 20060101AFI20240521BHEP