EP4065763C0 - Apparatus and process for macerating a conveyed material - Google Patents

Apparatus and process for macerating a conveyed material

Info

Publication number
EP4065763C0
EP4065763C0 EP20758165.3A EP20758165A EP4065763C0 EP 4065763 C0 EP4065763 C0 EP 4065763C0 EP 20758165 A EP20758165 A EP 20758165A EP 4065763 C0 EP4065763 C0 EP 4065763C0
Authority
EP
European Patent Office
Prior art keywords
macerating
conveyed material
conveyed
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.)
Active
Application number
EP20758165.3A
Other languages
German (de)
French (fr)
Other versions
EP4065763B1 (en
EP4065763A1 (en
Inventor
Dietmar Ulm
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.)
Andritz AG
Original Assignee
Andritz AG
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 Andritz AG filed Critical Andritz AG
Publication of EP4065763A1 publication Critical patent/EP4065763A1/en
Application granted granted Critical
Publication of EP4065763B1 publication Critical patent/EP4065763B1/en
Publication of EP4065763C0 publication Critical patent/EP4065763C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/124—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing using a rotatable and axially movable screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/18—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing with means for adjusting the outlet for the solid
    • 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
    • D21B1/34—Kneading or mixing; Pulpers
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Screw Conveyors (AREA)
  • Paper (AREA)
EP20758165.3A 2019-11-25 2020-08-18 Apparatus and process for macerating a conveyed material Active EP4065763B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51015/2019A AT522964B1 (en) 2019-11-25 2019-11-25 DEVICE AND METHOD FOR MAZERATION OF A CONVEYOR GOOD
PCT/EP2020/073045 WO2021104691A1 (en) 2019-11-25 2020-08-18 Device and method for macerating a meterial to be conveyed

Publications (3)

Publication Number Publication Date
EP4065763A1 EP4065763A1 (en) 2022-10-05
EP4065763B1 EP4065763B1 (en) 2023-11-22
EP4065763C0 true EP4065763C0 (en) 2023-11-22

Family

ID=72148107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20758165.3A Active EP4065763B1 (en) 2019-11-25 2020-08-18 Apparatus and process for macerating a conveyed material

Country Status (5)

Country Link
EP (1) EP4065763B1 (en)
CN (1) CN114729506B (en)
AT (1) AT522964B1 (en)
CA (1) CA3154512C (en)
WO (1) WO2021104691A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066359A (en) * 1957-11-05 1962-12-04 Chicopee Mfg Corp Methods and apparatus for producing fibrous webs
DE3207878A1 (en) * 1982-03-05 1983-09-15 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Device for mechanically separating liquids from liquid/solid mixtures
US5320034A (en) * 1989-09-19 1994-06-14 Kvaerner Hymac, Inc. Method and apparatus for increasing surface within wood chips
CA1309962C (en) 1989-09-19 1992-11-10 John Eccelston Plug screw feeder
US7300540B2 (en) * 2004-07-08 2007-11-27 Andritz Inc. Energy efficient TMP refining of destructured chips
CA2507321C (en) * 2004-07-08 2012-06-26 Andritz Inc. High intensity refiner plate with inner fiberizing zone
US7357074B2 (en) * 2005-03-02 2008-04-15 Andritz Inc. Compression screw with combination single and double flights
JP5225190B2 (en) * 2009-04-28 2013-07-03 水ｉｎｇ株式会社 Screw press-type sludge dewatering device and operation method thereof
SE537195C2 (en) * 2012-02-22 2015-03-03 Valmet Oy Feeding device, system and method for handling non-wood based plant material
US9833961B2 (en) * 2014-04-02 2017-12-05 Orion Enterprise International LLC Extracting-squeezing-compressing equipment used for municipal solid waste mixture
WO2016145276A1 (en) * 2015-03-11 2016-09-15 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials
EP3333313B1 (en) * 2016-12-08 2019-10-16 Valmet AB Method for treating biomass and device for treating biomass
EP3333311B1 (en) 2016-12-08 2019-09-25 Valmet AB Method for impregnating biomass and device for impregnating biomass

Also Published As

Publication number Publication date
EP4065763B1 (en) 2023-11-22
AT522964B1 (en) 2021-04-15
CA3154512A1 (en) 2021-06-03
CN114729506B (en) 2023-09-19
AT522964A4 (en) 2021-04-15
WO2021104691A1 (en) 2021-06-03
CA3154512C (en) 2024-05-21
CN114729506A (en) 2022-07-08
EP4065763A1 (en) 2022-10-05

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