CA2562901C - A method and a device for removing gas from wood chips - Google Patents

A method and a device for removing gas from wood chips Download PDF

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Publication number
CA2562901C
CA2562901C CA2562901A CA2562901A CA2562901C CA 2562901 C CA2562901 C CA 2562901C CA 2562901 A CA2562901 A CA 2562901A CA 2562901 A CA2562901 A CA 2562901A CA 2562901 C CA2562901 C CA 2562901C
Authority
CA
Canada
Prior art keywords
wood chips
steam
vessel
wood
flow
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.)
Expired - Fee Related
Application number
CA2562901A
Other languages
English (en)
French (fr)
Other versions
CA2562901A1 (en
Inventor
Rami Lampinen
Lasse Hernesniemi
Antti Tuominen
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.)
Metso Paper Oy
Original Assignee
Metso Paper 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
Priority claimed from FI20040637A external-priority patent/FI20040637A/fi
Application filed by Metso Paper Oy filed Critical Metso Paper Oy
Publication of CA2562901A1 publication Critical patent/CA2562901A1/en
Application granted granted Critical
Publication of CA2562901C publication Critical patent/CA2562901C/en
Expired - Fee Related 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
CA2562901A 2004-05-05 2005-04-26 A method and a device for removing gas from wood chips Expired - Fee Related CA2562901C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI20040637A FI20040637A (fi) 2004-05-05 2004-05-05 Menetelmä ja laite kaasun poistamiseksi paloiksi pilkotusta materiaalista
FI20040637 2004-05-05
FI20055098A FI123037B (fi) 2004-05-05 2005-02-28 Menetelmä ja laite kaasun poistamiseksi hakkeesta
FI20055098 2005-02-28
PCT/FI2005/050133 WO2005106111A1 (en) 2004-05-05 2005-04-26 A method and a device for removing gas from wood chips

Publications (2)

Publication Number Publication Date
CA2562901A1 CA2562901A1 (en) 2005-11-10
CA2562901C true CA2562901C (en) 2013-02-26

Family

ID=34227772

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2562901A Expired - Fee Related CA2562901C (en) 2004-05-05 2005-04-26 A method and a device for removing gas from wood chips

Country Status (6)

Country Link
US (1) US20070227682A1 (de)
AT (1) AT504589B1 (de)
CA (1) CA2562901C (de)
FI (1) FI123037B (de)
SE (1) SE0602327L (de)
WO (1) WO2005106111A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2515518C1 (ru) * 2010-07-09 2014-05-10 Метсо Пейпер Свиден Аб Способ и система пропитки щепы
US20130062031A1 (en) * 2011-09-11 2013-03-14 Andrew Kallmes Digester and digestion process
US9115214B2 (en) 2012-09-24 2015-08-25 Abengoa Bioenergy New Technologies, Llc Methods for controlling pretreatment of biomass
FI126802B (en) * 2014-09-12 2017-05-31 Andritz Oy Method and hydraulic spout system for producing chemical pulp

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901039A (en) * 1954-12-20 1959-08-25 Sven A Salmonson Apparatus for preconditioning chips in a digester
SE385028B (sv) * 1974-09-10 1976-05-31 S T Gloersen Sett att utjemna fukthalten i porosa material, t.ex. fibermaterial
US4155805A (en) * 1978-01-19 1979-05-22 Kamyr Aktiebolag Method for continuously digesting cellulosic fiber by evenly spreading the fiber material over the digestion vessel with steam
SE451605B (sv) * 1983-06-27 1987-10-19 Mo Och Domsjoe Ab Forfarande och anordning for forbehandling av lignocellulosamaterial
US4632729A (en) * 1984-05-01 1986-12-30 Laakso Oliver A Chip presteaming and air washing
US4746404A (en) * 1984-05-01 1988-05-24 Laakso Oliver A Chip presteaming and air washing
US4867845A (en) * 1988-06-15 1989-09-19 Kamyr, Inc. Vertical steaming vessel
US5500083A (en) * 1994-02-01 1996-03-19 Kamyr, Inc. Method of feeding cellulosic material to a digester using a chip bin with one dimensional convergence and side relief
US5547546A (en) * 1994-10-04 1996-08-20 Ahlstrom Machinery Inc. Chip bin with steaming control and a gas vent containing a vacuum and pressure relief device
US5635025A (en) * 1994-12-05 1997-06-03 Ahlstrom Machinery Inc. Digester system containing a single vessel serving as all of a chip bin, steaming vessel, and chip chute
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
US6199299B1 (en) * 1998-04-06 2001-03-13 Andritz-Ahlstrom Inc. Feeding of comminuted fibrous material to a pulping process
US6497791B1 (en) * 2001-08-30 2002-12-24 Jack T. Baker Apparatus for pre-treatment of wood chips

Also Published As

Publication number Publication date
CA2562901A1 (en) 2005-11-10
FI123037B (fi) 2012-10-15
FI20055098A (fi) 2005-11-06
FI20055098A0 (fi) 2005-02-28
WO2005106111A1 (en) 2005-11-10
AT504589A1 (de) 2008-06-15
SE0602327L (sv) 2006-11-03
AT504589B1 (de) 2010-06-15
US20070227682A1 (en) 2007-10-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160426