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FI20040637A7 - Method and apparatus for removing gas from chopped material - Google Patents

Method and apparatus for removing gas from chopped material Download PDF

Info

Publication number
FI20040637A7
FI20040637A7 FI20040637A FI20040637A FI20040637A7 FI 20040637 A7 FI20040637 A7 FI 20040637A7 FI 20040637 A FI20040637 A FI 20040637A FI 20040637 A FI20040637 A FI 20040637A FI 20040637 A7 FI20040637 A7 FI 20040637A7
Authority
FI
Finland
Prior art keywords
heated
removing gas
chopped material
steam
degassing stage
Prior art date
Application number
FI20040637A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20040637L (en
FI20040637A0 (en
Inventor
Hannu Tähkänen
Arvo Jonkka
Mikael Svedman
Päivi Uusitalo
Rami Lampinen
Original Assignee
Metso Paper Inc
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 Metso Paper Inc filed Critical Metso Paper Inc
Priority to FI20040637A priority Critical patent/FI20040637A7/en
Publication of FI20040637A0 publication Critical patent/FI20040637A0/en
Priority to FI20055037A priority patent/FI120772B/en
Priority to FI20055098A priority patent/FI123037B/en
Priority to PCT/FI2005/050133 priority patent/WO2005106111A1/en
Priority to CA2562901A priority patent/CA2562901C/en
Priority to US11/568,697 priority patent/US20070227682A1/en
Priority to AT0915405A priority patent/AT504589B1/en
Priority to US10/559,668 priority patent/US20060272786A1/en
Priority to CA002528772A priority patent/CA2528772A1/en
Priority to EP05738047A priority patent/EP1753907A1/en
Priority to PCT/FI2005/050138 priority patent/WO2005106112A1/en
Priority to CA 2562860 priority patent/CA2562860C/en
Priority to PCT/FI2005/050144 priority patent/WO2005106113A1/en
Priority to AT0915505A priority patent/AT503077B1/en
Priority to US11/568,593 priority patent/US7575657B2/en
Publication of FI20040637L publication Critical patent/FI20040637L/en
Publication of FI20040637A7 publication Critical patent/FI20040637A7/en
Priority to SE0602327A priority patent/SE0602327L/en
Priority to SE0602326A priority patent/SE0602326L/en

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

Landscapes

  • Paper (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

Keksinnön kohteena on menetelmä ja laite kaasun poistamiseksi paloiksi pilkotusta lignoselluloosa-pitoisesta materiaalista, jossa materiaali kuumennetaan höyryllä käsittelylämpötilaan ja lämmitetty materiaalivirta johdetaan tiiviinä patjana kaasunpoistovaiheen läpi. Materiaali kuumennetaan johtamalla materiaalivirtaan sen kulkusuuntaan nähden poikittainen höyryvirtaus. Materiaalin viipymäaika kaasunpoistovaiheessa on säädettävissä.The invention relates to a method and apparatus for removing gas from lignocellulosic material chopped into pieces, in which the material is heated with steam to a processing temperature and the heated material stream is passed as a dense bed through a degassing stage. The material is heated by passing a steam flow transverse to the direction of its flow into the material stream. The residence time of the material in the degassing stage is adjustable.

FI20040637A 2004-05-05 2004-05-05 Method and apparatus for removing gas from chopped material FI20040637A7 (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
FI20040637A FI20040637A7 (en) 2004-05-05 2004-05-05 Method and apparatus for removing gas from chopped material
FI20055037A FI120772B (en) 2004-05-05 2005-01-26 Method and apparatus for reducing the amount of sludge formed in a pulp and / or paper mill
FI20055098A FI123037B (en) 2004-05-05 2005-02-28 Process and apparatus for degassing of fish
PCT/FI2005/050133 WO2005106111A1 (en) 2004-05-05 2005-04-26 A method and a device for removing gas from wood chips
CA2562901A CA2562901C (en) 2004-05-05 2005-04-26 A method and a device for removing gas from wood chips
US11/568,697 US20070227682A1 (en) 2004-05-05 2005-04-26 Method and a Device for Removing Gas from Wood Chips
AT0915405A AT504589B1 (en) 2004-05-05 2005-04-26 METHOD AND DEVICE FOR REMOVING GAS FROM WOOD CHIPS
PCT/FI2005/050138 WO2005106112A1 (en) 2004-05-05 2005-04-28 Method and apparatus for removing gas from particulated material
CA002528772A CA2528772A1 (en) 2004-05-05 2005-04-28 Method and apparatus for removing gas from particulated material
US10/559,668 US20060272786A1 (en) 2004-05-05 2005-04-28 Method and apparatus for removing gas from particulated material
EP05738047A EP1753907A1 (en) 2004-05-05 2005-04-28 Method and apparatus for removing gas from particulated material
CA 2562860 CA2562860C (en) 2004-05-05 2005-05-03 Method and apparatus for reducing the amount of sludge produced in a pulp and/or paper mill
PCT/FI2005/050144 WO2005106113A1 (en) 2004-05-05 2005-05-03 Method and apparatus for reducing the amount of sludge produced in a pulp and/or paper mill
AT0915505A AT503077B1 (en) 2004-05-05 2005-05-03 METHOD AND DEVICE FOR REDUCING THE QUANTITY OF MUD PRODUCED IN A PULP OR PAPER FACTORY
US11/568,593 US7575657B2 (en) 2004-05-05 2005-05-03 Method and apparatus for reducing the amount of sludge produced in a pulp and/or paper mill
SE0602327A SE0602327L (en) 2004-05-05 2006-11-03 Method and device for removing gas from wood chips
SE0602326A SE0602326L (en) 2004-05-05 2006-11-03 Process and apparatus for reducing the amount of sludge produced in a pulp and / or paper mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20040637A FI20040637A7 (en) 2004-05-05 2004-05-05 Method and apparatus for removing gas from chopped material

Publications (3)

Publication Number Publication Date
FI20040637A0 FI20040637A0 (en) 2004-05-05
FI20040637L FI20040637L (en) 2005-11-06
FI20040637A7 true FI20040637A7 (en) 2005-11-06

Family

ID=32338354

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20040637A FI20040637A7 (en) 2004-05-05 2004-05-05 Method and apparatus for removing gas from chopped material

Country Status (5)

Country Link
US (1) US20060272786A1 (en)
EP (1) EP1753907A1 (en)
CA (1) CA2528772A1 (en)
FI (1) FI20040637A7 (en)
WO (1) WO2005106112A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120547B (en) * 2004-10-04 2009-11-30 Metso Paper Inc Alkaline cooking process and pulp making plant
US20130234705A1 (en) 2012-03-08 2013-09-12 Schlumberger Technology Corporation Method and system for applying nmr pulse sequences using different frequencies
CN105862486B (en) * 2015-01-23 2019-01-11 上海东冠纸业有限公司 A kind of efficient plain boiled water chute defoaming device
CN111595023B (en) * 2020-06-02 2022-02-01 张惠言 Temperature adjusting device for chemical production

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8205276L (en) * 1982-09-15 1984-03-16 Erik Gustav Kroneld WAY TO DRY MATERIAL THROUGH INDIRECT HEATING
SE451605B (en) * 1983-06-27 1987-10-19 Mo Och Domsjoe Ab PROCEDURE AND DEVICE FOR PROCESSING LIGNOCELLULOSAMATERIAL
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
FI83181C (en) * 1989-07-03 1991-06-10 Rauma Repola Oy FOERFARANDE OCH TRANSPORTOER FOER TRANSPORT AV FAST MATERIAL I STYCKEN ELLER PARTIKLAR.
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
WO1998035089A1 (en) * 1997-02-07 1998-08-13 Kvaerner Pulping Ab Method and apparatus for preheating an impregnating cellulosic material
US6199299B1 (en) * 1998-04-06 2001-03-13 Andritz-Ahlstrom Inc. Feeding of comminuted fibrous material to a pulping process
FI109103B (en) * 1999-01-07 2002-05-31 Metso Woodhandling Oy Method and apparatus for transferring solids

Also Published As

Publication number Publication date
FI20040637L (en) 2005-11-06
FI20040637A0 (en) 2004-05-05
US20060272786A1 (en) 2006-12-07
CA2528772A1 (en) 2005-11-10
WO2005106112A1 (en) 2005-11-10
EP1753907A1 (en) 2007-02-21

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