SE9602017D0 - Method and apparatus for pulping sawdust - Google Patents

Method and apparatus for pulping sawdust

Info

Publication number
SE9602017D0
SE9602017D0 SE9602017A SE9602017A SE9602017D0 SE 9602017 D0 SE9602017 D0 SE 9602017D0 SE 9602017 A SE9602017 A SE 9602017A SE 9602017 A SE9602017 A SE 9602017A SE 9602017 D0 SE9602017 D0 SE 9602017D0
Authority
SE
Sweden
Prior art keywords
sawdust
retention vessel
slurry
flow
cooking temperature
Prior art date
Application number
SE9602017A
Other languages
English (en)
Other versions
SE524260C2 (sv
SE9602017L (sv
Inventor
Jay J Miele
Marco Marois
John D Weston
J Robert Prough
R Fred Chasse
J Wayne Chamblee
Original Assignee
Kamyr 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 Kamyr Inc filed Critical Kamyr Inc
Publication of SE9602017D0 publication Critical patent/SE9602017D0/sv
Publication of SE9602017L publication Critical patent/SE9602017L/sv
Publication of SE524260C2 publication Critical patent/SE524260C2/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/24Continuous processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • D21C1/02Pretreatment of the finely-divided materials before digesting with water or steam
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/26Multistage processes
    • D21C3/266Multistage processes the same pulping agent being used in all stages
SE9602017A 1995-08-31 1996-05-28 Förfarande och apparat för massaframställning från sågspån SE524260C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/520,941 US6325888B1 (en) 1995-08-31 1995-08-31 Method for pulping sawdust

Publications (3)

Publication Number Publication Date
SE9602017D0 true SE9602017D0 (sv) 1996-05-28
SE9602017L SE9602017L (sv) 1997-03-01
SE524260C2 SE524260C2 (sv) 2004-07-20

Family

ID=24074673

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602017A SE524260C2 (sv) 1995-08-31 1996-05-28 Förfarande och apparat för massaframställning från sågspån

Country Status (4)

Country Link
US (2) US6325888B1 (sv)
CA (1) CA2174875C (sv)
FI (1) FI119553B (sv)
SE (1) SE524260C2 (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517674E8 (sv) * 2001-05-02 2015-10-20 Metso Paper Sweden Ab Förfarande för tvättvätsketillförsel till kokningsprocess för cellulosamassa
CA2383279A1 (fr) * 2002-05-06 2003-11-06 Sylvain Cloutier Reacteur
SE519555C2 (sv) * 2002-05-21 2003-03-11 Kvaerner Pulping Tech Metod för kontinuerlig kokning av vedrådvara till cellulosamassa
WO2004005608A1 (en) * 2002-07-02 2004-01-15 Andritz, Inc. Solvent pulping of biomass
US7309401B2 (en) * 2003-05-12 2007-12-18 Andritz Inc. Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester
US7771565B2 (en) * 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
US8734610B2 (en) * 2007-05-23 2014-05-27 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
JP5215706B2 (ja) * 2007-08-01 2013-06-19 三井造船株式会社 固気2相物質の押し込み装置
WO2010102063A2 (en) * 2009-03-03 2010-09-10 Poet Research, Inc. System for fermentation of biomass for the production of ethanol
US8956505B2 (en) * 2009-06-11 2015-02-17 Andritz Technology And Asset Management Gmbh Compact feed system and method for comminuted cellulosic material
US8628623B2 (en) * 2009-12-21 2014-01-14 Andritz Technology And Asset Management Gmbh Method and process for dry discharge in a pressurized pretreatment reactor
CA2795503C (en) 2010-03-19 2020-02-18 Poet Research, Inc. System for treatment of biomass to facilitate the production of ethanol
EP3594354A1 (en) 2010-03-19 2020-01-15 Poet Research Incorporated Method for producing a fermentation product from biomass
WO2012099967A1 (en) 2011-01-18 2012-07-26 Poet, Llc Systems and methods for hydrolysis of biomass
US9982317B2 (en) 2011-07-07 2018-05-29 Poet Research, Inc. Systems and methods for acid recycle
WO2017112834A1 (en) * 2015-12-21 2017-06-29 Andritz Inc. Method and apparatus for pumping sawdust feed in a sawdust pulping system
CN107130456B (zh) * 2016-02-29 2021-05-07 山东泉林纸业有限责任公司 一种禾草类原料的连续蒸煮方法及装置
FI127474B (sv) * 2017-01-20 2018-06-29 Valmet Technologies Oy Förfarande och system för värmeåtervinning med anknytning till funktionen av en smältlösare vid en sodapanna
US11655588B2 (en) 2017-05-24 2023-05-23 Valmet Ab System and chip chute for feeding comminuted cellulosic material
CN110699996B (zh) * 2018-07-09 2021-08-06 吉林中粮生化有限公司 用于带压容器的排料装置以及蒸汽蒸煮系统
CN113308923B (zh) * 2021-05-28 2022-06-10 北京三联虹普新合纤技术服务股份有限公司 一种用于制备Lyocell纤维的浆粕均化与调质系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475271A (en) 1966-02-07 1969-10-28 Kamyr Ab Cellulose digester with washing apparatus
US3294623A (en) * 1966-02-23 1966-12-27 Int Paper Co Continuous digestion and purification with recirculation of liquor
DE3564300D1 (en) 1984-04-02 1988-09-15 Kamyr Inc Sawdust pumping, and processing
US5266159A (en) 1991-10-25 1993-11-30 Kamyr, Inc. Mass flow measurement, preferably for controlling chip feed to a digester
US5444884A (en) 1994-07-15 1995-08-29 Kamyr, Inc. Controlling screen backflush and wash distribution in a pressure diffuser

Also Published As

Publication number Publication date
SE524260C2 (sv) 2004-07-20
FI119553B (sv) 2008-12-31
FI963361A (sv) 1997-03-01
US20020026990A1 (en) 2002-03-07
FI963361A0 (sv) 1996-08-29
SE9602017L (sv) 1997-03-01
US6325888B1 (en) 2001-12-04
US6379504B1 (en) 2002-04-30
CA2174875A1 (en) 1997-03-01
CA2174875C (en) 2007-01-23

Similar Documents

Publication Publication Date Title
SE9602017D0 (sv) Method and apparatus for pulping sawdust
RU2126470C1 (ru) Способ непрерывной варки волоконного материала
CA2321863A1 (en) Method and apparatus for feeding a chemical into a liquid flow
GB1463444A (sv)
SE9503595D0 (sv) Method of treating cellulose pulps
ES2045948T3 (es) Desplazamiento termico en las lejiadoras continuas.
SE0101552L (sv) Inmatning av cellulosamaterial till ett behandlingskärl
DE69200909D1 (de) Behandlung von Hackschnitzel mit Schwarzlauge.
BR9103650A (pt) Metodo e aparelho para transformar continuamente material fibroso celulosico fragmentado em polpa kraft
US5217575A (en) Process for oxygen bleaching using two vertical reactors
SE9903202D0 (sv) Method and apparatus for continuously pulping cellulosic fibrous material
DE69630803D1 (de) Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
SE9501374D0 (sv) Method an apparatus for recovering heat in a spent liquor recovery boiler
SE9803160L (sv) Produktion av cellulosamassa med användning av en kokare med väsentligen konstant diameter
US4705600A (en) Method for the treatment of pulp with liquid
FI115141B (sv) Förfarande för kontinuerlig kokning av massa
SE0200185L (sv) Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning
SE9704696D0 (sv) Förfarande och anordning för behandling av massa i en indirekt värmeväxlare i samband med blekning
CA1299322C (en) Apparatus and methods for reducing the formation of scale in pulping operations
BR9508970A (pt) Método e aparelho para a produção continua de polpa de celulose
ZA959830B (en) Process for reducing contamination of cellulosic liquors
SE9903470L (sv) Kontinuerlig cellulosamassakokare
SE8803705L (sv) Saett vid oxygenblekning
CA2374353A1 (en) System for the oxygen delignification of pulp consisting of lignocellulose-containing material
SU953051A1 (ru) Установка дл получени целлюлозы

Legal Events

Date Code Title Description
NUG Patent has lapsed