BRPI0803706A2 - mÉtodo e sistema para contato direto de licor quente com cavacos de madeira em circulaÇço de transferÊncia - Google Patents

mÉtodo e sistema para contato direto de licor quente com cavacos de madeira em circulaÇço de transferÊncia

Info

Publication number
BRPI0803706A2
BRPI0803706A2 BRPI0803706-0A BRPI0803706A BRPI0803706A2 BR PI0803706 A2 BRPI0803706 A2 BR PI0803706A2 BR PI0803706 A BRPI0803706 A BR PI0803706A BR PI0803706 A2 BRPI0803706 A2 BR PI0803706A2
Authority
BR
Brazil
Prior art keywords
vessel
impregnation
direct contact
chips
wood chips
Prior art date
Application number
BRPI0803706-0A
Other languages
English (en)
Inventor
Tony Calandra
Original Assignee
Andritz 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 Andritz Inc filed Critical Andritz Inc
Publication of BRPI0803706A2 publication Critical patent/BRPI0803706A2/pt

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C7/00—Digesters
    • D21C7/10—Heating devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Paper (AREA)

Abstract

MÉTODO E SISTEMA PARA CONTATO DIRETO DE LICOR QUENTE COM CAVACOS DE MADEIRA EM CIRCULAÇçO DE TRANSFERÊNCIA. A presente invenção refere-se a um método para aquecimento de uma pasta fluida obtida de cavacos em um sistema de polpação, incluindo um vaso de impregnação e um vaso de digestão química, o método compreendendo: a impregnação de cavacos, no vaso de impregnação, com um licor; o transporte dos cavacos do vaso de impregnação até uma elevação mais alta do vaso digestor; a extração de licor, a partir de uma elevação mais baixa do vaso digestor e o acréscimo do licor extraído da elevação mais baixa do vaso digestor aos cavacos que estão sendo transportados do vaso de impregnação até o vaso digestor.
BRPI0803706-0A 2007-06-25 2008-06-25 mÉtodo e sistema para contato direto de licor quente com cavacos de madeira em circulaÇço de transferÊncia BRPI0803706A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/767,761 US8444809B2 (en) 2007-06-25 2007-06-25 Method and system for direct contact of hot liquor with wood chips in transfer circulation

Publications (1)

Publication Number Publication Date
BRPI0803706A2 true BRPI0803706A2 (pt) 2009-04-22

Family

ID=40135256

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0803706-0A BRPI0803706A2 (pt) 2007-06-25 2008-06-25 mÉtodo e sistema para contato direto de licor quente com cavacos de madeira em circulaÇço de transferÊncia

Country Status (7)

Country Link
US (1) US8444809B2 (pt)
JP (1) JP5220391B2 (pt)
CN (1) CN101435168A (pt)
BR (1) BRPI0803706A2 (pt)
CA (1) CA2599773C (pt)
RU (1) RU2459025C2 (pt)
SE (1) SE534130C2 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120089486A (ko) * 2009-11-24 2012-08-10 안드리츠 인코포레이티드 얇은 칩 찜통 증해를 위한 시스템 및 방법
US9644317B2 (en) * 2014-11-26 2017-05-09 International Paper Company Continuous digester and feeding system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI82079C (fi) * 1989-04-27 1993-05-11 Poeyry Jaakko & Co Oy Foerfarande och anordning foer kontinuerlig kokning av cellulosa
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
SE502039C2 (sv) * 1993-12-29 1995-07-24 Kvaerner Pulping Tech Sätt och anordning för kontinuerlig kokning av massa
SE506458C2 (sv) * 1996-02-09 1997-12-15 Kvaerner Pulping Tech Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
SE518957C2 (sv) * 2002-01-24 2002-12-10 Kvaerner Pulping Tech Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning
SE530332C2 (sv) * 2006-11-07 2008-05-06 Metso Fiber Karlstad Ab Förfarande för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri

Also Published As

Publication number Publication date
SE534130C2 (sv) 2011-05-03
CA2599773F (en) 2008-12-25
US8444809B2 (en) 2013-05-21
US20080314534A1 (en) 2008-12-25
JP5220391B2 (ja) 2013-06-26
CA2599773C (en) 2014-07-08
SE0801458L (sv) 2008-12-26
CA2599773A1 (en) 2008-12-25
CN101435168A (zh) 2009-05-20
RU2459025C2 (ru) 2012-08-20
JP2009001952A (ja) 2009-01-08
RU2007147345A (ru) 2009-07-20

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]