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BRPI0514933A - aparelho e método para o tratamento de polpa - Google Patents

aparelho e método para o tratamento de polpa

Info

Publication number
BRPI0514933A
BRPI0514933A BRPI0514933-9A BRPI0514933A BRPI0514933A BR PI0514933 A BRPI0514933 A BR PI0514933A BR PI0514933 A BRPI0514933 A BR PI0514933A BR PI0514933 A BRPI0514933 A BR PI0514933A
Authority
BR
Brazil
Prior art keywords
pulp
treated
treatment
filtrates
treatment apparatus
Prior art date
Application number
BRPI0514933-9A
Other languages
English (en)
Inventor
Olavi Pikka
Pekka Tervola
Hannu R Nk Nharju
Original Assignee
Andritz 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33041500&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0514933(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Oy filed Critical Andritz Oy
Publication of BRPI0514933A publication Critical patent/BRPI0514933A/pt
Publication of BRPI0514933B1 publication Critical patent/BRPI0514933B1/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

APARELHO E MéTODO PARA O TRATAMENTO DE POLPA A presente invenção refere-se a um aparelho e a um método para o tratamento de polpa. O aparelho compreende pelo menos uma superfície permeável a água que gira em torno de um eixo, superfície essa na qual uma camada é formada de polpa, meios para alimentarem a polpa que está sendo tratada para o aparelho, meios para descarregarem a polpa tratada do aparelho e meios para removerem filtrados do aparelho. Um aspecto de caracterização é o de que o aparelho é provido de pelo menos uma estrutura interna para formar pelo menos duas seções de tratamento no aparelho de uma maneira tal que cada seção é conectada a pelo menos meios para alimentarem uma polpa de forma que as polpas que estão sendo tratadas nas seções se originem de estágios de tratamento essencialmente diferentes, a meios para descarregarem a polpa de forma que as polpas tratadas são descarregadas do aparelho separadamente umas das outras, e a meios para removerem filtrados de forma que os filtrados sejam removidos do aparelho separadamente uns dos outros.
BRPI0514933A 2004-09-07 2005-09-07 aparelho e método para o tratamento de polpa BRPI0514933B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20041161A FI122775B (fi) 2004-09-07 2004-09-07 Laite ja menetelmä massan käsittelemiseksi
PCT/FI2005/000382 WO2006027414A1 (en) 2004-09-07 2005-09-07 Apparatus and method for washing pulps

Publications (2)

Publication Number Publication Date
BRPI0514933A true BRPI0514933A (pt) 2008-07-01
BRPI0514933B1 BRPI0514933B1 (pt) 2016-09-13

Family

ID=33041500

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514933A BRPI0514933B1 (pt) 2004-09-07 2005-09-07 aparelho e método para o tratamento de polpa

Country Status (7)

Country Link
US (1) US8052839B2 (pt)
EP (1) EP1805360B1 (pt)
CN (1) CN101014738B (pt)
BR (1) BRPI0514933B1 (pt)
CA (1) CA2578004C (pt)
FI (1) FI122775B (pt)
WO (1) WO2006027414A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537925C2 (sv) * 2013-05-03 2015-11-24 Valmet Oy Metod och system för tvättning av cellulosamassa

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587257A (en) 1967-10-16 1971-06-28 Stadler Hurter International L Bleaching system including a single,triple-deck table washer
GB2059469B (en) * 1979-09-26 1983-09-01 Reed International Ltd Washing fibre stock
US4440596A (en) * 1982-05-21 1984-04-03 Northern Telecom Limited Control of diameter of fiber insulation on conductors
US4543155A (en) * 1983-01-31 1985-09-24 The Boc Group, Inc. Method for bleaching wood pulp including dissolving oxygen into the dilution water of an extraction stage
JPS59206021A (ja) 1983-05-11 1984-11-21 Tsukishima Kikai Co Ltd ベルトフイルタにおける濾液濁防止装置
US4551248A (en) * 1983-06-03 1985-11-05 Dorr-Oliver Incorporated Filter drum for rotary drum vacuum filter
FI71961C (fi) * 1985-10-31 1987-03-09 Enso Gutzeit Oy Anordning foer tvaettning av cellulosa.
FI74752C (fi) 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
FI81725C (fi) 1987-11-05 1990-12-10 Ahlstroem Oy Foerfarande och anordning foer behandling av fibersuspension.
US5203968A (en) 1988-04-13 1993-04-20 A. Ahlstrom Corporation Apparatus for treating fiber suspensions having rotatable liquid permeable treatment ducts
FI88939C (fi) * 1991-06-17 1993-07-26 Sunds Porin Tehtaat Oy Tvaettare
US5482594A (en) * 1991-08-21 1996-01-09 Salminen; Reijo Liquid removal apparatus and method for wood pulp
US5275024A (en) * 1992-05-04 1994-01-04 The Black Clawson Company Paper pulp washing
FI91938C (fi) 1993-02-09 1994-09-12 Ahlstroem Oy Laite massan käsittelemiseksi
FI107742B (fi) 1995-09-11 2001-09-28 Andritz Ahlstrom Oy Menetelmä ja laite massan käsittelemiseksi
US6006554A (en) 1998-06-03 1999-12-28 Beloit Technologies, Inc. Two stage counter current drum washer

Also Published As

Publication number Publication date
US8052839B2 (en) 2011-11-08
FI20041161A0 (fi) 2004-09-07
FI122775B (fi) 2012-06-29
FI20041161L (fi) 2006-03-08
BRPI0514933B1 (pt) 2016-09-13
WO2006027414A1 (en) 2006-03-16
US20080196848A1 (en) 2008-08-21
EP1805360B1 (en) 2016-07-13
CN101014738A (zh) 2007-08-08
EP1805360A4 (en) 2013-02-20
CA2578004A1 (en) 2006-03-16
CN101014738B (zh) 2011-02-02
CA2578004C (en) 2013-02-05
EP1805360A1 (en) 2007-07-11

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/09/2016, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2478 DE 03-07-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.