ES2195672A1 - Metodo y aparato para la trituracion con calentamiento controlado para mejorar la delignificacion y la resistencia de la pasta. - Google Patents

Metodo y aparato para la trituracion con calentamiento controlado para mejorar la delignificacion y la resistencia de la pasta.

Info

Publication number
ES2195672A1
ES2195672A1 ES009950018A ES9950018A ES2195672A1 ES 2195672 A1 ES2195672 A1 ES 2195672A1 ES 009950018 A ES009950018 A ES 009950018A ES 9950018 A ES9950018 A ES 9950018A ES 2195672 A1 ES2195672 A1 ES 2195672A1
Authority
ES
Spain
Prior art keywords
vaporization
suspension
pressure
temperature
desirably
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.)
Withdrawn
Application number
ES009950018A
Other languages
English (en)
Inventor
J Robert Prough
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.)
Andritz Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24929257&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2195672(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Inc filed Critical Andritz Inc
Publication of ES2195672A1 publication Critical patent/ES2195672A1/es
Withdrawn legal-status Critical Current

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
    • 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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices

Landscapes

  • Paper (AREA)

Abstract

La vaporización y suspensión a baja temperatura de astillas de madera dan como resultado una importante mejora en el tratamiento, siendo mantenidas las astillas a una temperatura inferior a 110ºC (de forma más deseable, a aproximadamente 105ºC o menos y, de la forma más deseable, a aproximadamente l00ºC o menos) hasta que realmente se calientan hasta la temperatura de cocción. La vaporización se puede lograr utilizando una tolva de astillas vertical con una convergencia dimensional y desahogo lateral, o un recipiente de vaporización horizontal, estando conectado el recipiente de vaporización a un alimentador a alta presión. Se puede utilizar una bomba con una NPSHR menor que la NPSHA para aspirar suspensión al alimentador a alta presión desde el dispositivo de vaporización, o una bomba puede estar dispuesta entre el dispositivo de vaporización y el alimentador a alta presión para forzar la suspensión al alimentador de alta presión a través de un conducto que incluye un codo redondeado. La vaporización se efectúa a una presión de 0,35 bares o menos, de preferencia se efectúa una vaporización esencialmente atmosférica. La pasta producida típicamente tiene propiedades de resistencia al menos aproximadamente 10% mayores que la pasta producida de material en el que se vaporiza y suspende a temperaturas superiores a 110ºC.
ES009950018A 1996-10-10 1997-09-17 Metodo y aparato para la trituracion con calentamiento controlado para mejorar la delignificacion y la resistencia de la pasta. Withdrawn ES2195672A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/729,022 US5736006A (en) 1996-10-10 1996-10-10 Method and apparatus for pulping with controlled heating to improve delignification and pulp strength

Publications (1)

Publication Number Publication Date
ES2195672A1 true ES2195672A1 (es) 2003-12-01

Family

ID=24929257

Family Applications (1)

Application Number Title Priority Date Filing Date
ES009950018A Withdrawn ES2195672A1 (es) 1996-10-10 1997-09-17 Metodo y aparato para la trituracion con calentamiento controlado para mejorar la delignificacion y la resistencia de la pasta.

Country Status (11)

Country Link
US (1) US5736006A (es)
JP (1) JP3560162B2 (es)
AU (1) AU725906B2 (es)
BR (1) BR9711890A (es)
CA (1) CA2265872C (es)
ES (1) ES2195672A1 (es)
FI (1) FI122813B (es)
ID (1) ID19820A (es)
SE (1) SE525751C2 (es)
WO (1) WO1998015687A1 (es)
ZA (1) ZA979000B (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998059107A1 (en) * 1997-06-25 1998-12-30 Kvaerner Pulping Ab Method in connection with the pretreatment of comminuted fibrous material
US6120646A (en) * 1998-04-06 2000-09-19 Kvaerner Pulping Ab Feeding system of feeding a cellulose material
US6284095B1 (en) 1999-02-04 2001-09-04 Andritz-Ahlstrom Inc. Minimization of malodorous gas release from a cellulose pulp mill feed system
US6368453B1 (en) * 1999-03-18 2002-04-09 Andritz Inc. Chip feeding to a comminuted cellulosic fibrous material treatment vessel
US6468006B1 (en) 1999-05-11 2002-10-22 Andritz, Inc. High pressure feeder having restriction ramp in high pressure inlet
US20030231933A1 (en) * 1999-05-11 2003-12-18 Andritz Inc. High pressure feeder having smooth pocket in rotor
CA2318027C (en) * 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
US6451172B1 (en) 2000-05-18 2002-09-17 Andritz Inc. In-line drainer enhancements
US6436233B1 (en) 2000-05-18 2002-08-20 Andritz Inc. Feeding cellulose material to a treatment vessel
SE0104247L (sv) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Förbehandling av flis med färsk vitlut före behandling med svartlut
JP2005537402A (ja) * 2002-09-02 2005-12-08 ジーケーピー テクノロジーズ インコーポレイテッド 廃段ボールからクラフトパルプを自動に解離／抽出して再生する装置及び方法
AU2003291874A1 (en) * 2003-06-03 2005-01-21 David Tarasenko Method for producing pulp and lignin
US7060162B2 (en) * 2003-08-29 2006-06-13 Jack T. Baker Chip bin
SE528571C2 (sv) * 2005-03-23 2006-12-19 Kvaerner Pulping Tech Arrangemang för matning av en flissuspension från ett kärl till en kokare
FI118005B (fi) * 2005-09-27 2007-05-31 Metso Paper Inc Syötin
AT503611B1 (de) * 2006-05-10 2009-05-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
AT503610B1 (de) 2006-05-10 2012-03-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
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
US8651772B2 (en) * 2007-12-20 2014-02-18 General Electric Company Rotary apparatus for use with a gasifier system and methods of using the same
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
US8956505B2 (en) * 2009-06-11 2015-02-17 Andritz Technology And Asset Management Gmbh Compact feed system and method for comminuted cellulosic material
CN102666974B (zh) * 2009-11-24 2015-09-09 安德里兹有限公司 用于薄碎屑蒸煮器蒸煮的方法和系统
US9115214B2 (en) 2012-09-24 2015-08-25 Abengoa Bioenergy New Technologies, Llc Methods for controlling pretreatment of biomass
FI130568B (en) 2020-07-06 2023-11-21 Amppc Finland Oy Cooking procedure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
US4958741A (en) * 1989-06-14 1990-09-25 Jr Johanson, Inc. Modular mass-flow bin
US5302247A (en) * 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester
US5413677A (en) * 1993-04-05 1995-05-09 Kamyr, Inc. Method for producing chemical pulp from hardwood chips
US5476572A (en) * 1994-06-16 1995-12-19 Kamyr, Inc. Chip feeding for a continuous digester
US5622598A (en) * 1995-04-25 1997-04-22 Ahlstrom Machinery Inc. Chip pumping to a digester

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215588A (en) * 1963-08-15 1965-11-02 Lummus Co Continuous impregnation, cooking, and washing of fibrous material
US3619348A (en) * 1969-09-05 1971-11-09 Defibrator Ab Process for continuous cellulose cooking
US3664918A (en) * 1969-12-09 1972-05-23 Pulp Paper Res Inst Vapor phase pulping of water saturated lignocellulosic materials
US4632729A (en) * 1984-05-01 1986-12-30 Laakso Oliver A Chip presteaming and air washing
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US5183535B1 (en) * 1990-02-09 1996-02-06 Sunds Defibrator Rauma Oy Process for preparing kraft pulp using black liquor pretreatment reaction
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
US4958741A (en) * 1989-06-14 1990-09-25 Jr Johanson, Inc. Modular mass-flow bin
US5302247A (en) * 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester
US5413677A (en) * 1993-04-05 1995-05-09 Kamyr, Inc. Method for producing chemical pulp from hardwood chips
US5476572A (en) * 1994-06-16 1995-12-19 Kamyr, Inc. Chip feeding for a continuous digester
US5622598A (en) * 1995-04-25 1997-04-22 Ahlstrom Machinery Inc. Chip pumping to a digester

Also Published As

Publication number Publication date
SE525751C2 (sv) 2005-04-19
FI122813B (fi) 2012-07-13
ZA979000B (en) 1998-10-12
WO1998015687A1 (en) 1998-04-16
JP3560162B2 (ja) 2004-09-02
JP2001527605A (ja) 2001-12-25
AU725906B2 (en) 2000-10-26
AU4351597A (en) 1998-05-05
CA2265872C (en) 2005-01-04
US5736006A (en) 1998-04-07
ID19820A (id) 1998-08-06
BR9711890A (pt) 1999-09-21
CA2265872A1 (en) 1998-04-16
FI990747L (fi) 1999-06-04
FI990747A0 (fi) 1999-03-31
SE9901264L (sv) 1999-06-09
SE9901264D0 (sv) 1999-04-09

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 20031128