ES2159175T3 - Metodo y dispositivo para la coccion continua de pasta papelera. - Google Patents
Metodo y dispositivo para la coccion continua de pasta papelera.Info
- Publication number
- ES2159175T3 ES2159175T3 ES98903344T ES98903344T ES2159175T3 ES 2159175 T3 ES2159175 T3 ES 2159175T3 ES 98903344 T ES98903344 T ES 98903344T ES 98903344 T ES98903344 T ES 98903344T ES 2159175 T3 ES2159175 T3 ES 2159175T3
- Authority
- ES
- Spain
- Prior art keywords
- con
- cooking
- zone
- current
- fibre material
- 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.)
- Expired - Lifetime
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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- General Preparation And Processing Of Foods (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A UN PROCEDIMIENTO NUEVO Y PERFECCIONADO PARA LA COCCION CONTINUADA DE MATERIAL DE FIBRA, CARACTERIZADO PORQUE LAS TEMPERATURAS Y LOS NIVELES DE MATERIAL ALCALINO SE CONTROLAN A FIN DE MANTENERSE DENTRO DE NIVELES ESPECIFICOS EN DIFERENTES ZONAS DEL PROCESO DE DIGESTION, A FIN DE OPTIMIZAR EL CONSUMO DE PRODUCTOS QUIMICOS Y ECONOMIZAR CALOR Y CONSEGUIR, AL MISMO TIEMPO, PROPIEDADES EXCELENTES PARA LA PASTA. EL MATERIAL DE FIBRA SE CALIENTE E IMPREGNA CON AYUDA DE LEJIA NEGRA HASTA UNA TEMPERATURA INFERIOR A 140°C, Y SE HACE PASAR A CONTRACORRIENTE A UNA ZONA DE IMPREGNACION (A). EL MATERIAL DE FIBRA CALENTADO E IMPREGNADO SE TRANSFIERE A UNA ZONA DE COCCION A CONTRACORRIENTE (B) EN LA PARTE SUPERIOR DE UN DIGESTOR (6). AL MENOS UN 60% DE LA CANTIDAD DE LEJIA (F) QUE SE NECESITA PARA LA REACCION DE COCCION SE SUMINISTRA EN EL EXTREMO AGUAS ARRIBA DE LA ZONA DE COCCION A CONTRACORRIENTE (B), A FIN DE OBTENER UN NIVEL DE MATERIAL ALCALINO EFECTIVO SUPERIOR A 35G/L. LA TEMPERATURA DE COCCION DE LA ZONA DE COCCION A CONTRACORRIENTE (B) ES INFERIOR A 160°C. EL LEJIA APAGADA (E), CON UNA CANTIDAD DE MATERIAL ALCALINO EFECTIVO DE AL MENOS 13 G/L, SE RETIRA DE UN ANILLO DE FILTRO (8). UNA PARTE SUSTANCIAL DEL MORDIENTE APAGADO SE SUMINISTRA A LA ZONA DE IMPREGNACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE1997/000192 WO1998035090A1 (en) | 1997-02-09 | 1997-02-09 | Continuous method for producing pulp with spent liquor impregnation |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2159175T3 true ES2159175T3 (es) | 2001-09-16 |
Family
ID=20405502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98903344T Expired - Lifetime ES2159175T3 (es) | 1997-02-09 | 1998-02-09 | Metodo y dispositivo para la coccion continua de pasta papelera. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0909353B1 (es) |
AT (1) | ATE201064T1 (es) |
AU (1) | AU2183697A (es) |
CA (1) | CA2279283C (es) |
DE (1) | DE69800767T2 (es) |
ES (1) | ES2159175T3 (es) |
WO (1) | WO1998035090A1 (es) |
ZA (1) | ZA98936B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1318688C (zh) * | 2003-08-26 | 2007-05-30 | 山东泉林纸业有限责任公司 | 一种烧碱法制浆所用原料的浸渍预处理工艺 |
SE527058C2 (sv) * | 2004-02-09 | 2005-12-13 | Kvaerner Pulping Tech | Kontinuerlig kokprocess med förbättrad värmeekonomi |
SE533670C2 (sv) * | 2009-04-01 | 2010-11-30 | Metso Fiber Karlstad Ab | System och metod för reglering av en kontinuerlig ångfaskokare |
CN103215834B (zh) * | 2013-04-17 | 2015-01-07 | 岳阳林纸股份有限公司 | 一种节能环保型连续蒸煮工艺 |
RU2670855C1 (ru) * | 2017-06-26 | 2018-10-25 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна" | Способ варки технологической щепы в производстве целлюлозы |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2639987A (en) * | 1947-07-09 | 1953-05-26 | Ass Pulp & Paper Mills | Two-stage pulping process |
FI82079C (fi) * | 1989-04-27 | 1993-05-11 | Poeyry Jaakko & Co Oy | Foerfarande och anordning foer kontinuerlig kokning av cellulosa |
SE502039C2 (sv) * | 1993-12-29 | 1995-07-24 | Kvaerner Pulping Tech | Sätt och anordning för kontinuerlig kokning av massa |
AU2697295A (en) * | 1994-09-02 | 1996-03-27 | Kamyr Inc. | Continuous kraft cooking with black liquor pretreatment |
US5635026A (en) * | 1995-11-13 | 1997-06-03 | Ahlstrom Machinery Inc. | Cooking cellulose material with high alkali concentrations and/or high pH |
-
1997
- 1997-02-09 WO PCT/SE1997/000192 patent/WO1998035090A1/en active Application Filing
- 1997-02-09 AU AU21836/97A patent/AU2183697A/en not_active Abandoned
-
1998
- 1998-02-05 ZA ZA98936A patent/ZA98936B/xx unknown
- 1998-02-09 DE DE69800767T patent/DE69800767T2/de not_active Revoked
- 1998-02-09 ES ES98903344T patent/ES2159175T3/es not_active Expired - Lifetime
- 1998-02-09 AT AT98903344T patent/ATE201064T1/de not_active IP Right Cessation
- 1998-02-09 EP EP98903344A patent/EP0909353B1/en not_active Revoked
- 1998-02-09 CA CA002279283A patent/CA2279283C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE201064T1 (de) | 2001-05-15 |
ZA98936B (en) | 1998-09-23 |
DE69800767D1 (de) | 2001-06-13 |
WO1998035090A1 (en) | 1998-08-13 |
DE69800767T2 (de) | 2001-11-29 |
CA2279283C (en) | 2008-08-26 |
EP0909353B1 (en) | 2001-05-09 |
CA2279283A1 (en) | 1998-08-13 |
AU2183697A (en) | 1998-08-26 |
EP0909353A1 (en) | 1999-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Grant refused |
Effective date: 19990511 |
|
FG2A | Definitive protection |
Ref document number: 909353 Country of ref document: ES |