ES474980A1 - Un aparato lavador de pasta de madera - Google Patents
Un aparato lavador de pasta de maderaInfo
- Publication number
- ES474980A1 ES474980A1 ES474980A ES474980A ES474980A1 ES 474980 A1 ES474980 A1 ES 474980A1 ES 474980 A ES474980 A ES 474980A ES 474980 A ES474980 A ES 474980A ES 474980 A1 ES474980 A1 ES 474980A1
- Authority
- ES
- Spain
- Prior art keywords
- washer
- receptacles
- hood
- belt
- vacuum boxes
- 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
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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
Un aparato lavador de pasta de madera que comprende una banda perforada movible a velocidades variables y situada sobre una serie de rodillos de tal manera que se forme una sección de trayectoria superior sustancialmente horizontal, una caja de carga situada sobre la banda en un extremo de dicha sección de trayectoria para distribuir una suspensión de pasta de madera en licor de pulpa agotado sobre dicha banda perforada móvil y una pluralidad de dispositivos de descarga de líquido de lavado situados encima de la banda para descargar líquido de lavado sobre la parte alta de la pasta que está en la banda, caracterizado porque una campana separable está situada sobre al menos una parte de dicha sección de trayectoria superior de la banda, una pluralidad de receptáculos de parte superior plana está situada horizontalmente debajo de la parte de la sección de trayectoria superior de la banda cubierta por la campana, teniendo dichos receptáculos y una longitud que se extiende transversalmente a labanda y que excede de la anchura de la banda, los receptáculos están situados uno junto a otro de tal manera que sus superficies superiores formen una superficie sustancialmente plana debajo de dicha banda con un cierre sustancialmente hermético entre los receptáculos en su superficie superior; los receptáculos comunican con la cara inferior de la banda por aberturas previstas en sus superficies superiores, la campana forma un compartimiento sustancialmente cerrado de modo hermético sobre dicha parte de la banda y los receptáculos unos dispositivos de descarga de líquido de lavado están situados dentro de la campana transversalmente a la dirección de movimiento de la banda y espaciados uno de otro para descargar líquido de lavado sobre la aparte alta de la pasta que esta sobre la banda, unos medios de extracción de gas están dispuestos para retirar gasas y vapores de la parte superior de los receptáculos , unos medios generadores de presión están previstos para generar una diferencia de presión suficiente entre dicho compartimiento de la campana y los receptáculos para forzar al líquido de pulpa agotado desde la suspensión de pasta y al líquido de lavado descargado sobre la pasta que hay en los receptáculos , unos medios de extracción de líquido están previstos para retirar líquido de la parte inferior de los receptáculos de tal manera que el nivel de líquido en los receptáculos sean controlado, y unos medios de transporte están previstos para transportar líquido de lavado retirado de los receptáculos a dichos dispositivos de descarga de líquido de lavado de tal manera que el líquido de lavado sea descargado sobre la pasta sucesivamente una pluralidad de veces.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/881,725 US4154644A (en) | 1978-02-27 | 1978-02-27 | Pulp washer |
Publications (1)
Publication Number | Publication Date |
---|---|
ES474980A1 true ES474980A1 (es) | 1980-01-16 |
Family
ID=25379072
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES474980A Expired ES474980A1 (es) | 1978-02-27 | 1978-11-10 | Un aparato lavador de pasta de madera |
ES480401A Expired ES480401A1 (es) | 1978-02-27 | 1979-05-09 | Un procedimiento para lavar pasta de madera. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES480401A Expired ES480401A1 (es) | 1978-02-27 | 1979-05-09 | Un procedimiento para lavar pasta de madera. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4154644A (es) |
JP (1) | JPS54116403A (es) |
AT (1) | AT376718B (es) |
BE (1) | BE902439Q (es) |
BR (1) | BR7808053A (es) |
CA (1) | CA1088791A (es) |
DE (1) | DE2848682C3 (es) |
ES (2) | ES474980A1 (es) |
FI (1) | FI68095C (es) |
FR (1) | FR2418296A1 (es) |
GB (1) | GB2015610B (es) |
IT (1) | IT1102316B (es) |
SE (2) | SE446279C (es) |
SU (1) | SU1071231A3 (es) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4549415A (en) * | 1983-02-03 | 1985-10-29 | Beloit Corporation | Continuous counterflow belt washer |
US4539827A (en) * | 1983-03-11 | 1985-09-10 | Westvaco Corporation | Belt washing improvements |
US4608122A (en) * | 1983-03-11 | 1986-08-26 | Westvaco Corporation | Method for washing a paper fiber on a belt washer using a sonic frequency disturbance |
SE436209B (sv) * | 1983-04-13 | 1984-11-19 | Alf Ove Andersson | Forfarande vid tvettning av massa |
SE439788B (sv) * | 1983-11-01 | 1985-07-01 | Mo Och Domsjoe Ab | Anordning for avlegsnande av fororeningar ur cellulosamassa vid uttag av prov fran en massasuspension |
SE444826B (sv) * | 1984-09-17 | 1986-05-12 | Sunds Defibrator | Anordning for vetskebehandling av massa |
WO1986004938A1 (en) * | 1985-02-14 | 1986-08-28 | Edward Francis Elton | Method and apparatus for alkaline delignification of lignocellulosic fibrous materials |
US4680088A (en) * | 1985-02-21 | 1987-07-14 | Michael Scheck | Process for removing ink particles from paper products |
US4719772A (en) * | 1985-02-21 | 1988-01-19 | Michael Scheck | Apparatus for removing ink particles from paper products |
AT383627B (de) * | 1985-03-12 | 1987-07-27 | Andritz Ag Maschf | Waschvorrichtung fuer suspensionen |
FI74752C (fi) * | 1986-03-20 | 1992-12-01 | Ahlstroem Oy | Foerfarande och anordning foer tvaettning av cellulosa |
SE8601568L (sv) * | 1986-04-08 | 1987-10-09 | Sunds Defibrator | Anordning for vetskebehandling av massa |
NL8602703A (nl) * | 1986-06-19 | 1988-01-18 | Mudcleaning Services | Werkwijze voor het winnen van een basissuspensie, die geschikt is voor het bereiden van een bij het roterend boren van een gat in de aardbodem te gebruiken boorspoelingsuspensie, uit bij het boren ontstane afgewerkte suspensie. |
WO1990010750A1 (en) * | 1989-03-14 | 1990-09-20 | Green Bay Packaging, Inc. | Method and apparatus for washing cellulosic pulp |
AT394737B (de) * | 1989-07-03 | 1992-06-10 | Andritz Ag Maschf | Verfahren und vorrichtung zur behandlung, insbesondere waesche, von faserstoff-fluessigkeit- mischungen |
US5122229A (en) * | 1990-02-05 | 1992-06-16 | The Black Clawson Company | Apparatus and method for washing cellulosic pulp |
FR2660942B1 (fr) * | 1990-04-11 | 1994-09-09 | Kaysersberg Sa | Procede d'impregnation en continu d'une nappe textile. |
US5785810A (en) * | 1991-08-21 | 1998-07-28 | Salminen; Reijo K. | Wood pulp processing apparatus and method |
US5482594A (en) * | 1991-08-21 | 1996-01-09 | Salminen; Reijo | Liquid removal apparatus and method for wood pulp |
WO1993009285A1 (en) * | 1991-11-04 | 1993-05-13 | The Black Clawson Company | Apparatus and method for washing cellulosic pulp |
US5275024A (en) * | 1992-05-04 | 1994-01-04 | The Black Clawson Company | Paper pulp washing |
WO1994019534A1 (en) * | 1993-02-19 | 1994-09-01 | Salminen Reijo K | Wood pulp processing apparatus and method |
US6053439A (en) * | 1996-12-16 | 2000-04-25 | Inland Paperboard And Packaging, Inc. | Reducing wax content and enhancing quality of recycled pulp from OCC and waste paper |
WO1998029179A1 (en) * | 1997-01-02 | 1998-07-09 | Thermo Black Clawson Inc. | Improved mist eliminator |
BR9913040A (pt) | 1998-08-17 | 2001-05-08 | Thermo Black Clawson Inc | Processos de extrair um licor rico em açúcar e um componente de açúcar a partir de cana-de-açúcar |
US6339859B1 (en) * | 1999-06-25 | 2002-01-22 | Lewis D. Shackford | Control system for a filtrate splitting device |
AU6089300A (en) | 1999-07-12 | 2001-01-30 | Thermo Black Clawson Inc. | Improved mist eliminator |
WO2005028743A1 (ja) * | 2003-09-18 | 2005-03-31 | Hitachi Zosen Corporation | 麦わらパルプ製造における黒液の抽出方法 |
FR2885371B1 (fr) * | 2005-05-03 | 2007-08-03 | Cie Ind De La Matiere Vegetale | Installation pour la mise en oeuvre d'un procede de production de pate a papier, de lignines et de sucres et procede de production au moyen d'une telle installation |
US7716850B2 (en) * | 2006-05-03 | 2010-05-18 | Georgia-Pacific Consumer Products Lp | Energy-efficient yankee dryer hood system |
CA3144673C (en) * | 2019-06-28 | 2024-06-25 | Sustainable Fiber Technologies, LLC | Method and apparatus for treating lignocellulosic material |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1648111A (en) * | 1927-01-10 | 1927-11-08 | Collins Richard | Method of treating sulphate and soda pulp |
US2073654A (en) * | 1930-04-14 | 1937-03-16 | Smiley Ind Filter Company | Paper manufacture |
US1933609A (en) * | 1932-02-17 | 1933-11-07 | J O Ross Engineering Corp | Multiple stage pulp washer |
US2356285A (en) * | 1938-05-19 | 1944-08-22 | Downingtown Mfg Co | Apparatus for washing pulp |
US2352304A (en) * | 1940-08-03 | 1944-06-27 | Frank W Young | Filter |
US2431009A (en) * | 1943-10-08 | 1947-11-18 | Frank W Young | Foam control in brown stock washing |
US2737858A (en) * | 1954-04-27 | 1956-03-13 | Forming Machine Company Of Ame | Vertical chamber positive pressure machine for forming continuous strips of fibrous materials |
US2983383A (en) * | 1956-10-22 | 1961-05-09 | Us Hoffman Machinery Corp | Liquid filter |
US2999785A (en) * | 1959-07-17 | 1961-09-12 | Kamyr Ab | Method and plant for washing of cellulosic pulp under overpressure |
US3454970A (en) * | 1965-09-22 | 1969-07-15 | Lionel M Sutherland | Apparatus and process for washing a pulp web |
AU449389B2 (en) * | 1969-07-16 | 1974-05-27 | The Associated Paper Mills Limited | Methods and apparatus for producing fibrous webs andthe production of products therefrom |
NO136891B (no) * | 1973-01-10 | 1977-08-15 | Stranger Johannessen Per | Fremgangsm}te og apparat til kontinuerlig fortrengningsvasking av stoffmasser som inneholder en v{ske. |
US4046621A (en) * | 1974-12-17 | 1977-09-06 | The Ontario Paper Company Limited | Process for treating a slurry of cellulosic material |
-
1978
- 1978-02-27 US US05/881,725 patent/US4154644A/en not_active Expired - Lifetime
- 1978-10-24 GB GB7841753A patent/GB2015610B/en not_active Expired
- 1978-10-31 SE SE7811285A patent/SE446279C/sv not_active IP Right Cessation
- 1978-11-01 FI FI783321A patent/FI68095C/fi not_active IP Right Cessation
- 1978-11-01 CA CA315,723A patent/CA1088791A/en not_active Expired
- 1978-11-09 DE DE2848682A patent/DE2848682C3/de not_active Expired
- 1978-11-10 ES ES474980A patent/ES474980A1/es not_active Expired
- 1978-11-14 JP JP14038978A patent/JPS54116403A/ja active Granted
- 1978-11-16 IT IT29855/78A patent/IT1102316B/it active
- 1978-12-07 BR BR7808053A patent/BR7808053A/pt unknown
-
1979
- 1979-01-10 FR FR7900561A patent/FR2418296A1/fr active Granted
- 1979-02-22 AT AT0139279A patent/AT376718B/de not_active IP Right Cessation
- 1979-02-27 SU SU792731703A patent/SU1071231A3/ru active
- 1979-05-09 ES ES480401A patent/ES480401A1/es not_active Expired
-
1985
- 1985-05-15 BE BE0/215028A patent/BE902439Q/fr not_active IP Right Cessation
-
1988
- 1988-03-09 SE SE8800842A patent/SE466503B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE7811285L (sv) | 1979-08-28 |
ATA139279A (de) | 1984-05-15 |
SE8800842L (sv) | 1988-03-09 |
US4154644A (en) | 1979-05-15 |
FR2418296A1 (fr) | 1979-09-21 |
FI783321A (fi) | 1979-08-28 |
BR7808053A (pt) | 1979-09-25 |
SE8800842D0 (sv) | 1988-03-09 |
IT1102316B (it) | 1985-10-07 |
JPS54116403A (en) | 1979-09-10 |
GB2015610A (en) | 1979-09-12 |
FI68095C (fi) | 1987-04-14 |
IT7829855A0 (it) | 1978-11-16 |
BE902439Q (fr) | 1985-09-02 |
FI68095B (fi) | 1985-03-29 |
ES480401A1 (es) | 1980-02-01 |
SE466503B (sv) | 1992-02-24 |
DE2848682B2 (de) | 1981-07-09 |
SE446279C (sv) | 1989-04-17 |
FR2418296B1 (es) | 1983-11-04 |
SU1071231A3 (ru) | 1984-01-30 |
AT376718B (de) | 1984-12-27 |
GB2015610B (en) | 1982-12-01 |
SE446279B (sv) | 1986-08-25 |
JPS5747797B2 (es) | 1982-10-12 |
DE2848682A1 (de) | 1979-08-30 |
DE2848682C3 (de) | 1982-05-19 |
CA1088791A (en) | 1980-11-04 |
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