EP1846614A4 - Verfahren zur steuerung eines aufschlussverfahrens - Google Patents
Verfahren zur steuerung eines aufschlussverfahrensInfo
- Publication number
- EP1846614A4 EP1846614A4 EP05818865A EP05818865A EP1846614A4 EP 1846614 A4 EP1846614 A4 EP 1846614A4 EP 05818865 A EP05818865 A EP 05818865A EP 05818865 A EP05818865 A EP 05818865A EP 1846614 A4 EP1846614 A4 EP 1846614A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- controlling
- pulping process
- pulping
- 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- Withdrawn
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
- D21C3/228—Automation of the pulping processes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20055011A FI123011B (fi) | 2005-01-05 | 2005-01-05 | Menetelmä selluloosamassan keittoprosessin säätämiseksi |
PCT/FI2005/050479 WO2006072653A1 (en) | 2005-01-05 | 2005-12-22 | Method for controlling a pulping process |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1846614A1 EP1846614A1 (de) | 2007-10-24 |
EP1846614A4 true EP1846614A4 (de) | 2012-12-19 |
Family
ID=34112662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05818865A Withdrawn EP1846614A4 (de) | 2005-01-05 | 2005-12-22 | Verfahren zur steuerung eines aufschlussverfahrens |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090250180A1 (de) |
EP (1) | EP1846614A4 (de) |
CA (1) | CA2592887C (de) |
FI (1) | FI123011B (de) |
WO (1) | WO2006072653A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090188641A1 (en) * | 2008-01-30 | 2009-07-30 | Andritz Inc. | Method and system for measuring and controlling digester or impregnation vessel chip level by measuring chip pressure |
EP2085509A3 (de) * | 2008-02-01 | 2010-12-29 | Andritz, Inc. | Verfahren zur Messung und Steuerung des Schnitzelstandes eines Kochers oder Tränkungsbehälters mittels Schnitzeldruckmessung |
CN107587370A (zh) * | 2009-02-13 | 2018-01-16 | Abb研究有限公司 | 用于优化连续蒸煮过程的***和方法 |
WO2012087228A1 (en) * | 2010-12-22 | 2012-06-28 | Stora Enso Oyj | A method of controlling a pulping process in a feed-forward manner |
CN102605663A (zh) * | 2012-03-20 | 2012-07-25 | 湖南骏泰浆纸有限责任公司 | 一种木片流量监控***及稳定制浆连续蒸煮的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146422A (en) * | 1976-08-24 | 1979-03-27 | Kamyr Inc. | Method for obtaining any variation in the fiber content of a digester effluent slurry |
WO1994020671A1 (en) * | 1993-03-02 | 1994-09-15 | Iggesund Tools Ab | Method for controlling a process by measurement of wood chips |
US20020121349A1 (en) * | 2001-03-05 | 2002-09-05 | Warren Sita Ruby | Process for controlling a digester using real time measurement of moisture content and species of wood |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4239590A (en) * | 1979-01-11 | 1980-12-16 | Kamyr, Inc. | Method of maintaining uniformity of fibrous material fed to a continuous digester |
SU798215A1 (ru) * | 1979-01-29 | 1981-01-23 | Украинское Научно-Производственноеобъединение Целлюлозно-Бумажнойпромышленности | Способ автоматического управлени пРОцЕССОМ пОлучЕНи цЕллюлОзы |
US4990219A (en) * | 1989-06-13 | 1991-02-05 | Elsag International B.V. | Apparatus for controlling the degree of cooking in a digester |
US5818594A (en) * | 1994-12-27 | 1998-10-06 | Lukander; Ronald | Method and apparatus for measuring the dimensions of three-dimensional objects such as chips used in pulp manufacture |
DE19510008C2 (de) * | 1995-03-23 | 1997-01-30 | Siemens Ag | Verfahren und Vorrichtung zur Prozeßführung bei der Zellstoff- und/oder Papierherstellung |
CA2258982A1 (fr) * | 1999-01-27 | 2000-07-27 | Real Frenette | Analyseur de copeaux |
-
2005
- 2005-01-05 FI FI20055011A patent/FI123011B/fi not_active IP Right Cessation
- 2005-12-22 US US11/794,605 patent/US20090250180A1/en not_active Abandoned
- 2005-12-22 WO PCT/FI2005/050479 patent/WO2006072653A1/en active Application Filing
- 2005-12-22 EP EP05818865A patent/EP1846614A4/de not_active Withdrawn
- 2005-12-22 CA CA2592887A patent/CA2592887C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146422A (en) * | 1976-08-24 | 1979-03-27 | Kamyr Inc. | Method for obtaining any variation in the fiber content of a digester effluent slurry |
WO1994020671A1 (en) * | 1993-03-02 | 1994-09-15 | Iggesund Tools Ab | Method for controlling a process by measurement of wood chips |
US20020121349A1 (en) * | 2001-03-05 | 2002-09-05 | Warren Sita Ruby | Process for controlling a digester using real time measurement of moisture content and species of wood |
Non-Patent Citations (1)
Title |
---|
See also references of WO2006072653A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2592887A1 (en) | 2006-07-13 |
CA2592887C (en) | 2013-02-12 |
US20090250180A1 (en) | 2009-10-08 |
FI123011B (fi) | 2012-09-28 |
FI20055011A0 (fi) | 2005-01-05 |
FI20055011A (fi) | 2006-07-06 |
EP1846614A1 (de) | 2007-10-24 |
WO2006072653A1 (en) | 2006-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20070627 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20121121 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: D21C 3/22 20060101ALI20121115BHEP Ipc: D21C 7/12 20060101AFI20121115BHEP |
|
17Q | First examination report despatched |
Effective date: 20130704 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VALMET TECHNOLOGIES, INC. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160329 |