EP1846614A4 - Verfahren zur steuerung eines aufschlussverfahrens - Google Patents

Verfahren zur steuerung eines aufschlussverfahrens

Info

Publication number: EP1846614A4
Authority: EP; European Patent Office
Prior art keywords: controlling; pulping process; pulping
Prior art date: 2005-01-05
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP05818865A

Other languages

English (en)

French (fr)

Other versions

EP1846614A1 (de

Inventor

Erkki Kivekaes

Ari Havu

Lasse Hernesniemi

Seppo Hiljanen

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.)

Valmet Technologies Oy

Original Assignee

Metso Paper 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.)

2005-01-05

Filing date

2005-12-22

Publication date

2012-12-19

2005-12-22 Application filed by Metso Paper Oy filed Critical Metso Paper Oy

2007-10-24 Publication of EP1846614A1 publication Critical patent/EP1846614A1/de

2012-12-19 Publication of EP1846614A4 publication Critical patent/EP1846614A4/de

Status Withdrawn legal-status Critical Current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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/228—Automation of the pulping processes

EP05818865A 2005-01-05 2005-12-22 Verfahren zur steuerung eines aufschlussverfahrens Withdrawn EP1846614A4 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date	Code	Title	Description
2007-09-21	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
2007-10-24	17P	Request for examination filed	Effective date: 20070627
2007-10-24	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
2008-04-09	DAX	Request for extension of the european patent (deleted)
2012-12-19	A4	Supplementary search report drawn up and despatched	Effective date: 20121121
2012-12-19	RIC1	Information provided on ipc code assigned before grant	Ipc: D21C 3/22 20060101ALI20121115BHEP Ipc: D21C 7/12 20060101AFI20121115BHEP
2013-08-07	17Q	First examination report despatched	Effective date: 20130704
2014-05-07	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: VALMET TECHNOLOGIES, INC.
2016-08-05	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
2016-09-07	18D	Application deemed to be withdrawn	Effective date: 20160329

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