EP3765667A4 - Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system - Google Patents

Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system Download PDF

Info

Publication number
EP3765667A4
EP3765667A4 EP19768364.2A EP19768364A EP3765667A4 EP 3765667 A4 EP3765667 A4 EP 3765667A4 EP 19768364 A EP19768364 A EP 19768364A EP 3765667 A4 EP3765667 A4 EP 3765667A4
Authority
EP
European Patent Office
Prior art keywords
arrangement
corresponding control
withdrawing
control system
liquors
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.)
Pending
Application number
EP19768364.2A
Other languages
German (de)
French (fr)
Other versions
EP3765667A1 (en
Inventor
Jonas SAETHERÅSEN
Roger JANSSON
Jerk SÖDERMAN
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
Valmet AB
Original Assignee
Valmet Oy
Valmet AB
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
Application filed by Valmet Oy, Valmet AB filed Critical Valmet Oy
Publication of EP3765667A1 publication Critical patent/EP3765667A1/en
Publication of EP3765667A4 publication Critical patent/EP3765667A4/en
Pending 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
    • 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
EP19768364.2A 2018-03-13 2019-02-20 Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system Pending EP3765667A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1850279A SE541978C2 (en) 2018-03-13 2018-03-13 Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system
PCT/SE2019/050154 WO2019177509A1 (en) 2018-03-13 2019-02-20 Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system

Publications (2)

Publication Number Publication Date
EP3765667A1 EP3765667A1 (en) 2021-01-20
EP3765667A4 true EP3765667A4 (en) 2021-12-15

Family

ID=67908397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19768364.2A Pending EP3765667A4 (en) 2018-03-13 2019-02-20 Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system

Country Status (5)

Country Link
EP (1) EP3765667A4 (en)
BR (1) BR112020018514B1 (en)
CL (1) CL2020002289A1 (en)
SE (1) SE541978C2 (en)
WO (1) WO2019177509A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6120647A (en) * 1998-01-26 2000-09-19 Ahlstrom Machinery Inc. Simplified liquid removal system for a cellulose pulp digester
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
WO2011096857A1 (en) * 2010-02-02 2011-08-11 Metso Paper Sweden Ab Continuous digester with improved heating circulation
WO2017099654A1 (en) * 2015-12-09 2017-06-15 Valmet Ab Screen for treatment vessels

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE357219B (en) 1970-02-11 1973-06-18 Kamyr Ab
US4547264A (en) 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
JPH07157991A (en) * 1993-12-08 1995-06-20 New Oji Paper Co Ltd Extraction method for cooking liquor in continuous cooking and system therefor
US20020069986A1 (en) * 2000-06-16 2002-06-13 Marcoccia Bruno S. System and method for improved filtrate addition in a continuous digester
SE532855C2 (en) * 2008-10-13 2010-04-20 Metso Fiber Karlstad Ab A method of preventing clogging in a screen structure for a continuous digester

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US6120647A (en) * 1998-01-26 2000-09-19 Ahlstrom Machinery Inc. Simplified liquid removal system for a cellulose pulp digester
WO2011096857A1 (en) * 2010-02-02 2011-08-11 Metso Paper Sweden Ab Continuous digester with improved heating circulation
WO2017099654A1 (en) * 2015-12-09 2017-06-15 Valmet Ab Screen for treatment vessels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019177509A1 *

Also Published As

Publication number Publication date
BR112020018514A2 (en) 2020-12-29
SE1850279A1 (en) 2019-09-14
EP3765667A1 (en) 2021-01-20
CL2020002289A1 (en) 2021-02-05
BR112020018514B1 (en) 2022-06-21
SE541978C2 (en) 2020-01-14
WO2019177509A1 (en) 2019-09-19

Similar Documents

Publication Publication Date Title
ZA202109247B (en) Smart irrigation control system, and control method therefor
EP3569180A4 (en) Surgical assistance device, control method therefor, program, and surgical assistance system
EP3639725A4 (en) Medical system, medical apparatus, and control method
EP3636300A4 (en) Medical pump, control method for medical pump, and medical pump system
EP3805744A4 (en) Biological tissue image processing system, and machine learning method
EP3678030A4 (en) Distributed system for executing machine learning, and method therefor
EP3968596A4 (en) Control method, apparatus, and system
EP3456027A4 (en) System and method for a fallback access control list port configuration
EP3940998A4 (en) Control system, apparatus, and control method
EP3805363A4 (en) Multi-layer culture vessel operation system, multi-layer culture vessel operation device, and multi-layer culture vessel operation method
EP3767458A4 (en) Control system, controller, and control method
EP3660690A4 (en) Calculation unit, calculation system and control method for calculation unit
EP3603476A4 (en) Medical system control device, medical system control method, and medical system
EP3950239A4 (en) Control system, control method, and control unit
EP4020104A4 (en) Control system, control device, and program
EP3765667A4 (en) Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system
GB201901764D0 (en) A customer personalised control unit, system and method
EP3426337A4 (en) Methods and apparatuses for stimulating blood vessels in order to control, treat, and/or prevent a hemorrhage
EP4067083A4 (en) Printing system, control method, and printing method
EP4060957A4 (en) Access control method, apparatus and system
EP3992690A4 (en) Endoscope system, control device, and control method
EP3936952A4 (en) Counter unit, counter unit control method, control device, and control system
EP3998188A4 (en) Steering control device, steering control method, and steering control system
EP4043967A4 (en) Control system, and crane
EP3934556A4 (en) Auxiliary function control apparatus for medical devices, and related systems, and methods

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201013

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20211115

RIC1 Information provided on ipc code assigned before grant

Ipc: D21C 7/00 20060101ALI20211109BHEP

Ipc: D21C 7/14 20060101AFI20211109BHEP