SE1850279A1 - 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

Info

Publication number
SE1850279A1
SE1850279A1 SE1850279A SE1850279A SE1850279A1 SE 1850279 A1 SE1850279 A1 SE 1850279A1 SE 1850279 A SE1850279 A SE 1850279A SE 1850279 A SE1850279 A SE 1850279A SE 1850279 A1 SE1850279 A1 SE 1850279A1
Authority
SE
Sweden
Prior art keywords
treatment
arrangement
withdrawing
control system
treatment vessel
Prior art date
Application number
SE1850279A
Other versions
SE541978C2 (en
Inventor
Jerk Söderman
Jonas Saetheråsen
Roger Jansson
Original Assignee
Valmet 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.)
Filing date
Publication date
Application filed by Valmet Oy filed Critical Valmet Oy
Priority to SE1850279A priority Critical patent/SE541978C2/en
Priority to PCT/SE2019/050154 priority patent/WO2019177509A1/en
Priority to EP19768364.2A priority patent/EP3765667A4/en
Priority to BR112020018514-0A priority patent/BR112020018514B1/en
Publication of SE1850279A1 publication Critical patent/SE1850279A1/en
Publication of SE541978C2 publication Critical patent/SE541978C2/en
Priority to CL2020002289A priority patent/CL2020002289A1/en

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

Landscapes

  • Paper (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

The present invention relates to an arrangement for withdrawing treatment liquors from a treatment vessel in a continuous treatment vessel system, said treatment vessel comprising a chamber wall of a treatment chamber,wherein the arrangement comprises a plurality of screens arranged in the chamber wall for withdrawing liquor from the treatment chamber, said screens being arranged in at least two screen rows, one above the other; at least one withdrawal compartment for each screen row for receiving liquor from the screens, and at least one header for receiving liquor from the withdrawal compartments via a throttle hole for each withdrawal compartment, and wherein the header is connected to at least one withdrawal compartment on at least two screen rows.The invention also relates to a system comprising a plurality of arrangements and to a control system for controlling the operation of at least one such arrangement.
SE1850279A 2018-03-13 2018-03-13 Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system SE541978C2 (en)

Priority Applications (5)

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
EP19768364.2A EP3765667A4 (en) 2018-03-13 2019-02-20 Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system
BR112020018514-0A BR112020018514B1 (en) 2018-03-13 2019-02-20 Arrangement and system for withdrawing treatment liquors from a treatment vessel in a continuous treatment vessel system and control system for controlling operation of an arrangement for withdrawing treatment liquors from a treatment vessel in a continuous treatment vessel system
CL2020002289A CL2020002289A1 (en) 2018-03-13 2020-09-04 Arrangement to withdraw treatment liquors in a continuous treatment tank system and a corresponding control system

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE1850279A1 true SE1850279A1 (en) 2019-09-14
SE541978C2 SE541978C2 (en) 2020-01-14

Family

ID=67908397

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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)

Family Cites Families (9)

* 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
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
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
WO2011096857A1 (en) * 2010-02-02 2011-08-11 Metso Paper Sweden Ab Continuous digester with improved heating circulation
SE539453C2 (en) * 2015-12-09 2017-09-26 Valmet Oy Screen arrangement for withdrawing treatment liquors in treatment vessels

Also Published As

Publication number Publication date
BR112020018514A2 (en) 2020-12-29
CL2020002289A1 (en) 2021-02-05
WO2019177509A1 (en) 2019-09-19
SE541978C2 (en) 2020-01-14
EP3765667A4 (en) 2021-12-15
EP3765667A1 (en) 2021-01-20
BR112020018514B1 (en) 2022-06-21

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