CL2020002289A1 - Arrangement to withdraw treatment liquors in a continuous treatment tank system and a corresponding control system - Google Patents

Arrangement to withdraw treatment liquors in a continuous treatment tank system and a corresponding control system

Info

Publication number
CL2020002289A1
CL2020002289A1 CL2020002289A CL2020002289A CL2020002289A1 CL 2020002289 A1 CL2020002289 A1 CL 2020002289A1 CL 2020002289 A CL2020002289 A CL 2020002289A CL 2020002289 A CL2020002289 A CL 2020002289A CL 2020002289 A1 CL2020002289 A1 CL 2020002289A1
Authority
CL
Chile
Prior art keywords
filters
arrangement
treatment
treatment tank
withdraw
Prior art date
Application number
CL2020002289A
Other languages
Spanish (es)
Inventor
Roger Jansson
Jerk Söderman
Jonas Saetheråsen
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
Publication of CL2020002289A1 publication Critical 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

Abstract

La presente invención se relaciona con una disposición para retirar licores de tratamiento desde un depósito de tratamiento en un sistema de depósito de tratamiento continuo, donde dicho depósito de tratamiento comprende una pared de la cámara de una cámara de tratamiento, donde la disposición comprende una pluralidad de filtros dispuestos en la pared de la cámara para retirar licor desde la cámara de tratamiento, donde dichos filtros están dispuestos en al menos dos filas de filtros, una sobre la otra; al menos un compartimento de retiro para cada fila de filtros para recibir licor desde los filtros, y al menos un colector para recibir licor desde los compartimentos de retiro a través del orificio de válvula para cada compartimento de retiro, y donde el colector está conectado a al menos un compartimento de retiro en al menos dos filas de filtros. La invención se refiere además a un sistema que comprende una pluralidad de disposiciones y a un sistema de control para controlar la operación de al menos dicha disposición.The present invention relates to an arrangement for withdrawing treatment liquors from a treatment tank in a continuous treatment tank system, wherein said treatment tank comprises a chamber wall of a treatment chamber, where the arrangement comprises a plurality of filters arranged on the wall of the chamber to withdraw liquor from the treatment chamber, where said filters are arranged in at least two rows of filters, one above the other; at least one withdrawal compartment for each row of filters to receive liquor from the filters, and at least one manifold to receive liquor from the withdrawal compartments through the valve hole for each withdrawal compartment, and where the manifold is connected to at least one removal compartment in at least two rows of filters. The invention further relates to a system comprising a plurality of arrangements and to a control system for controlling the operation of at least said arrangement.

CL2020002289A 2018-03-13 2020-09-04 Arrangement to withdraw treatment liquors in a continuous treatment tank system and a corresponding control system CL2020002289A1 (en)

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 (1)

Publication Number Publication Date
CL2020002289A1 true CL2020002289A1 (en) 2021-02-05

Family

ID=67908397

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
SE1850279A1 (en) 2019-09-14
EP3765667A1 (en) 2021-01-20
BR112020018514B1 (en) 2022-06-21
SE541978C2 (en) 2020-01-14
WO2019177509A1 (en) 2019-09-19
EP3765667A4 (en) 2021-12-15

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