FI20165695A - Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi - Google Patents

Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi

Info

Publication number
FI20165695A
FI20165695A FI20165695A FI20165695A FI20165695A FI 20165695 A FI20165695 A FI 20165695A FI 20165695 A FI20165695 A FI 20165695A FI 20165695 A FI20165695 A FI 20165695A FI 20165695 A FI20165695 A FI 20165695A
Authority
FI
Finland
Prior art keywords
optimizing
quality
green liquor
liquor
green
Prior art date
Application number
FI20165695A
Other languages
English (en)
Swedish (sv)
Other versions
FI127910B (fi
Inventor
Jukka A Koskinen
Mikko Leskinen
Jarmo Mansikkasalo
Original Assignee
Valmet Automation 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 Automation Oy filed Critical Valmet Automation Oy
Priority to FI20165695A priority Critical patent/FI127910B/fi
Priority to EP17397520.2A priority patent/EP3296457A1/en
Priority to US15/707,676 priority patent/US10385513B2/en
Publication of FI20165695A publication Critical patent/FI20165695A/fi
Application granted granted Critical
Publication of FI127910B publication Critical patent/FI127910B/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/22—Alkali metal sulfides or polysulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • D21C11/122—Treatment, e.g. dissolution, of the smelt
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B17/00—Systems involving the use of models or simulators of said systems
    • G05B17/02—Systems involving the use of models or simulators of said systems electric

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Paper (AREA)
FI20165695A 2016-09-16 2016-09-16 Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi FI127910B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20165695A FI127910B (fi) 2016-09-16 2016-09-16 Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi
EP17397520.2A EP3296457A1 (en) 2016-09-16 2017-09-05 A method and a system for quality optimization of green liquor
US15/707,676 US10385513B2 (en) 2016-09-16 2017-09-18 Method and a system for quality optimization of green liquor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20165695A FI127910B (fi) 2016-09-16 2016-09-16 Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi

Publications (2)

Publication Number Publication Date
FI20165695A true FI20165695A (fi) 2018-03-17
FI127910B FI127910B (fi) 2019-05-15

Family

ID=59955517

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20165695A FI127910B (fi) 2016-09-16 2016-09-16 Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi

Country Status (3)

Country Link
US (1) US10385513B2 (fi)
EP (1) EP3296457A1 (fi)
FI (1) FI127910B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3619356A4 (en) * 2017-05-03 2021-01-06 FPInnovations VENT COLUMN TEMPERATURE AS A VARIABLE BY DIRECT ACTION FOR A TTA SALT DISSOLVER CONTROL
FI129477B (fi) 2019-05-17 2022-03-15 Andritz Oy Soodakattilan reduktioasteen määritys
FI129238B (fi) * 2019-09-09 2021-10-15 Valmet Automation Oy Menetelmä siirtymän ohjaamiseksi kemikaalien talteenottokattilassa ja kemikaalien talteenottokattila
US11441266B2 (en) 2019-12-20 2022-09-13 Andritz Inc. Disruptor assembly adjustment system and method
US20210341140A1 (en) * 2020-05-01 2021-11-04 International Paper Company System and methods for controlling operation of a recovery boiler to reduce fouling
FI129878B (fi) * 2020-09-28 2022-10-14 Valmet Automation Oy Laite ja menetelmä mitata paperimassaprosessin lähtömateriaalia ja laite ja menetelmä ohjata paperimassaprosessia
FI130402B (fi) * 2021-08-17 2023-08-14 Valmet Automation Oy Menetelmä kemikaalien talteenottokattilan ohjaamiseksi ja kemikaalien talteenottokattila

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK424281A (da) * 1981-09-25 1983-03-26 Kemotron A S Fremgangsmaade til styring af hvidluds egenskaber
WO1984004552A1 (en) 1983-05-18 1984-11-22 Weyerhaeuser Co Method and apparatus for analyzing and controlling carbonate and sulfide in green liquor slaking and causticizing
US5213663A (en) 1991-07-22 1993-05-25 The Foxboro Company Method for controlling the sodium carbonate concentration of green liquor in the dissolving tank
CA2119963A1 (en) * 1994-03-25 1995-09-26 Christopher J. Beveridge Smelt spout for a recovery furnace
SE9404028L (sv) * 1994-11-22 1995-12-11 Kvaerner Pulping Tech Upplösning av smälta från en sodapanna i minst två stycken upplösare som är förbundna med varandra och en anordning för upplösning
US5616214A (en) 1995-09-12 1997-04-01 Pulp And Paper Research Institute Of Canada Determination of sodium sulfide and sulfidity in green liquors and smelt solutions
FI102398B1 (fi) * 1995-09-29 1998-11-30 Ahlstrom Machinery Oy Menetelmä ja laitteisto sulan käsittelyn yhteydessä
FI114813B (fi) 1999-05-31 2004-12-31 Metso Automation Oy Menetelmä ja laitteisto kaustisointiprosessin säätämiseksi
US9206548B2 (en) * 2011-11-09 2015-12-08 Andritz Inc. Cooled smelt restrictor at cooled smelt spout for disrupting smelt flow from the boiler

Also Published As

Publication number Publication date
FI127910B (fi) 2019-05-15
US20180080173A1 (en) 2018-03-22
US10385513B2 (en) 2019-08-20
EP3296457A1 (en) 2018-03-21

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