FI20021789A - Förfarande och system för kontroll av en raffinator - Google Patents

Förfarande och system för kontroll av en raffinator

Info

Publication number
FI20021789A
FI20021789A FI20021789A FI20021789A FI20021789A FI 20021789 A FI20021789 A FI 20021789A FI 20021789 A FI20021789 A FI 20021789A FI 20021789 A FI20021789 A FI 20021789A FI 20021789 A FI20021789 A FI 20021789A
Authority
FI
Finland
Prior art keywords
control method
purifier control
purifier
control
Prior art date
Application number
FI20021789A
Other languages
English (en)
Finnish (fi)
Inventor
Ola M Johansson
Original Assignee
J & L Fiber Services Inc
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 J & L Fiber Services Inc filed Critical J & L Fiber Services Inc
Publication of FI20021789A publication Critical patent/FI20021789A/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20Methods of refining
    • D21D1/30Disc mills
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/002Control devices
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20Methods of refining
    • D21D1/30Disc mills
    • D21D1/306Discs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/09Uses for paper making sludge
    • Y10S162/10Computer control of paper making variables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0324With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329Mixing of plural fluids of diverse characteristics or conditions
    • Y10T137/0335Controlled by consistency of mixture
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2499Mixture condition maintaining or sensing
    • Y10T137/2506By viscosity or consistency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86389Programmer or timer
FI20021789A 2000-03-08 2002-10-08 Förfarande och system för kontroll av en raffinator FI20021789A (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18780700P 2000-03-08 2000-03-08
US19074300P 2000-03-20 2000-03-20
PCT/US2001/007610 WO2001066854A2 (en) 2000-03-08 2001-03-08 Refiner control method and system

Publications (1)

Publication Number Publication Date
FI20021789A true FI20021789A (sv) 2002-10-08

Family

ID=26883421

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021789A FI20021789A (sv) 2000-03-08 2002-10-08 Förfarande och system för kontroll av en raffinator

Country Status (7)

Country Link
US (1) US6752165B2 (sv)
EP (1) EP1264042A2 (sv)
AU (1) AU2001245566A1 (sv)
CA (1) CA2406031C (sv)
FI (1) FI20021789A (sv)
NZ (1) NZ521881A (sv)
WO (1) WO2001066854A2 (sv)

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CA2448122A1 (en) * 2001-06-05 2003-01-16 J&L Fiber Services, Inc. Refiner control method and system
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US7412350B2 (en) * 2004-10-29 2008-08-12 Metso Automation Usa Inc. System and method for estimating production and feed consistency disturbances
US7980481B2 (en) * 2004-12-08 2011-07-19 Rosemount Inc. Thermally controlled process interface
WO2006084347A1 (en) * 2005-02-11 2006-08-17 Fpinnovations Method of refining wood chips or pulp in a high consistency conical disc refiner
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US7660648B2 (en) * 2007-01-10 2010-02-09 Halliburton Energy Services, Inc. Methods for self-balancing control of mixing and pumping
US20080236771A1 (en) * 2007-03-26 2008-10-02 Metso Automation Usa Inc. System and method for controlling a processor including a digester utilizing time-based assessments
EP2158356A4 (en) * 2007-05-04 2013-07-31 Quebec Centre Rech Ind SYSTEM AND METHOD FOR OPTIMIZING THE REFINING OF A GRANULAR LIGNOCELLULOSIC MATERIAL
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SE532558C2 (sv) * 2009-04-29 2010-02-23 Anders Karlstroem Förfarande för att begränsa processbetingelser i raffinörer för att förhindra fiberklippning och haveri av malsegment
EP2438236B1 (en) * 2009-06-01 2015-03-04 Fpinnovations Method of controlling wood pulp production in a chip refiner
US20120255691A1 (en) * 2009-12-21 2012-10-11 Karlstroem Anders Procedure For Controlling The Pulp Quality From Refiners
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Also Published As

Publication number Publication date
US6752165B2 (en) 2004-06-22
NZ521881A (en) 2004-10-29
EP1264042A2 (en) 2002-12-11
WO2001066854A3 (en) 2002-01-24
WO2001066854A2 (en) 2001-09-13
CA2406031A1 (en) 2001-09-13
US20010044670A1 (en) 2001-11-22
AU2001245566A1 (en) 2001-09-17
CA2406031C (en) 2006-08-29

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