SE500994C2 - Förfarande för styrning av en defibreringsprocess medelst mätning av den tillförda flisens bulkdensitet - Google Patents

Förfarande för styrning av en defibreringsprocess medelst mätning av den tillförda flisens bulkdensitet

Info

Publication number
SE500994C2
SE500994C2 SE9300696A SE9300696A SE500994C2 SE 500994 C2 SE500994 C2 SE 500994C2 SE 9300696 A SE9300696 A SE 9300696A SE 9300696 A SE9300696 A SE 9300696A SE 500994 C2 SE500994 C2 SE 500994C2
Authority
SE
Sweden
Prior art keywords
chip
chips
bulk density
measuring
volume
Prior art date
Application number
SE9300696A
Other languages
English (en)
Swedish (sv)
Other versions
SE9300696L (sv
SE9300696D0 (sv
Inventor
Torbjoern Baecklund
Original Assignee
Iggesund Tools 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 Iggesund Tools Ab filed Critical Iggesund Tools Ab
Priority to SE9300696A priority Critical patent/SE500994C2/sv
Publication of SE9300696D0 publication Critical patent/SE9300696D0/xx
Priority to PCT/SE1994/000178 priority patent/WO1994020671A1/en
Priority to EP94909389A priority patent/EP0738342B1/de
Priority to AU62250/94A priority patent/AU6225094A/en
Priority to CA002156819A priority patent/CA2156819A1/en
Priority to FI954104A priority patent/FI954104L/fi
Priority to AT94909389T priority patent/ATE183787T1/de
Priority to DE69420287T priority patent/DE69420287D1/de
Priority to JP6519883A priority patent/JPH08507335A/ja
Publication of SE9300696L publication Critical patent/SE9300696L/
Publication of SE500994C2 publication Critical patent/SE500994C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • 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
    • D21C7/12—Devices for regulating or controlling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Paper (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
SE9300696A 1993-03-02 1993-03-02 Förfarande för styrning av en defibreringsprocess medelst mätning av den tillförda flisens bulkdensitet SE500994C2 (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE9300696A SE500994C2 (sv) 1993-03-02 1993-03-02 Förfarande för styrning av en defibreringsprocess medelst mätning av den tillförda flisens bulkdensitet
JP6519883A JPH08507335A (ja) 1993-03-02 1994-03-02 木材チップの測定によりプロセスを制御する方法
CA002156819A CA2156819A1 (en) 1993-03-02 1994-03-02 Method for controlling a process by measurement of wood chips
EP94909389A EP0738342B1 (de) 1993-03-02 1994-03-02 Verfahren zur kontrolle eines verfahrens durch holzschnitzelmass
AU62250/94A AU6225094A (en) 1993-03-02 1994-03-02 Method for controlling a process by measurement of wood chips
PCT/SE1994/000178 WO1994020671A1 (en) 1993-03-02 1994-03-02 Method for controlling a process by measurement of wood chips
FI954104A FI954104L (fi) 1993-03-02 1994-03-02 Puuhakkeen mittaukseen perustuva prosessinvalvontamenetelmä
AT94909389T ATE183787T1 (de) 1993-03-02 1994-03-02 Verfahren zur kontrolle eines verfahrens durch holzschnitzelmass
DE69420287T DE69420287D1 (de) 1993-03-02 1994-03-02 Verfahren zur kontrolle eines verfahrens durch holzschnitzelmass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9300696A SE500994C2 (sv) 1993-03-02 1993-03-02 Förfarande för styrning av en defibreringsprocess medelst mätning av den tillförda flisens bulkdensitet

Publications (3)

Publication Number Publication Date
SE9300696D0 SE9300696D0 (sv) 1993-03-02
SE9300696L SE9300696L (sv) 1994-09-03
SE500994C2 true SE500994C2 (sv) 1994-10-17

Family

ID=20389087

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9300696A SE500994C2 (sv) 1993-03-02 1993-03-02 Förfarande för styrning av en defibreringsprocess medelst mätning av den tillförda flisens bulkdensitet

Country Status (9)

Country Link
EP (1) EP0738342B1 (de)
JP (1) JPH08507335A (de)
AT (1) ATE183787T1 (de)
AU (1) AU6225094A (de)
CA (1) CA2156819A1 (de)
DE (1) DE69420287D1 (de)
FI (1) FI954104L (de)
SE (1) SE500994C2 (de)
WO (1) WO1994020671A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510008C2 (de) * 1995-03-23 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Prozeßführung bei der Zellstoff- und/oder Papierherstellung
AU2002235053B2 (en) * 2001-02-13 2005-12-01 Canterprise Limited Method of selecting wood for mechanical pulping
FI123011B (fi) * 2005-01-05 2012-09-28 Metso Paper Inc Menetelmä selluloosamassan keittoprosessin säätämiseksi
EP2158356A4 (de) 2007-05-04 2013-07-31 Quebec Centre Rech Ind System und verfahren zur optimierung der aufbereitung von teilchenförmigem lignocellulosischem material
EP2085509A3 (de) * 2008-02-01 2010-12-29 Andritz, Inc. Verfahren zur Messung und Steuerung des Schnitzelstandes eines Kochers oder Tränkungsbehälters mittels Schnitzeldruckmessung
CA2714235C (en) 2010-04-27 2014-01-07 Centre De Recherche Industrielle Du Quebec Method and system for stabilizing dry-based density of wood chips to be fed to a chip refining process
CN102094344B (zh) * 2010-12-08 2012-07-25 陕西科技大学 一种废纸碎解方法
PT2655731T (pt) * 2010-12-22 2019-06-26 Stora Enso Oyj Método de controlo de um processo de desfibração num modo de alimentação direta

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239590A (en) * 1979-01-11 1980-12-16 Kamyr, Inc. Method of maintaining uniformity of fibrous material fed to a continuous digester
SE460383B (sv) * 1985-06-13 1989-10-02 Kamyr Ab Saett att vid kontinuerlig massakokning, foer styrning av foer behandlingen noedvaendiga maengder aemnen som t ex aanga och kemikalier, kontinuerligt bestaemma volymfloedet per tidsenhet av en stroem av i vaetska suspenderat fibermaterial

Also Published As

Publication number Publication date
SE9300696L (sv) 1994-09-03
JPH08507335A (ja) 1996-08-06
CA2156819A1 (en) 1994-09-15
DE69420287D1 (de) 1999-09-30
EP0738342A1 (de) 1996-10-23
SE9300696D0 (sv) 1993-03-02
ATE183787T1 (de) 1999-09-15
FI954104A0 (fi) 1995-09-01
FI954104A7 (fi) 1995-09-01
WO1994020671A1 (en) 1994-09-15
EP0738342B1 (de) 1999-08-25
AU6225094A (en) 1994-09-26
FI954104L (fi) 1995-09-01

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