SE9201735L - Methods to control the screening process when screening cellulose-containing pulp suspensions - Google Patents

Methods to control the screening process when screening cellulose-containing pulp suspensions

Info

Publication number
SE9201735L
SE9201735L SE9201735A SE9201735A SE9201735L SE 9201735 L SE9201735 L SE 9201735L SE 9201735 A SE9201735 A SE 9201735A SE 9201735 A SE9201735 A SE 9201735A SE 9201735 L SE9201735 L SE 9201735L
Authority
SE
Sweden
Prior art keywords
screening
cellulose
methods
control
containing pulp
Prior art date
Application number
SE9201735A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9201735D0 (en
SE470315B (en
Inventor
B Fredriksson
B A G Olsson
Original Assignee
Sunds Defibrator Ind 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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Priority to SE9201735A priority Critical patent/SE470315B/en
Publication of SE9201735D0 publication Critical patent/SE9201735D0/en
Priority to PCT/SE1993/000384 priority patent/WO1993025752A1/en
Priority to AU40309/93A priority patent/AU4030993A/en
Publication of SE9201735L publication Critical patent/SE9201735L/en
Publication of SE470315B publication Critical patent/SE470315B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

A method of controlling the screening process at the screening of cellulose-containing pulp suspensions in a screening device (1) where ingoing pulp suspension (2) is divided by means of a screening member into an accept fraction (3) and a reject fraction (4). The material concentration in the reject fraction (4) is measured continuously by a meter (5) and transferred to a signal (6, 7), which is utilized for controlling the ingoing pulp concentration and/or the energy supply to the screening process.
SE9201735A 1992-06-05 1992-06-05 Methods to control the screening process when screening cellulose-containing pulp suspensions SE470315B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9201735A SE470315B (en) 1992-06-05 1992-06-05 Methods to control the screening process when screening cellulose-containing pulp suspensions
PCT/SE1993/000384 WO1993025752A1 (en) 1992-06-05 1993-04-30 Screening of pulp
AU40309/93A AU4030993A (en) 1992-06-05 1993-04-30 Screening of pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9201735A SE470315B (en) 1992-06-05 1992-06-05 Methods to control the screening process when screening cellulose-containing pulp suspensions

Publications (3)

Publication Number Publication Date
SE9201735D0 SE9201735D0 (en) 1992-06-05
SE9201735L true SE9201735L (en) 1993-12-06
SE470315B SE470315B (en) 1994-01-17

Family

ID=20386419

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9201735A SE470315B (en) 1992-06-05 1992-06-05 Methods to control the screening process when screening cellulose-containing pulp suspensions

Country Status (3)

Country Link
AU (1) AU4030993A (en)
SE (1) SE470315B (en)
WO (1) WO1993025752A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997032078A1 (en) * 1996-02-29 1997-09-04 Alfa Laval Ab Process and apparatus for controlling the purification and yield of fibers from a fiber suspension
US6080274A (en) * 1997-05-06 2000-06-27 Valmet Corporation Method for controlling a multi-phase screening apparatus
FI107741B (en) * 2000-02-11 2001-09-28 Metso Paper Inc A method for controlling the quality of a pulp
FI112806B (en) * 2001-03-09 2004-01-15 Metso Paper Inc A method for controlling the quality of a pulp
DE10125975A1 (en) * 2001-05-29 2002-12-05 Voith Paper Patent Gmbh Process for separating fractions from a fiber suspension
DE10160603A1 (en) * 2001-12-10 2003-06-26 Voith Paper Patent Gmbh Method for regulating sorting systems and sorting system suitable for carrying out this method
FI20090455A7 (en) * 2009-11-30 2011-05-31 Andritz Oy Method for adjusting the sorting plant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410409A (en) * 1966-01-18 1968-11-12 Bird Machine Co Screening apparatus control
US4042503A (en) * 1973-12-10 1977-08-16 Beloit Corporation Classifier and process for recycled fiber separation
SE8106985L (en) * 1981-11-24 1983-05-25 Nils Anders Lennart Wikdahl KEEP PREVENTING THE COMPOSITION OF A SILORGAN IN THE SILVERING OF A FIBER SUSPENSION
SE8200073L (en) * 1982-01-08 1982-12-27 Nils Anders Lennart Wikdahl SET AND DEVICE FOR SILENCE OF A FIBER SUSPENSION IN A PRESSURE Sieve

Also Published As

Publication number Publication date
AU4030993A (en) 1994-01-04
WO1993025752A1 (en) 1993-12-23
SE9201735D0 (en) 1992-06-05
SE470315B (en) 1994-01-17

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