EP0273019A2 - Vorrichtung zum Defibrieren und Sortieren von Papierbrei in der Papierfabrikationsindustrie - Google Patents

Vorrichtung zum Defibrieren und Sortieren von Papierbrei in der Papierfabrikationsindustrie Download PDF

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Publication number
EP0273019A2
EP0273019A2 EP87850358A EP87850358A EP0273019A2 EP 0273019 A2 EP0273019 A2 EP 0273019A2 EP 87850358 A EP87850358 A EP 87850358A EP 87850358 A EP87850358 A EP 87850358A EP 0273019 A2 EP0273019 A2 EP 0273019A2
Authority
EP
European Patent Office
Prior art keywords
defibrating
sorting
rotor
zone
pulp
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP87850358A
Other languages
English (en)
French (fr)
Other versions
EP0273019A3 (de
Inventor
Jyrki Paavola
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunds Defibrator Jylha OY
Original Assignee
Sunds Defibrator Jylha 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 Sunds Defibrator Jylha OY filed Critical Sunds Defibrator Jylha OY
Publication of EP0273019A2 publication Critical patent/EP0273019A2/de
Publication of EP0273019A3 publication Critical patent/EP0273019A3/de
Withdrawn legal-status Critical Current

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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
    • D21D5/04—Flat screens
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/22—Jordans

Definitions

  • the present invention concerns a means for defibrating and sorting pulp in paper and cellulose industry, comprising a defibrating means consisting of a rotor and a stator, and a sorter consisting of another rotor and another stator, wherebetween is established a sort- ing zone, and the stator of said sorter having been formed to be sieve-like, and said means comprising a pulp feed, removal of accept and removal of reject.
  • Apparatus in present use are usually separate defibrators and sorters. Also such apparatus exists which both defibrates and sorts simultaneously.
  • the object of the present invention is to provide a means similar to that described above for defibrating and sorting pulp in paper and cellulose industry, but which is not true of current problems.
  • the means of the invention is characterized in that the angle between the centre-line of the rotor shaft and the defibrating zone is 5 to 45°, and the angle between the sorting zone and the sorter rotor shaft is 75 to 105°, and that the defibrating and sorting take place in the same pulp space.
  • the defibrating efficiency can be steplessly regulated.
  • the fibre flocs can be dispersed, whereby only particles which are not fit to be included in the accept pulp are removed.
  • the defibrating stage or the sorting stage may, if desired, be cut out from the means.
  • the speed of rotation range is properly chosen, the fluidizing effect of the defibrator enables efficient sorting in the same consistency range.
  • stator of the defibrating means by reference numeral 1 and the rotor of the defibrating means by refer­ence numeral 2, said rotor being rotating, as its name indicates.
  • Pulp feed into the space between the stator and the rotor blades of the defibrator takes place through a connector 6.
  • the angle ⁇ between the defibrating zone and the shaft 9 is 5 to 45°, preferably 25°. In the defibrating zone the pulp is defibrated and progresses to the sorter established in the same pulp space 5.
  • the sorter consists of a rotating rotor 3 and a stator 4, which is made to be sieve-like.
  • the defibrated part of the material passes the sieve 4 and escapes through the accept exit connector 7. That part of the material which does not pass the sieve 4 exits through the reject exit connector 8.
  • a so-called sorting zone which establishes an angle ⁇ with the shaft 9, this angle being between 75 to 105°, preferably 90°.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
EP87850358A 1986-12-22 1987-11-19 Vorrichtung zum Defibrieren und Sortieren von Papierbrei in der Papierfabrikationsindustrie Withdrawn EP0273019A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI865282 1986-12-22
FI865282A FI76600C (fi) 1986-12-22 1986-12-22 Anordning foer defibrering och sortering av massa inom pappers- och cellulosaindustrin.

Publications (2)

Publication Number Publication Date
EP0273019A2 true EP0273019A2 (de) 1988-06-29
EP0273019A3 EP0273019A3 (de) 1989-02-01

Family

ID=8523695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87850358A Withdrawn EP0273019A3 (de) 1986-12-22 1987-11-19 Vorrichtung zum Defibrieren und Sortieren von Papierbrei in der Papierfabrikationsindustrie

Country Status (3)

Country Link
EP (1) EP0273019A3 (de)
FI (1) FI76600C (de)
NO (1) NO875351L (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1385712A (fr) * 1963-12-27 1965-01-15 Ingersoll Rand Canada Procédé et appareil pour le travail de matières fibreuses
FI40261B (de) * 1965-12-09 1968-07-31 Tampella Oy Ab
US3437204A (en) * 1965-12-27 1969-04-08 Bird Machine Co Screening apparatus
US4401280A (en) * 1980-09-08 1983-08-30 Sunds Defibrator, Inc. Disc-type pulp refining apparatus
SE441758B (sv) * 1984-04-03 1985-11-04 Sunds Defibrator Sett och anordning for kontinuerlig behandling av materialsuspensioner

Also Published As

Publication number Publication date
EP0273019A3 (de) 1989-02-01
NO875351D0 (no) 1987-12-21
FI865282A0 (fi) 1986-12-22
FI76600B (fi) 1988-07-29
NO875351L (no) 1988-06-23
FI76600C (fi) 1988-11-10

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Inventor name: PAAVOLA, JYRKI