SE0200992D0 - Procedure for dividing wood chips into fractions - Google Patents

Procedure for dividing wood chips into fractions

Info

Publication number
SE0200992D0
SE0200992D0 SE0200992A SE0200992A SE0200992D0 SE 0200992 D0 SE0200992 D0 SE 0200992D0 SE 0200992 A SE0200992 A SE 0200992A SE 0200992 A SE0200992 A SE 0200992A SE 0200992 D0 SE0200992 D0 SE 0200992D0
Authority
SE
Sweden
Prior art keywords
chips
delivered
fractions
thickness
screen
Prior art date
Application number
SE0200992A
Other languages
Swedish (sv)
Other versions
SE524256C2 (en
SE0200992L (en
Inventor
Ilkka Valkonen
Original Assignee
Bmh Wood Technology 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 Bmh Wood Technology Oy filed Critical Bmh Wood Technology Oy
Publication of SE0200992D0 publication Critical patent/SE0200992D0/en
Publication of SE0200992L publication Critical patent/SE0200992L/en
Publication of SE524256C2 publication Critical patent/SE524256C2/en

Links

Classifications

    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Paper (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Oversize chips are removed for compaction and storage in a first step and the remaining chips are sorted into several different fractions (8a-8d) for separate storage. A process for sorting, storing and supplying wood chips (1) to cooking process comprises delivering a flow of chips to a thickness screen (2) in a first phase and then to a flat screen (7) in a second step. In the first step the flow of chips is divided into two fractions, the first fraction (3) being oversize in terms of thickness and is delivered to a chip press (4) or a similar device, from where it is delivered to a storage device (5), from where it can be unloaded for cooking. The second fraction (6) containing chips with a known thickness is delivered to a planar screen, which divides the chips according to their diagonal dimensions into several different fractions. Some of this material (8a-8c) is delivered to separate storage devices (9a-9c), from where the material can be unloaded with the aid of an unloading device (10a-10d).
SE0200992A 2001-04-17 2002-04-02 Procedure for dividing wood chips into fractions SE524256C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20010789A FI111089B (en) 2001-04-17 2001-04-17 Procedure for splitting chips into fractions

Publications (3)

Publication Number Publication Date
SE0200992D0 true SE0200992D0 (en) 2002-04-02
SE0200992L SE0200992L (en) 2002-10-18
SE524256C2 SE524256C2 (en) 2004-07-20

Family

ID=8560998

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0200992A SE524256C2 (en) 2001-04-17 2002-04-02 Procedure for dividing wood chips into fractions

Country Status (4)

Country Link
FI (1) FI111089B (en)
PT (1) PT102757B (en)
RU (1) RU2002109421A (en)
SE (1) SE524256C2 (en)

Also Published As

Publication number Publication date
SE524256C2 (en) 2004-07-20
SE0200992L (en) 2002-10-18
FI20010789A0 (en) 2001-04-17
FI20010789A (en) 2002-10-18
PT102757A (en) 2002-10-31
RU2002109421A (en) 2003-11-10
FI111089B (en) 2003-05-30
PT102757B (en) 2003-11-28

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Legal Events

Date Code Title Description
NUG Patent has lapsed