LTIP698A - Device and procedure for the debarking of logs - Google Patents

Device and procedure for the debarking of logs

Info

Publication number
LTIP698A
LTIP698A LTIP698A LTIP698A LTIP698A LT IP698 A LTIP698 A LT IP698A LT IP698 A LTIP698 A LT IP698A LT IP698 A LTIP698 A LT IP698A LT IP698 A LTIP698 A LT IP698A
Authority
LT
Lithuania
Prior art keywords
logs
debarking
procedure
enzyme solution
conveyor
Prior art date
Application number
LTIP698A
Inventor
Liisa Viikari
Marjaana Ratto
Anne Kantelinen
Original Assignee
Kone 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 Kone Oy filed Critical Kone Oy
Publication of LTIP698A publication Critical patent/LTIP698A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L3/00—Debarking by chemical treatment

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processing Of Solid Wastes (AREA)
  • Water Treatment By Sorption (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Catching Or Destruction (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Credit Cards Or The Like (AREA)
  • Amplifiers (AREA)

Abstract

The invention concerns a procedure for the debarking of logs, in which procedure the logs are treated with enzymes to weaken the bonds between bark and wood; an apparatus for the debarking of logs, comprising a conveyor (1) for conveying the logs to a debarker (2), in conjunction with the conveyor a piping system (3) with nozzles (4) for spraying the logs with an enzyme solution, a device (5) for separating the enzyme solution from the logs and conducting it back into the piping system (3), and a feed device (9) for supplying enzyme solution into the circulation system.
LTIP698A 1989-12-27 1993-06-23 Device and procedure for the debarking of logs LTIP698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI896291A FI83182C (en) 1989-12-27 1989-12-27 Tree barking method and apparatus

Publications (1)

Publication Number Publication Date
LTIP698A true LTIP698A (en) 1995-01-31

Family

ID=8529596

Family Applications (1)

Application Number Title Priority Date Filing Date
LTIP698A LTIP698A (en) 1989-12-27 1993-06-23 Device and procedure for the debarking of logs

Country Status (8)

Country Link
US (1) US5103883A (en)
EP (1) EP0435061B1 (en)
AT (1) ATE97359T1 (en)
CA (1) CA2033141A1 (en)
DE (2) DE69004675T2 (en)
FI (1) FI83182C (en)
LT (1) LTIP698A (en)
RU (1) RU2027587C1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6300122B1 (en) 1991-12-20 2001-10-09 Genencor International Method for applying enzyme to non-finished cellulosic-containing fabrics to improve appearance and feel characteristics
US5858760A (en) * 1993-02-16 1999-01-12 Novo Nordisk A/S Enzyme with pectin lyase activity
US5532164A (en) * 1994-05-20 1996-07-02 Sandoz Ltd. Biological control for wood products
US5538056A (en) * 1994-12-16 1996-07-23 Beloit Technologies, Inc. Log conditioning before mechanical debarking
US5505240A (en) * 1995-03-15 1996-04-09 The Failure Group, Inc. Method and apparatus for the treatment of logs
AU4067297A (en) * 1996-08-16 1998-03-06 International Paper Company Enzymatic freeness enhancement
CA2352006C (en) * 2001-06-29 2008-01-08 Metso Woodhandling Oy Method for defrosting logs and a defrosting apparatus
US6938625B2 (en) * 2002-11-18 2005-09-06 Timothy L. Stalp Load sensing system
US20050000666A1 (en) * 2003-05-06 2005-01-06 Novozymes A/S Use of hemicellulase composition in mechanical pulp production
CA2638801C (en) 2006-02-14 2016-12-13 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
AU2008307371B2 (en) 2007-10-03 2015-05-28 Bp Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them
US20110108222A1 (en) * 2009-11-11 2011-05-12 International Paper Company Effect of low dose xylanase on pulp in prebleach treatment process
DE102011083671A1 (en) * 2011-09-29 2013-04-04 Siemens Aktiengesellschaft Pretreatment of logs
DE102011083670A1 (en) * 2011-09-29 2013-04-04 Siemens Aktiengesellschaft Pretreatment of frozen logs
CN103538131A (en) * 2013-11-10 2014-01-29 张明勋 Bast-stalk separation technique
CN104476644A (en) * 2014-12-11 2015-04-01 济南职业学院 Wood defrosting equipment
AU2017270259B2 (en) * 2016-05-24 2021-11-18 Novozymes A/S Apparatus and method for applying an enzyme preparation
SE543059C2 (en) * 2019-03-07 2020-09-29 Stora Enso Oyj Device and method of processing logs using a thermal camera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014733B (en) * 1957-07-01 1957-08-29 Paschke & Co Eisengiesserei Un Process and system for debarking logs
US3085039A (en) * 1960-08-23 1963-04-09 Fmc Corp Process for the treatment of wood
JPS6342988A (en) * 1986-08-08 1988-02-24 工業技術院長 Improved enzymatic pulping of bark fiber
FR2604198B1 (en) * 1986-09-22 1989-07-07 Du Pin Cellulose PROCESS FOR TREATING A PAPER PULP WITH AN ENZYMATIC SOLUTION.

Also Published As

Publication number Publication date
US5103883A (en) 1992-04-14
FI83182C (en) 1991-06-10
EP0435061A3 (en) 1991-10-16
FI83182B (en) 1991-02-28
FI896291A0 (en) 1989-12-27
DE69004675T2 (en) 1994-03-10
EP0435061B1 (en) 1993-11-18
CA2033141A1 (en) 1991-06-28
DE435061T1 (en) 1991-11-28
ATE97359T1 (en) 1993-12-15
EP0435061A2 (en) 1991-07-03
RU2027587C1 (en) 1995-01-27
DE69004675D1 (en) 1993-12-23

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Legal Events

Date Code Title Description
FD9A Withdrawn applications

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