CA1136912A - Method and apparatus for efficiently producing cellulosic pulp by the thermo mechanical pulping method - Google Patents

Method and apparatus for efficiently producing cellulosic pulp by the thermo mechanical pulping method

Info

Publication number
CA1136912A
CA1136912A CA000370812A CA370812A CA1136912A CA 1136912 A CA1136912 A CA 1136912A CA 000370812 A CA000370812 A CA 000370812A CA 370812 A CA370812 A CA 370812A CA 1136912 A CA1136912 A CA 1136912A
Authority
CA
Canada
Prior art keywords
conveyor means
chips
mass
steam
compacted
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.)
Expired
Application number
CA000370812A
Other languages
English (en)
French (fr)
Inventor
Llewellyn E. Clark
George A. Rosato
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.)
Beloit Corp
Original Assignee
Beloit Corp
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 Beloit Corp filed Critical Beloit Corp
Application granted granted Critical
Publication of CA1136912A publication Critical patent/CA1136912A/en
Expired legal-status Critical Current

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
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • 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
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/26—Driving or feeding arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Disintegrating Or Milling (AREA)
CA000370812A 1980-02-14 1981-02-13 Method and apparatus for efficiently producing cellulosic pulp by the thermo mechanical pulping method Expired CA1136912A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12137980A 1980-02-14 1980-02-14
US121,379 1980-02-14

Publications (1)

Publication Number Publication Date
CA1136912A true CA1136912A (en) 1982-12-07

Family

ID=22396325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000370812A Expired CA1136912A (en) 1980-02-14 1981-02-13 Method and apparatus for efficiently producing cellulosic pulp by the thermo mechanical pulping method

Country Status (7)

Country Link
EP (1) EP0034560A3 (es)
JP (2) JPS56128388A (es)
AU (1) AU6734881A (es)
CA (1) CA1136912A (es)
ES (1) ES8201662A1 (es)
FI (1) FI810330L (es)
GB (1) GB2069560B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1240456A (en) * 1983-10-20 1988-08-16 Kamyr, Inc. Mechanical pulping
US6899791B2 (en) * 1997-08-08 2005-05-31 Andritz Inc. Method of pretreating lignocellulose fiber-containing material in a pulp refining process
AT412787B (de) * 2003-03-10 2005-07-25 Andritz Ag Maschf Verfahren und vorrichtung zum austragen von lignozellulosem rohmaterial aus einem kocher und zur förderung des rohmaterials zu einem refiner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB569370A (en) * 1942-06-20 1945-05-22 American Defibrator Improvements in apparatus for the production of wood or like fibrous pulp
US2931586A (en) * 1957-08-16 1960-04-05 American Defibrator Grinding device for the breaking down of wood fibres
US3471364A (en) * 1966-06-20 1969-10-07 Bauer Bros Co Apparatus for subjecting cellulosic material to counterflow of conditioning fluid
CA1074606A (en) * 1977-06-08 1980-04-01 Llewellyn E. Clark Method and apparatus for thermo-mechanical pulping

Also Published As

Publication number Publication date
AU6734881A (en) 1981-10-01
EP0034560A2 (en) 1981-08-26
FI810330L (fi) 1981-08-15
JPS56128388A (en) 1981-10-07
ES500079A0 (es) 1982-01-01
ES8201662A1 (es) 1982-01-01
JPS60165497U (ja) 1985-11-02
EP0034560A3 (en) 1981-09-02
GB2069560A (en) 1981-08-26
GB2069560B (en) 1983-11-09
JPS6348720Y2 (es) 1988-12-14

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Legal Events

Date Code Title Description
MKEX Expiry