CA1135101A - Methode de recuperation de la chaleur secondaire en digestion de la cellulose - Google Patents

Methode de recuperation de la chaleur secondaire en digestion de la cellulose

Info

Publication number
CA1135101A
CA1135101A CA000349532A CA349532A CA1135101A CA 1135101 A CA1135101 A CA 1135101A CA 000349532 A CA000349532 A CA 000349532A CA 349532 A CA349532 A CA 349532A CA 1135101 A CA1135101 A CA 1135101A
Authority
CA
Canada
Prior art keywords
cooker
steam
liquor
digesting
cooking liquor
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
CA000349532A
Other languages
English (en)
Inventor
Rauno J. Salmi
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.)
Rosenblads Patenter AB
Original Assignee
Rosenblads Patenter 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
Priority claimed from FI791205A external-priority patent/FI63268C/fi
Priority claimed from SE7906540A external-priority patent/SE435075B/sv
Application filed by Rosenblads Patenter AB filed Critical Rosenblads Patenter AB
Application granted granted Critical
Publication of CA1135101A publication Critical patent/CA1135101A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • 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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Artificial Filaments (AREA)
  • General Preparation And Processing Of Foods (AREA)
CA000349532A 1979-04-11 1980-04-10 Methode de recuperation de la chaleur secondaire en digestion de la cellulose Expired CA1135101A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI791205A FI63268C (fi) 1979-04-11 1979-04-11 Foerfaringssaett foer toemning av en satsvis cellulosakokare.
SE791205 1979-04-11
SE7906540A SE435075B (sv) 1979-08-01 1979-08-01 Forfarande vid satsvis kokning av cellulosamassa for tomning av massan fran kokaren
SE7906540-5 1979-08-01

Publications (1)

Publication Number Publication Date
CA1135101A true CA1135101A (fr) 1982-11-09

Family

ID=26157029

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000349532A Expired CA1135101A (fr) 1979-04-11 1980-04-10 Methode de recuperation de la chaleur secondaire en digestion de la cellulose

Country Status (8)

Country Link
AT (1) AT375692B (fr)
BR (1) BR8002271A (fr)
CA (1) CA1135101A (fr)
DE (1) DE3013825A1 (fr)
ES (1) ES8101160A1 (fr)
FR (2) FR2453934B1 (fr)
NO (1) NO157109C (fr)
PT (1) PT71072A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4975148A (en) * 1988-12-06 1990-12-04 Ahlstromforetagen Svenska Ab Cold blow system for batch production of pulp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453673B (sv) * 1985-07-02 1988-02-22 Kamyr Ab Sett vid kontinuerlig kokning for uppvermning av fibermaterialet vid kokarens topp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO115278B (fr) * 1962-03-03 1968-09-09 Kamyr Ab
US3515631A (en) * 1965-07-14 1970-06-02 Curt Fredrick Rosenblad Method and system for flushing sulphite pulp digesters
US4138311A (en) * 1977-02-10 1979-02-06 International Paper Company Method and apparatus for batch production of pulp including improved energy reclamation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4975148A (en) * 1988-12-06 1990-12-04 Ahlstromforetagen Svenska Ab Cold blow system for batch production of pulp

Also Published As

Publication number Publication date
ES490518A0 (es) 1980-12-01
ES8101160A1 (es) 1980-12-01
NO801036L (no) 1980-10-13
FR2553797A1 (fr) 1985-04-26
DE3013825A1 (de) 1980-10-30
AT375692B (de) 1984-08-27
FR2553797B1 (fr) 1987-01-16
DE3013825C2 (fr) 1987-03-26
NO157109B (no) 1987-10-12
ATA197980A (de) 1984-01-15
BR8002271A (pt) 1980-12-02
PT71072A (en) 1980-05-01
FR2453934A1 (fr) 1980-11-07
NO157109C (no) 1988-01-20
FR2453934B1 (fr) 1985-08-23

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Legal Events

Date Code Title Description
MKEX Expiry