FR2453934A1 - Procede de recuperation de chaleur secondaire au cours de la digestion de la cellulose par charges - Google Patents

Procede de recuperation de chaleur secondaire au cours de la digestion de la cellulose par charges

Info

Publication number
FR2453934A1
FR2453934A1 FR8008225A FR8008225A FR2453934A1 FR 2453934 A1 FR2453934 A1 FR 2453934A1 FR 8008225 A FR8008225 A FR 8008225A FR 8008225 A FR8008225 A FR 8008225A FR 2453934 A1 FR2453934 A1 FR 2453934A1
Authority
FR
France
Prior art keywords
heat recovery
recovery process
process during
secondary heat
cyclone
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.)
Granted
Application number
FR8008225A
Other languages
English (en)
Other versions
FR2453934B1 (fr
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
Publication of FR2453934A1 publication Critical patent/FR2453934A1/fr
Application granted granted Critical
Publication of FR2453934B1 publication Critical patent/FR2453934B1/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)
  • General Preparation And Processing Of Foods (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Artificial Filaments (AREA)

Abstract

AU COURS DE LA DERNIERE ETAPE DU CYCLE DE DIGESTION, LA LIQUEUR D'EXTRACTION EST AMENEE DES APPAREILS DE DIGESTION 1 A UN BAC D'EQUILIBRAGE 9 SOUS PRESSION. LA LIQUEUR D'EXTRACTION OU LA VAPEUR QUI S'EN DEGAGE EST AMENEE, EN ECOULEMENT CONTROLE, DU BAC 9 VERS UNE ZONE D'UTILISATION AU COURS DU PROCEDE OU D'UN PROCEDE ANNEXE OU VERS UN ENSEMBLE 30 DE RECUPERATION DE CHALEUR. LA LIQUEUR PEUT NOTAMMENT ETRE AMENEE DU BAC 9 A UN PREMIER CYCLONE 20. LE LIQUIDE SORTANT DU CYCLONE EST ALORS AMENE A UN SECOND CYCLONE 22 MUNI D'UNE SORTIE DE VAPEUR ET D'UNE SORTIE LIQUIDE.
FR8008225A 1979-04-11 1980-04-11 Procede de recuperation de chaleur secondaire au cours de la digestion de la cellulose par charges Expired FR2453934B1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2453934A1 true FR2453934A1 (fr) 1980-11-07
FR2453934B1 FR2453934B1 (fr) 1985-08-23

Family

ID=26157029

Family Applications (2)

Application Number Title Priority Date Filing Date
FR8008225A Expired FR2453934B1 (fr) 1979-04-11 1980-04-11 Procede de recuperation de chaleur secondaire au cours de la digestion de la cellulose par charges
FR8415997A Expired FR2553797B1 (fr) 1979-04-11 1984-10-18 Procede de recuperation de chaleur secondaire au cours de la digestion de la cellulose par charges

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR8415997A Expired FR2553797B1 (fr) 1979-04-11 1984-10-18 Procede de recuperation de chaleur secondaire au cours de la digestion de la cellulose par charges

Country Status (8)

Country Link
AT (1) AT375692B (fr)
BR (1) BR8002271A (fr)
CA (1) CA1135101A (fr)
DE (1) DE3013825A1 (fr)
ES (1) ES490518A0 (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
FR2584433A1 (fr) * 1985-07-02 1987-01-09 Kamyr Ab Procede utilise dans une installation de cuisson de la cellulose.

Families Citing this family (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

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
FR2584433A1 (fr) * 1985-07-02 1987-01-09 Kamyr Ab Procede utilise dans une installation de cuisson de la cellulose.

Also Published As

Publication number Publication date
BR8002271A (pt) 1980-12-02
ES8101160A1 (es) 1980-12-01
DE3013825C2 (fr) 1987-03-26
NO157109C (no) 1988-01-20
PT71072A (en) 1980-05-01
NO157109B (no) 1987-10-12
FR2553797A1 (fr) 1985-04-26
FR2553797B1 (fr) 1987-01-16
DE3013825A1 (de) 1980-10-30
CA1135101A (fr) 1982-11-09
ATA197980A (de) 1984-01-15
NO801036L (no) 1980-10-13
ES490518A0 (es) 1980-12-01
AT375692B (de) 1984-08-27
FR2453934B1 (fr) 1985-08-23

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse