DE3013825A1 - Verfahren zur sekundaerwaerme-rueckgewinnung beim chargenweisen zelluloseaufschluss - Google Patents

Verfahren zur sekundaerwaerme-rueckgewinnung beim chargenweisen zelluloseaufschluss

Info

Publication number
DE3013825A1
DE3013825A1 DE19803013825 DE3013825A DE3013825A1 DE 3013825 A1 DE3013825 A1 DE 3013825A1 DE 19803013825 DE19803013825 DE 19803013825 DE 3013825 A DE3013825 A DE 3013825A DE 3013825 A1 DE3013825 A1 DE 3013825A1
Authority
DE
Germany
Prior art keywords
steam
digester
cooker
digestion
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.)
Granted
Application number
DE19803013825
Other languages
German (de)
English (en)
Other versions
DE3013825C2 (fr
Inventor
R
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.)
Valmet 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 DE3013825A1 publication Critical patent/DE3013825A1/de
Application granted granted Critical
Publication of DE3013825C2 publication Critical patent/DE3013825C2/de
Granted 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)
DE19803013825 1979-04-11 1980-04-10 Verfahren zur sekundaerwaerme-rueckgewinnung beim chargenweisen zelluloseaufschluss Granted DE3013825A1 (de)

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
DE3013825A1 true DE3013825A1 (de) 1980-10-30
DE3013825C2 DE3013825C2 (fr) 1987-03-26

Family

ID=26157029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803013825 Granted DE3013825A1 (de) 1979-04-11 1980-04-10 Verfahren zur sekundaerwaerme-rueckgewinnung beim chargenweisen zelluloseaufschluss

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)

Families Citing this family (2)

* 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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT *

Also Published As

Publication number Publication date
FR2553797A1 (fr) 1985-04-26
FR2553797B1 (fr) 1987-01-16
CA1135101A (fr) 1982-11-09
NO801036L (no) 1980-10-13
ES8101160A1 (es) 1980-12-01
ATA197980A (de) 1984-01-15
BR8002271A (pt) 1980-12-02
DE3013825C2 (fr) 1987-03-26
FR2453934A1 (fr) 1980-11-07
ES490518A0 (es) 1980-12-01
PT71072A (en) 1980-05-01
FR2453934B1 (fr) 1985-08-23
AT375692B (de) 1984-08-27
NO157109C (no) 1988-01-20
NO157109B (no) 1987-10-12

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Legal Events

Date Code Title Description
OB Request for examination as to novelty
OC Search report available
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: CELLECO AB, STOCKHOLM, SE

8128 New person/name/address of the agent

Representative=s name: RUSCHKE, O., DIPL.-ING., 1000 BERLIN RUSCHKE, H.,

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SUNDS DEFIBRATOR AB, SUNDSVALL, SE

8328 Change in the person/name/address of the agent

Free format text: RUSCHKE, H., DIPL.-ING., 8000 MUENCHEN RUSCHKE, O., DIPL.-ING., 1000 BERLIN ROST, J., DIPL.-ING. ROTTER, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee