CA1242055A - Sawdust pumping, and processing - Google Patents

Sawdust pumping, and processing

Info

Publication number
CA1242055A
CA1242055A CA000477850A CA477850A CA1242055A CA 1242055 A CA1242055 A CA 1242055A CA 000477850 A CA000477850 A CA 000477850A CA 477850 A CA477850 A CA 477850A CA 1242055 A CA1242055 A CA 1242055A
Authority
CA
Canada
Prior art keywords
slurry
vessel
sawdust
recited
digester
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
CA000477850A
Other languages
English (en)
French (fr)
Inventor
Michael I. Sherman
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Application granted granted Critical
Publication of CA1242055A publication Critical patent/CA1242055A/en
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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices

Landscapes

  • Paper (AREA)
CA000477850A 1984-04-02 1985-03-28 Sawdust pumping, and processing Expired CA1242055A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US596,111 1975-07-15
US59611184A 1984-04-02 1984-04-02

Publications (1)

Publication Number Publication Date
CA1242055A true CA1242055A (en) 1988-09-20

Family

ID=24386023

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000477850A Expired CA1242055A (en) 1984-04-02 1985-03-28 Sawdust pumping, and processing

Country Status (6)

Country Link
EP (1) EP0157279B1 (fi)
JP (1) JPH0639755B2 (fi)
BR (1) BR8501512A (fi)
CA (1) CA1242055A (fi)
DE (1) DE3564300D1 (fi)
FI (1) FI78745C (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325888B1 (en) 1995-08-31 2001-12-04 Andritz-Ahlstrom Inc. Method for pulping sawdust

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI79361B (fi) * 1988-01-05 1989-08-31 Ahlstroem Oy Foerfarande och apparatur foer underlaettande av uttoemning av fallroer eller liknande och behandling av massa i sagda utrymme.
US5753075A (en) * 1996-10-25 1998-05-19 Stromberg; C. Bertil Method and system for feeding comminuted fibrous material
US6106668A (en) * 1996-10-25 2000-08-22 Ahlstrom Machinery Inc. Method for feeding comminuted fibrous material
SE0201512L (sv) * 2002-05-21 2003-03-11 Kvaerner Pulping Tech Metod för kontinuerlig kokning av vedrådvara till cellulosamassa
CA2455172C (en) * 2003-01-30 2010-02-23 Andritz Inc. Feeding comminuted fibrous material using high pressure screw and centrifugal pumps
CN101398262A (zh) * 2007-09-29 2009-04-01 沈阳铝镁设计研究院 一种矿浆直接加热方法及设备
SE532060C2 (sv) 2008-03-20 2009-10-13 Metso Fiber Karlstad Ab Matningssystem innefattande parallella pumpar för en kontinuerlig kokare
US8888954B2 (en) 2008-03-20 2014-11-18 Valmet Ab Feeding system having pumps in parallel for a continuous digester
SE532083C2 (sv) 2008-03-20 2009-10-20 Metso Fiber Karlstad Ab Matningssystem innefattande parallella pumpar för en kontinuerlig kokare

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR569326A (fr) * 1922-04-27 1924-04-10 Cuiseur continu sous pression
FR1226093A (fr) * 1958-06-04 1960-07-08 Buss Ag Procédé pour l'apport et l'enlèvement continu de substances solides dans un appareil se trouvant sous pression ou en dépression et dispositif pour la mise en oeuvre du procédé
US3001481A (en) * 1958-09-02 1961-09-26 Improved Machinery Inc Pump
US3475271A (en) * 1966-02-07 1969-10-28 Kamyr Ab Cellulose digester with washing apparatus
US3586600A (en) * 1967-07-27 1971-06-22 Improved Machinery Inc Continuous digesting apparatus
JPS489122U (fi) * 1971-06-11 1973-02-01
SE390990B (sv) * 1975-06-02 1977-01-31 Kamyr Ab Sett och anordning for impregnering av fibermaterial fore kokning medelst pulsering av tryck mellan kokartryck och ett legre tryck
US4410337A (en) * 1980-04-07 1983-10-18 A. Ahlstrom Osakeyhtio Method and an apparatus for separating a gas from a fibre suspension
US4370172A (en) * 1981-03-17 1983-01-25 Compagnie De Construction Mecanique Sulzer, French Societe Anonyme Controlled vortex pump feed for supplying cellulose-containing material to reaction vessel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6325888B1 (en) 1995-08-31 2001-12-04 Andritz-Ahlstrom Inc. Method for pulping sawdust
US6379504B1 (en) 1995-08-31 2002-04-30 Andritz Inc. Apparatus for pulping sawdust

Also Published As

Publication number Publication date
DE3564300D1 (en) 1988-09-15
BR8501512A (pt) 1985-11-26
JPH0639755B2 (ja) 1994-05-25
FI851253A0 (fi) 1985-03-28
FI851253L (fi) 1985-10-03
EP0157279B1 (en) 1988-08-10
EP0157279A1 (en) 1985-10-09
JPS60231890A (ja) 1985-11-18
FI78745B (fi) 1989-05-31
FI78745C (fi) 1989-09-11

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Legal Events

Date Code Title Description
MKEX Expiry