FR1348964A - Method and apparatus for washing and refrigerating at the outlet end of a continuous cellulose digester - Google Patents

Method and apparatus for washing and refrigerating at the outlet end of a continuous cellulose digester

Info

Publication number
FR1348964A
FR1348964A FR926487A FR926487A FR1348964A FR 1348964 A FR1348964 A FR 1348964A FR 926487 A FR926487 A FR 926487A FR 926487 A FR926487 A FR 926487A FR 1348964 A FR1348964 A FR 1348964A
Authority
FR
France
Prior art keywords
refrigerating
washing
outlet
continuous cellulose
cellulose 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
FR926487A
Other languages
French (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.)
Metso Fiber Karlstad AB
Original Assignee
Kamyr 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 to SE235762 priority Critical
Application filed by Kamyr AB filed Critical Kamyr AB
Application granted granted Critical
Publication of FR1348964A publication Critical patent/FR1348964A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/02Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
FR926487A 1962-03-03 1963-03-01 Method and apparatus for washing and refrigerating at the outlet end of a continuous cellulose digester Expired FR1348964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE235762 1962-03-03

Publications (1)

Publication Number Publication Date
FR1348964A true FR1348964A (en) 1964-01-10

Family

ID=20259818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926487A Expired FR1348964A (en) 1962-03-03 1963-03-01 Method and apparatus for washing and refrigerating at the outlet end of a continuous cellulose digester

Country Status (5)

Country Link
US (1) US3298899A (en)
DE (1) DE1517144A1 (en)
FI (1) FI44081B (en)
FR (1) FR1348964A (en)
NO (1) NO115278B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332364A1 (en) * 1975-11-19 1977-06-17 Sulzer Ag Continuous hydrolysing plant for wood chips - has rotary sluice connecting presteamer and pressurised reactor divided into zones
FR2553797A1 (en) * 1979-04-11 1985-04-26 Celleco Ab Method of recovery of secondary heat during the batchwise digestion of cellulose.

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380883A (en) * 1963-09-27 1968-04-30 Kamyr Ab Method and apparatus for performing prehydrolysis in a continuous counterflow digester
FI44514B (en) * 1963-12-13 1971-08-02 Kamyr Ab
US3445328A (en) * 1964-01-25 1969-05-20 Kamyr Ab Method for continuous cellulose digestion utilizing two temperature zones
US3441475A (en) * 1965-07-09 1969-04-29 Domtar Ltd Continuous pulping apparatus
US3434920A (en) * 1965-10-07 1969-03-25 Frank B K Green Apparatus for continuous digesting
US3530034A (en) * 1969-05-16 1970-09-22 Itt Rayonier Inc Continuous aqueous prehydrolysis of wood chips
US3627629A (en) * 1970-05-06 1971-12-14 Bauer Bros Co Refining system and process
US4061193A (en) * 1975-09-15 1977-12-06 Kamyr, Inc. Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top
US4193839A (en) * 1976-05-11 1980-03-18 Kamyr, Inc. Flow control method and apparatus for continuous wood chip digester screenless liquor extractor
US4212705A (en) * 1978-05-22 1980-07-15 Babington William M Jr Apparatus for recovering high pressure steam from a blow tank
SE445120B (en) * 1978-05-23 1986-06-02 Toyo Pulp Co Ltd PROCEDURE FOR THE PREPARATION OF ALKALIC PASS
US4385172A (en) * 1980-03-24 1983-05-24 International Paper Company Prevention of hornification of dissolving pulp
US4597832A (en) * 1981-10-01 1986-07-01 The United States Of America As Represented By The United States Department Of Energy Apparatus for converting biomass to a pumpable slurry
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
SE506458C2 (en) 1996-02-09 1997-12-15 Kvaerner Pulping Tech Continuous boiling of cellulosic material with heat exchange between boiler extraction and circulating boiling liquid
US5766418A (en) * 1996-09-13 1998-06-16 Ahlstrom Machinery Inc. Handling fibrous material used to produce cellulose pulp
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
SE519555C2 (en) * 2002-05-21 2003-03-11 Kvaerner Pulping Tech Continuous sawdust cooking process for producing pulp, involves adding filtrate from washing step and white liquor to basing vessel to form part of cooking liquid
FI120505B (en) * 2002-07-12 2009-11-13 Stora Enso Oyj Continuous process for cooking cellulose-based pulp and pulping machine suitable for the process
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus
WO2015155642A1 (en) * 2014-04-07 2015-10-15 Stora Enso Oyj A method of digesting cellulose fibrous material in a continuous digester

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1548477A (en) * 1924-07-02 1925-08-04 Morterud Knut Kristoffer Circulation system for pulp digesters
US1633734A (en) * 1925-07-14 1927-06-28 Jr Frederick K Fish Process and apparatus for digesting or cooking fibrous material
GB684222A (en) * 1950-07-08 1952-12-10 Kamyr Ab Cellulose digester
DE1034968B (en) * 1956-01-11 1958-07-24 Hans Werner Meyer Continuous process for the chemical digestion of cellulosic fibers into cellulose or semi-cellulose and device for its implementation
US3035963A (en) * 1958-02-19 1962-05-22 Lummus Co Process for the continuous digestion of cellulosic materials
DE1262116B (en) * 1958-07-09 1968-02-29 Kamyr Ab Method and device for pre-washing the pulp in a standing pulp digester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332364A1 (en) * 1975-11-19 1977-06-17 Sulzer Ag Continuous hydrolysing plant for wood chips - has rotary sluice connecting presteamer and pressurised reactor divided into zones
FR2553797A1 (en) * 1979-04-11 1985-04-26 Celleco Ab Method of recovery of secondary heat during the batchwise digestion of cellulose.

Also Published As

Publication number Publication date
NO115278B (en) 1968-09-09
DE1517144A1 (en) 1969-03-13
US3298899A (en) 1967-01-17
FI44081B (en) 1971-04-30

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