CA933113A - Process and apparatus for separating from cellulose fiber suspensions particles lighter than or having approximately the same density as the fibers - Google Patents

Process and apparatus for separating from cellulose fiber suspensions particles lighter than or having approximately the same density as the fibers

Info

Publication number
CA933113A
CA933113A CA109241A CA109241A CA933113A CA 933113 A CA933113 A CA 933113A CA 109241 A CA109241 A CA 109241A CA 109241 A CA109241 A CA 109241A CA 933113 A CA933113 A CA 933113A
Authority
CA
Canada
Prior art keywords
fibers
separating
approximately
cellulose fiber
same density
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
CA109241A
Other languages
English (en)
Inventor
A. L. Wikdahl Nils
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA933113A publication Critical patent/CA933113A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
CA109241A 1970-04-01 1971-03-31 Process and apparatus for separating from cellulose fiber suspensions particles lighter than or having approximately the same density as the fibers Expired CA933113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE04487/70A SE346705B (de) 1970-04-01 1970-04-01

Publications (1)

Publication Number Publication Date
CA933113A true CA933113A (en) 1973-09-04

Family

ID=20264313

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109241A Expired CA933113A (en) 1970-04-01 1971-03-31 Process and apparatus for separating from cellulose fiber suspensions particles lighter than or having approximately the same density as the fibers

Country Status (8)

Country Link
US (1) US3764006A (de)
AU (1) AU2672571A (de)
CA (1) CA933113A (de)
DE (1) DE2112352A1 (de)
FR (1) FR2083268A5 (de)
GB (1) GB1289798A (de)
SE (1) SE346705B (de)
SU (1) SU409430A3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940331A (en) * 1974-11-01 1976-02-24 Rastatter Edward L Vortical cyclone cluster apparatus
SE426958B (sv) * 1980-02-25 1983-02-21 Celleco Ab Separator for uppdelning av en inkommande blandning av cellulosasuspension eller liknande och grova tunga partiklar
CA1137925A (en) * 1980-04-01 1982-12-21 Johannes J. Richters Header arrangement for hydrocyclones having concentric accept outlet arrangements
DE3140549C2 (de) * 1981-10-13 1986-10-16 J.M. Voith Gmbh, 7920 Heidenheim Sortiergerät für Fasersuspensionen der Papierindustrie
DE3244769C2 (de) * 1982-12-03 1987-03-05 Kernforschungsanlage Jülich GmbH, 5170 Jülich Vorrichtung zur Feinstaubabscheidung bei einem Wirbelschichtreaktor
DE4309920A1 (en) 1993-03-26 1993-08-26 Voith Gmbh J M Hydro-cyclone separator with central outlet tube for lighter fraction - which has internal guide vanes at a distance from end equal to half diameter of tube.
ES2220296T3 (es) * 1999-07-06 2004-12-16 Voith Paper Patent Gmbh Procedimiento y dispositivo para extraer materiales pertubadores de un hidrociclon.
SE527041C2 (sv) * 2003-04-29 2005-12-13 Holmen Ab Förfarande för selektivt avlägsnande av märgstråleceller ur cellulosamassa
FR3009742B1 (fr) * 2013-08-14 2019-05-17 Ortec Expansion Procede et unite de pompage de produits inflammables susceptibles de former une atmosphere explosive

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0707981B1 (de) * 1994-10-21 1999-09-01 World Wide Stationery Manufacturing Co. Ltd. Ringordnermechanismus

Also Published As

Publication number Publication date
AU2672571A (en) 1972-09-21
SU409430A3 (de) 1973-11-30
GB1289798A (de) 1972-09-20
US3764006A (en) 1973-10-09
SE346705B (de) 1972-07-17
DE2112352A1 (de) 1971-10-21
FR2083268A5 (de) 1971-12-10

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