FI73760B - Separator foer separation av en blandning av en cellulosamassasuspension och grova, tunga partiklar. - Google Patents

Separator foer separation av en blandning av en cellulosamassasuspension och grova, tunga partiklar. Download PDF

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Publication number
FI73760B
FI73760B FI810502A FI810502A FI73760B FI 73760 B FI73760 B FI 73760B FI 810502 A FI810502 A FI 810502A FI 810502 A FI810502 A FI 810502A FI 73760 B FI73760 B FI 73760B
Authority
FI
Finland
Prior art keywords
separation chamber
fraction
vortex
light
heavy
Prior art date
Application number
FI810502A
Other languages
English (en)
Finnish (fi)
Other versions
FI73760C (sv
FI810502L (fi
Inventor
Rune Helmer Frykhult
Original Assignee
Celleco 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
Application filed by Celleco Ab filed Critical Celleco Ab
Publication of FI810502L publication Critical patent/FI810502L/fi
Publication of FI73760B publication Critical patent/FI73760B/fi
Application granted granted Critical
Publication of FI73760C publication Critical patent/FI73760C/sv

Links

Classifications

    • 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
    • D21D5/24—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force in cyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/705—Filters with filtering elements which move during the filtering operation having feed or discharge devices with internal recirculation through the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • B01D33/727—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding provoking a tangential stream
    • 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
    • B04C5/08—Vortex chamber constructions
    • 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
    • B04C5/08—Vortex chamber constructions
    • B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • 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
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • 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
    • B04C5/22—Apparatus in which the axial direction of the vortex is reversed with cleaning means
    • B04C5/23—Apparatus in which the axial direction of the vortex is reversed with cleaning means using liquids
    • 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
    • B04C5/24—Multiple arrangement thereof
    • B04C5/26—Multiple arrangement thereof for series flow
    • 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
    • B04C5/24—Multiple arrangement thereof
    • B04C5/30—Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits
    • 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
    • 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
    • D21D5/02—Straining or screening the pulp
    • D21D5/06—Rotary screen-drums
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
    • 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
    • B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Claims (7)

1. Sätt att befria en cellulosasuspension fran grova partiklar genom att suspensionen först Zeds via ett inlopp (3) in i en första separeringskammare (1), i vilken suspensionen separeras i en första lätt fraktion innehallande cellulosa och en första tung fraktion innehallande grcva partiklar och en del cellulosa, varvid nämnda första lätta och tunga fraktioner leds ut genom resp. utlopp (4, 5) i den första separeringskammare (1), varefter den första tunga fraktionen leds in in en andra separeringskamna-re (2) via ett inlopp (6) i denna, i vilken andra separeringsk3m-rnare (2) den första tunga fraktionen separeras i en andra lätt 12 73760 fraktion innehällande cellulosa och en andra tung fraktion inne-hällande grova partiklar, varvid nämnda andra lätta och tunga fraktioner leds ut genom resp. utlopp (7, 8) i den andra separeringskammaren och den andra lätta fraktionen sedan leds till-baka in i den första separeringskammaren (l),känneteck-n a t av att den första tunga fraktionen pressas frän den första* separeringskammaren (1) tili den andra separeringskammaren (2) medelst den oseparerade suspensionen, som leds in i den första separerins-karamaren (1), och - att en zon ästadkommes, som kommunicerar med den första sepa-reringskammaren (1) och som har ett tryck, vilket är lägre än trycket i den andra separeringskammaren (2) vid utloppet (7) för den andra lätta fraktionen, varvid sistnämnda fraktion leds frän sistnämnda utlopp (7) tili den nämnda zonen .
2. Sätt enligt patentkravet l,kännetecknat av att den första tunga fraktionen leds i periferiell riktning in i den andra separeringskammaren (2), sä att den bildar en virvel i denna.
3. Sätt enligt patentkravet 2, kännetecknat av att den andra lätta fraktionen leds centralt ut frän virveln i den andra separeringskammaren (2).
4. Sätt enligt nagot av patentkraven 1-3, kännetecknat av att suspensionen leds i periferiell riktning in i den första separeringskammaren (1), sä att den bildar en virvel i denna.
5. Sätt enligt patentkravet 4, kännetecknat av att den första lätta fraktionen leds centralt ut frän virveln i den fcrsta separeringskammaren (1).
FI810502A 1980-02-25 1981-02-18 Separator för separation av en blandning av en cellulosamassasuspensi on och grova, tunga partiklar. FI73760C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8001440 1980-02-25
SE8001440A SE426958B (sv) 1980-02-25 1980-02-25 Separator for uppdelning av en inkommande blandning av cellulosasuspension eller liknande och grova tunga partiklar

Publications (3)

Publication Number Publication Date
FI810502L FI810502L (fi) 1981-08-26
FI73760B true FI73760B (fi) 1987-07-31
FI73760C FI73760C (sv) 1987-11-09

Family

ID=20340340

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810502A FI73760C (sv) 1980-02-25 1981-02-18 Separator för separation av en blandning av en cellulosamassasuspensi on och grova, tunga partiklar.

Country Status (8)

Country Link
US (1) US4334986A (sv)
JP (1) JPS56133061A (sv)
CA (1) CA1167803A (sv)
DE (1) DE3106889A1 (sv)
FI (1) FI73760C (sv)
FR (1) FR2476504A1 (sv)
GB (1) GB2070466A (sv)
SE (1) SE426958B (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597859A (en) * 1984-10-15 1986-07-01 Conoco Inc. Adjustable vortex classifier
GB8429933D0 (en) * 1984-11-27 1985-01-03 Coal Industry Patents Ltd Cyclone separator means
DE3515891A1 (de) * 1985-05-03 1986-11-06 Hein, Lehmann AG, 4000 Düsseldorf Siebvorrichtung
FI76139C (sv) * 1987-01-19 1988-09-09 Ahlstroem Oy Förfarande och anordning för kvistseparering
US4834875A (en) * 1988-04-11 1989-05-30 Kuhl Henry Y Two stage liquid filtraton apparatus
JPH01305168A (ja) * 1988-06-03 1989-12-08 Fuji Filter Kogyo Kk スラリー用プランジャーポンプ
WO1989011902A1 (en) * 1988-06-03 1989-12-14 Fuji Filter Kogyo Kabushiki Kaisha Slurry filtering apparatus
SE467392B (sv) * 1989-08-03 1992-07-13 Richard Berg Ab Anordning foer avskiljande av sand och andra tyngre partiklar fraan en vaetska
US5139652A (en) * 1990-12-31 1992-08-18 A. Ahlstrom Corporation Centrifugal cleaner
SE514543C2 (sv) * 1995-03-08 2001-03-12 Kvaerner Pulping Tech Apparat för inblandning av ett första fluidum i ett andra fluidum
GB9817073D0 (en) 1997-11-04 1998-10-07 Bhr Group Ltd Phase separator
GB2330786B (en) * 1997-11-04 1999-12-22 Bhr Group Ltd Cyclone separator
GB9817071D0 (en) 1997-11-04 1998-10-07 Bhr Group Ltd Cyclone separator
SE511483C2 (sv) * 1998-02-04 1999-10-04 Sunds Defibrator Ind Ab Trycksil med skrotavskiljning
GB2367019B (en) * 2000-07-14 2004-03-17 Bhr Group Ltd Cyclone separator
US9724707B2 (en) * 2012-12-21 2017-08-08 National Oilwell Varco, L.P. Fluid treatment system, a fluid processing apparatus and a method of treating a mixture
EP3843868A4 (en) * 2018-08-27 2022-05-04 Sierra Space Corporation LOW GRAVITY WATER CAPTURE DEVICE WITH WATER STABILIZATION

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US604871A (en) * 1898-05-31 Dust-collector
GB700791A (en) * 1951-08-03 1953-12-09 English Electric Co Ltd Improvements in and relating to dust separators
US2776053A (en) * 1954-01-28 1957-01-01 Equipment Engineers Inc Hydraulic separating apparatus and method
NL238998A (sv) * 1958-05-08
US3061098A (en) * 1960-07-18 1962-10-30 Beloit Iron Works Centrifugal classifier and stock cleaner
US3235090A (en) * 1961-12-15 1966-02-15 Univ Oklahoma State Hydroclones
DE1461195A1 (de) * 1963-08-02 1969-02-06 Jan Fellegi Anlage zum Sichten von Faserstoffsuspensionen
US3288286A (en) * 1964-02-18 1966-11-29 Prins Klaas Centrifugal type separator
US3399770A (en) * 1966-01-19 1968-09-03 Beloit Corp Method for centrifugal separation of particles from a mixture
SE346705B (sv) * 1970-04-01 1972-07-17 N Wikdahl
US4042503A (en) * 1973-12-10 1977-08-16 Beloit Corporation Classifier and process for recycled fiber separation
US4151083A (en) * 1974-09-10 1979-04-24 Dove Norman F Apparatus and method for separating heavy impurities from feed stock
JPS5421990A (en) * 1977-07-21 1979-02-19 Central Glass Co Ltd Process for removing phosphorus compnent in fluorite
DE2818029C2 (de) * 1978-04-25 1984-01-12 J.M. Voith Gmbh, 7920 Heidenheim Vorrichtung zum Sortieren von Faserstoffsuspensionen

Also Published As

Publication number Publication date
CA1167803A (en) 1984-05-22
SE426958B (sv) 1983-02-21
FR2476504A1 (fr) 1981-08-28
JPS56133061A (en) 1981-10-17
SE8001440L (sv) 1981-08-26
GB2070466A (en) 1981-09-09
FI73760C (sv) 1987-11-09
FI810502L (fi) 1981-08-26
US4334986A (en) 1982-06-15
DE3106889A1 (de) 1982-03-18

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Owner name: AB CELLECO