FR2238534B1 - - Google Patents

Info

Publication number
FR2238534B1
FR2238534B1 FR7425699A FR7425699A FR2238534B1 FR 2238534 B1 FR2238534 B1 FR 2238534B1 FR 7425699 A FR7425699 A FR 7425699A FR 7425699 A FR7425699 A FR 7425699A FR 2238534 B1 FR2238534 B1 FR 2238534B1
Authority
FR
Grant status
Grant
Patent type
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
FR7425699A
Other versions
FR2238534A1 (en )
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.)
Boise Cascade Corp
Original Assignee
Boise Cascade Corp
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
Grant date

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08Vortex chamber constructions
    • B04C5/081Shapes or dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24Multiple arrangement thereof
    • B04C5/30Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
FR7425699A 1973-07-24 1974-07-24 Expired FR2238534B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US3928186A US3928186A (en) 1973-07-24 1973-07-24 Combined pulp cleaning system including high and low pressure drop hydrocyclone cleaners

Publications (2)

Publication Number Publication Date
FR2238534A1 true FR2238534A1 (en) 1975-02-21
FR2238534B1 true FR2238534B1 (en) 1978-03-24

Family

ID=23507406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425699A Expired FR2238534B1 (en) 1973-07-24 1974-07-24

Country Status (7)

Country Link
US (1) US3928186A (en)
JP (1) JPS5431230B2 (en)
CA (1) CA1021723A (en)
DE (1) DE2435416B2 (en)
FI (1) FI223974A (en)
FR (1) FR2238534B1 (en)
GB (1) GB1482113A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514162B2 (en) * 1975-03-29 1977-02-03 Plant for the treatment of waste paper
US4351804A (en) * 1978-11-06 1982-09-28 Research-Cottrell, Inc. Sulfur dioxide scrubber with hydroclone separator
DE3043729C2 (en) * 1979-12-12 1988-11-10 Papcel Celulosy Np
GB2070466A (en) * 1980-02-25 1981-09-09 Celleco Ab Separator for the separation of a mixture of a cellulose pulp suspension and coarse heavy particles
FR2478489B1 (en) * 1980-03-21 1985-08-30 Centre Tech Ind Papier Method and device for separation of particles in a fluid, in particular for the purification of papermaking suspensions
US4305825A (en) * 1980-08-20 1981-12-15 Laval Claude C Reaction member for a fluid separating device
US4617114A (en) * 1984-03-07 1986-10-14 Skardal Karl A Vortex cleaner for cleaning and deaerating paper pulp suspensions
DE3543205C2 (en) * 1985-12-06 1990-06-21 J.M. Voith Gmbh, 7920 Heidenheim, De
GB8604462D0 (en) * 1986-02-22 1986-03-26 Elp Products Ltd Hydrocyclone
DK161871C (en) * 1986-10-13 1992-02-17 Asea Stal Ab cyclone
WO2003099447A1 (en) * 2002-05-27 2003-12-04 Gl & V Sweden Ab Hydrocyclone
US7404492B2 (en) * 2005-04-29 2008-07-29 Glv Finance Hungary Kft Separation of fibre pulp suspensions containing relatively heavy contaminants
CA2759313C (en) * 2009-04-20 2016-03-15 Sorbwater Technology As Apparatus and method for separation of phases in a multiphase flow
EP2448680A4 (en) * 2009-07-03 2018-01-17 Ovivo Luxembourg S À R L Hydrocyclone, system and method for cleaning cellulose suspensions
CN102641791B (en) * 2011-12-05 2014-05-14 中国石油大学(北京) High-concentration liquid-solid hydrocyclone

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735547A (en) * 1956-02-21 vissac
BE500693A (en) * 1939-11-21
NL181479C (en) * 1952-09-24
US2799208A (en) * 1955-04-29 1957-07-16 Scott Harold Eric Baliol Vortex type separators
US2843265A (en) * 1956-07-17 1958-07-15 Rakowsky Victor Method of density separation
US3052361A (en) * 1960-12-06 1962-09-04 Marvin E Whatley Liquid cyclone contactor
DE1461195A1 (en) * 1963-08-02 1969-02-06 Rudolf Zemanek System for screening pulp suspensions
GB1058914A (en) * 1965-06-14 1967-02-15 Outokumpu Oy Froth flotation apparatus
US3696934A (en) * 1967-09-02 1972-10-10 Saburo Oisi Apparatus for centrifugally separating impurities from fluid suspensions
US3543932A (en) * 1967-12-29 1970-12-01 Nichols Eng & Res Corp Vortex chamber reject control
US3486619A (en) * 1968-01-24 1969-12-30 Wikdahl Nils Anders Lennart Method of removing impurities from a fiber suspension
DE1922610B2 (en) * 1969-05-03 1973-01-04 Aktiengesellschaft Des Altenbergs Fuer Bergbau Und Zinkhuettenbetrieb, 5060 Bensberg-Untereschbach
NL6909273A (en) * 1969-06-18 1970-12-22
US3764005A (en) * 1971-02-22 1973-10-09 Boise Cascade Corp Hydrocyclone pulp cleaner

Also Published As

Publication number Publication date Type
GB1482113A (en) 1977-08-03 application
JPS5431230B2 (en) 1979-10-05 grant
JP999418C (en) grant
CA1021723A (en) 1977-11-29 grant
FR2238534A1 (en) 1975-02-21 application
DE2435416A1 (en) 1975-02-27 application
JPS5070962A (en) 1975-06-12 application
DE2435416B2 (en) 1977-04-07 application
CA1021723A1 (en) grant
US3928186A (en) 1975-12-23 grant
FI223974A (en) 1975-01-25 application

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Legal Events

Date Code Title Description
ST Notification of lapse