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ES2015722A6 - Metodo y dispositivo para limpiar una suspension de fibras de contaminantes ligeros. - Google Patents

Metodo y dispositivo para limpiar una suspension de fibras de contaminantes ligeros.

Info

Publication number
ES2015722A6
ES2015722A6 ES8902401A ES8902401A ES2015722A6 ES 2015722 A6 ES2015722 A6 ES 2015722A6 ES 8902401 A ES8902401 A ES 8902401A ES 8902401 A ES8902401 A ES 8902401A ES 2015722 A6 ES2015722 A6 ES 2015722A6
Authority
ES
Spain
Prior art keywords
cleaning
hydrocyclone
fiber suspension
apex
separation efficiency
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 - Lifetime
Application number
ES8902401A
Other languages
English (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.)
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
Publication of ES2015722A6 publication Critical patent/ES2015722A6/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/181—Bulkheads or central bodies in the discharge opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Paper (AREA)

Abstract

METODO Y DISPOSITIVO PARA LIMPIAR UNA SUSPENSION DE FIBRAS DE CONTAMINANTES LIGEROS. ESTA INVENCION SE REFIERE A UN METODO PARA LA LIMPIEZA, POR LO MENOS SUSTANCIAL, DE UNA SUSPENSION DE MATERIAL DE FIBRAS EN LIQUIDO, CON RESPECTO A CONTAMINANTES NO FACILMENTE SEPARABLES, POR MEDIO DE UN PROCESO DE SEPARACION EFECTUADO CON UNA RELACION DE AREA Y/O DE CONTRAPRESION ENTRE LA SALIDA DE LA CORRESPONDIENTE FRACCION LIGERA Y LA SALIDA DE LA FRACCION PESADA, TAL QUE CUANDO A ES LA PROPORCION ENTRE LA CANTIDAD DE PARTICULAS NO FACILMENTE SEPARABLES LIGERAS EN LA SALIDA PARA LA FRACCION LIGERA Y EN LA ENTRADA Y B ES LA PROPORCION ENTRE LA CANTIDAD DE MATERIAL DE FIBRAS EN LA ULTIMA SALIDA MENCIONADA Y LA ENTRADA, A SERA MAYOR, PREFERENTEMENTE MUCHO MAYOR QUE B, CARACTERIZADO POR OBSTRUIR EL CAUDAL AXIAL CENTRAL EN DIRECCION HACIA LA SALIDA DE LA FRACCION PESADA.
ES8902401A 1988-07-08 1989-07-07 Metodo y dispositivo para limpiar una suspension de fibras de contaminantes ligeros. Expired - Lifetime ES2015722A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802580A SE469279C (sv) 1988-07-08 1988-07-08 Sätt och anordning för att befria en fibersuspension från lätta föroreningar

Publications (1)

Publication Number Publication Date
ES2015722A6 true ES2015722A6 (es) 1990-09-01

Family

ID=20372874

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8902401A Expired - Lifetime ES2015722A6 (es) 1988-07-08 1989-07-07 Metodo y dispositivo para limpiar una suspension de fibras de contaminantes ligeros.

Country Status (9)

Country Link
EP (1) EP0424431A1 (es)
JP (1) JPH04500392A (es)
AU (1) AU627754B2 (es)
ES (1) ES2015722A6 (es)
FI (1) FI910100A7 (es)
NZ (1) NZ229835A (es)
PT (1) PT91097B (es)
SE (2) SE8802580L (es)
WO (1) WO1990000646A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8055591A (en) * 1990-06-15 1992-01-07 Heidemij Reststoffendiensten B.V. Flotation cyclone
CA2219102A1 (en) * 1995-05-22 1996-11-28 Nordson Corporation Cyclone recovery system and cyclone separator with perforated thimble
US5788728A (en) * 1996-12-03 1998-08-04 Nordson Corporation Powder coating booth with improved cyclone separator
EP2834408A1 (en) * 2012-04-03 2015-02-11 Ovivo Luxembourg S.à.r.l. Process for removal of solid non-fibrous material from pulp
WO2020146581A1 (en) * 2019-01-10 2020-07-16 Bengt Eriksson Hydrocyclone reject chamber

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE201650C1 (es) * 1965-01-01
SE226259C1 (es) * 1969-04-29
SE208474C1 (es) *
SE311470B (es) * 1965-02-24 1969-06-09 Noss Ab
SE305113B (es) * 1965-11-01 1968-10-14 Svenska Flaektfabriken Ab
SE371375B (es) * 1973-03-05 1974-11-18 Celleco Ab
US3928186A (en) * 1973-07-24 1975-12-23 Boise Cascade Corp Combined pulp cleaning system including high and low pressure drop hydrocyclone cleaners
FI80837C (fi) * 1985-05-03 1990-08-10 Larox Ag Hydrauliskt klassifiseringsfoerfarande och -anordning.
GB8604462D0 (en) * 1986-02-22 1986-03-26 Elp Products Ltd Hydrocyclone
DE3633150A1 (de) * 1986-09-30 1988-04-07 Voith Gmbh J M Wirbelreiniger
BR8707945A (pt) * 1986-11-26 1990-02-13 Delawood Pty Ltd Hidrociclone e metodo para separar,pelo menos parcialmente,nao dentro de um limite substancial,misturas predominantemente fluidas
FI77066C (fi) * 1987-09-01 1989-01-10 Ahlstroem Oy Foerfarande och anordning foer rening av massasuspension.

Also Published As

Publication number Publication date
AU627754B2 (en) 1992-09-03
FI910100A0 (fi) 1991-01-08
SE8802580D0 (sv) 1988-07-08
SE469279C (sv) 1997-10-20
PT91097B (pt) 1994-12-30
SE8802580L (sv) 1990-01-09
NZ229835A (en) 1992-03-26
SE469279B (sv) 1993-06-14
PT91097A (pt) 1990-02-08
WO1990000646A1 (en) 1990-01-25
EP0424431A1 (en) 1991-05-02
FI910100A7 (fi) 1991-01-08
AU3861889A (en) 1990-02-05
JPH04500392A (ja) 1992-01-23

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040503