EP0408862A2 - Hydrocyclone - Google Patents

Hydrocyclone Download PDF

Info

Publication number
EP0408862A2
EP0408862A2 EP90109713A EP90109713A EP0408862A2 EP 0408862 A2 EP0408862 A2 EP 0408862A2 EP 90109713 A EP90109713 A EP 90109713A EP 90109713 A EP90109713 A EP 90109713A EP 0408862 A2 EP0408862 A2 EP 0408862A2
Authority
EP
European Patent Office
Prior art keywords
diameter
hydrocyclone
radius
hydrocyclone according
cyclone
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.)
Granted
Application number
EP90109713A
Other languages
German (de)
English (en)
Other versions
EP0408862A3 (en
EP0408862B1 (fr
Inventor
Peter Schweiss
Hans-Dieter Dörflinger
Edgar Dr. Muschelknautz
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.)
JM Voith GmbH
Original Assignee
JM Voith GmbH
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 JM Voith GmbH filed Critical JM Voith GmbH
Priority to AT90109713T priority Critical patent/ATE94428T1/de
Publication of EP0408862A2 publication Critical patent/EP0408862A2/fr
Publication of EP0408862A3 publication Critical patent/EP0408862A3/de
Application granted granted Critical
Publication of EP0408862B1 publication Critical patent/EP0408862B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • 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
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
    • 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
    • B04C5/081—Shapes or dimensions
    • 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

Definitions

  • the invention relates to a hydrocyclone according to the preamble of claim 1, as they are widely known in the prior art.
  • the object of the invention is to further improve the effect with regard to the separation effect of such a cyclone.
  • the inlet area B is provided with a tangential inlet 7 and a central exhaust pipe for light materials 5.
  • a cylindrical part C having the diameter R a.
  • Part A also begins with the same diameter with the gradually decreasing diameter, with the start of the x-axis which extends along the central longitudinal axis of the cyclone.
  • the formula R R a then applies to the diameter R of this section. ⁇ 1-x / l .
  • the separating part A ends in the nozzle body 4 by means of a nozzle 3, which serves as an outlet for a heavy fraction.
  • the nozzle 3 is created by cutting off the theoretical total length 1 of the cyclone to a length l k .
  • the required nozzle diameter is thus obtained through various nozzle pieces 4 that can be attached to the body of the hydrocyclone.
  • the nozzle piece 4 that is l ⁇ 0.95 xl k
  • an approximation of the contour of the cyclone to the specified formula by conical pieces K 1, K 2 is possible, with the deviation up and down the limit of 5 to 10% - the closer the nozzle 3, the smaller the permissible deviation - should not exceed.
  • the length l z of the cylindrical intermediate piece C should be at most 0.3 times the total length l k of the cyclone.
  • the cylindrical intermediate piece C could have a 10% larger (C ') or smaller (C ⁇ ) radius than the starting radius R a of the lower part A.
  • FIG. 3 it can be slightly conical with a cone angle, relative to one side, between 2 and 6 °.
  • the radius of the inlet part B 'of FIG. 3 is 20 to 30% larger than the initial radius R a of the lower part A.
  • the separator chamber 8 for the light materials has approximately the same diameter, which is provided with an upper baffle plate 9 which is arranged opposite the outlet opening of the conical separator tube 5 'for the light materials.
  • Fig. 2 it is also shown that you get by "cutting" the total length of the cyclone on the nozzle body 4, the outlet diameter of the nozzle body D1, D2, D3 with a gradually decreasing value for the total lengths of the cyclone part l k1 , l k2 and l k3 .
  • outlet end of the hydrocyclone for the heavy fraction opens into a space which is closed off from air.
  • a collecting container can be provided for this purpose and the nozzle diameter can be adapted to the required withdrawal quantity by the "cutting off" of the total length of the cyclone.
  • the discharge end for the heavy fraction can open into a chamber in which a discharge line is connected.
  • a throttle valve can be provided in this discharge line in order to control the discharge quantity by changing the pressure.

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cyclones (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Fluid-Pressure Circuits (AREA)
EP90109713A 1989-07-19 1990-05-22 Hydrocyclone Expired - Lifetime EP0408862B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90109713T ATE94428T1 (de) 1989-07-19 1990-05-22 Hydrozyklon.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3923849A DE3923849A1 (de) 1989-07-19 1989-07-19 Hydrozyklon
DE3923849 1989-07-19

Publications (3)

Publication Number Publication Date
EP0408862A2 true EP0408862A2 (fr) 1991-01-23
EP0408862A3 EP0408862A3 (en) 1991-03-06
EP0408862B1 EP0408862B1 (fr) 1993-09-15

Family

ID=6385356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109713A Expired - Lifetime EP0408862B1 (fr) 1989-07-19 1990-05-22 Hydrocyclone

Country Status (11)

Country Link
US (1) US5078549A (fr)
EP (1) EP0408862B1 (fr)
JP (1) JPH03137952A (fr)
KR (1) KR910002513A (fr)
AT (1) ATE94428T1 (fr)
BR (1) BR9003410A (fr)
CA (1) CA2021478A1 (fr)
DE (1) DE3923849A1 (fr)
DK (1) DK0408862T3 (fr)
ES (1) ES2046587T3 (fr)
FI (1) FI98498C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000010717A1 (fr) * 1998-08-19 2000-03-02 G.B.D. Corporation Separateur cyclone avec profil longitudinal variable
WO2000010719A1 (fr) * 1998-08-19 2000-03-02 G.B.D. Corporation Insert pour separateur cyclone
WO2000010718A1 (fr) * 1998-08-19 2000-03-02 G.B.D. Corporation Insert terminal pour separateur cyclone

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5340481A (en) * 1993-02-26 1994-08-23 Pv Enterprises, Inc. Dense media processing cyclone
US5571416A (en) * 1995-06-06 1996-11-05 Claude Laval Corporation Continuous drain for solids separated by a centrifugal separator
US5860884A (en) * 1996-10-28 1999-01-19 Tecumseh Products Company Variable speed transmission and transaxle
US5882530A (en) * 1997-04-30 1999-03-16 The University Of Akron Crossflow filter cyclone apparatus
US6238451B1 (en) 1999-01-08 2001-05-29 Fantom Technologies Inc. Vacuum cleaner
WO2001017638A2 (fr) * 1999-09-09 2001-03-15 Kadant Black Clawson, Inc. Hydrocyclone de nettoyage presentant un profil incurve constant
AU2007357799B9 (en) * 2007-08-16 2013-08-01 Tata Steel Limited Cyclone for dense medium separation
US9243653B2 (en) * 2009-05-08 2016-01-26 Watreco Ip Ab Vortex generator with vortex chamber

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783887A (en) * 1957-03-05 Cyclone separator
US2706045A (en) * 1955-04-12 Liquid separation
BE500693A (fr) * 1939-11-21
NL65097C (fr) * 1946-12-09
IT454223A (fr) * 1950-12-05
FR1037980A (fr) * 1951-06-01 1953-09-24 Lamex Soc Classeur-concentrateur d'éléments solides en suspension dans un fluide en mouvement
BE520587A (fr) * 1952-06-13
US2975896A (en) * 1955-05-02 1961-03-21 Hirsch Siegfried Hydrocyclone for fibres suspension
CH421057A (de) * 1964-09-22 1966-09-30 Intec Fa Hydrozyklon
US3404778A (en) * 1964-11-18 1968-10-08 Bauer Bros Co Hydrocyclone
DE2621051A1 (de) * 1976-05-12 1977-12-01 Volkswagenwerk Ag Zyklonvorrichtung
SU1333419A1 (ru) * 1986-04-22 1987-08-30 Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения Центробежное устройство дл разделени суспензий
US4927298A (en) * 1988-02-22 1990-05-22 Tuszko Wlodzimier J Cyclone separating method and apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000010717A1 (fr) * 1998-08-19 2000-03-02 G.B.D. Corporation Separateur cyclone avec profil longitudinal variable
WO2000010719A1 (fr) * 1998-08-19 2000-03-02 G.B.D. Corporation Insert pour separateur cyclone
WO2000010718A1 (fr) * 1998-08-19 2000-03-02 G.B.D. Corporation Insert terminal pour separateur cyclone
US6277278B1 (en) 1998-08-19 2001-08-21 G.B.D. Corp. Cyclone separator having a variable longitudinal profile
US6312594B1 (en) 1998-08-19 2001-11-06 G.B.D. Corp. Insert for a cyclone separator
GB2370006A (en) * 1998-08-19 2002-06-19 Gbd Corp Terminal insert for a cyclone separator
US6419719B2 (en) 1998-08-19 2002-07-16 G.B.D. Corp. Cyclonic vacuum cleaner
US6596046B2 (en) 1998-08-19 2003-07-22 G.B.D. Corp. Cyclone separator having a variable longitudinal profile
GB2370006B (en) * 1998-08-19 2003-10-29 Gbd Corp Vacuum cleaner

Also Published As

Publication number Publication date
ES2046587T3 (es) 1994-02-01
CA2021478A1 (fr) 1991-01-20
FI98498C (fi) 1997-07-10
DK0408862T3 (da) 1994-02-07
JPH03137952A (ja) 1991-06-12
BR9003410A (pt) 1991-08-27
FI903639A0 (fi) 1990-07-18
DE3923849A1 (de) 1991-01-24
US5078549A (en) 1992-01-07
ATE94428T1 (de) 1993-10-15
FI98498B (fi) 1997-03-27
KR910002513A (ko) 1991-02-25
EP0408862A3 (en) 1991-03-06
EP0408862B1 (fr) 1993-09-15

Similar Documents

Publication Publication Date Title
DE3122052C2 (de) Zyklonseparator zum Abtrennen oder Sammeln von Festkörperpartikeln aus einem Fluid
DE4392971C2 (de) Zyklonabschneider
DE2038045C3 (de) Zyklon
DE3650237T2 (de) Gegenläufiges Hydrozyklon zum Abtrennen von leichten Verunreinigungen aus einer Fasergutsuspension.
DE69212308T2 (de) Vorrichtung zum trennen von mehreren komponenten enthaltenden fluiden
DE3030980C2 (de) Hydrozyklon.
EP0408862A2 (fr) Hydrocyclone
DE1301796B (de) Hydrozyklon
EP3222357A1 (fr) Separateur de boue
CH642278A5 (de) Zyklonabscheider zum abscheiden von schwer- und staubteilen aus fasermaterial.
EP1364696B1 (fr) Dispositif d'épuration d'un courant gazeux
DE69734286T2 (de) Durchflussreiniger mit verbessertem einlassbereich
DE69608194T2 (de) Zentrifugalabschneider, insbesondere für einen Kessel mit zirkulierendem Wirbelbett
DE68913882T2 (de) Wirbelrohr-Abscheider.
DE3941016A1 (de) Zyklonfilter
EP0398864B1 (fr) Procédé et dispositif de séparation de matières d'un milieu
DE3537906A1 (de) Zyklon-abscheider
DE10309575A1 (de) Zyklotron zur Abscheidung von Partikeln aus einem Gas-Partikel-Gemisch
DE19508430A1 (de) Hydrozyklon
DE2521801C2 (de) Mehrstufiger Fliehkraftabscheider
DE916617C (de) Vorrichtung zum Abscheiden fester, in einem Gasstrom enthaltener Bestandteile
EP0648543B1 (fr) Séparateur à écoulement tourbillonnant
DE69626663T2 (de) Zentrifugalseparator mit verbesserter ruhender auffangkammer
DE2439648C2 (de) Mehrzyklonentstauber
DE4405642A1 (de) Fliehkraftabscheider

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DK ES FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19901222

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DK ES FR GB IT LI NL SE

17Q First examination report despatched

Effective date: 19920601

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DK ES FR GB IT LI NL SE

REF Corresponds to:

Ref document number: 94428

Country of ref document: AT

Date of ref document: 19931015

Kind code of ref document: T

ITF It: translation for a ep patent filed
ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930924

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2046587

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
EAL Se: european patent in force in sweden

Ref document number: 90109713.9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19970527

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19970529

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980531

BERE Be: lapsed

Owner name: J.M. VOITH G.M.B.H.

Effective date: 19980531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19981201

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19990423

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19990511

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19990518

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 19990526

Year of fee payment: 10

Ref country code: AT

Payment date: 19990526

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19990527

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19990616

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000522

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000522

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000522

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000523

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 20000523

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000531

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20000522

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

EUG Se: european patent has lapsed

Ref document number: 90109713.9

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010131

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20020204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050522