NO941197L - Flottasjonsinnretning - Google Patents

Flottasjonsinnretning

Info

Publication number
NO941197L
NO941197L NO941197A NO941197A NO941197L NO 941197 L NO941197 L NO 941197L NO 941197 A NO941197 A NO 941197A NO 941197 A NO941197 A NO 941197A NO 941197 L NO941197 L NO 941197L
Authority
NO
Norway
Prior art keywords
hand
separating part
dirt particles
diameter
air
Prior art date
Application number
NO941197A
Other languages
Norwegian (no)
Other versions
NO941197D0 (en
Inventor
Michael Trefz
Original Assignee
Voith Gmbh J M
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 Voith Gmbh J M filed Critical Voith Gmbh J M
Publication of NO941197D0 publication Critical patent/NO941197D0/en
Publication of NO941197L publication Critical patent/NO941197L/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1418—Flotation machines using centrifugal forces
    • 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
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • 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
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
    • B04C2003/003—Shapes or dimensions of vortex chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Abstract

The invention relates to a flotation device, especially for the cleaning of fibrous suspensions in the paper industry, having an essentially rotationally-symmetrical separating part (1) for air bubbles with dirt particles taken up by them on the one hand and, on the other hand, fibres, and having, in particular, a tangential feed (2) and discharge (5) for cleaned suspension and a central dip tube (14) for the removal of dirt particles and air. The invention is characterised in that the inflow (2) is arranged at the bottom, the outflow (5) at the top and the separating part (1) tapers significantly upwards, the diameter ratio of the largest diameter (D1) to the smallest diameter (D2) (D1/D2) is between 1.2 and 3. <IMAGE>
NO941197A 1993-04-02 1994-03-30 Flottasjonsinnretning NO941197L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4310807 1993-04-02

Publications (2)

Publication Number Publication Date
NO941197D0 NO941197D0 (en) 1994-03-30
NO941197L true NO941197L (en) 1994-10-03

Family

ID=6484547

Family Applications (1)

Application Number Title Priority Date Filing Date
NO941197A NO941197L (en) 1993-04-02 1994-03-30 Flottasjonsinnretning

Country Status (8)

Country Link
EP (1) EP0618012B1 (en)
JP (1) JPH0748791A (en)
AT (1) ATE142911T1 (en)
BR (1) BR9400885A (en)
CA (1) CA2120436A1 (en)
DE (1) DE59400653D1 (en)
FI (1) FI941536A (en)
NO (1) NO941197L (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330635C2 (en) * 1993-09-10 1996-07-11 Voith Sulzer Stoffaufbereitung Process for the separation of solids by flotation and flotation device
DE4426159A1 (en) * 1994-07-22 1994-12-08 Voith Gmbh J M Flotation device
DE4432042C2 (en) * 1994-09-09 1998-07-02 Forschungszentrum Juelich Gmbh Fumigation / flotation reactor with arrangements for separating solids from liquids
US5580446A (en) * 1994-10-20 1996-12-03 International Paper Company Screen, vortex apparatus for cleaning recycled pulp and related process
US5529190A (en) * 1995-02-06 1996-06-25 Ahlstrom Machinery, Inc. Gas sparged hydrocyclone with foam separating vessel
US5899342A (en) * 1997-06-04 1999-05-04 Voith Sulzer Paper Technology North America, Inc. Hydrocyclone separator
DE19803089C2 (en) * 1998-01-28 2001-07-26 Voith Paper Patent Gmbh Flotation device for the separation of solids
DE19811090A1 (en) 1998-03-13 1999-09-16 Georg Klas Cyclone separator for effluent household gray water
WO1999049127A1 (en) * 1998-03-25 1999-09-30 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno A process for removing contaminants from waste paper
DE19939275A1 (en) 1999-08-19 2001-02-22 Voith Paper Patent Gmbh Device and method for degassing a liquid or pasty medium in a machine for producing and / or refining a material web, in particular made of paper or cardboard
US7108136B2 (en) * 2001-03-19 2006-09-19 Rainer Imhof Pneumatic flotation separation device
NO329085B1 (en) * 2008-01-31 2010-08-16 Sorbwater Technology As Process and apparatus for separating fluid phases, and their applications
CN111206903A (en) * 2011-11-07 2020-05-29 哈利伯顿能源服务公司 Fluid discrimination for use with subterranean wells
IT201700070854A1 (en) * 2017-06-26 2018-12-26 Dellaquila Sergio Separator cyclone.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738782C2 (en) * 1977-08-27 1979-07-12 J.M. Voith Gmbh, 7920 Heidenheim Flotation device for removing printing ink
US4378289A (en) * 1981-01-07 1983-03-29 Hunter A Bruce Method and apparatus for centrifugal separation
CH658481A5 (en) * 1983-02-18 1986-11-14 Escher Wyss Gmbh FLOTATION DEVICE FOR FLOTING FIBER FIBER SUSPENSION MADE FROM WASTE PAPER.
US5080792A (en) * 1990-08-03 1992-01-14 Amoco Corporation Apparatus and method for separating fluids

Also Published As

Publication number Publication date
ATE142911T1 (en) 1996-10-15
FI941536A (en) 1994-10-03
NO941197D0 (en) 1994-03-30
JPH0748791A (en) 1995-02-21
DE59400653D1 (en) 1996-10-24
EP0618012B1 (en) 1996-09-18
EP0618012A1 (en) 1994-10-05
FI941536A0 (en) 1994-03-31
BR9400885A (en) 1994-10-25
CA2120436A1 (en) 1994-10-03

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