IT8253307V0 - Dispositivo per disinchiostrare la carta straccia mediante flottazione - Google Patents

Dispositivo per disinchiostrare la carta straccia mediante flottazione

Info

Publication number
IT8253307V0
IT8253307V0 IT5330782U IT5330782U IT8253307V0 IT 8253307 V0 IT8253307 V0 IT 8253307V0 IT 5330782 U IT5330782 U IT 5330782U IT 5330782 U IT5330782 U IT 5330782U IT 8253307 V0 IT8253307 V0 IT 8253307V0
Authority
IT
Italy
Prior art keywords
flotation
mixing pipe
air
suspension
cell
Prior art date
Application number
IT5330782U
Other languages
English (en)
Inventor
Peter Schweiss
Hans Dieter Dorflinger
Herbert Ortner
Werner Cechovsky
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 IT8253307V0 publication Critical patent/IT8253307V0/it

Links

Classifications

    • 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
    • B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • 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
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • 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
    • B03D1/24—Pneumatic
    • B03D1/242—Nozzles for injecting gas into the flotation tank
    • 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
    • B03D1/24—Pneumatic
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
IT5330782U 1981-05-21 1982-05-20 Dispositivo per disinchiostrare la carta straccia mediante flottazione IT8253307V0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3120202A DE3120202C2 (de) 1981-05-21 1981-05-21 Einrichtung zum Deinken von Altpapier durch Flotation

Publications (1)

Publication Number Publication Date
IT8253307V0 true IT8253307V0 (it) 1982-05-20

Family

ID=6132869

Family Applications (2)

Application Number Title Priority Date Filing Date
IT6765982A IT1156010B (it) 1981-05-21 1982-05-20 Dispositivo per disinchiostrare la carta straccia mediante flottazione
IT5330782U IT8253307V0 (it) 1981-05-21 1982-05-20 Dispositivo per disinchiostrare la carta straccia mediante flottazione

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT6765982A IT1156010B (it) 1981-05-21 1982-05-20 Dispositivo per disinchiostrare la carta straccia mediante flottazione

Country Status (6)

Country Link
JP (1) JPS5818495A (it)
AT (1) AT380906B (it)
BR (1) BR8202941A (it)
CH (1) CH656406A5 (it)
DE (1) DE3120202C2 (it)
IT (2) IT1156010B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3614933C1 (de) * 1986-05-02 1987-10-22 Voith Gmbh J M Flotationsbehaelter oder -zelle
US5529190A (en) * 1995-02-06 1996-06-25 Ahlstrom Machinery, Inc. Gas sparged hydrocyclone with foam separating vessel
AT411155B (de) * 2002-03-27 2003-10-27 Andritz Ag Maschf Vorrichtung zum abtrennen von feststoffen aus flüssigkeiten mittels flotation
AT412216B (de) 2003-01-24 2004-11-25 Andritz Ag Maschf Verfahren und vorrichtung zur belüftung von suspensionen
DE102008056040A1 (de) 2008-11-05 2010-05-06 Voith Patent Gmbh Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension durch Flotation sowie Vorrichtung zu seiner Durchführung
DE102008063780A1 (de) 2008-12-18 2010-06-24 Voith Patent Gmbh Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung
DE102008064270A1 (de) * 2008-12-20 2010-07-01 Voith Patent Gmbh Verfahren und Vorrichtung zur Flotation einer wässrigen Faserstoffsuspension
DE102008064271A1 (de) 2008-12-20 2010-07-01 Voith Patent Gmbh Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung
DE102009010698A1 (de) * 2009-02-27 2010-09-02 Voith Patent Gmbh Flotationsvorrichtung
DE102009015404A1 (de) 2009-03-27 2010-09-30 Voith Patent Gmbh Verfahren zur Entfernung von Feststoffen aus einer Faserstoffsuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung
DE102009040318A1 (de) 2009-09-05 2011-03-10 Voith Patent Gmbh Verfahren zur Entfernung von Störstoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914392C2 (de) * 1979-04-10 1980-10-23 E. Et M. Lamort S.A., Vitry-Le-Francois Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen

Also Published As

Publication number Publication date
CH656406A5 (de) 1986-06-30
IT8267659A0 (it) 1982-05-20
JPS5818495A (ja) 1983-02-03
ATA172682A (de) 1985-12-15
IT1156010B (it) 1987-01-28
AT380906B (de) 1986-07-25
BR8202941A (pt) 1983-05-03
DE3120202A1 (de) 1982-12-09
DE3120202C2 (de) 1986-06-26
JPH0220755B2 (it) 1990-05-10

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