IT8267659A0 - DEVICE TO DEINK WASTE PAPER BY FLOTATION - Google Patents

DEVICE TO DEINK WASTE PAPER BY FLOTATION

Info

Publication number
IT8267659A0
IT8267659A0 IT8267659A IT6765982A IT8267659A0 IT 8267659 A0 IT8267659 A0 IT 8267659A0 IT 8267659 A IT8267659 A IT 8267659A IT 6765982 A IT6765982 A IT 6765982A IT 8267659 A0 IT8267659 A0 IT 8267659A0
Authority
IT
Italy
Prior art keywords
flotation
waste paper
deink
deink waste
paper
Prior art date
Application number
IT8267659A
Other languages
Italian (it)
Other versions
IT1156010B (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 IT8267659A0 publication Critical patent/IT8267659A0/en
Application granted granted Critical
Publication of IT1156010B publication Critical patent/IT1156010B/en

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)
IT6765982A 1981-05-21 1982-05-20 DEVICE FOR INKING THE RIP PAPER BY FLOTATION IT1156010B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3120202A DE3120202C2 (en) 1981-05-21 1981-05-21 Device for deinking waste paper through flotation

Publications (2)

Publication Number Publication Date
IT8267659A0 true IT8267659A0 (en) 1982-05-20
IT1156010B IT1156010B (en) 1987-01-28

Family

ID=6132869

Family Applications (2)

Application Number Title Priority Date Filing Date
IT5330782U IT8253307V0 (en) 1981-05-21 1982-05-20 DEVICE FOR INKING THE RIP PAPER BY FLOTATION
IT6765982A IT1156010B (en) 1981-05-21 1982-05-20 DEVICE FOR INKING THE RIP PAPER BY FLOTATION

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT5330782U IT8253307V0 (en) 1981-05-21 1982-05-20 DEVICE FOR INKING THE RIP PAPER BY FLOTATION

Country Status (6)

Country Link
JP (1) JPS5818495A (en)
AT (1) AT380906B (en)
BR (1) BR8202941A (en)
CH (1) CH656406A5 (en)
DE (1) DE3120202C2 (en)
IT (2) IT8253307V0 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3614933C1 (en) * 1986-05-02 1987-10-22 Voith Gmbh J M Flotation tank or cell
US5529190A (en) * 1995-02-06 1996-06-25 Ahlstrom Machinery, Inc. Gas sparged hydrocyclone with foam separating vessel
AT411155B (en) * 2002-03-27 2003-10-27 Andritz Ag Maschf DEVICE FOR SEPARATING SOLIDS FROM LIQUIDS BY FLOTATION
AT412216B (en) 2003-01-24 2004-11-25 Andritz Ag Maschf METHOD AND DEVICE FOR VENTILATING SUSPENSIONS
DE102008056040A1 (en) 2008-11-05 2010-05-06 Voith Patent Gmbh Method for removing contaminants from aqueous fiber suspension, particularly waste paper suspension, involves introducing inner flow of gas in inner side of flow of fiber suspension, where open jet is formed at fiber suspension
DE102008063780A1 (en) 2008-12-18 2010-06-24 Voith Patent Gmbh Process for the removal of solids from a fiber suspension by flotation and flotation for its implementation
DE102008064271A1 (en) 2008-12-20 2010-07-01 Voith Patent Gmbh Process for the removal of solids from a fiber suspension by flotation and flotation for its implementation
DE102008064270A1 (en) * 2008-12-20 2010-07-01 Voith Patent Gmbh Flotation method for removing contaminants from aqueous fibrous material suspension by gas bubbles, involves supplying stream of fibrous material suspension along interference body after supplying stream of gas
DE102009010698A1 (en) * 2009-02-27 2010-09-02 Voith Patent Gmbh Flotation device for the removal of impurities by using gas bubbles, comprises flotation container, where mixing device is provided for supplying flow of gas
DE102009015404A1 (en) 2009-03-27 2010-09-30 Voith Patent Gmbh Method for removing solids from fibrous material suspension, involves partially bringing together cleaned pulp suspension streams before adding into flotation chambers that are communicatingly connected with one another
DE102009040318A1 (en) 2009-09-05 2011-03-10 Voith Patent Gmbh Method for removing impurities from waste paper suspension, involves forming suspension jet, and pulling surface of suspension jet accessible to supplied gas during or after discharge from jet forming channel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914392C2 (en) * 1979-04-10 1980-10-23 E. Et M. Lamort S.A., Vitry-Le-Francois Process and device for deinking pulp suspensions

Also Published As

Publication number Publication date
JPS5818495A (en) 1983-02-03
DE3120202C2 (en) 1986-06-26
ATA172682A (en) 1985-12-15
DE3120202A1 (en) 1982-12-09
IT8253307V0 (en) 1982-05-20
IT1156010B (en) 1987-01-28
BR8202941A (en) 1983-05-03
AT380906B (en) 1986-07-25
JPH0220755B2 (en) 1990-05-10
CH656406A5 (en) 1986-06-30

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970528