FI20105713A0 - Apparatus and method for separating gas from flotation foam - Google Patents

Apparatus and method for separating gas from flotation foam

Info

Publication number
FI20105713A0
FI20105713A0 FI20105713A FI20105713A FI20105713A0 FI 20105713 A0 FI20105713 A0 FI 20105713A0 FI 20105713 A FI20105713 A FI 20105713A FI 20105713 A FI20105713 A FI 20105713A FI 20105713 A0 FI20105713 A0 FI 20105713A0
Authority
FI
Finland
Prior art keywords
separating gas
flotation foam
flotation
foam
separating
Prior art date
Application number
FI20105713A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20105713A (en
FI122408B (en
Inventor
Harri Kesseli
Ahti Alavataja
Original Assignee
Metso Paper Inc
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 Metso Paper Inc filed Critical Metso Paper Inc
Priority to FI20105713A priority Critical patent/FI122408B/en
Publication of FI20105713A0 publication Critical patent/FI20105713A0/en
Priority to DE102011077628A priority patent/DE102011077628A1/en
Priority to ATA891/2011A priority patent/AT510049B1/en
Publication of FI20105713A publication Critical patent/FI20105713A/en
Application granted granted Critical
Publication of FI122408B publication Critical patent/FI122408B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
    • B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0063—Regulation, control including valves and floats
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Biotechnology (AREA)
  • Paper (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Separation By Low-Temperature Treatments (AREA)
FI20105713A 2010-06-18 2010-06-18 Apparatus and method for separating gas from flotation foam FI122408B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20105713A FI122408B (en) 2010-06-18 2010-06-18 Apparatus and method for separating gas from flotation foam
DE102011077628A DE102011077628A1 (en) 2010-06-18 2011-06-16 System for separating air from flotation froth, has element arranged at gas separation space and controlling flow against construction that limits space, or at construction that is arranged at space, to destruct gas bubbles
ATA891/2011A AT510049B1 (en) 2010-06-18 2011-06-17 APPARATUS AND METHOD FOR SEPARATING GAS FROM FLOTATION FOAM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20105713A FI122408B (en) 2010-06-18 2010-06-18 Apparatus and method for separating gas from flotation foam
FI20105713 2010-06-18

Publications (3)

Publication Number Publication Date
FI20105713A0 true FI20105713A0 (en) 2010-06-18
FI20105713A FI20105713A (en) 2011-12-19
FI122408B FI122408B (en) 2012-01-13

Family

ID=42308166

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20105713A FI122408B (en) 2010-06-18 2010-06-18 Apparatus and method for separating gas from flotation foam

Country Status (3)

Country Link
AT (1) AT510049B1 (en)
DE (1) DE102011077628A1 (en)
FI (1) FI122408B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK3463608T3 (en) * 2016-05-24 2021-12-06 Glencore Tech Pty Ltd Procedure for venting foam

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20204981U1 (en) 2002-03-30 2003-08-07 Voith Paper Patent GmbH, 89522 Heidenheim Rotary air separator for foam floating on waste paper suspension, has shaft and impellers surrounded by fixed wall
DE102008030531A1 (en) * 2007-12-17 2009-06-18 Voith Patent Gmbh Method and device for removing gas, in particular air from flotation foam and their use

Also Published As

Publication number Publication date
AT510049A2 (en) 2012-01-15
DE102011077628A1 (en) 2011-12-22
FI20105713A (en) 2011-12-19
FI122408B (en) 2012-01-13
AT510049A3 (en) 2012-12-15
AT510049B1 (en) 2013-01-15

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