GB2039763B - Aeration device for fibrous suspension - Google Patents

Aeration device for fibrous suspension

Info

Publication number
GB2039763B
GB2039763B GB7941373A GB7941373A GB2039763B GB 2039763 B GB2039763 B GB 2039763B GB 7941373 A GB7941373 A GB 7941373A GB 7941373 A GB7941373 A GB 7941373A GB 2039763 B GB2039763 B GB 2039763B
Authority
GB
United Kingdom
Prior art keywords
impeller
aeration device
suspension
outer ring
vanes
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.)
Expired
Application number
GB7941373A
Other languages
English (en)
Other versions
GB2039763A (en
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
Publication of GB2039763A publication Critical patent/GB2039763A/en
Application granted granted Critical
Publication of GB2039763B publication Critical patent/GB2039763B/en
Expired legal-status Critical Current

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
    • B03D1/1412—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
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B03D1/22—Flotation machines with impellers; Subaeration machines with external blowers
    • 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
    • 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)
  • Mixers Of The Rotary Stirring Type (AREA)
GB7941373A 1978-12-01 1979-11-30 Aeration device for fibrous suspension Expired GB2039763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2852023A DE2852023C2 (de) 1978-12-01 1978-12-01 Vorrichtung zum Einleiten einer Faserstoffsuspension in einen Flotationsbehälter

Publications (2)

Publication Number Publication Date
GB2039763A GB2039763A (en) 1980-08-20
GB2039763B true GB2039763B (en) 1982-11-10

Family

ID=6056081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7941373A Expired GB2039763B (en) 1978-12-01 1979-11-30 Aeration device for fibrous suspension

Country Status (9)

Country Link
JP (1) JPS5575750A (enrdf_load_stackoverflow)
AT (1) AT370794B (enrdf_load_stackoverflow)
DE (1) DE2852023C2 (enrdf_load_stackoverflow)
FI (1) FI793758A7 (enrdf_load_stackoverflow)
FR (1) FR2442663A1 (enrdf_load_stackoverflow)
GB (1) GB2039763B (enrdf_load_stackoverflow)
IT (1) IT1119511B (enrdf_load_stackoverflow)
NL (1) NL7908486A (enrdf_load_stackoverflow)
SE (1) SE7909747L (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI83482C (fi) * 1990-01-10 1991-07-25 Outokumpu Oy Saett och anordning foer matning av luft i flotationscell.
US5244097A (en) * 1990-01-10 1993-09-14 Outokumpu Oy Apparatus for feeding air into a flotation cell
DE19948176B4 (de) * 1999-10-07 2004-05-13 Voith Paper Patent Gmbh Flotationsvorrichtung zur Störstoff- insbesondere Druckfarbenentfernung aus Papierfasersuspensionen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136201B2 (enrdf_load_stackoverflow) * 1972-03-18 1976-10-07
JPS4948604B2 (enrdf_load_stackoverflow) * 1972-10-11 1974-12-23

Also Published As

Publication number Publication date
IT1119511B (it) 1986-03-10
IT7969247A0 (it) 1979-11-20
NL7908486A (nl) 1980-06-03
ATA629579A (de) 1982-09-15
FI793758A7 (fi) 1981-01-01
DE2852023B1 (de) 1979-12-20
DE2852023C2 (de) 1980-08-28
AT370794B (de) 1983-05-10
FR2442663A1 (fr) 1980-06-27
GB2039763A (en) 1980-08-20
JPS5575750A (en) 1980-06-07
FR2442663B3 (enrdf_load_stackoverflow) 1981-08-28
SE7909747L (sv) 1980-06-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee