DE60031344T2 - Verfahren und Vorrichtung zur Trennung mittels pneumatischer Flotation - Google Patents

Verfahren und Vorrichtung zur Trennung mittels pneumatischer Flotation Download PDF

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Publication number
DE60031344T2
DE60031344T2 DE60031344T DE60031344T DE60031344T2 DE 60031344 T2 DE60031344 T2 DE 60031344T2 DE 60031344 T DE60031344 T DE 60031344T DE 60031344 T DE60031344 T DE 60031344T DE 60031344 T2 DE60031344 T2 DE 60031344T2
Authority
DE
Germany
Prior art keywords
pulp
annular channel
foam
aerated
nozzle
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 - Lifetime
Application number
DE60031344T
Other languages
German (de)
English (en)
Other versions
DE60031344D1 (de
Inventor
Dr. Rainer Imhof
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.)
Maelgwyn Mineral Services Ltd
Original Assignee
Maelgwyn Mineral Services Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10860894&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60031344(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maelgwyn Mineral Services Ltd filed Critical Maelgwyn Mineral Services Ltd
Application granted granted Critical
Publication of DE60031344D1 publication Critical patent/DE60031344D1/de
Publication of DE60031344T2 publication Critical patent/DE60031344T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B03D1/1418—Flotation machines using centrifugal forces
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Paper (AREA)
  • Fish Paste Products (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE60031344T 1999-09-14 2000-08-31 Verfahren und Vorrichtung zur Trennung mittels pneumatischer Flotation Expired - Lifetime DE60031344T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9921716 1999-09-14
GBGB9921716.8A GB9921716D0 (en) 1999-09-14 1999-09-14 Pneumatic flotation separation device

Publications (2)

Publication Number Publication Date
DE60031344D1 DE60031344D1 (de) 2006-11-30
DE60031344T2 true DE60031344T2 (de) 2007-05-24

Family

ID=10860894

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60031344T Expired - Lifetime DE60031344T2 (de) 1999-09-14 2000-08-31 Verfahren und Vorrichtung zur Trennung mittels pneumatischer Flotation

Country Status (5)

Country Link
EP (1) EP1084753B1 (fr)
AT (1) ATE342772T1 (fr)
DE (1) DE60031344T2 (fr)
ES (1) ES2274766T3 (fr)
GB (1) GB9921716D0 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001240887B2 (en) 2001-03-19 2007-05-24 Maelgwyn Mineral Services Limited Pneumatic flotation separation device
AU2006209789B2 (en) 2005-02-01 2011-12-15 Newcastle Innovation Limited Method and apparatus for contacting bubbles and particles in a flotation separation system
CN112723454B (zh) * 2020-12-04 2022-09-06 成都市蜀科科技有限责任公司 一种污水处理用高效射流气浮机
CN113976333B (zh) * 2021-10-25 2022-07-22 中南大学 一种含高磁黄铁矿型铜矿的预处理方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR86129E (fr) * 1964-07-08 1965-12-17 Kloeckner Humboldt Deutz Ag Cuve pour la flottation à la mousse de mélanges de matières à grains fins, en particulier de matières minérales
DE2738782C2 (de) * 1977-08-27 1979-07-12 J.M. Voith Gmbh, 7920 Heidenheim Flotationsvorrichtung zum Entfernen von Druckerschwärze
CH665962A5 (de) * 1985-07-19 1988-06-30 Escher Wyss Gmbh Begasungsvorrichtung fuer eine flotationseinrichtung und deren verwendung.
FR2730941B1 (fr) * 1995-02-23 1997-05-16 Gonzalez Pierre Cellule pour le traitement par flottation d'un milieu liquide
DE19728393C2 (de) * 1997-07-03 1999-08-05 Voith Sulzer Stoffaufbereitung Verfahren und Anlage zur Entfernung von Störstoffen aus einer wässrigen Faserstoffsuspension

Also Published As

Publication number Publication date
GB9921716D0 (en) 1999-11-17
EP1084753A3 (fr) 2002-01-09
ES2274766T3 (es) 2007-06-01
EP1084753A2 (fr) 2001-03-21
ATE342772T1 (de) 2006-11-15
DE60031344D1 (de) 2006-11-30
EP1084753B1 (fr) 2006-10-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent