ES485487A1 - Dispositivo para destintar suspensiones de material fibroso - Google Patents

Dispositivo para destintar suspensiones de material fibroso

Info

Publication number
ES485487A1
ES485487A1 ES485487A ES485487A ES485487A1 ES 485487 A1 ES485487 A1 ES 485487A1 ES 485487 A ES485487 A ES 485487A ES 485487 A ES485487 A ES 485487A ES 485487 A1 ES485487 A1 ES 485487A1
Authority
ES
Spain
Prior art keywords
fibrous material
suspensions
translation
machine
legally binding
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
ES485487A
Other languages
English (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.)
Feldmuehle AG
Original Assignee
Feldmuehle AG
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 Feldmuehle AG filed Critical Feldmuehle AG
Publication of ES485487A1 publication Critical patent/ES485487A1/es
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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry
    • 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
    • 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
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • 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
    • 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
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • 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)
  • Treatment Of Fiber Materials (AREA)

Abstract

Dispositivo para destintar suspensiones de material fibroso mediante flotación que consta de una celda anular de flotación con instalaciones asociadas con éste para la retirada por succión de la espuma y para la aireación, así como instalaciones para la aportación y retirada de suspensión de material fibroso con respecto a la celda anular de flotación, caracterizado por la combinación de las siguientes particularidades: en la celda anular de flotación a) la o las bocas de aportación para la suspensión de material fibroso se encuentran entre 300 y 1000 mm por debajo del nivel de la suspensión de material fibroso; b) la boca de retirada está aproximadamente a la altura del fondo y c) la o las bocas de aireación ulterior están dispuestas a 300 hasta 500 mm por encima de la boca de retirada y a 300 hasta 1700 mm por debajo de la o las bocas de aportación.
ES485487A 1979-04-10 1979-10-29 Dispositivo para destintar suspensiones de material fibroso Expired ES485487A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2914392A DE2914392C2 (de) 1979-04-10 1979-04-10 Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen

Publications (1)

Publication Number Publication Date
ES485487A1 true ES485487A1 (es) 1980-05-16

Family

ID=6067920

Family Applications (1)

Application Number Title Priority Date Filing Date
ES485487A Expired ES485487A1 (es) 1979-04-10 1979-10-29 Dispositivo para destintar suspensiones de material fibroso

Country Status (4)

Country Link
DE (1) DE2914392C2 (es)
ES (1) ES485487A1 (es)
FI (1) FI69492C (es)
IT (1) IT1124212B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0037513B1 (de) * 1980-04-09 1984-08-08 Feldmühle Aktiengesellschaft Flotationsvorrichtung zum Deinken von Faserstoffsuspensionen
DE3120202C2 (de) * 1981-05-21 1986-06-26 J.M. Voith Gmbh, 7920 Heidenheim Einrichtung zum Deinken von Altpapier durch Flotation
DE3127290C2 (de) * 1981-07-10 1986-10-30 J.M. Voith Gmbh, 7920 Heidenheim Flotationseinrichtung zur Aufbereitung von Altpapier
CH658481A5 (de) * 1983-02-18 1986-11-14 Escher Wyss Gmbh Flotationsvorrichtung zum flotieren von aus altpapier gewonnener faserstoffsuspension.
DE3406990A1 (de) * 1984-02-27 1985-08-29 E. & M. Lamort S.A., Vitry-le-François, Marne Verfahren und vorrichtung zum flotieren von dispersionen
CH665859A5 (de) * 1984-12-19 1988-06-15 Escher Wyss Gmbh Verfahren und vorrichtung zum entfernen von verunreinigungen aus altpapier.
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
DE102012006596B3 (de) * 2012-04-02 2013-08-08 Erwin Sander Elektroapparatebau Gmbh Einrichtung zum Reinigen von Wasser, insbesondere Aquarienwasser
DE102012209756A1 (de) 2012-06-12 2013-12-12 Siemens Aktiengesellschaft Verfahren zum Entkalken von Prozesswasser

Also Published As

Publication number Publication date
FI69492C (fi) 1986-02-10
DE2914392C2 (de) 1980-10-23
IT7912784A0 (it) 1979-10-23
FI69492B (fi) 1985-10-31
DE2914392B1 (de) 1980-02-28
IT1124212B (it) 1986-05-07
FI792919A7 (fi) 1980-10-11

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990201