FR2209594A1 - Rotary filter for woodpulp fibre recovery - cylindrical screens are built into large rotating drum and fibres blown into screw collector - Google Patents

Rotary filter for woodpulp fibre recovery - cylindrical screens are built into large rotating drum and fibres blown into screw collector

Info

Publication number
FR2209594A1
FR2209594A1 FR7343973A FR7343973A FR2209594A1 FR 2209594 A1 FR2209594 A1 FR 2209594A1 FR 7343973 A FR7343973 A FR 7343973A FR 7343973 A FR7343973 A FR 7343973A FR 2209594 A1 FR2209594 A1 FR 2209594A1
Authority
FR
France
Prior art keywords
fibres
cylinders
liquor
woodpulp
built
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.)
Withdrawn
Application number
FR7343973A
Other languages
English (en)
French (fr)
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.)
Myrens Verksted AS
Original Assignee
Myrens Verksted AS
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 Myrens Verksted AS filed Critical Myrens Verksted AS
Publication of FR2209594A1 publication Critical patent/FR2209594A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/29—Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
    • B01D33/31—Planetary movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
    • B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
    • B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Filtration Of Liquid (AREA)
FR7343973A 1972-12-08 1973-12-10 Rotary filter for woodpulp fibre recovery - cylindrical screens are built into large rotating drum and fibres blown into screw collector Withdrawn FR2209594A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO4549/72A NO130977C (it) 1972-12-08 1972-12-08

Publications (1)

Publication Number Publication Date
FR2209594A1 true FR2209594A1 (en) 1974-07-05

Family

ID=19880401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343973A Withdrawn FR2209594A1 (en) 1972-12-08 1973-12-10 Rotary filter for woodpulp fibre recovery - cylindrical screens are built into large rotating drum and fibres blown into screw collector

Country Status (4)

Country Link
DE (1) DE2359573A1 (it)
FR (1) FR2209594A1 (it)
IT (1) IT1001449B (it)
NO (1) NO130977C (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665083A1 (fr) * 1990-07-30 1992-01-31 Andritz Patentverwaltung Dispositif pour traiter des suspensions de matieres solides.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665083A1 (fr) * 1990-07-30 1992-01-31 Andritz Patentverwaltung Dispositif pour traiter des suspensions de matieres solides.
ES2044750A2 (es) * 1990-07-30 1994-01-01 Andritz Patentverwaltung Dispositivo para el tratamiento de suspensiones de substancias solidas.

Also Published As

Publication number Publication date
IT1001449B (it) 1976-04-20
NO130977C (it) 1975-03-19
DE2359573A1 (de) 1974-06-12
NO130977B (it) 1974-12-09

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Legal Events

Date Code Title Description
ST Notification of lapse