SE8702468L - DEVICE ON ROTATING FILTERS - Google Patents

DEVICE ON ROTATING FILTERS

Info

Publication number
SE8702468L
SE8702468L SE8702468A SE8702468A SE8702468L SE 8702468 L SE8702468 L SE 8702468L SE 8702468 A SE8702468 A SE 8702468A SE 8702468 A SE8702468 A SE 8702468A SE 8702468 L SE8702468 L SE 8702468L
Authority
SE
Sweden
Prior art keywords
filter
suspension
disk
collection trough
container
Prior art date
Application number
SE8702468A
Other languages
Swedish (sv)
Other versions
SE458174B (en
SE8702468D0 (en
Inventor
Bjarne Nilsson
Original Assignee
Bjarne Nilsson
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 Bjarne Nilsson filed Critical Bjarne Nilsson
Priority to SE8702468A priority Critical patent/SE458174B/en
Publication of SE8702468D0 publication Critical patent/SE8702468D0/en
Priority to PCT/SE1988/000707 priority patent/WO1990007368A1/en
Publication of SE8702468L publication Critical patent/SE8702468L/en
Publication of SE458174B publication Critical patent/SE458174B/en

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
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • B01D33/215—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft the filtering discs being fixed inwardly on a rotating construction
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
    • 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)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A device for preventing re-wetting of thickened suspension in a filter of the type where a plurality of rotatable, axially spaced annular filter disks (3) are partially submerged in a container (1) for suspension, and where a collection trough (4) extends centrally through the filter disks (3) for collecting thickened suspension falling therefrom. Each filter disk comprises a plurality of filter sections (5) and each filter section is connected to a filtrate duct (7) situated at the circumference of the disk. At each filter disk (3) is arranged an arcuated channel (14) extending outside of the edges of the collection trough (4) such that filtrate flowing from a filter disk (3) is guided past the collection trough (4) and down into the suspension container (1).
SE8702468A 1987-06-12 1987-06-12 DEVICE FOR PREVENTION OF WATERWATING IN ROTATING DISC FILTERS SE458174B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8702468A SE458174B (en) 1987-06-12 1987-06-12 DEVICE FOR PREVENTION OF WATERWATING IN ROTATING DISC FILTERS
PCT/SE1988/000707 WO1990007368A1 (en) 1987-06-12 1988-12-27 A device at rotating filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8702468A SE458174B (en) 1987-06-12 1987-06-12 DEVICE FOR PREVENTION OF WATERWATING IN ROTATING DISC FILTERS

Publications (3)

Publication Number Publication Date
SE8702468D0 SE8702468D0 (en) 1987-06-12
SE8702468L true SE8702468L (en) 1988-12-27
SE458174B SE458174B (en) 1989-03-06

Family

ID=20368850

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8702468A SE458174B (en) 1987-06-12 1987-06-12 DEVICE FOR PREVENTION OF WATERWATING IN ROTATING DISC FILTERS

Country Status (2)

Country Link
SE (1) SE458174B (en)
WO (1) WO1990007368A1 (en)

Also Published As

Publication number Publication date
WO1990007368A1 (en) 1990-07-12
SE458174B (en) 1989-03-06
SE8702468D0 (en) 1987-06-12

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