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SE8201683L - PROCEDURE FOR THICKNESS OF PULSE OR SUSPENSION AND DISC FILTER FOR APPLICATION OF THE PROCEDURE - Google Patents

PROCEDURE FOR THICKNESS OF PULSE OR SUSPENSION AND DISC FILTER FOR APPLICATION OF THE PROCEDURE

Info

Publication number
SE8201683L
SE8201683L SE8201683A SE8201683A SE8201683L SE 8201683 L SE8201683 L SE 8201683L SE 8201683 A SE8201683 A SE 8201683A SE 8201683 A SE8201683 A SE 8201683A SE 8201683 L SE8201683 L SE 8201683L
Authority
SE
Sweden
Prior art keywords
overpressure
procedure
filter
suspension
filter surface
Prior art date
Application number
SE8201683A
Other languages
Swedish (sv)
Other versions
SE426959B (en
Inventor
A Tuomi
Original Assignee
Rauma Repola Oy
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 Rauma Repola Oy filed Critical Rauma Repola Oy
Priority to SE8201683A priority Critical patent/SE8201683L/en
Publication of SE426959B publication Critical patent/SE426959B/en
Publication of SE8201683L publication Critical patent/SE8201683L/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
    • 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
    • B01D33/80—Accessories
    • B01D33/82—Means for pressure distribution
    • 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
    • D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders
    • D21F1/78—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders with pressure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

A method and device for thickening mass or suspension by means of one rotating disk filter immersed in the mass or suspension where overpressure is applied to the outside of the plates' filter surface. Overpressure air is also used during filtration to loosen filtered mass from the plates' filter surface by directing overpressure air to a sector for each plate to be loosened. From there the air penetrates through the filter surface to the filter surface's outside. The disk filter is equipped with a vessel 1, a cover 7 above the vessel and sectors 3 arranged on the axis 5 forming rotating filter disks 4 in the vessel. In order to effect the overpressure outside the disks' 4 filter surface, the longitudinal cavity 14 or 19 inside the axis 5 is connected with the overpressure source 15 and the disk sector 3 which is located at the loosening place of each respective disk. <IMAGE>
SE8201683A 1982-03-17 1982-03-17 PROCEDURE FOR THICKNESS OF PULSE OR SUSPENSION AND DISC FILTER FOR APPLICATION OF THE PROCEDURE SE8201683L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8201683A SE8201683L (en) 1982-03-17 1982-03-17 PROCEDURE FOR THICKNESS OF PULSE OR SUSPENSION AND DISC FILTER FOR APPLICATION OF THE PROCEDURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8201683A SE8201683L (en) 1982-03-17 1982-03-17 PROCEDURE FOR THICKNESS OF PULSE OR SUSPENSION AND DISC FILTER FOR APPLICATION OF THE PROCEDURE

Publications (2)

Publication Number Publication Date
SE426959B SE426959B (en) 1983-02-21
SE8201683L true SE8201683L (en) 1983-02-21

Family

ID=20346288

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8201683A SE8201683L (en) 1982-03-17 1982-03-17 PROCEDURE FOR THICKNESS OF PULSE OR SUSPENSION AND DISC FILTER FOR APPLICATION OF THE PROCEDURE

Country Status (1)

Country Link
SE (1) SE8201683L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463771C (en) * 1985-05-02 1999-07-12 Caustec Ab Apparatus and method for separating white liquor, mesa and possibly sludge using a rotating disk filter

Also Published As

Publication number Publication date
SE426959B (en) 1983-02-21

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