ATA990A - METHOD AND DEVICE FOR FILTERING SUSPENSIONS - Google Patents

METHOD AND DEVICE FOR FILTERING SUSPENSIONS

Info

Publication number
ATA990A
ATA990A AT0000990A AT990A ATA990A AT A990 A ATA990 A AT A990A AT 0000990 A AT0000990 A AT 0000990A AT 990 A AT990 A AT 990A AT A990 A ATA990 A AT A990A
Authority
AT
Austria
Prior art keywords
filtering suspensions
suspensions
filtering
Prior art date
Application number
AT0000990A
Other languages
German (de)
Other versions
AT395182B (en
Inventor
Pertti Haapamaeki
Lassi Suoninen
Aaro Ahlgren
Juho Eriksson
Original Assignee
Sunds Defibrator Rauma 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 Sunds Defibrator Rauma Oy filed Critical Sunds Defibrator Rauma Oy
Publication of ATA990A publication Critical patent/ATA990A/en
Application granted granted Critical
Publication of AT395182B publication Critical patent/AT395182B/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
    • B01D33/06—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
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • B01D33/705—Filters with filtering elements which move during the filtering operation having feed or discharge devices with internal recirculation through the filter
    • 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)
AT0000990A 1988-10-13 1990-01-02 METHOD AND DEVICE FOR FILTERING SUSPENSIONS AT395182B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI884730A FI81019C (en) 1988-10-13 1988-10-13 FOERFARANDE OCH ANORDNING FOER FILTRERING AV SUSPENSION.

Publications (2)

Publication Number Publication Date
ATA990A true ATA990A (en) 1992-02-15
AT395182B AT395182B (en) 1992-10-12

Family

ID=8527202

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0000990A AT395182B (en) 1988-10-13 1990-01-02 METHOD AND DEVICE FOR FILTERING SUSPENSIONS

Country Status (8)

Country Link
US (1) US5051195A (en)
JP (1) JP2844478B2 (en)
AT (1) AT395182B (en)
AU (1) AU620956B2 (en)
CA (1) CA1319621C (en)
DE (1) DE3942724C2 (en)
FI (1) FI81019C (en)
SE (1) SE500957C2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104011A (en) * 1990-08-03 1992-04-14 Ingersoll-Rand Company Self-cleaning feed apparatus
US5332499A (en) * 1992-10-28 1994-07-26 Spencer Glenn E Self-cleaning filter
US5443726A (en) * 1993-10-13 1995-08-22 Tm Industrial Supply, Inc. Self-cleaning filter assembly
DE4400485C1 (en) * 1994-01-11 1995-04-20 Mann & Hummel Filter Backwashable liquid filter
US5722264A (en) * 1995-08-07 1998-03-03 Beloit Technologies, Inc. Single roll displacement wash press
FI960438A (en) * 1995-09-11 1997-03-12 Ahlstrom Machinery Oy Apparatus and method for cleaning a pulp scrubber from stickies
FR2817486B1 (en) * 2000-12-04 2003-09-05 Poitevine De Filtration Soc INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS
FI121792B (en) * 2003-06-30 2011-04-15 Andritz Oy Method of treating pulp in connection with bleaching of chemical pulp
DE102009011981A1 (en) * 2009-03-05 2010-09-09 Voith Patent Gmbh Purifying recycled water occurring during paper/cardboard production, comprises guiding the recycled water to an inlet side of a flat, conical and/or cylindrical sieve, in which the undesirable materials are retained, by a feeding device
DE102012213769A1 (en) * 2012-08-03 2014-02-06 Voith Patent Gmbh disc filter
US20220355225A1 (en) * 2021-05-10 2022-11-10 Lyco Manufacturing Inc. Externally Fed Screen for Filtration

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US917305A (en) * 1907-09-25 1909-04-06 Carl Arvid Johnson Rotating pulp-strainer.
CH146567A (en) * 1930-02-27 1931-04-30 Busch Thorne Carl Device for the recovery of solid particles from waste water.
DE674193C (en) * 1936-02-18 1939-04-06 Johannes Wiebe Device for cleaning the filter cloth on rotary filters
US2294179A (en) * 1938-10-18 1942-08-25 Hawley Engineering Corp Method for screening burdened fluids
FI26379A (en) * 1950-07-05 1953-06-10 Oulu Oy Apparatus for thickening cellulose or other similar pulp
US2765085A (en) * 1954-02-24 1956-10-02 Black Clawson Co Rotary suction drum filter
DE1117082B (en) * 1957-12-20 1961-11-16 Paul Gustav Henrik Ohlstroem D Cellless suction drum filter
CA1022857A (en) * 1972-06-22 1977-12-20 Hydrocyclonics Corporation Rotary screen filter with continuous cleaning
US4001119A (en) * 1974-02-04 1977-01-04 Hunter A Bruce Thickening apparatus
US4139412A (en) * 1976-05-13 1979-02-13 Diamond International Corporation Multi-ply continuous paper web former
US4115271A (en) * 1976-09-29 1978-09-19 The Carborundum Company Rotary drum screen
FR2475091A1 (en) * 1980-02-05 1981-08-07 Beaudrey Et Cie Sa E WATER PLUG WITH SAFEGUARD DEVICE FOR LIVING ELEMENTS
AT373309B (en) * 1980-03-18 1984-01-10 Escher Wyss Gmbh PAPER MACHINE
FI65457C (en) * 1982-11-08 1984-05-10 Rauma Repola Oy SAFETY REQUIREMENTS FOR PULLING PROBLEMS AND FILTER VESSELS
DE3423701A1 (en) * 1983-09-12 1985-03-28 Rauma-Repola Oy, Pori METHOD AND DEVICE FOR WASHING A PULP MASS
FI872331A (en) * 1986-05-27 1987-11-28 Anglo Amer Corp South Africa ANORDNING OCH FOERFARANDE FOER SEPARERING AV EN FAST KOMPONENT FRAON EN ANNAN FAST KOMPONENT I SUSPENSION I EN VAETSKA.
US4894121A (en) * 1986-08-07 1990-01-16 Ingersoll-Rand Company Pressure pulp washer
DE3706273A1 (en) * 1987-02-26 1987-10-08 Agie Ag Ind Elektronik Filter apparatus
SE8702740D0 (en) * 1987-07-03 1987-07-03 Sune Persson CLEANING OF WHEELS

Also Published As

Publication number Publication date
FI81019C (en) 1992-03-24
SE500957C2 (en) 1994-10-10
SE8903111L (en) 1990-04-14
AT395182B (en) 1992-10-12
DE3942724C2 (en) 1998-11-12
CA1319621C (en) 1993-06-29
FI884730A0 (en) 1988-10-13
US5051195A (en) 1991-09-24
FI884730A (en) 1990-04-14
JP2844478B2 (en) 1999-01-06
DE3942724A1 (en) 1991-06-27
AU4705489A (en) 1991-06-27
JPH02154088A (en) 1990-06-13
AU620956B2 (en) 1992-02-27
FI81019B (en) 1990-05-31
SE8903111D0 (en) 1989-09-21

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee