FI89768B - Filteringstrumma - Google Patents

Filteringstrumma Download PDF

Info

Publication number
FI89768B
FI89768B FI893288A FI893288A FI89768B FI 89768 B FI89768 B FI 89768B FI 893288 A FI893288 A FI 893288A FI 893288 A FI893288 A FI 893288A FI 89768 B FI89768 B FI 89768B
Authority
FI
Finland
Prior art keywords
drum
filtrate
filter
compartment
compartments
Prior art date
Application number
FI893288A
Other languages
English (en)
Finnish (fi)
Other versions
FI89768C (sv
FI893288A0 (fi
FI893288A (fi
Inventor
Jukka Heino
Raimo Kohonen
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of FI893288A0 publication Critical patent/FI893288A0/fi
Priority to FI893288A priority Critical patent/FI89768C/sv
Priority to US07/663,876 priority patent/US5160434A/en
Priority to AT90909148T priority patent/ATE98891T1/de
Priority to JP2508628A priority patent/JPH076151B2/ja
Priority to SU905011081A priority patent/RU2054957C1/ru
Priority to PCT/FI1990/000168 priority patent/WO1991000767A1/en
Priority to CA002062958A priority patent/CA2062958C/en
Priority to EP90909148A priority patent/EP0484342B1/en
Publication of FI893288A publication Critical patent/FI893288A/fi
Publication of FI89768B publication Critical patent/FI89768B/fi
Application granted granted Critical
Publication of FI89768C publication Critical patent/FI89768C/sv

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
    • B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Filtration Of Liquid (AREA)

Claims (3)

1. Filtertrumma som bestär av en med en virayta försedd väsentligen cylinderformig del som är avsedd att rotera 5 huvudsakligen i ett träg, av bredvid varandra väsentligen i axialriktningen anordnade filtratfack som utgör nämnda delens mantel, av filtratrör som sträcker sig frän fackens bottnar väsentligen radiellt mot trummans axel och av utrustning för avlägsnande av filtratet frän filtratrören, 10 kännetecknad därav, att filtratfacken (20) bildas av en bottendel (28, 30) och av en ända tili viraytan sig sträckande sidoyta (32), vid vars i förhällande tili det bottenplan, som stödes mot viraytan, motstäende kant en mot facket inätriktad böjning (34) är anordnad för att 15 hindra filtratet att strömma ut frän facket (20) tillbaka genom viraytan, dä facket (20) lutas.
2. Filtertrumma enligt patentkravet 1, kännetecknad därav, att filtratfackets (20) bottendel bestär av tvä pian, av 20 vilka det ena (28), anslutet till sidoytan (32), är väsentligen parallellt med trummans periferi och det andra (30) sträcker sig i motsatt riktning frän bottendelen (28) och höjer sig svagt mot trummans yta.
3. Filtertrumma enligt patentkravet 1, kännetecknad därav, att avständet mellan filtratfackets (20) bottendel och trummans axel (14) minskas mot filtratrören (24).
FI893288A 1989-07-06 1989-07-06 Filteringstrumma FI89768C (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI893288A FI89768C (sv) 1989-07-06 1989-07-06 Filteringstrumma
SU905011081A RU2054957C1 (ru) 1989-07-06 1990-06-26 Фильтрующий барабан
AT90909148T ATE98891T1 (de) 1989-07-06 1990-06-26 Filterzylinder.
JP2508628A JPH076151B2 (ja) 1989-07-06 1990-06-26 濾過シリンダ
US07/663,876 US5160434A (en) 1989-07-06 1990-06-26 Filter cylinder with drainage surface
PCT/FI1990/000168 WO1991000767A1 (en) 1989-07-06 1990-06-26 Filter cylinder
CA002062958A CA2062958C (en) 1989-07-06 1990-06-26 Filter cylinder
EP90909148A EP0484342B1 (en) 1989-07-06 1990-06-26 Filter cylinder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI893288 1989-07-06
FI893288A FI89768C (sv) 1989-07-06 1989-07-06 Filteringstrumma

Publications (4)

Publication Number Publication Date
FI893288A0 FI893288A0 (fi) 1989-07-06
FI893288A FI893288A (fi) 1991-01-07
FI89768B true FI89768B (fi) 1993-08-13
FI89768C FI89768C (sv) 1993-11-25

Family

ID=8528731

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893288A FI89768C (sv) 1989-07-06 1989-07-06 Filteringstrumma

Country Status (7)

Country Link
US (1) US5160434A (sv)
EP (1) EP0484342B1 (sv)
JP (1) JPH076151B2 (sv)
CA (1) CA2062958C (sv)
FI (1) FI89768C (sv)
RU (1) RU2054957C1 (sv)
WO (1) WO1991000767A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT3578241T (pt) 2018-06-05 2021-10-26 ANDRITZ Separation GmbH Tambor de filtragem para um dispositivo de filtragem por vacuo e/ou pressão
ES2894974T3 (es) * 2018-06-05 2022-02-16 ANDRITZ Separation GmbH Dispositivo de filtración a vacío y/o a presión para filtrar una suspensión
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072586A (en) * 1934-09-24 1937-03-02 Swenson Evaporator Company Rotary filter
US2889931A (en) * 1954-12-27 1959-06-09 Phillips Petroleum Co Continuous rotary filter
US3014589A (en) * 1957-05-25 1961-12-26 Sunds Verkst Er Aktiebolag Apparatus for dewatering suspensions, such as fibrous pulp suspensions
US3363774A (en) * 1965-04-12 1968-01-16 Improved Machinery Inc Rotary drum filter
GB1315549A (en) * 1970-06-09 1973-05-02 Ural Z Khim Mash Continuous rotary drum vacuum filter
US4168234A (en) * 1977-10-27 1979-09-18 Johns-Manville Corporation Rotary pressure precoat filter with internal valving arrangement
DE3010682A1 (de) * 1980-03-20 1981-10-01 Klöckner-Humboldt-Deutz AG, 5000 Köln Vakuum-doppeltrommelfilter
US4370231A (en) * 1981-09-04 1983-01-25 Lavalley Industrial Plastics, Inc. Rotary drum filter
SE429819B (sv) * 1982-02-10 1983-10-03 Harry Nilsson Silmaskin
CH653912A5 (de) * 1982-02-16 1986-01-31 Von Roll Ag Bandfilterpresse zum filtrieren einer truebe.
US4581139A (en) * 1983-10-06 1986-04-08 Dorr-Oliver Incorporated Filtrate run-back baffle for rotary drum vacuum filter
US4816169A (en) * 1987-04-10 1989-03-28 Lavalley Industries, Inc. Vacuum filter system and vacuum filter discharge flow assembly
SE460641B (sv) * 1987-06-24 1989-11-06 Bjarne Nilsson Filtersektion foer ett roterbart filter

Also Published As

Publication number Publication date
EP0484342A1 (en) 1992-05-13
EP0484342B1 (en) 1993-12-22
CA2062958A1 (en) 1991-01-07
JPH076151B2 (ja) 1995-01-30
WO1991000767A1 (en) 1991-01-24
FI89768C (sv) 1993-11-25
JPH04506546A (ja) 1992-11-12
RU2054957C1 (ru) 1996-02-27
FI893288A0 (fi) 1989-07-06
US5160434A (en) 1992-11-03
CA2062958C (en) 1994-12-13
FI893288A (fi) 1991-01-07

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: A. AHLSTROM CORPORATION