CA956246A - Pressure straining device for pulp - Google Patents

Pressure straining device for pulp

Info

Publication number
CA956246A
CA956246A CA145,929A CA145929A CA956246A CA 956246 A CA956246 A CA 956246A CA 145929 A CA145929 A CA 145929A CA 956246 A CA956246 A CA 956246A
Authority
CA
Canada
Prior art keywords
pulp
straining device
pressure straining
pressure
straining
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.)
Expired
Application number
CA145,929A
Other versions
CA145929S (en
Inventor
Ahti Syrjanen
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.)
Yhtyneet Paperitehtaat Oy
Original Assignee
Yhtyneet Paperitehtaat 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 Yhtyneet Paperitehtaat Oy filed Critical Yhtyneet Paperitehtaat Oy
Application granted granted Critical
Publication of CA956246A publication Critical patent/CA956246A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • B07B1/52—Cleaning with brushes or scrapers
    • B07B1/526—Cleaning with brushes or scrapers with scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31—Self-supporting filtering elements
    • B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
    • B01D29/336—Self-supporting filtering elements arranged for inward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/081—Regeneration of the filter using nozzles or suction devices
    • B01D2201/082—Suction devices placed on the cake side of the filtering element

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Filtration Of Liquid (AREA)
CA145,929A 1972-02-03 1972-06-28 Pressure straining device for pulp Expired CA956246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI720295A FI46642C (en) 1972-02-03 1972-02-03 Pressure strainer.

Publications (1)

Publication Number Publication Date
CA956246A true CA956246A (en) 1974-10-15

Family

ID=8503902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,929A Expired CA956246A (en) 1972-02-03 1972-06-28 Pressure straining device for pulp

Country Status (8)

Country Link
US (1) US3759392A (en)
JP (1) JPS5434950B2 (en)
CA (1) CA956246A (en)
DE (1) DE2230201A1 (en)
FI (1) FI46642C (en)
FR (1) FR2171044B3 (en)
GB (1) GB1378547A (en)
SE (1) SE366785B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI51221C (en) * 1972-06-21 1976-11-10 Yhtyneet Paperitehtaat Oy Pressure sieve device.
US3970548A (en) * 1973-08-27 1976-07-20 The Black Clawson Company Apparatus for screening paper fiber stock
US3884805A (en) * 1974-05-13 1975-05-20 Artisan Ind Apparatus and process for continuous concentration of solids from a solids-containing fluid
US3884813A (en) * 1974-05-13 1975-05-20 Artisan Ind Solids concentrator with a rotor having ploughs thereon
DE3717323C1 (en) * 1987-05-22 1988-06-23 Mtu Friedrichshafen Gmbh Filter device
FI77280C (en) * 1987-10-13 1989-02-10 Ahlstroem Oy Method and apparatus for treating fiber suspension.
US4919797A (en) * 1989-02-09 1990-04-24 The Black Clawson Company Screening apparatus for paper making stock
FI80736B (en) * 1989-02-16 1990-03-30 Tampella Oy Ab FOERFARANDE FOER SORTERING AV MASSASUSPENSION OCH SORTERINGSAPPARAT.
DE3911234A1 (en) * 1989-04-07 1990-10-11 Voith Gmbh J M Screen
US5172813A (en) * 1989-05-17 1992-12-22 A. Ahlstrom Corporation Method and an apparatus for treating fiber suspension
US5385240A (en) * 1993-04-30 1995-01-31 The Black Clawson Company Screening apparatus with adjustable hydrofoil portion
US5341936A (en) * 1993-07-12 1994-08-30 Ingersoll-Rand Company Screening device for a fiber slurry, and a backwash means therefor
JPH0880405A (en) * 1994-09-14 1996-03-26 Shinko Kk Filter
DE19830412C1 (en) * 1998-07-08 2000-02-03 Edwin Ell Backwashable filter for liquids
US8647516B2 (en) * 2010-09-03 2014-02-11 Johnny Leon LOVE Filtration method with self-cleaning filter assembly
DE102017002646A1 (en) * 2017-03-18 2018-09-20 Hydac Process Technology Gmbh filter means
DK201870747A1 (en) * 2018-11-14 2020-06-23 Bollfilter Nordic Aps Filter candle and method for operating such filter candle
CN111254733B (en) * 2020-02-28 2021-09-24 云南弘源纸业有限公司 Pressure pulp screen for papermaking
KR102183820B1 (en) * 2020-03-10 2020-11-30 주식회사 그레넥스 Back wash device for fabric filtration apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250726B (en) * 1963-05-17 1967-09-21 Canadian Ingersoll-Rand Company Limited, Montreal, Quebec (Kana da), Bird Machine Company, South Walpole, Mass (V St A) Cleaning device for drum screens
FR1546515A (en) * 1967-06-14 1968-11-22 Lamort E & M Apparatus for cleaning liquids containing suspended solids such as paper pulp

Also Published As

Publication number Publication date
FI46642C (en) 1973-05-08
JPS5434950B2 (en) 1979-10-30
FR2171044B3 (en) 1975-08-29
FR2171044A1 (en) 1973-09-21
US3759392A (en) 1973-09-18
JPS4888548A (en) 1973-11-20
GB1378547A (en) 1974-12-27
SE366785B (en) 1974-05-06
DE2230201A1 (en) 1973-08-16
FI46642B (en) 1973-01-31

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