CA956246A - Pressure straining device for pulp - Google Patents
Pressure straining device for pulpInfo
- 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
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)
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)
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)
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 |
-
1972
- 1972-02-03 FI FI720295A patent/FI46642C/en active
- 1972-06-19 SE SE08040/72A patent/SE366785B/xx unknown
- 1972-06-21 DE DE2230201A patent/DE2230201A1/en active Pending
- 1972-06-26 GB GB2980472A patent/GB1378547A/en not_active Expired
- 1972-06-28 JP JP6484472A patent/JPS5434950B2/ja not_active Expired
- 1972-06-28 CA CA145,929A patent/CA956246A/en not_active Expired
- 1972-06-29 US US00267495A patent/US3759392A/en not_active Expired - Lifetime
- 1972-06-30 FR FR7223846A patent/FR2171044B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI46642C (en) | 1973-05-08 |
FI46642B (en) | 1973-01-31 |
FR2171044A1 (en) | 1973-09-21 |
SE366785B (en) | 1974-05-06 |
US3759392A (en) | 1973-09-18 |
JPS5434950B2 (en) | 1979-10-30 |
GB1378547A (en) | 1974-12-27 |
FR2171044B3 (en) | 1975-08-29 |
DE2230201A1 (en) | 1973-08-16 |
JPS4888548A (en) | 1973-11-20 |
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