FI89815C - Anordning foer saollning av en vaetskesuspension av fibermaterial - Google Patents
Anordning foer saollning av en vaetskesuspension av fibermaterial Download PDFInfo
- Publication number
- FI89815C FI89815C FI873377A FI873377A FI89815C FI 89815 C FI89815 C FI 89815C FI 873377 A FI873377 A FI 873377A FI 873377 A FI873377 A FI 873377A FI 89815 C FI89815 C FI 89815C
- Authority
- FI
- Finland
- Prior art keywords
- rotor
- screen
- suspension
- annular flow
- outlet tube
- Prior art date
Links
- 239000002657 fibrous material Substances 0.000 title claims description 9
- 239000000725 suspension Substances 0.000 claims description 25
- 238000012216 screening Methods 0.000 claims description 20
- 239000003085 diluting agent Substances 0.000 claims description 13
- 239000006194 liquid suspension Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 description 12
- 239000002023 wood Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/023—Stationary screen-drums
- D21D5/026—Stationary screen-drums with rotating cleaning foils
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Filtration Of Liquid (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/900,714 US4749474A (en) | 1986-08-27 | 1986-08-27 | Screening apparatus |
| US90071486 | 1986-08-27 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI873377A0 FI873377A0 (fi) | 1987-08-04 |
| FI873377L FI873377L (fi) | 1988-02-28 |
| FI89815B FI89815B (fi) | 1993-08-13 |
| FI89815C true FI89815C (fi) | 1993-11-25 |
Family
ID=25412971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI873377A FI89815C (fi) | 1986-08-27 | 1987-08-04 | Anordning foer saollning av en vaetskesuspension av fibermaterial |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4749474A (OSRAM) |
| JP (1) | JPS6359323A (OSRAM) |
| AT (1) | AT396753B (OSRAM) |
| BR (1) | BR8704386A (OSRAM) |
| CA (1) | CA1278777C (OSRAM) |
| FI (1) | FI89815C (OSRAM) |
| GB (1) | GB2194168B (OSRAM) |
| IT (1) | IT1222477B (OSRAM) |
| SE (1) | SE467417B (OSRAM) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975204A (en) * | 1987-07-08 | 1990-12-04 | A. Ahlstrom Corporation | Method and apparatus for thickening fiber suspension |
| US5156750A (en) * | 1987-07-08 | 1992-10-20 | A. Ahlstrom Corporation | Method and apparatus for thickening a fiber suspension and removing fine particles therefrom |
| SE461104B (sv) * | 1988-05-05 | 1990-01-08 | Kamyr Ab | Apparat foer uppdelning av en suspension av en fiberhaltig cellulosamassa |
| SE466269B (sv) * | 1990-05-25 | 1992-01-20 | Sunds Defibrator Ind Ab | Anordning foer silning av massasuspensioner |
| US5096127A (en) * | 1990-08-22 | 1992-03-17 | Ingersoll-Rand Company | Apparatus for pressurized screening of a fibrous material liquid suspension |
| FI90792C (fi) * | 1992-05-19 | 1994-03-25 | Pom Dev Oy Ab | Menetelmä ja laite kuitususpension puhdistamiseksi |
| US5307939A (en) * | 1992-07-13 | 1994-05-03 | Ingersoll-Rand Company | Screening apparatus for papermaking pulp |
| US5323913A (en) * | 1992-12-08 | 1994-06-28 | Bird Escher Wyss Inc. | Pressure screening apparatus with baffle |
| US5624558A (en) * | 1994-08-04 | 1997-04-29 | Cae Screenplates Inc. | Method and apparatus for screening a fiber suspension |
| FI97631C (sv) * | 1994-11-21 | 1997-01-27 | Pom Technology Oy Ab | Anordning och förfarande för att sila en fibersuspension |
| US5607589A (en) * | 1995-06-06 | 1997-03-04 | Cae Screenplates Inc. | Multiple contour screening |
| SE509134C2 (sv) * | 1997-04-14 | 1998-12-07 | Sunds Defibrator Ind Ab | Silanordning med rejektutspädning |
| SE511148C2 (sv) * | 1997-12-19 | 1999-08-09 | Sunds Defibrator Ind Ab | Silanordning för fibersuspension |
| SE511142C2 (sv) * | 1997-12-19 | 1999-08-09 | Sunds Defibrator Ind Ab | Anordning med spädvätsketillförsel för silning av fibersuspensioner |
| DE19911884A1 (de) * | 1999-03-17 | 2000-09-21 | Voith Sulzer Papiertech Patent | Drucksortierer zum Sieben einer Papierfaserstoffsuspension und Siebräumer für einen solchen |
| SE512957C2 (sv) | 1999-03-29 | 2000-06-12 | Valmet Fibertech Ab | Silanordning med ett roterbart och ett stationärt silorgan |
| SE514071C2 (sv) | 1999-04-08 | 2000-12-18 | Valmet Fibertech Ab | Silanordning med axiellt förskjutbar spaltring |
| RU2206413C2 (ru) * | 2000-01-26 | 2003-06-20 | Чульдум Кежик Кан-оолович | Способ разделения минеральных частиц и центробежный грохот для его осуществления |
| GB2383001B (en) * | 2001-12-12 | 2004-01-28 | Shih-Chang Chang | A filtration device with cross-flow function and a filtration method |
| ITVI20040230A1 (it) * | 2004-09-29 | 2004-12-29 | Comer Spa | Epuratore perfezionato per la depurazione di sospensioni fibrose |
| US20070287822A1 (en) * | 2006-06-13 | 2007-12-13 | Eastman Chemical Company | Light absorbing compositions |
| US8011515B2 (en) * | 2009-05-12 | 2011-09-06 | Ovivo Luxembourg S.á.r.l. | Two stage pulp screening device with two stationary cylindrical screens |
| FI126520B (en) * | 2016-03-16 | 2017-01-31 | Red Wire Oy | Method of screening and screening device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245535A (en) * | 1963-05-23 | 1966-04-12 | Cowan Ben | Vertical pressure type pulp screen |
| US3586172A (en) * | 1968-04-16 | 1971-06-22 | Ingersoll Rand Canada | Screening apparatus |
| US3726401A (en) * | 1970-12-16 | 1973-04-10 | Bird Machine Co | Screening machine |
| DE2611886C3 (de) * | 1976-03-20 | 1981-09-03 | Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen | Gerät zum Sortieren und Entstippen von Fasersuspensionen |
| CH621489A5 (OSRAM) * | 1977-06-09 | 1981-02-13 | Lonza Ag | |
| DE2830386C2 (de) * | 1978-07-11 | 1982-09-02 | Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen | Verfahren zum Sortieren von Fasersuspensionen sowie Drucksortierer zur Durchführung des Verfahrens |
| US4222863A (en) * | 1979-01-22 | 1980-09-16 | Ingersoll-Rand Canada Inc. | Screening apparatus and method |
| FI67589C (fi) * | 1983-10-25 | 1985-04-10 | Ahlstroem Oy | Sorterare med separering av laett rejekt |
| DE3341666A1 (de) * | 1983-11-18 | 1985-05-30 | Kurt 5203 Much Sistig | Vorrichtung zum kontinuierlichen filtern feststoffbeladener fluessigkeiten |
| US5363759A (en) * | 1993-10-12 | 1994-11-15 | Ambrosio George A D | Hand-operated can press |
-
1986
- 1986-08-27 US US06/900,714 patent/US4749474A/en not_active Expired - Lifetime
-
1987
- 1987-08-04 FI FI873377A patent/FI89815C/fi not_active IP Right Cessation
- 1987-08-05 CA CA000543745A patent/CA1278777C/en not_active Expired - Lifetime
- 1987-08-06 GB GB8718660A patent/GB2194168B/en not_active Expired
- 1987-08-10 IT IT21628/87A patent/IT1222477B/it active
- 1987-08-11 SE SE8703122A patent/SE467417B/sv not_active IP Right Cessation
- 1987-08-26 BR BR8704386A patent/BR8704386A/pt not_active IP Right Cessation
- 1987-08-27 JP JP62211545A patent/JPS6359323A/ja active Granted
- 1987-08-27 AT AT0216287A patent/AT396753B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI873377L (fi) | 1988-02-28 |
| SE467417B (sv) | 1992-07-13 |
| GB8718660D0 (en) | 1987-09-09 |
| SE8703122D0 (sv) | 1987-08-11 |
| JPS6359323A (ja) | 1988-03-15 |
| US4749474A (en) | 1988-06-07 |
| IT1222477B (it) | 1990-09-05 |
| GB2194168B (en) | 1989-12-13 |
| BR8704386A (pt) | 1988-04-19 |
| SE8703122L (sv) | 1988-02-28 |
| IT8721628A0 (it) | 1987-08-10 |
| CA1278777C (en) | 1991-01-08 |
| ATA216287A (de) | 1993-04-15 |
| FI873377A0 (fi) | 1987-08-04 |
| FI89815B (fi) | 1993-08-13 |
| AT396753B (de) | 1993-11-25 |
| GB2194168A (en) | 1988-03-02 |
| JPH0427885B2 (OSRAM) | 1992-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| PC | Transfer of assignment of patent |
Owner name: BELOIT TECHNOLOGIES, INC. |
|
| MM | Patent lapsed |
Owner name: BELOIT TECHNOLOGIES, INC. |