CA952044A - Screening device in cellulose digesters - Google Patents
Screening device in cellulose digestersInfo
- Publication number
- CA952044A CA952044A CA105,090A CA105090A CA952044A CA 952044 A CA952044 A CA 952044A CA 105090 A CA105090 A CA 105090A CA 952044 A CA952044 A CA 952044A
- Authority
- CA
- Canada
- Prior art keywords
- screening device
- digesters
- cellulose
- cellulose digesters
- screening
- 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
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000012216 screening Methods 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
-
- 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
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/46—Several filtrate discharge conduits each connected to one filter element or group of filter elements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE01734/70A SE357219B (ja) | 1970-02-11 | 1970-02-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA952044A true CA952044A (en) | 1974-07-30 |
Family
ID=20258737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA105,090A Expired CA952044A (en) | 1970-02-11 | 1971-02-11 | Screening device in cellulose digesters |
Country Status (10)
Country | Link |
---|---|
US (1) | US3711367A (ja) |
JP (1) | JPS512961B1 (ja) |
BR (1) | BR7100948D0 (ja) |
CA (1) | CA952044A (ja) |
DE (1) | DE2106316C3 (ja) |
FI (1) | FI54158C (ja) |
FR (1) | FR2078490A5 (ja) |
NO (1) | NO130195B (ja) |
SE (1) | SE357219B (ja) |
ZA (1) | ZA71822B (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061193A (en) * | 1975-09-15 | 1977-12-06 | Kamyr, Inc. | Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top |
SU591539A1 (ru) * | 1975-10-03 | 1978-02-05 | Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности | Установка дл обработки лигноцеллюлозного материала |
US4547264A (en) * | 1979-02-12 | 1985-10-15 | Kamyr, Inc. | Method of withdrawing liquid from a pair of vertically spaced annular screens |
JPS57151510U (ja) * | 1981-03-18 | 1982-09-22 | ||
US4637878A (en) * | 1982-03-09 | 1987-01-20 | Kamyr Aktiebolag | Reciprocal movable screens in a vertically elongated vessel |
SE451605B (sv) * | 1983-06-27 | 1987-10-19 | Mo Och Domsjoe Ab | Forfarande och anordning for forbehandling av lignocellulosamaterial |
US4568419A (en) * | 1984-02-27 | 1986-02-04 | Laakso Oliver A | Method of treating comminuted cellulosic fibrous material in a vertical vessel |
FI841903A (fi) * | 1984-05-11 | 1985-11-12 | Rauma-Repola Oy | Foerfarande foer separering av gaser och extraktaemnen av kokvaetska av cellulosa. |
JPS6251219U (ja) * | 1985-09-20 | 1987-03-30 | ||
US5236554A (en) * | 1991-08-16 | 1993-08-17 | Kamyr, Inc. | Digester having plural screens with means for controlling liquid injection and withdrawal |
US5536367A (en) * | 1995-01-25 | 1996-07-16 | Salminen; Reijo K. | Pulp digester cleaning system |
US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
US6123808A (en) * | 1997-12-09 | 2000-09-26 | Ahlstrom Machinery Inc. | Distribution of dilution liquor to the discharge of a cellulose pulp digester |
US6120647A (en) * | 1998-01-26 | 2000-09-19 | Ahlstrom Machinery Inc. | Simplified liquid removal system for a cellulose pulp digester |
US6165323A (en) * | 1999-02-10 | 2000-12-26 | Andritz-Ahlstrom Inc. | Screen plate having a plurality of inclined slots in a digester |
FR2909895B1 (fr) * | 2006-12-14 | 2009-04-03 | Nexter Munitions Sa | Dispositif de filtration pour effluents. |
SE541978C2 (en) | 2018-03-13 | 2020-01-14 | Valmet Oy | Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system |
UY39227A (es) * | 2020-05-22 | 2021-12-31 | Suzano Sa | Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft |
-
1970
- 1970-02-11 SE SE01734/70A patent/SE357219B/xx unknown
-
1971
- 1971-02-09 US US00113962A patent/US3711367A/en not_active Expired - Lifetime
- 1971-02-09 NO NO00478/71A patent/NO130195B/no unknown
- 1971-02-09 ZA ZA710822A patent/ZA71822B/xx unknown
- 1971-02-10 FI FI380/71A patent/FI54158C/fi active
- 1971-02-10 DE DE2106316A patent/DE2106316C3/de not_active Expired
- 1971-02-11 FR FR7104642A patent/FR2078490A5/fr not_active Expired
- 1971-02-11 CA CA105,090A patent/CA952044A/en not_active Expired
- 1971-02-11 BR BR948/71A patent/BR7100948D0/pt unknown
- 1971-02-12 JP JP46005686A patent/JPS512961B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO130195B (ja) | 1974-07-22 |
BR7100948D0 (pt) | 1973-05-03 |
DE2106316A1 (de) | 1971-08-19 |
ZA71822B (en) | 1972-02-23 |
US3711367A (en) | 1973-01-16 |
FR2078490A5 (ja) | 1971-11-05 |
FI54158B (fi) | 1978-06-30 |
DE2106316C3 (de) | 1974-07-04 |
DE2106316B2 (de) | 1973-11-29 |
JPS512961B1 (ja) | 1976-01-30 |
FI54158C (fi) | 1978-10-10 |
SE357219B (ja) | 1973-06-18 |
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