NO136581B - - Google Patents
Download PDFInfo
- Publication number
- NO136581B NO136581B NO4844/73A NO484473A NO136581B NO 136581 B NO136581 B NO 136581B NO 4844/73 A NO4844/73 A NO 4844/73A NO 484473 A NO484473 A NO 484473A NO 136581 B NO136581 B NO 136581B
- Authority
- NO
- Norway
- Prior art keywords
- hub body
- bleaching
- zone
- fiber material
- bleaching tower
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 claims description 30
- 238000010790 dilution Methods 0.000 claims description 18
- 239000012895 dilution Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 239000002657 fibrous material Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 4
- 210000000056 organ Anatomy 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000003954 umbilical cord Anatomy 0.000 description 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/82—Pan-type mixers, i.e. mixers in which the stirring elements move along the bottom of a pan-shaped receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/321—Disposition of the drive
- B01F35/3213—Disposition of the drive at the lower side of the axis, e.g. driving the stirrer from the bottom of a receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7300147A SE369531B (fr) | 1973-01-05 | 1973-01-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO136581B true NO136581B (fr) | 1977-06-20 |
NO136581C NO136581C (no) | 1977-09-28 |
Family
ID=20316250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO4844/73A NO136581C (no) | 1973-01-05 | 1973-12-18 | Bleket}rn for kontinuerlig gassfaseblekning. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4085002A (fr) |
JP (1) | JPS5720438B2 (fr) |
CA (1) | CA1000540A (fr) |
DE (1) | DE2400308C2 (fr) |
FI (1) | FI61054C (fr) |
FR (1) | FR2213372B1 (fr) |
NO (1) | NO136581C (fr) |
SE (1) | SE369531B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4105494A (en) * | 1973-01-05 | 1978-08-08 | Sunds Aktiebolag | Process of gas-phase bleaching high consistency finely disintegrated pulp |
US4141784A (en) * | 1977-05-02 | 1979-02-27 | Macmillan Bloedel Limited | Method and apparatus for controlling wood chip digester level |
AT387995B (de) * | 1987-06-12 | 1989-04-10 | Andritz Ag Maschf | Austragvorrichtung |
AT394738B (de) * | 1990-09-03 | 1992-06-10 | Andritz Ag Maschf | Verfahren und vorrichtung zum austragen eines mediums aus einem behaelter |
US6096170A (en) * | 1997-04-30 | 2000-08-01 | Kvaerner Pulping Aktiebolag | Pressurized peroxide bleaching vessel having a rotatable scraper arm and cleaning device |
JP2020203256A (ja) * | 2019-06-18 | 2020-12-24 | セイコーエプソン株式会社 | 攪拌装置 |
CN113930992A (zh) * | 2021-10-29 | 2022-01-14 | 泰安天兴木业科技有限公司 | 一种用于非常规生产针叶纤维素的漂白工艺及其设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938824A (en) * | 1957-01-22 | 1960-05-31 | Kamyr Ab | Digestion apparatus and method |
US3434920A (en) * | 1965-10-07 | 1969-03-25 | Frank B K Green | Apparatus for continuous digesting |
US3519532A (en) * | 1967-04-17 | 1970-07-07 | Black Clawson Co | Continuous digester discharger containing automatic temperature and level sensing means and method thereof |
SE318180B (fr) * | 1967-05-16 | 1969-12-01 | Kamyr Ab | |
US3586600A (en) * | 1967-07-27 | 1971-06-22 | Improved Machinery Inc | Continuous digesting apparatus |
US3785577A (en) * | 1972-07-18 | 1974-01-15 | Improved Machinery Inc | Apparatus for the gaseous reaction of material |
-
1973
- 1973-01-05 SE SE7300147A patent/SE369531B/xx unknown
- 1973-12-18 NO NO4844/73A patent/NO136581C/no unknown
- 1973-12-20 US US05/426,437 patent/US4085002A/en not_active Expired - Lifetime
- 1973-12-28 FI FI4027/73A patent/FI61054C/fi active
- 1973-12-29 JP JP744493A patent/JPS5720438B2/ja not_active Expired
-
1974
- 1974-01-04 CA CA189,464A patent/CA1000540A/en not_active Expired
- 1974-01-04 FR FR7400233A patent/FR2213372B1/fr not_active Expired
- 1974-01-04 DE DE2400308A patent/DE2400308C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1000540A (en) | 1976-11-30 |
FR2213372B1 (fr) | 1978-11-10 |
US4085002A (en) | 1978-04-18 |
FR2213372A1 (fr) | 1974-08-02 |
DE2400308A1 (de) | 1974-07-11 |
DE2400308C2 (de) | 1983-07-21 |
FI61054B (fi) | 1982-01-29 |
NO136581C (no) | 1977-09-28 |
SE369531B (fr) | 1974-09-02 |
JPS49100304A (fr) | 1974-09-21 |
FI61054C (fi) | 1982-05-10 |
JPS5720438B2 (fr) | 1982-04-28 |
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