FI67239C - Process foer beredning av torr vedmassa - Google Patents
Process foer beredning av torr vedmassa Download PDFInfo
- Publication number
- FI67239C FI67239C FI763599A FI763599A FI67239C FI 67239 C FI67239 C FI 67239C FI 763599 A FI763599 A FI 763599A FI 763599 A FI763599 A FI 763599A FI 67239 C FI67239 C FI 67239C
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- wood
- fibers
- dry
- dryer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 30
- 239000000835 fiber Substances 0.000 claims description 55
- 239000002023 wood Substances 0.000 claims description 28
- 229920002522 Wood fibre Polymers 0.000 claims description 27
- 239000002025 wood fiber Substances 0.000 claims description 27
- 229920001131 Pulp (paper) Polymers 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 230000000930 thermomechanical effect Effects 0.000 description 16
- 239000000123 paper Substances 0.000 description 13
- 239000011230 binding agent Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011087 paperboard Substances 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001327708 Coriaria sarmentosa Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- CCAZWUJBLXKBAY-ULZPOIKGSA-N Tutin Chemical compound C([C@]12[C@@H]3O[C@@H]3[C@@]3(O)[C@H]4C(=O)O[C@@H]([C@H]([C@]32C)O)[C@H]4C(=C)C)O1 CCAZWUJBLXKBAY-ULZPOIKGSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 238000004804 winding Methods 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
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
-
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
- D21C9/185—De-watering; Elimination of cooking or pulp-treating liquors from the pulp comprising at least one step where the pulp is suspended in a gaseous medium, e.g. flash drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
- Nonwoven Fabrics (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51255/75A GB1564202A (en) | 1975-12-15 | 1975-12-15 | Pulp |
| GB5125575 | 1975-12-15 | ||
| GB4287876 | 1976-10-15 | ||
| GB4287876A GB1569264A (en) | 1976-10-15 | 1976-10-15 | Circuit for the visual monitoring of voltage |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI763599A7 FI763599A7 (OSRAM) | 1977-06-16 |
| FI67239B FI67239B (fi) | 1984-10-31 |
| FI67239C true FI67239C (fi) | 1985-02-11 |
Family
ID=26264995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI763599A FI67239C (fi) | 1975-12-15 | 1976-12-15 | Process foer beredning av torr vedmassa |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1052156A (OSRAM) |
| FI (1) | FI67239C (OSRAM) |
| NO (1) | NO145921C (OSRAM) |
| SE (1) | SE434654B (OSRAM) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE422341B (sv) | 1978-12-01 | 1982-03-01 | Sunds Defibrator | Anordning for raffinering av lignocellulosahaltigt material |
| US5589256A (en) | 1992-08-17 | 1996-12-31 | Weyerhaeuser Company | Particle binders that enhance fiber densification |
| US5308896A (en) | 1992-08-17 | 1994-05-03 | Weyerhaeuser Company | Particle binders for high bulk fibers |
| US6391453B1 (en) | 1992-08-17 | 2002-05-21 | Weyernaeuser Company | Binder treated particles |
| NZ255815A (en) | 1992-08-17 | 1996-03-26 | Weyerhaeuser Co | Particle binders for high bulk fibres for absorbent articles |
| US7144474B1 (en) | 1992-08-17 | 2006-12-05 | Weyerhaeuser Co. | Method of binding particles to binder treated fibers |
| US5538783A (en) | 1992-08-17 | 1996-07-23 | Hansen; Michael R. | Non-polymeric organic binders for binding particles to fibers |
| US5547541A (en) | 1992-08-17 | 1996-08-20 | Weyerhaeuser Company | Method for densifying fibers using a densifying agent |
| US5807364A (en) | 1992-08-17 | 1998-09-15 | Weyerhaeuser Company | Binder treated fibrous webs and products |
| US5543215A (en) | 1992-08-17 | 1996-08-06 | Weyerhaeuser Company | Polymeric binders for binding particles to fibers |
| US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
| US5641561A (en) * | 1992-08-17 | 1997-06-24 | Weyerhaeuser Company | Particle binding to fibers |
| US5300192A (en) | 1992-08-17 | 1994-04-05 | Weyerhaeuser Company | Wet laid fiber sheet manufacturing with reactivatable binders for binding particles to fibers |
| US5998032A (en) | 1992-08-17 | 1999-12-07 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
| US5352480A (en) | 1992-08-17 | 1994-10-04 | Weyerhaeuser Company | Method for binding particles to fibers using reactivatable binders |
-
1976
- 1976-12-13 CA CA267,688A patent/CA1052156A/en not_active Expired
- 1976-12-13 SE SE7613973A patent/SE434654B/xx unknown
- 1976-12-14 NO NO764238A patent/NO145921C/no unknown
- 1976-12-15 FI FI763599A patent/FI67239C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO764238L (OSRAM) | 1977-06-16 |
| NO145921C (no) | 1982-06-23 |
| FI67239B (fi) | 1984-10-31 |
| SE434654B (sv) | 1984-08-06 |
| FI763599A7 (OSRAM) | 1977-06-16 |
| CA1052156A (en) | 1979-04-10 |
| SE7613973L (sv) | 1977-06-16 |
| NO145921B (no) | 1982-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: COURTAULDS LTD. |