DE2512162C3 - Verfahren und Vorrichtung zum Schnelltrocknen von Cellulosepulpe - Google Patents
Verfahren und Vorrichtung zum Schnelltrocknen von CellulosepulpeInfo
- Publication number
- DE2512162C3 DE2512162C3 DE2512162A DE2512162A DE2512162C3 DE 2512162 C3 DE2512162 C3 DE 2512162C3 DE 2512162 A DE2512162 A DE 2512162A DE 2512162 A DE2512162 A DE 2512162A DE 2512162 C3 DE2512162 C3 DE 2512162C3
- Authority
- DE
- Germany
- Prior art keywords
- drying
- steam
- pressure
- drying unit
- pulp
- 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
- 238000001035 drying Methods 0.000 title claims description 146
- 238000000034 method Methods 0.000 title claims description 34
- 229920002678 cellulose Polymers 0.000 title claims description 11
- 239000001913 cellulose Substances 0.000 title claims description 11
- 239000012159 carrier gas Substances 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000002657 fibrous material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000013021 overheating Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 210000003127 knee Anatomy 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure 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
- D21C9/18—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
- F26B17/101—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 the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B7/00—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Drying Of Solid Materials (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- External Artificial Organs (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7403903A SE393855B (sv) | 1974-03-22 | 1974-03-22 | Forfarande och anordning for torkning av cellulosamassa i los form, s k flingor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2512162A1 DE2512162A1 (de) | 1975-10-09 |
| DE2512162B2 DE2512162B2 (de) | 1977-06-23 |
| DE2512162C3 true DE2512162C3 (de) | 1979-08-23 |
Family
ID=20320612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2512162A Expired DE2512162C3 (de) | 1974-03-22 | 1975-03-20 | Verfahren und Vorrichtung zum Schnelltrocknen von Cellulosepulpe |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5653182B2 (enExample) |
| AT (1) | AT346686B (enExample) |
| BR (1) | BR7501637A (enExample) |
| DE (1) | DE2512162C3 (enExample) |
| FI (1) | FI60072C (enExample) |
| FR (1) | FR2264915A1 (enExample) |
| NO (1) | NO140242C (enExample) |
| SE (1) | SE393855B (enExample) |
| SU (1) | SU934914A3 (enExample) |
| ZA (1) | ZA751597B (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB973874A (en) * | 1961-03-29 | 1964-10-28 | Buna Chem Werke Veb | Process for the drying of solid products mixed with or dissolved in liquid |
| GB1269771A (en) * | 1968-02-16 | 1972-04-06 | Arjun Dev Passey | Method of and apparatus for treating material |
-
1974
- 1974-03-22 SE SE7403903A patent/SE393855B/xx not_active IP Right Cessation
-
1975
- 1975-03-14 ZA ZA00751597A patent/ZA751597B/xx unknown
- 1975-03-18 FI FI750793A patent/FI60072C/fi not_active IP Right Cessation
- 1975-03-19 BR BR1637/75A patent/BR7501637A/pt unknown
- 1975-03-20 DE DE2512162A patent/DE2512162C3/de not_active Expired
- 1975-03-20 JP JP3424775A patent/JPS5653182B2/ja not_active Expired
- 1975-03-21 FR FR7508978A patent/FR2264915A1/fr active Granted
- 1975-03-21 AT AT218975A patent/AT346686B/de not_active IP Right Cessation
- 1975-03-21 NO NO750974A patent/NO140242C/no unknown
- 1975-03-21 SU SU752118261A patent/SU934914A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| FI750793A7 (enExample) | 1975-09-23 |
| JPS50132201A (enExample) | 1975-10-20 |
| FI60072C (fi) | 1981-11-10 |
| FR2264915A1 (en) | 1975-10-17 |
| SE393855B (sv) | 1977-05-23 |
| SU934914A3 (ru) | 1982-06-07 |
| NO140242C (no) | 1979-07-25 |
| DE2512162A1 (de) | 1975-10-09 |
| AT346686B (de) | 1978-11-27 |
| FR2264915B1 (enExample) | 1979-02-23 |
| DE2512162B2 (de) | 1977-06-23 |
| ATA218975A (de) | 1978-03-15 |
| BR7501637A (pt) | 1975-12-23 |
| SE7403903L (enExample) | 1975-09-23 |
| FI60072B (fi) | 1981-07-31 |
| JPS5653182B2 (enExample) | 1981-12-17 |
| ZA751597B (en) | 1976-02-25 |
| NO140242B (no) | 1979-04-17 |
| NO750974L (enExample) | 1975-09-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BGA | New person/name/address of the applicant | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| EI | Miscellaneous see part 3 | ||
| XX | Miscellaneous: |
Free format text: ERFINDER: GLEICH PATENTINHABER IST ZU STREICHEN.NACHZUTRAGEN ERFINDER: HEDSTROEM,BEUGT,OLOF,ARVID,GOETEBORG(SCHWEDEN) |