SE518536C2 - Förfarande och apparatur för att kontrollera processtemperaturen vid tillverkning av en fiberbana - Google Patents
Förfarande och apparatur för att kontrollera processtemperaturen vid tillverkning av en fiberbanaInfo
- Publication number
- SE518536C2 SE518536C2 SE9904270A SE9904270A SE518536C2 SE 518536 C2 SE518536 C2 SE 518536C2 SE 9904270 A SE9904270 A SE 9904270A SE 9904270 A SE9904270 A SE 9904270A SE 518536 C2 SE518536 C2 SE 518536C2
- Authority
- SE
- Sweden
- Prior art keywords
- production
- steam
- plant
- backwater
- pulp
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims description 69
- 239000000835 fiber Substances 0.000 title claims 3
- 239000013505 freshwater Substances 0.000 claims abstract description 23
- 238000001704 evaporation Methods 0.000 claims description 43
- 230000008020 evaporation Effects 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229920001131 Pulp (paper) Polymers 0.000 claims description 24
- 239000000126 substance Substances 0.000 claims description 19
- 239000000284 extract Substances 0.000 claims description 18
- 239000012141 concentrate Substances 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 4
- 241000238557 Decapoda Species 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 3
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 239000000047 product Substances 0.000 claims 2
- 239000008346 aqueous phase Substances 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 2
- 239000002023 wood Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 241001494479 Pecora Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI982557A FI111465B (fi) | 1998-11-26 | 1998-11-26 | Menetelmä ja laitteisto kuiturainan tuotantoprosessin lämpötilan hallitsemiseksi |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9904270D0 SE9904270D0 (sv) | 1999-11-25 |
| SE9904270L SE9904270L (sv) | 2000-05-27 |
| SE518536C2 true SE518536C2 (sv) | 2002-10-22 |
Family
ID=8552986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9904270A SE518536C2 (sv) | 1998-11-26 | 1999-11-25 | Förfarande och apparatur för att kontrollera processtemperaturen vid tillverkning av en fiberbana |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT410107B (de) |
| FI (1) | FI111465B (de) |
| SE (1) | SE518536C2 (de) |
-
1998
- 1998-11-26 FI FI982557A patent/FI111465B/fi not_active IP Right Cessation
-
1999
- 1999-11-25 AT AT0199999A patent/AT410107B/de not_active IP Right Cessation
- 1999-11-25 SE SE9904270A patent/SE518536C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9904270L (sv) | 2000-05-27 |
| AT410107B (de) | 2003-02-25 |
| ATA199999A (de) | 2002-06-15 |
| FI982557A0 (fi) | 1998-11-26 |
| SE9904270D0 (sv) | 1999-11-25 |
| FI111465B (fi) | 2003-07-31 |
| FI982557L (fi) | 2000-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |