DE2608425C3 - Verfahren und Vorrichtung zum kontinuierlichen Verteilen und Einmischen von Gas und/oder Flüssigkeit in Zellstoff-Fasersuspensionen hoher Konzentration - Google Patents
Verfahren und Vorrichtung zum kontinuierlichen Verteilen und Einmischen von Gas und/oder Flüssigkeit in Zellstoff-Fasersuspensionen hoher KonzentrationInfo
- Publication number
- DE2608425C3 DE2608425C3 DE2608425A DE2608425A DE2608425C3 DE 2608425 C3 DE2608425 C3 DE 2608425C3 DE 2608425 A DE2608425 A DE 2608425A DE 2608425 A DE2608425 A DE 2608425A DE 2608425 C3 DE2608425 C3 DE 2608425C3
- Authority
- DE
- Germany
- Prior art keywords
- pulp
- inlet
- chlorine
- cylindrical part
- treatment
- 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
- 239000000725 suspension Substances 0.000 title claims description 26
- 239000007788 liquid Substances 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 14
- 239000000835 fiber Substances 0.000 title description 49
- 238000011282 treatment Methods 0.000 claims description 21
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 15
- 239000000460 chlorine Substances 0.000 claims description 15
- 229910052801 chlorine Inorganic materials 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 13
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 10
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 5
- 239000004155 Chlorine dioxide Substances 0.000 claims description 5
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 5
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- YUHVVTLNLCJEOB-UHFFFAOYSA-N [Cl].O=Cl=O Chemical compound [Cl].O=Cl=O YUHVVTLNLCJEOB-UHFFFAOYSA-N 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 238000004061 bleaching Methods 0.000 description 5
- 238000005660 chlorination reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- SMNRFWMNPDABKZ-WVALLCKVSA-N [[(2R,3S,4R,5S)-5-(2,6-dioxo-3H-pyridin-3-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [[[(2R,3S,4S,5R,6R)-4-fluoro-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl] hydrogen phosphate Chemical compound OC[C@H]1O[C@H](OP(O)(=O)OP(O)(=O)OP(O)(=O)OP(O)(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)C2C=CC(=O)NC2=O)[C@H](O)[C@@H](F)[C@@H]1O SMNRFWMNPDABKZ-WVALLCKVSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23763—Chlorine or chlorine containing gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
-
- 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
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7502870A SE389351B (sv) | 1975-03-14 | 1975-03-14 | Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2608425A1 DE2608425A1 (de) | 1976-09-16 |
| DE2608425B2 DE2608425B2 (de) | 1978-01-05 |
| DE2608425C3 true DE2608425C3 (de) | 1978-09-14 |
Family
ID=20323961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2608425A Expired DE2608425C3 (de) | 1975-03-14 | 1976-03-01 | Verfahren und Vorrichtung zum kontinuierlichen Verteilen und Einmischen von Gas und/oder Flüssigkeit in Zellstoff-Fasersuspensionen hoher Konzentration |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4093506A (enExample) |
| JP (1) | JPS51114769A (enExample) |
| BR (1) | BR7601502A (enExample) |
| CA (1) | CA1043147A (enExample) |
| DE (1) | DE2608425C3 (enExample) |
| FI (1) | FI62868C (enExample) |
| FR (1) | FR2333083A1 (enExample) |
| NO (1) | NO146334C (enExample) |
| SE (1) | SE389351B (enExample) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI55878C (fi) * | 1976-04-28 | 1979-10-10 | Ahlstroem Oy | Foerfarande foer behandling av lignocellulosamaterial med klor |
| FI62872C (fi) | 1978-06-06 | 1983-03-10 | Ahlstroem Oy | Anordning foer silning av fibersuspensioner |
| FR2432574A1 (fr) * | 1978-08-01 | 1980-02-29 | Europeen Cellulose | Procede de blanchiment de pate a papier |
| US4295926A (en) * | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen |
| US4295925A (en) * | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Treating pulp with oxygen |
| US4295927A (en) * | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen and storing the treated pulp |
| US4303470A (en) * | 1979-06-15 | 1981-12-01 | Weyerhaeuser Company | Method and apparatus for mixing gases with a wood pulp slurry |
| US4288288A (en) * | 1979-06-15 | 1981-09-08 | Weyerhaeuser Company | Apparatus for mixing chemicals into pulp at a refiner inlet |
| US4298426A (en) * | 1979-06-15 | 1981-11-03 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence |
| SE445052C (sv) * | 1980-03-13 | 1987-11-09 | Sunds Defibrator | Sett och anordning for kontinuerlig inblandning av gas- och/eller vetskeformiga behandlingsmedel i en massasuspension |
| US4362536A (en) * | 1981-06-08 | 1982-12-07 | Kamyr, Inc. | Pulp degassing |
| ATE31249T1 (de) * | 1981-09-04 | 1987-12-15 | Weyerhaeuser Co | Verfahren und vorrichtung zum mischen von pulpe mit gasen. |
| US4662993A (en) * | 1983-08-15 | 1987-05-05 | Westvaco Corporation | Bleach system for dissolving chlorine gas into a bleach filtrate |
| US4515655A (en) * | 1983-08-15 | 1985-05-07 | Westvaco Corporation | Method of bleaching paper pulp by blending chlorine with a flow volume of paper pulp slurry |
| NO164310C (no) * | 1984-03-05 | 1990-09-19 | Kamyr Inc | Fremgangsmaate for behandling av en mekanisk masse med hydrosulfitt-blekekjemikalier. |
| FI75882C (fi) * | 1985-07-18 | 1988-08-08 | Kamyr Ab | Anordning foer inblandning av kemikalier i fibersuspensioner. |
| US4842690A (en) * | 1986-05-27 | 1989-06-27 | Kamyr, Inc. | Mixing chlorine gas into paper pulp slurries |
| FI79361B (fi) * | 1988-01-05 | 1989-08-31 | Ahlstroem Oy | Foerfarande och apparatur foer underlaettande av uttoemning av fallroer eller liknande och behandling av massa i sagda utrymme. |
| US4902381A (en) * | 1988-12-09 | 1990-02-20 | Kamyr, Inc. | Method of bleaching pulp with ozone-chlorine mixtures |
| US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
| US5409570A (en) * | 1989-02-15 | 1995-04-25 | Union Camp Patent Holding, Inc. | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone |
| US5211811A (en) * | 1989-02-15 | 1993-05-18 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification |
| US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
| US4976586A (en) * | 1989-07-18 | 1990-12-11 | Kamyr Ab | Pump with separate fluidizing vaned shaft adjacent impeller |
| US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5405497A (en) * | 1990-08-28 | 1995-04-11 | Kamyr, Inc. | Method of chemically reacting a liquid with a gas in a vortex |
| AT394738B (de) * | 1990-09-03 | 1992-06-10 | Andritz Ag Maschf | Verfahren und vorrichtung zum austragen eines mediums aus einem behaelter |
| NZ242792A (en) * | 1991-05-24 | 1993-12-23 | Union Camp Patent Holding | Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage. |
| US5792316A (en) * | 1992-02-28 | 1998-08-11 | International Paper Company | Bleaching process for kraft pulp employing high consistency chlorinated pulp treated with gaseous chlorine and ozone |
| US5258100A (en) * | 1992-02-28 | 1993-11-02 | Kamyr, Inc. | Minimizing gas separation in a mixer outlet |
| FI925558L (fi) * | 1992-04-22 | 1993-10-23 | Ahlstroem Oy | Foerfarande och anordning foer blekning av massa |
| EP0674730A4 (en) * | 1992-12-18 | 1996-04-10 | Ingersoll Rand Co | METHOD AND DEVICE FOR MIXING CELLULAR AND BLENDER. |
| US5554259A (en) * | 1993-10-01 | 1996-09-10 | Union Camp Patent Holdings, Inc. | Reduction of salt scale precipitation by control of process stream Ph and salt concentration |
| CA2158522C (en) * | 1994-09-19 | 2001-04-10 | Daniel R. Roll | Mixer for mixing multi-phase fluids |
| WO1997020983A1 (en) * | 1995-12-07 | 1997-06-12 | Beloit Technologies, Inc. | Oxygen delignification of medium consistency pulp slurry |
| AT403588B (de) * | 1996-06-26 | 1998-03-25 | Andritz Patentverwaltung | Vorrichtung zur verteilung von suspensionen, insbesondere zellstoffsuspensionen, in einem behälter |
| US6193406B1 (en) * | 1996-12-20 | 2001-02-27 | Andritz-Ahlstrom Oy | Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor |
| EP1151788A1 (de) * | 2000-05-05 | 2001-11-07 | Carpos S.A. | Knetmaschine mit Dosiervorrichtung |
| US6915734B2 (en) * | 1997-08-19 | 2005-07-12 | Arios, S.A. | Pizza making method and system |
| IT1296382B1 (it) | 1997-08-19 | 1999-06-25 | Waltzing Limited Liability Com | Procedimento ed attrezzatura per la produzione di pizze. |
| US6423183B1 (en) | 1997-12-24 | 2002-07-23 | Kimberly-Clark Worldwide, Inc. | Paper products and a method for applying a dye to cellulosic fibers |
| US6379498B1 (en) * | 2000-02-28 | 2002-04-30 | Kimberly-Clark Worldwide, Inc. | Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method |
| US6749721B2 (en) | 2000-12-22 | 2004-06-15 | Kimberly-Clark Worldwide, Inc. | Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition |
| US7749356B2 (en) | 2001-03-07 | 2010-07-06 | Kimberly-Clark Worldwide, Inc. | Method for using water insoluble chemical additives with pulp and products made by said method |
| US6582560B2 (en) * | 2001-03-07 | 2003-06-24 | Kimberly-Clark Worldwide, Inc. | Method for using water insoluble chemical additives with pulp and products made by said method |
| US6863429B2 (en) * | 2002-01-07 | 2005-03-08 | Artos, S.A. | Dough mixer with metering device |
| US6916402B2 (en) | 2002-12-23 | 2005-07-12 | Kimberly-Clark Worldwide, Inc. | Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof |
| US7670459B2 (en) * | 2004-12-29 | 2010-03-02 | Kimberly-Clark Worldwide, Inc. | Soft and durable tissue products containing a softening agent |
| US9492801B2 (en) * | 2008-01-11 | 2016-11-15 | Sulzer Management Ag | Method and apparatus for mixing a first fluid with a second fluid in a mixing chamber connected to a turbine chamber |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764425A (en) * | 1954-07-19 | 1956-12-28 | Giulio Consiglio | Process of and apparatus for continuously chlorinating semi-chemical cellulose |
| US3074786A (en) * | 1959-12-17 | 1963-01-22 | Shell Oil Co | Fluid mixer with rotating baffles and method of operating same |
| US3293117A (en) * | 1963-03-27 | 1966-12-20 | Improved Machinery Inc | High density pulp mixing |
| US3301027A (en) * | 1965-05-10 | 1967-01-31 | Improved Machinery Inc | Pulp treatment apparatus |
| SE311109B (enExample) * | 1967-11-30 | 1969-05-27 | Billeruds Ab | |
| US3630828A (en) * | 1968-05-13 | 1971-12-28 | Pulp Paper Res Inst | Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp |
| CA902859A (en) * | 1969-11-26 | 1972-06-20 | Pulp And Paper Research Institute Of Canada | Chemical reaction between a solid and a gas |
| US3833461A (en) * | 1971-05-17 | 1974-09-03 | Bauer Bros Co | Cyclonic digester system and process |
| US3966542A (en) * | 1974-09-20 | 1976-06-29 | General Signal Corporation | Multi-stage bleaching of pulp using successively lower power levels |
-
1975
- 1975-03-14 SE SE7502870A patent/SE389351B/xx not_active IP Right Cessation
-
1976
- 1976-02-23 FI FI760444A patent/FI62868C/fi not_active IP Right Cessation
- 1976-03-01 DE DE2608425A patent/DE2608425C3/de not_active Expired
- 1976-03-05 NO NO760772A patent/NO146334C/no unknown
- 1976-03-10 US US05/665,576 patent/US4093506A/en not_active Expired - Lifetime
- 1976-03-10 JP JP51025196A patent/JPS51114769A/ja active Granted
- 1976-03-11 FR FR7607012A patent/FR2333083A1/fr active Granted
- 1976-03-11 CA CA247,730A patent/CA1043147A/en not_active Expired
- 1976-03-12 BR BR7601502A patent/BR7601502A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO146334B (no) | 1982-06-01 |
| NO146334C (no) | 1982-09-08 |
| FI62868B (fi) | 1982-11-30 |
| DE2608425A1 (de) | 1976-09-16 |
| NO760772L (enExample) | 1976-09-15 |
| US4093506A (en) | 1978-06-06 |
| FI62868C (fi) | 1983-03-10 |
| JPS565875B2 (enExample) | 1981-02-07 |
| FR2333083A1 (fr) | 1977-06-24 |
| DE2608425B2 (de) | 1978-01-05 |
| SE7502870L (sv) | 1976-09-15 |
| FI760444A7 (enExample) | 1976-09-15 |
| FR2333083B1 (enExample) | 1979-04-06 |
| SE389351B (sv) | 1976-11-01 |
| CA1043147A (en) | 1978-11-28 |
| JPS51114769A (en) | 1976-10-08 |
| BR7601502A (pt) | 1976-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: BEHN, K., DIPL.-ING., PAT.-ANW., 8134 POECKING |
|
| 8339 | Ceased/non-payment of the annual fee |