EP1768770A1 - Method for mixing, device for the same and use thereof - Google Patents
Method for mixing, device for the same and use thereofInfo
- Publication number
- EP1768770A1 EP1768770A1 EP05752464A EP05752464A EP1768770A1 EP 1768770 A1 EP1768770 A1 EP 1768770A1 EP 05752464 A EP05752464 A EP 05752464A EP 05752464 A EP05752464 A EP 05752464A EP 1768770 A1 EP1768770 A1 EP 1768770A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suspension
- stator
- pulp
- rotor
- rotary mixer
- 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.)
- Granted
Links
- 238000002156 mixing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 239000002657 fibrous material Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000010893 paper waste Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000005243 fluidization Methods 0.000 abstract description 6
- 238000010348 incorporation Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- -1 C1O2 Chemical compound 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
-
- 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
- B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
-
- 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
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0721—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis parallel with respect to the rotating axis
-
- 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
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis
-
- 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
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
- B01F27/2712—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator provided with ribs, ridges or grooves on one surface
Definitions
- the invention relates to a method for continuously mixing and / or fluidizing a suspension or a pulp and / or for mixing gaseous and / or liquid media in a suspension or a pulp, in particular in a suspension of a fibrous material with fluids, wherein the Suspension or pulp is exposed in a rotary mixer over the circumference of the rotary mixer of different sizes shear forces, and a device for carrying out the method and further use of the device.
- a rotary mixer for suspensions or pulps in which a rotor is arranged centrally in a stator, wherein rib-like projections are provided in a gap between a cross-sectionally polygonal rotor and stator.
- the object of the invention is to obviate these disadvantages and difficulties, and has set itself the task of a method of the type described above and a device for optimum continuous mixing and / or fluidization of a suspension or pulp and / or for mixing in gaseous and / or liquid media To create a suspension or a pulp, with which it is possible to accomplish the mixing process or the mixing efficiently and possibly over a longer period of time with little effort.
- this oversized dimensions of the device serving for this purpose or inadmissibly high peripheral speeds should be avoided.
- This object of the invention is achieved in a method of the type described above in that the suspension or the pulp is additionally moved from the inlet to the outlet of the rotary mixer along its length or longitudinal axis.
- the process according to the invention allows a broad application, in particular for pulp suspensions with a consistency between 4 and 20%, in particular between 8 and 15%.
- the longitudinal axis of the rotor is arranged parallel to the longitudinal axis of the stator.
- a preferred embodiment is characterized in that an eccentricity between the longitudinal axis of the stator and the longitudinal axis of the rotor in the range of 1/200 to 1/2 of the inner diameter of the drum of the stator.
- the ratio of the outer diameter of the rotor to the inner diameter of the drum of the stator in the range of 1: 1.1 to 1: 5, expediently the height of the flow breaker in the range between 1/50 to 1 / 1.4 the outer diameter of the rotor is located.
- a further preferred variant is characterized in that the width of the flow breaker is in the range between 1/100 to 10/1 whose height.
- stator are substantially transversely to the circumferential direction extending flow breaker and the rotor is provided substantially transversely to the circumferential direction extending driver, wherein advantageously the flow breaker and / or the drivers extend continuously over the length of the rotary mixer from the inlet to the outlet.
- At least some flow breakers and / or drivers extend only over partial regions of the length of the rotary mixer and are preferably arranged offset to one another in the circumferential direction.
- the inlet nozzle and / or the outlet nozzle can (can) be aligned radially to the longitudinal axis of the stator or in the direction of the longitudinal axis of the stator. If an admixture of a medium, so opens a supply line for the medium in the stator in the region of the inlet nozzle or multiple media inlet nozzle distributed over the length of the mixer.
- Use of the device according to the invention is particularly advantageous for the pulp industry, such as for producing multiphase mixtures mainly consisting of a suspension of pulp, water and chemicals (in liquid, gaseous or solid state or for producing a multiphase mixture of waste paper and water.
- Fig. 1 shows a view of a rotary mixer.
- Fig. 2 shows a guided according to the line II-II of FIG. 1 section.
- a substantially cylindrical shaped drum 1 which serves as a stator 2 of a rotary mixer, a rotatably mounted about its longitudinal axis 3 rotor 4 is provided, the bearing 5 are arranged on the drum 1 frontally closing walls 6.
- a drive shaft 7 of the rotor 4 extends beyond a bearing 5 and is driven by a motor 8.
- the rotor 4 can also be designed as a single-sided, cantilevered unit.
- an inlet connection 11 for a suspension or pulp and an outlet connection 12 are provided for the latter in the direction of the longitudinal axis 9 of the stator 2 at a distance of 10 from each other.
- a supply line 13 for a zuzumischendes medium such as a gas or a liquid.
- the inlet and outlet openings 11 ', 12' for the suspension or pulp and chemicals 4 are arranged either radially on the stator 2 or parallel to the longitudinal axis 3 of the rotor 4.
- flow baffles 15 extending essentially transversely to the circumferential direction of the drum 1 are arranged.
- the rotor 4 in turn has substantially transversely to the circumferential direction extending driver
- the axis 3 of the rotor 4 is arranged eccentrically with respect to the axis 9 of the stator 2 by the dimension e. Upon rotation of the rotor 4, a gap is thereby formed between the circle of the driver 16 and the flow breakers 15, which at its narrowest point
- 17 has a thickness of 0.02 to 80 and at its widest point 18 has a thickness of 1 to 90, each in percent of the inner diameter D of the stator.
- Both the flow breakers 15 and the drivers 16 need not span the entire length 19 of the rotary mixer, i. the drum 1, extend continuously in one piece; they may be formed of several parts lying one behind the other, which are possibly also arranged offset in the circumferential direction of the rotor 4 and in the circumferential direction of the stator 2 to each other.
- the width B of the flow breaker 15 is advantageously in the range between 1/100 to 10/1 whose height H.
- the number and geometry of the flow breaker or driver on the rotor or stator is freely selectable.
- the driver 16 and flow breaker 15 may be provided in a freely selectable number of different design.
- the function of the rotary mixer is largely independent of the position shown in FIG.
- Characteristic of the invention is the eccentric arrangement of the rotor 4 and the axial flow of the suspension or the pulp.
- Another characteristic is the very efficient interference, i. especially in the mixing of gases, a very homogeneous, fine-pored dispersion is achieved, which finely distributes the gaseous chemicals directly to the fibers of the suspension and there enables the reaction with the pulp.
- a special application of the rotary mixer is primarily for fiber suspensions, e.g. Pulp having a consistency of 4 to 20% with other fluids (bleaching chemicals), e.g. H2O2, C1O2, NaOH, 03, 02, Cl, N, etc., as well as further for transport-limited reactions for the production of viscose or mash by mixing solvents or Aushärtesubstanzen.
- fiber suspensions e.g. Pulp having a consistency of 4 to 20% with other fluids (bleaching chemicals), e.g. H2O2, C1O2, NaOH, 03, 02, Cl, N, etc.
- Ozone bleaching stage The following describes special applications: Ozone bleaching stage:
- Pulp is conveyed through a medium-consistency pump under a pressure of 1 to 20 barü to the rotary mixer.
- the ozone gas is also added to the rotary mixer.
- the pulp is fluidized very quickly and at the same time the ozone gas is mixed into the pulp suspension in a very homogeneous and fine-pored manner.
- the main reaction takes place in the fluidized state, wherein the ozone gas comes in the form of small bubbles directly to the fiber and there takes place the bleaching reaction.
- a much better reaction is already achieved in the rotary mixer.
- the chemical reaction after the rotary mixer is more efficient than with conventional mixing principles. That At lower ozone inputs, a higher ozone conversion is achieved. Finally, the largely reacted ozone gas is separated from the pulp suspension via a degassing vessel.
- Pulp is fed to the rotary mixer at a pressure of 3 to 20 bar.
- the oxygen gas is also added to the rotary mixer.
- the pulp is fluidized very quickly and at the same time the oxygen gas is mixed very homogeneously and with fine pores into the pulp suspension.
- the main reaction takes place in the subsequent reactor with a relatively long residence time of up to two hours. Due to the more efficient mixing of the oxygen gas and the generation of a very homogeneous and fine-pored dispersion, a higher delignification rate is achieved with the same residence time in the reactor than in previous mixing principles.
- the mixing principle is also excellent for incorporation of liquid chemicals, e.g. Chloride oxide or hydrogen peroxide in a medium-consistency pulp suspension.
- liquid chemicals e.g. Chloride oxide or hydrogen peroxide
- a shorter mixer length can be selected, since in the first instance the efficient mixing and not the increased residence time in the fluidized state comes into play.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT05752464T ATE409076T1 (en) | 2004-07-21 | 2005-06-24 | METHOD FOR MIXING, DEVICE THEREOF AND USE THEREOF |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0124504A AT413656B (en) | 2004-07-21 | 2004-07-21 | METHOD OF MIXING, DEVICE THEREFOR AND THEIR USE |
| PCT/AT2005/000229 WO2006007609A1 (en) | 2004-07-21 | 2005-06-24 | Method for mixing device for the same and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1768770A1 true EP1768770A1 (en) | 2007-04-04 |
| EP1768770B1 EP1768770B1 (en) | 2008-09-24 |
Family
ID=34916828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05752464A Revoked EP1768770B1 (en) | 2004-07-21 | 2005-06-24 | Method for mixing, device for the same and use thereof |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20070175604A1 (en) |
| EP (1) | EP1768770B1 (en) |
| AT (2) | AT413656B (en) |
| CA (1) | CA2574368C (en) |
| DE (1) | DE502005005481D1 (en) |
| WO (1) | WO2006007609A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215857A (en) * | 2019-05-20 | 2019-09-10 | 深圳市尚水智能设备有限公司 | A kind of impeller assembly and solid and liquid mixing equipment using the component |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010050863B4 (en) * | 2010-11-04 | 2016-04-14 | MT-Energie Service GmbH | Apparatus for mixing non-pumpable biomass with a liquid |
| RU2472576C2 (en) * | 2011-03-23 | 2013-01-20 | Ооо "Кавикорм" | Grinding disperser |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1381673A (en) * | 1921-06-14 | And five per cent | ||
| US166181A (en) * | 1875-08-03 | Improvement in rotary churns | ||
| US3658A (en) * | 1844-07-11 | Cylindrical mill for grinding grain | ||
| US2171296A (en) * | 1939-08-29 | Ore grinder | ||
| US690506A (en) * | 1901-08-14 | 1902-01-07 | Casimir Wurster | Pulping-machine. |
| US773544A (en) * | 1901-11-30 | 1904-11-01 | Kensett Champney | Coffee-hulling machine. |
| US2071622A (en) * | 1931-05-08 | 1937-02-23 | C E Butler | Washing machine |
| US2402905A (en) * | 1943-09-14 | 1946-06-25 | Girdler Corp | Mixing apparatus |
| US2448042A (en) * | 1943-09-14 | 1948-08-31 | Girdler Corp | Mixing apparatus |
| US2543537A (en) * | 1947-01-11 | 1951-02-27 | Willard F Smith | Almond shelling machine |
| CH325205A (en) * | 1953-09-16 | 1957-10-31 | Svenska Flaektfabriken Ab | Device for the treatment of loose material, especially fibrous materials |
| FR93585E (en) * | 1967-04-27 | 1969-04-18 | Brev Granofibresebreg Soc D Ex | Improved method for forming spherical aggregates of fibers and apparatus for carrying out the method. |
| GB1553196A (en) * | 1975-08-20 | 1979-09-26 | London Brick Buildings Ltd | Mixer for and method of mixing particulate constituents |
| FI62872C (en) * | 1978-06-06 | 1983-03-10 | Ahlstroem Oy | ANORDNING FOER SILNING AV FIBERSUSPENSIONER |
| SE419603B (en) * | 1979-11-27 | 1981-08-17 | Kamyr Ab | APPLICATION FOR MIXING TREATMENT AGENTS IN SUSPENSIONS |
| US4577974A (en) * | 1984-05-04 | 1986-03-25 | Kamyr, Inc. | Medium consistency mixer rotor and stator construction |
| US5813758A (en) * | 1993-12-10 | 1998-09-29 | Ahlstrom Machinery Inc. | Concentric ring fluidizing mixer |
| CA2158522C (en) * | 1994-09-19 | 2001-04-10 | Daniel R. Roll | Mixer for mixing multi-phase fluids |
| JP4820031B2 (en) * | 2001-08-31 | 2011-11-24 | 株式会社荒木鉄工 | Distributed device |
-
2004
- 2004-07-21 AT AT0124504A patent/AT413656B/en not_active IP Right Cessation
-
2005
- 2005-06-24 CA CA2574368A patent/CA2574368C/en not_active Expired - Fee Related
- 2005-06-24 AT AT05752464T patent/ATE409076T1/en not_active IP Right Cessation
- 2005-06-24 DE DE502005005481T patent/DE502005005481D1/en not_active Expired - Lifetime
- 2005-06-24 EP EP05752464A patent/EP1768770B1/en not_active Revoked
- 2005-06-24 WO PCT/AT2005/000229 patent/WO2006007609A1/en not_active Ceased
-
2007
- 2007-01-19 US US11/655,645 patent/US20070175604A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006007609A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215857A (en) * | 2019-05-20 | 2019-09-10 | 深圳市尚水智能设备有限公司 | A kind of impeller assembly and solid and liquid mixing equipment using the component |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA12452004A (en) | 2005-09-15 |
| AT413656B (en) | 2006-04-15 |
| CA2574368C (en) | 2013-02-12 |
| US20070175604A1 (en) | 2007-08-02 |
| WO2006007609A1 (en) | 2006-01-26 |
| EP1768770B1 (en) | 2008-09-24 |
| DE502005005481D1 (en) | 2008-11-06 |
| ATE409076T1 (en) | 2008-10-15 |
| CA2574368A1 (en) | 2006-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69223146T2 (en) | METHOD AND DEVICE FOR SEPARATING GAS FROM A GAS-CONTAINING MATERIAL | |
| DE69505159T2 (en) | Method and apparatus for mixing a gaseous chemical substance into fiber suspensions | |
| EP2285476B1 (en) | Rotor/stator system and process for producing dispersions | |
| EP0158358A2 (en) | Device for dispersing and/or emulsification of a mixture consisting of at least two materials | |
| DE1963376A1 (en) | Device for adding and distributing a liquid or a gas in other media | |
| DE202010003100U1 (en) | Colloidal mixer, in particular for the treatment of building materials | |
| DE69422187T2 (en) | METHOD AND DEVICE FOR MIXING A LIQUID IN A PULP MIX | |
| DE102017113890A1 (en) | Fumigation reactor and method for producing a gas-liquid mixture | |
| DE10354888B4 (en) | Colloidal mixer and process for the colloidal treatment of a mixture | |
| EP1768770B1 (en) | Method for mixing, device for the same and use thereof | |
| DE2432860A1 (en) | Continuous mixer for dispersing matls. in liqs. - is fed by non-clogging premixer for mixt. components | |
| DE19537303B4 (en) | Device for homogenizing flowable substances | |
| DE602005003356T2 (en) | METHOD, DEVICE AND ROTOR FOR HOMOGENIZING A MEDIUM | |
| DE10311768A1 (en) | Process for the production of polyurethane foams | |
| EP0760254B1 (en) | Device for homogenising flowable materials | |
| WO2007065572A2 (en) | Large-scale reactor or thin-film evaporator with premixing unit | |
| DE102007005622A1 (en) | Liquid phases e.g. emulsions, mixture producing device, has discharge pipe arranged within region of passage of longitudinal axis through mixing vessel that is symmetrically rotated around its longitudinal axis | |
| DE10012072B4 (en) | Inline mixer | |
| DE4313149C2 (en) | Device for grinding and intensive mixing of bulk goods and / or liquids | |
| DE3919828A1 (en) | Loop-type reactor column - circulates and mixes viscous liq. to small droplet size using static and rotating shear elements | |
| DD233787A5 (en) | STROEMUNGSMISCHMASCHINE | |
| AT403063B (en) | DEVICE FOR MIXING CHEMICALS IN A FIBROUS SUSPENSION | |
| DE2340726A1 (en) | Combined mixing and milling of pastes - fine dispersions achieved in one machine by sequential action | |
| EP4140571B1 (en) | Mixing device for producing a flowable product and method for operating a mixing device | |
| DE10251599B3 (en) | Apparatus for making adhesive from starch, useful for making paper size, has starch boiler and circulating reactor with conical reaction zone formed by alternating teeth on stator and rotor for reaction with enzyme |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20070119 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
| 17Q | First examination report despatched |
Effective date: 20070917 |
|
| DAX | Request for extension of the european patent (deleted) | ||
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
| REF | Corresponds to: |
Ref document number: 502005005481 Country of ref document: DE Date of ref document: 20081106 Kind code of ref document: P |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081224 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090104 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090224 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090124 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
| 26 | Opposition filed |
Opponent name: METSO PAPER SUNDSVALL AB Effective date: 20090615 |
|
| PLAX | Notice of opposition and request to file observation + time limit sent |
Free format text: ORIGINAL CODE: EPIDOSNOBS2 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| R26 | Opposition filed (corrected) |
Opponent name: METSO PAPER SUNDSVALL AB Effective date: 20090615 |
|
| PLBB | Reply of patent proprietor to notice(s) of opposition received |
Free format text: ORIGINAL CODE: EPIDOSNOBS3 |
|
| BERE | Be: lapsed |
Owner name: LENZING TECHNIK GMBH Effective date: 20090630 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090630 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20090624 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20100226 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090630 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090630 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090630 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090624 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090630 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090624 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20081225 |
|
| PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
| R26 | Opposition filed (corrected) |
Opponent name: METSO PAPER SUNDSVALL AB Effective date: 20090615 |
|
| PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R103 Ref document number: 502005005481 Country of ref document: DE Ref country code: DE Ref legal event code: R064 Ref document number: 502005005481 Country of ref document: DE |
|
| R26 | Opposition filed (corrected) |
Opponent name: METSO PAPER SWEDEN AB Effective date: 20090615 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090624 |
|
| RDAF | Communication despatched that patent is revoked |
Free format text: ORIGINAL CODE: EPIDOSNREV1 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20090325 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20110613 Year of fee payment: 7 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FI Payment date: 20110613 Year of fee payment: 7 |
|
| RDAG | Patent revoked |
Free format text: ORIGINAL CODE: 0009271 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT REVOKED |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20080924 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20110622 Year of fee payment: 7 |
|
| 27W | Patent revoked |
Effective date: 20110419 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R107 Ref document number: 502005005481 Country of ref document: DE Effective date: 20111208 |
|
| REG | Reference to a national code |
Ref country code: SE Ref legal event code: ECNC |