EP3612296A1 - Apparatus and method for agitating liquids or bulk materials - Google Patents
Apparatus and method for agitating liquids or bulk materialsInfo
- Publication number
- EP3612296A1 EP3612296A1 EP19708469.2A EP19708469A EP3612296A1 EP 3612296 A1 EP3612296 A1 EP 3612296A1 EP 19708469 A EP19708469 A EP 19708469A EP 3612296 A1 EP3612296 A1 EP 3612296A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- liquid
- bulk material
- less
- agitation
- 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
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 title abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 239000013590 bulk material Substances 0.000 claims description 23
- 238000013019 agitation Methods 0.000 claims description 20
- 238000005496 tempering Methods 0.000 claims description 14
- 239000011344 liquid material Substances 0.000 claims description 11
- 238000011049 filling Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000000855 fermentation Methods 0.000 description 5
- 230000004151 fermentation Effects 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004962 mammalian cell Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012780 transparent material Substances 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
- B01F29/00—Mixers with rotating receptacles
- B01F29/40—Parts or components, e.g. receptacles, feeding or discharging means
- B01F29/401—Receptacles, e.g. provided with liners
- B01F29/4011—Receptacles, e.g. provided with liners characterised by the shape or cross-section of the receptacle, e.g. of Y-, Z -, S -, or X shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
- B01F29/63—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with fixed bars, i.e. stationary, or fixed on the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/45—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor
- B01F35/453—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by moving them perpendicular to the plane of the opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/514—Mixing receptacles the mixing receptacle or conduit being transparent or comprising transparent parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0436—Operational information
- B01F2215/0454—Numerical frequency values
Definitions
- the invention relates to an apparatus and a method for agitation of liquids or bulk material in the context of chemical, biological or physical processes.
- liquids are mixed, for example, to accelerate reactions or even make them possible in the first place.
- an agitation must take place in order to achieve certain crystallization results.
- mechanical installations such as stirrers are used.
- the object of the invention is to provide a device for the agitation of liquids or bulk material in the context of chemical, biological or physical processes available, which manages without such additional stirring elements and allows a particularly gentle agitation.
- the invention relates to a device for agitation of liquids or bulk material in the context of chemical, biological or physical processes, the device having a container with a cavity for receiving a liquid or bulk material.
- the container is a cylindrical drum, a jacket and two trays arranged on opposite sides of the casing, which is rotatably mounted about its substantially horizontal cylinder axis, wherein the ratio of the height to the diameter of the drum is less than 0.5.
- the concept of agitation particularly encompasses a mixing of the liquid or of the bulk material.
- the device allows a particularly gentle agitation of the liquid or the bulk material, which may be desirable in particular in sensitive processes such as crystallization or polymerization.
- the liquid may be a solution or a liquid dispersion, for example an emulsion.
- Essentially horizontal in connection with the cylinder axis means that it either runs exactly horizontally or only slightly, ie at an angle of at most 30 °, preferably at most 15 ° with respect to the horizontal. Due to the substantially horizontal course of the cylinder axis, the height of the drum essentially corresponds to its extent in the horizontal direction and its diameter substantially corresponds to its extent in the vertical direction. Due to the low height in relation to the diameter of the drum is also flat and has the overall shape of a standing disc.
- the apparatus preferably includes a motor for rotating the drum about the cylinder axis.
- the engine is, for example, an electric romotor.
- the motor enables even agitation and automation of the process.
- the drum as a whole can be removed from the device in order to fill, empty, clean or replace them.
- a mechanism for moving the drum from a stationary operating position to a horizontal filling and removal position may be provided.
- the drum has the shape of a rotary cylinder.
- the bases or bottoms of the drum are so circular in one embodiment and the cylinder axis passes through the center of and normal to the base surfaces.
- structural elements acting on the inner surfaces of the drum in the direction of rotation such as, for example, axially or obliquely running ribs. These structural elements on the inner surfaces of the shell and / or the bottoms controllably increase turbulence in agitation.
- the inner surfaces of the drum in rotation Rich tion can be structureless and the agitation can be done alone by the entrainment of the liquid or the bulk material on the unstructured inner surfaces. In this way the agitation is particularly gentle.
- the extent to which liquid or bulk material is carried along on the inner surfaces can also be regulated by the roughness of the inner surfaces and by their hydrophobicity. Hardly any deposits occur on the inner surfaces, especially since the energy carrier also takes place there and thus the agitation of the liquid or of the bulk material is strongest.
- for the prevention and / or removal of deposits but also internals for cleaning the inner surfaces may be provided by, for example, scraping or scraping.
- the insides are provided with a coating.
- a coating examples include corrosion resistant coatings such as Teflon or the like.
- Teflon a coating
- the interior surfaces can be given the desired properties.
- the ratio of the cylinder height to the cylinder diameter is less than 0.3 and preferably less than 0.2. Even aspect ratios of less than 0.1 are conceivable. Values of 0.01 or 0.05 are preferred as the lower ratio limits. Depending on the application, the use of different flat slices may be preferred.
- the preferred dimensions of the drum may vary depending on the nature of the process being planned, with different factors such as fluid viscosity playing a central role. Exemplary values include, in terms of cavity, diameters of between 10 and 200 cm, heights of between 0.5 and 25 cm. Exemplary void volumes are between 50 mi and 500 I.
- the drum has a closable opening, which is arranged, for example, on one of the floors.
- the opening may serve to fill the drum prior to the start of the process and / or to remove the liquid or bulk material after completion of the process.
- the opening can be used for manipulation, wherein a tool can be introduced during operation of the drum in this, for example, to take samples or perform measurements.
- the drum can be lying down or standing over the opening to be filled and emptied.
- the device comprises a mechanism for pivoting the drum between the standing and a lying position.
- two or more separate openings are provided, with one opening for filling and another opening can be used for emptying. Different openings may for example be arranged on different bottoms of the drum.
- For closing each opening may be provided a cover such as a pivotable flap or a removable cap.
- the drum is designed so that at least one floor can be removed from the jacket as a whole.
- the opening is formed by the open at the bottom floor surface of the drum. It can be provided that a peripheral seal is provided at the interface between the removable bottom and jacket. For releasably securing the bottom of the jacket clamping devices such as quick release or wing nuts can be provided.
- only one floor can be removed from the jacket, wherein the other floor is either made in one piece with the jacket or is inextricably linked thereto, for example glued, welded or screwed.
- the drum can also be so.biidet that both floors can be removed from the jacket as a whole.
- the drum can at least partially be made of a transparent material or have a sight glass, so that the drum contents is visible from the outside.
- the sight glass can be formed for example by a transparent cover of an opening described in more detail above. It can also be provided that at least one of the bottoms is formed completely transparent.
- the drum has at least one tempering chamber with at least one connection for the application of a tempering fluid.
- the tempering chamber extends over at least a portion of the drum shell.
- the jacket can be made double-walled and the tempering can be formed by the gap of the walls.
- at least two connections for a tempering fluid are present, namely a flow connection and a return connection.
- the device includes ports for evacuation, pressurization, introduction of probes, or the like.
- the hinged connections may generally be arranged on the jacket or on one of the bottoms, wherein an arrangement on one of the bottoms near the cylinder axis may be preferred in order to be able to use the connections during a rotation of the drum.
- a hollow shaft may be provided, in which supply hoses run.
- a hub rotatably mounted on the device is provided, around which the drum rotates. If necessary, the hub may extend over an area close to the axis of at least one floor.
- One or more of the above-mentioned connections can be arranged in the region of such a hub.
- the device may comprise a burst protection device, which may be mounted in the region of the jacket and / or in the region of at least one base and which gives the device the necessary stability, especially in overpressure processes, and guarantees its operational safety.
- Weldable materials such as plastics and metals as well as ben example, glass, carbon, ceramic or fiber reinforced plastics come as material for the production of the floors and the shell of the drum.
- the invention further relates to a method for agitation of a liquid or bulk material in the context of a chemical, biological or physical process in a Vorrich- device according to the invention, wherein the filled with liquid or bulk drum is rotated about the cylinder axis.
- the process may be, for example, a chemical or biological reaction, so that the device according to the invention is used as a reactor.
- the process may be a polymerization reaction wherein the reactor is for receiving and agitating the reaction mixture for a polymerization reaction.
- the process may also involve the growth of crystals, so that the device according to the invention is used as a crystallizer.
- Further processes, for the implementation of which the device according to the invention can be used include a fermentation, a distillation, an evaporation process, an extraction or a preparation of pigments.
- the process can also be a pure mixing process.
- the device can be used to homogenize the geometry of bodies.
- the device according to the invention can in each case be used industrially or for research purposes, for example to investigate the applicability before a scale-up.
- the rotational speed of the drum is less than 60 U / min, preferably less than 20 U / min, more preferably less than 10 U / min and more preferably less than 5 U / min.
- An exemplary range is between 0.5 and 2 rpm.
- the drum should only be turned so fast that the centrifugal forces are low compared to gravity. The stated values have proved to be advantageous in different processes, with the exact choice of an optimal speed depending on the type of process and different influencing factors such as, for example, the viscosity of the liquid.
- the drum is filled with more than 1/8 and less than 3/4, preferably more than 1/4 and less than 2/3 with liquid or bulk material.
- the drum must generally be filled with liquid or bulk material to carry out the process, at least to the extent that the bottom is covered, and at most completely.
- the fill levels indicated are preferred ranges that are desirable for most processes. In many cases, a filling is cheap to about half.
- the drum is tempered to a temperature deviating from the ambient temperature during the process. Suitable process temperatures are process-dependent and can be in the range of, for example, between -80 ° C and 400 ° C.
- the tempering can be effected by flowing through the tempering chambers with tempering fluid and preferably with tempering liquid. Alternatively or additionally, electrical or inductive heating and heating with heat radiation or microwaves are conceivable.
- the pressure within the drum can also be regulated to a pressure different from the ambient pressure, for example by evacuation or pressurization.
- the drum can also be treated with an inert gas atmosphere.
- the invention relates to a system with a plurality of devices combined to form a composite.
- the drums can optionally with a be coupled common motor, for example, be angordnet on a common shaft in order to rotate them together in operation can.
- Figure 1 a sectional view of a drum Vorrich a device according to the invention
- FIG. 2 shows a further view of the drum according to FIG. 1;
- Figure 3 a photograph of an embodiment of an inventive
- Figure 4 a schematic representation of another embodiment of a
- FIG. 5 shows a schematic representation of a further embodiment of a device according to the invention.
- Figure 6 another embodiment of a drum of a device according to the invention.
- FIG. 1 shows a sectional view of a drum 10 of a device according to the invention.
- the circular cylindrical drum 10 has the shape of a circular disc by its small height, wherein the ratio of the height to the diameter is about 1 tu 10. It has a shell 11 and two bottoms 12 and 13, which include a cavity 14 for receiving liquid or bulk material.
- the axis of rotation A of the drum 10 is horizontal. On the basis of the wave W, the drum can be set in rotation by a motor not shown in FIG.
- the bottom 12 can be removed in total from the shell 11, wherein a circumferential annular seal 15 is provided for sealing the gap formed between the shell 11 and bottom 12.
- the casing 11 comprises on its end face axially projecting threaded pins 16, which are guided by corresponding bores of the bottom 12. The bottom 12 is clamped to the threaded pins 16 by means of wing nuts 17.
- the bottom 12 In the central region of the bottom 12 is also an opening 18 which is closed by a transparent disc-shaped cover 19.
- the opening also serves as a viewing window and as a further filling or removal opening.
- the cover is clamped between the base 12 and an annular aperture 20, wherein between the cover 19 and the base 12 as well as between the cover 19 and the aperture 20, respectively a circumferential annular seal 21 or 22 is provided.
- the base 12 comprises, distributed around the circumference of the opening 18, axially projecting threaded pins 23, which are guided by corresponding holes in the aperture 20.
- the panel 20 is also clamped to the threaded pins 23 by means of wing nuts 24.
- the Mantei 11 is double-walled, wherein between the walls 11 a and 11 b, a fluid channel 25 is formed, through which a tempering for the purpose of heating or cooling of the drum contents can be passed.
- the tempering medium is passed through a filling port 26 into the fluid channel.
- the filling connection 26 can be connected to a hose coming from a hollow shaft and running along the rear side of the bottom 13, which in this respect co-rotates with the drum 10.
- FIG. 2 shows a further schematic sectional view of the drum 10 of FIG. 1, this time with the cover removed.
- FIG. 3 shows a photograph of an embodiment of a device 1 according to the invention.
- a drum 10 which is made completely transparent, it comprises a holder 2, a motor 3 with gear 4 and a control unit 5.
- the device 1 shown is in operation in the illustrated state, ie Drum 10 is rotated and filled with liquid. It can be seen that the liquid occupies slightly less than 1/4 of the void volume of the drum 10.
- Figure 4 shows a schematic representation of another embodiment of a drum 10 of a device according to the invention.
- the removable bottom 12 which is remote from the shaft, is made entirely of glass and has in its center an opening 18, which, in contrast to the opening of the embodiment according to FIG. 1, is at least temporarily not covered, but remains open.
- an instrument 27 can also be immersed in the liquid during the rotation of the drum 10 in order to be able to carry out, for example, measurements, dosages or withdrawals during the process.
- FIG. 5 shows a further embodiment of a device 1 according to the invention, the drum 10 being fastened to a holder 2.
- the removable and off-shaft bottom 12 of the drum 10 is made entirely of glass.
- an opening in the center of the bottom 12 is absent in this embodiment.
- the bracket includes a motor that drives the shaft W.
- the drum 10 is suspended on the shaft W.
- the shaft is configured in this embodiment as a hollow shaft and receives a hose, can be transmitted by the heat transfer from the holder 2 in hoses within the rotating shaft W and from there via the terminal 26 on the not visible in this figure tempering.
- FIG 6 shows a further embodiment of a drum 10 of a device 1 according to the invention, said drum 10 is made in three parts and both floors 12 and 13 can be removed from the jacket 11.
- Both floors 12 and 13 are here essentially made of glass, with a respective metal fuse 28 being clamped in front of the glass surface as burst protection.
- the burst protection 28 is also braced by the wing nuts, as explained in more detail in connection with the embodiment of Figure 1.
- the two floors 12 and 13 are connected together in the region of a projection 29 and the shell 11 is clamped between the plates 12 and 13.
- the jacket 11 itself does not comprise any fastening means.
- reaction templates are placed in a drum of a device according to the invention with 100 cm diameter.
- the width of the drum is 50mm.
- the drum is rotated at 10 revolutions per minute.
- the temperature is raised until the polymerization starts.
- the temperature is kept constant.
- the mixture is cooled again and the rotation of the drum stopped. Due to the gentle mixing, the formation of particularly long-chain polymers can be observed.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018105130.1A DE102018105130A1 (en) | 2018-03-06 | 2018-03-06 | Apparatus and method for agitation of liquids or bulk material |
PCT/EP2019/054891 WO2019170498A1 (en) | 2018-03-06 | 2019-02-27 | Apparatus and method for agitating liquids or bulk materials |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3612296A1 true EP3612296A1 (en) | 2020-02-26 |
EP3612296B1 EP3612296B1 (en) | 2023-07-05 |
Family
ID=65635681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19708469.2A Active EP3612296B1 (en) | 2018-03-06 | 2019-02-27 | Apparatus and method for agitating liquids or bulk materials |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3612296B1 (en) |
DE (1) | DE102018105130A1 (en) |
WO (1) | WO2019170498A1 (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL272388A (en) * | 1960-12-16 | |||
NL297717A (en) * | 1962-09-18 | |||
GB1159261A (en) * | 1966-02-22 | 1969-07-23 | Head Wrightson & Co Ltd | An Improved Batch Mixer |
US3685805A (en) * | 1971-04-07 | 1972-08-22 | Patterson Kelley Co | Research blender |
ES435711A1 (en) * | 1975-03-07 | 1977-03-16 | Metalquimica S A | Improvements in the macerar machines and treat meat. (Machine-translation by Google Translate, not legally binding) |
CH602172A5 (en) * | 1975-10-10 | 1978-07-31 | Fischer Ag Georg | |
US4423961A (en) * | 1982-06-03 | 1984-01-03 | Sevenson Company | Feed mixing apparatus |
CH691995A5 (en) * | 1995-09-02 | 2001-12-31 | Vaclav Feres | Apparatus for treating liquid products. |
US5847294A (en) * | 1996-04-09 | 1998-12-08 | Amherst Process Instruments, Inc. | Apparatus for determining powder flowability |
CA2915672C (en) * | 2013-06-20 | 2017-11-21 | Hatch Pty Ltd | Anti-segregation mixer |
CN204933360U (en) * | 2015-08-29 | 2016-01-06 | 宁国市朝阳耐磨材料有限公司 | Chemical reagent mixing arrangement |
-
2018
- 2018-03-06 DE DE102018105130.1A patent/DE102018105130A1/en active Pending
-
2019
- 2019-02-27 EP EP19708469.2A patent/EP3612296B1/en active Active
- 2019-02-27 WO PCT/EP2019/054891 patent/WO2019170498A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019170498A1 (en) | 2019-09-12 |
DE102018105130A1 (en) | 2019-09-12 |
EP3612296B1 (en) | 2023-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1183888B (en) | Reaction vessel | |
EP0356419A2 (en) | Process for producing solutions of cellulose | |
EP1118381B1 (en) | Apparatus for treating materials | |
CH677141A5 (en) | ||
DE3923928C2 (en) | ||
EP1551524B1 (en) | Method and device for the extraction of materials from liquids or solid dispersions | |
EP1201296A1 (en) | Device for introducing a gas into a liquid | |
DE1557115B2 (en) | DEVICE FOR MIXING LIQUIDS | |
EP3612296B1 (en) | Apparatus and method for agitating liquids or bulk materials | |
CH651586A5 (en) | APPARATUS FOR BREEDING MICRO-ORGANISMS ON LIQUID GROWTH FLOORS. | |
DE4028871A1 (en) | Biochemical reaction vessel for cultivation of microorganisms - consists of cylindrical vessel with heating jacket and spherical cover with viewing window and fittings for probes | |
EP1175255B1 (en) | Method and device for processing a substance or substance mixture which is situated in a container and rotates about the container axis, notably because of a mixing or stirring action | |
DE19700499A1 (en) | Microwave heating unit subjecting a high throughput of samples to heat and pressure | |
DE102004062703A1 (en) | Mixing container for mixing liquids with liquids, solids and/or gases comprises current breakers arranged on base of boiler or on lid to rotate about vertical axis | |
DE3932633C1 (en) | ||
DE19957817A1 (en) | Chemical liquid mixing tank has mixer baffle vanes positioned between surface of fluid at rest and crest of fluid under mixing conditions | |
DE19932623C2 (en) | Method and device for storing and / or degassing viscous liquids, in particular cast resin | |
DE19957816A1 (en) | Gas admixed to rotating liquid in a tank with sidewall projections located between fluid crest and whirlpool base and skimming fluid onto incoming gas | |
DE2314344C2 (en) | Mixer for the continuous preparation of free-flowing mix | |
DE202005009425U1 (en) | Device for culturing cells in a vessel, useful e.g. for preparation of antibodies, comprising an oscillatory stirrer, membrane basket, containing carrier, and gasification membrane on the outside of the basket | |
EP1589094B1 (en) | Rotatory fermenter | |
DE1225151B (en) | Vessel divided into several cells transversely to the longitudinal axis by partition walls | |
DE102016013229A1 (en) | Method and apparatus for the mixing of gases and liquids, preferably for the biochemical synthesis of methane from carbon dioxide and hydrogen | |
DE2108062A1 (en) | Irradiation appts with planetary sample drive - esp for photochemical reactions | |
CH472496A (en) | Device for carrying out microbiological fermentation processes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
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 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20191118 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: WILK, ANDREAS Owner name: HEITMANN, TORSTEN |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HEITMANN, TORSTEN Inventor name: WILK, ANDREAS |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20210331 |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref document number: 502019008394 Country of ref document: DE Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: B01F0009000000 Ipc: B01F0029000000 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B01F 35/92 20220101ALI20230202BHEP Ipc: B01F 35/50 20220101ALI20230202BHEP Ipc: B01F 35/45 20220101ALI20230202BHEP Ipc: B01F 29/63 20220101ALI20230202BHEP Ipc: B01F 29/00 20220101AFI20230202BHEP |
|
INTG | Intention to grant announced |
Effective date: 20230302 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1584314 Country of ref document: AT Kind code of ref document: T Effective date: 20230715 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502019008394 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20230705 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20230705 |
|
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: 20231006 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20230705 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20231105 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE 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: 20230705 Ref country code: RS 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: 20230705 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: 20231106 Ref country code: NO 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: 20231005 Ref country code: LV 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: 20230705 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: 20230705 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: 20231105 Ref country code: HR 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: 20230705 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: 20231006 Ref country code: FI 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: 20230705 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: 20230705 |
|
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: 20230705 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20240226 Year of fee payment: 6 |