EP3171970B1 - Dispositif d'organe d'agitation - Google Patents

Dispositif d'organe d'agitation Download PDF

Info

Publication number
EP3171970B1
EP3171970B1 EP15739257.2A EP15739257A EP3171970B1 EP 3171970 B1 EP3171970 B1 EP 3171970B1 EP 15739257 A EP15739257 A EP 15739257A EP 3171970 B1 EP3171970 B1 EP 3171970B1
Authority
EP
European Patent Office
Prior art keywords
stirring blade
stirring
blade
contour
curvature
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.)
Active
Application number
EP15739257.2A
Other languages
German (de)
English (en)
Other versions
EP3171970A1 (fr
Inventor
Wolfgang Keller
Nicole Rohn
Benjamin MULTNER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EKATO Ruehr und Mischtechnik GmbH
Original Assignee
EKATO Ruehr und Mischtechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EKATO Ruehr und Mischtechnik GmbH filed Critical EKATO Ruehr und Mischtechnik GmbH
Publication of EP3171970A1 publication Critical patent/EP3171970A1/fr
Application granted granted Critical
Publication of EP3171970B1 publication Critical patent/EP3171970B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • 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
    • 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
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • 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
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • 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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
    • B01F27/851—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts the receptacle being subdivided in adjacent compartments
    • 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
    • B01F2215/0422—Numerical values of angles

Definitions

  • the invention relates to an agitator device according to claim 1.
  • Stirring elements with several stirring blades for stirring, mixing, homogenizing, dispersing and/or suspending abrasive media are known.
  • Such a stirring element which discloses the preamble of claim 1, is, for example, from DE 199 52 748 A1 known wherein an axial web is provided on a blade tip of a stirring blade in order to shift a pressure compensation vortex around the blade tip from the pressure side to the suction side, whereby a wear mechanism is changed from impact wear to sliding wear.
  • the object of the invention is, in particular, to provide an agitator device with improved properties with regard to wear.
  • the object is achieved by the features of patent claim 1, while advantageous refinements and developments of the invention can be found in the subclaims.
  • a stirring element device in particular an axially conveying stirring element device, for stirring, mixing, homogenizing, dispersing and/or suspending, in particular abrasive media, preferably for ore processing, is proposed, with at least one stirring blade, which is intended to rotate about an axis of rotation, and with a contour unit, in particular designed differently from a coating, which becomes one Reduction of wear, in particular a reduction of impact and/or sliding wear, of the at least one stirring blade is provided.
  • the stirring element device advantageously has a plurality of stirring blades, preferably identical to one another, in particular at least two, preferably at least three and particularly preferably at least four stirring blades.
  • a stirring device In this context, in particular, at least one part and/or an assembly, in particular a subassembly, of an agitator, in particular an axially conveying agitator, is to be understood.
  • the stirring element device can also include the entire stirring element, in particular the entire axially conveying stirring element.
  • the stirring element is different from a propeller and/or fan wheel, in particular for conveying air.
  • the abrasive medium is preferably designed as a suspension.
  • At least one liquid component of the suspension is an acid, in particular sulfuric acid.
  • the abrasive medium has a high solids load, in particular ores, in particular ores containing nickel.
  • the stirring element device is designed in such a way that it can process such abrasive media, in particular by means of a special shape and/or a special material.
  • the at least one stirring blade is in particular at least essentially plate-like and preferably consists at least partially, preferably at least to a large extent and particularly preferably completely of an alloy and / or a metal, in particular stainless steel, duplex steel and / or advantageously titanium, in particular titanium with any Degrees, preferably with a degree of at least 2 and a maximum of 12.
  • the expression “at least to a large extent” is intended to mean in particular at least 50%, preferably at least 70% and particularly preferably at least 90%.
  • an “at least essentially plate-like” design of an object is to be understood as meaning a design of the object in which a minimal, in particular imaginary, cuboid that just envelops the object has a longest edge that is at least 2 times, preferably at least 5 -times and particularly advantageously at least 10 times as long as the shortest edge of the cuboid.
  • it defines at least one side of the at least one stirring blade, which is arranged in particular parallel to a smallest surface of the cuboid, and/or at least one side of the at least one stirring blade, which is in particular parallel to a central surface of the cuboid is arranged, a stirring blade edge of the at least one stirring blade.
  • the at least one stirring blade can in particular have a plurality of stirring blade edges, in particular an inner edge of the stirring blade, an outer edge of the stirring blade, a front edge of the stirring blade and/or a rear edge of the stirring blade.
  • at least one stirring blade edge in particular the stirring blade inner edge, the stirring blade outer edge, the stirring blade front edge and/or the stirring blade rear edge, has at least one beveled, multiple beveled, chamfered, multiple chamfered and/or preferably rounded area and particularly preferably several beveled, multiple beveled, chamfered, multiple chamfered and/or preferably rounded areas.
  • a “stirring blade inner edge” should be understood to mean, in particular, a stirring blade edge which, in particular in a mounted state and/or in at least one operating state, faces the axis of rotation.
  • a “stirring blade outer edge” is to be understood in particular to mean a stirring blade edge which, in particular in a mounted state and/or in at least one operating state, faces away from the axis of rotation.
  • a “stirring blade leading edge” should be understood to mean in particular an agitating blade edge which, in particular in a mounted state and/or in at least one operating state, faces a direction of rotation.
  • a “stirring blade trailing edge” should also be understood to mean, in particular, a stirring blade edge which, in particular in a mounted state and/or in at least one operating state, faces away from the direction of rotation. Furthermore, at least one side of the at least one stirring blade, which is arranged in particular parallel to a largest surface of the cuboid, defines a suction side and/or a pressure side of the at least one stirring blade.
  • a “suction side” of the at least one stirring blade should be understood to mean in particular a side which, in at least one operating state, is intended to suck in at least one fluid and/or abrasive medium, in particular in a direction facing the at least one stirring blade and/or stirring element.
  • a “pressure side” of the at least one stirring blade should be understood to mean in particular a side which, in at least one operating state, is intended to repel at least one fluid and/or abrasive medium, in particular in a direction facing away from the at least one stirring blade and/or stirring element.
  • the at least one stirring blade is at least substantially rectangular and/or trapezoidal, preferably with at least one rounded corner of the stirring blade, advantageously with at least two. preferably with at least three and particularly preferably with four rounded stirring blade corners.
  • an “at least substantially” rectangular and/or trapezoidal object in particular an object, is to be understood as meaning an object which is at most 40%, advantageously at most 30%, preferably at most 20% and particularly preferably at most 10% of a rectangular and/or trapezoidal object.
  • “Provided” is intended to mean, in particular, specifically designed and/or equipped. The fact that an object is intended for a specific function should be understood in particular to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
  • the stirring element device can in particular comprise at least one stirring element hub, which is intended in particular to accommodate at least one stirring shaft in at least one operating state and/or to be attached to the at least one stirring shaft.
  • the at least one stirring shaft defines in particular the axis of rotation.
  • the at least one stirring element hub can consist at least partially, preferably at least to a large extent and particularly preferably completely, of an alloy and/or a metal, in particular stainless steel, duplex steel and/or advantageously titanium.
  • the at least one stirring element hub advantageously consists of the same material as the at least one stirring blade.
  • the at least one agitator hub is formed in one piece and/or in several parts, in particular in two parts, preferably in four parts, particularly preferably with identical agitator hub parts.
  • the at least one stirring element hub can in particular have an additional fastening unit, such as at least one flange, be connected to the at least one stirring shaft and/or attached to the at least one stirring shaft.
  • “in one piece” should be understood to mean, in particular, at least materially connected.
  • the material bond can be produced, for example, by an adhesive process, a spraying process, a welding process, a soldering process and/or another process that appears sensible to a person skilled in the art.
  • the term “in one piece” should be understood to mean formed in one piece.
  • this one piece is made from a single blank and/or a casting.
  • the at least one stirring element hub serves in particular for direct and/or indirect attachment of the at least one stirring blade.
  • the at least one stirring blade is arranged in a mounted state on the at least one stirring element hub in such a way that the at least one stirring blade and/or the stirring blade outer edge of the at least one stirring blade is at least in a viewing direction perpendicular to the axis of rotation and/or in the direction of the outer edge of the stirring blade with the axis of rotation and/or a plane of rotation includes an angle, in particular a blade angle, between 5° and 85°, preferably between 10° and 80° and particularly preferably between 15° and 75°.
  • a “contour unit” is to be understood as meaning a geometric unit and/or a geometric shape of the at least one stirring blade, which is arranged, fastened and/or at least partially contacted on at least one surface and/or at least a partial region of the at least one stirring blade is.
  • the contour unit is intended to at least locally reduce, in particular substantially reduce, and/or prevent at least a pressure difference and/or a vortex shedding between two partial regions of the stirring element, preferably of the at least one stirring blade, in particular between the pressure side and the suction side .
  • the term “significantly reduce” is intended to mean, in particular, a reduction of at least 10%, advantageously of at least 20%, preferably of at least 30% and particularly preferably of at least 40%.
  • the contour unit and/or at least one element of the contour unit is arranged at a location at risk of abrasion.
  • a “point at risk of abrasion” should be understood to mean in particular a point, preferably facing the direction of rotation and/or the at least one stirring element hub, in particular a part and/or a region of the stirring element, preferably of the at least one stirring blade, the point in In a functional condition, particularly in comparison to other parts of the stirring element, it is exposed to increased wear.
  • the contour unit is arranged such that the at least one stirring blade is free of sharp edges.
  • the contour unit comprises at least one element which is designed differently from a wing end disk, a winglet and/or a fin.
  • all elements of the contour unit are designed differently from a wing end disk, a winglet and/or a fin.
  • an agitator element can be provided which, even with abrasive media with a high solids load and high stirring speeds, has low abrasive wear, in particular due to impact and/or sliding wear, whereby the service life and/or service life of the agitator element can be advantageously increased.
  • operating times particularly when stirring, mixing, homogenizing, dispersing and/or suspending, can be reduced and costs can be advantageously reduced through an optimized geometry of the stirring element.
  • the contour unit could be non-positively and/or positively connected to the at least one stirring blade.
  • the contour unit is preferably at least partially formed in one piece with the at least one stirring blade.
  • the phrase “at least partially in one piece” means in particular: It should be understood that at least one element of the contour unit and/or the contour unit is formed in one piece with at least one stirring blade element of the at least one stirring blade and/or the at least one stirring blade. In this way, a stable and reliable connection can be created.
  • components in particular can be reduced, with advantageously continuous transitions being created between the contour unit and the at least one stirring blade, whereby possible vortex formation points in particular can be advantageously reduced.
  • the contour unit comprises at least one contour curvature element, which is formed by a curved, in particular folded and/or preferably curved portion of the at least one stirring blade and has a smaller radius of curvature compared to at least one stirring blade curvature of the at least one stirring blade.
  • the at least one stirring blade can advantageously be designed in such a way that vortex shedding can be minimized and/or completely suppressed.
  • the at least one stirring blade can be flat.
  • the at least one stirring blade curvature of the at least one stirring blade has a radius of curvature of infinity.
  • the at least one stirring blade preferably has at least one stirring blade curvature with a radius of curvature between zero and infinity.
  • the at least one stirring blade curvature has a radius of curvature which corresponds to a value between 20% and 80%, preferably between 25% and 60% and particularly preferably between 30% and 40% of a stirring element diameter of the stirring element.
  • a “stirring element diameter” should be understood to mean, in particular, a diameter of the smallest imaginary circle which completely encompasses the stirring element.
  • the at least one stirring blade curvature is preferably designed such that the pressure side of the at least one stirring blade has a concave curvature and/or the suction side of the at least one stirring blade has a convex curvature.
  • the at least one stirring blade curvature has a bending axis and/or an axis of curvature, which is preferably at least substantially parallel to the leading edge of the stirring blade and/or the trailing edge of the stirring blade.
  • At least essentially parallel is intended to mean, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, with the direction having a deviation from the reference direction, in particular less than 8°, advantageously less than 5° and particularly advantageously less than 2°.
  • a “smaller radius of curvature” is to be understood in particular as meaning a radius of curvature which, in comparison to a reference radius of curvature, is smaller by at least 1%, advantageously by at least 5%, preferably by at least 10% and particularly preferably by at least 20%.
  • the at least one contour curvature element is curved in the same direction as the at least one stirring blade curvature, in particular in the direction of the pressure side. This allows a continuous flow of fluid, in particular of the abrasive medium, to be generated, whereby vortex shedding can be further reduced.
  • the at least one contour curvature element has a radius of curvature which corresponds to a value between 3% and 35%, preferably between 5% and 15%, of a stirring element diameter, in particular of the stirring element, a geometric design can be optimized and, in particular, abrasive wear phenomena can be further reduced.
  • the at least one contour curvature element is arranged at least substantially on a stirring blade front edge of the at least one stirring blade and/or on a stirring blade outer edge of the at least one stirring blade.
  • the fact that an object is arranged “at least essentially” on a stirring blade edge should be understood in particular to mean that the object is arranged in a close area of the respective stirring blade edge.
  • a “close range” is to be understood in particular as a spatial area whose points deviate from a reference point by a maximum of 10%, preferably by a maximum of 5% and particularly preferably by a maximum of 1% of an agitator element diameter. In this way, a geometric design of the stirring element can be further optimized in a simple manner.
  • the at least one contour curvature element has a bending axis which, in the direction of view along the axis of rotation with a leading edge of the stirring blade of the at least one stirring blade, in a direction of rotation of the at least one stirring blade after the leading edge of the stirring blade, angles between 15 ° and 75 ° and preferably between 20 ° and 50 ° includes.
  • the phrase “in a direction of rotation of the at least one stirring blade after the front edge of the stirring blade” is intended to be understood in particular in an area of the stirring element which is in particular free of the at least one stirring blade. This allows a fluid flow to be further smoothed, which can reduce vortex shedding.
  • the contour unit comprises at least one contour edge element, which is formed at least partially, preferably at least to a large extent and particularly preferably completely, by an outer edge of the stirring blade of the at least one stirring blade and at least essentially in a viewing direction parallel to the axis of rotation along a circumferential direction is designed in the shape of a circular arc, with a center of the arc lying on the axis of rotation.
  • the expression “at least essentially circular arc-shaped” is intended to mean in particular an object which differs from a circular arc shape by a maximum of 20%, advantageously a maximum of 10%, preferably a maximum of 5% and particularly preferably a maximum 1% differs.
  • the at least one contour edge element and/or the outer edge of the stirring blade of the at least one stirring blade describes and/or defines in particular one during a complete rotation of the stirring blade Circle, especially in a viewing direction parallel to the axis of rotation.
  • the stirring element is, in particular completely, concentric. In this way, a particularly uniform flow behavior can be achieved and thus advantageously a wear mechanism can be reduced.
  • the at least one stirring blade could in particular be attached directly and/or directly to the at least one stirring element hub.
  • the contour unit preferably comprises at least one, preferably exactly one, blade connection element which connects the at least one stirring blade to the at least one stirring element hub.
  • the at least one sheet connection element is in particular free of sharp edges.
  • the at least one blade connection element is preferably formed in one piece with the at least one stirring blade and/or with the at least one stirring blade hub.
  • the at least one blade connection element is designed as a blade holding element and, in particular in an assembled state, is at least partially and / or completely non-positively and / or positively, such as in particular by a screw connection and / or a plug connection, with the at least one stirring blade and / or is connected to the at least one stirring blade hub.
  • the at least one blade connection element consists at least partially, preferably at least to a large extent and particularly preferably completely, of an alloy and/or a metal, in particular stainless steel, duplex steel and/or advantageously titanium.
  • the at least one blade connection element consists of the same material as the at least one stirring blade and/or the at least one stirring element hub. In this way, an advantageous connection of the at least one stirring blade to the at least one stirring element hub without vortex shedding can be achieved.
  • the at least one blade connection element forms an angle with the axis of rotation between 10° and 80°, preferably between 30° and 80° and particularly preferably between 50° and 80°.
  • the at least one stirring blade is preferably on the at least one blade connection element arranged and / or connected to the at least one blade connection element, that the at least one stirring blade encloses the same angle with the axis of rotation as the at least one blade connection element.
  • the at least one stirring blade is arranged on the at least one blade connection element and/or is connected to the at least one blade connection element in such a way that the at least one stirring blade encloses an angle with the axis of rotation that is different from the at least one blade connection element.
  • the at least one blade connection element forms an angle of 90° with the axis of rotation.
  • the at least one stirring blade could in particular be arranged in such a way that the at least one stirring blade encloses an angle with the axis of rotation between 10° and 80°, preferably between 30° and 80° and particularly preferably between 50° and 80°.
  • the at least one sheet connection element can be designed as any sheet connection element that appears sensible to a person skilled in the art, in particular as a sheet holding element.
  • the at least one blade connection element is at least essentially designed as a rod-shaped spar, with a material thickness decreasing in the direction of an outer edge of the agitator blade of the at least one agitator blade.
  • the phrase “at least essentially as a rod-shaped spar” is intended to mean, in particular, a design of an object which deviates from a rod-shaped spar with a volume fraction of a maximum of 50%, preferably a maximum of 30% and particularly preferably a maximum of 10%.
  • the at least one blade connection element is in particular arranged such that a main extension direction of the at least one blade connection element runs at least substantially parallel to a leading edge of the stirring blade and/or a trailing edge of the stirring blade.
  • a “main extension direction” of the at least one sheet connection element is to be understood in particular as a direction which is perpendicular to a base surface of a smallest geometric, in particular an imaginary cylinder, which just completely encloses the at least one sheet connection element. In this way, the flow behavior of the abrasive medium in particular can be further optimized.
  • the at least one blade connection element extends at least substantially parallel along a leading edge of the stirring blade of the at least one stirring blade.
  • the at least one blade connection element is arranged such that the at least one blade connection element is flush with the stirring blade front edge of the at least one stirring blade. In this way, possible vortex shedding in particular can be advantageously reduced and/or prevented.
  • a system in particular an ore processing system, with at least one, in particular horizontally arranged container, in particular a pressure container, preferably an autoclave, in particular for holding an abrasive medium, and with at least one stirring element device arranged in the at least one container is proposed.
  • the stirring element device preferably has an axis of rotation, which is arranged in particular perpendicular to a, in particular horizontally arranged, container axis and/or the container.
  • the system can also include a plurality of stirring element devices, wherein at least two and/or at least three stirring element devices can each be arranged and/or fastened next to one another on a separate stirring shaft, in particular in at least one operating state, and/or on a, in particular common, stirring shaft, in particular in can be arranged one above the other and/or fastened in at least one operating state.
  • a separate stirring shaft in particular in at least one operating state
  • stirring shaft in particular in can be arranged one above the other and/or fastened in at least one operating state.
  • partially permeable, in particular fluid-permeable, in particular horizontally and/or vertically arranged partition walls can be arranged between the respective stirring element devices, whereby in particular a continuous stirring process can be achieved.
  • the system can in particular comprise at least one partition and/or the abrasive medium, in particular located in the container.
  • stirring element device which is advantageously adapted to a geometry of the container, whereby in particular container corners and/or container edges can advantageously be easily reached.
  • the stirring element device should not be limited to the application and embodiment described above.
  • the stirring element device can have a number of individual elements, components and units that deviate from the number mentioned herein.
  • the Figures 1 to 3 show a stirring element 42 designed as an axial stirrer in a fully assembled state in a perspective view (cf. Figure 1 ), in a top view (cf. Figure 2 ) and in a side view (cf. Figure 3 ).
  • the stirring element 42 comprises an axially conveying stirring element device.
  • the stirring element device is intended for stirring, mixing, homogenizing, dispersing and/or suspending abrasive media, in particular fluids and/or solids.
  • the agitator device is made entirely of grade 12 titanium.
  • the agitator device has an agitator hub 40.
  • the agitator hub 40 is formed in one piece. Alternatively, however, it is also conceivable to design an agitator hub in several parts.
  • the agitator hub 40 is intended to accommodate an agitator shaft (not shown) in at least one operating state.
  • the agitator hub 40 is intended to attach the agitator device axially to the agitator shaft.
  • An orientation of the stirring shaft defines an axis of rotation 12 of the stirring element device.
  • the stirring element device includes four stirring blades 10.
  • the stirring blades 10 are identical.
  • the stirring blades 10 are indirectly attached to the stirring element hub 40.
  • the stirring blades 10 are arranged at a distance from the stirring element hub 40.
  • the stirring blades 10 are arranged at angular distances of 90° from one another.
  • the stirring blades 10 are arranged on the stirring element hub 40 in such a way that the stirring blades 10 enclose an angle ⁇ of approximately 45° with the axis of rotation 12 (cf. in particular Figure 3 ).
  • an agitator device could have three stirring blades, which are arranged in particular at angular distances of 120 ° from one another, and / or two stirring blades, which are in particular arranged at angular distances of 180 ° from one another.
  • the following is just an embodiment of one of the Stirring blades 10 are described, whereby the description can be adopted for the other stirring blades 10, in particular of identical design to one another.
  • the stirring blade 10 is designed like a plate.
  • the stirring blade 10 has an at least essentially constant material thickness.
  • the stirring blade 10 is at least essentially rectangular in plan view (cf. in particular Figure 2 ).
  • the stirring blade 10 has four rounded stirring blade corners in the top view.
  • the stirring blade 10 has a stirring blade front edge 22, an stirring blade outer edge 24, a stirring blade rear edge 26 and an stirring blade inner edge 28. All edges of the stirring blade front edge 22, the stirring blade outer edge 24, the stirring blade rear edge 26 and the stirring blade inner edge 28 are rounded.
  • the stirring blade 10 has a suction side 46 and a pressure side 48 opposite the suction side 46.
  • the stirring blade 10 has a stirring blade curvature 18.
  • the stirring blade curvature 18 corresponds to a first crowning of the stirring blade 10.
  • a radius of curvature of the stirring blade curvature 18 corresponds to approximately 36% of an agitator element diameter 20.
  • the stirring blade curvature 18 has a bending axis 50, which is arranged parallel to the stirring blade front edge 22.
  • the stirring blade curvature 18 is curved in the direction of the pressure side 48.
  • the stirring blade 10 has a concave pressure side 48 and a convex suction side 46.
  • the stirring blade 10 is intended to rotate about the axis of rotation 12 in order to homogenize and/or disperse an abrasive medium, in particular a suspension of sulfuric acid and nickel ore.
  • the front edge of the stirring blade 22 faces a direction of rotation 52.
  • the stirring element device has at least one contour unit 14.
  • the stirring element device has four contour units 14 which are identical to one another. Each contour unit 14 is assigned to one of the stirring blades 10. In the following, the description is again limited to just one of the contour units 14.
  • the contour unit 14 includes a contour curvature element 16.
  • the contour curvature element 16 is formed by a curved portion of the stirring blade 10.
  • the contour curvature element 16 is designed as a geometric shape of the stirring blade 10. Accordingly, the contour curvature element 16 is formed in one piece with the stirring blade 10.
  • the contour curvature element 16 corresponds to a second crowning of the stirring blade 10.
  • the contour curvature element 16 is arranged at a point at risk of abrasion. In the present case, the contour curvature element 16 is arranged in a close area of the stirring blade corner, at which the stirring blade front edge 22 and the stirring blade outer edge 24 meet.
  • the contour curvature element 16 has a radius of curvature.
  • the radius of curvature of the contour curvature element 16 is smaller than the radius of curvature of the stirring blade curvature 18.
  • the radius of curvature of the contour curvature element 16 corresponds to 10% of the stirring element diameter 20.
  • the contour curvature element 16 has a bending axis 30, which, when viewed in the direction of rotation along the axis of rotation 12, is connected to the front edge of the stirring blade 22 of the stirring blade 10 includes an angle ⁇ of approximately 30°.
  • the contour curvature element 16 is curved in the same direction as the stirring blade curvature 18.
  • the contour unit 14 includes a contour edge element 32.
  • the contour edge element 32 is formed by the outer edge 24 of the stirring blade 10.
  • the contour edge element 32 is designed as a geometric shape of the stirring blade 10. Accordingly, the contour edge element 32 is formed in one piece with the stirring blade 10.
  • the contour edge element 32 is arranged at a point at risk of abrasion.
  • the contour edge element 32 is designed in the shape of a circular arc, at least in a viewing direction parallel to the axis of rotation 12 along a circumferential direction 34, with a center point 36 of a circular arc located on the axis of rotation 12.
  • the contour edge element 32 is designed in such a way that the outer edge of the stirring blade 24 and/or the stirring element 42 are in describes a circle in an operating state. The diameter of this circle corresponds to the stirring element diameter 20.
  • the contour unit 14 includes a blade connection element 38.
  • the blade connection element 38 is intended to connect the stirring blade 10 to the stirring element hub 40.
  • the blade connection element 38 is attached to the agitator hub 40 on the one hand and to the agitator blade 10 on the other hand.
  • the blade connection element 38 is formed in one piece with the agitator hub 40.
  • the blade connection element 38 is formed in one piece with the stirring blade 10.
  • the stirring blade 10 is attached centrally, in particular halfway up the blade connecting element 38, to the blade connecting element 38.
  • all other fastening options that appear sensible to a person skilled in the art are also conceivable.
  • a blade connection element could be completely dispensed with, so that an agitator blade is attached in particular directly to an agitator hub.
  • the blade connection element 38 is designed as a rod-shaped spar.
  • the blade connection element 38 extends parallel along the front edge of the stirring blade 22.
  • the blade connection element 38 is arranged such that the blade connection element 38 is flush with the front edge 22 of the stirring blade.
  • the blade connection element 38 forms an angle ⁇ of approximately 75° with the axis of rotation 12 (cf. in particular Figure 3 ).
  • the stirring blade 10 forms the same angle with the axis of rotation 12. Accordingly, the stirring blade 10 forms an angle of approximately 75° with the axis of rotation 12.
  • the material thickness of the blade connection element 38 decreases in the direction of the outer edge 24 of the stirring blade.
  • the sheet connection element 38 comprises at least essentially four subregions. In a first portion facing the agitator hub 40, the blade connection element 38 is cylindrical. In the first subregion, a material thickness of the blade connection element 38 corresponds to a maximum material thickness of the blade connection element 38. The maximum material thickness corresponds to approximately 5 times the material thickness of the stirring blade 10. In a second subregion, which in particular directly adjoins the first subregion, the blade connection element 38 tapers on a first side facing the suction side 46.
  • the material thickness of the sheet connection element 38 decreases continuously, in particular linearly. At one end of the second portion, the blade connection element 38 merges flush into the stirring blade 10 on the first side. At the end of the second partial area, the material thickness of the blade connection element 38 corresponds to approximately 3 times the material thickness of the stirring blade 10. In a third partial area, which in particular directly adjoins the second partial area, the blade connection element 38 is at least essentially semi-cylindrical in shape. In the third sub-area, the material thickness of the blade connection element 38 corresponds to approximately three times the material thickness of the stirring blade 10. In a fourth sub-area, which in particular directly adjoins the third sub-area, the blade connection element 38 tapers on a second side facing the pressure side 48.
  • the material thickness of the sheet connection element 38 decreases continuously, in particular linearly. At one end of the fourth section, the blade connection element 38 merges flush into the stirring blade 10 on the second side. At the end of the fourth section, the material thickness of the blade connection element 38 corresponds to a minimum material thickness of the blade connection element 38. The minimum material thickness corresponds to the material thickness of the stirring blade 10.
  • FIG 4 shows an exemplary system for ore processing with a horizontally arranged container 44 designed as an autoclave and several stirring elements 42 arranged in the container 44.
  • the container 44 is divided into three container areas by two fluid-permeable partitions 54.
  • the stirring elements 42 are designed identically in the present case.
  • the stirring elements 42 correspond to the stirring element 42 from the Figures 1 to 3 .
  • each of the stirring elements 42 has a stirring element device according to the invention.
  • the stirring elements 42 are arranged in the container 44 in such a way that the respective axis of rotation 12 is arranged perpendicular to a horizontally arranged container axis.
  • the system comprises four stirring elements 42.
  • a first stirring element 42 of the four stirring elements 42 is arranged in a first container area.
  • the first stirring element 42 is arranged on a first stirring shaft.
  • a multi-stage stirrer 56 is arranged in the second container area.
  • the multi-stage stirrer 56 has two stages.
  • the multi-stage stirrer 56 includes a second stirring element 42 of the four stirring elements 42 and a third stirring element 42 of the four stirring elements 42.
  • the second stirring element 42 and the third stirring element 42 are arranged on a second, in particular common, stirring shaft.
  • a fourth stirring element 42 of the four stirring elements 42 is arranged in a third container area.
  • the fourth stirring element 42 is arranged on a third stirring shaft.
  • the abrasive medium is arranged in the container 44 (not shown).
  • the abrasive medium is designed as a suspension with a high solids load.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)

Claims (12)

  1. Dispositif d'organe d'agitation, en particulier dispositif d'organe d'agitation à convoyage axial, pour remuer, mélanger, homogénéiser, disperser et/ou suspendre, en particulier des agents abrasives,
    avec au moins une pale agitatrice (10) prévue pour tourner autour d'un axe rotatif (12) et
    avec une unité de contour (14) qui est prévue pour une réduction d'usure de l'au moins une pale agitatrice (10), qui est réalisée comme unité géométrique et/ou façonnage géométrique de l'au moins une pale agitatrice (10) et qui est disposée et/ou fixée sur et/ou au moins partiellement en contact avec au moins une surface et/ou au moins une portion de l'au moins une pale agitatrice (10),
    l'unité de contour (14) et/ou au moins un élément de l'unité de contour (14) étant disposés/disposée/disposé à un endroit en danger d'abrasion,
    l'unité de contour (14) comprenant au moins un élément de courbure-contour (16) formé par une portion courbée de l'au moins une pale agitatrice (10) et ayant un rayon plus petit qu'au moins une courbure pale agitatrice (18) de l'au moins une pale agitatrice (10),
    caractérisé en ce que l'au moins un élément de courbure-contour (16) comprend un axe de pliage (30) qui en direction de vue le long de l'axe rotatif (12) inclut un angle γ entre 15° et 75° avec un bord antérieur de pale agitatrice (22) de l'au moins une pale agitatrice (10) dans une direction de rotation (52) de l'au moins une pale agitatrice (10) après le bord antérieur de pale agitatrice (22).
  2. Dispositif d'organe d'agitation selon la revendication 1,
    caractérisé en ce que l'unité de contour (14) est réalisée au moins partiellement intégralement avec l'au moins une pale agitatrice (10).
  3. Dispositif d'organe d'agitation selon la revendication 1 ou 2,
    caractérisé en ce que l'au moins un élément de courbure-contour (16) est courbé dans la même direction comme l'au moins une courbure pale agitatrice (18).
  4. Dispositif d'organe d'agitation selon l'une des revendications précédentes, caractérisé en ce que l'au moins un élément de courbure-contour (16) comporte un rayon de courbure équivalent à une valeur entre 3 % et 35 % d'un diamètre d'organe d'agitation (20).
  5. Dispositif d'organe d'agitation selon l'une des revendications précédentes, caractérisé en ce que l'au moins un élément de courbure-contour (16) est au moins sensiblement disposé sur un bord antérieur de pale agitatrice (22) de l'au moins une pale agitatrice (10) et/ou sur un bord extérieur de pale agitatrice (24) de l'au moins une pale agitatrice (10).
  6. Dispositif d'organe d'agitation selon l'une des revendications précédentes, caractérisé en ce que l'unité de contour (14) comprend au moins un élément de bord-contour (32) qui est formé au moins partiellement par un bord extérieur de pale agitatrice (24) de l'au moins une pale agitatrice (10) et est formé - au moins dans une direction de vue en parallèle à l'axe rotatif (12) le long d'une direction circonférentielle (34) - au moins sensiblement en forme d'arc de cercle, avec un centre de l'arc de cercle (36) situé sur l'axe rotatif (12).
  7. Dispositif d'organe d'agitation selon l'une des revendications précédentes, caractérisé en ce que l'unité de contour (14) comprend au moins un élément à liaison de pale (38) liant l'au moins une pale agitatrice (10) avec au moins un moyeu d'organe d'agitation (40).
  8. Dispositif d'organe d'agitation selon la revendication 7,
    caractérisé en ce que l'au moins un élément à liaison de pale (38) inclut un angle β entre 10° et 80° avec l'axe rotatif (12).
  9. Dispositif d'organe d'agitation selon la revendication 7 ou 8,
    caractérisé en ce que l'au moins un élément à liaison de pale (38) est réalisé au moins sensiblement comme barre en forme de tige,
    une épaisseur de matériau décroissant vers un bord extérieur de pale agitatrice (24) de l'au moins une pale agitatrice (10).
  10. Dispositif d'organe d'agitation selon l'une des revendications 7 à 9,
    caractérisé en ce que l'au moins un élément à liaison de pale (38) s'étend au moins sensiblement en parallèle le long d'un bord antérieur de pale agitatrice (22) de l'au moins une pale agitatrice (10).
  11. Organe d'agitation, en particulier agitateur axial, avec au moins un dispositif d'organe d'agitation selon l'une des revendications précédentes.
  12. Système avec au moins un récipient (44) et avec au moins un dispositif d'organe d'agitation selon l'une des revendications 1 à 10 qui est disposé dans l'au moins un récipient (44).
EP15739257.2A 2014-07-25 2015-07-16 Dispositif d'organe d'agitation Active EP3171970B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014110542.7A DE102014110542A1 (de) 2014-07-25 2014-07-25 Rührorganvorrichtung
PCT/EP2015/066315 WO2016012348A1 (fr) 2014-07-25 2015-07-16 Système d'organe d'agitation

Publications (2)

Publication Number Publication Date
EP3171970A1 EP3171970A1 (fr) 2017-05-31
EP3171970B1 true EP3171970B1 (fr) 2023-10-04

Family

ID=53682698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15739257.2A Active EP3171970B1 (fr) 2014-07-25 2015-07-16 Dispositif d'organe d'agitation

Country Status (8)

Country Link
US (1) US10493411B2 (fr)
EP (1) EP3171970B1 (fr)
JP (1) JP6630683B2 (fr)
AU (1) AU2015294096B2 (fr)
CA (1) CA2955755C (fr)
DE (1) DE102014110542A1 (fr)
FI (1) FI3171970T3 (fr)
WO (1) WO2016012348A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2860465T3 (es) * 2014-04-04 2021-10-05 Milton Roy Europe Móvil de agitación
DE102014110542A1 (de) * 2014-07-25 2016-01-28 EKATO Rühr- und Mischtechnik GmbH Rührorganvorrichtung
DE102016115046A1 (de) * 2016-08-12 2018-02-15 EKATO Rühr- und Mischtechnik GmbH Rührvorrichtung und Verfahren
KR102149112B1 (ko) * 2019-12-06 2020-08-27 노준혁 임펠러와 블레이드를 이용한 음식물 쓰레기 처리기
KR102174076B1 (ko) * 2019-12-06 2020-11-04 노준혁 음식물 쓰레기 처리기용 교반 날개
CN111068532B (zh) * 2019-12-11 2021-05-14 杭州三得农业科技有限公司 一种复合能态多功能湍流乳化机
CN111359470A (zh) * 2020-03-23 2020-07-03 中国十七冶集团有限公司 一种墙体涂料用混合装置及其使用方法
US11635081B2 (en) * 2020-07-28 2023-04-25 Hunter Fan Company Ceiling fan blade
KR102419964B1 (ko) * 2020-08-20 2022-07-14 (주)디포인덕션 전자동 입체 교반 시스템이 구비된 반구형 조리기구
CN112263956B (zh) * 2020-10-22 2021-08-27 江西省天玉油脂有限公司 一种利用茶粕生产茶皂素的提取装置
CN113562871B (zh) * 2021-06-23 2024-07-19 福建聚誉环保科技有限公司 一种高效净水系统
JP7287726B2 (ja) * 2021-09-22 2023-06-06 阪和化工機株式会社 撹拌構造体

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952748A1 (de) * 1999-11-02 2001-05-03 Ekato Ruehr Mischtechnik Propeller für Rührwerke

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2103732B2 (de) * 1971-01-27 1973-02-08 Mischerschaufel mit verschleisschutz fuer baustoffmischmaschinen
DE3013663C2 (de) * 1980-04-09 1983-03-31 BHS-Bayerische Berg-, Hütten- und Salzwerke AG, 8000 München Mischarm
JPS5924342Y2 (ja) * 1981-02-03 1984-07-19 新東科学株式会社 撹拌羽根
US4468130A (en) * 1981-11-04 1984-08-28 General Signal Corp. Mixing apparatus
JPH0222032Y2 (fr) * 1985-03-18 1990-06-13
US4721394A (en) * 1985-06-24 1988-01-26 Pro-Quip, Inc. Mixing blade construction
US4802771A (en) * 1986-03-31 1989-02-07 General Signal Corp. Mixing apparatus
US4896971A (en) * 1987-03-26 1990-01-30 General Signal Corporation Mixing apparatus
US5112192A (en) * 1990-07-26 1992-05-12 General Signal Corporation Mixing impellers and impeller systems for mixing and blending liquids and liquid suspensions having a wide range of viscosities
FI96184C (fi) * 1991-11-12 1996-05-27 Ahlstroem Oy Menetelmä ja laite fluidien sekoittamiseksi
DE4401596A1 (de) * 1994-01-20 1995-07-27 Ekato Ruehr Mischtechnik Rührorgan
JP2931256B2 (ja) * 1995-11-01 1999-08-09 神鋼パンテツク株式会社 軸流型撹拌翼
US5951162A (en) * 1997-03-14 1999-09-14 General Signal Corporation Mixing impellers and impeller systems for mixing and blending liquids and liquid suspensions having efficient power consumption characteristics
US6250797B1 (en) * 1998-10-01 2001-06-26 General Signal Corporation Mixing impeller system having blades with slots extending essentially all the way between tip and hub ends thereof which facilitate mass transfer
DE29923600U1 (de) * 1999-11-02 2000-11-23 Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim Propeller für Rührwerke
DE10006253A1 (de) * 2000-02-11 2001-08-16 Ekato Ruehr Mischtechnik Rührvorrichtung
DE20306759U1 (de) * 2003-05-02 2003-07-24 U.T.S. Umwelt-Technik-Süd GmbH, 84419 Obertaufkirchen Biogasanlagen-Tauchmotorrührgerät
DE20307199U1 (de) * 2003-05-08 2003-07-10 Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim Rührorgan
US7168641B2 (en) * 2004-08-31 2007-01-30 Spx Corporation Attrition scrubber apparatus and method
DE202006007423U1 (de) * 2006-05-09 2007-09-13 EKATO Rühr- und Mischtechnik GmbH Rührorgan
JP5106368B2 (ja) * 2008-12-15 2012-12-26 株式会社クボタ 羽根車の芯材、羽根車及び撹拌機
FI121621B (fi) * 2009-03-11 2011-02-15 Outotec Oyj Sekoitin lietteen sekoittamiseksi metallurgisissa prosesseissa
JP2012005912A (ja) * 2010-06-22 2012-01-12 Nippon Catalyst Cycle Kk 耐摩耗性を有する撹拌翼
DE102014110542A1 (de) * 2014-07-25 2016-01-28 EKATO Rühr- und Mischtechnik GmbH Rührorganvorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952748A1 (de) * 1999-11-02 2001-05-03 Ekato Ruehr Mischtechnik Propeller für Rührwerke

Also Published As

Publication number Publication date
US20170197190A1 (en) 2017-07-13
WO2016012348A1 (fr) 2016-01-28
AU2015294096A1 (en) 2017-02-16
AU2015294096B2 (en) 2020-04-23
CA2955755C (fr) 2023-03-28
JP6630683B2 (ja) 2020-01-15
CA2955755A1 (fr) 2016-01-28
US10493411B2 (en) 2019-12-03
EP3171970A1 (fr) 2017-05-31
JP2017523906A (ja) 2017-08-24
FI3171970T3 (fi) 2024-01-03
DE102014110542A1 (de) 2016-01-28

Similar Documents

Publication Publication Date Title
EP3171970B1 (fr) Dispositif d'organe d'agitation
EP0112932B1 (fr) Ventilateur radial avec des aubes profilées courbées en arrière
DE2411225C3 (de) Luftfördereinrichtung an einem Kühler für Brennkraftmaschinen
DE69108621T2 (de) Mischerlaufrad mit hohem wirkungsgrad.
EP3288674B1 (fr) Système d'organe d'agitation
EP3261755B1 (fr) Système d'organe d'agitation, agitateur et pox-autoclave
EP1891334B9 (fr) Pompe centrifuge
EP1475145B1 (fr) Agitateur
DE102005017575A1 (de) Drehkolbenpumpe mit einem Pumpengehäuse und zwei zweiflügeligen Drehkolben
DE202011000439U1 (de) Vordüse für ein Antriebssystem eines Wasserfahrzeuges zur Verbesserung der Energieeffizienz
EP3498365B1 (fr) Dispositif formant organe d'agitation
EP3478389B1 (fr) Filtre de retrolavage
EP0664155B1 (fr) Agitateur
DE19722353A1 (de) Kreiselpumpe mit einer Einlaufleiteinrichtung
WO2008135225A1 (fr) Organe d'agitation pour milieux abrasifs
DE19539162C2 (de) Radialrad für eine geschlossene Kreiselpumpe
EP3592987B1 (fr) Carter semi-hélicoïdal
DE102006058969A1 (de) Gestanzte Statorschaufeln für den Stator eines Drehmomentwandlers und Stator mit gestanzten Schaufeln für einen Drehmomentwandler
DE102005015534B3 (de) Vorrichtung zur Reinigung von Behältern
EP3386619B1 (fr) Mélangeur
EP2321398B9 (fr) Cuve à maische pour la fabrication de bière et malaxeur pour cuve à maische
EP2480321B1 (fr) Élément de malaxage à effet axial
EP3887029B1 (fr) Rotor pour un dispositif destiné à mélanger de la poudre et du liquide, et dispositif pour mélanger de la poudre et du liquide
WO2016156043A1 (fr) Dispositif ventilateur avec sorties principale et auxiliaire dans le boîtier
WO2023088870A1 (fr) Carénage de ventilateur et ventilateur de radiateur pour un véhicule à moteur, le ventilateur de radiateur ayant un carénage de ventilateur

Legal Events

Date Code Title Description
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: 20170220

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
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: 20201026

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 502015016623

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: B01F0007000000

Ipc: B01F0027051000

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: B01F0007000000

Ipc: B01F0027051000

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 27/85 20220101ALI20230328BHEP

Ipc: B01F 27/191 20220101ALI20230328BHEP

Ipc: B01F 27/113 20220101ALI20230328BHEP

Ipc: B01F 27/051 20220101AFI20230328BHEP

INTG Intention to grant announced

Effective date: 20230424

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: 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: DE

Ref legal event code: R096

Ref document number: 502015016623

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: 20231004

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: 20231004

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: 20240105

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: 20240204

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: 20231004

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: 20231004

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: 20231004

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: 20240204

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: 20240105

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: 20231004

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: 20240104

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: 20240205

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: 20231004

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: 20231004

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: 20231004

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: 20240104

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: 20231004

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: 20231004

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: 20231004

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

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: 20231004

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: 20231004

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

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: 20231004

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: 20231004

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: 20231004

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: 20231004

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: 20231004

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: 20231004

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: 20231004

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT