EP3171970A1 - Rührorganvorrichtung - Google Patents
RührorganvorrichtungInfo
- Publication number
- EP3171970A1 EP3171970A1 EP15739257.2A EP15739257A EP3171970A1 EP 3171970 A1 EP3171970 A1 EP 3171970A1 EP 15739257 A EP15739257 A EP 15739257A EP 3171970 A1 EP3171970 A1 EP 3171970A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stirring blade
- stirring
- contour
- stirrer
- 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.)
- Granted
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 233
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 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
- 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 a stirring device according to claim 1.
- stirrers with a plurality of stirring blades for stirring, mixing, homogenizing, dispersing and / or suspending abrasive media known.
- the object of the invention is in particular to provide an agitator device with improved properties in terms of wear.
- the object is solved by the features of patent claim 1, while advantageous embodiments and further developments of the invention can be taken from the subclaims.
- An agitator device in particular an axially-conveying agitator device, for stirring, mixing, homogenizing, dispersing and / or suspending, in particular of abrasive media, preferably for ore preparation, is proposed, with at least one stirring blade provided for this purpose about an axis of rotation rotate, and with a, in particular of a coating differently shaped contour unit, which is provided for a reduction in wear, in particular a reduction of an impact and / or sliding wear, the at least one stirring blade.
- the agitator 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. Under a "stirring" - -
- the agitator device may also comprise the entire agitator, in particular the entire axially-imparting agitator.
- the abrasive medium is preferably in the form of a suspension
- at least one liquid constituent of the suspension is given by an acid, in particular sulfuric acid Medium, a high solids loading, in particular ores, in particular nickel-containing ores,
- the stirring device is designed in this case, in particular by a special form and / or a special material to edit such abrasive media.
- the at least one stirring blade is in particular designed to be at least substantially plate-like and is preferably at least partially, preferably at least for the most part and most preferably entirely of an alloy and / or a metal, in particular stainless steel, duplex steel and / or advantageously titanium, in particular titanium an arbitrary degree, preferably with a degree of at least 2 and at most 12.
- At least to a large extent is to be understood in particular as meaning at least 50%, preferably at least 70% and particularly preferably at least 90% a "at least substantially plate-like" configuration of an object, in particular a configuration of the object are understood in which a minimal, the object just still enveloping, in particular imaginary cuboid has a longest edge, at least 2 times, preferably at least 5 times and especially advantageous at least 10 times as long as a shortest edge of the cuboid.
- at least one side of the at least one stirring blade which is arranged in particular parallel to a smallest area of the cuboid, and / or at least one side of the at least one stirring blade, which is in particular parallel to a central area of the square.
- the at least one stirring blade can in particular have a plurality of stirring blade edges, in particular a stirring blade inner edge, a stirring blade outer edge, a stirring blade leading edge and / or a stirring blade trailing edge.
- At least one stirring blade edge, in particular the stirring blade inner edge, the stirring blade outer edge, the stirring blade leading edge and / or the stirring blade trailing edge advantageously has at least one chamfered, multiple chamfered, chamfered, multiple chamfered and / or preferably rounded region and particularly preferably several chamfered, multiple chamfered, chamfered , multiple beveled and / or preferably rounded areas.
- a “blade edge” should be understood to mean, in particular, a blade edge which faces the axis of rotation, in particular in an assembled state and / or in at least one operating state / or is remote in at least one operating state of the axis of rotation.
- a “stirring blade leading edge” is to be understood as meaning in particular a stirring blade edge, which faces a direction of rotation, in particular in an assembled state and / or in at least one operating state Condition and / or averted in at least one operating state of the direction of rotation.
- 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 is provided in at least one operating state to suck 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 in particular be understood to mean a side which, in at least one operating state, is intended to repel at least one fluid and / or abrasive medium, in particular - -
- the at least one stirring blade in a plan view, in particular in a viewing direction perpendicular to the pressure side and / or the suction side of the at least one stirring blade, at least substantially rectangular and / or trapezförmig formed, preferably with at least one rounded Rlickblattecke, advantageously with at least two, preferably with at least three and more preferably with four rounded Rlickblattecken.
- an "at least essentially" rectangular and / or trapezoidal object in particular an object, should be understood to mean at most 40%, advantageously at most 30%, preferably at most 20%, and most preferably at most 10% from a rectangular and / or trapezoidal object.
- Provided is to be understood in particular to be specially designed and / or equipped.
- the fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
- the agitator device can in particular comprise at least one agitator inlet, which is in particular provided to receive at least one agitator shaft in at least one operating state and / or to be fastened to the at least one agitator shaft.
- the at least one stirring shaft defines in particular the axis of rotation.
- the at least one agitator can at least partially, preferably at least for the most part and particularly preferably completely, consist of an alloy and / or a metal, in particular stainless steel, duplex steel and / or advantageously titanium.
- the at least one Rlickorgannabe made of the same material as the at least one stirring blade.
- the at least one Rlickorgannabe is formed in one piece and / or in several parts, in particular two parts, preferably four parts, particularly preferably with identical Rlickorgannaben former.
- the at least one Rlickorgannabe particular via an additional fastening unit, such as, for example, at least one flange, - -
- the at least one agitating hub serves in particular for the direct and / or indirect attachment of the at least one stirring blade Agitating blade in an assembled state arranged on the at least one Rownorgannabe such that the at least one stirring blade and / or the outer edge of the stirring blade at least one Rlickblatts at least in a viewing direction perpendicular to the axis of rotation and / or in the direction of Rrock- blattau combinkan te with the axis of rotation and / or a plane of rotation an angle, in particular a blade angle, between 5 ° and 85 °
- a "contour unit” should be understood as meaning in particular a geometric unit and / or a geometric shape, preferably the at least one stirring blade, which is arranged in particular on at least one surface and / or at least one subregion of the at least one stirring blade
- the contour unit is provided for at least one pressure difference and / or vortex shedding between two partial areas of the stirring element, preferably of the at least one stirring blade, in particular between the pressure side and the suction side, at least locally
- substantially reduce should be understood to mean, in particular, a reduction of at least 10%, advantageously at least 20%, preferably at least 30% and particularly preferably at least 40% become.
- contour unit and / or at least one element of the contour unit thereby arranged at an abrasionsgefährdeten place.
- a "site susceptible to abrasion” is to be understood as meaning, in particular, a part and / or a region of the stirring element, preferably of the at least one stirring blade, preferably the direction of rotation and / or the at least one stirring orifice
- the contour unit is preferably arranged in such a way that the at least one stirring blade is free of sharp edges. which is differently formed by a winglet, a winglet and / or a fin, Preferably, all elements of the contour unit are differently formed by a winglet, a winglet and / or a fin.
- an agitator device with improved properties can be provided with regard to wear, it being possible to advantageously suppress a wear mechanism, in particular without impairing the efficiency of the agitation system.
- an agitation system can be provided which has low abrasive wear phenomena, especially by impact and / or sliding wear, even in the case of abrasive media with high solids loading and high stirring speeds, whereby a service life and / or service life of the agitation system can advantageously be increased.
- maintenance and replacement intervals of the stirring elements can be reduced and downtime can be significantly shortened.
- through an optimized geometry of the stirrer operating times in particular during stirring, mixing, homogenizing, dispersing and / or suspending, reduced and advantageous costs can be reduced.
- the contour unit could be positively and / or positively connected to the at least one stirring blade.
- the contour unit is at least partially formed integrally with the at least one stirring blade.
- the phrase "at least partially in one piece" is intended in this context to , ,
- At least one element of the contour unit and / or the contour unit is formed integrally with at least one stirring blade element of the at least one stirring blade and / or the at least one stirring blade.
- at least one element of the contour unit and / or the contour unit is formed integrally with at least one stirring blade element of the at least one stirring blade and / or the at least one stirring blade.
- a stable and reliable connection can be created.
- components can be reduced, wherein advantageously continuous transitions between the contour unit and the at least one stirring blade can be created, whereby in particular possible vortex formation points can be advantageously reduced.
- the contour unit comprises at least one contour curvature element, which is formed by a curved, in particular bent 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 configured in such a way that that vortex shedding can be minimized and / or completely suppressed.
- the at least one stirring blade can be formed 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 particularly preferably 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 orifice diameter of the stirring element.
- agitator diameter should be understood to mean, in particular, a diameter of a smallest imaginary circle which completely surrounds the agitator element and / or the suction side of the at least one stirring blade has a convex curvature, the at least one stirring blade curvature preferably having a bending curvature.
- geachse and / or a curvature axis which is preferably at least substantially parallel to the Rlickblattvorderkante and / or the Rrockblatterinterkante.
- at least substantially parallel should be understood in particular an orientation of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than
- a "smaller radius of curvature” should in particular be understood to mean a radius of curvature which is at least 1%, advantageously at least 5%, preferably at least 10%, and particularly preferably at least 20%, compared to a reference radius of curvature. is smaller.
- 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.
- the at least one contour curvature element has a radius of curvature which corresponds to a value of between 3% and 35%, preferably between 5% and 15%, of a stirring orifice diameter, in particular of the stirring element, a geometric design can be optimized and, in particular, further reduced wear phenomena can be further reduced become.
- the at least one contour curvature element is arranged at least substantially on a stirring blade leading edge of the at least one stirring blade and / or a stirring blade outer edge of the at least one stirring blade.
- the fact that an object is arranged "at least substantially" on an agitator blade edge is to be understood in particular to mean that the object is arranged in a vicinity of the respective agitator blade edge. , ,
- a "near zone” is to be understood as meaning, in particular, 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 a stirring orbital diameter Design of the stirring element can be further optimized.
- the at least one contour curvature element has a bending axis and / or a curvature axis which, viewed in the direction of rotation along the axis of rotation, has a stirring blade leading edge of the at least one stirring blade, in a direction of rotation of the at least one stirring blade after the stirring blade leading edge, angle between 15 ° and 75 ° and preferably between 20 ° and 50 °.
- the term "in one direction of rotation of the at least one stirring blade downstream of the stirring blade leading edge” should be understood to mean, in particular, a region of the stirring element which is, in particular, free of the at least one stirring blade can be reduced.
- the contour unit comprises at least one contour edge element which is at least partially, preferably at least to a large extent and particularly preferably completely, formed by a R Industrialblattau touchkante the at least one stirring blade and at least in a viewing direction parallel to the axis of rotation along a circumferential direction at least substantially is circular arc-shaped, with a lying on the axis of rotation circular arc center.
- the term "at least substantially circular arc-shaped" should be understood to mean, in particular, an object which deviates from a circular arc shape by a maximum of 20%, advantageously not more than 10%, preferably not more than 5% and particularly preferably not more than 1% describes and / or defines the at least one contour edge element and / or the agitator blade outer edge of the at least one stirring blade in a complete rotation of the stirring blade in particular a - -
- the stirring element is in this case, in particular completely, concentric. In this way, in particular 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 fastened directly and / or directly to the at least one agitator input.
- the contour unit preferably comprises at least one, preferably exactly one, sheet connection element which connects the at least one stirring blade to the at least one stirring element hub.
- the at least one sheet connecting element is in particular free from sharp edges.
- the at least one sheet connecting element is preferably formed integrally with the at least one stirring blade and / or with the at least one stirring blade hub.
- the at least one sheet connection element is designed as a sheet holding element and in particular in an assembled state at least partially and / or completely non-positively and / or positively, such as in particular by a screw and / or a connector, with the at least one stirring blade and / or is connected to the at least one Rlickblattnabe.
- the at least one sheet-connecting element is at least partially, preferably at least for the most part and particularly preferably completely made of an alloy and / or a metal, in particular stainless steel, duplex steel and / or advantageously titanium.
- the at least one sheet connection element consists of the same material as the at least one stirring blade and / or the at least one stirring supply hub. In this way, an advantageous vortex separation-free connection of the at least one stirring blade to the at least one agitator input can be achieved.
- the at least one sheet connection element with the axis of rotation forms an angle between 10 ° and 80 °, preferably between 30 ° and 80 ° and particularly preferably between 50 ° and 80 °.
- the at least one stirring blade is preferably attached to the at least one blade connection in such a way.
- the at least one stirring blade includes the same angle with the axis of rotation, as the at least one sheet connecting element.
- the at least one stirring blade it is also conceivable for the at least one stirring blade to be arranged on the at least one blade connecting element and / or connected to the at least one blade connecting element such that the at least one stirring blade encloses an angle different from the at least one blade connecting element with the axis of rotation.
- the at least one sheet connecting element encloses an angle of 90 ° with the axis of rotation.
- the at least one stirring blade could in particular be arranged such that the at least one stirring blade encloses an angle between 10 ° and 80 °, preferably between 30 ° and 80 ° and particularly preferably between 50 ° and 80 ° with the axis of rotation.
- the at least one sheet connection element can be designed as any sheet connection element that appears meaningful to a person skilled in the art, in particular as a sheet holding element.
- the at least one sheet connection element is at least substantially designed as a rod-shaped spar, with a material thickness decreasing in the direction of a stirring blade outer edge of the at least one stirring blade.
- the term "at least substantially as a rod-shaped spar” should be understood to mean in particular an embodiment of an object which deviates from a rod-shaped spar with a volume fraction of not more than 50%, preferably not more than 30% and particularly preferably not more than 10%.
- the at least one sheet connection element is in particular arranged such that a main direction of extension of the at least one sheet connection element runs at least substantially parallel to a Rlickblattvorder edge and / or a Rrockblatterinterkante.
- a "main extension direction" of the at least one sheet connection element is to be understood in particular a direction which perpendicular to a base of a smallest geometrical, - -
- the at least one sheet connection element extend at least substantially parallel along a Rntonblattvorderkante of the at least one stirring blade.
- the at least one sheet connection element is arranged such that the at least one sheet connection element terminates flush with the Rntonblattvorderkante of the at least one stirring blade. In this way, in particular possible vortex shedding can advantageously be 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 vessel, preferably an autoclave, in particular for receiving an abrasive medium, and proposed with at least one arranged in the at least one container Rlickorganvoriques.
- the agitator 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 may also comprise a plurality of stirrer devices, wherein at least two and / or at least three stirrer devices, each on a separate stirrer shaft, in particular in at least one operating state can be arranged next to one another and / or fastened and / or on a, in particular common stirrer shaft, can be arranged above each other and / or fixed in particular in at least one operating state.
- the respective Rönorganvoriquesen in particular partially transparent, in particular fluid-permeable, in particular horizontally and / or vertically arranged partitions can be arranged, whereby in particular a continuous stirring process can be achieved.
- the system may comprise at least one partition wall and / or the abrasive medium, in particular in the container. This may - -
- an agitating element can be provided which is advantageously adapted to a geometry of the container, whereby in particular container corners and / or container edges can advantageously be easily achieved.
- the agitator device should not be limited to the application and embodiment described above.
- the agitator device may have a number different from a number of individual elements, components and units mentioned herein.
- FIG. 1 a stirrer element designed as an axial stirrer with a stirrer device in a perspective illustration
- the stirring element 42 comprises an axially-conveying stirring element device.
- the stirring 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 a stirring orifice 40.
- the Rlickorgannabe 40 is integrally formed in the present case. Alternatively, however, is also conceivable to form a Rrockorgannabe multiple parts.
- the agitator hub 40 is intended to receive a stirring shaft (not shown) in at least one operating condition.
- the agitator hub 40 is provided to axially attach the agitation device to the agitator shaft.
- An orientation of the stirring shaft defines an axis of rotation 12 of the stirring device.
- the stirring element device comprises four stirring blades 10.
- the stirring blades 10 are identical.
- the stirring blades 10 are attached indirectly to the Rownorgannabe 40.
- the stirring blades 10 are arranged at a distance from the Rownorgannabe 40.
- the stirring blades 10 are arranged at angular intervals of 90 ° to each other.
- the agitating blades 10 are arranged on the agitator hub 40 in such a way that the agitator blades 10 enclose an angle ⁇ of approximately 45 ° with the axis of rotation 12 (cf., in particular, FIG. 3).
- an agitator device could have three stirring blades, which are arranged in particular at angular intervals of 120 ° to each other, and / or two stirring blades, which are arranged in particular at angular intervals of 180 ° to each other. In the following, only one embodiment of the one - -
- Blades 10 described the description of the other, in particular identical to each other formed agitator blades 10 can be adopted.
- the stirring blade 10 is plate-like.
- the stirring blade 10 has an at least substantially constant material thickness.
- the stirring blade 10 is formed in a plan view at least substantially rectangular (see, in particular Figure 2).
- the stirring blade 10 has four rounded Rillonblatecken in plan view.
- the stirring blade 10 has a Rntonblattvorderkante 22, a Rfordblattau touchkante 24, a Rntonblatterinterkante 26 and a Rntonblattinnenkante 28 on. All edges of the stirring blade leading edge 22, the stirring blade outer edge 24, the stirring blade trailing 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 48.
- the stirring blade 10 has a Rntonblattwölbung 18.
- the radius of curvature of the stirring blade curvature 18 corresponds to approximately 36% of a stirring orifice diameter 20.
- the agitator blade curvature 18 in the present case has a bending axis 50 which is arranged parallel to the stirring blade leading 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 Rlickblattvorderkante 22 is facing a direction of rotation 52.
- the stirring organ device has at least one contour unit 14.
- the agitator device has four identical contoured units 14. Each contour unit 14 is assigned to one of the stirring blades 10. In the following, the description is again limited to only one of the contour units 14. - -
- the contour unit 14 comprises a contour curvature element 1 6.
- the contour curvature element 16 is formed by a curved portion of the stirring blade 10.
- the Konturwölbungselement 1 6 is formed as a geometric shape of the stirring blade 10. Accordingly, the contour curvature member 16 is formed integrally 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 location susceptible to abrasion. In the present case, the contour curvature element 16 is arranged in a vicinity of the stirring blade corner at which the stirring blade leading edge 22 and the stirring blade outer edge 24 meet.
- the contour curvature element 1 6 has a radius of curvature.
- the radius of curvature of the Konturwölbungselements 1 6 is smaller than the radius of curvature of R industrialblattwölbung 18.
- the radius of curvature of Konturwölbungselements 16 corresponds in the present case 10% of Randorgan tomessers 20.
- the Konturwölbungselement 1 6 a bending axis 30, which in the direction along the axis of rotation 12 with the Randblattvorderkante 22 of the stirring blade 10 forms an angle ⁇ of about 30 °.
- the Konturwölbungselement 1 6 is curved in the same direction as the Roughblattwölbung 18.
- the contour unit 14 comprises a contour edge element 32.
- the contour edge element 32 is formed by the agitator blade outer edge 24 of the stirring blade 10.
- the contour edge element 32 is formed as a geometric shape of the stirring blade 10. Accordingly, the contour edge element 32 is formed integrally with the stirring blade 10.
- the contour edge element 32 is arranged at a location susceptible to abrasion. In the present case, the contour edge element 32 is at least in a viewing direction parallel to the rotation axis 12 along a circumferential direction 34 arcuate formed with a lying on the axis of rotation 12 circular arc center 36.
- the contour edge element 32 is formed such that the stirring blade outer edge 24 and / or the stirring element 42 describes a circle in an operating state. The diameter of this circle corresponds to the diameter Rrockorganischen 20. - -
- the contour unit 14 comprises a sheet connection element 38.
- the sheet connection element 38 is provided to connect the stirring blade 10 with the Rownorgannabe 40.
- the sheet connection element 38 is attached on the one hand to the Rownorgannabe 40 and on the other hand on the stirring blade 10.
- the sheet connection element 38 is integrally formed with the Rownorgannabe 40.
- the sheet connecting member 38 is formed integrally with the stirring blade 10.
- the stirring blade 10 is attached centrally, in particular at half the height of the sheet connection element 38, to the sheet connection element 38.
- the sheet connection element 38 is formed in the present case as a rod-shaped spar.
- the sheet connection element 38 extends parallel along the stirring blade front edge 22.
- the sheet connection element 38 is arranged such that the sheet connection element 38 terminates flush with the stirring blade front edge 22.
- the sheet connection element 38 encloses an angle ⁇ of approximately 75 ° with the axis of rotation 12 (cf., in particular, FIG. 3).
- the stirring blade 10 includes the same angle with the axis of rotation 12. Accordingly, the stirring blade 10 includes with the axis of rotation 12 an angle of about 75 °.
- a material thickness of the sheet connection element 38 decreases in the direction of the outer edge of the stirring blade 24.
- the sheet connection element 38 comprises at least substantially four partial areas.
- the Randorgannabe 40 facing portion of the sheet connection member 38 is cylindrical.
- a material thickness of the sheet connection element 38 corresponds to a maximum material thickness of the sheet connection element 38.
- the maximum material thickness corresponds to approximately 5 times the material thickness of the stirring blade 10.
- the sheet connection element 38 tapers on a suction side 46 facing first side. - -
- a material thickness of the sheet connection element 38 decreases continuously, in particular linearly.
- the sheet connecting element 38 on the first side is flush with the stirring blade 10.
- the material thickness of the sheet connection element 38 corresponds approximately to 3 times the material thickness of the stirring blade 10.
- the sheet connection element 38 is formed at least substantially in the shape of a half cylinder.
- the material thickness of the sheet connection element 38 corresponds approximately to 3 times the material thickness of the stirring blade 10.
- the sheet connection element 38 tapers on a second side facing the pressure side 48.
- a material thickness of the sheet connection element 38 decreases continuously, in particular linearly.
- the sheet connecting element 38 on the second side merges flush into the agitating blade 10.
- the material thickness of the sheet connection element 38 corresponds to a minimum material thickness of the sheet connection element 38.
- the minimum material thickness corresponds to the material thickness of the stirring blade 10.
- FIG. 4 shows an exemplary ore conditioning system with a horizontally arranged container 44 designed as an autoclave and a plurality of stirring elements 42 arranged in the container 44.
- the container 44 is divided into three container regions by two fluid-permeable partitions 54.
- the stirring elements 42 are identical in the present case.
- the stirring elements 42 correspond to the stirring element 42 from FIGS. 1 to 3.
- each of the stirring elements 42 has an agitator device according to the invention.
- the stirring elements 42 are arranged in the container 44 such that the respective axis of rotation 12 is arranged perpendicular to a horizontally arranged container axis.
- the system comprises four stirrers 42. In a first container area, a first stirrer 42 of the four stirrers 42 is arranged.
- the first stirring element 42 is arranged on a first stirring shaft. In one - -
- a multi-stage stirrer 56 is arranged in a second container area.
- the multistage agitator 56 has two stages in the present case.
- the multistage agitator 56 comprises 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.
- the fourth stirring member 42 is arranged on a third stirring shaft.
- the abrasive medium is arranged in the container 44 (not shown).
- the abrasive medium is formed in the present case as a suspension with a high solids loading.
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)
Abstract
Description
Claims
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 (de) | 2014-07-25 | 2015-07-16 | Rührorganvorrichtung |
Publications (2)
Publication Number | Publication Date |
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EP3171970A1 true EP3171970A1 (de) | 2017-05-31 |
EP3171970B1 EP3171970B1 (de) | 2023-10-04 |
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ID=53682698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15739257.2A Active EP3171970B1 (de) | 2014-07-25 | 2015-07-16 | Rührorganvorrichtung |
Country Status (8)
Country | Link |
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US (1) | US10493411B2 (de) |
EP (1) | EP3171970B1 (de) |
JP (1) | JP6630683B2 (de) |
AU (1) | AU2015294096B2 (de) |
CA (1) | CA2955755C (de) |
DE (1) | DE102014110542A1 (de) |
FI (1) | FI3171970T3 (de) |
WO (1) | WO2016012348A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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 (de) * | 1985-03-18 | 1990-06-13 | ||
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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 |
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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 |
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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 |
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DE102014110542A1 (de) * | 2014-07-25 | 2016-01-28 | EKATO Rühr- und Mischtechnik GmbH | Rührorganvorrichtung |
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2014
- 2014-07-25 DE DE102014110542.7A patent/DE102014110542A1/de active Pending
-
2015
- 2015-07-16 WO PCT/EP2015/066315 patent/WO2016012348A1/de active Application Filing
- 2015-07-16 US US15/326,558 patent/US10493411B2/en active Active
- 2015-07-16 AU AU2015294096A patent/AU2015294096B2/en active Active
- 2015-07-16 CA CA2955755A patent/CA2955755C/en active Active
- 2015-07-16 JP JP2016575367A patent/JP6630683B2/ja active Active
- 2015-07-16 EP EP15739257.2A patent/EP3171970B1/de active Active
- 2015-07-16 FI FIEP15739257.2T patent/FI3171970T3/fi active
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DE19952748A1 (de) * | 1999-11-02 | 2001-05-03 | Ekato Ruehr Mischtechnik | Propeller für Rührwerke |
Also Published As
Publication number | Publication date |
---|---|
AU2015294096A1 (en) | 2017-02-16 |
AU2015294096B2 (en) | 2020-04-23 |
EP3171970B1 (de) | 2023-10-04 |
WO2016012348A1 (de) | 2016-01-28 |
JP2017523906A (ja) | 2017-08-24 |
DE102014110542A1 (de) | 2016-01-28 |
FI3171970T3 (fi) | 2024-01-03 |
US20170197190A1 (en) | 2017-07-13 |
CA2955755A1 (en) | 2016-01-28 |
CA2955755C (en) | 2023-03-28 |
JP6630683B2 (ja) | 2020-01-15 |
US10493411B2 (en) | 2019-12-03 |
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