EP3468701A2 - Mischvorrichtung und verfahren zum mischen von materialien, insbesondere schüttfähigen materialien - Google Patents
Mischvorrichtung und verfahren zum mischen von materialien, insbesondere schüttfähigen materialienInfo
- Publication number
- EP3468701A2 EP3468701A2 EP17729856.9A EP17729856A EP3468701A2 EP 3468701 A2 EP3468701 A2 EP 3468701A2 EP 17729856 A EP17729856 A EP 17729856A EP 3468701 A2 EP3468701 A2 EP 3468701A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixing
- container
- materials
- mixing container
- mixed
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
-
- 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
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
Definitions
- the present invention relates to the field of mixing, wherein preferably free-flowing and / or particulate materials or starting materials are mixed or converted to a mixture or mixture, preferably mixtures.
- the present invention relates to a mixing device for mixing materials, in particular pourable and / or particulate materials, preferably for producing a building material dry mixture, in particular a plaster mortar.
- the present invention relates to the use of a mixing device for mixing materials, in particular pourable and / or particulate materials, preferably for producing a mixed material, preferably a building material dry mixture, in particular a plaster mortar.
- the present invention relates to a plant for producing a mixed material, preferably a building material dry mixture, in particular a plaster mortar, in which a mixing device is used for mixing preferably free-flowing and / or particulate materials.
- the present invention relates to a method for mixing preferably free-flowing and / or particulate materials, preferably for producing a building material dry mixture, in particular a plaster mortar.
- a mixing device of the type in question is generally suitable for mixing materials to a mix or mixture and / or mixture.
- the mixing device refers to the mixing of free-flowing and / or particulate materials for producing a building material dry mixture, in particular a plaster mortar.
- the subject of the present invention is also a plant for producing a mixture or mixture and / or batch, preferably a building material dry mix, in particular a plaster, in which such Mischvor- direction for mixing preferably free-flowing and / or particulate materials in use is.
- DE 40 02 099 A1 discloses a mixing device with a cylindrical mixing container, in which a mixing shaft with attached mixing tools for processing or mixing of materials is arranged, wherein the mixing container with an inlet opening for introducing or filling the (output) materials and an outlet opening for discharging mixed to a mix (output) materials is provided.
- the inlet opening for introducing or filling the materials in the mixing container is arranged centrally above the mixing shaft in DE 40 02 099 A1.
- a disadvantage of this arrangement of the inlet opening is that a high proportion of the materials entering the mixing container via the inlet opening impinges on the mixing shaft or other components arranged in this area, accompanied by a high risk of destruction and / or dissolution and / or or comminution of the particulate materials.
- the present invention is based on the object, an efficient mixing device for processing or mixing of preferably free-flowing and / or particulate materials and a corresponding system and a corresponding method for producing a mixed material, preferably a building material dry mixture, in particular one Plaster mortar to provide, with the previously described disadvantages of the prior art, at least largely avoided or at least mitigated.
- an efficient plant for the production of mixed goods preferably building material dry mixtures, in particular plaster
- a material-friendly processing of the materials is to be achieved with simultaneously high economic efficiency.
- the above-described task is inventively achieved by the subject matter of claim 1, which relates to the mixing device according to the invention for mixing preferably free-flowing and / or particulate materials, in particular for producing a Baustoffftrockenmischung, preferably a plaster mortar; Further advantageous developments are the subject of the corresponding device subclaims.
- Another object of the present invention is the use of the mixing device according to the invention for processing or mixing of preferably pourable and / or particulate materials according to the claim for use.
- Yet another subject of the present invention is the inventive plant for the production of preferably free-flowing and / or particulate mixed goods, preferably building material dry mixtures, in particular plaster, as defined in the corresponding independent device claim; Further, advantageous developments and refinements of the system according to the invention are the subject matter of the corresponding device subclaims.
- Another object of the present invention is a method for mixing preferably free-flowing and / or particulate materials, preferably for producing a Baustoffftrockenmischung, in particular a plaster, as defined in the corresponding independent method claim.
- the present invention - is a mixing device for mixing materials, in particular pourable and / or particulate materials, preferably for producing a building material dry mixture, in particular a plaster, preferably in discontinuous and / or batch operation, with a Preferably, integrally formed mixing container for receiving the materials, wherein the mixing container having a container top with at least one inlet means for introducing the materials along a predetermined preferably by gravity filling direction into the mixing container and a container bottom with at least one outlet means for discharging mixtures from the mixing container, wherein the container base is formed in a substantially circular arc in a cutting plane orthogonal to a longitudinal axis of the mixing container and with a mixing shaft, which is preferably disposed within the mixing vessel rotatable about a mixing axis, wherein on the mixing shaft preferably axially spaced mixing tools are arranged, which are drivable within the
- materials is preferably to be understood broadly and in particular comprises flowable materials or substances which are present in particular in pourable and / or particulate form.
- the abovementioned term preferably includes all (starting materials used for the production of the mixed materials).
- gang-) components for example main components and / or binders and / or additives and / or additives, which are present in different mixing ratios to one another within the context of the mixing or production process.
- the expression "by gravity predetermined filling direction”, as used in the present invention, is to be understood in particular such that the movement orientation of the introduced or filled in the mixing container materials is determined in particular exclusively by the effective direction of the weight of the introduced materials ;
- the materials perform a substantially uniform linear movement whose direction is determined almost exclusively by gravitation or gravity and thus substantially perpendicular or "downwards" in the direction of gravitational acceleration and / or perpendicular or vertical is aligned with the longitudinal axis of the mixing container.
- substantially circular arc-shaped is to be understood in particular as a cross-sectional profile of the container lower part, which is substantially in the form of a semicircular arc and / or round arch.
- the container bottom part of the mixing container in the context of the present invention is consequently designed as a semi-cylindrical (hollow) body.
- working direction is preferably understood to mean a direction of movement of the mixing tools when the mixing shaft is driven or in the operating or application state of the mixing device.
- the mixing tools within the mixing container perform a preferably uniform rotational movement.
- the inlet means is arranged and / or formed on the container top such that the filling direction of the materials introduced into the mixing container is substantially tangential to the working direction or tangentially opposite to the working direction of the mixing tools.
- the mixing device according to the invention has at least one inlet means arranged especially on the upper part of the container of the mixing container, wherein the movement tion directions of the linear, predetermined by gravity, filling movement of introduced into the mixing container (output) materials on the one hand and the circular working movement of the mixing tools on the other hand are aligned at least substantially tangentially to each other.
- the maintenance of the particle size and / or bulk density and / or the pore diameter of the materials is an indispensable or essential requirement criterion for achieving the desired product properties, in particular thermal insulation properties and / or thermal conductivity, of the Mixtures good.
- a lateral offset of the inlet means or the filling direction of the materials is provided with respect to a vertical plane passing through the mixing axis of the mixing shaft.
- the inventive arrangement and / or design of the inlet means ensures that the materials introduced into the mixing container via the inlet means in the filling direction are not exposed to any (impact) impact with components arranged centrally within the mixing container.
- the above-mentioned advantage of a gentle or low-load introduction of the materials into the mixing vessel of the mixing device is in particular reinforced by the fact that the filling direction of the materials is oriented substantially tangentially to the working direction or in the working direction of the mixing tools.
- the movements of the materials on the one hand and the mixing tools on the other hand in a region below the inlet means at least substantially in the same direction, in particular substantially vertically downwards or in the direction of gravity, so that the speed difference between the materials and the mixing tools is reduced , along with a Reduction of the impact forces acting on the materials.
- the materials are "taken along" in the working direction after being introduced into the mixing container by the mixing tools, whereby a particularly gentle processing is possible with simultaneous effective mixing.
- the materials in particular for increasing the mixing efficiency, enter the mixing container tangentially opposite to the working direction of the mixing tools.
- the container upper part extending in an orthogonal to the longitudinal axis of the mixing container Sectional plane is substantially U-shaped with two directed towards the container bottom side (side) legs, wherein within the mixing container, the leg inner surfaces of the container top part on the one hand and the bottom inner surface of the container bottom part on the other hand pass substantially tangentially into each other.
- the mixing container according to the invention has two container parts, each with different (cross-sectional) profiles, wherein inside the mixing container, the inner surfaces of the legs of the container upper part on the one hand and the bottom inner surface of the container bottom part on the other hand substantially tangentially merge into each other.
- the inventive concept of the mixing container leads - especially in comparison to conventional (fully) cylindrical mixing containers - to an enlargement of the interior of the mixing container.
- an increase in the maximum absorption capacity of the mixing container is achieved, along with a resource-saving operation of the mixing device according to the invention.
- the proposed embodiment of the mixing container leads to the formation of additional volume regions which are arranged outside the mixing tools or the envelopes or circular paths formed or swept by the mixing tools.
- indirect mixing regions or turbulence regions for radially accelerated materials or material particles are formed, in particular radially outside the immediate processing or mixing zones of the mixing tools, along with improved and / or more efficient mixing or turbulence of the materials within the mixing container.
- the abovementioned additional volume regions counteract locally occurring material compaction or compression within the processing zones or mixing zones of the mixing tools, along with a gentler processing and / or mixing, in particular comparatively sensitive and / or brittle or porous materials.
- the mixing device thus allows, as a result of the tangential orientation of the inlet movement of the introduced materials and the working movement of the mixing tools to each other in preferred combination with tangentially merging inner surfaces gentle processing or mixing of the materials while avoiding resolutions, crushing or material densification of the materials.
- the solution according to the invention allows economical or resource-saving production of building material dry mixtures.
- the device according to the invention allows the homogeneous mixture of starting materials with large differences in density.
- FIG. 1 is a schematic cross section of a mixing device according to the invention, wherein the not belonging to the mixing device itself, but helpful for understanding components, are indicated by dashed lines.
- 2 shows a schematic longitudinal section of a mixing device according to the invention according to FIG. 1, the components not belonging to the mixing device itself but helpful for understanding being indicated by dashed lines;
- FIG. 3 shows a schematic top view of the mixing device according to the invention according to FIG. 1 or FIG. 2;
- FIG. 4 shows a schematic side view of a plant according to the invention for the production of mixed products, preferably building material dry mixtures, in particular plaster, wherein the plant comprises or contains a mixing device according to the invention;
- FIG. 5 shows a schematic front view of the installation according to the invention according to FIG. 4.
- Another object of the present invention - according to one aspect of the present invention - is the use of a mixing device for mixing materials, in particular pourable and / or particulate materials, preferably a building material dry mixture, in particular a plaster mortar.
- Yet another object of the present invention - according to a third aspect of the present invention - is a plant for the production of mixtures, preferably building material dry mixtures, in particular plaster, preferably free-flowing and / or particulate materials, with at least one feed device, preferably continuous conveying device, in particular screw conveyor to Conveying the materials, a mixing device with a mixing container for mixing the materials to be mixed goods within the mixing container, and a discharge device, preferably continuous conveyor, for conveying away the mixed materials from the mixing container of the mixing device, wherein the discharge device is designed as a bucket elevator.
- a feed device preferably continuous conveying device, in particular screw conveyor to Conveying the materials
- a mixing device with a mixing container for mixing the materials to be mixed goods within the mixing container
- a discharge device preferably continuous conveyor, for conveying away the mixed materials from the mixing container of the mixing device, wherein the discharge device is designed as a bucket elevator.
- the advantage of the inventive design of the discharge device as bucket elevator is, in particular, that maintaining the desired mixing quality, in particular while avoiding segregation, is ensured by discharging the mixed materials in separate, in particular cup-shaped, transport containers. Furthermore, the discharge device according to the invention allows a gentle, in particular dust-free, promotion of the mixed materials from the mixing container.
- Another object of the present invention - according to a fourth aspect of the present invention a method for producing a mixed material, preferably a building material dry mixture, in particular plaster, preferably pourable and / or particulate materials, wherein the materials in a mixing container of a mixing device along a preferably introduced by gravity predetermined filling direction via at least one inlet means of the mixing container and mixed materials and / or mixes are discharged via at least one outlet means of the mixing container from the mixing container, wherein a mixing shaft is preferably driven within the mixing container rotatable about a mixing axis, and wherein Mixing the materials to mixes preferably axially spaced on the mixing shaft arranged mixing tools within the mixing container with the rotation of the mixing shaft about the mixing axis in egg ne working direction, wherein the introduced in the filling direction in the mixing container materials substantially tangentially in the working direction or opposite to the working direction of the mixing tools enter the container bottom and / or that the materials after mixing into mixtures within the mixing container via a designed as
- the mixing device 1 shows schematically a cross-sectional view of a mixing device 1 according to the invention for mixing preferably free-flowing and / or particulate materials 2.
- the mixing device 1 for producing a mixed material and / or mixture and / or mixture, preferably a building material dry mixture, in particular a plaster mortar formed ,
- the mixing device 1 is designed for discontinuous and / or batchwise operation. In principle, however, a continuous operation of the mixing device 1 according to the invention is possible.
- the mixing device 1 preferably has a mixing container 3 for receiving the materials 2.
- the materials 2 are accommodated in an interior I of the mixing container 3.
- the material 2 in the interior I of the mixing container 3 is substantially in a dry state.
- a mixing or processing of liquid materials by the mixing device 1 according to the invention is also possible in principle.
- the mixing vessel 3 is preferably made of steel, in particular stainless steel or aluminum.
- other materials such as plastics, in particular ultra-high molecular weight polyethylenes (UHMW-PE), can be used.
- UHMW-PE ultra-high molecular weight polyethylenes
- the mixing container 3 preferably has a container upper part 4 and a container lower part 5 and / or is formed from a container upper part 4 and a container lower part 5.
- the container upper part 4 is arranged above the container lower part 5.
- the container upper part 4 is arranged in the use and / or use state of the mixing device 1 above the container base 5.
- the container upper part 4 and the container bottom part 5 of the mixing container 3 are formed in one piece or as a structural unit.
- the container upper part 4 and the container base 5 indissoluble, preferably cohesively, in particular by welding, soldering or the like, are interconnected.
- a detachable compound preferably by molding and / or Kraftsehl uss, in particular by screwing, between the container upper part 4 and the container base 5 possible.
- the mixing device 1 and / or the mixing container 3 preferably extends at least substantially - at least in the usual condition of use or application - horizontally and / or along a longitudinal axis L.
- the container lower part 5 is preferably formed at least substantially partially cylindrical or as a part-cylindrical (hollow) body or half cylinder.
- the lower container part 5 is formed in a substantially orthogonal to the longitudinal axis L of the mixing container 3 extending sectional plane substantially arcuate, in particular circular arc-shaped, as shown schematically in Fig. 1.
- a inner surface 6 of the container lower part 5 facing the interior I of the mixing container 3 is designed as a lateral surface of a half cylinder.
- the mixing container 3 preferably has a width or extent along a transverse axis extending orthogonal to the longitudinal axis L of more than 0.5 m, preferably more than 0.7 m, in particular more than 0.9 m, particularly preferably more than 1, 2 m and / or less than 3 m, preferably less than 2.5 m, in particular less than 2 m, particularly preferably less than 1, 8 m, on.
- the mixing container 3 preferably has a length or an extension with respect to the longitudinal axis L of more than 1 m, preferably more than 1.2 m, in particular more than 1.5 m, more preferably more than 2 m and / or less than 5 m, preferably less than 4 m, in particular less than 3 m, particularly preferably less than 2.5 m, on.
- the mixing device 1 preferably has a mixing shaft 7, which is preferably arranged within the mixing container 3 rotatable about a mixing axis M and / or driven.
- the mixing shaft 7 preferably has mixing tools 8 spaced apart axially from the mixing axis M.
- the mixing tools 8 are arranged on the mixing shaft 7, in particular fastened, that the mixing tools 8 in the interior I of the mixing container 3 with the rotation of the mixing shaft 7 about the mixing axis M in a working direction A for processing and / or mixing the materials 2 in the interior I of the mixing container 3 drivable, in particular rotatable, are.
- the mixing tools 8 are arranged offset from one another about the circumference of the mixing shaft 7.
- axially adjacent and / or successive mixing tools 8 are each offset by 60 ° to each other.
- other arrangement possibilities of the mixing tools 8 relative to each other are also possible.
- the mixing container 3 preferably has at least one inlet means 9 for introducing the (starting) materials 2 into the interior I of the mixing container 3.
- the inlet means 9 has an inlet section 9A, in particular an inlet tube and / or an inlet nozzle, in particular wherein the inlet section 9A is arranged at the upper region of the mixing container 3 and / or is oriented substantially perpendicular or orthogonal to the longitudinal axis L of the mixing container 3 ,
- the inlet portion 9A has a passage forming a passage for the material 2 along the longitudinal extent of the inlet portion 9A.
- the inlet section 9A preferably extends through the wall of the container upper part 4 of the mixing container 3.
- the inlet section 9A preferably has a feed opening 9B at its inlet and a feed opening 9C at its exit.
- the inlet portion 9A constitutes the charging port 9B and / or the charging port 9C, preferably, the charging port 9B at the upper and / or upper end of the intake portion 9A and the charging port 9C at the lower portion of the intake portion 9A and / or the upper portion 4 of the mixing vessel 3 is arranged.
- the feed opening 9B and / or the filling opening 9C is / are at least substantially circular.
- the materials 2 to be introduced preferably enter the channel of the inlet section 9A via the feed opening 9B in a preferably at least substantially vertical and / or linearly downwardly and / or substantially gravity-determined filling direction E and out of the channel via the filling opening 9C from and into the interior I of the mixing container 3 a.
- the inlet means 9 at least one fastening means 9D, preferably a flange, for the particular non-positive attachment of a - only schematically indicated in Figure 1 - feed device 33 on.
- the fastening means 9D is arranged at the upper region of the inlet section 9A and / or in the region of the feed opening 9B of the inlet means 9.
- the fastening means 9D is arranged at the upper region of the inlet section 9A and / or in the region of the feed opening 9B of the inlet means 9.
- the inlet means 9 preferably has at least one shut-off element 9E, preferably a shut-off flap, for opening and / or closing the feed opening 9B and / or the filling opening 9C.
- the inlet means 9 has a plurality, preferably two, shut-off elements 9E, preferably wherein the feed opening 9B and the filling opening 9C are each optionally openable and / or closable via an associated shut-off element 9E.
- the inlet means 9 is arranged and / or formed on the container upper part 4 of the mixing container 3 such that the filling direction E of the materials 2 introduced into the mixing container 3 is aligned substantially tangentially to the working direction A of the mixing tools 8.
- the preferably tubular inlet section 9A of the inlet means 9 is offset laterally relative to its longitudinal extension or central axis or rotation axis by a lateral distance C from a vertical plane V passing through the mixing axis M of the mixing shaft 7.
- the lateral distance C between the vertical plane V passing through the mixing axis M of the mixing shaft 7 and the central axis or rotation axis of the inlet means 9 is more than 0.2 m, more preferably more than 0.3 m, in particular more than 0.4 m and / or less than 1 m, more preferably less than 0.8 m, in particular less than 0.6 m.
- the container upper part 4 is formed in a substantially orthogonal to the longitudinal axis L of the mixing container 2 extending cutting plane substantially U-shaped.
- the container upper part 4 has a first leg 11 and a second leg 12, preferably wherein the legs 11, 12 are directed towards the container bottom 5 and / or downwards and / or in the filling direction E of the introduced materials 2.
- the associated leg inner surfaces 13 and 14 of the legs 1 1 and 12, respectively, and the bottom inner surface 6 of the container lower part 5 merge substantially tangentially into one another.
- the mixing vessel 3 has at least one outlet means 10 for discharging and / or discharging and / or discharging the materials 2 from the mixing vessel 3.
- the outlet means 10 is connected to a - shown in Figure 1 only schematically indicated - discharge device 34 for conveying away the mixed materials from the mixing container 3 of the mixing device 1 and / or connectable.
- the outlet means 10 is designed to open and / or close the container lower part 5 of the mixing container 3.
- the mixing tools 8 move with the rotation of the mixing shaft 7 about the mixing axis M within the mixing container 3 in particular uniformly in the working direction A along a circular path K.
- the working direction A corresponds to a direction of rotation in the counterclockwise direction, counter-clockwise or in the mathematically positive direction of rotation or rotation.
- a "circular path" in the sense of the present invention preferably defines or determines the maximum movement radius of the mixing tools 8 and / or For the purposes of the present invention, it should be understood as a space curve along which the mixing tools 8 move in the working direction A or opposite to the working direction A in the region of the free ends and / or maximum radial extent within the mixing container 3.
- Fig. 2 shows the proposed mixing device 1 in the operating position or in use.
- the mixing container 3 and / or the mixing shaft 7, in particular in the operating and / or application state and / or use state of the mixing device 1, are arranged and / or aligned at least substantially horizontally and / or horizontally, in particular with respect to the longitudinal axis L of the mixing container 3 and / or the mixing axis M of the mixing shaft 7. This permits gentle mixing of the materials 2, in particular while avoiding material compaction and / or compression in the interior I of the mixing container 3.
- the mixing shaft 7 is arranged and / or aligned at least substantially concentric to a central axis or rotation axis (not shown) of the container lower part 5.
- the center axis or rotation axis of the container lower part 5 corresponds at least substantially to the mixing axis M of the mixing shaft 7.
- the inlet means 9 is arranged in and / or at the upper region of the mixing container 3. In this context, it has proved to be particularly advantageous if the inlet means 9 is arranged on a preferably substantially flat and / or flat mixing container lid 15 of the container upper part 4.
- the mixing container lid 15 is formed substantially rectangular, preferably wherein the mixing container lid 15 is releasably connected to the legs 1 1, 12 is connected. Particularly preferred is a inner space I of the mixing container 3 facing the inner lid surface 16 of the mixing container lid 15 with respect to the circular path K of the mixing tools 8 offset in height.
- the cover inner surface 16 of the mixing container lid 15 extends at least substantially parallel with a height offset H to a running through the upper extreme point of the circular path K of the mixing tools 8 tangent T.
- the height offset H between the inner lid surface 16 of the mixing container lid 15 and the tangent T of the circular path K more than 10 cm, in particular more than 15 cm, more preferably more than 20 cm and / or less than 2 m, preferably less than 1, 5 m, in particular less than 1 m.
- a swirling area above the circular path K formed by the mixing tools 8 is formed. This allows for improved mixing, in particular swirling, of materials 2 accelerated upward within the mixing container 3.
- undesired material compaction and / or compression between the inner lid surface 16 on the one hand and the mixing tools 8 on the other hand are effectively avoided in this way.
- the respective circular paths K or envelopes formed and / or crossed by the mixing tools 8 overlap each other in the axial direction. This contributes to an effective mixing of the materials 2, in particular wherein in the axial direction of the mixing shaft 7 and / or along the entire longitudinal extent of the mixing container 3, the formation of "dead zones" - in which no direct processing or mixing of the materials 2 through the Mixing 8 takes place - be effectively avoided.
- the mixing container lid 15 connects the first leg 11 to the second leg 12 and / or is arranged between the first leg 11 and the second leg 12. It is preferred if the container upper part 4 has a substantially angular U-shaped (cross-sectional) profile in a sectional plane running orthogonally to the longitudinal axis L of the mixing container 3. Preferably, the mixing container lid 15 is formed integrally with the first leg 1 1 and / or the second leg 12 of the container upper part 4. However, other constructive solutions are possible here.
- the first leg 1 1 at least substantially parallel and / or objected to the second leg 12 is arranged.
- the mixing container lid 15 extends at least substantially orthogonally to the first leg 11 and / or second leg 12 of the container upper part 4.
- each of the mixing tools 8 has at least one mixing body 8A for processing and / or mixing and / or plowing through the materials 2 within the mixing container 3 and at least one mixing arm 8B projecting radially from the mixing shaft 7 for fixing the mixing body 8A to the mixing shaft 7.
- the mixing arm 8B of the mixing tool 8 is inseparable, in particular materially connected, preferably by means of welding, to the mixing shaft 7.
- other constructive solutions are possible here.
- the mixing arm 8B of the mixing tool 8 in cross section is substantially circular and / or substantially cylindrical. This is conducive to material-friendly processing and / or mixing of the materials 2 within the mixing container 3, since the materials 2 are smoothly guided around a substantially edge-free and / or curved (cylindrical) lateral surface of the mixing arm 8B during mixing or processing ,
- the mixing body 8A of the mixing tool 8 is substantially paddle-like and / or preferably one in FIG Substantially flat and / or flat mixing body surface 8AA has. Due to the proposed design of the mixing body 8A and / or the mixing body surface 8AA, a gentle processing and / or mixing of the materials 2 inside also achieved half of the mixing container 3, in particular by reducing the forces acting on the materials 2 shear or frictional forces.
- the mixing tools 8, in particular the mixing bodies 8A of the mixing tools 8, extend radially from the mixing shaft 7 into the vicinity of the bottom inner surface 6 of the container lower part 5.
- the mixing container 3 preferably has a first axial end 17 and a second axial end 18 and / or is delimited with respect to its (longitudinal) extent along the longitudinal axis L by two axial ends 17 and 18.
- the mixing container 3 at its axial ends 17 and 18 by two preferably disc-shaped end walls 19 and 20 is closed and / or closed.
- the end walls 19 and 20 preferably each form an associated axial end 17 or 18 of the mixing container 3.
- the container upper part 4 preferably has two inlet means 9 for introducing the (initial) materials 2 along the filling direction E preferably predetermined by gravity into the interior I of the mixing container 3.
- the inlet means 9 are each arranged in the region of an axial end 17, 18 and / or an end wall 19, 20 of the mixing container 3. This allows efficient mixing, in particular by utilizing a maximum axial mixing path within the mixing container. 3
- the outlet means 10 is particularly preferably substantially centered between the inlet means 9 and / or the axia- len ends 17, 18 and / or the end walls 19, 20 of the mixing container 3 are arranged.
- the mixing tools 8, preferably the mixing body 8A of the mixing tools 8, both for radial and axial mixing and / or promotion of the materials 2 are formed within the mixing container 3.
- the mixing tools 8, in particular the mixing bodies 8A of the mixing tools 8, have an angle of incidence W to the mixing axis M of the mixing shaft 7.
- angle of attack W of the mixing bodies 8A this can vary within wide ranges depending on the degree of the desired axial conveying of the materials 2 and / or the expected shear forces. In practice, it has proven to be advantageous if the angle of attack W in the range of 5 to 80 °, preferably 10 to 70 °, in particular 20 to 60 °, particularly preferably 30 to 50 °.
- the opposite axial flow directions Xi, X 2 of the introduced materials 2 efficient mixing or processing of the materials 2 is achieved during the mixing process, whereby a rapid production and / or mixing of the ma- materials 2 ready mix and / or efficient emptying of the mixing container 3 is realized.
- the outlet means 10 is arranged at the lower region of the bottom bottom part 5.
- the outlet means 10 is arranged in the region of the center of the container lower part 5.
- the term "center of the container base 5" in the context of the present invention is preferably to be understood as an intersection point between the central axis and / or axis of rotation of the container lower part 5 on the one hand and a transverse one is formed to this central axis or axis of rotation and the container base 5 passes centrally through the transverse axis on the other.
- the mixing device 1 has at least one stripping device 21 for avoiding permanent deposits of materials 2 in the interior I of the mixing container 3.
- the stripping device 21 is designed to remove deposited materials 2 on the inner surfaces of the end walls 19 and / or 20, in particular to strip them.
- the stripping device 21 in the region of an axial end 17, 18 and / or an end wall 19, 20 in the interior I of the mixing container 3 is arranged.
- the stripping device 21 is elongated.
- the stripping device 21 is at least substantially wedge-shaped in cross-section, preferably wherein a in the working direction A of the mixing tools 8 facing wedge tip of the stripping device 21 at least substantially parallel to the inner surface of the associated end wall 19 and 20, in particular wherein the stripping device 21 with their in the working direction A pointing wedge tip sweeps the inner surface of the associated end wall 19 and 20 respectively.
- the stripping device 21 is arranged in the interior I of the mixing container 3 in the region of the axial end 17 or 18 and / or the end wall 19 or 20 on the mixing shaft 7 and / or a mixing tool 8, preferably fixed.
- the stripping device 21 is permanently attached, preferably by welding, to the mixing shaft 7 and / or the mixing tool 8.
- the stripping device 21 extends, starting from the mixing shaft 7, in the radial direction as far as the mixing body 8A of the mixing tool 8, preferably with the stripping device 21 preferably non-detachably connected to an end of the mixing body 8A of the mixing tool 8 pointing in the working direction A of the mixing tools 8.
- the stripping device 21 extends in the radial direction, starting from the mixing shaft 7 up to the radial end of the mixing tools 8 and / or the circular path K of the mixing tools 8. This allows a maximum (swept) area for removing deposits on the inner surface of the associated End wall 19 and 20 respectively.
- the mixing device 1 on two stripping 21, which are arranged in the region of the axial ends 17 and 18 and / or the end walls 19 and 20 of the mixing container 3, in particular wherein with the rotation of the mixing tools 8 in the working direction A both inner surfaces of the end walls 19th and 20 are touched or stroked by associated wipers 21.
- a sealing element for sealing the mixing shaft 7, a sealing element, in particular a stuffing box, is preferably provided in each case in the region of the end walls 19, 20.
- the stuffing box preferably has a stuffing box sleeve in which the mixing shaft 7 is received.
- a stuffing box packing is preferably provided as a sealing material.
- a stuffing box gland packing stuffing is axially compressed so that the gland packing expands radially and presses against the mixing shaft 7, in particular where the surface pressure on the stuffing box goggles is adjustable.
- the transmission device 25 is arranged on the end of the mixing shaft 7, in particular plugged, is.
- the outlet means 10 preferably has an outlet opening 10A which opens into the interior I of the mixing container 3 and / or passes through the wall of the container base 5 for discharging the materials 2 from the interior I of the mixing container 3 ,
- the outlet opening 10A is arranged at the lower area of the container lower part 5.
- the mixed materials 2 exit via the outlet opening 10A of the outlet means 10 in the form of a mixed material flow G from the interior I of the mixing container 3, preferably wherein the direction of the mixed material flow G predetermined by gravity substantially and / or down and / or perpendicular to Longitudinal axis L of the mixing container 3 is directed, as indicated schematically by a corresponding arrow in Fig. 2.
- the outlet means 10 at least one - preferably at the bottom of the container base 5 - closure element 10B, preferably a pivotable closure flap, for opening and / or closing the outlet opening 10A of the container base. 5 and / or shutting off and / or releasing the mixed material stream G emerging from the mixing container 3.
- the closure element 10B is adapted to the shape, in particular cross-sectional shape, of the container lower part 5, preferably wherein the closure element 10B is curved and / or at least partially arcuate in cross section. This allows a virtually dead space-free or loss-free closing of the container base 5 by the closure element 10B.
- the outlet means 10 comprises a substantially cone-like outlet member 10C for discharging and / or discharging the materials 2 from the mixing container 3.
- the outlet element 10C preferably tapers in the direction of the mixed material flow G and / or converges in the direction of the mixed material flow G.
- the outlet element 10C preferably has an inner or discharge cross-section Q decreasing in the direction of the material flow G, preferably wherein the discharge section Q is initially constant in the direction of the mixture flow G and then decreases. This allows an effective discharge of the mixed material flow G from the mixing container 3.
- the Austragsquerites Q of the outlet member 10C is preferably a réelle31. Flow cross-sectional area perpendicular to the longitudinal axis or (discharge) direction of the mixed material flow G of the outlet member 10C or a hydraulic cross-section or a hydraulic cross-sectional area.
- the discharge cross-section Q is the area delimited or enclosed by a side wall of the outlet element 10C.
- the outlet element 10C is preferably connected on the inlet side to the connection means 10E of the connection section 10D, in particular non-positively, preferably by means of screwing, and / or held on the container bottom part 5 of the mixing container 3.
- the outlet means 10 preferably has at least one opening 10F passing through the outlet element 10C for the introduction of air, in particular compressed air, preferably into the interior of the outlet element 10C by means of a compressed air device (not shown).
- the targeted introduction of compressed air within the outlet element 10C enables a particularly uniform delivery or discharge of the materials 2.
- the outlet means 10 has a plurality of apertures 10F passing through the outlet element 10C, preferably wherein the apertures 10F are in particular distributed uniformly around the circumference of the outlet element 10C. This allows effective loosening of the Mischgutstroms G, in particular in the entire region of the Austragsquerites Q and thus enables an effective and / or uniform removal of the mixed materials 2 from the mixing container 3.
- the outlet means 10 preferably the outlet member 10C , at least one feed device 26, in particular wing lock, for the suppression and / or release and / or regulation of the mixed material flow G has. This allows a targeted, in particular metered, delivery or removal of the mixed material flow G.
- the loading device 26 is preferably arranged in the region of a filling opening 10 CA of the outlet element 10C. This allows a targeted regulation and / or release and / or blocking of the mixed material flow G and / or an effective discharge of the mixed materials 2 from the mixing container 3.
- a wing lock as a proposed task device 26 is preferred, since in this way a particularly accurate regulation of the mixed material flow G at a simultaneously gentle material treatment, in particular while avoiding material compression and / or high shear forces, is made possible.
- the mixing device 1 has at least one filter device 27 with a filter 28 for filtering a fluid flow, preferably air flow, exiting and / or entering from the mixing container 3.
- the filter device 27 on the container upper part 4, preferably on the mixing container lid 15 of the mixing container 3, is arranged.
- the filter device 27 is releasably, preferably non-positively, in particular by means of screwing, connected to the mixing container lid 15 of the mixing container 3.
- center of the mixing container lid is preferably to be understood as the intersection of two lateral bisectors of the preferably rectangular, in particular square, mixing container lid 15.
- the filter device 27 has a cleaning unit 29 for preferably pulsed and / or regulated, preferably pressure-controlled, in particular differential-pressure-controlled, cleaning of the filter 28. This guarantees a reliable or trouble-free operation of the mixing device 1 according to the invention.
- the degree of soiling of the filter 28 is automatically monitored by means of a differential pressure measurement via a controller (not shown), in particular after a certain differential pressure has been reached, a cleaning event of the filter is automatically triggered in the form of a compressed air pulse.
- a cleaning event of the filter is automatically triggered in the form of a compressed air pulse.
- the mixing device 1, in particular the mixing container 3, is preferably - at least in the position of use - on a base, preferably a bottom B, supported.
- the mixing device 1 at least one support member 30, preferably wherein the mixing container 3 is supported on the support member 30 or supportable and / or connected by means of the support member 30 with the bottom B or connected.
- the support member 30 is elongated and / or formed as a hollow body having a substantially rectangular cross-sectional profile.
- the mixing container 3 is lifted off the base B by means of the support element 30 or raised relative to the bottom B.
- the support element 30 is detachably fastened, in particular by screwing, to the container bottom part 5 of the mixing container 3.
- the support element 30 is designed in several parts, in particular in two parts, preferably, wherein the individual parts of the support element 30 are detachably connected to one another, preferably by screwing.
- the mixing device 1 a plurality, preferably four, supporting elements 30, in particular wherein the support members 30, in each case in pairs in opposite directions, in the region of the axial ends 17, 18 of the mixing container 3 are arranged. This allows a comfortable and / or unobstructed access to the middle, lower region of the mixing container. 3
- the mixing device 1 or the mixing container 3 has one or more, preferably four, weighing means (not shown) for weighing the materials 2 accommodated in the mixing container 3.
- the mixing device 1 or the mixing container 3 is supported on the weighing means or weighing means, in particular by way of the supporting elements 30, in particular wherein a weighing means is associated with each supporting element 30.
- the weighing means or is in particular designed as force transducer, in particular load cell (s), preferably wherein a deformation of a component of the weighing cell (s) can be detected and converted into an electronic signal. In this way, a reliable and / or precise weighing of the materials 2 in the mixing container 3 is possible.
- FIG 3 shows the mixing device 1 according to the invention in a schematic plan view.
- the mixing container 3 preferably the container upper part 4 of the mixing container 3, has three inlet means 9 for introducing the materials 2 along the filling direction E into the mixing container 3.
- the mixing container 3 has at least one mixing container flap 31 for opening and / or closing the mixing container 3 at the upper region, preferably on the mixing container lid 15. This allows a simple and / or large-scale access to the interior I of the mixing container. 3
- the mixing container flap 31 is at least substantially plate-shaped and / or flat and / or rectangular.
- the mixing container lid 15 has a plurality, preferably two, mixing container flaps 31 for opening and / or closing the mixing container 3.
- the mixing container flaps 31 are each arranged pivotably on the mixing container lid 15 of the mixing container 3 about a substantially horizontal pivot axis S.
- At least one preferably laterally alsschwenkba- re maintenance flap on the legs n and 12 is provided.
- at least one, in particular both, legs 1 1 and 12 has two maintenance flaps, in particular wherein the maintenance flaps are each mounted in the region of the end walls 19, 20 about a preferably vertical pivot axis. This allows comfortable access to the interior I of the mixing tank 3.
- the container upper part 4 has a plurality, preferably four, inlet means 9 for introducing the materials 2 along the filling direction E into the mixing container 3.
- the four inlet means 9 are each arranged in pairs in the region of the axial ends 17, 18 of the mixing container 3, preferably wherein the inlet means 9 in the region of the associated axial ends 17 and 18 respectively opposite in the region of an associated leg 1 1 and 12 of the container top - Part 4 are arranged.
- the preferably pairwise opposite assignment of the inlet means 9 in the region of an associated leg 1 1 or 12 of the container upper part 4 gestat- For example, in this context it is possible to introduce comparatively sensitive materials in the region of the leg 11, so that the filling direction E is oriented tangentially in the working direction A of the mixing tools 8, whereas Preferably, less sensitive materials in the region of the leg 12 can be introduced, so that the filling direction of these materials is aligned tangentially opposite to the working direction A of the mixing tools 8.
- the inlet means 9 are arranged on the mixing container lid 15 of the mixing container 3 such that they form the corners of a rectangle, as can be seen in particular in the plan view shown in FIG.
- the volume of the mixing container 3 As far as the volume of the mixing container 3 is concerned, this can vary within wide ranges depending on the desired batch. According to the invention, however, it is preferred if the mixing container 3 has a volume of 50 to 10,000 l, in particular 100 to 9,000 l, preferably 500 to 7,000 l, preferably 1 .000 to 5,000 l, particularly preferably 2,000 to 4,000 l, very particularly preferably 2,500 to 3,500 l.
- At least one, preferably both, limbs 11, 12 have at least one suspension element, in particular an eye, for striking a lifting device, preferably a crane.
- a lifting device preferably a crane.
- at least four suspension elements are provided, in particular wherein each suspension element is associated with a maintenance flap and is arranged on the upper side in the region of the respective pivot axis of the maintenance flap.
- at least one suspension element can preferably be provided on the upper side on each end wall 19, 20.
- One aspect of the present invention relates to a plant 32 for the production of mixtures, preferably building material dry mixtures, in particular plaster, from preferably pourable and / or particulate materials.
- the system 32 according to the invention is shown in a side view.
- the plant 32 preferably has at least one charging device 33, preferably a continuous conveying device, in particular a conveying screw, for conveying the materials 2.
- the charging device 33 is formed as a screw conveyor. This allows an effective and / or gentle and / or metered promotion of the materials 2.
- the charging device 33 is designed to supply the materials 2 to the mixing device 1, preferably to the mixing container 3 of the mixing device 1.
- the Fordzhouzhou the feed device 33 is arranged and / or oriented above the feed opening 9B of the inlet means 9, so that the fed by means of the feeder 33 to the mixing container 3 material 2 via the inlet means 9 in the mixing container 3 of the mixing device 1 can be introduced.
- the charging device 33 is fastened in the region of the delivery outlet to the inlet means 9 of the container upper part 4, preferably wherein the loading device 33 is non-positively connected, in particular screwed, to the fastening means 9D of the inlet means 9. This enables secure attachment of the charging device 33 to the mixing container 3 of the mixing device 1.
- the charging device 33 is designed to convey the materials 2 along an obliquely upward conveying direction. Alternatively, however, a promotion of the materials 2 along a substantially horizontal conveying direction is possible.
- the system 32 preferably has at least one discharge device 34, preferably a continuous conveying device.
- the feed inlet or the feed opening of the discharge device 34 is arranged below the mixing container 3.
- the delivery inlet of the discharge device 34 is arranged below the outlet element 10 of the container lower part 5, preferably so that the discharge device 34, in particular metered by means of the feed device 26, can be supplied with mixing products from the mixing container 3 via the outlet means 10.
- the discharge device 34 at the delivery inlet to the outlet means 10 in particular non-positively, preferably by screwing, connected. This allows a safe, in particular dust-free, supplying the mixed materials 2 from the mixing container 3 to the discharge device 34.
- the discharge device 34 is formed as a bucket elevator.
- the advantage of this embodiment of the discharge device 34 according to the invention lies in the fact that the removal of the mixed materials 2 in separate, in particular cup-shaped, transport containers of the discharge device 34 ensures that the desired mixing quality is maintained, in particular while avoiding segregation. Furthermore, the discharge device 34 according to the invention permits gentle, in particular dust-free, conveying of the mixed materials 2 from the mixing container 3.
- the discharge device 34 is designed for conveying away the mixed materials 2 from the mixing container 3 along a vertical and / or horizontal conveying direction. This allows an individually adaptable lines of the discharge device 34 and thus a space and / or space-saving (Ab-) promotion of the materials 2 from the mixing container 3 of the mixing device. 1
- the discharge device 34 is designed as a pendulum bucket. This allows an economic operation with at the same time gentle conveyance of the materials 2, in particular while avoiding segregation and / or material compaction during the removal of the mixed materials 2.
- the discharge device 34 has a substantially Z-shaped line. This allows a specific sequence of horizontal and vertical conveyor sections or conveying directions of the materials 2.
- a discharge at the delivery outlet or at the discharge opening of the discharge device 34 may occur.
- knocking device in particular a pendulum knocker be provided, preferably wherein by means of the knocking device on the cup elements of the bucket elevator, in particular after emptying of the mix a shock pulse is applied. In this way, almost residue-free emptying of the cup elements of the Winkelbecherwerks is guaranteed.
- the system 32 preferably has at least one storage device 35, preferably a storage container, for receiving and / or storing the materials 2 and / or mixed goods.
- the system 32 has a plurality of storage devices 35 for the separate storage and / or storage of different materials 2 and / or the mixed materials.
- the memory devices 35 are formed differently. This makes it possible to accommodate and / or store different materials 2 in memory devices 35 specially designed with regard to the material properties of the materials 2 and / or mixing materials.
- at least one of the memory devices 35 is designed as a flexible storage container 35A, in particular a big bag, is trained.
- the use of flexible storage containers 35A permits, in particular, weight-saving and / or convenient handling, in particular wherein facilitated emptying and / or resource-saving or user-friendly replacement of the storage containers 35A is / is made possible.
- At least one of the flexible storage containers 35A is suspended from the top on a vertically adjustable hoist, in particular an electric chain hoist.
- the hoist is mounted horizontally displaceable on a rail, which in turn is fixedly attached to a skeleton.
- the storage container 34A By lowering the storage container 34A by means of the hoist, the emptying of the storage container 35A is facilitated.
- the storage tank 35A is horizontally movable from the skeleton, resulting in facilitated replacement of a deflated storage tank 35A.
- each storage container 35A preferably has a volume of 1, 000, 1 to 5,000, preferably 1, 500, 1 to 4,000, in particular 2,000, 1 to 3,000, very particularly preferably 2,400, 1 to 2,600, 1.
- at least one of the storage devices 35 is designed as a rigid storage container 35B, in particular silo. This allows a robust or resilient storage and / or recording of the materials to be mixed 2 and / or allows a robust attachment assigned loading and / or Abvant Steinen.
- the rigid storage container 35B has a volume of at least 20,000 l, preferably at least 30,000 l, more preferably at least 40,000 l and / or less than 100,000 l, preferably less than 90,000 l, particularly preferably less than 80,000 I, has.
- At least one of the storage devices 35 is designed as a weighing container 35C for measuring, in particular weighing, the materials 2. This allows a targeted or metered loading of the mixing container 3 with materials 2.
- the weighing container 35C forms a hand balance and / or has such. This allows efficient manual loading of the mixing container 3 via the weighing container 35C.
- the weighing container 35C is elongate and / or substantially funnel-shaped.
- the weighing container 35C is arranged and / or aligned at least substantially horizontally and / or horizontally, in particular with respect to a longitudinal axis (not shown) of the weighing container 35C.
- the materials 2 introduced into the weighing container 35C can be discharged by means of a feed device 33 arranged in the lower region of the weighing container 35C, preferably wherein the feed device 33 passes through the weighing container 35C essentially axially.
- a feed device 33 arranged in the lower region of the weighing container 35C, preferably wherein the feed device 33 passes through the weighing container 35C essentially axially.
- the system 32 has at least one small scale, in particular with a weighing range of 10 to 100 kg. The small components weighed by the small scale can in particular be fed manually to the weighing container 35C.
- At least one of the storage devices 35 is designed as a preferably rigid mixed material container 35D, in particular silo, for receiving and / or storing completely mixed materials 2 or mixtures, as indicated schematically in FIG.
- the mixed material container 35D is arranged in the region of the delivery outlet or the discharge opening of the discharge device 34, preferably so that the mixed material container 35D can be charged with the mixtures via the discharge device 34.
- the plant 32 particularly preferably has several, preferably two, mixed material containers 35D, preferably wherein the mixed material containers 35D are arranged at the delivery outlet or at the discharge opening of the discharge device 34 so that the mixed material containers 35D can preferably be charged with mixing products via the discharge device 34 ,
- the system 32 has a plurality of charging devices 33 for supplying the materials 2 to the mixing container 3 of the mixing device 1.
- a plurality, preferably four, charging devices 33 are arranged, in particular fastened, on the upper area of the mixing container 3 at associated inlet means 9, as is indicated schematically in FIG. 3. This allows in particular simultaneous introduction of several, preferably four, possibly different materials 2 into the mixing container 3 of the mixing device 1.
- each of the storage devices 35A-35C has a separate charging device 33 for the individual supply of the materials 2 from the associated storage device 35A-35C to the mixing container 3.
- This allows a specific or individual supply of different materials 2 to the mixing container 3 from the associated storage devices 35A-35C.
- the system 32 in particular at least one of the storage devices 35A-35C, has at least one weighing means, in particular a weighing cell, for weighing the materials 2. In this way a reliable supply or metering of the materials 2 is guaranteed.
- the system 32 has a supporting structure 36 with a walk-in access platform 37 for accessing and / or operating the mixing device 1, preferably the mixing container lid 15.
- a base 38 of the access platform 37 is arranged at the upper region of the mixing container 3, preferably at the level of the mixing container lid 15.
- the base 38 of the access platform 37 at least one preferably substantially rectangular opening 39, preferably wherein the mixing device 1, in particular the mixing container 3, at least partially passed through the opening 39.
- the mixing container 3 is passed through the opening 39 of the access platform 37 such that the top of the mixing container 3, preferably the mixing container lid 15, and the base 38 of the access platform 37 are at least substantially in the same plane. This allows a comfortable access of the mixing container lid 15 and enables a secure operation of the mixing device 1.
- the supporting structure 36 in particular the access platform 37, has a load-carrying capacity and / or carrying capacity of at least 1000 kg, preferably at least 2000 kg, in particular at least 2500 kg, particularly preferably at least 3000 kg.
- the support structure 36 has at least one stair member 40, which has substantially the same height as the access platform 37, so that the access platform 37 is accessible by means of the stair member 40.
- the system 32 has at least one filling device 41, in particular a bagging device, for preferably portionwise discharge. tion of the mix has. This allows the removal of the end product in the form of compact or easy-to-handle containers.
- the filling device 41 is associated with at least one Mischgut matterser 35D, preferably wherein the filling device 41 is supplied by means of the Mischgut mattersers 35D with mixes.
- At least one mixed goods container 35D has a drainage pipe.
- the emptying tube is preferably arranged centrally or centrally in the mixed material container 35D and preferably extends over at least 80%, in particular over at least 90%, of the height of the mixed product container 35D.
- the emptying tube is preferably designed to discharge the mixed material from the mixed material container 35D and / or to feed the filling device 41.
- the emptying tube forms a vertical flow channel for the mixed material, preferably wherein the flow cross section of the emptying tube is at most 30%, preferably at most 20%, the cross-sectional area of the mix container 35D is.
- the emptying tube preferably has a multiplicity of throughflow openings, which are in particular designed to guide the mix material within the mixing container 35D into the interior of the emptying tube.
- the flow-through openings are preferably arranged distributed equidistantly or uniformly over the length and / or the circumference of the discharge tube.
- the mix is discharged in particular exclusively via the discharge pipe from the Mischgut essenceer 35 D and / or the filling device 41 is supplied, in particular wherein the mix is introduced depending on the level over the flow openings in the drain pipe.
- the emptying tube thus enables a substantially layered emptying of the mixed product container 35D. This allows an effective and / or reliable delivery of mixed material, in particular since a separation of the mixed material in the mixed product container 35D is excluded or at least minimized.
- the system 32 has a plurality, preferably two, filling devices 41, preferably wherein each filling device 41 is associated with a corresponding mixed goods container 35D for supplying the mixed goods to the filling device 41.
- each filling device 41 is associated with a corresponding mixed goods container 35D for supplying the mixed goods to the filling device 41.
- the two Mischgut matterer 35 D via a distribution device, in particular a two-way manifold, connected to the delivery outlet or the discharge opening of the discharge device 34. In this way, an optional supply of the discharged mixed material into the two Mischgutbe- container 35 D take place.
- the filling device 41 has a welding device for welding the filled Mischgutsburge.
- the system 32 in particular the filling device 41 and / or the Mischgut actuallyer 35 D, at least one take-off device, which is designed to deduct released parts or particles of the mix, in particular to suck and / or pick up.
- the extraction device is designed as a suction device for receiving particulate materials.
- the system 32 and / or the filling device 41 and / or the discharge device comprises or forms a return device, for example a hose and / or pipe, for returning the withdrawn or sucked-off parts of the mixed material to the mixed material container 35D , In this way, a virtually dust-free and / or lossless filling or portioning of the mix takes place.
- a return device for example a hose and / or pipe
- the system 32 according to the invention is constructed essentially on a ground-level base, in particular on the floor B. This contributes to an optimization and / or reduction of the required maximum overall height of the system 32 and at the same time allows a compact and / or cost-effective design of the system 32 according to the invention.
- the present invention relates to a method for producing a mixed good, preferably a building material dry mixture, in particular a plaster mortar, preferably pourable and / or particulate materials 2, wherein the principles described above are carried out alone or in combination.
- a mixed good preferably a building material dry mixture, in particular a plaster mortar, preferably pourable and / or particulate materials 2, wherein the principles described above are carried out alone or in combination.
- the method according to the invention will be described below by way of example with reference to its implementation on the device 1 or the device 32 according to the invention.
- the inventive method is preferably for batch and / or batch production of mixtures, preferably a building material mixture, in particular a plaster mortar formed. Alternatively, however, a continuous production of mixtures by the method according to the invention is possible.
- a batchwise operation of the system according to the invention is provided, wherein the batch size and the number of batches is input via an operating device of the control device.
- different recipes of finished goods articles can be stored in the control device.
- for each finished goods article is deposited, which recipe is to be driven with the finished goods.
- the materials 2 to be mixed are stored and / or received within at least one storage device 35 before being fed to the mixing container 3.
- different materials 2 are received and / or stored separately from one another by the loading device 33 in a plurality of storage devices 35 before being fed to the mixing container 3.
- the different materials 2 are received and / or stored separately from one another by the feed device 33 in flexible storage containers 35A and / or rigid storage containers 35B and / or weighing containers 35C before being fed to the mixing container 3.
- shut-off elements 9E of the inlet means 9 are opened and the closure element 10B of the outlet means 10 is closed.
- the materials 2 are conveyed via at least one charging device 33 from the storage device 35A, 35B, 35C to the mixing container 3 of the mixing device 1.
- the materials 2 received and / or stored separately from one another in corresponding storage devices 35A, 35B, 35C are each transferred via an associated charging device 33 from the associated storage devices 35A to 35C to the mixing container 3 of the mixing device 1 supplied, preferably so that the different materials 2 preferably at the same time at the delivery outlet of the corresponding feed device 33 via associated inlet means 9 enter the mixing container 3.
- a first control device is preferably provided for the metered feeding of the mixing container 3 from the flexible two storage devices 35A.
- simultaneous feeding of the materials 2 from the storage devices 35A to the mixing container 3 is possible.
- the supply can also take place in succession.
- a desired value is predetermined via the first control device.
- the materials 2 are discharged from the storage containers 35A, whereby an actual value is recorded with respect to the weight of the discharged material 2, in particular by means of corresponding weighing means of the storage devices 35A. If - taking into account a certain tolerance - the metered actual value corresponds to the specified target value, the metering is terminated.
- a second control device is preferably provided for metered loading of the mixing container 3 from the weighing container 35C and / or the small scale.
- a desired value of the small scale and / or the weighing container 35C is set in each case, wherein with the preferably manual feed of the materials to the weighing container 35C, the current actual value runs from zero to the previously specified value. After reaching the specified target value, the materials are withdrawn from the weighing container 35C and fed to the mixing container 3.
- the materials 2 are introduced into the mixing container 3 of the mixing device 1 along the filling direction E, preferably predetermined by gravity, via the inlet means 9 into the mixing container 3.
- the materials 2 introduced into the mixing container 3 in the inlet direction E enter into the container bottom part 5 of the mixing container 3 substantially tangentially in the working direction A or opposite to the working direction A of the mixing tools 8.
- the mixing tools 8 are driven with the rotation of the mixing shaft 7 in the working direction A.
- the mixing of the materials 2 within the mixing container 3 is particularly preferably carried out at a speed of the mixing shaft 7 of less than 80 1 / min, preferably less than 70 1 / min, more preferably less than 60 1 / min and / or more than 5 1 / min, preferably more than 10 1 / min, more preferably more than 15 1 / min.
- the inlet means 9 is closed by the shut-off element 9E.
- the weight of the materials 2 entering or leaving the mixing container 3 is determined continuously via one or more weighing means and, preferably, transmitted as an electronic signal to a corresponding display device and / or central control device. If, in particular in the case of batchwise operation, a desired value or a target weight is reached, the further supply of materials 2 into the mixing container 3 is ended, in particular by deactivating the corresponding charging device (s) 33 and / or closing the blocking elements 9E , in particular by means of the central control device.
- the mixed materials 2 or mixtures are discharged or discharged via the outlet means 10 of the mixing container 3 from the mixing container 3.
- the closure element 10B of the outlet means 10 is opened, so that the mixed material 2 exits via the outlet opening 10A of the outlet means 10 from the mixing container 3 in the form of a mixed material flow G.
- the mixing shaft 7 is stopped after complete mixing of the materials 2, so that further processing or conveying of the materials 2 by the mixing tools 8 is prevented.
- the mixing shaft 7 remains driven when the closure element 10B is open, in particular at a reduced speed, so that the materials 2 are mixed by means of the mixing tools 8 driven along the working direction A, in particular along opposite axial directions Xi and X 2 are conveyed to the outlet opening 10A of the outlet means 10 back.
- the mixed materials 2 preferably emerge from the mixing container 3 along an outlet direction which is essentially predetermined by gravity via the outlet opening 10A of the outlet means 10 in the form of a mixed material flow G.
- the mixed material flow G emerging from the container lower part 5 through the outlet opening 10A of the outlet means 10 is guided or guided within the conical outlet element C with a discharge cross-section Q which is smaller in the direction of the material flow G.
- the mixed material flow G is subjected to compressed air within the outlet element 10C, in particular loosened up, preferably wherein the compressed air is introduced via at least one opening 10F of the outlet element 10C via a corresponding compressed air nozzle.
- the mixed material flow G is regulated by means of the feed device 26, preferably vane lock, in such a way that the mixed material flow G is discharged uniformly in the form of successive mixed product portions from the outlet means 10 of the container lower part 5.
- the mixed material portions discharged uniformly one after the other are supplied to the discharge device 34 corresponding to preferably cup-shaped transport containers.
- the Mischgutanteile be led away by means of the discharge device 34 in a first conveying section along a horizontal conveying direction of the mixing container 3 and discharged. Subsequently, the Mischgutanteile be promoted by means of the discharge device 34 in a second conveying section along a vertical conveying direction upwards in the direction of a maximum delivery height.
- the Mischgutanteile be promoted by means of the discharge device 34 in a third conveying section along a horizontal conveying direction at maximum delivery. Subsequently, the Mischgutanteile be taken starting from the discharge end of the third conveyor section of the discharge device 34 in at least one Mischgut knowner 35 D, in particular stored intermediately. Particularly preferably, two blended containers 35D are supplied or filled with blended products, in particular simultaneously by means of the discharge device 34.
- the mixtures are conveyed away via at least one filling device 41, in particular bagging device, in portions, in particular sackwise, preferably wherein the filling device 41 is supplied with mixed goods via at least one mixing material container 35D.
- the filling device 41 has at least one weighing means, in particular a weighing cell, wherein after reaching a target weight, the further mixing material supply is interrupted and the filling of a further mixed goods bag is initiated.
- the mixed materials are conveyed off simultaneously via a plurality, preferably two, filling devices 41, preferably wherein each filling device 41 is supplied with mixed goods via an associated mixed material container 35D.
- Container upper part 40 20 second end wall
- Mixing tool 24 Drive device A Mixing body 45 25 Gear device AA Mixing surface 26 Feeding device B Mixer arm 27 Filter device
- Inlet means 28 filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016110838 | 2016-06-14 | ||
| PCT/EP2017/064366 WO2017216140A2 (de) | 2016-06-14 | 2017-06-13 | Mischvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3468701A2 true EP3468701A2 (de) | 2019-04-17 |
| EP3468701B1 EP3468701B1 (de) | 2022-01-12 |
Family
ID=59055211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17729856.9A Active EP3468701B1 (de) | 2016-06-14 | 2017-06-13 | Mischvorrichtung, anlage und verfahren zum mischen von materialien, insbesondere schüttfähigen materialien, somit verwendung der mischvorrichtung |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3468701B1 (de) |
| WO (1) | WO2017216140A2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546935A (zh) * | 2020-11-23 | 2021-03-26 | 湖州琦利智能装备科技有限公司 | 一种建筑工地用大型机械混料装置 |
| CN114684582B (zh) * | 2020-12-30 | 2024-03-26 | 天津三环乐喜新材料有限公司 | 翻面装置、上料和翻面系统及方法 |
| DE102023002540A1 (de) * | 2023-06-23 | 2024-12-24 | Mercedes-Benz Group AG | Vorrichtung und Verfahren zum Mischen von Materialien für Batteriezellen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US934603A (en) * | 1909-01-15 | 1909-09-21 | Julius F Gedge | Sifting and mixing machine. |
| US4390285A (en) * | 1980-08-24 | 1983-06-28 | Draiswerke Gmbh | Method and apparatus for mixing solids with liquids, in particular for gluing wood chips |
| DE4002099A1 (de) * | 1990-01-25 | 1991-08-01 | Draiswerke Gmbh | Mischer |
| US5580170A (en) * | 1995-10-06 | 1996-12-03 | Ferro-Tech, Inc. | Mixing and conditioning machine |
| IT1282399B1 (it) * | 1996-05-02 | 1998-03-20 | Cmp Spa | Unita'incollatrice per impianti di produzione di pannelli a base di legno,nonche' impianto utilizzante tale unita' incollatrice |
| US5738439A (en) * | 1996-11-20 | 1998-04-14 | Flower; Arnold B. | Mixing apparatus |
| US6551401B1 (en) * | 2000-10-19 | 2003-04-22 | Becker-Underwood, Inc. | Machine for coloring landscaping material |
-
2017
- 2017-06-13 EP EP17729856.9A patent/EP3468701B1/de active Active
- 2017-06-13 WO PCT/EP2017/064366 patent/WO2017216140A2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017216140A3 (de) | 2018-03-15 |
| EP3468701B1 (de) | 2022-01-12 |
| WO2017216140A2 (de) | 2017-12-21 |
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