EP3556457A1 - Mélangeur continu et procédé - Google Patents

Mélangeur continu et procédé Download PDF

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Publication number
EP3556457A1
EP3556457A1 EP18168229.5A EP18168229A EP3556457A1 EP 3556457 A1 EP3556457 A1 EP 3556457A1 EP 18168229 A EP18168229 A EP 18168229A EP 3556457 A1 EP3556457 A1 EP 3556457A1
Authority
EP
European Patent Office
Prior art keywords
mixing
holding
continuous mixer
holding part
shaft
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.)
Withdrawn
Application number
EP18168229.5A
Other languages
German (de)
English (en)
Inventor
Bernd Zende
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
m-tec mathis technik GmbH
Original Assignee
m-tec mathis technik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by m-tec mathis technik GmbH filed Critical m-tec mathis technik GmbH
Priority to EP18168229.5A priority Critical patent/EP3556457A1/fr
Publication of EP3556457A1 publication Critical patent/EP3556457A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • B01F27/053—Stirrers characterised by their elements, materials or mechanical properties characterised by their materials
    • 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
    • B01F27/071—Fixing of the stirrer to the shaft
    • 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
    • B01F27/0723—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis oblique with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0726—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
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
    • B01F27/171—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for disintegrating, e.g. for milling
    • 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
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar 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
    • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
    • B01F27/2123—Shafts with both stirring means and feeding or discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged

Definitions

  • the invention relates to a continuous mixer for mixing a medium of bulk material, in particular a powdery bulk material, and a liquid, in particular water, with a mixing space for mixing the bulk material and the liquid, wherein a mixing shaft is disposed within the mixing space.
  • the invention also relates to a method for exchanging a mixing part of a continuous mixer, in particular in a continuous mixer according to the invention, as described and claimed herein.
  • the invention also relates to a series with at least two continuous mixers.
  • the invention also relates to a method for producing at least two mixing elements of different lengths.
  • the invention relates to a set of a holding part and / or a mixing part for a continuous mixer.
  • Continuous mixers of the type mentioned are already known and are usually used on construction sites for mixing dry mortar with water. Such continuous mixers generally have a mixing space which is designed as a wet zone in which the admixture of the liquid to the bulk material takes place.
  • propelling blades which transport the medium from an inlet region of the mixing chamber to an outlet region of the mixing chamber.
  • counter-thrust vanes have the property that they convey the medium in the opposite direction, ie from the outlet area in the direction of the inlet area.
  • mixing blades which may be configured as propellant blades or push-pull blades, can be plugged onto the mixing shaft in the axial direction.
  • These designed as a mixing blade mixing elements are generally integrally formed, which are attachable via a connecting profile on the shaft.
  • a solution to this problem is achieved according to the invention by means of a continuous mixer with the features of claim 1.
  • the mixing shaft carries a projecting holding part, and that on the holding part, a mixing part is releasably secured.
  • This has the advantage that a worn or damaged mixing part can be replaced more easily without the holding part required for its support having to be removed from the shaft.
  • the mixing part of the holding part in the radial direction in particular based on the mixing shaft is removable and / or attachable to this. Since during a mixing process, the largest forces acting on the mixing parts, transverse or perpendicular to this radial direction, a particularly simple, yet stable connection between the holding part and the mixing part can be achieved by this type of configuration.
  • the detachable connection between the holding part and the mixing part has the advantage that a configuration of the mixing parts can be changed more easily than before.
  • a position and / or orientation of the mixing elements can thus be defined more simply and / or more flexibly.
  • a variant may provide that the holding part and the mixing shaft are integrally formed. In this case, the position of the holding elements is already defined during the production of the mixing shaft. This embodiment has the advantage that it is particularly robust and durable.
  • the holding part and the mixing part form a mixing element. It may be particularly useful when the mixing element is attachable to the mixing shaft and / or removable from the mixing shaft.
  • This has the advantage that a desired mixing configuration is freely adjustable by a user-defined arrangement and / or spacing of the holding parts on the mixing shaft.
  • This has the advantage that the user the mixing shaft literally in a kind of modular system can configure according to his wishes, so as to be able to achieve a certain mixing result by means of the continuous mixer.
  • At least one mixing element designed as a driving element and at least one mixing element designed as a push-pull element is arranged in the mixing chamber of the continuous mixer. This makes it possible to ensure the longest possible whereabouts of the medium within the mixing chamber without the mixing chamber having to be lengthened in the axial direction.
  • the at least one push-driving element By means of the at least one push-driving element, the medium to be mixed can be transported again within the mixing space in the direction of the mixing chamber entrance, so that the medium as a whole remains longer in the mixing space during a mixing process.
  • the holding parts can each be equipped with different mixing parts.
  • the mixing part can be designed as a mixing blade and / or mixing hook and / or mixing claw. Therefore, the user can choose which of the above-mentioned mixing parts or which combination of mixing parts he would like to combine, depending on the application, with the holding part or the holding parts, which is always designed identically.
  • the holding part with a holding part formed on the holding profile axially on the mixing shaft can be plugged formed.
  • An inner contour of the holding profile can be adapted to an outer contour of the mixing shaft, so that a torque transmission from the mixing shaft to the holding part and / or the patch on the holding part mixing part is possible.
  • the inner contour of the holding profile and / or the outer contour of the mixing shaft has / have a non-circular and / or at least partially angular cross-sectional contour.
  • the holding part can have a pin and the mixing part can have a pin receptacle corresponding to the pin, whereby a mechanical interface is formed.
  • the pin can stabilize the mixing part and increase its rigidity in order to achieve a better mixing of the medium by means of the mixing part can. Furthermore, a particularly stable connection between the pin and pin receptacle is possible because the pin is inserted into the pin receptacle and thus a relatively large-area concerns between holding part and mixing part can be achieved.
  • the pin and / or the pin receptacle can / together with a cross-sectional plane, in particular with respect to the mixing shaft, include a particular acute angle. In the direction of rotation of the mixing shaft, driving elements may be aligned in the direction of an outlet section of the mixing chamber and / or push-pull elements in the direction of an inlet section of the mixing chamber.
  • the pin and / or the pin receptacle have a particular radially extending slope. It may be particularly advantageous if the pin and / or the pin receiving a slope of a maximum of 1.5 degrees per side.
  • the pin and / or the pin receiving a slope of a maximum of 1.5 degrees per side are particularly advantageous.
  • a rotationally secure attachment of the mixing part is set up on the holding part.
  • This can be achieved, for example, by virtue of the fact that the pin and / or the pin receptacle have an asymmetrical cross section, preferably wherein the cross section of the pin and / or the pin receptacle transversely or perpendicular to a flow direction of the medium to be mixed, in particular within the mixing chamber, and / or decreases contrary to a direction of immersion of the mixing part.
  • the holding part thus has a relatively large contact surface, via which a frictional force can be generated with an outer surface of the peg receiving thereon, in order to hold the mixing part on the holding part by this frictional force.
  • a particular radially extending notch and / or in the pin receiving a corresponding accumulation of material may be formed on the pin, wherein the outer surfaces of the accumulation of material in the attached state at least partially abut the outer surfaces of the notch.
  • one or the aforementioned mechanical interface can be designed as a key-lock interface.
  • holding parts of driving elements and mixing parts of symbols and / or mixing parts of driving elements and holding parts of Gegentreibelementen are designed to be incompatible with each other, so that they are not connected to each other.
  • the holding part and the mixing part may each have a channel, wherein the two channels form a fixing channel in the use position, in which a fixing means of the continuous mixer, for example in the form of a retaining pin, is insertable, so that the mixing part on the holding part fixable is.
  • the guide channel can in particular at least partially by one or the previously mentioned mixing element and / or obliquely to an outer surface of the mixing part and / or parallel to the mixing shaft, extending.
  • the fixing means may comprise a head part, by means of which the fixing means is easier to insert into the fixing channel, in particular einpressbar.
  • the head part may have a wider cross section than a pin portion.
  • the head part terminates flush with the surface of the mixing part, it may be advantageous if the head part is inclined relative to a longitudinal axis of the fixing means and / or parallel to the outer surface of the mixing part can be arranged.
  • At least the head part can have a non-circular cross-section.
  • a locking connection can be formed by the fixing means and the mixing part in the inserted state.
  • the fixing means preferably at its distal end, have a cross-sectional thickening, which cooperates with a, preferably formed as a groove, recess on the inside of the fixation channel to prevent falling out of the fixing means.
  • the cross-sectional thickening snaps into the recess in the inserted state of the fixing means.
  • the head part is arranged in the inserted state on the outside of the mixing part, on which a greater pressure is exerted by the medium during the mixing process.
  • this is the direction in the direction of the outlet
  • push-pull elements this is the outside which is oriented in the direction of an inlet region of the mixing chamber.
  • one or the aforementioned mechanical interface of one or the above-mentioned driving element structurally different, in particular mirror image, to one or the mechanical interface of one or the aforementioned Gegentreibelements be configured.
  • the mechanical interface of one or the aforementioned Gegentreibelements be configured.
  • a rotationally secure fitting of the mixing part is ensured by the mechanical interface on the holding part, preferably in which the mechanical interface defines a slip orientation of the mixing part relative to the holding part, in particular so that a plugging by 180 ° is not twisted is possible.
  • the mixing space of the continuous mixer can be divided into a mixing area and a stripping area, wherein the mixing elements are arranged in the mixing area.
  • the mixing shaft and the mixing parts attached thereto are immersed completely in the medium during a mixing of the medium, in particular at a maximum filling of the mixing space.
  • the stripping region corresponds to an outlet region in which the mixed medium is transported out of the continuous mixer, in particular runs out.
  • a circumferential, in particular annular, sealing element can be formed on at least one end face of one or the aforementioned holding profile of the holding part. It may be particularly useful when the sealing element is monolithic and / or integral with the retaining profile. As a result, the number of parts can be reduced and yet a good sealing of the gaps can be achieved. In assembly position, the sealing element is thus located on an end face of an adjacent Holding profile and seals the gap between the mixing elements.
  • mixed media such as mortar may harden and cause a kind of caking such that the mixing elements are stuck on the mixing shaft.
  • the mixing part may be made of a softer material than the holding part. It has been found to be particularly useful when the mixing part of a plastic, preferably made of polyurethane. By deforming and / or bending the mixing part, chipping of hardened medium can be achieved, whereby loosening of the mixing part from the holding part is easier.
  • plastics, such as polyurethane are also sufficiently robust, so that its wear is low and the mixing elements are thus relatively durable.
  • the mixing part can have a dividing element arranged on an immersion side of the mixing part, as a result of which even better mixing of the medium can be achieved. It may be particularly expedient if the dividing element is arranged parallel to the mixing shaft. This allows, for example, a simpler demolding of the preferably formed as a casting mixing part.
  • the invention further relates to a method for exchanging a mixing part of a continuous mixer, in particular in a continuous mixer as described and claimed herein, wherein the mixing part is released from the holding part and the mixing part then, preferably in the radial direction relative to a mixing shaft of the continuous mixer, from the holding part is deducted, in particular without previously the holding part is removed from the mixing shaft, in which case a replacement mixing part is placed and fixed on the original holding part.
  • the invention also relates to a series with at least two continuous mixers, in particular continuous mixers in the manner as described and claimed herein, wherein the flow mixers have mixing parts with neck portions of different lengths and / or different long holding parts.
  • the length of the holding parts is adapted to the length of the mixing parts, so that an optimal power transmission can be achieved.
  • the invention relates to a method for producing at least two differently long holding parts and / or mixing elements, in particular a continuous mixer in the manner as described and claimed herein, wherein for producing the different length mixing parts the same base mold is used, wherein for the production a longer mixing part an extension of a neck portion of the mixing part causing intermediate casting mold is used.
  • the different mixing parts of the continuous mixers of the aforementioned series can be produced by means of the same base casting mold, which reduces the costs of production.
  • the invention also relates to a set of a holding part and / or a mixing part for a continuous mixer, in particular in a manner as described and claimed herein, wherein one or the previously mentioned mixing part with one or the previously mentioned holding part is detachably connectable.
  • the invention relates to the use of a continuous mixer, as described and claimed thereof, for the production of dry mortar and water mortar.
  • Fig. 1 and 2 Two overall views of a continuous mixer for mixing a powdered substance with water are shown, wherein the continuous mixer as a whole is designated as 1.
  • the powdery substance may be, for example, a bulk material such as dry mortar.
  • the continuous mixer 1 is subdivided into a bulk material supply section 40, a metering section 41 and a mixing chamber 2.
  • a shaft 43 which can be driven by a motor via a drive 42 extends in the axial direction through all three regions of the continuous mixer 1 mentioned above.
  • the shaft 43 is designed in each case as a screw conveyor 44.
  • the bulk material can be introduced via a bulk material inlet opening 45 into the bulk material supply section 40 and can be transported from there by means of the transport screw 44 to the metering section 41. In these sections, the bulk material is in a dry state. About the metering 41 can the bulk material finally be transported into the mixing chamber 2.
  • water and / or another liquid can be introduced into the mixing chamber via a liquid inlet opening 46.
  • the mixing chamber 2 is subdivided into an active mixing region 33, in which the bulk material and the liquid are mixed with one another, and a stripping region 34, with an outlet 48.
  • the mixed medium of bulk material and water can be output via the stripping region 34 through the outlet 48.
  • the shaft 43 is designed as a mixing shaft 3 within the mixing chamber 2.
  • the mixing shaft 3 carries a plurality, preferably differently oriented projecting holding parts 4, on each of which a mixing part 5 is detachably fastened.
  • the mixing part 5 can be withdrawn from the holding part 4, preferably in the radial direction 6. This has the advantage that a worn or damaged mixing part 5 is designed interchangeable for the first time, wherein the holding part 4 remains on the mixing shaft 3. As a result, both the time and the material costs in the repair of a continuous mixer 1 can be reduced.
  • the mixing shaft 3 and the thereof protruding holding part 4 are integrally and / or monolithically designed.
  • the holding part 4 and the mixing shaft 3 are particularly durable formed.
  • the holding part 4 and the mixing part 5 can be assembled to form a mixing element 7, wherein the mixing element 7 at the desired position on the mixing shaft 3 can be plugged by the user.
  • the orientation and / or position of the respective mixing element 7 on the mixing shaft 3 can therefore be chosen flexibly.
  • the mixing parts 5, in the Fig. 3 to 10 are each designed as a mixing wing. As described above in the general description, however, other embodiments of the mixing part 5 are possible, which are not exhaustively enumerated herein.
  • a plurality of mixing elements 7 designed as driving elements 8 and several push-pull elements 9 are plugged on.
  • the order of the drive elements 8 and / or push-pull elements 9 can be freely determined by the user. This has the advantage that mixing properties of the continuous mixer 1 can be set to the respective field of application.
  • mixing elements 7 are referred to transport the medium from the inlet region of the mixing chamber 2 to the outlet 48, and symbols 9 referred to as such mixing elements 7, which transport the medium in the opposite direction.
  • the Jacobtreibimplantation 9 therefore allow during a mixing process an extension of the Residence time of the medium in the mixing chamber 2.
  • the holding parts 4 each have a holding profile 11, via which the respective holding part 4 can be plugged onto the mixing shaft 3 in the axial direction.
  • An inner contour 12 of the retaining profile 11 is adapted to an outer contour 13 of the mixing shaft 3, so that a torque transmission from the mixing shaft 3 to the holding part 4 and / or the attached to the holding part 4 mixing part 5 is possible.
  • the inner contour 12 of the holding profile 11 and / or the outer contour 13 of the mixing shaft 3 out of round and in cross-section at least partially angular, in particular at least partially square.
  • the holding part 4 has a pin 14 and the mixing part 5 has a pin receptacle 15 corresponding to the pin 14.
  • a mechanical interface 15 is formed between the holding part 4 and the mixing part 5.
  • the pin 14 and / or the pin receptacle 15 have a radially extending slope. This allows a simpler placement of the mixing part 5 on the holding part 4.
  • the aforementioned slope of improved demolding of preferably designed as a casting mixing part 5 serves here.
  • a draft angle of 1.5 degrees per side can be provided. This may be an advantage if the Entformungsschräge is formed as low as possible in order to achieve the best possible power through a contact surface of the pin 14, which comes into contact with a lying in the pin receiving surface 15 of the mixing part 5 in the mounted state , It may be particularly advantageous if the Bevel of the pin 14 in the circumferential direction with respect to the mixing shaft 3 is formed larger than a position of the slope in the axial direction.
  • the pin 14 extends within the pin receptacle 15 over a maximum of 2/3 of the total length of the mixing part 5.
  • the aforementioned draft angle may refer to a deviation with respect to a radial direction with respect to the mixing shaft 3.
  • the pin 14 and / or the associated pin receptacle 15 has a non-circular and / or asymmetrical cross-section.
  • the cross section of the pin 14 and / or the pin receptacle 15 decreases transversely or perpendicular to a flow direction 17 of the medium to be mixed.
  • the journal 14 has a notch 18 and the journal receptacle 15 has a material accumulation 19 corresponding thereto.
  • the outer surfaces of the accumulation of material 21 are in the mounted state on the outer surfaces 20 of the notch at least partially.
  • the mechanical interface 16 between the two parts 4, 5 is designed as a key-lock interface.
  • This can be achieved, for example, in that holding parts 4 of driving elements 8 and mixing parts 5 of push-pull elements 9 are designed to be incompatible with one another.
  • the pin 14 has an S-shaped cross section and the pin receptacle 15 has a corresponding shape.
  • other forms are conceivable, which are not exhaustively enumerated herein.
  • the holding parts 4 and the mixing parts 5 each have a channel 22, 23, which form a continuous fixing channel 24 in the mounted state.
  • a fixing means 26 can be inserted, so that the mixing part 5 on the holding part 4 is fixable.
  • the fixing channel 24 extends obliquely to an outer surface 25 of the mixing part 5 and / or parallel to the mixing shaft 3.
  • the fixing means 26 may be formed, for example, as a retaining pin 27.
  • the fixing means 26 has an obliquely to a longitudinal axis 28 of the fixing means 26 provided head portion 29.
  • the head portion 29 preferably has a non-circular cross-section to further facilitate proper insertion for the user.
  • the head part 29 can form together with an outer surface 25 of the mixing part 5 a closed, in particular flat mixing surface.
  • a catch connection can be formed by the fixation means 26 and the mixing part 5 and / or the holding part 4.
  • a cross-sectional thickening 31 may be formed, which can be latched into a preferably formed as a groove recess 32 on an inner side of the fixing channel 24 and so even more slipping out of the fixing means 26 from the fixing channel 24 prevented.
  • the head part 29 is arranged in the inserted state on the outside 25 of the mixing part 5, on which there is a greater pressure exerted by the medium to be mixed during a mixing operation.
  • the mechanical interface 16 of the drive element 8 is structurally different, for example mirror-inverted, to the mechanical interface 16 of the push-pull element 9. This has the advantage that a rotationally secure attachment of the mixing part 5 is ensured on the holding part 4 and also a faulty coupling between mating holding parts 4 and mixing parts 5 is prevented.
  • a scraper 47 may be arranged, which ensures that no medium in the end region of the mixing chamber 2 sets and the medium is transported via the outlet 48 from the continuous mixer 1.
  • the mixing elements 7 can be plugged onto the mixing shaft 3 in a manner similar to a box, it can lead to the medium having penetrated into the intermediate gaps between the individual mixing elements 7 after use of the continuous mixer 1 and hardened.
  • the sealing element 36 acts in the plugged state on the mixing shaft 3 with the on this sealing element 36th adjacent end faces 35 adjacent holding parts 4 together and seals the intermediate gap between the holding parts 4. It may be particularly expedient if the sealing element 36 is formed monolithically and / or in one piece with the retaining profile 11.
  • the sealing element 36 may be configured for example as an annular shoulder.
  • the mixing part 5 can be produced as a cast part and preferably consists of a softer material than the holding part 4. Particularly suitable for this purpose are, for example, plastics, in particular polyurethane. This has the advantage that fixed and hardened medium can be removed by bending and / or deforming the mixing part 5 at the mixing part 5. Also in the pin receptacle 15 penetrated medium can thus be easily solved by the mixing part 5, so that the mixing part 5 is again removable from the holding part 4.
  • the mixing part has a dividing element 38 arranged on an immersion side 37 of the mixing part.
  • the dividing element 38 is arranged parallel to the mixing shaft 3.
  • the invention also relates to a series with at least two continuous mixers 1 of the above-mentioned type, wherein the continuous mixer 1 mixing parts 5 have different lengths of neck 39 between the head portions 49 and the foot areas 50, such as in the FIGS. 5 and 6 in comparison to the FIGS. 9 and 10 can be seen.
  • the production of the longer neck regions 39 is combined, for example, by the use of an intermediate casting mold with the same parent mold, which is also used for the production of the short mixing parts 5, possible.
  • the head portions 49 are configured identical to each other in the different mixing parts 5.
  • the production is carried out by an injection molding process.
  • the invention thus relates primarily to a continuous mixer 1 for mixing a medium of pulverulent material and a liquid, wherein the continuous mixer 1 a Schüttgutzuschreibabêt 40, a metering 41 and a mixing chamber 2 for mixing the powdery material and the liquid, wherein a shaft 43rd extends through all three sections 2, 40, 41 and the shaft 43 is configured within the mixing chamber 2 as a mixing shaft 3 with at least one mixing element 7, wherein the mixing element 7 is formed from a holding element 4 and a mixing element 5 radially removable therefrom.
EP18168229.5A 2018-04-19 2018-04-19 Mélangeur continu et procédé Withdrawn EP3556457A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18168229.5A EP3556457A1 (fr) 2018-04-19 2018-04-19 Mélangeur continu et procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18168229.5A EP3556457A1 (fr) 2018-04-19 2018-04-19 Mélangeur continu et procédé

Publications (1)

Publication Number Publication Date
EP3556457A1 true EP3556457A1 (fr) 2019-10-23

Family

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EP18168229.5A Withdrawn EP3556457A1 (fr) 2018-04-19 2018-04-19 Mélangeur continu et procédé

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EP (1) EP3556457A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112221406A (zh) * 2020-12-09 2021-01-15 佛山市普力达科技有限公司 一种全品级硅酮胶连续化生产系统
CN114307802A (zh) * 2022-03-15 2022-04-12 广州佳卡纳化妆品开发有限公司 一种口红生产用晃动式原料混合设备

Citations (6)

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CH408743A (de) * 1962-05-16 1966-02-28 Erbes & Co Mischeinrichtung für Beton, Asphalt und dergl. Massen
US3917235A (en) * 1974-04-26 1975-11-04 Combustion Eng Mixing apparatus
US3964732A (en) * 1974-12-30 1976-06-22 Hartley Controls Corporation Apparatus for mixing molding sand
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