EP3117896B1 - Arrangement d'un récipient de mélange et d'une station de vidange - Google Patents

Arrangement d'un récipient de mélange et d'une station de vidange Download PDF

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Publication number
EP3117896B1
EP3117896B1 EP16175173.0A EP16175173A EP3117896B1 EP 3117896 B1 EP3117896 B1 EP 3117896B1 EP 16175173 A EP16175173 A EP 16175173A EP 3117896 B1 EP3117896 B1 EP 3117896B1
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EP
European Patent Office
Prior art keywords
mixing
container
mixing container
arrangement according
wall
Prior art date
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Application number
EP16175173.0A
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German (de)
English (en)
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EP3117896A2 (fr
EP3117896A3 (fr
Inventor
Wolfgang Rüberg
Ulrich Tölle
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Dr Herfeld GmbH and Co KG
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Dr Herfeld GmbH and Co KG
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Priority to PL16175173T priority Critical patent/PL3117896T3/pl
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Publication of EP3117896A3 publication Critical patent/EP3117896A3/fr
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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
    • 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
    • B01F35/75425—Discharge mechanisms characterised by the means for discharging the components from the mixer using pistons or plungers
    • 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
    • B01F35/511—Mixing receptacles provided with liners, e.g. wear resistant or flexible liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/30—Mixers with shaking, oscillating, or vibrating mechanisms comprising a receptacle to only a part of which the shaking, oscillating, or vibrating movement is imparted
    • B01F31/31—Mixers with shaking, oscillating, or vibrating mechanisms comprising a receptacle to only a part of which the shaking, oscillating, or vibrating movement is imparted using receptacles with deformable parts, e.g. membranes, to which a motion is imparted
    • B01F31/311—Mixers with shaking, oscillating, or vibrating mechanisms comprising a receptacle to only a part of which the shaking, oscillating, or vibrating movement is imparted using receptacles with deformable parts, e.g. membranes, to which a motion is imparted the motion being a linear movement to one part of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/512—Mixing receptacles characterised by surface properties, e.g. coated or rough
    • 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
    • B01F35/513—Flexible receptacles, e.g. bags supported by rigid containers

Definitions

  • the invention relates to an arrangement comprising a mixing container and an emptying station.
  • the invention further relates to a method for emptying a mixing container in such an arrangement.
  • Mixing containers of this type are connected to a mixing machine for mixing the material contained therein.
  • Mixing machines of this type are industrial mixers which are used for mixing, in particular, bulk material, typically powdery bulk material, such as is required, for example, for producing plastic granulate mixtures or also in the paint industry.
  • These mixing machines have a mixing head which is pivotably mounted relative to a frame and which at the same time serves to close a mixing container which contains the material to be mixed and which is connected to the mixing head for the purpose of mixing the material to be mixed therein. After connecting the mixing container to the mixing head, a closed container is formed from the mixing head and the container containing the material to be mixed.
  • the mixing head has one or more connecting elements, for example a circumferential flange as a contact surface for a complementary connecting flange of the mixing container, and locking elements for locking the mixing container to the mixing head.
  • these mixers are also addressed as container mixers.
  • the mixing head itself is pivoted relative to the machine frame of the mixing machine, so that the mixing in relation to the mixing head is in an overhead position, in which the mixing head is at the bottom and the mixing container connected to it at the top. In this position, the discharge opening on the underside of the mixing container points upwards.
  • This overhead position is necessary so that the mix is in contact with the at least one mixing tool carried by the mixing head is coming.
  • the rotary driven mixing tool is used to generate a mix flow within the closed mixing room.
  • the duration of the mixing process determines the degree of mixing.
  • Such an industrial mixer is, for example, out EP 0 225 495 A2 known.
  • Mixing containers of the type described above are made of stainless steel so that they meet the requirements placed on the container when mixing.
  • the filling opening of the mixing container is formed by the upper end of an annular cylindrical wall.
  • a truncated cone section which is designed as a ring and adjoins this in the direction of the outlet, through which the inside diameter of the container tapers from a cylindrical diameter to the diameter of the outlet.
  • a shut-off valve is installed in the outlet, which is typically designed as an outlet channel, for opening and closing the same. This can usually be operated manually from the outside using a lever. If the mixed material contained in such a mixed container is mixed, the mixed container with the mixed mixed material is moved to an emptying station. In this the outlet is connected to the inlet of the next process station.
  • the shut-off valve is then opened so that the mixed pourable mix contained in the mixing container can flow out of it.
  • a mixing container is emptied in one batch or in several smaller batches, depending on the downstream process station. In the latter case, the mixing container still serves as a storage container.
  • DE 10 2010 016 595 A1 describes a mixer with a rotatable mixing container, wherein the mixing container is designed as a dimensionally stable grid and the interior of the mixing container is designed with an interchangeable, flexible and in the state filled with a mixture of the mixing container bulging in the spaces between the grid insert.
  • DE 1 814 384 relates to a kneader for dough-like explosives.
  • This device has a rigid, elongated housing in which a hose made of an elastic material is attached.
  • the hose is surrounded in sections from an inlet space to an ejection end by chambers which are connected to a pressure medium source and which are actuated by the pressure medium in a predetermined sequence, in such a way that a worm-like feed movement is produced in the hose.
  • DE 2 250 432 discloses a pneumatic pressure vessel with a conical outlet funnel, which is double-walled at least in the lower region.
  • the cavity between the outer wall and the flexible inner wall can be connected to a compressed air source. This serves the purpose that the flexible inner wall of the discharge funnel can be set in vibration.
  • US 2012/0175012 A1 describes a method and an apparatus for mixing and transporting liquids.
  • This device has a sack-shaped structure in which a mixing tool engages for mixing.
  • EP 0 892 255 A1 discloses a device for conveying and weighing bulk goods.
  • This device comprises a frame with a load cell and an outlet on the underside.
  • This frame is open at the top so that a container closed with a lid can be hung in it.
  • the container has a flange which projects in the radial direction and which rests on the load cell.
  • the outlet of the container is connected to the outlet by means of a sleeve.
  • the container itself is made of a flexible material and has reinforcements applied on the outside. Vibrators are connected to these.
  • GB 2 363 787 A describes an emptying aid for a bag filled with bulk goods.
  • this emptying station provided for emptying sacks, the sacks are suspended from above by means of a crane.
  • This emptying station has pressure bodies that are designed to move the sack inwards.
  • the emptying station and the bags have a square cross-sectional geometry.
  • the pressure bodies are arranged to act on the corners of a sack suspended in the emptying station.
  • GB 2 240 965 A discloses an emptying station for emptying bulk goods held in flexible containers.
  • the container is introduced into the emptying station from above.
  • Pressure bodies are used to deform the container, which changes its shape.
  • DE 43 20 446 A1 discloses an apparatus for emptying sacks containing free-flowing goods. This device comprises a support structure and a bag emptying device carried by the support structure. In this prior art too, the sack is placed on the emptying station from above by means of a crane.
  • the invention is therefore based on the object of designing a mixing container of the type mentioned at the outset in such a way that it can be emptied in accordance with the intended purpose, even if it is filled with mixing material tending towards mixing material bridges, without any appreciable additional noise.
  • the mixing container of this arrangement has a flexible mixing container and a container frame in which the flexible mixing container is held. At least the wall enclosing the cavity of the mixing container has flexible properties, so that it can be deformed by external action using these properties. Thus, a deformation acting on this wall from the outside leads to an indentation of the wall, and thus to a change in the geometry of the cavity enclosed by the wall. Such a deformation of the wall simply destroys a mix bridge that may have formed in the cavity of the mixing container.
  • the mixing container is inherently sufficiently dimensionally stable so that, when held in the container frame, it provides the cavity required for the mixing process without collapsing.
  • a container therefore has a sufficient wall thickness. It will be taken into account that the mixing container is held by the container frame, the mixing container being connected to the container frame with its upper and lower end according to a preferred embodiment. The mixing container is thus held in the direction of its height by the container frame. For the rest, the dimensional stability of the wall surrounding the cavity is sufficient to prevent it from falling in during the mixing process.
  • the mixing process with such a mixing container is carried out with a certain excess pressure in the cavity containing the material to be mixed, when the mixing container is connected to the mixing head of a mixing machine.
  • This excess pressure which can be, for example, 0.3-0.5 bar above ambient pressure, builds up during the mixing process and can support the shape retention of the flexible wall enclosing the cavity.
  • Such a mixing container is therefore particularly suitable for carrying out a mixing process if it is connected to a mixing machine, by which it is provided in any case to carry out the mixing process with a certain excess pressure.
  • the mixing container is made of a material that is elastically stretchable at least to a certain extent. It is provided that when mixing a material to be mixed in a mixing container with such a container, its volume increases if an overpressure develops in the mixing cavity, for example in the order of magnitude mentioned above. The increase in volume of the mixing container associated with the pressure increase in the mixing container causes a slower increase in pressure within the cavity.
  • mixed material is mixed in the mixing container, which may only be mixed with a maximum internal pressure and / or only with a maximum temperature effect in the mixing container. While this condition limits the duration of a mixing process in conventional mixing containers, when using a mixing container of the type described above, the mixing time can be longer due to the slower increase in internal pressure. This is set by the elasticity of the material selected for the production of the mixing container and the wall thickness. In order to achieve a significant increase in the mixing time for the mixing process, for example 10-20%, due to the size of such mixing containers (for example 2000 liters) this is already achieved with a relatively small wall expansion of the mixing container.
  • the container frame is preferably designed to limit the maximum wall expansion.
  • the mixing container is produced with a certain undersize in relation to the radial expansion of the mixing container in relation to the holder of the container frame.
  • the relevant abutment of the container frame can be provided by struts, strips, wall segments or the like, against which abutment the outer wall of the mixing container is pressed with a corresponding increase in internal pressure.
  • the mixing container has a circumferential, outwardly projecting holding flange in the area of its filling opening, which is in contact with the surface of the connecting flange of the container frame facing the mixing head brought.
  • the holding flange is preferably fixed to the connecting flange of the container frame in that the holding flange carries, via a connecting extension formed on it, in the manner of a piping edge, which connecting extension engages in a circumferential groove made in this surface of the connecting flange of the container frame. This groove can be undercut.
  • the connecting extension of the mixing container then expediently has a thickening, designed as a hollow chamber, for easier insertion into the undercut groove, which engages in the undercut of the groove in the contact flange.
  • the mixing container has a flange which also projects outward in the radial direction and is connected to a complementary flange in the area of the inlet of the outlet of the container frame. For example, quick-release clamps can be used to fix the flanges, which are then sealed together.
  • this material can simultaneously serve for the necessary sealing between the mixing container and the mixing head of the mixing machine, so that additional seals are not required when connecting the mixing container to the mixing head or for connecting the outlet-side end of the mixing container to the outlet of the container frame .
  • the production of the mixing container from an elastomer or a polymer with corresponding elastic properties also allows the inner surface to be coated with an adhesion-minimizing material, such as PTFE (polytetrafluoroethylene).
  • an adhesion-minimizing material such as PTFE (polytetrafluoroethylene).
  • PTFE polytetrafluoroethylene
  • the inner surface of the mixing container can also have a surface structuring that minimizes adhesion. A combination of these measures is also possible.
  • the above-described mixing container not only has the advantage that the wall enclosing the cavity can be tumbled for training purposes to prevent mixed material material bridges and / or to eliminate existing mixed material material bridges, but also that the mixed container can be removed from the container frame.
  • a first mixing container can be used to mix a first mixing material, which is exchanged for a second mixing container if another mixing material is currently to be mixed. Due to its flexible wall properties, the first exchanged mixing container can be stored in a space-saving manner, for example on a shelf.
  • several mixing containers can be provided for each mix to be mixed in relation to a container rack, each of which is assigned to a mix to be mixed therein and, if necessary, is mounted in or on the container rack. In this way, cleaning work of the mixing container can be reduced to a minimum when mixing batches of different mixes. As a rule, only the spout then needs to be cleaned.
  • a mixing container 1 comprises an overall reference number 2 in Figure 1 marked container frame and a mixing container 3, which is held in the container frame 2.
  • the mixing container 3 surrounds a cavity 4, in which the in Figure 1 Recognizable filling opening 5 mix can be introduced.
  • the mixing container 1 corresponds to those as are known from previously known mixing containers.
  • the container frame 2 sits on swivel castors 6 so that it can be moved easily.
  • the container frame 2 of the illustrated embodiment provides a receptacle 7 in which the mixing receptacle 3 is inserted (see Figure 2 ).
  • This receptacle receptacle 7 is provided by a plurality of strips 8 which are arranged circumferentially at the same or approximately the same angular distance from one another and which represent an abutment for the outer wall of the mixing receptacle 3 in the radial direction.
  • the shape of the strips 8 is adapted to the outer shape of the mixing container 3 in the direction of its longitudinal extent.
  • These strips 8 are connected to an upper ring, which forms its connecting flange 9 with respect to the mixing container 1.
  • the mixing container 1 With its connecting flange 9, the mixing container 1 is connected to the mixing head of an industrial mixing machine, for example one such as this one DE 20 2014 101 787 U1 or off DE 20 2009 001 937 U1 has become known. These mixing machines are designed so that no heat, or at any rate no appreciable heat, is introduced into the material to be mixed during the mixing process. Mixing without heat input is preferred for use of the mixing container 1.
  • the connecting flange 9 is also supported via supports 10 on a carriage 11 carrying the swivel castors 6 as part of the container frame 2.
  • An outlet 13 is arranged between two longitudinal struts 12, 12.1 of the carriage 11.
  • the outlet 13 comprises an outlet channel 14, in which a butterfly valve 15, in Figure 2 located in the locked position.
  • the butterfly valve 15 can be actuated via a lever 16 and can be opened by pivoting the same.
  • the upper end of the outlet channel 14 carries a connection flange for the purpose of connection the mixing container 3.
  • Figure 3 shows the mixing container 3 in a perspective view.
  • the mixing container 3 carries a circumferential holding flange 17 on the top, which projects outward in the radial direction.
  • the holding flange 17 is designed to be connected to the connecting flange 9 of the container frame 2, the holding flange 17 also being provided as a seal between the connecting flange 9 of the container frame 2 and a complementary flange of the mixing head of the mixing machine.
  • the mixing container 3 has a geometry as is known from previously known mixing containers. Therefore, the mixing container 3 has an upper cylindrical section 18, an adjoining conically tapered section 19 and an outlet section 20.
  • the outlet section 20 carries on the underside a connecting flange 20.1 projecting outwards in a radial direction in order to connect the mixing container 3 to the outlet 13 or the outlet Connect the entrance of the outlet channel 14 of the container rack.
  • the mixing container 3 of the exemplary embodiment shown consists of a vulcanized rubber material with a Shore A hardness of approximately 50 to 70.
  • the hardness of the material selected for the formation of the mixing container 3 thus corresponds approximately to that of a vehicle tire.
  • the wall thickness of the mixing container 3 of the illustrated embodiment is approximately 3 mm.
  • the inner wall of the mixing container 3 is provided with an adhesion-minimizing coating, a PTFE coating being selected in the exemplary embodiment shown.
  • the cavity 4 is thus bordered by the sections 18, 19 in the mixing container 3. Due to the aforementioned material, this wall, consisting of sections 18, 19, is flexible and, to a certain extent, elastically stretchable.
  • the mixing container 3 is made with a certain undersize in its diameter with respect to its dimensions with respect to the internal dimensions of the container receptacle 7 of the container frame 2.
  • the mixing container 3 is dimensionally stable when connected to the container frame 2. This means that the wall formed from sections 18, 19 maintains its original and intended shape, even if the Mixing container 1 filled with mix, connected to the mixing head of a mixing machine and this is pivoted into its mixing position.
  • shape stability is to be understood to mean that the wall of the mixing container 3 formed from the sections 18, 19 does not fall into the cavity when the mixing container 1 is upside down and the mixing cavity thus maintains its intended shape. For this purpose, it is not absolutely necessary that no wall movements may occur when using the mixing container in this way. Only an incidence and thus a significant change in the geometry of the cavity 4 should be avoided.
  • FIG. 4 While in the embodiment of the Figures 1 to 3 the mixing container 3 with its holding flange 17 is connected to the connecting flange 9 of the container frame 2 by means of screws, is in Figure 4
  • a further connection concept for connecting the filling end of a mixing container 3.1 to a container rack is shown.
  • the container rack is in Figure 4 only shown in the area of a section of its upper circumferential connecting flange 9.1. Otherwise, this container frame corresponds to the container frame 9 of the previous figures.
  • a circumferential undercut groove 22 is made in the top 21 of the connecting flange 9.1. This groove 22 serves to lock a connecting extension 23 which is formed on the holding flange 17.1 of the mixing container 3.1 and which is designed as a hollow chamber profile in the exemplary embodiment shown.
  • This configuration enables the thickened part of the connecting extension 23 to be simply pushed into the groove 22 of the connecting flange 9.1, specifically through the tapered section of the groove 22.
  • the shaping of the connecting flange 23 is provided in the illustrated embodiment at a distance from the radially outer end of the holding flange 17.1. In the radial direction, the holding flange 17.1 also has a plurality of mounting tabs 24 arranged around the circumference. These protrude beyond the outer end of the connecting flange 9.1. These serve as a handle for pulling the connection extension 23 out of the circumferential groove 22 when the mixing container 3.1 is to be removed from the container frame.
  • a mixing container 1 filled with mixed material is connected to the mixing head of a mixing machine for mixing.
  • the drive shafts of the mixing tool or tools which penetrate the floor and / or the wall are sealed off from a mixture material outlet by means of an air-based gap seal.
  • air is introduced into the then closed mixing container formed from the mixing container and mixing head during the mixing process, as a result of which the internal pressure gradually increases.
  • the elastic stretchability of the mixing container 3 of the mixing container 1 described above dampens the pressure increase, so that the mixing time can be dimensioned correspondingly longer without exceeding a maximum internal pressure which should not be exceeded for the mixed material.
  • the mixing container 1 is detached from the mixing head of the mixing machine and moved to an emptying station 30.
  • the emptying station 30 has a retraction position, which is provided by two struts 31, 31.1 in the exemplary embodiment shown. If the mixing container 1 is in its docking position in the retracted position (see Figure 5 ), its outlet channel 14 is connected to an emptying channel 32 assigned to the emptying station 30. The mixed material to be found in the mixing container 1 is fed to the further process chain via this emptying channel 32. The shut-off valve 15 of the mixing container 1 is opened for emptying.
  • the mixing container is shown in a schematic longitudinal section.
  • the emptying station 30 has two pressure devices 33, 33.1.
  • the printing device 33 is described below.
  • the printing device 33.1 is constructed in the same way.
  • the pressure device 33 serves to deform a section of the wall of the mixing container 3, as is shown schematically in FIG. 5. The original shape is shown in dashed lines with respect to this wall.
  • the pressure device 33 has a pressure body 34 which, at the free end of the piston 35, is a piston-cylinder arrangement which is identified overall by the reference number 36.
  • the extension of the piston 35 with its pressure body 34 from the associated cylinder against the outside of the wall of the mixing container formed from the sections 18 and 19 leads to a deformation the same.
  • Mixing material bridges built up within the mixing container 3 or mixing material bridges built up therein during the emptying process can be counteracted or eliminated by repeated pushing in and out in the manner described above.
  • the pushing-in movement of the wall of the mixing container 3 takes place against the restoring forces of the mixing container 3 and against the mixed material located in the mixing container 3. For this reason, the wall of the mixing container 3 will return to its original shape when the pressure body 34 moves back.
  • the two printing devices 33, 33.1 are operated alternately. The spacing of the strips 8 of the container frame 2 from one another is sufficient so that the pressure bodies 34 can be passed through.
  • Figure 6 shows a further mixing container 1.1 with a container frame 2.1 and a mixing container 3.2.
  • the mixing container 1.1 is basically constructed like the mixing container 1 of the preceding figures.
  • the mixing container 1.1 differs from the mixing container 1 in that its mixing container 3.2 is more dimensionally stable.
  • the container frame 2.1 has an upper connecting flange 9.2 which is supported on the carriage 11.1 by means of supports 10.1.
  • three supports 10.1 are provided.
  • the supports 10.1 carry an iron ring 25, by means of which the container 3.2 is supported on the outside in the region of its lowermost cylindrical section.
  • the mixing container 3.2 has the same properties as the mixing containers 3, 3.1 already described above.
  • the mixing container 3.2 has a connecting flange 26 at its lower end.
  • the connecting flange 26 comprises a steel ring as an insert 27. This serves to stiffen the connecting flange 26.
  • the upper side of the steel insert 27 is exposed in its radial outer edge region. This outer section of the steel insert 27 serves as a clamping or clamping surface.
  • For fixing of the connecting flange 26 at the outlet 28 of the container frame 2.1 serve two clamping levers 29, 29.1.
  • the outlet 28 has a recess on the top side for receiving the connecting flange 26.
  • the latches 29.2, 29.3 of the clamping levers 29, 29.1 overlap the receptacle for the locking flange 26 and act on the upper side of the steel insert 27, so that the connecting flange 26 as a whole is under a certain pretension the complementary receptacle of the outlet 28 is pressed in. In this way, the lower end of the container 3.2 is sealed and securely connected to the outlet 28 of the container frame 2.1.
  • the simple connection of the connecting flange 26 to the outlet 28 is particularly advantageous. For this purpose, only the clamping levers 29, 29.1 need be actuated.
  • the mixing container 3.2 also has a holding flange 17.2 reinforced by a steel insert on the upper side. This lies on the top of the connecting flange 9.2 of the container frame 2.1. Due to the steel insert, the holding flange 17.2 is dimensionally stable, so that no further means are required at this point to hold the mixing container 3.2 with its holding flange 17.2 on the connecting flange 9.2.
  • the mixing container 1.1 is emptied in the same manner as that described for the mixing container 1.
  • the container frame can also have surrounding walls or wall sections as long as there is sufficient access to be able to influence the outside wall of the mixing container arranged therein for the purposes mentioned.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Claims (13)

  1. Arrangement comportant un conteneur de mélange (1, 1.1) et une station de vidange (30), lequel conteneur de mélange (1, 1.1) présente sur le dessus une ouverture de remplissage (5) avec, dans la zone de l'ouverture de remplissage (5) du dessus, une bride de raccordement (9, 9.1) en saillie vers l'extérieur dans le sens radial, destinée à raccorder le conteneur de mélange (1, 1.1) à une tête de mélange d'une machine de mélange industrielle, ainsi qu'un écoulement (13) verrouillable et déverrouillable sur le dessous, le conteneur de mélange (1, 1.1) comprenant un récipient de mélange (3, 3.1) formant l'espace creux (4) du conteneur de mélange (1,1.1), avec une paroi (18, 19) flexible dans le sens radial délimitant son espace creux, laquelle est dotée d'une stabilité de forme empêchant un effondrement sur elle-même pendant le processus de mélange, et un châssis de conteneur (2, 2.1) maintenant le récipient de mélange (3, 3.1) avec la bride de raccordement (9, 9.1) et l'écoulement (13), sur lequel châssis de conteneur (2, 2.1) le récipient de mélange (3, 3.1) est maintenu de telle sorte que sa paroi (18, 19) délimitant l'espace creux (4) est accessible au moins partiellement dans le sens circonférentiel afin de réaliser une déformation de celle-ci dans le sens radial et laquelle station de vidange (30) présente une position d'engagement pour le conteneur de mélange (1, 1.1) qui y est engagé, dans laquelle l'écoulement (13) du conteneur de mélange (1, 1.1) peut être couplé à une arrivée (32) afin de réceptionner le produit de mélange et comprend au moins un corps de pression (34) mobile dans le sens radial par rapport à la paroi flexible (18, 19) du conteneur de mélange (1, 1.1), lequel est conformé de manière à ce qu'il peut enfoncer la paroi flexible (18, 19) lorsque le conteneur de mélange (1, 1.1) est engagé dans la station de vidange (30).
  2. Arrangement selon la revendication 1, caractérisé en ce que le récipient de mélange (3, 3.1) supporte à son extrémité côté ouverture de remplissage une bride de maintien (17, 17.1) circonférentielle, en saillie vers l'extérieur dans le sens radial, et en appui sur la bride de raccordement (9, 9.1) du châssis du conteneur (2).
  3. Arrangement selon la revendication 2, caractérisé en ce que, dans la surface de raccordement (21) de la bride d'appui (9.1) du châssis du conteneur (2, 2.1), orientée vers la tête de mélange, est aménagée une rainure (22) circonférentielle, de préférence contre-découpée et que sur la bride de maintien (17.1) du récipient de mélange (3.3.1) est moulée une avancée de liaison (23) qui s'engage dans la rainure (22) et est maintenue dans celle-ci.
  4. Arrangement selon l'une des revendications 1 à 3, caractérisé en ce que le récipient de mélange (3, 3.1) présente sur son côté écoulement une bride de liaison (20.1) circonférentielle en saillie radiale vers l'extérieur, destinée à raccorder le récipient de mélange (3, 3.1) à l'entrée de l'écoulement (13) du châssis du conteneur (2).
  5. Arrangement selon la revendication 4, caractérisé en ce que la bride de liaison (26) présente un insert (27) annulaire de rigidification.
  6. Arrangement selon la revendication 5, caractérisé en ce que l'insert (27) de rigidification est librement exposé, du moins dans certaines zones en direction du récipient de mélange (3.2) afin de mettre à disposition une surface de serrage et que, pour raccorder la bride de liaison (26) du récipient de mélange (3.2) à l'écoulement (28) du châssis du conteneur (2.1), le châssis du conteneur (2.1) comprend un logement renfoncé circulaire de réception de la bride de liaison ainsi que deux leviers de serrage (29, 29.1), qui, par leur verrou (29.2, 29.3), s'engagent dans le logement de réception de la bride de liaison dans leur position de maintien de la bride de liaison (26).
  7. Arrangement selon l'une des revendications 1 à 6, caractérisé en ce que la paroi (18,19) du récipient de mélange (3, 3.1) délimitant l'espace de mélange est fabriquée dans un matériau élastique extensible et que la circonférence extérieure de cette paroi (18, 19) est quelque peu sous-dimensionnée par rapport à la circonférence intérieure du logement (7) du récipient du châssis du conteneur (2).
  8. Arrangement selon la revendication 6, caractérisé en ce que le récipient de mélange (3, 3.1) est fabriqué dans un élastomère ou d'un polymère aux propriétés caoutchouteuses-élastiques.
  9. Arrangement selon la revendication 8, caractérisé en ce que la paroi intérieure du récipient de mélange (3, 3.1) est équipée d'un revêtement réduisant l'adhésion par rapport au produit qui y est mélangé et/ou d'une structure de surface similaire.
  10. Arrangement selon l'une des revendications 1 à 9, caractérisé en ce que le corps de pression est l'extrémité librement mobile d'un piston de commande (35) d'un arrangement piston-cylindre (36) entraîné pneumatiquement ou hydrauliquement.
  11. Arrangement selon l'une des revendications 1 à 10, caractérisé en ce que le corps de pression (34) mobile est raccordé au châssis de la station de vidange (30).
  12. Procédé pour vider un conteneur de mélange dans l'arrangement selon l'une des revendications 1 à 11, caractérisé en ce qu'au moins un corps de pression (34) se déplace contre la paroi (18, 19) flexible du récipient de mélange (3, 3.1) afin de déformer un tronçon de ce dernier et est ensuite remis en position initiale.
  13. Procédé selon la revendication 12, caractérisé en ce que la station de vidange (30) comporte deux dispositifs de pression (33, 33.1) et que les dispositifs de pression (33, 33.1) sont actionnés alternativement.
EP16175173.0A 2015-06-23 2016-06-20 Arrangement d'un récipient de mélange et d'une station de vidange Active EP3117896B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16175173T PL3117896T3 (pl) 2015-06-23 2016-06-20 Układ kontenera mieszalniczego ze stacją opróżniania

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DE202015103285.4U DE202015103285U1 (de) 2015-06-23 2015-06-23 Mischcontainer sowie Entleerstation für einen solchen Mischcontainer

Publications (3)

Publication Number Publication Date
EP3117896A2 EP3117896A2 (fr) 2017-01-18
EP3117896A3 EP3117896A3 (fr) 2017-03-29
EP3117896B1 true EP3117896B1 (fr) 2020-05-13

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US (1) US10265669B2 (fr)
EP (1) EP3117896B1 (fr)
DE (1) DE202015103285U1 (fr)
ES (1) ES2809700T3 (fr)
PL (1) PL3117896T3 (fr)
PT (1) PT3117896T (fr)

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PT2951452T (pt) * 2013-02-01 2016-11-04 Asociación Centro De Investigación Coop En Biomateriales Sistema de agitação não intrusivo
DE202015103284U1 (de) * 2015-06-23 2016-09-26 Dr. Herfeld Gmbh & Co Kg Mischmaschine sowie Inliner dafür
EP3530348B1 (fr) 2018-02-20 2021-09-08 Dr. HERFELD GmbH & Co. KG Machine à mélanger
US11224848B2 (en) * 2018-02-20 2022-01-18 Dr. Herfeld Gmbh & Co. Kg Mixing machine
CN113895799B (zh) * 2021-09-17 2023-02-28 华能营口热电有限责任公司 一种火电供煤煤斗的防堵煤用气锤震打振动装置

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Also Published As

Publication number Publication date
PT3117896T (pt) 2020-08-05
ES2809700T3 (es) 2021-03-05
US10265669B2 (en) 2019-04-23
PL3117896T3 (pl) 2021-01-25
DE202015103285U1 (de) 2016-09-26
EP3117896A2 (fr) 2017-01-18
US20160375416A1 (en) 2016-12-29
EP3117896A3 (fr) 2017-03-29

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