EP3181489A1 - Dispositif d'evacuation, dispositif de traitement de produits en vrac et procede de fabrication d'un dispositif d'evacuation - Google Patents

Dispositif d'evacuation, dispositif de traitement de produits en vrac et procede de fabrication d'un dispositif d'evacuation Download PDF

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Publication number
EP3181489A1
EP3181489A1 EP15200563.3A EP15200563A EP3181489A1 EP 3181489 A1 EP3181489 A1 EP 3181489A1 EP 15200563 A EP15200563 A EP 15200563A EP 3181489 A1 EP3181489 A1 EP 3181489A1
Authority
EP
European Patent Office
Prior art keywords
base body
outlet device
welding
outlet
closure element
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
Application number
EP15200563.3A
Other languages
German (de)
English (en)
Other versions
EP3181489B1 (fr
Inventor
Markus H. Gericke
Reto Schaffner
Boris Wechner
Hanspeter Bräm
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.)
Gericke AG
Original Assignee
Gericke AG
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 Gericke AG filed Critical Gericke AG
Priority to ES15200563T priority Critical patent/ES2835857T3/es
Priority to EP15200563.3A priority patent/EP3181489B1/fr
Publication of EP3181489A1 publication Critical patent/EP3181489A1/fr
Application granted granted Critical
Publication of EP3181489B1 publication Critical patent/EP3181489B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/62—Gates or closures having closure members movable out of the plane of the opening
    • B65D90/623—Gates or closures having closure members movable out of the plane of the opening having a rotational motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2590/00—Component parts, details or accessories for large containers
    • B65D2590/54—Gates or closures
    • B65D2590/542—Gates or closures special sealing means or means for improving sealing

Definitions

  • the invention relates to an outlet device, in particular for a device for processing bulk material, a device for processing bulk material with an outlet device and a method for producing an outlet device.
  • the object of the invention is, in particular, to provide an outlet device with a basic body, which can be produced inexpensively and / or which can be simply connected to the container device.
  • the object is achieved by the features of the independent claims, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • an outlet device in particular for a device for processing bulk material, is proposed with a base body provided for the material connection to a container device, which is designed as a cast part.
  • the base body By forming the base body as a casting, the basic body can be produced simply and cost-effectively with a shape adapted to its intended use.
  • an "outlet device” is to be understood as meaning, in particular, a device for the device for processing bulk material, which is provided for removal of bulk material from the device for processing bulk material.
  • a “main body” is to be understood in particular a part of the outlet device, which is intended to be firmly connected to a container wall of the container device.
  • a “casting” is to be understood in this context in particular a component whose basic shape was produced by means of a casting mold in a casting process.
  • the term "basic form” is to be understood in particular as meaning that at least one part, preferably at least 50%, particularly preferably 70%, of a volume of the main body in the casting process is given its shape.
  • Shaping in a post-processing step in particular by means of a machining process, can be omitted for at least part of the surface.
  • a "omission of a shaping in a post-processing step” is to be understood in particular that in the post-processing step in the region of the surface at most 10 mm, preferably at most 5 mm, and more preferably at most 3 mm material must be removed.
  • provided is intended to be understood in particular specially programmed, designed and / or equipped.
  • the main body has a welding edge, which is provided for the material connection with the container device.
  • the body can be easily and well connected to the container wall of the container device.
  • a welding edge is to be understood as meaning, in particular, a part of the surface of the base body in which a weld seam is attached when the base body is fastened to the container device.
  • the surface has a radius of curvature of at most 10 mm in the region of the welding edge.
  • the base body has a welding section adjoining the welding edge, in which the base body has a material thickness of at most 15 mm, preferably of at most 10 mm.
  • a heat input can be optimized.
  • a material of the base body quickly reaches a temperature necessary for producing the welded joint, whereby the welded connection with low heat input can be produced.
  • a "welding section” is to be understood as meaning, in particular, a section of the base body which is provided for forming the welding edge.
  • a "material thickness” is to be understood in particular as meaning a distance between two points on a surface of the basic body.
  • the material thickness should in particular be understood to be a distance between two points along the direction. If an indication of a direction is dispensed with, the material thickness should in particular be understood to mean a distance between two points along a direction parallel to a surface normal.
  • a "minimum material thickness" at a point of a surface is to be understood in particular to be a distance of this point to a point with a minimum distance on an opposite surface.
  • surfaces facing one another should be understood in particular as surfaces whose surface normals are oriented at points at minimum distance at an angle of at least 150 degrees, preferably at least 175 degrees, to one another.
  • the welding section has a radial extent of at least 20 mm, preferably 30 mm, particularly preferably 40 mm.
  • the heat input can be further improved.
  • it can be achieved that the necessary for the production of the weld heat input is at least partially delivered in the region of the weld section, whereby heating of adjacent sections can be limited.
  • a "radial extent" is to be understood in particular along a radial direction, with respect to a center axis of the outlet device.
  • the base body has a contact surface for engagement with the container device, the radial extent in at least one cross-sectional plane at most by a factor 10 is greater than the radial extent of the weld portion, ie the radial extent of the weld portion is in at least one cross-sectional plane at least 1/10 of radial extension of the contact surface.
  • This can be achieved for the radial extent of the weld portion dependent on the radial extent of the contact surface minimum size, can be ensured by the fact that the body still rests flat on the container device even after production of the weld.
  • the radial extension of the welding section in at least one cross-sectional plane at least 1/5 of the radial extent of the contact surface.
  • the main body has a passage opening with a groove for receiving at least one sealing element.
  • the at least one sealing element can be fixed to the base body.
  • the groove is a part of the basic shape, which is already produced by means of the casting process. Thereby, the groove can be easily manufactured, whereby the outlet device can be formed inexpensively.
  • the groove can also be introduced in a post-processing step.
  • the contact surface extending between the passage opening and the welding edge preferably has a curvature which is provided for surface contact with the container device.
  • Such a configuration is particularly simple formable when the base body is designed as a casting.
  • the base body has a support section with a receptacle for mounting a closure element.
  • the closure element can be stored well.
  • the recording can also be easily formed in the embodiment of the body as a casting.
  • a "closure element” is to be understood as meaning, in particular, an element which is intended to close the passage opening.
  • the receptacle is provided for a pivotable mounting of the closure element.
  • the base body in the support section has an axial material thickness which is at least a factor of 5 greater than the material thickness in the welded section. It can thereby be achieved that the base body in the support section heats up much more slowly due to its mass distribution than in the welded section, in particular at the welding edge. As a result, on the one hand, the temperatures required for the production of the welded connection can be achieved. At the same time, it can be prevented that the main body deforms in the support section.
  • An "axial direction” is to be understood as meaning a direction which is defined in particular by the passage opening.
  • the passage opening bounded by the basic body preferably defines the central axis of the Outlet device.
  • a "central axis” should be understood to mean, in particular, an axis which runs through a geometric center of the passage opening.
  • the axial material thickness is at least a factor of 7 and more preferably a factor of 10 greater than the material thickness of the main body in the welded portion.
  • the base body in the support section at least partially has a cylindrical and / or rectangular configuration.
  • a particularly stable configuration can be achieved.
  • an “at least partially cylindrical configuration” is to be understood in particular that at least a part of the surface of the support portion is formed in a cross-sectional plane perpendicular to the axial direction of at least one cylinder segment.
  • An “at least partially rectangular configuration” should be understood in particular to mean that the surface of the support section has at least two partial surfaces extending parallel to one another in a cross-sectional plane perpendicular to the axial direction.
  • the base body may have a partially cylindrical and partially rectangular configuration in the support section, for example in the form of an oval with surfaces running parallel to each other in partial areas.
  • the base body in the support portion has a wall whose axial thickness is at least 20 mm, preferably at least 30 mm and more preferably at least 40 mm and the radial material thickness is at least 10 mm.
  • the support section can be made particularly solid, in particular in comparison to the welded section.
  • the base body has a mass ratio of at least 10: 1, preferably at least 20: 1 and particularly preferably at least 50: 1, between the support section and the welded section, around which the support section is more solid than the welded section.
  • the main body can be made particularly solid.
  • a device for processing bulk material in particular a mixing device for bulk material, with a container device and an outlet device according to the invention is proposed.
  • the FIGS. 1 to 10 show a device for processing bulk material.
  • the device is provided as a mixing device for mixing a bulk material with different components.
  • the device for processing bulk material comprises a container device 10a with a container wall 11a.
  • the container device 10a spans an inner space, which is provided for receiving the bulk material.
  • the device further comprises a filling device 12a, via which the bulk material can be introduced into the device, and an outlet device 13a, via which the bulk material can be removed from the device.
  • the device comprises a mixing device, not shown, which is intended to mix the introduced into the container device 10a bulk material.
  • the device may have a conveying device which is provided to convey the bulk material introduced into the device in the direction of the outlet device 13a.
  • the outlet device 13a can also be used on other devices for storing, processing and / or conveying bulk material, for example in a mixer or in a delivery line.
  • the filling device 12a and the outlet device 13a are arranged offset relative to one another on the container device 10a.
  • the container device 10a comprises at least one filling recess provided for the filling device 12a and a discharging recess provided for the outlet device 13a.
  • the filling device 12a may have a lid which is provided to close the Ein Shellaussparung.
  • the filling device 12a as well as the container device 10a may have different configurations, in particular deviating from the illustrated embodiment.
  • the container device 10a has an underside on which the outlet device 13a is arranged.
  • the outlet device 13a is provided to close the outlet recess of the container device 10a when the bulk material is to be retained and to release the outlet recess when the bulk material or a part of the bulk material is to be conveyed.
  • the outlet device 13a comprises a base body 14a with a contact surface 15a for engagement with the container device 10a and a passage opening 16a, which in FIG assembled state is arranged in alignment with the Auslassaussparung in the container device 10a (see. FIGS. 2 to 7 ). Furthermore, the outlet device 13a comprises a closure element 17a, which is provided to close the passage opening 16a.
  • the closure element 17a is pivotally mounted. It has an open position in which the closure element 17a releases the passage opening 16a, and a closed position in which the closure element 17a closes the passage opening 16a.
  • the passage opening 16a can basically have different shapes.
  • the passage opening 16a has a circular and / or rectangular configuration.
  • the passage opening 16a may have an edge 21a which is designed in a partially circular and partially rectangular manner, for example in the form of an oval with surfaces running parallel to one another in partial areas.
  • the edge 21 a preferably has a radius of curvature of at least 95 mm.
  • the passage opening 16a at least a circular configuration with a diameter of at least 190 mm. Starting from this, different configurations of the passage opening 16a are conceivable.
  • the diameter can be, for example, 250 mm or 350 mm.
  • the passage opening 16a may have, for example, dimensions of 200 mm, 300 mm or 500 mm along one direction and 800 mm, 1200 mm or 2200 mm in a direction perpendicular thereto.
  • the passage opening 16a may have a size of 300 mm ⁇ 1200 mm, wherein the edge 21a has at least the radius of curvature of 95 mm.
  • the outlet device 13a is intended to be certified for use in the food industry. In particular, it complies with EHEDG requirements. All edges of the outlet device 13a, which can come into contact with the bulk material, have a radius of curvature of at least 3 mm.
  • the outlet device 13a has an axial direction 18a, which is defined in particular by the passage opening 16a.
  • the passage opening 16a delimited by the base body 14a has a cross-sectional area which is oriented perpendicular to the axial direction 18a.
  • the axial direction 18a corresponds to a direction along a height of the main body 14a is defined.
  • the closure member 17a is rotatably supported about an axis which is oriented perpendicular to the axial direction 18a.
  • the main body 14a is formed as a casting.
  • the entire base body 14a is integrally formed.
  • the main body 14a is made of a metal.
  • a casting mold is used which has all the essential contours of the main body 14a.
  • the passage opening 16a and a receptacle 26a for the closure element 17a are already at least preformed in the casting mold.
  • it may be provided in the production to further rework the main body 14a, in particular by machining processes in order to bring dimensions of the main body 14a to specified dimensions. In processes which bring a high heat input into the main body 14a, such as welding process, is omitted in the production of the base body 14a.
  • the finished, brought to tolerance base body 14a has a Rohformmasse which is at least 75%, preferably at least 90% of the finished cast, otherwise unprocessed base body 14a. In post-processing, preferably at most 5% of the crude molding compound is still removed.
  • the main body 14a is intended to be connected by a welded connection to the container device 10a.
  • the main body 14a has a welding edge 19a, which is provided for material connection with the container device 10a.
  • the welding edge 19a limits the contact surface 15a.
  • the contact surface 15a has an outer edge 20a, which is defined by a transition between the abutment surface 15a and the welding edge 19a.
  • the edge 21 a of the passage opening 16 a which is defined by a transition between the abutment surface 15 a and the passage opening 16 a, forms an inner edge of the abutment surface 15 a.
  • the edges 20a, 21a are defined in particular by a transition between regions in which a surface of the main body 14a is at least substantially flat, and regions in which the surface is curved. In the areas in which the surface is at least substantially flat, the surface in particular only has radii of curvature greater than 50 mm. In the areas in which the surface is curved, the surface in particular radii of curvature smaller than 10 mm.
  • the contact surface 15a for example, has a curvature, which is provided for surface contact with the container device 10a. However, since the curvature of the abutment surface 15a has a radius of curvature greater than 50 mm, the abutment surface 15a is substantially flat.
  • the closure element 17a has an upper side whose curvature corresponds to the contact surface 15a.
  • the upper side has a radius of curvature which is slightly smaller than the radius of curvature of the contact surface 15a.
  • the upper side has a projection with respect to the contact surface 15a, which corresponds to a wall thickness of the container wall 11a.
  • the radius of curvature of the upper side of the closure element 17a is smaller by a value of the projection than the radius of curvature of the contact surface 15a.
  • the radius of curvature of the upper side thus corresponds to a radius of curvature which has an inner side of the container wall 11a. If the closure element 17a is in the closed position, the inside of the container wall 11a and the top side of the closure element 17a, with respect to the mixing device, form a dead space-free surface.
  • the contact surface 15a goes directly into the welding edge 19a.
  • the main body 14a has a welding portion 22a through which the welding edge 19a is formed.
  • the base body 14a has a material thickness 40a of at most 15 mm.
  • the material thickness 40a of the base body 14a in the welding section 22a is determined in particular along a direction parallel to the surface normal of the contact surface 15a.
  • the welding section 22a is thus defined by a section of the main body 14a which extends from the welding edge 19a in the direction of the passage opening 16a and in which the material thickness 40a is smaller than 15 mm.
  • the base body 14a has a lower side 23a, which lies opposite the contact surface 15a.
  • the surface normal of the abutment surface 15a and the surface normal of the underside 23a include angles greater than 170 degrees.
  • the surface normals of the abutment surface 15a and the underside 23a are oriented antiparallel to one another.
  • the material thickness 40a is at least partially constant in the welding portion 22a.
  • the welding edge 19a has radii of curvature smaller than the material thickness 40a of the welding portion 22a.
  • the welding edge 19a connects the contact surface 15a and the bottom 23a with each other.
  • the welding edge 19a has a section 24a in which the surface normal of the welding edge 19a with the surface normal on the outer edge 20a of the contact surface 15a form an acute angle.
  • the surface of the welding edge 19a faces the container device 10a when the outlet device 13a is mounted on the container device 10a.
  • the welded connection preferably has at least one weld seam which engages in the partial section 24a of the welding edge 19a.
  • the weld fills a volume between the surface of the welding edge 19a of the main body 14a and the container wall 11a.
  • the contact surface 15a for engagement with the container device 10a has a radial extent, which is defined by a distance between the outer edge 20a and the inner edge 21a. Only a part of the contact surface 15a is associated with the welding portion 22a.
  • the radial extent of the contact surface 15a is at least twice as large as a radial extent of the welding portion 22a.
  • the radial extent of the welding section 22a is at least 20 mm.
  • the radial extent of the welding section 22a is at least 30 mm to 40 mm, wherein a size of the welding section 22a in particular also depends on the size of the passage opening 16a and thus a size of the main body 14a as a whole.
  • the main body 14a has a support portion 25a, which in particular forms the receptacle 26a for mounting the closure element 17a.
  • the main body 14a is divided into the welding portion 22a with the welding edge 19a and the supporting portion 25a. Viewed in the radial direction, the welding edge 19a defines a maximum extent of the main body 14a.
  • the support portion 25a is located radially inside the welding portion 22a.
  • the base body 14a has an annular disc-shaped basic shape.
  • the base body 14a has a cylindrical basic shape in the support section 25a.
  • the contact surface 15a which is formed by the welding portion 22a and the support portion 25a, limits the main body 14a in the axial direction upward.
  • the base body 14a forms a connecting flange 27a which delimits the base body 14a downwards.
  • the support portion 25a extends in particular between the contact surface 15a and the connecting flange 27a.
  • the connecting flange 27a has a preferably round basic shape.
  • By the connecting flange 27a a central axis is defined, which is oriented parallel to the axial direction 18a.
  • the connection flange 27a can be designed as desired, for example as a BFM, TriClamp, as a connection flange 27a for connecting a hose or as a Filcoflex.
  • the base body 14a Due to the cylindrical basic shape in the support portion 25a, the base body 14a has a wall 28a, the material thickness 42a in the radial direction is less than a material thickness 41a in the axial direction 18a.
  • a shape of the wall 28a corresponds to a ring or cylinder, which is reinforced radially inward for the receptacle 26a in partial areas.
  • the wall 28a has a height which is greater than the material thickness 40a of the main body 14a in the welded portion 22a.
  • the base body 14a in the support portion 25a has a greater axial material thickness 41a than in the welded portion 22a.
  • the minimum height of the wall 28a is preferably at least 20 mm.
  • the material thickness 41a along the axial direction 18a is thus at least 20 mm.
  • the axial material thickness 41a in the support portion 25a is at least in the region of the wall 28a preferably at least a factor of 5 greater than the material thickness 40a of the base body 14a in the welding portion 22a.
  • the wall 28a encloses in the radial direction an inner region, which is provided in particular for the closure element 17a. If bulk material is removed from the container device 10a, this is passed through the inner region.
  • the main body 14a has a mass ratio of at least 10: 1 between the support portion 25a and the weld portion 22a, by which the support portion 25a is more solid than the weld portion 22a.
  • the support portion 25a is formed in particular by the wall 28a. With a heat input at the welding edge 19a, the main body 14a heats up, in particular in the welding section 22a.
  • the main body 14a can thereby be connected to the container device 10a by means of the welded connection, without the wall 28a of the support section 25a being heated above a critical temperature beyond which thermal distortion is to be expected.
  • the receptacle 26a provided for the closure element 17a, which is formed by the support section 25a, is realized by means of the wall 28a.
  • the wall 28a has two recesses 29a, 30a.
  • the recesses 29a, 30a may already be present in the casting mold.
  • the outlet device 13a comprises an actuating shaft 31a, with which the closure element 17a is fixedly connected.
  • the actuating shaft 31 a is rotatably mounted in the recesses 29 a, 30 a. At least one of the recesses 29a, 30a is passed through the wall 28a as a recess.
  • the closure element 17a and the actuating shaft 31a are firmly connected to each other, preferably by a welding process.
  • the closure element 17a is analogous to the base body 14a as a casting.
  • the closure member 17 a and the actuating shaft 31 a are brought to tolerance before they are connected together.
  • the actuating shaft 31 a is inserted with the connected closure element 17a in the recesses 29a, 30a.
  • the recesses 29a, 30a have a width which allows an oblique insertion of the actuating shaft 31a first in the recess 29a.
  • the actuating shaft 31 a is aligned and inserted into the second recess 30 a.
  • the receptacle 26a allows assembly and disassembly of the actuating shaft 31a with the connected closure element 17a in a state in which the main body 14a is connected to the Be disvervorraum 10a.
  • the receptacle 26 a is provided for mounting and dismounting of the actuating shaft 31 a with the tailed closure element 17 a from below.
  • the outlet device 13 a For sealing the actuating shaft 31 a, the outlet device 13 a two sealed bearing means 38 a, 39 a, which are inserted from the outside into the recesses 29 a, 30 a.
  • the bearing means 38a, 39a are mounted after the actuating shaft 31a in which the recesses 29a, 30a is inserted.
  • the bearing means 38a, 39a are interchangeable when the closure element 17a is mounted.
  • the bearing means 38a, 39a can be designed in several parts and each have a bearing and a seal.
  • the bearing and the seal can also be formed at least partially in one piece.
  • the bearing means 38a, 39a form a sliding bearing for the actuating shaft 31 a.
  • the closure element 17a has a mechanical lock 43a, which is provided to limit movement of the closure element 17a.
  • the closure element 17a is designed in the form of a flap. In the open position, the closure element 17a is pivoted in a direction away from the contact surface 15a.
  • the mechanical fuse 43a is in the form of a form-locking connection, which limits the movement of the closure element 17a when pivoted the closed position.
  • the fuse 43a is formed as a nose, which rests in the closed position on the base body 14a.
  • the mechanical fuse 43a is first formed with an oversize, which is made after assembly of the closure member 17a to measure to set the closed position regardless of tolerances.
  • the outlet device 13a comprises an actuator 32a, which is provided to provide for actuating the closure element 17a acting on the actuating shaft 31 a torque, and a control and regulation unit 33a for driving the actuator 32a. Furthermore, the outlet device 13a comprises a sensor, not shown, which is provided to detect a position of the closure element 17a. The sensor is also connected to the control unit 33a. The sensor system can be integrated into the actuator 32a, for example (cf. FIG. 8 ).
  • the outlet device 13a has a sealing element 34a, which is arranged in the region of the passage opening 16a.
  • the main body 14a includes in the region of the passage opening 16a a groove 35a, which receives the sealing element 34a in the assembled state.
  • the groove 35a is directed radially inward.
  • the groove 35a is already provided in the mold.
  • the sealing element 34a has an adjustable sealing geometry.
  • the sealing geometry of the sealing element 34a can be changed during operation. Due to the adjustable sealing geometry, the sealing element 34a is provided to seal the connection between the closure element 17a and the base body 14a after the closure element 17a has been moved into the closed position.
  • the adjustable sealing geometry is in particular intended to compensate different gap dimensions between the closure element 17a and the base body 14a.
  • the sealing element 34a is formed as a ring seal.
  • the passage opening 16a has a polygonal shape, it is also conceivable to provide further sealing elements, which extend in a composite over the entire passage opening 16a.
  • the sealing element 34a has a variable volume as adjustable sealing geometry.
  • the main body 14a and the closure element 17a can be manufactured with tolerances in the range of up to 3 mm.
  • the aim is a tolerance of at most 2 mm, the tolerance is preferably in a range between 0.5 mm and 0.8 mm.
  • the tolerance applies in particular for a gap between the closure element 17a and the base body 14a in the region of the sealing element 34a.
  • Due to the variable volume the sealing element 34a is provided to compensate for the tolerances. After the closure element 17a has been moved to the closed position, a volume is set for the sealing element 34a which is greater than a volume which the sealing element 34a has when the closure element 17a is to be opened or closed.
  • the sealing element 34a is inserted into the groove 35a, which has the main body 14a.
  • the sealing element 34a is arranged captively in the groove 35a. If the closure element 17a is arranged in the closed position, the sealing element 34a is arranged spatially between the base body 14a and the closure element 17a. If the volume of the sealing element 34a is increased when the sealing element 34a is in the closed position, the sealing element 34a is clamped between the base body 14a and the closure element 17a.
  • the actuator 32a is provided in particular for moving the closure element 17a. The actuator 32a is not intended to press the sealing element 34a.
  • the sealing element 34a is intended to be at least partially filled with a pressure medium.
  • the sealing element 34a has a cavity 37a, which is intended to be filled with the pressure medium.
  • the sealing member 34a is made of an elastic and / or flexible material which is intended to stretch when the cavity 37a is filled with the pressure medium.
  • the volume of the sealing element 34a depends in particular on a pressure and / or a quantity of the filled-in pressure medium.
  • the sealing element 34a has at least one pressure medium connection, to which the cavity 37a is connected.
  • the cavity 37a is sealed in the direction of an environment. In order to increase the volume of the sealing element 34a, the cavity 37a is filled with the pressure medium via the pressure medium connection.
  • the sealing element 34a In order to reduce the volume of the sealing element 34a, pressure medium is discharged from the cavity 37a via the pressure medium connection.
  • the sealing element 34a is made of an elastic material whose volume decreases automatically when the pressure medium connection is depressurized. Alternatively it can also be provided to actively pump out the pressure medium from the cavity 37a.
  • the sealing element 34a is pneumatically adjustable.
  • the cavity 37a is intended to be filled with a gas, in particular with air.
  • the pressure medium connection is preferably designed as a compressed air connection 36a.
  • the control and regulation unit 33a is provided for adjusting the sealing element 34a.
  • the control and regulation unit 33a which is provided for opening and / or closing the closure element 17a by means of the actuator 32a, is intended to change the sealing geometry of the sealing element 34a.
  • the actuator 32a comprises at least one motor for actuating the closure element 17a.
  • the control and regulation unit 33a comprises at least one valve for adjusting the at least one sealing element 34a.
  • the sealing element 34a is braced between the base body 14a and the closure element 17a in the groove 35a of the base body 14a.
  • the sealing element 34a partially projects out of the groove 35a (cf. FIG. 9 ).
  • the control unit 33a is provided to fill the cavity 37a with pressure medium when the shutter member 17a is closed.
  • the control and regulation unit 33a depressurizes the cavity 37a.
  • the volume of the sealing element 34a decreases. In particular, a gap may arise between the sealing element 34a and the closure element 17a. At least a contact pressure of the sealing element 34a is reduced to the closure element 17a.
  • the control and regulation unit 33a opens the closure element 17a (cf. FIG. 10 ).
  • the control and regulation unit 33a depressurises the sealing element 34a as long as the closure element 17a is opened.
  • the sealing element 34a is in Arranged essentially in the groove 35a, ie viewed in the radial direction, the sealing element 34a projects out of the groove 35a by at most 10% of its radial extent.
  • the control and regulation unit 33a is provided to set a working pressure between 3 bar and 4 bar for the sealing element 34a. Preferably, the working pressure is limited to 6 bar.
  • the sensor system comprises at least one pressure sensor which is provided for monitoring the working pressure.
  • the control and regulation unit 33a is provided to detect a defect of the sealing element 34a by means of the sensor system and to output an error message.
  • the sensor system comprises at least one position sensor.
  • the control and regulation unit 33a is provided to adjust the closed position by means of the position sensor.
  • the mechanical fuse 43a is provided in particular for protection of the mixing device in the event of failure of the position sensor.
  • control unit 33a detects the position of the shutter member 17a by means of the sensor and controls the seal member 34a in response to the detected position.
  • the control and regulation unit 33a is provided in particular for pressurizing the sealing element 34a only when the closure element 17a is in the closed position.
  • FIG. 11 a further embodiment of the invention is shown.
  • the following descriptions are essentially limited to the differences between the embodiments, with respect to the same components, features and functions on the description of the embodiment of FIGS. 1 and 2 can be referenced.
  • the letter a in the reference numerals of the embodiment in the FIGS. 1 to 10 by the letter b in the reference numerals of the embodiment of FIG. 11 replaced.
  • With respect to identically designated components in particular with regard to components with the same reference numerals, can in principle also to the drawings and / or the description of the embodiment of FIGS. 1 to 10 to get expelled.
  • FIG. 11 shows a device for processing bulk material, which is designed as a mixing device.
  • the device comprises a container device 10b and an outlet device 13b.
  • the outlet device 13b comprises a main body 14b, which is materially connected to the container device 10b and a closure element 17b.
  • the outlet device 13b differentiates in particular in a shape and dimensions of that of the preceding embodiment.
  • the base body 14b has a support section with a partially rectangular configuration.
  • the closure element 17b is also rectangular.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP15200563.3A 2015-12-16 2015-12-16 Dispositif de traitement de produits en vrac Active EP3181489B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES15200563T ES2835857T3 (es) 2015-12-16 2015-12-16 Dispositivo para procesar productos a granel
EP15200563.3A EP3181489B1 (fr) 2015-12-16 2015-12-16 Dispositif de traitement de produits en vrac

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15200563.3A EP3181489B1 (fr) 2015-12-16 2015-12-16 Dispositif de traitement de produits en vrac

Publications (2)

Publication Number Publication Date
EP3181489A1 true EP3181489A1 (fr) 2017-06-21
EP3181489B1 EP3181489B1 (fr) 2020-10-14

Family

ID=55072437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15200563.3A Active EP3181489B1 (fr) 2015-12-16 2015-12-16 Dispositif de traitement de produits en vrac

Country Status (2)

Country Link
EP (1) EP3181489B1 (fr)
ES (1) ES2835857T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2073513A (en) * 1934-04-21 1937-03-09 American Car & Foundry Co Railway hopper car
EP0247865A2 (fr) * 1986-05-30 1987-12-02 Container Design Limited Charpente à goulot pour un réceptacle
FR2983182A1 (fr) * 2011-11-28 2013-05-31 Nanomakers Vanne et conteneur etanche pour particules submicroniques, et procede d'utilisation associe
CN103542155A (zh) * 2012-07-11 2014-01-29 西安轨道交通装备有限责任公司 加排油阀座

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2073513A (en) * 1934-04-21 1937-03-09 American Car & Foundry Co Railway hopper car
EP0247865A2 (fr) * 1986-05-30 1987-12-02 Container Design Limited Charpente à goulot pour un réceptacle
FR2983182A1 (fr) * 2011-11-28 2013-05-31 Nanomakers Vanne et conteneur etanche pour particules submicroniques, et procede d'utilisation associe
CN103542155A (zh) * 2012-07-11 2014-01-29 西安轨道交通装备有限责任公司 加排油阀座

Also Published As

Publication number Publication date
ES2835857T3 (es) 2021-06-23
EP3181489B1 (fr) 2020-10-14

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