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
  • B65D90/58—Gates or closures having closure members sliding in the plane of the opening
  • B65D90/582—Gates or closures having closure members sliding in 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
  • B65D88/00—Large containers
  • B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
• • 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
  • B65D88/00—Large containers
  • B65D88/54—Large containers characterised by means facilitating filling or emptying
  • B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
  • B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
• • 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
  • B65D2590/547—Gates or closures in multiple arrangement

Definitions

• Stationary device for intermediate storage and delivery of a pourable or flowable good
• the invention relates to a stationary device for the intermediate storage and delivery of a pourable or flowable G ts, a use of the device, a concrete mixing plant with the device and a method for the intermediate storage and gravity-effective delivery of a powdery, granular or pasty material according to the preambles of independent claims.
• Stationary devices with receptacles for the intermediate storage and dispensing of pourable or flowable goods are preferably used in the interim storage and dispensing of building material mixtures in accordance with requirements in the construction industry, with at least partially gravity-assisted conveying or dispensing of the stored goods at a dispensing opening at the Bottom of the receptacle is common.
• a first aspect of the invention relates to a stationary device for the interim storage and gravity-effective delivery of pourable or flowable goods, preferably of concrete with a liquid to almost dry consistency.
• the stationary device comprises a receptacle which has a delivery opening on its underside for the delivery or transfer of goods from its interior.
• the receptacle of the stationary device is movably mounted in such a way that the inclination of one or more of its inner wall surfaces or, in the case of curved inner wall surfaces, of partial surfaces thereof can be changed with respect to the vertical.
• inner wall surfaces which in a basic position of the receptacle, for example when the container is completely upright, have a large angle with respect to the vertical and therefore prevent good drainage of goods in the wall area, can be set more vertically, to enable good drainage of goods to the discharge opening down also from these areas.
• the invention makes it possible, for example, to use stationary devices according to the invention with receptacles with a large volume and a low overall height in vertically constructed concrete mixing plants, so that lower plant heights can be achieved in new plants.
• the invention also opens up the possibility of retrofitting existing plants with batch mixers and a low overall height, in which the metering of the discharge with the mixer had previously been carried out, with a stationary device according to the invention and thereby significantly increasing the plant performance. It should be mentioned at this point that the application of vibrations or shocks to the container walls, for example by vibrators, is not to be understood as "inclining" them towards the vertical in the sense described here.
• the receptacle preferably has a receptacle opening, which is advantageously arranged on its upper side, for feeding goods into its interior, which preferably has a larger cross section than its dispensing opening. It is also preferred that the receptacle is designed in such a way that it is possible for material to be fed into its interior space through the free gravity-induced insertion of material into the receptacle opening, preferably in a dispensing position. This enables simple feeding without complex conveying devices.
• the receptacle is mounted such that it can be pivoted about one or more axes, which are preferably horizontal. These axes preferably lie or lie in the lower region of the receptacle, since this results in only a slight deflection of the dispensing opening in the horizontal when the receptacle is pivoted, so that targeted dispensing is possible even during pivoting and regardless of the respective position of the receptacle ,
• the interior of the receptacle is advantageously designed such that it tapers towards the discharge opening at least at its lower end.
• the entire interior of the receptacle essentially forms a funnel, which runs essentially from the receiving opening in the direction of the discharge opening, preferably with a maximum funnel angle of more than 70 °, preferably more than 80 °, the advantages of the invention are particularly pronounced clearly revealed. Extend two opposite one another
• Inner wall surfaces of the funnel-shaped area of the receptacle differ in distance from the dispensing opening, these inner wall surfaces or, in the case of curved inner wall surfaces of the funnel-shaped area, tangential surfaces on their central areas, preferably parallel to a horizontal pivot axis of the container, so that a position of the receptacle becomes possible , in which these inner wall surfaces have a different angle with respect to the vertical and at the same time have essentially the same extent in the vertical direction.
• the interior of the receiving container which is designed as a funnel tapering towards the discharge opening, this results in the advantage that the container in this position has the least vertical extent and thus the least vertical space requirement and, at the same time, a first of the two opposing inner wall surfaces is significantly more vertical than the second inner wall surface, so that in the area of this first inner wall surface there can be a good outflow of the goods in the container to the discharge opening. It is also particularly advantageous if the interior of the receiving container, which is designed as a funnel, has one or more partition walls which extend from the receiving opening to the discharge opening.
• the receptacle can be filled and partially emptied in the receptacle position described above and the container can be emptied completely in a second receptacle position in which the second inner wall surface is arranged significantly more vertically than the first inner wall surface.
• the receptacle since the receptacle has its lowest vertical construction height in an inclined position and, when the device is used in a concrete mixing plant in this inclined position, it provides the most space for any emptying flaps of a concrete mixer opening above the receptacle, no upright intermediate position is required in this case of the receptacle for filling the same. This in turn simplifies the control of the system and favors the use of pneumatic cylinders as the drive preferred by the concrete industry, since the container only has to be positioned in two positions, which is easily possible with a single pneumatic cylinder and mechanical stops.
• the receptacle in the region of the receptacle opening is designed such that it is in a
• the receptacle is preferably essentially completely open upwards. Such an embodiment is particularly suitable for feeding of good through free gravity-induced incidence through the receiving opening in the receiving container.
• the upper edge of the receptacle surrounding the receiving opening is essentially in one Plane lies or follows a contour which projects beyond a plane in which the upper edges of these inner surfaces of the receptacle lying opposite one another in the direction away from the receptacle.
• This can take place, for example, in the form of a spatially curved and / or spatially polygonal edge profile of the upper edge of one or more container walls and results in the advantage that this increases the receptacle volume of the receptacle usable with pasty or powdery goods.
• a receptacle of the type described above can be produced in a cost-effective manner, it being preferred that the planar extent of the part of the receptacle opening, which is different from that in the first Part of the upper edge lying flat is greater than the areal extent of the part of the receiving opening which is formed by the part of the upper edge lying in the second plane.
• the receptacle has one or more planes of symmetry and is movable in a plane which is parallel or perpendicular to a plane of symmetry, it being preferred if the receptacle has at least two planes of symmetry and it is movable in one plane, e.g. is pivotable, which is perpendicular to the plane of symmetry of the receptacle, which produces the smallest cross section through the receptacle. In this case, moving the receptacle brings about the best possible improvement in the outflow of material due to the action of gravity.
• the receptacle can advantageously be moved in one plane in such a way that a straight line through the centers of its receptacle and dispensing opening or the bisector of the funnel angle of a funnel-shaped area of the inner contour of the receptacle in the movement plane can form both a positive and a negative angle with the vertical.
• the receptacle can be inclined in one plane in opposite directions from a basic position in which the straight line described above is vertical, which leads to a uniform improvement in the drainage behavior, particularly in the case of funnel-shaped interior contours.
• the receptacle has one or more partition walls in its interior, which have an orientation from the receptacle opening to the discharge opening and thereby at least partially divide the container interior into essentially vertically oriented subspaces.
• the stationary device also comprises a metering element, which is preferably formed by a metering slide or a metering flap. This makes it possible to regulate the outflow or the forwarding of goods from the interior of the receptacle through the dispensing opening and / or a dispensing or. To cause forwarding interruption.
• the stationary device has a drip protection which can be positioned under the discharge opening and which preferably consists of a collecting trough which can be pivoted under the discharge opening.
• the drip protection device is preferably also designed such that it is in a non-drip protection position, that is to say in a position in which it does not prevent residues of goods from dripping down after an interruption in dispensing or after the receptacle has been completely emptied under the dispensing opening is positioned, a centering funnel connected to it for centering a stream of material emerging from the discharge opening is positioned below the discharge opening.
• the stationary device preferably has drive means, both for actuating the dosing element and / or the drip protection, if such devices are present, and for moving, and, if provided, also for positioning the receptacle in one or more positions.
• Pneumatic cylinders or hydraulic cylinders with corresponding supply systems or electric drives are preferably used as the drive means. Know that
• the device does not have its own drive means for moving the receptacle, this movement can be brought about by external forces. In this case, it may be important that the receptacle positioned in a certain position in this
• Position can be locked, possibly by corresponding device-side locking means can take place.
• the stationary device has its own drive means, there is preferably also a control unit for controlling the same, which controls depending on the device's own parameters, e.g. Receptacle fill level or receptacle weight, from external system parameters, e.g. a signal from an upstream batch mixer that another batch is ready to be fed and / or from material-specific parameters, e.g. Flowability of the goods made possible.
• the control unit preferably has suitable sensors for the automatic or manual determination of one or more such parameters.
• a third aspect of the invention relates to a stationary concrete mixing plant with a stationary device according to the invention with a receiving container with a receiving opening according to the first aspect of the invention and with a concrete mixer with a dispensing element, for example with an emptying flap arranged on the underside of the mixer.
• the receiving opening of the receiving container and the dispensing element of the mixer are dimensioned in such a way and the mixer is arranged above the receiving container in such a way that at least in one position of the receiving container, concrete released by the concrete mixer via its dispensing element by gravity, preferably by free fall, by the Opening can enter the interior of the receptacle. In this way, no further system components are required to feed the concrete into the receptacle.
• the concrete mixer is a batch mixer, i.e. a mixer that mixes a certain amount of concrete in batches, and the receptacle is dimensioned such that it can hold a complete batch of mixers at once. In this way, it is possible for the mixer to be emptied all at once and for the next batch to mix, while the previously mixed concrete is temporarily stored in the receptacle and conveyed out of it by abgage. As a result, the plant performance of the concrete mixing plant can be increased significantly.
• a fourth aspect of the invention relates to a method for the intermediate storage and delivery of a powdery, granular or pasty material caused by gravity, preferably ready-to-use concrete in all conceivable consistencies for this building material.
• the method according to the invention comprises the method steps of introducing the good into a stationary, movably mounted receiving container, which has a dispensing opening on its underside for the gravitationally effective dispensing of good from its interior, and moving the receiving container in such a way that the inclination of one or more of its inner wall surfaces or of partial surfaces of its inner wall surfaces is changed in relation to the vertical in such a way that this results in improved use of gravity for conveying goods in the receptacle towards the discharge opening.
• the receptacle is moved in such a way that its discharge opening remains essentially stationary when viewed in the horizontal direction.
• the receptacle is pivoted about a horizontal axis which is as close as possible to the dispensing opening of the receptacle.
• the receptacle is temporarily, i.e. as required, moved continuously or at intervals between at least two positions and / or positioned in these at least two positions. Depending on the type and consistency of the goods, this can result in advantages.
• the receptacle is moved in a plane between exactly two inclined positions and / or is positioned in these positions.
• the receptacle is inclined in a plane between two Positions and an upright base position preferably arranged centrally between these inclined positions are moved and / or positioned in these positions.
• FIG. 1 shows a side view of a stationary one
• Concrete mixing plant with a device according to the invention for temporary storage and delivery of concrete 2a shows a side view of the device for the intermediate storage and delivery of concrete of the concrete mixing plant from FIG. 1 in a basic position with a completely upright receptacle;
• FIG. 2b shows a side view like FIG. 2a, but with the receptacle inclined relative to the vertical
• FIG. 2c shows a side view like FIG. 2b, but with the receptacle inclined in an opposite direction with respect to the vertical;
• Fig. 3a is a plan view of the top of the receptacle of Figures 1 to 2c, • Fig. 3b is a vertical section transverse to the
• FIG. 4a shows a side view of a further device for the intermediate storage and delivery of concrete with an asymmetrical receptacle in an inclined basic position for the receipt and delivery of concrete;
• FIG. 4b shows a side view like FIG. 4a, but with the receptacle in another inclined position for the residual emptying thereof;
• FIG. 5a shows a vertical section through the receptacle of the device from FIGS. 4a and 4b transversely to the pivot axis;
• Fig. 5b is a plan view of the top of the
• 6a shows an inventive device for the intermediate storage and delivery of concrete with a metering slide and a drip protection with a centering funnel in a delivery situation for partial emptying
• FIG. 6b shows the device from FIG. 6a in a dispensing situation for the residual emptying
• FIGS. 6a and 6b shows the device from FIGS. 6a and 6b in a non-dispensing situation.
• FIG. 1 shows a preferred embodiment of a concrete mixing plant 1 according to the invention in a side view.
• the concrete mixing plant 1 has a device 2 according to the invention for briefly
• the batch mixer 14 is positioned directly above the receiving opening 4 arranged on the upper side of the receiving container 3, specifically in such a way that when its emptying flap 13 (shown open) is opened, the entire mixer contents essentially by gravity into the receiving opening 4 of the receiving container 3 and falls into the interior, which is large enough to accommodate the entire mixer filling without the risk of overflowing.
• the receptacle 3 On its underside, the receptacle 3 has a delivery opening 5, which serves the delivery of the concrete stored in the interior of the receptacle 3 exclusively by gravity into the feed opening of a concrete transport vehicle 15 arranged under the receptacle 3. As in FIG. 1 in connection with the
• FIG. 2a to 2c which shows the device 1 with the receptacle 3 positioned in an upright basic position (Fig. 2a) and in two opposite inclined positions ( Figures 2b and 2c), the receptacle 3 is pivotable about a horizontal axis in the vicinity of the discharge opening 5 6 around, so that a straight line 7 through the centers of its receiving opening 4 and its discharge opening 5 or a bisector 7 through the funnel angle in the pivoting plane of the container 3 can be both vertical, as well as a positive angle ⁇ 1 or a negative angle ⁇ 2 with the vertical can form.
• a pneumatic drive with a pneumatic cylinder 12 arranged between the support frame of the device 2 and the receptacle 3, which is operated by a control unit both manually and automatically, for example depending on the weight of the receptacle 3 as a criterion for its level can be controlled. It is also possible to set the receptacle 3 permanently in motion or to set certain positions at predetermined intervals.
• the distance between the opened emptying flap 13 and the upper edge of the receptacle 3 and the dimensions of the receptacle opening 4 were chosen to be large enough to prevent a collision between Avoid emptying flap 13 and receptacle 3 and ensure that no concrete can fall next to the receptacle 3.
• the horizontal position of the discharge opening 5 is essentially independent of the position of the receptacle 3, so that targeted dispensing is possible in any position and also while the receptacle 3 is being moved.
• FIG. 3a shows a top view of the upper side of the receiving container 3 already described.
• the receiving opening 4 has an essentially rectangular cross section and the discharge opening 5 has a significantly smaller, essentially square cross section on.
• FIG. 3b which shows a vertical section through the receptacle 3 transversely to the pivot axis 3, the receptacle 3 is completely opened upwards via the receiving opening 4.
• a vertical partition 8 is arranged centrally in its interior, which divides the interior in one direction from the receiving opening 4 to the discharge opening 5 into two mirror-image vertical partial spaces.
• the interior of the receptacle 3 is designed as a funnel which has two vertical planes of symmetry X, Y.
• FIGS. 4a and 4b show side views of a further device 2 according to the invention for receiving and delivering concrete
• FIG. 4a shows the device 2 with the receiving container 3 positioned in a first inclined position for filling and partially emptying the receiving container 3
• FIG. 4b shows the device 2 with the receptacle 3 positioned in a second inclined position for emptying the receptacle 3 completely.
• the device 2 shown has essentially the same structural features as the device described above.
• FIGS. 5a and 5b which show a top view and a vertical section transverse to the pivot axis 6 through the receptacle 3 of the device 2 shown in FIGS. 4a and 4b
• the interior of the receptacle 3 is in contrast to the previous exemplary embodiment, in the present case designed as an asymmetrical funnel, which results from the fact that the two inner wall surfaces 15a, 15b which are arranged parallel to the horizontal pivot axis 6 of the container 3 and are opposite one another, starting from the discharge opening 5, have different extents.
• the upper edge of the receptacle 3 surrounding the receptacle opening 4 lies in two differently inclined planes which meet at an angle ⁇ of less than 180 °, in the present case of approximately 170 °.
• the areal extent of the part of the receiving opening, which is formed by the part of the upper edge which lies in a common plane and which also includes the upper edge of the shorter inner wall surface 15b, is greater than the areal extent of the part of the receiving opening which is different from that in FIG the other part of the upper edge is formed.
• this embodiment enables the receptacle 3 to be positioned in such a way that the receptacle 3 has the smallest possible vertical extent and thus a small vertical space requirement and at the same time the shorter inner wall surface 15b is significantly more vertical than the longer inner wall surface 15a, so that in the area of the inner wall surface 15b a good outflow of the material located in the container 3 to the discharge opening 5 is achieved.
• Such a position is suitable both for filling the receptacle 3 and for the simultaneous and / or subsequent partial emptying of the same up to a state in which, due to the relatively flat inclination of the longer inner wall surface 15a, the filling material located in the region of this inner wall surface 15a is not drains more or only hesitantly.
• the receptacle 3 can then be pivoted into the second position shown in FIG. 4b, in which the inner wall surface 15a is arranged more vertically than the inner wall surface 15b, so that the remaining filling material flows away safely. Since the receptacle in the position shown in FIG. 4b has a significantly greater vertical extension than in the position shown in FIG. 4a, a system according to the invention with the device 2 shown and with a batch mixer 14 arranged above it, which is connected via a or has a plurality of emptying flaps 13 opening downwards, advantageously designed and operated in such a way that the receptacle 3 can be positioned in the two positions shown and the emptying flaps 13 can only be opened in the position of the receptacle 3 shown in FIG. 4a.
• FIGS. 6a to 6c show side views of a further device 2 according to the invention for receiving and delivering concrete.
• the dimensions of the receptacle 3 and the remaining structure of the device 2 are essentially identical to the previously described device according to FIGS. 4a to 5b, but the device 2 shown here additionally has a metering slide 9 for throttling the concrete discharge through the discharge opening 5 and a drip protection 10 with a centering funnel 11 for centering the concrete flow when dispensing and forwarding.
• Both the metering slide 9 and the drip contactor 10 can each be pivoted by means of a pneumatic cylinder 12 below the discharge opening 5 of the receptacle 3.
• 6a shows the device 2 in a dispensing situation with the receptacle 3 positioned in an inclined position as shown in FIG. 4a.
• the drip protection device 10 is pivoted back into a non-drip protection position, as a result of which the centering funnel 11 located thereon is positioned under the discharge opening 5 of the receptacle 3.
• the metering slide 9 is fully open for a maximum concrete delivery rate.
• 6b shows the device 2 in a dispensing situation as already shown in FIG. 6a, but with the receptacle 3 positioned in an inclined position as shown in FIG. 4b.
• 6c shows the device in a non-dispensing situation.
• the metering slide 9 is pivoted under the dispensing opening 5 and closes it completely.
• the anti-drip device 10 is also pivoted under the discharge opening 5 or under the metering slide 9 and is thereby able to catch any dripping concrete residues.
• intermediate situations are also conceivable in which the anti-drip device 10 is withdrawn and the centering funnel 11 is positioned under the dispensing opening 5 and the metering Slider 9 partially closes the discharge opening 5 in order to achieve a throttled discharge.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
• Warehouses Or Storage Devices (AREA)

Applications Claiming Priority (1)

Publications (2)

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ID=11004075

Family Applications (1)

Country Status (4)

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Family Cites Families (9)

• 2001
  • 2001-03-29 AT AT01915616T patent/ATE296244T1/de not_active IP Right Cessation
  • 2001-03-29 EP EP01915616A patent/EP1373103B1/fr not_active Expired - Lifetime
  • 2001-03-29 DE DE50106353T patent/DE50106353D1/de not_active Expired - Fee Related
  • 2001-03-29 WO PCT/IB2001/000534 patent/WO2002079055A1/fr not_active Ceased

Non-Patent Citations (1)

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