EP2954946A1 - Silo de stockage de produits en vrac et procédé de prélèvement de produits en vrac à partir d'un silo - Google Patents

Silo de stockage de produits en vrac et procédé de prélèvement de produits en vrac à partir d'un silo Download PDF

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Publication number
EP2954946A1
EP2954946A1 EP15153191.0A EP15153191A EP2954946A1 EP 2954946 A1 EP2954946 A1 EP 2954946A1 EP 15153191 A EP15153191 A EP 15153191A EP 2954946 A1 EP2954946 A1 EP 2954946A1
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EP
European Patent Office
Prior art keywords
bulk material
storage container
outlet
silo
removal devices
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
EP15153191.0A
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German (de)
English (en)
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EP2954946B1 (fr
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.)
Knauf Performance Materials GmbH
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Knauf Aquapanel GmbH
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Publication of EP2954946A1 publication Critical patent/EP2954946A1/fr
Application granted granted Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/80—Falling particle mixers, e.g. with repeated agitation along a vertical axis
    • B01F25/82—Falling particle mixers, e.g. with repeated agitation along a vertical axis uniting flows of material taken from different parts of a receptacle or from a set of different receptacles
    • B01F25/821—Falling particle mixers, e.g. with repeated agitation along a vertical axis uniting flows of material taken from different parts of a receptacle or from a set of different receptacles by means of conduits having inlet openings at different levels
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/2134—Density or solids or particle number
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/2201—Control or regulation characterised by the type of control technique used
    • B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • B01F35/831—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows

Definitions

  • the invention relates to a silo for storing bulk material and to a method for removing bulk material from a silo.
  • a silo is a storage facility for bulk materials.
  • Silos comprise a storage tank, which can be filled from above through an inlet with bulk material and from which the bulk material can be removed below.
  • For removal of the bulk material of the storage container opens at its lower end usually in a funnel provided with an outlet, from which the bulk material from the storage container can be diverted.
  • silos are referred to, for example, as round silos or rectangular silos.
  • the outlet of the hopper can for example have a scissor closure, slide closure or a rotary valve.
  • silos have proven to be suitable for storage and metered removal of bulk material.
  • a typical problem that occurs when storing bulk materials in silos and their removal from the silos is the segregation of the bulk material in the silo.
  • segregation of the bulk material according to the particle size or particle density in the silo is possible.
  • the larger particles of the bulk material can accumulate in the edge region of the silo, while the finer particles concentrate in the middle of the silo.
  • the mixing ratio of the particles discharged from the outlet of the hopper does not correspond to the particle size more of the original particle size distribution of the bulk material as it is being introduced into the silo. Due to this change in the particle size distribution of the bulk material when passing through the silo, the bulk density of the bulk material discharged from the silo no longer corresponds to the bulk density of the bulk material introduced into the silo.
  • the invention has for its object to provide a silo for storing bulk material, the bulk material is removed such that a segregation of the bulk material in the silo has a smaller impact on the composition, in particular the particle size distribution of the bulk material removed from the silo than in the removal of bulk material from silos according to the prior art.
  • Another object of the invention is to provide a method for the removal of bulk material from such a silo, through which the silo bulk material is removable in a segregation of the bulk material in the silo so that the segregation of the bulk material in the silo a less influence on the composition of the bulk material removed from the silo - in particular its bulk density - has as in a removal of bulk material from silos according to the prior art.
  • a silo according to the invention therefore corresponds in its basic construction to a silo according to the prior art with a storage container for storing bulk material that can be filled from above through an inlet with bulk material, which at its lower end opens into a funnel with an outlet for discharging bulk material out of the storage container ,
  • a silo according to the invention has one or more removal devices for removing bulk material from the storage container, each of the removal devices each having an inlet for introducing bulk material into the respective removal device, wherein the inlet of each such removal device below the inlet of the storage container and above the outlet of the storage container is arranged.
  • each removal device has an outlet for discharging bulk material from the respective removal device.
  • the advantage of such removal devices is that can be removed by this bulk material, which is located at different heights in the storage container between the inlet of the storage container and the outlet of the storage container.
  • this bulk material which is located at different heights in the storage container between the inlet of the storage container and the outlet of the storage container.
  • bulk material having a different particle size distribution and thus also having a different bulk density can therefore be removed from the storage container by the removal devices.
  • the bulk density of the bulk material, with which this is introduced into the respective removal device each of the bulk density of the bulk material at the location in the storage container at which the inlet of the respective removal device is located and in which the bulk material can be introduced.
  • each removal device having a separate outlet for discharging the bulk material from the respective removal device
  • the bulk material with the bulk density of the respective removal device can be separately discharged and combined in a respective desired amount with bulk material, which is discharged from the outlet of the hopper of the storage container.
  • the discharged from the outlets and then re-merged bulk material can thus be assembled in terms of bulk density depending on the bulk density of the bulk material of the sampling devices and the dischargeable from the outlet of the hopper of the storage container bulk material.
  • this bulk material which has been brought together from the outlets can, for example, be composed in such a way that its bulk density corresponds to the bulk density of the bulk material originally introduced into the inlet of the storage container or is at least approximately the same.
  • the receiving device that receives the discharged from the outlets bulk material to its merger.
  • the receiving device is designed such that it receives the discharged from the outlet of the hopper of the storage container and the discharged from the outlets of the removal devices bulk material.
  • the storage tank of the silo according to the invention can be designed as in the silos known from the prior art, for example as in a round silo.
  • the storage container for example, have a cylindrical body with an inner circular cross-section, the central longitudinal axis is vertical. Down, the cylindrical body through a funnel, in particular a conical funnel be completed, which tapers conically downwards and ends in an outlet.
  • the central longitudinal axis of the conical cylinder can extend coaxially to the central longitudinal axis of the cylindrical body.
  • the cylindrical body has an inlet or an opening through which the storage container can be filled with bulk material.
  • the storage container of the silo according to the invention can have any shape, for example also the shape of rectangular or octagonal silos known from the prior art, which can run out in their lower end, for example in a wedge-shaped or pyramid-shaped funnel.
  • the removal devices for removing bulk material from the storage container can in principle have any shape which allows the bulk material in the storage container to be introduced from a region between the inlet and the outlet of the storage container into the removal device, through the removal device and to the outlet of the removal device to get to.
  • the removal devices may each be designed in the form of a hose, a channel, a pipe or a combination thereof.
  • the removal devices are preferably designed such that in the storage container located bulk material automatically, ie due to gravity, passes through the inlets into the removal devices and flows through them to the outlets of the removal devices or trickles.
  • the removal devices may in particular be oriented substantially vertically, wherein the inlets of the removal devices to its upper end and the outlets are arranged at the lower end of the removal devices.
  • the inlets of the removal devices may preferably be oriented upward. This ensures that in the storage container located bulk material gravity trickles automatically trickles through the inlets in the sampling devices.
  • the respective inlets of the removal devices are arranged at different heights below the inlet of the storage container and above the outlet of the storage container.
  • the silo according to the invention thus has a plurality of removal devices whose inlets are arranged at different heights below the inlet and above the outlet of the storage container.
  • the respective inlets of the removal devices are arranged at different distances from the inner wall of the storage container. This makes it possible to introduce into the removal devices respectively portions of the bulk material, which are different degrees segregated depending on their distance from the inner wall of the storage container.
  • the number of removal devices, the vertical height difference of the inlets of the removal devices and the respective distance between the inlets of the removal devices from the inner wall of the storage container is determined depending on the dimensions of the storage container and the type of bulk material. In principle, it can be provided to provide more removal devices with inlets in all the more different heights, the more the bulk material in the storage container tends to segregate. For example, at least one, at least two or at least three removal devices may be provided, the inlets of which are arranged in at least one, at least two or at least three different heights between the inlet and outlet of the storage container.
  • removal devices are provided in the form of tubes.
  • Removal devices in the form of tubes are preferably oriented vertically.
  • the upper end of such tubes may leak as an open tube end and thus forms the inlet.
  • the outlet may be provided.
  • a removal device is provided in the form of an upwardly open tube, bulk material is gravity introduced automatically introduced into the tube by the bulk material trickles into this, when the storage container is filled to the upper end of the tube with bulk material.
  • the tubes designed as removal devices-and thus also the upper openings or inlets of the tubes-can basically have any desired cross-sectional shape.
  • the tubes Preferably, have a circular cross-sectional area.
  • the size of the cross-sectional area is to be adapted to the geometry of the storage container and the nature of the bulk material. In particular, the should Cross-sectional area of the pipes to be greater, the coarser the particle size of the bulk material is.
  • tubes designed as removal devices can have a cross-sectional area in the range from 0.1 m 2 to 1.0 m 2 , that is, for example, a cross-sectional area of at least 0.1 m 2 , 0.12 m 2 , 0.14 m 2 or 0 , 16 m 2 and also, for example, a cross-sectional area of at most 1.0 m 2 , 0.9 m 2 , 0.8 m 2 , 0.7 m 2 , 0.6 m 2 , 0.5 m 2 , 0.45 m 2 , 0.4 m 2 , 0.35 m 2 or 0.3 m 2 .
  • the cross-sectional area over the entire tube length is substantially constant, so that the risk of caking of the bulk material in the tube is minimized.
  • the tubes may have a diameter of, for example, in the range of 0.36 to 1.1 meters.
  • the total cross-sectional area of all inlets of the removal devices ie, for example, the total cross-sectional area of the upper tube openings of the removal devices designed as tubes, on the one hand to make so large that sufficient bulk material can get into the sampling devices to direct sufficient amounts of different entmischtem bulk material to the outlets of the sampling devices On the other hand, however, they can not be so large that the flow of bulk material through the storage container is hindered.
  • the total cross-sectional area of the inlets can be, for example, in the range of 5% to 80% of the cross-sectional area of the storage container, ie for example at least 6, 7 or 8% and for example also at most 70, 60, 50, 40, 30 or 20% of Cross-sectional area of the storage container.
  • the removal devices can basically consist of any material, preferably of steel.
  • the inlets of the removal devices and preferably also the removal devices themselves are preferably arranged at a distance from the inner wall of the storage container, for example in a range between 0.1 to 0.9, ie for example also in a range from 0.2 to 0.8 or 0.3 to 0.7 radii from the central longitudinal axis of the storage container in the direction of the inner wall of the storage container, wherein the reference point in each case the center of the inlet is defined.
  • the removal devices in particular, for example, removal devices designed as tubes, are arranged along a ring running around the central longitudinal axis of the storage container, preferably evenly spaced from one another. As a result, a statistically uniform removal of different segregated bulk material from the storage container is possible.
  • outlets of the removal devices and the outlet of the hopper of the storage container are designed such that bulk material located in the removal devices or in the storage container can be diverted through the outlets from the removal devices and the storage container.
  • the outlets are designed such that the amount of bulk material to be diverted from the removal devices and the storage container can be metered or controlled.
  • means known from the prior art for controlling or metering bulk material which can be diverted from silos can be provided.
  • such means for controlling or metering bulk material which can be diverted from the outlets can be slide fasteners, scissor seals or rotary valves.
  • the means for controlling or metering the amount of bulk material which can be diverted from the outlets of the removal devices and the hopper of the storage container are electrically controllable, so that the amount of bulk material which can be diverted from the removal devices and the storage container is electrically controllable.
  • outlets of the removal devices are arranged adjacent to the outlet of the hopper of the storage container. In this way, a particularly simple supply of discharged from the outlets of the removal devices and the storage container bulk material in the receiving device is possible.
  • removal devices are provided in the form of vertical tubes, they may be passed at its lower end portion through the funnel of the outlet, wherein the outlets of the sampling devices may also be arranged at the level of the outlet of the funnel.
  • the removal devices in particular insofar as these are designed as tubes, can extend at least in sections inside the storage container.
  • sampling devices designed as tubes can initially extend from their upper tube end or inlet in the interior of the storage container down to the funnel, through it and further up to its outlet outside the storage container.
  • the outlet of the funnel of the storage container is arranged in the region of the central longitudinal axis of the storage container.
  • removal devices are also provided in the form of vertically extending tubes, which are arranged annularly around the central longitudinal axis of the storage container, the outlets of the removal devices can thus be arranged along a ring around the outlet of the hopper of the storage container. This allows a particularly simple supply of discharged from the outlets bulk material in the receiving device.
  • the receiving device is designed such that in this out of the outlets of the removal devices and the discharged from the outlet of the hopper of the storage container bulk material can be introduced and merged in this.
  • the receiving device can be designed, for example, box, silo or funnel-shaped.
  • the receiving device has only a relatively small height, in particular such a small height that there is no or at least no significant segregation of the combined in the receiving device bulk material.
  • the receiving device has a mixing device for mixing the bulk material therein. This can be counteracted any segregation of the bulk material in the receiving device.
  • the receiving device is preferably arranged such that bulk material discharged from the outlets of the removal devices and the outlet of the hopper of the storage container can be introduced into the receiving device by gravity.
  • the receiving device may be arranged, for example, below the outlets, so that from the Outlets discharged bulk material gravity trickles into the receiving device.
  • the bulk material collected in the receiving device can then be fed to a downstream process stage.
  • funding may be provided by which the bulk material in the receiving device from the receiving device of a downstream process stage is zuleitbar.
  • a receiving device in the form of a funnel is provided.
  • the hopper may, for example, open into a conveying means, for example a conveying screw.
  • At least one of the removal devices has a device for determining physical properties of the bulk material located in the respective removal device.
  • these devices may be those for determining at least one of the following physical properties of the bulk material: the bulk density, the mass, the volume or the particle size distribution of the bulk material present in the respective removal device.
  • a corresponding device for determining physical properties of the material to be discharged from the outlet of the hopper of the storage container can be provided.
  • This device can be arranged for example in the region of the outlet.
  • a device for determining physical properties of the combined in the receiving device Be provided bulk material.
  • This device can, for example, be assigned to the receiving device itself or can be modeled on it, for example a process step downstream of the receiving process, to which the bulk material discharged from the receiving device is fed.
  • the advantage of such devices for determining physical properties of the bulk material lies in particular in the fact that it constantly monitors the physical properties of the bulk material in the removal devices, the bulk material that can be discharged from the outlet of the hopper of the storage container and the bulk material that has been combined in the receiving device.
  • the silo can have a data processing device which is designed such that it receives the measured values measured by the devices for measuring the physical properties of the bulk material and processes the metering of the amount of bulk material discharged from the outlets of the removal devices and the hopper of the storage container Dependence of processed measured values controls.
  • the data processing device can be designed, for example, to deliver a corresponding control signal to electrically controllable means for metering or controlling the amount of bulk material that can be diverted from the outlets.
  • the bulk material discharged from the outlets of the removal devices and the hopper of the storage container are brought together in the receiving device.
  • this merged bulk material can be mixed by itself mixing or, for example, mixed, for example, by a mixing device associated with the receiving device.
  • the composition of the combined bulk material can be specifically influenced or controlled.
  • the amount of discharged from the respective outlets of the sampling devices and the outlet of the hopper of the storage container bulk material can be controlled, in particular via the means for controlling or metering the amount of auslrittbaren from the outlets bulk material.
  • the above-mentioned devices can be used.
  • the amount of discharged from the outlets bulk material can be metered or controlled, in particular by electrically controllable means for metering or controlling the amount of auslrittbaren from the outlets bulk material, said means, as stated above, for example, by control signals of the above Data processing device can be controlled.
  • the control of the amount of bulk material which can be discharged from the outlets can then be determined as a function of the measured physical properties of the bulk material in the removal devices and of the bulk material which can be discharged out of the outlet of the hopper of the storage container, as well as bulk material which has been combined.
  • the control of the means for controlling or metering the amount of bulk material which can be discharged from the outlets is designed as a control loop, the physical properties of the bulk material combined from the outlets being measured and the means for metering or controlling the out of the outlets be discharged bulk material depending on the measured physical values of the bulk material in the sampling devices, which can be discharged from the outlet of the hopper of the storage container and the merged bulk material.
  • the silo according to the invention can be used to store and remove any desired bulk material.
  • the silo according to the invention is used for the storage and removal of expanded perlite.
  • FIG. 1 a silo is shown, which is designated overall by the reference numeral 1.
  • the silo 1 is designed as a round silo and comprises a storage container 3, which has an in FIG. 1 not shown St only is placed on a ground.
  • the storage container 3 comprises a substantially cylindrical body 7 with a circular cross-section, which opens at its lower end into a conical funnel 9.
  • the central longitudinal axes of the cylindrical body 7 and the funnel 9 extend coaxially to the vertically extending central longitudinal axis L of the storage container 3.
  • At its lowest lower portion of the funnel 9 opens into an outlet 11.
  • the storage container 3 has an inlet in the form of an opening thirteenth on, by which he can be filled with a bulk material 5.
  • the silo 1 has removal devices in the form of six vertical tubes 15.1-15.6, of which in FIG. 1 the lying in the plane of the tubes 15.1 and 15.4 and two lying in front of the drawing plane tubes 15.5 and 15.6 are shown.
  • FIG. 2 is a sectional view from above of the silo 1 along the section plane A according to FIG. 1 , Good to see in FIG. 2 in that the six tubes 15.1-15.6 extend uniformly spaced apart along a circular path around the central longitudinal axis L of the storage container 3. The distance between the tubes 15.1-15.6 is about 0.5 radii from the central longitudinal axis L to the inner wall 3i of the storage container. 3
  • the respective upper, open tube end of the tubes 15.1-15.6 is designed as an inlet for introducing bulk material 5 into the respective tube 15.1-15.6.
  • These inlets 17.1-17.6 (of which in the figures only the inlets 17.1, 17.4, 17.5 and 17.6) of the tubes 15.1-15.6 are respectively disposed below the inlet 13 of the storage tank and above the outlet 11 of the outlet of the storage tank 3.
  • the inlets 17.1-17.6 are arranged in three different heights, wherein the inlets extend from each other with respect to the central longitudinal axis L respectively opposite tubes 15.1 and 15.4, 15.2 and 15.5 and 15.3 and 15.6 each at the same height.
  • the tubes 15.1-15.6 have a constant tube cross-section and extend within the storage container 3 from its upper, the respective inlet 17.1-17.6 forming end first down to the funnel 9 and then therethrough to its lower end to which the respective outlet 19.1-19.6 (of which in the figures only the outlets 19.1, 19.4, 19.5 and 19.6 are shown) of the respective pipe 15.1-15.6 is formed.
  • the outlets 19.1-19.6 of the tubes 15.1-15.6 and the outlet 11 of the funnel 9 are at the same height.
  • the outlets 11, 19.1-19.6 each have a rotary valve 21.1-21.6 (of which only the rotary valves 21.1, 21.4, 21.5 and 21.6 are shown in the figures) 23 , which is electrically controllable via signal lines S.
  • a receiving device 25 in the form of a conical funnel 25 is arranged such that from the outlets 19.1-19.6, 11 ausleitbares bulk material 5 by gravity trickles into the receiving device 25 and is merged there.
  • the receiving device 25 opens at its lower end in a screw conveyor 27, via which in the receiving device 25th merged bulk material 5 'can be fed to a downstream process stage.
  • this downstream process stage is a conveyor belt 29 onto which the combined bulk material 5 'is conveyed via the screw conveyor 27.
  • the cylindrical portion 7 of the storage container 3 has a diameter of 4 m and a height of 9.5 m.
  • the upper tube end and thus the inlets 17.1 and 17.4 of the tubes 15.1 and 15.4 runs approximately 3 m below the inlet 13 of the storage container 3.
  • the inlets 17.2 and 17.5 of the tubes 15.2 and 15.5 extend 3 m below and the inlets 17.3 and 17.6 of the tubes 15.3 and 15.6 more 3 meters below.
  • the diameter of the tubes 15.1-15.6 is 0.5 meters each.
  • the silo 1 has devices 31 for measuring the bulk density of the bulk material 5 'which can be diverted in the pipes 15.1-15.6 and the bulk material 5 which can be diverted from the outlet 11 of the hopper 9 and the bulk material 5' which has been brought together in the receiving device 25. These devices 31 are arranged on the tubes 15.1-15.6, in the region of the outlet 11 of the funnel 9 and in the region of the conveyor belt 29. The values measured by these devices 31 for the bulk density of the bulk material 5 and the combined bulk material 5 'can be forwarded via data lines D to a data processing device 33.
  • the data processing device 33 is designed to receive and process the data transmitted by the devices 31. Furthermore, the data processing device 33 is designed such that through these data signals via the signal lines S to the rotary valves 21.1-21.6, 23 for metering of the discharge from the outlets 19.1-19.6, 11 conductive bulk material 5 are conductive.
  • bulk material 5 can be filled into and removed from the silo shown in the exemplary embodiment as follows.
  • the storage tank 3 of the silo 1 is filled via its inlet 13 with bulk material 5, preferably to a filling level above the inlets 17.1-17.6 of the tubes 15.1-5.6.
  • the bulk material 5 located in the storage container 3 automatically trickles into the tubes 15.1-15.6.
  • the bulk material 5 trickles downward by gravity to the respective outlet 19.1-19.6 of the pipes 15.1-15.6.
  • the bulk material trickles down due to gravity to the outlet 11 of the storage container 3.
  • the outlets 19.1-19.6 of the tubes 15.1-15.6 associated rotary valves 21.1-21.6 and the outlet 11 of the funnel 9 associated rotary valve 23 on the Signal lines S the amount of discharged from the outlets 19.1.-19.6, 11 bulk material 5 is metered.
  • the discharged bulk material 5 is brought together in the receiving device 25, fed from there to the worm wheel conveyor 27, which finally feeds the combined bulk material 5 'to the conveyor belt 29.
  • the devices 31 for measuring the bulk density of the bulk material 5 By the devices 31 for measuring the bulk density of the bulk material 5, on the one hand, the density of the bulk material 5 in the tubes 15.1-15.6 and in the region of the outlet 11 of the hopper 9 of the storage container 3 is measured. On the other hand, by a device 31, the bulk density of the merged, the conveyor belt fed bulk material 5 'is measured. The corresponding measured values are sent via the data lines D to the
  • Data processing device 33 forwarded.
  • the data processing device 33 receives this data, processes it and, depending on the received data, subsequently generates control signals for controlling the rotary valves 21.1-21.6 and 23, which are forwarded thereto via the signal lines S.
  • control signals for controlling the rotary valves 21.1-21.6 and 23, which are forwarded thereto via the signal lines S.
  • the dosage of discharged from the outlets 19.1-19.6 and 11 bulk material 5 can be selectively metered.
  • Such a targeted dosage may, for example, proceed as follows:
  • the devices 31 for measuring the bulk density of the bulk material 5 measure, on the one hand, that the bulk density of the bulk material 5 to be diverted from the outlet 11 of the storage container 3 and the bulk density of the bulk material 5 in the tubes 15.2, 15.3, 15.5 and 15.6 are higher than those Bulk density of the bulk material 5 in the tubes 15.1 and 15.4.
  • the measured values are forwarded via the data lines D to the data processing device 33.
  • a bulk density of this bulk material is measured by the device 31 for measuring the bulk density of the merged, conveyed on the conveyor belt 29 bulk material 5 'and forwarded via the data line D to the data processing device 33.
  • the data processing device 33 determines that the bulk density of the combined bulk material 5 'on the conveyor belt 29 is higher than a previously defined bulk density stored in the data processing device 33. Correspondingly, the data processing device 33 sends such control signals via the signal lines S to the rotary valves 21.1-21.6 and 23, that a smaller proportion of the bulk material 5 from the tubes 15.2, 15.3, 15.5 and 15.6 and a higher proportion of the bulk material 5 from the tubes 15.1 and 15.4 is introduced into the receiving device 25 to the bulk density of the combined in the receiving device 25 bulk material 5 'to reduce.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
EP15153191.0A 2014-06-12 2015-01-30 Silo de stockage de produits en vrac et procédé de prélèvement de produits en vrac à partir d'un silo Active EP2954946B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014108270.2A DE102014108270A1 (de) 2014-06-12 2014-06-12 Silo zur Speicherung von Schüttgut sowie ein Verfahren zur Entnahme von Schüttgut aus einem Silo

Publications (2)

Publication Number Publication Date
EP2954946A1 true EP2954946A1 (fr) 2015-12-16
EP2954946B1 EP2954946B1 (fr) 2016-06-29

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EP15153191.0A Active EP2954946B1 (fr) 2014-06-12 2015-01-30 Silo de stockage de produits en vrac et procédé de prélèvement de produits en vrac à partir d'un silo

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EP (1) EP2954946B1 (fr)
DE (1) DE102014108270A1 (fr)
ES (1) ES2587132T3 (fr)
PL (1) PL2954946T3 (fr)

Cited By (1)

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DE102016124859A1 (de) 2016-12-19 2018-06-21 Krohne Messtechnik Gmbh Verfahren zur Bestimmung der Geschwindigkeit einer Schüttgutoberfläche, Füllstandmessgerät und Verwendung eines Füllstandmessgeräts
DE102020207608A1 (de) 2020-06-19 2021-12-23 Coperion Gmbh Mischsilo für Schüttgut, Herstellungsanlage mit einem derartigen Mischsilo sowie Verfahren zum Betreiben eines derartigen Mischsilos
CN112518986B (zh) * 2020-10-27 2022-05-13 江苏天沃重工科技有限公司 一种筒式干砂仓防离析装置

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DE2819726A1 (de) * 1978-05-05 1979-11-15 Peters Ag Claudius Schwerkraftmischer fuer pulverfoermiges bis koerniges gut
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PL2954946T3 (pl) 2017-01-31
EP2954946B1 (fr) 2016-06-29
DE102014108270A1 (de) 2015-12-17

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