EP1362802B1 - Silobehälterboden - Google Patents
Silobehälterboden Download PDFInfo
- Publication number
- EP1362802B1 EP1362802B1 EP03010152A EP03010152A EP1362802B1 EP 1362802 B1 EP1362802 B1 EP 1362802B1 EP 03010152 A EP03010152 A EP 03010152A EP 03010152 A EP03010152 A EP 03010152A EP 1362802 B1 EP1362802 B1 EP 1362802B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge opening
- silo container
- silo
- nozzles
- container base
- 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.)
- Expired - Lifetime
Links
Images
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
- 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
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
-
- 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
- B65D88/28—Construction or shape of discharge section
-
- 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
Definitions
- the invention relates to a silo container bottom with a Entry opening and a discharge opening, the one having smaller diameter than the entry opening and a cone-shaped wall with the entry opening is connected, and with a blowing device, which has a gas outlet with a blowing area in the area having the discharge opening.
- Such a silo container bottom is known from US Pat. No. 3,578,216 known.
- the discharge opens to a screw conveyor.
- a tuyere directed towards the area is, which is surrounded by the cone-like wall.
- the nozzle becomes either continuous or intermittent supplied with a compressed gas.
- a valve Cam is controlled on the drive shaft of the Conveyor screw is arranged.
- more can Be provided nozzles are being used in Silos stored. Such silos can reach a greater height and, above all, have a larger diameter.
- the silo tank bottom arranged, the first approximation the shape a funnel.
- the diameter of the entry opening the silo container floor corresponds to the diameter of the silo, more precisely of the silo cylinder.
- the discharge opening is usually much smaller.
- the Silo container bottom is usually solvable on the silo jacket attached. But it can also be integral with the silo coat be educated.
- Fluid beds of this kind have basically proven. However, they require during the entire emptying process of the silo a steady influx of Gas. This is not only relatively expensive in operation. Of the ongoing influx of gas has in case of damage the base plate of the fluid bed the adverse Effect that in the distributor room entering bulk material transported by the gas into the bottom plate and it gets clogged.
- DE 714 067 C shows a modified type of fluidized bed, where the cone-shaped wall with a variety from in the direction of the discharge opening directed openings is provided with from a pressure room with be supplied with a compressed gas.
- the individual openings are arranged on circles, so that a stepped gas flow from top to bottom along the cone-shaped wall results.
- GB 2 092 998 A describes another possibility for the formation of a silo container floor.
- Discharge opening of the cone-shaped wall directed into a base.
- the base is opposite the cone-shaped wall movable. It can be vibrated.
- In the base is an upwardly directed dissipation cone arranged, arranged on the surface of a plurality of gas nozzles is.
- the gas nozzles essentially expel gas under pressure parallel to the surface of the cone.
- a Control device is provided to these gas nozzles to operate alternately in groups.
- No. 2 569 085 A describes a silo container bottom an asymmetrically shaped wall between the entry opening and the discharge opening.
- the discharge is closed by a cone which is used to remove the Material from the silo are vibrated can.
- the cone is down from the discharge moved out.
- the invention is based on the object, a silo container bottom indicate the emptying in a simple way a silo allows.
- This task is the case of a silo container bottom mentioned type solved in that the wall with respect formed asymmetrically on the discharge is, the discharge opening closed by a drive is and the blower with the discharge opening closed actuated by a control device is that has a delay device, the Drive operated after the blower.
- the delay device can also by a corresponding Control program be formed, so realized by software become. With the delay device is effected that the blowing device the product in the room fluidized above the discharge opening, as long as the flap is still in a position in which the Discharge opening is closed. Only then, when has fluidized a sufficient amount of product, the flap is opened at a time when the Product is still fluidized.
- the deviation can be here ⁇ 10 °.
- the formation of the wall perpendicular to Of course, the axis of the discharge requires that the Discharge practically unilaterally to the edge of the surface is approached, which covered by the entry opening becomes.
- this has the additional advantage that one next to each other in an arrangement of several silo containers less piping takes to product from the juxtaposed silo containers, because the discharge openings are closer together are adjacent.
- the gas outlet has a plurality of Nozzles which are annular around the discharge opening and / or at a closing the discharge opening Flap are arranged.
- these nozzles it is possible to enter gas in the silo tank to the in the Silo container located product in the discharge opening to fluidize.
- the use of nozzles has the advantage that the nozzles have a relatively sharp Gas jet can produce, at least in the field of Nozzle outlet. The gas creates itself, so to speak a moving distance to the product in the silo bottom to fluidize.
- Several or even all nozzles can also be combined to form an annular gap nozzle.
- the nozzles are directed into a space whose base area through the discharge opening or a discharge opening surrounding ring is limited and located in the remaining parallel to the axis of the discharge or itself opens upwards. So the nozzles are in one cylindrical or even funnel-shaped space directed, which rises above the discharge opening. Without the asymmetrical design of the wall of the container bottom this would mean that a substantially cylindrical area of the product "stamped out” is and through the discharge from the silo container fall out. The rest of the product would be like a Ring wall remain unchanged in the silo container.
- the nozzles are laterally in the discharge opening directed in or parallel to the axis. Both Embodiments cause the cylindrical space above the discharge opening so exposed to gas is that the product located there fluidized becomes. If the nozzles are laterally in the discharge opening directed into it, should expediently a Flap or other closure for the discharge opening be provided.
- a portion of the nozzles can be laterally in the Discharge opening into it and a part of the nozzles in parallel be directed to the axis. Also in this case results the desired fluidization of the product in the cylindrical space above the discharge opening.
- the discharge opening is with a flap lockable, which has a drive. Leave it the removal of product from the silo container still better control, i. you do not need to that the product flow only by the blowing process of the gas is controlled.
- the control device preferably controls the blowing device pulse-like manner. This has several advantages. On the one hand results from a pulse-like injection of gas in the silo tank bottom an improved fluidization effect on the product. On the other hand, the Blower with a reduced energy consumption operate.
- auxiliary blowing openings are provided in the wall. These auxiliary blow holes are especially at the end the emptying of the silo container bottom advantageous when product residues settle on the wall.
- Silo container bottom 3 has the same at its upper end Diameter as the shell 2 of the silo container.
- 1 Product, which is located in the silo 1, passes therefore by the connection plane between the jacket 2 and the silo container bottom 3 into the interior 4 of the silo container bottom.
- an entry opening 5 is present, through which the product from the silo container 1 into the interior 4 of the silo tank bottom 3 comes.
- the silo tank bottom 3 has a discharge opening 6, which can be closed by a flap 7 is.
- the flap is with solid lines in closed position and with dashed lines in open position shown.
- the flap 7 has a only schematically illustrated drive 8, the she can pivot.
- the drive 8 would be in plan view not visible in and of itself.
- the discharge opening 6 is asymmetrical to the middle of the silo container bottom 3 arranged as shown in FIG. 1 to recognize.
- the discharge opening 6 is arranged in this case, that a portion 9 of the wall 10 of the silo container bottom 3 perpendicular or at least nearly vertical stands.
- nozzles 11 directed into the discharge opening 6 in.
- Further nozzles 12 are provided, which after are directed above.
- These nozzles 11, 12 are of a Blower 13 supplies.
- the blowing device 13 operates impulsive, i. from the nozzles 11, 12 occur in short time intervals pressure surges of the gas, for example Compressed air, open.
- Nozzles can also nozzle not shown or be provided on the flap 7, which through the Flap 7 are supplied through. In any case, can one several or even all nozzles 11, 12 too to summarize slit-shaped ring nozzles.
- the nozzles 11, 12 are actuated, as long as the flap. 7 closed is.
- a control device 14th provided that both the blowing device 13 and controls the drive 8 for the flap 7. She makes sure that at least at the beginning of the injection of gas in the interior 4 of the silo container bottom 3, the flap. 7 is closed or remains closed.
- the nozzles 11, 12 generate in this way in a cylindrical or yourself upwardly opening space above the discharge opening 6, which is indicated by a dashed line 15, an area where the product is located in the interior 4 is fluidized.
- This approximately cylindrical Room 16 is standing by the vertical Section 9 of the wall 10 limited. There can be a do not hold annular compressive stress in the product. Rather, the product slips down this wall and the hoop stress in the product breaks down.
- auxiliary blowing holes 17 may be provided be, which also from the blowing device 13 be operated.
- a valve 18 is provided, over which the auxiliary blowing openings 17 are controlled can.
- the blowing device 13 has a compressed gas tank 19, that of a compressed gas source 20, for example a Compressor, supplied with compressed gas, such as air becomes.
- the compressed gas source 20 is a "normal" Line 21 is connected to the compressed gas tank 19, i. with a conduit having a conventional cross-section.
- the compressed gas source 20 a certain distance from the compressed gas tank 10 then the line a certain, no longer negligible Flow resistance on. But as long as through the line 21 only a comparatively small amount of compressed gas flows, the flow losses are tolerable.
- the compressed gas tank 19 is connected via a line 22 with the Nozzles 11, 12 connected.
- the line 22 is short, i. the compressed gas tank 19 is in the immediate vicinity the discharge opening 6 is arranged, and the line 22nd has a relatively large cross-section.
- a valve 23 is arranged, which is controlled by the control device 14 is controlled. If now the valve 23 is opened, then the compressed gas can escape from the tank 19 quasi abruptly through the line 22 to the nozzles 11, 12 discharged and so a pressure surge in the area 16 in the interior of the silo container bottom 3 can.
- the valve 23 is closed again and the compressed gas tank 19 is recharged.
- the controller 14 controls, as explained above, not only the valve 23, but also the drive 8 for the flap 7 and that such that the flap 7 only is opened after the product in the area 16 through a predetermined number of pressure surges fluidized has been.
- the flap 7 has been opened, then is a further fluidization of the product in the interior 4 of the silo container bottom 3 usually not required but the silo 1 runs after once it has been triggered, empty.
- the idling can be interrupted by the Flap 7 is closed again.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Storage Of Harvested Produce (AREA)
- Glass Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Description
- Fig. 1
- eine Draufsicht von oben auf einen Silobehälterboden und
- Fig. 2
- einen schematischen Querschnitt durch einen Silobehälterboden am unteren Ende eines Silos.
Claims (10)
- Silobehälterboden (3) mit einer Eintragöffnung (5) und einer Austragöffnung (6), die einen kleineren Durchmesser als die Eintragöffnung (5) aufweist und über eine konusartig geformte Wand (10) mit der Eintragöffnung (5) verbunden ist, und mit einer Blaseinrichtung (13), die einen Gasaustritt (11, 12) mit einem Anblasbereich im Bereich der Austragöffnung (6) aufweist, dadurch gekennzeichnet, daß die Wand (10) in Bezug auf die Austragöffnung (6) asymmetrisch ausgebildet ist, die Austragöffnung (6) durch einen Antrieb (8) verschließbar ist und die Blaseinrichtung (13) bei geschlossener Austragöffnung (6) durch eine Steuereinrichtung (14) betätigbar ist, die eine Verzögerungseinrichtung aufweist, die den Antrieb (8) nach der Blaseinrichtung (13) betätigt.
- Silobehälterboden nach Anspruch 1, dadurch gekennzeichnet, daß die Wand (10) an einem Teilabschnitt (9) ihres Umfangs nahezu parallel zur Achse der Austragöffnung (6) verläuft.
- Silobehälterboden nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Gasaustritt eine Mehrzahl von Düsen (11, 12) aufweist, die ringförmig um die Austragöffnung (6) herum und/oder an einer die Austragöffnung verschließenden Klappe angeordnet sind.
- Silobehälterboden nach Anspruch 3, dadurch gekennzeichnet, daß die Düsen (11, 12) in einen Raum (16) gerichtet sind, dessen Grundfläche durch die Austragöffnung (6) oder einen die Austragöffnung umgebenden Ring begrenzt ist und der sich im übrigen parallel zur Achse der Austragöffnung (6) oder sich nach oben öffnend erstreckt.
- Silobehälterboden nach Anspruch 4, dadurch gekennzeichnet, daß die Düsen (11, 12) seitlich in die Austragöffnung (6) hinein oder parallel zur Achse gerichtet sind.
- Silobehälterboden nach Anspruch 4, dadurch gekennzeichnet, daß ein Teil der Düsen (11) seitlich in die Austragöffnung (6) hinein und ein Teil der Düsen (12) parallel zur Achse gerichtet sind.
- Silobehälterboden nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Austragöffnung (6) mit einer Klappe (7) verschließbar ist, die einen Antrieb (8) aufweist.
- Silobehälterboden nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Steuereinrichtung (14) die Blaseinrichtung (13) pulsartig steuert.
- Silobehälterboden nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Blaseinrichtung (13) einen Druckgastank (19) aufweist, der in der Nachbarschaft der Austragöffnung (6) angeordnet ist und der über eine Leitung (22) mit dem Gasaustritt (11, 12) verbunden ist, deren Strömungswiderstand geringer als der Strömungswiderstand einer Fülleitung (21) des Druckgastanks (19) ist.
- Silobehälterboden nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß in der Wand (10) Hilfsblasöffnungen (17) vorgesehen sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10221964A DE10221964B4 (de) | 2002-05-17 | 2002-05-17 | Silobehälterboden |
DE10221964 | 2002-05-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1362802A2 EP1362802A2 (de) | 2003-11-19 |
EP1362802A3 EP1362802A3 (de) | 2004-01-21 |
EP1362802B1 true EP1362802B1 (de) | 2005-11-23 |
Family
ID=29265336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03010152A Expired - Lifetime EP1362802B1 (de) | 2002-05-17 | 2003-05-06 | Silobehälterboden |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1362802B1 (de) |
AT (1) | ATE310689T1 (de) |
DE (2) | DE10221964B4 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010007631U1 (de) | 2010-01-29 | 2011-07-25 | Feldbinder Spezialfahrzeugwerke Gmbh | Auslaufvorrichtung für Schüttgut |
DE102011002551A1 (de) | 2010-01-29 | 2011-08-04 | Feldbinder Spezialfahrzeugwerke GmbH, 21423 | Auslaufvorrichtung für Schüttgut |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8387824B2 (en) | 2005-07-02 | 2013-03-05 | Syngenta Participations Ag | Apparatuses and methods for bulk dispensing |
WO2007005054A2 (en) | 2005-07-02 | 2007-01-11 | Syngenta Participations Ag | Apparatus and method for coordinating automated package and bulk dispensing |
GB2493460A (en) * | 2012-08-02 | 2013-02-06 | Linde Ag | Fire Prevention in Storage Silos |
CN109335357B (zh) * | 2018-12-06 | 2023-08-15 | 马钢集团矿业有限公司 | 一种矿料仓口疏通装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE714067C (de) * | 1938-06-08 | 1941-11-20 | Hannoversche Maschb Act Ges Vo | Vorratsbehaelterauslauftrichter fuer staubfoermiges Gut mit einer sich daran anschliessenden Entnahmefalleitung |
US2569085A (en) * | 1944-08-17 | 1951-09-25 | Wood David Howard | Hopper, with valve closure having vibrator therein, for sand and other divided material |
DE839330C (de) * | 1950-10-28 | 1952-05-19 | Natronzellstoff Und Papierfabr | Vorrichtung zum Abfuellen schwer fliessbarer Fuellgueter, vornehmlich fuer Sackfuellmaschinen mit automatischer Waage |
DE1055447B (de) * | 1956-05-02 | 1959-04-16 | Friedrich Laas | Auflockerungseinrichtung an Behaeltern, Bunkern od. dgl. |
US3578216A (en) * | 1968-12-03 | 1971-05-11 | William S Pearson | Prevention of arching compaction of discrete material in gravity feed hoppers |
GB2092998A (en) * | 1981-02-13 | 1982-08-25 | Nat Res Dev | Handling materials of powder form |
US5096096A (en) * | 1990-07-16 | 1992-03-17 | Thomas Conveyor Company | Fluidized bed discharge bin |
DE19518360C2 (de) * | 1995-05-19 | 1997-08-21 | Reimelt Dietrich Kg | Fließbett |
-
2002
- 2002-05-17 DE DE10221964A patent/DE10221964B4/de not_active Expired - Fee Related
-
2003
- 2003-05-06 AT AT03010152T patent/ATE310689T1/de not_active IP Right Cessation
- 2003-05-06 DE DE50301717T patent/DE50301717D1/de not_active Expired - Lifetime
- 2003-05-06 EP EP03010152A patent/EP1362802B1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010007631U1 (de) | 2010-01-29 | 2011-07-25 | Feldbinder Spezialfahrzeugwerke Gmbh | Auslaufvorrichtung für Schüttgut |
DE102011002551A1 (de) | 2010-01-29 | 2011-08-04 | Feldbinder Spezialfahrzeugwerke GmbH, 21423 | Auslaufvorrichtung für Schüttgut |
Also Published As
Publication number | Publication date |
---|---|
ATE310689T1 (de) | 2005-12-15 |
EP1362802A3 (de) | 2004-01-21 |
EP1362802A2 (de) | 2003-11-19 |
DE50301717D1 (de) | 2005-12-29 |
DE10221964A1 (de) | 2003-11-27 |
DE10221964B4 (de) | 2005-11-10 |
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