EP0117397B2 - Method for filling a vessel conveyor - Google Patents
Method for filling a vessel conveyor Download PDFInfo
- Publication number
- EP0117397B2 EP0117397B2 EP84100261A EP84100261A EP0117397B2 EP 0117397 B2 EP0117397 B2 EP 0117397B2 EP 84100261 A EP84100261 A EP 84100261A EP 84100261 A EP84100261 A EP 84100261A EP 0117397 B2 EP0117397 B2 EP 0117397B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bulk material
- filling
- actuated
- conveyor
- vessel
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 239000013590 bulk material Substances 0.000 claims abstract description 18
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims abstract 2
- 239000000843 powder Substances 0.000 claims abstract 2
- 230000035485 pulse pressure Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 description 7
- 238000005429 filling process Methods 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- 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
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/72—Fluidising 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
- 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
- B65D90/626—Gates or closures having closure members movable out of the plane of the opening having a linear 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
- B65D2590/547—Gates or closures in multiple arrangement
Definitions
- the present invention relates to a method for filling a vessel conveyor for the pneumatic conveying of, in particular, hard-flowing bulk material from a storage silo, in particular for conveying dry mortars and dry plasters, with a cone closure actuated by means of a pneumatically operating device in relation to an inlet cone, the inlet cone being devices for pulse-like Has ventilation of the incoming bulk material and the cone closure is also actuated in a pulsed manner during the inflow of the bulk material.
- Vessel conveyors are used for the pneumatic conveyance of bulk goods from storage silos, they are generally filled with bulk goods from a storage silo using a screw cap, and then the bulk goods are conveyed from the vat conveyor to the point of use or packaging point by means of compressed air.
- Such conveyors have also found their way into the building materials sector. They are therefore also used on construction sites to convey dry mortar and plaster to the processing point via hose lines.
- the operation of such vessel conveyors is discontinuous. Compared to some continuously operating systems, these devices have the advantage that the storage silo is not pressurized and therefore does not have to be designed as a pressure vessel.
- the operation of the vessel conveyor is as follows: After it has been connected to the storage silo, the lines for the ventilation air to the inlet cone and for the pneumatic actuation of the cone closure are pressurized with air at intervals of 1 to 2 seconds and compliance with a pulse pressure / IP ratio of about 1: 1 Generally used at a pressure of 2 bar, depending on the degree of synchronization of ventilation air pressure and cone closure pneumatics, loosening of the incoming bulk material and opening of the cone closure.
- the pressure drop during the pulse pause should expediently only be 35 to 40%.
- An adaptation to the flowability of the bulk material can be done by changing the pulse / pause ratio, changing the extent of the pressure drop during the pulse pause and finally by changing the degree of synchronization of the compressed air pulses for ventilation air and cone lock pneumatics. Finally, it is still possible to change the degree of synchronization during the filling process of the vascular conveyor to adapt to the particular flow behavior of the bulk material. Such changes can be made by means of provided manual controls if required, but they can also be made by automatic regulation depending on the filling level of the vascular conveyor, depending on the time.
- a porous, air-permeable plate can be provided on the bottom of the vessel conveyor, which serves to loosen up the bulk material in the vessel conveyor.
- 1 denotes the vessel conveyor, which has a conically shaped inlet part 2, which is fastened to the lower part of the storage silo 3 by fastening means, not shown.
- the lower part 3 of the storage silo is a flange piece with a built-in flap that can be opened and closed by lever 4.
- the lower part of the vessel conveyor 1 is conical, is provided with a nozzle 5 to which the delivery line is connected and is connected to a flange piece 6, through the nozzle 7 of which the conveying air is supplied.
- a porous plate 9 is arranged, which serves as a ventilation floor for the bulk material located in the vessel conveyor during the conveying process.
- the vessel conveyor 1 has a cone closure 10 with respect to the inlet cone, which is sealed by an annular seal 11.
- the cone closure 10 is in the filling process via a pneumatic cylinder 12 by means of a piston rod 13 opened against the force of the spring 14 and closed accordingly with spring force support and compressed air on the lower side of the double-acting pneumatic piston.
- the opening and closing mechanism is held by a three-point suspension 15. 16 is the compressed air supply line during the opening process of the cone closure and 17 is the compressed air supply line during the closing process, which leads out of the vessel conveyor 1 at a position not shown.
- the porous, air-permeable lining of the inlet cone is designated by 18.
- Compressed air is fed into the space between the conically shaped inlet part 2 and the porous lining 18 via the nozzle 19 during the filling process in order to loosen up the bulk material in the inlet part.
- the compressed air supply is also pulsed for the pneumatics of the plug lock.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren zum Befüllen eines Gefäßförderers zur pneumatischen Förderung von insbesondere schwerflie-Bendem Schüttgut aus einem Vorratssilo, insbesondere zur Förderung von Trockenmörteln und Trockenputzen, mit einem mittels einer pneumatisch arbeitenden Einrichtung betätigten Kegelverschluß gegenüber einem Einlaufkonus, wobei der Einlaufkonus Einrichtungen zur impulsartigen Belüftung des zulaufenden Schüttgutes aufweist und der Kegelverschluß während des Zulaufes des Schüttgutes ebenfalls impulsartig betätigt wird.The present invention relates to a method for filling a vessel conveyor for the pneumatic conveying of, in particular, hard-flowing bulk material from a storage silo, in particular for conveying dry mortars and dry plasters, with a cone closure actuated by means of a pneumatically operating device in relation to an inlet cone, the inlet cone being devices for pulse-like Has ventilation of the incoming bulk material and the cone closure is also actuated in a pulsed manner during the inflow of the bulk material.
Gefäßförderer werden zur pneumatischen Förderung von Schüttgütern aus Vorratssilos eingesetzt, sie werden aus einem Vorratssilo mit dem Schüttgut im allgemeinen über einen Drehverschluß befüllt, anschließend wird das Schüttgut aus dem Gefäßförderer mittels Druckluft zur Verbrauchsstelle oder Verpackungsstelle gefördert. Derartige Fördereinrichtungen haben auch bereits auf dem Baustoffsektor Eingang gefunden. Sie werden daher auch auf Baustellen zur Förderung von Trockenmörtein und -putzen zur Verarbeitungsstelle über Schlauchleitungen eingesetzt. Die Arbeitsweise derartiger Gefäßförderer ist diskontinuierlich. Gegenüber einigen kontinuierlich arbeitenden Systemen haben diese Einrichtungen den Vorteil, daß der Vorratssilo nicht druckbeaufschlagt wird und daher auch nicht als Druckgefäß ausgelegt sein muß.Vessel conveyors are used for the pneumatic conveyance of bulk goods from storage silos, they are generally filled with bulk goods from a storage silo using a screw cap, and then the bulk goods are conveyed from the vat conveyor to the point of use or packaging point by means of compressed air. Such conveyors have also found their way into the building materials sector. They are therefore also used on construction sites to convey dry mortar and plaster to the processing point via hose lines. The operation of such vessel conveyors is discontinuous. Compared to some continuously operating systems, these devices have the advantage that the storage silo is not pressurized and therefore does not have to be designed as a pressure vessel.
Es ist bekannt, bei der Vorrichtung nach DE-OS-2 201 119 zur Förderung von nicht rieselfähigem Schüttgut in Form der Schub- und Pfropfenförderung die als Fördermittel dienende Druckluft intermittierend zuzuführen.It is known that in the device according to DE-OS-2 201 119 for conveying non-free-flowing bulk material in the form of push and plug conveyance, the compressed air serving as conveying means is to be fed intermittently.
Bei den üblichen Verfahren zur Befüllung eines Gefäßförderers treten jedoch insofern Nachteile auf, als z. B. bei schwerfließenden Schüttgütem, insbesondere bei Trockenmörteimischungen, die Befüllung des Gefäßförderers aus dem Vorratssilo gestört wird. Weder Rüttel- und Schlageinrichtungen noch ein einmaliger Aufschlagimpuls beim Öffnungsvorgang eines pneumatisch betätigten Kegelverschlusses, wie aus DE-OS-2 657 742 bekannt, können diesen Nachteil beseitigen. Auch eine übliche Belüftung des unteren Silotells über Düsen und Ringleitungen ist unvorteilhaft, weil es dadurch zu Entmischungen des Schüttgutes, insbesondere bei Trockenmörteln und -putzen, kommen kann, welche die Verarbeitbarkeit des geförderten Materials nachteil beeinträchtigen.In the usual methods for filling a vascular conveyor, however, there are disadvantages in that z. B. with poorly flowing bulk goods, especially dry mortar mixtures, the filling of the vessel conveyor is disturbed from the storage silo. Neither vibrating and striking devices nor a one-time impact impulse during the opening process of a pneumatically operated cone lock, as known from DE-OS-2 657 742, can overcome this disadvantage. Conventional ventilation of the lower silo pan via nozzles and ring lines is also disadvantageous because it can lead to segregation of the bulk material, especially with dry mortar and plaster, which adversely affects the workability of the conveyed material.
Es bestand daher die Aufgabe, ein Verfahren zum Befüllen eines Gefäßförderers der eingangs geschilderten Art zu schaffen, bei dem die geschilderten Nachteile vermieden werden, ohne daß das Material im Zulaufteil des Gefäßförderers beziehungsweise im meist konisch ausgebildeten unteren Teil des Vorratssilos Brücken bildet und hängenbleibt. Gleichzeitig muß die Arbeitsweise bedingen, daß Entmischungen des Schüttgutes verhindert werden.It was therefore the task of creating a method for filling a vessel conveyor of the type described at the outset, in which the disadvantages described are avoided without the material forming bridges in the feed section of the vessel conveyor or in the mostly conical lower part of the storage silo and getting stuck. At the same time, the way of working must ensure that segregation of the bulk material is prevented.
Diese Aufgabe wird gemäß den Patentansprüchen gelöst.This object is achieved according to the patent claims.
Die Arbeitsweise des Gefäßförderers gestaltet sich wie folgt: Nach seinem Anschluß an den Vorratssilo werden die Leitungen für die Belüftungsluft zum Einlaufkonus und zur pneumatischen Betätigung des Kegelverschlusses druckluftbeaufschlagt in Intervallen von 1 bis 2 Sek. und Einhaltung eines Impulsdruck-IPausenverhältnisses von etwa 1 : 1 unter Verwendung im allgemeinen eines Druckes von 2 bar, wobei je nach Synchronisierungsgrad von Belüftungsluftdruck und Kegelverschlußpneumatik die Auflokkerung des zulaufenden Schüttgutes und die Öffnung des Kegelverschlusses erfolgen. Der Druckabfall während der Impulspause sollte zweckmäßig nur 35 bis 40 % betragen. Eine Anpassung an die Fließfähigkeit des Schüttgutes kann dadurch erfolgen, daß das Impuls-/Pausenverhältnis verändert wird, daß das Ausmaß des Druckabfalles während der Impulspause verändert wird und schließlich durch Änderung des Synchronisierungsgrades der Druckluftimpulse für Belüftungsluft und Kegelverschlußpneumatik. Schließlich ist es noch möglich, zur Anpassung an besonderes Fließverhalten des Schüttgutes den Synchronisierungsgrad während des Befüllvorganges des Gefäßförderers zu verändern. Derartige Änderungen können durch vorgesehene Handsteuerungen bei Bedarf vorgenommen werden, sie können aber auch durch automatische Reglelung in Abhängigkeit vom Füllungsgrad des Gefäßförderers, in Abhängigkeit von der Zeit vorgenommen werden.The operation of the vessel conveyor is as follows: After it has been connected to the storage silo, the lines for the ventilation air to the inlet cone and for the pneumatic actuation of the cone closure are pressurized with air at intervals of 1 to 2 seconds and compliance with a pulse pressure / IP ratio of about 1: 1 Generally used at a pressure of 2 bar, depending on the degree of synchronization of ventilation air pressure and cone closure pneumatics, loosening of the incoming bulk material and opening of the cone closure. The pressure drop during the pulse pause should expediently only be 35 to 40%. An adaptation to the flowability of the bulk material can be done by changing the pulse / pause ratio, changing the extent of the pressure drop during the pulse pause and finally by changing the degree of synchronization of the compressed air pulses for ventilation air and cone lock pneumatics. Finally, it is still possible to change the degree of synchronization during the filling process of the vascular conveyor to adapt to the particular flow behavior of the bulk material. Such changes can be made by means of provided manual controls if required, but they can also be made by automatic regulation depending on the filling level of the vascular conveyor, depending on the time.
Nach Befüllung des Gefäßförderers wird die Druckluft auf Förderung zum Verbraucher umgeschaltet, das Kegelventil befindet sich in Schließstellung, die Belüftungsluft ist abgeschaltet und der Inhalt des Gefäßförderers wird durch an sich bekannte Maßnahmen entleert. Dazu kann am Boden des Gefäßförderers, wie an sich bekannt, eine poröse luftdurchlässige Platte vorgesehen werden, die der Auflockerung des Schüttgutes im Gefäßfördererdient.After filling the vessel conveyor, the compressed air is switched to delivery to the consumer, the cone valve is in the closed position, the ventilation air is switched off and the contents of the vessel conveyor are emptied by measures known per se. For this purpose, as is known per se, a porous, air-permeable plate can be provided on the bottom of the vessel conveyor, which serves to loosen up the bulk material in the vessel conveyor.
In der Zeichnung ist mit 1 der Gefäßförderer bezeichnet, der ein konisch ausgebildetes Einlaufteil 2 aufweist, welches durch nicht gezeigte Befestigungsmittel am unteren Teil des Vorratssilos 3 befestigt ist. Das untere Teil 3 des Vorratssilos ist ein Flanschstück mit eingebauter Klappe, die durch den Hebel 4 geöffnet und geschlossen werden kann. Das untere Teil des Gefäßförderers 1 ist konisch ausgebildet, mit einem Stutzen 5 versehen, an welchen die Förderleitung angeschlossen wird und ist mit einem Flanschstück 6 verbunden, durch dessen Stutzen 7 die Förderluft zugeführt wird. Zwischen den Flanschen 8 und 8' ist eine poröse Platte 9 angeordnet, welche als Beluftungsboden für das im Gefäßförderer befindliche Schüttgut während des Fördervorganges dient. Der Gefäßförderer 1 besitzt gegenüber dem Einlaufkonus einen KegelverschluB 10, der über eine Ringdichtung 11 abgedichtet ist. Der Kegelverschluß 10 wird beim Befüllvorgang über einen Pneumatikzylinder 12 mittels einer Kolbenstange 13 gegen die Kraft der Feder 14 geöffnet und entsprechend mit Federkraftunterstützung sowie Druckluftbeaufschlagung auf die untere Seite des doppelt wirkenden Pneumatikkolbens geschlossen. Der Öffnungs- und Schliessmechanismus wird durch eine Dreipunktaufhängung 15 gehalten. 16 ist die Druckluftzuleitung beim Öffnungsvorgang des Kegelverschlusses und 17 ist die Druckluftzuleitung beim Schliessvorgang, welche an nicht gezeigter Stelle des Gefäßförderers 1 herausführt. Mit 18 ist die poröse luftdurchlässige Auskleidung des Einlaufkonus bezeichnet. In den Zwischenraum zwischen dem konisch ausgebildeten Einlaufteil 2 und der porösen Auskleidung 18 wird über den Stutzen 19 während des Befüllvorganges Druckluft zugeführt, um das Schüttgut im Einlaufteil aufzulockern. Wie in der Beschreibung dargelegt, erfolgen die Druckluftzuführungen auch für die Pneumatik des Kegelverschlusses impulsartig.In the drawing, 1 denotes the vessel conveyor, which has a conically
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT84100261T ATE22870T1 (en) | 1983-01-27 | 1984-01-12 | CONVEYOR CONVEYOR FOR PNEUMATIC CONVEYING OF BULK MATERIAL FROM A STORAGE SILO. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3302657 | 1983-01-27 | ||
| DE19833302657 DE3302657A1 (en) | 1983-01-27 | 1983-01-27 | VESSEL CONVEYOR FOR THE PNEUMATIC CONVEYING OF SCHUETTGUT FROM A STORAGE SILO |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0117397A1 EP0117397A1 (en) | 1984-09-05 |
| EP0117397B1 EP0117397B1 (en) | 1986-10-15 |
| EP0117397B2 true EP0117397B2 (en) | 1990-02-07 |
Family
ID=6189333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP84100261A Expired - Lifetime EP0117397B2 (en) | 1983-01-27 | 1984-01-12 | Method for filling a vessel conveyor |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0117397B2 (en) |
| AT (1) | ATE22870T1 (en) |
| DE (2) | DE3302657A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3802051B1 (en) * | 2019-07-04 | 2025-01-01 | Helios Gerätebau für Kunststofftechnik GmbH | Modular system for building a treatment unit for granulate |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4008553A1 (en) * | 1990-03-16 | 1991-09-19 | Agrichema Materialflusstechnik | LOADING DEVICE FOR THE LOOSE LOADING OF DUSTY Bulk Goods |
| DE9015587U1 (en) * | 1990-11-14 | 1991-01-31 | Feldbinder & Beckmann oHG, 2090 Winsen | Compressed air inlet check valve |
| DE4410087C2 (en) * | 1994-03-24 | 1997-08-07 | Mann & Hummel Filter | Closure for a conveyor operating in a vacuum |
| US6802685B1 (en) * | 1999-02-23 | 2004-10-12 | Bernd Federhen | Device and method for inwardly transferring bulk material into a pneumatic conveyor line |
| RU2323139C2 (en) * | 2006-04-20 | 2008-04-27 | Закрытое акционерное общество "НОТИС" | Hopper for loose materials |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734782A (en) * | 1956-02-14 | Pneumatic conveyors | ||
| US3776600A (en) * | 1971-06-07 | 1973-12-04 | Thoreson Mc Cosh Inc | Valve for vacuum loader |
| DE2657742A1 (en) * | 1976-12-20 | 1978-06-22 | Mittelmann Gmbh & Co Kg | Transferring bulk goods from one container to another - using air-lock chamber and pressure equalisation procedures to assist transfer operation |
| US4264243A (en) * | 1979-01-04 | 1981-04-28 | Dundee Cement Company | Constant vacuum barge unloading system |
-
1983
- 1983-01-27 DE DE19833302657 patent/DE3302657A1/en not_active Withdrawn
-
1984
- 1984-01-12 DE DE8484100261T patent/DE3460959D1/en not_active Expired
- 1984-01-12 EP EP84100261A patent/EP0117397B2/en not_active Expired - Lifetime
- 1984-01-12 AT AT84100261T patent/ATE22870T1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3802051B1 (en) * | 2019-07-04 | 2025-01-01 | Helios Gerätebau für Kunststofftechnik GmbH | Modular system for building a treatment unit for granulate |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0117397A1 (en) | 1984-09-05 |
| DE3460959D1 (en) | 1986-11-20 |
| EP0117397B1 (en) | 1986-10-15 |
| ATE22870T1 (en) | 1986-11-15 |
| DE3302657A1 (en) | 1984-08-02 |
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