EP2228305A1 - Device for filling containers with dry ice particles - Google Patents

Device for filling containers with dry ice particles Download PDF

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Publication number
EP2228305A1
EP2228305A1 EP09100172A EP09100172A EP2228305A1 EP 2228305 A1 EP2228305 A1 EP 2228305A1 EP 09100172 A EP09100172 A EP 09100172A EP 09100172 A EP09100172 A EP 09100172A EP 2228305 A1 EP2228305 A1 EP 2228305A1
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EP
European Patent Office
Prior art keywords
dry ice
conveyor
ice particles
conveying
pellets
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
EP09100172A
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German (de)
French (fr)
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EP2228305B1 (en
Inventor
Claude Beauge
Hervé Boisaubert
Frank Gockel
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Messer France SAS
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Messer France SAS
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Publication date
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Priority to EP09100172.7A priority Critical patent/EP2228305B1/en
Priority to PL09100172T priority patent/PL2228305T3/en
Priority to ES09100172T priority patent/ES2423941T3/en
Publication of EP2228305A1 publication Critical patent/EP2228305A1/en
Application granted granted Critical
Publication of EP2228305B1 publication Critical patent/EP2228305B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
    • B65B37/08—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by rotary feeders
    • B65B37/10—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by rotary feeders of screw type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/36—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by volumetric devices or methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing

Definitions

  • the invention relates to a device for filling containers withniceisteilchen.
  • Dry ice particles in the form of snow, pellets, nuggets, broken glass or slices are produced by scraping larger dry ice blocks or by pressing dry ice snow.
  • a device for producing dry ice pellets for example, in the US Pat. No. 5,845,516 described. After their production, thenickelchen are often stored in open containers and filled by hand into smaller containers.
  • the containers used for the permanent storage of dry ice particles are generally thermally well insulated and can be closed in such a way that no ambient air can penetrate into the container, these containers must also be opened for filling.
  • the dry ice particles come into contact with atmospheric moisture, which can lead to water ice formation and thus to the sticking together of the dry ice particles.
  • the invention is therefore based on the object to provide a device for fillingdianeisteilchen in containers, in which the risk of sticking theniceisteilchen is reduced.
  • This object is achieved with a device for filling containers with dry ice particles in that the device is provided with a device for producing dry ice particles, a substantially airtight connected with this closed conveyor and a subsequent to the conveyor, substantially air light with this associated metering device is equipped for metering a predetermined amount ofniceisteilchen in the container.
  • substantially airtight should in principle not be understood as a hermetically sealed gas seal, which is of course not excluded in the context of the invention.
  • the term “substantially airtight” should rather be understood quite generally as an arrangement in which the Ingress of ambient air is at least largely prevented.
  • a conveying screw or transport spiral arranged in a transport hose is used as conveying device.
  • the conveyor thus comprises a helical spiral conveyor, wherein the transport spiral can be designed, for example, as a round spiral, flat spiral, carree spiral, multiflux spiral or brush spiral.
  • Such a conveyor allows overcoming both horizontal and vertical distances between the location of manufacture of the dry ice particles and the location of their filling. This makes it possible to arrange the metering device above the container to be filled, whereby the filling of particularly large or bulky container is considerably simplified.
  • the conveyor comprises a flexible transport hose in which an equally flexible conveyor screw is arranged.
  • flexible transport systems can be found for example in the EP 0051550 A1 or EP 0462912A1 ,
  • the metering device has a substantially air-tight separable and thermally insulated storage area.
  • the dry ice particles transported to the metering device can be temporarily stored over a period of, for example, up to 12 to 24 hours, independently of the operation of the device for producing the dry ice particles or the conveyor, and filled into smaller containers.
  • the filling of individual containers can take place without the need for the device for generating thezeleisteilchen and / or the Conveyor must be put into operation or switched off.
  • a likewise advantageous embodiment of the invention is characterized by a control and control system, which coordinates the device for producing dry ice particles, the conveyor and the metering device in dependence on input parameters. In this way, thenickelteilchen be prepared as needed and fed to the metering device.
  • FIG. 1 schematically shows a device according to the invention for filling containers withniceisteilchen.
  • the device 1 is used to fill containers 2, for example, sacks, "big bags", crates, mobile containers or other containers withniceisteichen in the form of pellets, nuggets, broken glass or snow.
  • the dry ice particles are produced in a conventional device.
  • this is a pelletizer 3 for producing dry ice particles in the form of pellets, ie cylindrical particles with a diameter of about 3 mm and a length between 5 mm and 30 mm.
  • the dry ice pellets are produced, for example, by introducing liquid carbon dioxide under pressure and depressurizing them to form carbon dioxide gas and carbon dioxide snow.
  • the carbon dioxide snow is pressed and pressed through a perforated disc in which there are a plurality of openings whose diameter corresponds approximately to the diameter of the pellets to be produced.
  • the emerging from the openings of the perforated disc rod-shaped ice breaks off automatically or is interrupted from time to time, thus forming pellets of the order of magnitude.
  • the pellets are ejected at the product outlet 4 of the pelletizer 3 and pass into a storage hopper 6.
  • the storage hopper 6 and the connection to the Product outlet 4 of the pelletizer 3 are provided with a shield 7, by which the funnel is substantially airtight shielded from the surrounding atmosphere.
  • the storage hopper 6 is thermally insulated, nevertheless, the pellets stored in the hopper 6 heat up over time, whereby carbon dioxide from the surface of the pellets sublimated. As a result, a carbon dioxide-rich atmosphere forms within the shield 7, the gas pressure of which eventually exceeds the gas pressure of the ambient air and thus prevents the ingress of ambient air through openings possibly present in the shield 7.
  • the shield 7 does not have to be hermetically gas-tight, it is sufficient that the penetration of ambient air through any existing openings in the manner mentioned is at least largely prevented.
  • the conveyor 10 is preferably a screw or spiral conveyor, in which a propulsion member 11 in the form of an elongated screw or spiral in a tubular conveying line 12 is received.
  • the propulsion member 11 is rotated in rotational movements about its longitudinal axis, whereby the pellets are propelled in the conveying line 12 in the direction of an outlet opening 14 of the conveyor 10.
  • the pellets can be conveyed over a horizontal and / or vertical distance of 5 m and above.
  • the storage container 17 is, for example placed on a rack above the container 2 to be filled and is thermally insulated so that pellets can be stored for a certain period of time, for example a few hours, for example overnight, without substantial loss of carbon dioxide by sublimation.
  • a closure member 18 the pellets are dispensed metered to the arranged below the metering device 16 of the storage container 17 container 2, which is for this purpose substantially airtight, but releasably connected to the metering device 16.
  • the metering device 16 may further have drainage aids, not shown here, for example a stirring shaft inside the metering device 16, which prevents the pellets from becoming wedged by stable slow rotation, and / or vibrators on the outside of the storage container 17, which also wedging the pellets should be prevented.
  • the connection between the dosing unit 16 and the conveyor 10 is also equipped with a cover 19, which should suppress the penetration of ambient air and thus moisture as much as possible.
  • the propulsion element 11 and the delivery line 12 are made of a flexible material to allow a promotion of the pellets along a curved path.
  • the location of the metering device 16 can be changed, without necessarily always the same time also the installation of the pelletizer 3 must be changed.
  • control unit 20 By means of a control unit 20, the functions of the device 1 can be fully automatically monitored and controlled.
  • the control unit 20 regulates the production of the pellets in the pelletizer 3, the opening state of the locks 8, 18 and the propulsion speed of the propulsion element 11 in the conveyor 10.
  • the pellets produced in the pelletizer 3 are passed through the conveyor 10 in the metering device 16 and metered from this dispensed to the container 2 to be filled. Due to the storage of the continuously produced pellets in the storage container 17, several containers 2 can be successively filled even if the pellets are continuously produced, without the production process having to be stopped for this purpose.
  • the device 1 has a modular structure, ie it consists of parts to be connected independently to one another and can therefore easily be taken up and dismantled at one location.
  • the pellets are surrounded by a carbon dioxide-rich atmosphere. The penetration of ambient air and the moisture contained therein is so largely prevented. As a result, the filled pellets present in the container 2 tend much less to stick together than is the case with prior art pellets.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)

Abstract

The device (1) has a producing unit (3) for producing dry ice particles. A conveying unit (10) is connected with the producing unit in an air-tight manner. A metering unit (16) is air-tightly connected with the conveying device and meters a predetermined amount of the dry ice particles in a movable container (2). A flexible conveyer screw or conveyer hopper is utilized as the conveying unit arranged in a conveying hose (12). The metering unit includes a thermally isolated storage region (17), and a control system (20) controls the producing and conveying units based on input parameters.

Description

Die Erfindung betrifft eine Vorrichtung zum Befüllen von Gebinden mit Trockeneisteilchen.The invention relates to a device for filling containers with Trockeneisteilchen.

Trockeneisteilchen in Form von Schnee, Pellets, Nuggets, Scherben oder Scheiben werden durch Abschaben von größeren Trockeneisblöcken oder durch Verpressen von Trockeneisschnee hergestellt. Eine Vorrichtung zur Erzeugung von Trockeneispellets wird beispielsweise in der US 5 845 516 A beschrieben. Nach ihrer Herstellung werden die Trockeneisteilchen häufig in offenen Gefäßen zwischengelagert und von Hand in kleinere Gebinde abgefüllt. Die zur dauerhaften Lagerung von Trockeneisteilchen eingesetzten Gebinde sind zwar in der Regel thermisch gut isoliert und derart verschließbar, dass keine Umgebungsluft in den Behälter eindringen kann, jedoch müssen auch diese Behälter zum Befüllen geöffnet werden. Dabei kommen die Trockeneisteilchen mit Luftfeuchtigkeit in Kontakt, was zur Wassereisbildung und damit zum Verkleben der Trockeneisteilchen miteinander führen kann.Dry ice particles in the form of snow, pellets, nuggets, broken glass or slices are produced by scraping larger dry ice blocks or by pressing dry ice snow. A device for producing dry ice pellets, for example, in the US Pat. No. 5,845,516 described. After their production, the Trockeneisteilchen are often stored in open containers and filled by hand into smaller containers. Although the containers used for the permanent storage of dry ice particles are generally thermally well insulated and can be closed in such a way that no ambient air can penetrate into the container, these containers must also be opened for filling. The dry ice particles come into contact with atmospheric moisture, which can lead to water ice formation and thus to the sticking together of the dry ice particles.

Der Erfindung liegt somit die Aufgabe zu Grunde, eine Vorrichtung zum Abfüllen von Trockeneisteilchen in Gebinde zu schaffen, bei der die Gefahr des Verklebens der Trockeneisteilchen vermindert ist.The invention is therefore based on the object to provide a device for filling Trockeneisteilchen in containers, in which the risk of sticking the Trockeneisteilchen is reduced.

Gelöst ist diese Aufgabe bei einer Vorrichtung zum Befüllen von Gebinden mit Trockeneisteilchen dadurch, dass die Vorrichtung mit einer Einrichtung zum Erzeugen von Trockeneisteilchen, einer im Wesentlichen luftdicht mit dieser verbundenen geschlossenen Fördereinrichtung und einer sich an die Fördereinrichtung anschließenden, im Wesentlichen luftlicht mit dieser verbundenen Dosiereinrichtung zum Dosieren einer vorbestimmten Menge von Trockeneisteilchen in das Gebinde ausgerüstet ist.This object is achieved with a device for filling containers with dry ice particles in that the device is provided with a device for producing dry ice particles, a substantially airtight connected with this closed conveyor and a subsequent to the conveyor, substantially air light with this associated metering device is equipped for metering a predetermined amount of Trockeneisteilchen in the container.

Der Ausdruck "im Wesentlichen luftdicht" soll hier grundsätzlich keineswegs als ein hermetisch dichter Gasabschluss verstanden werden, der freilich im Rahmen der Erfindung nicht ausgeschlossen ist. Der Ausdruck "im Wesentlichen luftdicht" soll hier vielmehr ganz allgemein als eine Anordnung verstanden werden, bei der das Eindringen von Umgebungsluft zumindest weitgehend unterbunden wird. Dies kann im Rahmen der Erfindung etwa durch geeignete, zumindest nahezu gasdichte Dichtelemente zwischen den Teilen der erfindungsgemäßen Vorrichtung verwirklicht werden, aber insbesondere auch dadurch, dass sich aufgrund der Sublimation eines Teils des Trockeneises im Innern der Anordnung eine Atmosphäre ausbildet, deren Gasdruck um ein Geringfügiges höher als der Umgebungsdruck ist und während des Betriebs der Vorrichtung auf diesem Überdruck gehalten wird, und die demzufolge an etwaigen Öffnungen oder Leckagen der Anordnung einen nach außen gerichteten Gasstrom erzeugt, der das Eindringen von Außenluft wirksam verhindert.The term "substantially airtight" should in principle not be understood as a hermetically sealed gas seal, which is of course not excluded in the context of the invention. The term "substantially airtight" should rather be understood quite generally as an arrangement in which the Ingress of ambient air is at least largely prevented. This can be realized in the context of the invention, for example, by suitable, at least nearly gas-tight sealing elements between the parts of the device according to the invention, but in particular also by the fact that forms an atmosphere due to the sublimation of a portion of the dry ice in the interior of the arrangement, their gas pressure to a slight is higher than the ambient pressure and maintained during operation of the device at this overpressure, and thus generates an outward gas flow at any openings or leaks of the device, which effectively prevents the ingress of outside air.

In einer bevorzugten Ausgestaltung der Erfindung kommt als Fördereinrichtung eine in einem Transportschlauch angeordnete Transportschnecke oder Transportspirale zum Einsatz. Die Fördereinrichtung umfasst damit einen Schnecken- Spiralförderer, wobei die Transportspirale beispielsweise als Rundspirale, Flachspirale, Carreespirale, Multifluxspirale oder Bürstenspirale ausgebildet sein kann. Eine solche Fördereinrichtung ermöglicht die Überwindung sowohl horizontaler als auch vertikaler Abstände zwischen dem Ort der Herstellung der Trockeneisteilchen und dem Ort ihrer Abfüllung. Dadurch ist es möglich, die Dosiereinrichtung oberhalb der zu füllenden Gebinde anzuordnen, wodurch das Befüllen insbesondere großer oder sperriger Gebinde erheblich vereinfacht wird.In a preferred embodiment of the invention, a conveying screw or transport spiral arranged in a transport hose is used as conveying device. The conveyor thus comprises a helical spiral conveyor, wherein the transport spiral can be designed, for example, as a round spiral, flat spiral, carree spiral, multiflux spiral or brush spiral. Such a conveyor allows overcoming both horizontal and vertical distances between the location of manufacture of the dry ice particles and the location of their filling. This makes it possible to arrange the metering device above the container to be filled, whereby the filling of particularly large or bulky container is considerably simplified.

Vorteilhafterweise umfasst die Fördereinrichtung einen flexiblen Transportschlauch, in dem eine gleichfalls flexible Förderschnecke angeordnet ist. Beispiele für derartige flexible Transportsysteme finden sich beispielsweise in der EP 0051550 A1 oder EP 0462912A1 .Advantageously, the conveyor comprises a flexible transport hose in which an equally flexible conveyor screw is arranged. Examples of such flexible transport systems can be found for example in the EP 0051550 A1 or EP 0462912A1 ,

Eine vorteilhafte Weiterbildung der Erfindung sieht vor, dass die Dosiereinrichtung einen im Wesentlichen luftdicht abtrennbaren und thermisch isolierten Lagerbereich aufweist. Dadurch können die zur Dosiereinrichtung transportierten Trockeneisteilchen unabhängig vom Betrieb der Einrichtung zur Erzeugung der Trockeneisteilchen oder der Fördereinrichtung über einen Zeitraum von beispielsweise bis zu 12 bis 24 Stunden zwischengelagert werden und in kleinere Gebinde abgefüllt werden. Die Abfüllung einzelner Gebinde kann so erfolgen, ohne dass hierzu die Einrichtung zum Erzeugen der Trockeneisteilchen und/oder die Fördereinrichtung in Betrieb genommen oder abgeschaltet werden muss. Es ist im Rahmen der Erfindung auch denkbar, zusätzlich oder alternativ zum Lagerbereich im Umfeld der Dosiereinrichtung, vor der Fördereinrichtung einen weiteren thermisch isolierten und im Wesentlichen luftdicht abgeschlossenen Lagerbereich vorzusehen, aus dem die Trockeneisteilchen bei Bedarf der Dosiereinrichtung zugeführt werden können.An advantageous development of the invention provides that the metering device has a substantially air-tight separable and thermally insulated storage area. As a result, the dry ice particles transported to the metering device can be temporarily stored over a period of, for example, up to 12 to 24 hours, independently of the operation of the device for producing the dry ice particles or the conveyor, and filled into smaller containers. The filling of individual containers can take place without the need for the device for generating the Trockeneisteilchen and / or the Conveyor must be put into operation or switched off. It is also conceivable within the scope of the invention, in addition or as an alternative to the storage area in the vicinity of the metering device, to provide a further thermally insulated and substantially hermetically sealed storage area from which the dry ice particles can be supplied to the metering device as required.

Eine ebenfalls vorteilhafte Ausgestaltung der Erfindung ist gekennzeichnet durch ein Kontroll- und Steuersystem, das die Einrichtung zum Erzeugen von Trockeneisteilchen, die Fördereinrichtung und die Dosiereinrichtung in Abhängigkeit von eingegebenen Parametern koordiniert. Auf diese Weise werden die Trockeneisteilchen bedarfsgerecht hergestellt und der Dosiereinrichtung zugeführt.A likewise advantageous embodiment of the invention is characterized by a control and control system, which coordinates the device for producing dry ice particles, the conveyor and the metering device in dependence on input parameters. In this way, the Trockeneisteilchen be prepared as needed and fed to the metering device.

Anhand der Zeichnung soll ein Ausführungsbeispiel der Erfindung näher erläutert werden. Die einzige Zeichnung (Fig. 1) zeigt schematisch eine erfindungsgemäße Vorrichtung zum Befüllen von Gebinden mit Trockeneisteilchen.Reference to the drawings, an embodiment of the invention will be explained in more detail. The only drawing ( Fig. 1 ) schematically shows a device according to the invention for filling containers with Trockeneisteilchen.

Die Vorrichtung 1 dient zum Befüllen von Gebinden 2, beispielsweise Säcken, "Bigbags", Kisten, fahrbaren Containern oder sonstigen Behältern mit Trockeneisteichen in Form von Pellets, Nuggets, Scherben oder Schnee. Die Trockeneisteilchen werden in einer dafür üblichen Einrichtung erzeugt. Im Ausführungsbeispiel handelt es sich dabei um einen Pelletierer 3 zum Erzeugen von Trockeneisteilchen in Form von Pellets, also zylindrischen Partikeln mit einem Durchmesser von ca. 3 mm und einer Länge zwischen 5 mm und 30 mm. Im Pelletierer 3 werden die Trockeneispellets beispielsweise dadurch erzeugt, dass flüssiges Kohlendioxid unter Druck herangeführt wird und unter Entstehung von Kohlendioxidgas und Kohlendioxidschnee entspannt wird. In hier nicht gezeigter Weise wird der Kohlendioxidschnee verpresst und durch eine Lochscheibe gedrückt, in der sich eine Vielzahl von Öffnungen befinden, deren Durchmesser ungefähr dem Durchmesser der zu erzeugenden Pellets entspricht. Das aus den Öffnungen der Lochscheibe hervordringende stäbchenförmige Eis bricht selbsttätig ab bzw. wird von Zeit zu Zeit abgebrochen und bildet so Pellets der genannten Größenordnung aus. Die Pellets werden am Produktausgang 4 des Pelletierers 3 ausgestoßen und gelangen in einen Vorratstrichter 6. Der Vorratstrichter 6 und die Verbindung zum Produktausgang 4 des Pelletierers 3 sind mit einer Abschirmung 7 versehen, durch die der Trichter im Wesentlichen luftdicht von der umgebenden Atmosphäre abgeschirmt wird. Zwar ist der Vorratstrichter 6 thermisch isoliert, dennoch erwärmen sich die im Vorratstrichter 6 bevorrateten Pellets im Laufe der Zeit, wodurch Kohlendioxid von der Oberfläche der Pellets sublimiert. Dadurch bildet sich innerhalb der Abschirmung 7 eine kohlendioxidreiche Atmosphäre aus, deren Gasdruck schließlich den Gasdruck der Umgebungsluft übersteigt und auf diese Weise das Eindringen von Umgebungsluft durch möglicherweise in der Abschirmung 7 vorhandene Öffnungen verhindert. Die Abschirmung 7 muss also nicht hermetisch gasdicht ausgebildet sein, es genügt, dass das Eindringen von Umgebungsluft durch etwaig vorhandene Öffnungen auf die genannte Weise zumindest weitgehend verhindert wird.The device 1 is used to fill containers 2, for example, sacks, "big bags", crates, mobile containers or other containers with Trockeneisteichen in the form of pellets, nuggets, broken glass or snow. The dry ice particles are produced in a conventional device. In the exemplary embodiment, this is a pelletizer 3 for producing dry ice particles in the form of pellets, ie cylindrical particles with a diameter of about 3 mm and a length between 5 mm and 30 mm. In the pelletizer 3, the dry ice pellets are produced, for example, by introducing liquid carbon dioxide under pressure and depressurizing them to form carbon dioxide gas and carbon dioxide snow. In not shown here, the carbon dioxide snow is pressed and pressed through a perforated disc in which there are a plurality of openings whose diameter corresponds approximately to the diameter of the pellets to be produced. The emerging from the openings of the perforated disc rod-shaped ice breaks off automatically or is interrupted from time to time, thus forming pellets of the order of magnitude. The pellets are ejected at the product outlet 4 of the pelletizer 3 and pass into a storage hopper 6. The storage hopper 6 and the connection to the Product outlet 4 of the pelletizer 3 are provided with a shield 7, by which the funnel is substantially airtight shielded from the surrounding atmosphere. Although the storage hopper 6 is thermally insulated, nevertheless, the pellets stored in the hopper 6 heat up over time, whereby carbon dioxide from the surface of the pellets sublimated. As a result, a carbon dioxide-rich atmosphere forms within the shield 7, the gas pressure of which eventually exceeds the gas pressure of the ambient air and thus prevents the ingress of ambient air through openings possibly present in the shield 7. The shield 7 does not have to be hermetically gas-tight, it is sufficient that the penetration of ambient air through any existing openings in the manner mentioned is at least largely prevented.

Vom Vorratstrichter 6 gelangen die Pellets über ein geeignetes Dosier- und Verschlussorgan 8 in die Eintrittsöffnung 9 einer Fördereinrichtung 10. Bei der Fördereinrichtung 10 handelt es sich bevorzugt um einen Schnecken- oder Spiralförderer, bei dem ein Vortriebsorgan 11 in Form einer langgestreckten Schnecke oder Spirale in einer schlauchförmigen Förderleitung 12 aufgenommen ist. Mittels eines Motors 13 wird das Vortriebsorgan 11 in Drehbewegungen um seine Längsachse versetzt, wodurch die Pellets in der Förderleitung 12 in Richtung auf eine Austrittsöffnung 14 der Fördereinrichtung 10 vorgetrieben werden. Mit einer Fördereinrichtung 10 können die Pellets über eine horizontale und/oder vertikale Distanz von 5 m und darüber gefördert werden. Es ist im Rahmen der Erfindung auch möglich, mehrerer Fördereinrichtungen 10 hintereinanderzuschalten, um auf diese Weise größere Förderlängen und/oder größere Förderhöhen zu erzielen. In diesem Fall muss jedoch darauf geachtet werden, dass auch zwischen zwei aufeinander folgenden Förderanlagen Maßnahmen vorgesehen sind, mit denen das Eindringen von Umgebungsluft verhindert werden soll. Dies kann beispielsweise mit geeigneten Abdeckungen zwischen den jeweiligen Austrittsöffnungen der vorhergehenden und den jeweiligen Eintrittsöffnungen der folgenden Fördereinrichtung geschehen.From the storage hopper 6, the pellets pass through a suitable metering and closing member 8 in the inlet opening 9 of a conveyor 10. The conveyor 10 is preferably a screw or spiral conveyor, in which a propulsion member 11 in the form of an elongated screw or spiral in a tubular conveying line 12 is received. By means of a motor 13, the propulsion member 11 is rotated in rotational movements about its longitudinal axis, whereby the pellets are propelled in the conveying line 12 in the direction of an outlet opening 14 of the conveyor 10. With a conveyor 10, the pellets can be conveyed over a horizontal and / or vertical distance of 5 m and above. It is also possible within the scope of the invention to connect a plurality of conveyors 10 one behind the other, in order to achieve larger delivery lengths and / or larger delivery heights in this way. In this case, however, care must be taken that measures are also provided between two successive conveyor systems with which the ingress of ambient air is to be prevented. This can for example be done with suitable covers between the respective outlet openings of the preceding and the respective inlet openings of the following conveyor.

Von der Austrittsöffnung 14 der Fördereinrichtung 10 gelangen die Pellets in einen Lagerbehälter 17 mit Dosiereinrichtung 16. Der Lagerbehälter 17 ist beispielsweise auf einem Gestell oberhalb des zu befüllenden Gebindes 2 angeordnet und ist derart thermisch isoliert, dass Pellets über einen gewissen Zeitraum, etwa einige Stunden, beispielsweise über Nacht, bevorratet werden können, ohne dass ein wesentlicher Verlust an Kohlendioxid durch Sublimation stattfindet. Über ein Verschlussorgan 18 werden die Pellets dosiert an das unterhalb der Dosiereinrichtung 16 des Lagerbehälters 17 angeordnete Gebinde 2 abgegeben, das dazu im Wesentlichen luftdicht, jedoch lösbar, mit der Dosiereinrichtung 16 verbunden wird. Die Dosiereinrichtung 16 kann weiterhin hier nicht gezeigte Entleerungshilfen haben, beispielsweise eine Rührwelle im Innern der Dosiereinrichtung 16, die durch beständiges langsames Drehen ein Verkeilen der Pellets bei der Abfüllung verhindert, und/oder Vibratoren an der Außenseite des Lagerbehälters 17, durch die ebenfalls ein Verkeilen der Pellets verhindert werden sollen. Die Verbindung zwischen der Dosiereinheit 16 und der Fördereinrichtung 10 ist ebenfalls mit einer Abdeckung 19 ausgerüstet, die das Eindringen von Umgebungsluft und damit von Feuchtigkeit so weit wie möglich unterdrücken soll.From the outlet opening 14 of the conveyor 10, the pellets enter a storage container 17 with metering device 16. The storage container 17 is, for example placed on a rack above the container 2 to be filled and is thermally insulated so that pellets can be stored for a certain period of time, for example a few hours, for example overnight, without substantial loss of carbon dioxide by sublimation. About a closure member 18, the pellets are dispensed metered to the arranged below the metering device 16 of the storage container 17 container 2, which is for this purpose substantially airtight, but releasably connected to the metering device 16. The metering device 16 may further have drainage aids, not shown here, for example a stirring shaft inside the metering device 16, which prevents the pellets from becoming wedged by stable slow rotation, and / or vibrators on the outside of the storage container 17, which also wedging the pellets should be prevented. The connection between the dosing unit 16 and the conveyor 10 is also equipped with a cover 19, which should suppress the penetration of ambient air and thus moisture as much as possible.

Bevorzugt sind das Vortriebsorgan 11 und die Förderleitung 12 aus einem flexiblen Material gefertigt, um eine Förderung der Pellets entlang einer kurvenförmigen Strecke zu ermöglichen. Dadurch kann der Standort der Dosiereinrichtung 16 verändert werden werden, ohne dass notwendigerweise immer zugleich auch der Aufstellort des Pelletierers 3 geändert werden muss.Preferably, the propulsion element 11 and the delivery line 12 are made of a flexible material to allow a promotion of the pellets along a curved path. Thereby, the location of the metering device 16 can be changed, without necessarily always the same time also the installation of the pelletizer 3 must be changed.

Mittels einer Steuereinheit 20 können die Funktionen der Vorrichtung 1 vollautomatisch überwacht und angesteuert werden. Die Steuereinheit 20 regelt die Produktion der Pellets im Pelletierer 3, den Öffnungszustand der Schleusen 8, 18 sowie die Vortriebsgeschwindigkeit des Vortriebsorgans11 in der Fördereinrichtung 10.By means of a control unit 20, the functions of the device 1 can be fully automatically monitored and controlled. The control unit 20 regulates the production of the pellets in the pelletizer 3, the opening state of the locks 8, 18 and the propulsion speed of the propulsion element 11 in the conveyor 10.

Beim Betrieb der Vorrichtung 1 werden die im Pelletierer 3 erzeugten Pellets über die Fördereinrichtung 10 in die Dosiereinrichtung 16 geleitet und von dieser dosiert an die zu befüllenden Gebinde 2 abgegeben. Aufgrund der Lagerung der laufend erzeugten Pellets im Lagerbehälter 17 können auch bei kontinuierlicher Produktion der Pellets nacheinander mehrere Gebinde 2 nacheinander befüllt werden, ohne dass hierzu der Produktionsprozess angehalten werden müsste.During operation of the device 1, the pellets produced in the pelletizer 3 are passed through the conveyor 10 in the metering device 16 and metered from this dispensed to the container 2 to be filled. Due to the storage of the continuously produced pellets in the storage container 17, several containers 2 can be successively filled even if the pellets are continuously produced, without the production process having to be stopped for this purpose.

Die Vorrichtung 1 ist modular aufgebaut, d.h. sie besteht aus unabhängig miteinander zu verbindenden Teilen und kann daher leicht an einem Standort auf- und wieder abgebaut werden. Im gesamten Transportweg zwischen Pelletierer 3 und der Dosiereinrichtung 16 bzw. dem Gebinde 2 sind die Pellets dabei von einer kohlendioxidreichen Atmosphäre umgeben. Das Eindringen von Umgebungsluft und der darin enthaltenen Feuchtigkeit wird so weitgehend unterbunden. Dadurch neigen die in dem Gebinde 2 vorliegenden, abgefüllten Pellets weitaus weniger dazu miteinander zu verkleben, als dies bei Pellets nach dem Stande der Technik der Fall ist.The device 1 has a modular structure, ie it consists of parts to be connected independently to one another and can therefore easily be taken up and dismantled at one location. In the entire transport path between the pelletizer 3 and the metering device 16 and the container 2, the pellets are surrounded by a carbon dioxide-rich atmosphere. The penetration of ambient air and the moisture contained therein is so largely prevented. As a result, the filled pellets present in the container 2 tend much less to stick together than is the case with prior art pellets.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1.1.
Vorrichtungcontraption
2.Second
Gebindecontainer
3.Third
Pelletiererpelletizer
4.4th
Produktausgangproduct output
5.5th
--
6.6th
Vorratstrichterhopper
7.7th
Abschirmungshielding
8.8th.
Verschluss- und DosierelementClosing and dosing element
9.9th
Eintrittsöffnunginlet opening
10.10th
FördereinrichtungConveyor
11.11th
Vortriebsorganpropulsion organ
12.12th
Förderleitungdelivery line
13.13th
Motorengine
14.14th
Austrittsöffnungoutlet opening
15.15th
--
16.16th
Dosiereinrichtungmetering
17.17th
Lagerbehälterstorage containers
18.18th
Verschluss- und DosierelementClosing and dosing element
19.19th
Abdeckungcover
20.20th
Steuereinheitcontrol unit

Claims (5)

Vorrichtung zum Befüllen von Gebinden (2) mit Trockeneisteilchen, mit einer Einrichtung (3) zum Erzeugen von Trockeneisteilchen, einer im Wesentlichen luftdicht mit dieser verbundenen Fördereinrichtung (10) und einer sich an die Fördereinrichtung (10) anschließenden, im Wesentlichen luftlicht mit dieser verbundenen Dosiereinrichtung (16) zum Dosieren einer vorbestimmten Menge von Trockeneisteilchen in das Gebinde (2).Device for filling containers (2) with dry ice particles, with a device (3) for producing dry ice particles, a conveying device (10) substantially airtight connected thereto, and a substantially air light connected to the conveyor (10) Dosing device (16) for dosing a predetermined amount of Trockeneisteilchen in the container (2). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass als Fördereinrichtung (10) ein in einem Transportschlauch (12) angeordnete Transportschnecke oder Transportspirale zum Einsatz kommt.Apparatus according to claim 1, characterized in that as conveying means (10) in a transport hose (12) arranged transport screw or transport spiral is used. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Fördereinrichtung (10) einen flexiblen Transportschlauch(12) umfasst, in dem eine gleichfalls flexible Förderschnecke (11) angeordnet ist.Apparatus according to claim 2, characterized in that the conveyor (10) comprises a flexible transport hose (12) in which an equally flexible conveyor screw (11) is arranged. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dosiereinrichtung (16) einen im wesentlichen luftdicht abtrennbaren und thermisch isolierten Lagerbereich (17) aufweist.Device according to one of the preceding claims, characterized in that the metering device (16) has a substantially airtight separable and thermally insulated storage area (17). Vorrichtung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch ein Kontroll- und Steuersystem (20), dass die Einrichtung (3) zum Erzeugen von Trockeneisteilchen, die Fördereinrichtung (10) und die Dosiereinrichtung (16) in Abhängigkeit von eingegebenen Parametern steuert.Device according to one of the preceding claims, characterized by a control and control system (20) that controls the means (3) for generating dry ice particles, the conveyor (10) and the metering device (16) in dependence on input parameters.
EP09100172.7A 2009-03-10 2009-03-10 Method for filling containers with dry ice particles Not-in-force EP2228305B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09100172.7A EP2228305B1 (en) 2009-03-10 2009-03-10 Method for filling containers with dry ice particles
PL09100172T PL2228305T3 (en) 2009-03-10 2009-03-10 Method for filling containers with dry ice particles
ES09100172T ES2423941T3 (en) 2009-03-10 2009-03-10 Procedure for filling containers with dry ice particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09100172.7A EP2228305B1 (en) 2009-03-10 2009-03-10 Method for filling containers with dry ice particles

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EP2228305A1 true EP2228305A1 (en) 2010-09-15
EP2228305B1 EP2228305B1 (en) 2013-05-15

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CN110963092B (en) * 2019-12-13 2021-09-24 广东恒诚制药股份有限公司 Preparation process of cold heat-clearing granules with heat-clearing and exterior-syndrome-relieving functions

Citations (8)

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Publication number Priority date Publication date Assignee Title
EP0051550A1 (en) 1980-10-31 1982-05-12 TRANSITUBE PROJET Société anonyme dite: Device for conveying granular solid materials
EP0462912A1 (en) 1990-06-20 1991-12-27 Transitube Projet (Societe Anonyme) Elevator for granulate materials
DE4403607A1 (en) * 1994-02-05 1995-08-10 Altamat Gmbh Measured supply system sending shredded paper to bag packing machine
US5503198A (en) * 1994-10-14 1996-04-02 Becker; James R. Method and apparatus for filling containers with dry ice pellets
US5761888A (en) * 1996-09-19 1998-06-09 Carbonic Industries Corporation Method and apparatus for conveying dry ice
US5845516A (en) 1997-01-30 1998-12-08 Carbonic Reserves Dry ice pelletizer and method for production
US6474048B1 (en) * 2000-10-19 2002-11-05 The Arctic Group, Inc. Automatic ice producing, bagging, and dispensing machine
US20050103398A1 (en) * 2003-11-19 2005-05-19 Ice House America Llc Automated ice bagging apparatus and methods

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051550A1 (en) 1980-10-31 1982-05-12 TRANSITUBE PROJET Société anonyme dite: Device for conveying granular solid materials
EP0462912A1 (en) 1990-06-20 1991-12-27 Transitube Projet (Societe Anonyme) Elevator for granulate materials
DE4403607A1 (en) * 1994-02-05 1995-08-10 Altamat Gmbh Measured supply system sending shredded paper to bag packing machine
US5503198A (en) * 1994-10-14 1996-04-02 Becker; James R. Method and apparatus for filling containers with dry ice pellets
US5761888A (en) * 1996-09-19 1998-06-09 Carbonic Industries Corporation Method and apparatus for conveying dry ice
US5845516A (en) 1997-01-30 1998-12-08 Carbonic Reserves Dry ice pelletizer and method for production
US6474048B1 (en) * 2000-10-19 2002-11-05 The Arctic Group, Inc. Automatic ice producing, bagging, and dispensing machine
US20050103398A1 (en) * 2003-11-19 2005-05-19 Ice House America Llc Automated ice bagging apparatus and methods

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PL2228305T3 (en) 2013-10-31
EP2228305B1 (en) 2013-05-15

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