EP2271869B1 - Gas accumulator - Google Patents

Gas accumulator Download PDF

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Publication number
EP2271869B1
EP2271869B1 EP09737523A EP09737523A EP2271869B1 EP 2271869 B1 EP2271869 B1 EP 2271869B1 EP 09737523 A EP09737523 A EP 09737523A EP 09737523 A EP09737523 A EP 09737523A EP 2271869 B1 EP2271869 B1 EP 2271869B1
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EP
European Patent Office
Prior art keywords
membrane
gas reservoir
flap
gas
outer membrane
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Revoked
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EP09737523A
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German (de)
French (fr)
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EP2271869A1 (en
Inventor
Peter Verwanger
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Sattler AG
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Sattler AG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0128—Shape spherical or elliptical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0176—Shape variable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0619—Single wall with two layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground

Definitions

  • the tab can also be designed as a material strip, which is welded in the connection area on the outside of the gas storage bag.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Bag Frames (AREA)

Abstract

A gas accumulator (10) with an inner gas accumulator bag (29) which forms a gas accumulator space (12) which can be filled with gas, and with an outer membrane (1) which surrounds the gas accumulator bag (29) in some regions, wherein the gas accumulator bag (29) and the outer membrane (1) are fixed in relation to a base surface (4), wherein the outer side of the gas accumulator bag (29) has at least one tab (20, 20', 20'', 20''', 20'''', 20''''') which is at least partially clamped together with an edge region of the outer membrane (1), and wherein the combined clamping is fixed in relation to the base surface (4)

Description

Die Erfindung betrifft einen Gasspeicher mit einem inneren Gasspeicher-Sack, der einen mit Gas befüllbaren Gasspeicherraum ausbildet, und einer den Gasspeicher-Sack bereichsweise umgebenden Außenmembran, wobei der Gasspeicher-Sack und die Außenmembran gegenüber einer Bodenfläche festgelegt sind, wobei der innere Gasspeicher-Sack an seiner Außenseite zumindest eine Lasche aufweist, und wobei zwischen dem Gasspeicher-Sack und der Außenmembran ein Stützgasraum ausgebildet ist.The invention relates to a gas storage with an inner gas storage bag, which forms a gas-filled gas storage space, and a gas storage bag partially surrounding outer membrane, wherein the gas storage bag and the outer membrane are fixed to a bottom surface, wherein the inner gas storage bag has on its outer side at least one tab, and wherein between the gas storage bag and the outer membrane, a support gas space is formed.

Bei Gasspeichern dieser Art liegen der innere Gasspeicher-Sack und die Außenmembran in Form von sack- bzw. ballonartigen Gebilden vor, die aus miteinander verbundenen Kunststoffbahnen gefertigt sind. Als Schutz vor äußeren Einwirkungen hüllt die Außenmembran den inneren Gasspeicher-Sack mit Ausnahme der Bodenseite ein und wird während des Betriebes durch ein zwischen diesen eingeleitetes Stützgas unabhängig vom Füllstand der Innenmembran ständig in Form gehalten.In gas stores of this type, the inner gas storage bag and the outer membrane are in the form of bag or balloon-like structures, which are made of interconnected plastic sheets. As protection against external influences, the outer membrane envelops the inner gas storage bag with the exception of the bottom side and is kept constantly in shape regardless of the fill level of the inner membrane during operation by a support gas introduced between them.

Eine Ausführung des eigentlichen Gasspeicherraumes als bereits bei der Herstellung abgedichteten Gasspeicher-Sack hat sich als vorteilhaft herausgestellt. Es kann der fertiggestellte Gasspeicher-Sack bereits im Herstellungsbetrieb auf Dichtheit geprüft werden. Bisher war allerdings die Klemmung relativ aufwendig realisiert, da aus verschiedenen Gründen eine getrennte Fixierung des Gasspeicher-Sackes und der Außenmembran erforderlich war, dies aber einen erhöhten Arbeitsaufwand bedeutete. Ein derartiger Gasspeicher ist beispielweise in der FR 2 766 255 gezeigt.An embodiment of the actual gas storage space as already sealed in the production gas storage bag has been found to be advantageous. It can be the finished gas storage bag already tested in the factory for leaks. So far, however, the clamping was realized relatively expensive, since a separate fixation of the gas storage bag and the outer membrane was required for different reasons, but this meant an increased workload. Such a gas storage is for example in the FR 2 766 255 shown.

Weiters ist in der EP 1 338 843 ein Gasspeicher angegeben, bei dem neben einer Außenmembran und einem inneren Gasspeicher-Sack eine dritte Gasmembran zur Abdichtung des Stützgasraumes zwischen der Außenmembran und dem Gasspeicher-Sack vorgesehen ist, wodurch der konstruktive Aufbau des Gasspeichers entsprechend aufwendig und seine Herstellung dadurch mit hohen Material- und Arbeitskosten verbunden ist.Furthermore, in the EP 1 338 843 a gas storage specified in which in addition to an outer membrane and an inner gas storage bag, a third gas membrane for sealing the support gas space between the outer membrane and the gas storage bag is provided, whereby the structural design of the gas storage according consuming and thus its production with high material and Labor costs is connected.

Aufgabe der Erfindung ist es, einen Gasspeicher anzugeben, welcher eine Dichtheitskontrolle des Gasspeicherraumes bei der Herstellung und zugleich eine einfache Montage ermöglicht.The object of the invention is to provide a gas storage, which allows a tightness control of the gas storage space in the production and at the same time a simple installation.

Erfindungsgemäß wird dies dadurch erreicht, dass die Lasche zumindest teilweise gemeinsam mit einem Randbereich der Außenmembran geklemmt ist, dass die gemeinsame Klemmung gegenüber der Bodenfläche fixiert ist, und dass die Außenmembran so mit der Lasche gemeinsam geklemmt ist, dass der Stützgasraum zwischen dem Gasspeicher-Sack und der Außenmembran abgedichtet ist.According to the invention this is achieved in that the tab is at least partially clamped together with an edge region of the outer membrane, that the common clamp is fixed relative to the bottom surface, and that the outer membrane is clamped together with the tab that the support gas space between the gas storage bag and the outer membrane is sealed.

Damit kann der Vorgang des Klemmens für die Außenmembran und den inneren Gasspeicher-Sack zu einem Vorgang zusammengeführt werden. Die eigentliche Abdichtung des Gasspeicherraumes ist durch den inneren Gasspeicher-Sack bereits gewährleistet und verursacht daher während der Montage keine Verzögerung. Die wesentlich unkritischere Abdichtung des Gas-Stützraumes kann durch die gemeinsame Klemmung der Außenmembran und der Lasche der inneren Gasspeicher-Sackes erfolgen.Thus, the process of clamping for the outer membrane and the inner gas storage bag can be merged into one operation. The actual sealing of the gas storage space is already ensured by the inner gas storage bag and therefore causes no delay during assembly. The much less critical sealing of the gas support space can be done by the common clamping of the outer membrane and the tab of the inner gas storage bag.

Für die Abdichtung des Gas-Stützraumes kann gemäß einer weiteren Ausbildung der Erfindung die Lasche sich entlang des gesamten bodennahen Umfangs des Gasspeicher-Sackes erstrecken.For the sealing of the gas support space, according to a further embodiment of the invention, the tab can extend along the entire ground-level circumference of the gas storage bag.

Auf konstruktiv einfache Weise lässt sich die gemeinsame Klemmung verwirklichen, wenn gemäß eines weiteren Ausführungsbeispiels der Erfindung der vom inneren Gasspeicher-Sack wegstehende Endbereich der Lasche parallel zur Bodenfläche und im geklemmten Bereich unterhalb des umgelegten Randbereiches der Außenmembran verläuft und die Außenmembran und der Endbereich der Lasche von einer Klemmvorrichtung auf der Bodenfläche festgeklemmt sind.In a structurally simple way, the common clamping can be realized if, according to a further embodiment of the invention wegstehende from the inner gas storage bag end portion of the tab parallel to the bottom surface and in the clamped area below the folded edge region of the outer membrane and the outer membrane and the end portion of the tab are clamped by a clamping device on the bottom surface.

Die Klemmvorrichtung dient der Fixierung des Gasspeicher-Sackes am Boden und der dichtenden Klemmung der Außenmembran. Sie kann durch eine Klemmschiene gebildet sein, die mittels Schrauben, Spreizanker, Klebeanker, durch Einbetonieren od. dgl. im Boden fixierbare Befestigungselemente oder Anker, die durch fluchtende Löcher im Randbereich der Außenmembran und im wegstehenden Endbereich der Lasche geführt sind, fixiert ist und welche die Außenmembran und die Lasche gemeinsam klemmt.The clamping device serves to fix the gas storage bag at the bottom and the sealing clamping of the outer membrane. It can by a clamping rail be formed by means of screws, expansion anchors, adhesive anchors, by concreting od. Like. Fixable in the ground fasteners or anchors, which are guided by aligned holes in the edge region of the outer membrane and wegstehende end portion of the tab, and which the outer membrane and the tab clamped together.

Eine Variante der Erfindung kann darin bestehen, dass der Gasspeicher-Sack aus einer Bodenmembran und einer Innenmembran gebildet ist, wobei die Bodenmembran entlang ihres Umfanges mit der Innenmembran verbunden ist und zwischen diesen der befüllbare Gasspeicherraum gebildet ist. Dabei kann vom Verbindungsbereich zwischen der Bodenmembran und der Innenmembran die zumindest eine Lasche nach außen weggeführt und die zumindest eine Lasche mit ihrem Endbereich gemeinsam mit dem Randbereich der Außenmembran geklemmt sein. Auf diese Weise kann der aus einer Innen- und einer Bodenmembran zusammengesetzte Gasspeicher-Sack über die vorgesehene Lasche zu dem Klemmbereich der Außenmembran geführt sein, wo die gemeinsame Klemmung erfolgt.A variant of the invention may consist in that the gas storage bag is formed from a bottom membrane and an inner membrane, wherein the bottom membrane is connected along its circumference with the inner membrane and between these the fillable gas storage space is formed. In this case, the at least one tab led away from the connection region between the bottom membrane and the inner membrane to the outside and the at least one tab with its end region be clamped together with the edge region of the outer membrane. In this way, the gas storage bag composed of an inner and a bottom membrane can be guided over the intended tab to the clamping region of the outer membrane, where the common clamping takes place.

Die Lasche selbst kann in unterschiedlicher Weise hergestellt sein. Eine mögliche Ausführungsform kann darin bestehen, dass die Lasche als Materialstreifen ausgebildet ist, der an den Verbindungsbereich zwischen der Bodenmembran und der Innenmembran angeschweißt ist.The tab itself can be made in different ways. A possible embodiment may be that the tab is formed as a strip of material which is welded to the connecting region between the bottom membrane and the inner membrane.

Es kann die Lasche aber ebenso als Materialstreifen ausgebildet sein, der im Verbindungsbereich an der Außenseite des Gasspeicher-Sacks angeschweißt ist.However, the tab can also be designed as a material strip, which is welded in the connection area on the outside of the gas storage bag.

Der konstruktiven Ausgestaltung der Lasche sind im Rahmen der Erfindung keine Grenzen gesetzt.The structural design of the tab are set within the scope of the invention no limits.

Ferner können Teile des Gasspeicher-Sackes zur Ausbildung der Lasche herangezogen werden. So kann gemäß einem weiteren Ausführungsbeispiel der Erfindung der Randbereich der Bodenmembran im Verbindungsbereich an die Innenseite der Innenmembran angeschweißt sein, wobei die Lasche als ein überstehender Randbereich der Innenmembran vom Verbindungsbereich zwischen der Bodenmembran und der Innenmembran weggeführt ist. Dies hat den Vorteil, dass das vorhandene Material für die Ausbildung eingesetzt werden kann.Furthermore, parts of the gas storage bag can be used to form the tab. Thus, according to a further embodiment of the invention, the edge region of the bottom membrane in the connection region to be welded to the inside of the inner membrane, wherein the tab is guided away as a protruding edge region of the inner membrane from the connection region between the bottom membrane and the inner membrane. This has the advantage that the existing material can be used for training.

Eine alternative Ausführungsform kann weiters darin bestehen, dass der Randbereich der Innenmembran im Verbindungsbereich an die Innenseite der Bodenmembran angeschweißt ist, und dass die Lasche als ein überstehender Randbereich der Bodenmembran vom Verbindungsbereich zwischen der Bodenmembran und der Innenmembran weggeführt ist.An alternative embodiment may further be that the edge region of the inner membrane in the connection region is welded to the inside of the bottom membrane, and that the tab is guided away from the connection region between the bottom membrane and the inner membrane as a protruding edge region of the bottom membrane.

Es kann in weiterer Ausbildung der Erfindung vorgesehen sein, dass die Lasche durch Zusammenschweißen des Randbereichs der Innenmembran und des Randbereichs der Bodenmembran gebildet ist.It may be provided in a further embodiment of the invention that the tab is formed by welding together the edge region of the inner membrane and the edge region of the bottom membrane.

Nachfolgend wird die Erfindung anhand der in den Zeichnungen dargestellten Ausführungsbeispiele eingehend erläutert. Es zeigt dabei

  • Fig.1 einen schematischen Schnitt durch eine Ausführungsform des erfindungsgemäßen Gasspeichers;
  • Fig.2 ein Detail des in Fig.1 gezeigten Gasspeichers;
  • Fig.3 ein Detail einer weiteren Ausführungsform des erfindungsgemäßen Gasspeichers;
  • Fig. 4 ein Detail einer weiteren Ausführungsform des erfindungsgemäßen Gasspeichers;
  • Fig. 5 ein Detail einer weiteren Ausführungsform des erfindungsgemäßen Gasspeichers;
  • Fig.6 ein Detail einer weiteren Ausführungsform des erfindungsgemäßen Gasspeichers und
  • Fig.7 ein Detail einer weiteren Ausführungsform des erfindungsgemäßen Gasspeichers.
The invention will be explained in detail with reference to the embodiments illustrated in the drawings. It shows
  • Fig.1 a schematic section through an embodiment of the gas storage device according to the invention;
  • Fig.2 a detail of in Fig.1 shown gas storage;
  • Figure 3 a detail of another embodiment of the gas storage device according to the invention;
  • Fig. 4 a detail of another embodiment of the gas storage device according to the invention;
  • Fig. 5 a detail of another embodiment of the gas storage device according to the invention;
  • Figure 6 a detail of another embodiment of the gas storage according to the invention and
  • Figure 7 a detail of another embodiment of the gas storage according to the invention.

Fig. 1 und 2 zeigt einen Gasspeicher 10 mit einem inneren Gasspeicher-Sack 29, der einen mit Gas befüllbaren Gasspeicherraum 12 in Form eines ballonartigen Gebildes ausbildet, der in seinem gefüllten Zustand z.B. einen Kugelabschnitt darstellt. In der vereinfachten Darstellung der Fig.1 sind aus Gründen der Übersichtlichkeit alle Zu-und Ableitungen sowie Messsensoren und - einrichtungen nicht abgebildet. Fig. 1 and 2 shows a gas storage 10 with an inner gas storage bag 29, which forms a gas-filled gas storage space 12 in the form of a balloon-like structure, which is in its filled state, for example, a spherical segment. In the simplified representation of Fig.1 For reasons of clarity, all inlets and outlets as well as measuring sensors and devices are not shown.

Der innere Gasspeicher-Sack 29 ist mit seinem nach außen gerichteten Flächenbereich mit Ausnahme des Bodenbereiches von einer Außenmembran 1 umgeben, die ihn gegen äußere Einflüsse schützt. Je nach Gasfüllung ist der Gasspeicher-Sack 29 mehr oder weniger aufgebläht. Im Stützgasraum 11 zwischen dem inneren Gasspeicher-Sack 29 und der Außenmembran 1 ist ein Stützgas vorhanden, über dessen Druck die Außenmembran 1 in Form gehalten wird.The inner gas storage bag 29 is surrounded with its outwardly directed surface area with the exception of the bottom area of an outer membrane 1, which protects it against external influences. Depending on the gas filling of the gas storage bag 29 is more or less bloated. In the support gas space 11 between the inner gas storage bag 29 and the outer membrane 1, a support gas is present, via the pressure of the outer membrane 1 is kept in shape.

Als Material für die Außenmembran 1 und den inneren Gasspeicher-Sack 29 wird z.B. Kunststofffolie oder kunststoffbeschichtete Gewebe verwendet, die als Segmente zur gewünschten Form z.B. durch Verschweißen zusammengesetzt werden.As the material for the outer membrane 1 and the inner gas storage bag 29, e.g. Plastic film or plastic-coated fabrics used as segments to the desired shape e.g. be assembled by welding.

Wie aus Fig.2 ersichtlich sind der innere Gasspeicher-Sack 29 und die Außenmembran 1 gegenüber einer Bodenfläche 4 festgelegt.How out Fig.2 As can be seen, the inner gas storage bag 29 and the outer membrane 1 are fixed relative to a bottom surface 4.

Erfindungsgemäß weist der innere Gasspeicher-Sack 29 an seiner Außenseite eine Lasche 20 auf, welche gemeinsam mit einem Randbereich der Außenmembran 1 geklemmt ist, wobei die gemeinsame Klemmung bzw. der Bereich der Lasche 20 und des Randbereiches der Außenmembran 1, der geklemmt ist, gegenüber der Bodenfläche 4 fixiert ist. Die Lasche 20 verläuft dabei parallel zur Bodenfläche 4 und im geklemmten Bereich unterhalb des umgelegten Randbereiches der Außenmembran 1.According to the invention, the inner gas storage bag 29 has on its outer side a tab 20, which is clamped together with an edge region of the outer membrane 1, wherein the common clamping or the region of the tab 20 and the edge region of the outer membrane 1, which is clamped against the bottom surface 4 is fixed. The tab 20 extends parallel to the bottom surface 4 and in the clamped area below the folded edge region of the outer membrane. 1

Damit ist der für sich dichte innere Gasspeicher-Sack 29 über die Lasche 20 festgelegt und zugleich die Außenmembran 1 so mit der Lasche 20 geklemmt, dass der Stützgasraum 11 abgedichtet ist.Thus, the self-sufficient inner gas storage bag 29 is fixed on the tab 20 and at the same time the outer membrane 1 clamped with the tab 20 so that the support gas chamber 11 is sealed.

Die Lasche 20 kann nur bereichsweise oder es können mehrere Laschen vorgesehen sein, im gezeigten Ausführungsbeispiel erstreckt sich die Lasche 20 jedoch entlang des gesamten bodennahen Umfangs des Gasspeicher-Sackes 29, um mit Hilfe der Lasche 20 auch eine Abdichtung des Stützgasraumes 11 zu erzielen. Zu diesem Zweck muss die Lasche 20 und ihre Verbindung mit dem Gasspeicher-Sack 29 Gasdichtheit gewährleisten.The tab 20 may only partially or it may be provided several tabs, in the illustrated embodiment, the tab 20, however, extends along the entire ground-level circumference of the gas storage bag 29 to achieve by means of the tab 20 and a seal of the support gas space 11. For this purpose, the tab 20 and its connection to the gas storage bag 29 must ensure gas tightness.

Um die gemeinsame Klemmung vornehmen zu können, sind der Randbereich der Außenmembran 1 und der vom Gasspeicher-Sack 29 wegstehende Endbereich der Lasche 20 übereinanderliegend angeordnet und von einer Klemmvorrichtung 13 auf der Bodenfläche 4 festgeklemmt.In order to be able to carry out the common clamping, the edge region of the outer membrane 1 and the end region of the tab 20 projecting from the gas storage bag 29 are arranged one above the other and clamped by a clamping device 13 on the bottom surface 4.

Die Klemmvorrichtung 13 ist durch eine Klemmschiene 17 gebildet, die mittels Schrauben 18, die durch fluchtende Löcher im Randbereich der Außenmembran 1 und im wegstehenden Endbereich der Lasche 20 geführt sind, fixiert ist und welche die Außenmembran 1 und die Lasche 20 gemeinsam klemmt. Diese Schiene kann um den Gasspeicher 10 herum durchgehend kreisförmig oder polygonal ausgebildet werden oder nur in Teilbereichen des Gasspeicherumfanges. Andere, dem Fachmann bekannte Formen der Klemmung können ebenso ausgebildet sein.The clamping device 13 is formed by a clamping rail 17, which is fixed by means of screws 18, which are guided by aligned holes in the edge region of the outer membrane 1 and in the protruding end portion of the tab 20, and which clamps the outer membrane 1 and the tab 20 together. This rail can be formed around the gas storage 10 around circular or polygonal or only in partial areas of Gasspeicherumfanges. Other forms of clamping known to those skilled in the art may also be designed.

Im Ausführungsbeispiel gemäß Fig.1 und 2 ist der Gasspeicher-Sack 29 aus einer Bodenmembran 3 und einer Innenmembran 2 gebildet, wobei die Bodenmembran 3 entlang ihres Umfanges mit der Innenmembran 2 verbunden ist und zwischen diesen der befüllbare Gasspeicherraum 12 gebildet ist. Vom Verbindungsbereich 30 - der in Bodennähe verläuft - zwischen der Bodenmembran 3 und der Innenmembran 2 ist die umlaufende Lasche 20 nach außen weggeführt und diese ist mit ihrem Endbereich gemeinsam mit dem Randbereich der Außenmembran 1 geklemmt.In the embodiment according to Fig.1 and 2 the gas storage bag 29 is formed from a bottom membrane 3 and an inner membrane 2, wherein the bottom membrane 3 is connected along its circumference to the inner membrane 2 and between these the fillable gas storage space 12 is formed. From the connection region 30 - which runs near the bottom - between the bottom membrane 3 and the inner membrane 2, the circumferential tab 20 is led away to the outside and this is clamped with its end region together with the edge region of the outer membrane 1.

Die Lasche 20 ist im Ausführungsbeispiel gemäß Fig.1 und 2 als Materialstreifen ausgebildet, der an den Verbindungsbereich 30 zwischen der Bodenmembran 3 und der Innenmembran 2 angeschweißt ist. Jede andere geeignete Form der Verbindung ist ebenso anwendbar.The tab 20 is in the embodiment according to Fig.1 and 2 formed as a material strip, which is welded to the connecting portion 30 between the bottom membrane 3 and the inner membrane 2. Any other suitable form of connection is equally applicable.

Eine weitere Ausführungsform ist in Fig.3 gezeigt, in welcher der Randbereich der Bodenmembran 3 im Verbindungsbereich 30' an die Innenseite der Innenmembran 2 angeschweißt ist. Die Lasche 20' ist dabei als ein überstehender Randbereich der Innenmembran 2 vom Verbindungsbereich 30' zwischen der Bodenmembran 3 und der Innenmembran 2 nach außen weggeführt, um durch die Klemmvorrichtung 13 gemeinsam mit dem Randbereich der Außenmembran 1 geklemmt zu werden.Another embodiment is in Figure 3 shown in which the edge region of the bottom membrane 3 in the connection region 30 'is welded to the inside of the inner membrane 2. The tab 20 'is led away as a protruding edge region of the inner membrane 2 from the connecting region 30' between the bottom membrane 3 and the inner membrane 2 to the outside to be clamped by the clamping device 13 together with the edge region of the outer membrane 1.

Bei dem in Fig.4 gezeigten Ausführungsbeispiel ist der Randbereich der Innenmembran 2 im Verbindungsbereich 30" an die Innenseite der Bodenmembran 3 angeschweißt und die Lasche 20" ist als ein überstehender Randbereich der Bodenmembran 3 vom Verbindungsbereich 30" zwischen der Bodenmembran 3 und der Innenmembran 2 in Richtung zur Klemmvorrichtung 13 weggeführt, wo die Verlängerung der Bodenmembran 3 mit dem Randbereich der Außenmembran 1 gemeinsam geklemmt ist.At the in Figure 4 In the embodiment shown, the edge region of the inner membrane 2 in the connection region 30 "is welded to the inside of the bottom membrane 3 and the flap 20" is designed as a protruding edge region of the bottom membrane 3 from the connection region 30 "between the bottom membrane 3 and the inner membrane 2 led away in the direction of the clamping device 13, where the extension of the bottom membrane 3 is clamped together with the edge region of the outer membrane 1.

Fig. 5 zeigt eine weitere Variante der Erfindung, in der die Innenmembran 2 und die Bodenmembran 3 in ihren Randbereichen zusammengeführt und miteinander verbunden sind. Dies geschieht, indem die Lasche 30'" durch Zusammenschweißen des Randbereichs der Innenmembran 2 und des Randbereichs der Bodenmembran 20'" gebildet ist und so die gemeinsame Klemmung mit der Außenmembran 1 erfolgt. Fig. 5 shows a further variant of the invention, in which the inner membrane 2 and the bottom membrane 3 are brought together in their edge regions and connected to each other. This is done by the tab 30 '"is formed by welding together the edge region of the inner membrane 2 and the edge region of the bottom membrane 20'" and so the joint clamping takes place with the outer membrane 1.

Fig.6 zeigt eine weitere Ausführungsform der Erfindung, bei welcher der Gasspeichersack 29 einteilig ausgeführt ist und es keine Unterscheidung zwischen Bodenmembran und Innenmembran gibt. Die Lasche 20"" für die Klemmung mit der Außenmembran 1 ist als Materialstreifen ausgebildet, der in einem Kontaktbereich 30"", ungefähr an jener Stelle, an welcher die Berührung des Gasspeichersackes 29 mit dem Boden endet, an der Außenseite des Gasspeicher-Sacks 29 angeschweißt ist, sodass bei Verwendung die Verschweißung im Bereich zwischen der Bodenfläche 4 und Unterseite des Gasspeicher-Sackes 29 zu liegen kommt. Figure 6 shows a further embodiment of the invention, in which the gas storage bag 29 is made in one piece and there is no distinction between the bottom membrane and inner membrane. The tab 20 "" for clamping with the outer membrane 1 is formed as a material strip, in a contact region 30 "", approximately at the point at which the touch of the gas storage bag 29 ends with the bottom, on the outside of the gas storage bag 29th is welded, so when using the welding in the area between the bottom surface 4 and bottom of the gas storage bag 29 comes to rest.

In einer ähnlichen Form ist beim Gasspeicher gemäß Fig.7 die als Materialstreifen ausgebildete Lasche 20""' im Kontaktbereich 30""' an der Außenseite des Gasspeicher-Sackes 29 nach oben umgeschlagen verschweißt.In a similar form is the gas storage according to Figure 7 the formed as a strip of material flap 20 ""'in the contact area 30 ""' welded to the outside of the gas storage bag 29 folded upwards.

Claims (10)

  1. A gas reservoir (10) having an inner gas reservoir bag (29) forming a gas reservoir space (12) which may be filled with gas and an outer membrane (1) enclosing certain areas of said gas reservoir bag (29), said gas reservoir bag (29) and said outer membrane (1) being fixed in relation to a bottom surface (4), said inner gas reservoir bag (29) having at least one flap (20, 20', 20", 20"', 20"", 20""') on its outer surface and a supporting gas space (11) being formed between said gas reservoir bag (29) and said outer membrane (1), said flap (20, 20', 20", 20"', 20"", 20""') and an edge area of said outer membrane (1) being at least partially clamped together and said clamping being fixed in relation to said bottom surface (4), characterized in that the end portion of said flap (20, 20', 20", 20"', 20"", 20""') projecting from said inner gas reservoir bag (29) extends parallel to the bottom surface (4) and, in the clamped area, underneath the edge area of the outer membrane (1), in that the outer membrane (1) and the end portion of the flap (20, 20', 20", 20"', 20"", 20""') are clamped to the bottom surface (4) by means of a clamping device (13) and in that the outer membrane (1) and the flap (20, 20', 20", 20"', 20"", 20""') are clamped together in a way that the supporting gas space (11) between the gas reservoir bag (29) and the outer membrane (1) is sealed.
  2. The gas reservoir according to claim 1, characterized in that said flap (20, 20', 20", 20"', 20"", 20""') extends along the overall bottom surface of said inner gas reservoir bag (29).
  3. The gas reservoir according to claim 1 or 2, characterized in that said clamping device (13) being formed by a clamping rail (17) which is fixed to the bottom by means of screws (18), expansion anchor bolts, adhesive anchor bolts, concrete or by similar fixing elements which can be fixed to the bottom, or by means of anchor bolts which pass through aligned holes in the edge area of the outer membrane (1) and in the projecting end portion of the flap (20, 20', 20", 20"', 20"", 20""') and which clamps together the outer membrane (1) and the flap (20, 20', 20", 20"', 20"", 20""').
  4. The gas reservoir according to any one of the preceding claims, characterized in that the inner gas reservoir bag (29) is formed by a bottom membrane (3) and an inner membrane (2), said bottom membrane (3) being joined to said inner membrane (2) along its circumference and the gas reservoir space (12) which may be filled with gas being formed between them.
  5. The gas reservoir according to claim 4, characterized in that said at least one flap (20, 20', 20", 20"') extends outwards from the joining area (30, 30', 30", 30"') between the bottom membrane (3) and the inner membrane (2) and in that the end portion of said at least one flap (20, 20', 20", 20"') and the edge area of the outer membrane (1) are clamped together.
  6. The gas reservoir according to claim 5, characterized in that the flap (20) is formed as a strip of material which is welded to the joining area (30) between the bottom membrane (3) and the inner membrane (2).
  7. The gas reservoir according to claim 5, characterized in that, in the joining area (30'), the edge area of the bottom membrane (3) is welded to the interior side of the inner membrane (2) and in that the flap (20') extends from the joining area (30') between the bottom membrane (3) and the inner membrane (2) as a projecting edge area of said inner membrane (2).
  8. The gas reservoir according to claim 5, characterized in that, in the joining area (30"), the edge area of the inner membrane (2) is welded to the interior side (3) of the bottom membrane (3) and in that the flap (20") extends from the joining area (30") between the bottom membrane (3) and the inner membrane (2) as a projecting edge area of said bottom membrane (3).
  9. The gas reservoir according to claim 5, characterized in that the flap (20"') is formed by welding together the edge area of the inner membrane (2) and the edge area of the bottom membrane (3).
  10. The gas reservoir according to any one of the claims 1 to 3, characterized in that the flap (20"", 20""') is formed as a strip of material which is welded to the contact area (30"", 30""") of the outer surface of the gas reservoir bag (29).
EP09737523A 2008-05-02 2009-04-30 Gas accumulator Revoked EP2271869B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6922008A AT506733B1 (en) 2008-05-02 2008-05-02 GAS STORAGE
PCT/AT2009/000176 WO2009132371A1 (en) 2008-05-02 2009-04-30 Gas accumulator

Publications (2)

Publication Number Publication Date
EP2271869A1 EP2271869A1 (en) 2011-01-12
EP2271869B1 true EP2271869B1 (en) 2012-07-04

Family

ID=40902192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09737523A Revoked EP2271869B1 (en) 2008-05-02 2009-04-30 Gas accumulator

Country Status (3)

Country Link
EP (1) EP2271869B1 (en)
AT (1) AT506733B1 (en)
WO (1) WO2009132371A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT391181B (en) * 1988-03-17 1990-08-27 Sattler Textilwerke GAS STORAGE
FR2766255B3 (en) * 1997-07-18 1999-09-17 Tech Michel Brochier Sa GAS STORAGE DEVICE, ESPECIALLY BIOGAS
ITCR20020001A1 (en) * 2002-02-21 2003-08-21 Ecomembrane Srl MEMBRANE GAS ACCUMULATOR

Also Published As

Publication number Publication date
AT506733A1 (en) 2009-11-15
AT506733B1 (en) 2010-08-15
EP2271869A1 (en) 2011-01-12
WO2009132371A1 (en) 2009-11-05

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