DE10156377B4 - Composite gas cylinder with prefabricated jacket - Google Patents

Composite gas cylinder with prefabricated jacket Download PDF

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Publication number
DE10156377B4
DE10156377B4 DE10156377A DE10156377A DE10156377B4 DE 10156377 B4 DE10156377 B4 DE 10156377B4 DE 10156377 A DE10156377 A DE 10156377A DE 10156377 A DE10156377 A DE 10156377A DE 10156377 B4 DE10156377 B4 DE 10156377B4
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Germany
Prior art keywords
compressed gas
metal container
container
fiber
laminate
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Expired - Fee Related
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DE10156377A
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German (de)
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DE10156377A1 (en
Inventor
Martin Dr. Kesten
Gesa Bayer
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Air Liquide Deutschland GmbH
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Air Liquide Deutschland GmbH
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Priority to DE10156377A priority Critical patent/DE10156377B4/en
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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
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04—Protecting sheathings
    • F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
    • 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
    • F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
    • 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
    • F17C2201/0104—Shape cylindrical
    • 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
    • F17C2201/056—Small (<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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • 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
    • F17C2203/0604—Liners
    • 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
    • F17C2203/0636—Metals
    • 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
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • 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
    • F17C2203/0636—Metals
    • F17C2203/0646—Aluminium
    • 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
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • 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
    • 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
    • F17C2203/066—Plastics
    • 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
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • 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
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F17C2203/0673—Polymers
    • 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
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F17C2209/2127—Moulding by blowing
    • 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
    • F17C2209/224—Press-fitting; Shrink-fitting
    • 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
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • 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
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • 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
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/012—Reducing weight
    • 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
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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
    • F17C2270/07—Applications for household use
    • F17C2270/0736—Capsules, e.g. CO2
    • 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
    • F17C2270/07—Applications for household use
    • F17C2270/0763—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

Abstract

Verfahren zur Herstellung eines Verbund-Druckgasbehälters, wobei ein vorgefertigtes Mantelrohr aus Laminat, insbesondere aus Fasermaterial wie Glasfaser, Kunststofffaser oder Kohlenstofffaser und einem Kunstharz, als Rohrabschnitt über einen zylindrischen Metallbehälter geschoben wird, und wobei danach der Metallbehälter mittels Innendruckverformen, insbesondere mittels Gasdruck, so weit verformt und aufgeweitet wird, dass eine feste, insbesondere kraftschlüssige und unlösbare, Verbindung zwischen dem Metallbehälter und dem Mantelrohr entsteht.method for producing a composite compressed gas container, wherein a prefabricated Jacket tube made of laminate, in particular of fiber material such as glass fiber, Plastic fiber or carbon fiber and a synthetic resin, as a pipe section over a cylindrical metal container is pushed, and wherein then the metal container by means of internal pressure deformation, in particular by means of gas pressure, so far deformed and widened is that a solid, especially non-positive and permanent connection between the metal container and the jacket tube is formed.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung eines Verbund-Druckgasbehälters, einen Druckgasbehälter aus einem Verbund eines zylindrischen Metallbehälters und eines Laminatrohrs sowie dessen Verwendung.The The invention relates to a method for producing a composite compressed gas container, a compressed gas container a composite of a cylindrical metal container and a laminate tube as well as its use.

Gase und Gasgemische werden in der Regel in Druckgasbehältern gelagert und transportiert. Die gebräuchlichsten Druckgasbehälter sind Druckgasflaschen aus Stahl und Aluminium für verdichtete, verflüssigte oder gelöste Gase mit einem maximalen Fülldruck bis 200 bar oder 300 bar.gases and gas mixtures are usually stored in pressurized gas containers and transported. The most common Compressed gas containers Are compressed gas cylinders made of steel and aluminum for compressed, liquefied or dissolved Gases with a maximum filling pressure up to 200 bar or 300 bar.

Um das Gewicht von Druckgasflaschen zu verringern, werden Verbundgasflaschen (Composite Flaschen) von den Gaseherstellern eingesetzt. Verbundgasflaschen bestehen aus einem sogenannten Liner, welcher über einen wesentlichen Teil seiner Länge mit Verbundfasern aus Glas, Kohlenstoff, Aramid oder Draht umwickelt ist. Beispielsweise wird bei dem überwiegend praktizierten Naßwickelverfahren in einem gesteuerten Wickelprozeß ein Faser/Harzlaminat auf den Liner aufgetragen, das in einem nachgeschalteten Wärmebehandlungsprozess seine endgültigen Gebrauchseigenschaften erhält. Verbundgasflaschen und deren Herstellung sind z.B. in der DE 31 03 646 A1 , DE 38 21 852 A1 und US 38 43 010 beschrieben. Die Verbundgasflaschen haben den Nachteil, daß sie durch individuelle Bewickelung der Behälter (Liner) hergestellt werden müssen, wobei die individuelle Bewickelung auf den üblichen Wickelmaschinen sehr aufwendig ist und der Prozeß mehrere, zum Teil manuell ausgeführte Arbeitsschritte erfordert, die bei jedem Behälter wiederholt werden müssen.To reduce the weight of compressed gas cylinders, composite gas cylinders (composite cylinders) are used by the gas manufacturers. Composite gas cylinders consist of a so-called liner, which is wrapped over a substantial part of its length with composite fibers of glass, carbon, aramid or wire. For example, in the predominantly wet-winding process, in a controlled winding process, a fiber / resin laminate is applied to the liner which obtains its final performance characteristics in a post-heat treatment process. Composite gas cylinders and their production are eg in the DE 31 03 646 A1 . DE 38 21 852 A1 and US 38 43 010 described. The composite gas cylinders have the disadvantage that they must be made by individual Bewickelung the container (liner), the individual winding on the usual winding machines is very expensive and the process requires several, sometimes manually executed steps that must be repeated for each container ,

Ein Schwerpunkt der gegenwärtigen Entwicklung von Brennstoffzellen ist die Entwicklung von Systemen mit kleiner und mittlerer Leistung für die netzunabhängige Stromversorgung von mobilen Verbrauchern. Das Ziel sind Batterieersatzlösungen für lange Betriebszeiten bei relativ kleinen Leistungen bzw. die Bereitstellung von Energiewandlern mit unabhängig dimensionierbaren Wasserstoffspeichern. Für die Wasserstoffversorgung derartiger Systeme wird an kleine Hydridspeicher gedacht, die allerdings verschiedene Nachteile besitzen. Dazu gehören in erster Linie die hohen Materialkosten, ein sehr hohes Gewicht und eine sehr geringe Speicherdichte (etwa 1 Gew.-%). Zusätzliche Nachteile sind die Empfindlichkeit gegenüber Verunreinigungen und begrenzte Befüll- und Entladezyklen.One Focus of the current Development of fuel cells is the development of systems with low and medium power for the off-grid power supply from mobile consumers. The goal is battery replacement solutions for a long time Operating times for relatively small services or provision of energy converters with independent dimensionable hydrogen storage. For the hydrogen supply Such systems are thought of small hydride storage, but different Have disadvantages. This includes primarily the high material costs, a very high weight and a very low storage density (about 1% by weight). additional Disadvantages are the sensitivity to contamination and limited filling and Discharge cycles.

DE 31 03 646 A1 offenbart einen mit Glas-, Kohlenstoff-, Aramid- oder Borfasern umwickelten Druckbehälter. DE 31 03 646 A1 discloses a pressure vessel wrapped with glass, carbon, aramid or boron fibers.

DE 21 59 852 A offenbart ein Verfahren zum Herstellen eines doppelwandigen Behälters, wobei zwei oder mehr aneinander zugeordnete Teile eines Innenbehälters übereinander geschoben und miteinander verschweißt sind. DE 21 59 852 A discloses a method for producing a double-walled container, wherein two or more parts of an inner container which are assigned to one another are pushed over one another and welded together.

DE 737 187 C offenbart ein Verfahren zur Herstellung von innen plattierten Behältern, wobei die Plattierung an der Innenseite des Behälters mit Hilfe eines Innendruckes erhältlich ist. DE 737 187 C discloses a method for producing internally plated containers, wherein the plating on the inside of the container is obtainable by means of an internal pressure.

DE 1 824 737 U betrifft einen unmagnetischen Druckgasbehälter aus einer austenitischen Stahllegierung, der durch Kaltverformen vorwiegend in der Umfangsrichtung verfestigt ist. DE 1 824 737 U relates to a non-magnetic pressure gas container made of an austenitic steel alloy, which is solidified by cold working mainly in the circumferential direction.

Der Erfindung liegt die Aufgabe zugrunde, eine Verbundgasflasche zu schaffen, die wesentlich kostengünstiger hergestellt werden kann.Of the Invention is based on the object, a composite gas cylinder create that much cheaper can be produced.

Eine weitere Aufgabe besteht in der Bereitstellung einer alternativen Wasserstoffversorgung für Brennstoffzellen.A Another object is to provide an alternative Hydrogen supply for fuel cells.

Die erste Aufgabe wird erfindungsgemäß durch ein Verfahren mit den in Anspruch 1 beschriebenen Merkmalen sowie einen Druckgasbehälter mit den im Anspruch 2 angegebenen Merkmalen gelöst.The first object is achieved by a method having the features described in claim 1 and a compressed gas tank solved with the features specified in claim 2.

Die weitere Aufgabe wird mit den Merkmalen des Anspruchs 6 gelöst Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen genannt.The Another object is achieved with the features of claim 6 Advantageous Embodiments of the invention are mentioned in the subclaims.

Der umfangsverstärkte Druckgasbehälter wird dadurch hergestellt, daß über die zylindrische Länge des Liners ein Mantelrohr, insbesondere ein bereits vollständig vorgefertigtes Laminatrohr, angebracht wird. Diese Laminatrohre können sehr kostengünstig in großer Länge gefertigt werden und müssen nur noch passend zugeschnitten werden.Of the extensive strengthened Gas cylinder is made by the fact that over the cylindrical length of the liner a jacket tube, in particular an already completely prefabricated Laminate tube is attached. These laminate pipes can be very economical in big Length made and only have to be cut to fit.

Mantelrohre sind Laminatrohre, die z.B. aus Fasermaterial wie Glasfaser, Kunststofffaser oder Kohlenstofffaser und einem Kunstharz (z.B. Polyesterharz oder Epoxidharz) hergestellt werden.casings are laminate tubes, e.g. made of fiber material such as glass fiber, plastic fiber or carbon fiber and a synthetic resin (e.g., polyester resin or Epoxy resin) are produced.

Nachdem das Laminatrohr über den Liner geschoben wurde müssen Liner und Laminatrohr fest verbunden werden, um den Betriebsbelastungen bzw. Druckbelastungen dauerhaft standhalten zu können. Dies wird erfindungsgemäß dadurch erreicht, daß der metallische Liner durch Innendruck so weit verformt wird, daß eine kraftschlüssige und unlösbare Verbindung zwischen dem zylindrischen Liner und dem Mantelrohr (Laminatrohr) entsteht. Das Ergebnis ist ein umfangsverstärkter zylindrischer Behälter, der nach den für Composite-Behälter geltenden Regeln der Technik ausgelegt und betrieben werden kann.After this the laminate tube over the liner has been pushed Liner and laminate tube are firmly connected to the operating loads or To withstand pressure loads permanently. This is inventively characterized achieved that the Metallic liner is deformed by internal pressure so far that a frictional and unsolvable Connection between the cylindrical liner and the jacket tube (laminate tube) arises. The result is a circumferentially reinforced cylindrical container which after the for Composite cylinders be designed and operated in accordance with applicable rules of technology.

Bei Verwendung des Druckgasbehälters z.B. als Wasserstoffversorgung für Brennstoffzellen werden als Linen-Werkstoffe vorzugsweise Aluminiumlegierungen, hochlegierte Chrom-Nickel-Stähle oder Duplexstähle eingesetzt, wodurch eine Wasserstoffversprödung ausgeschlossen werden kann.When using the gas cylinder eg As hydrogen supply for fuel cells, preferably aluminum alloys, high-alloy chromium-nickel steels or duplex steels are used as line materials, whereby hydrogen embrittlement can be ruled out.

Mit Linern aus der höherfesten Aluminiumlegierung AA 7032 T6 und Hüllrohren (Mantelrohr) aus Kohlefaserlaminat sind leichte Druckgasbehälter insbesondere für die Wasserstoffspeicherung herstellbar, die im Vergleich zu den heute für mobile Brennstoffzellen eingesetzten Hydridspeichern die mindestens dreifache Gasmenge speichern können.With Liners from the higher strength Aluminum alloy AA 7032 T6 and cladding (jacket tube) made of carbon fiber laminate are lightweight gas cylinders especially for the hydrogen storage produced, compared to the today for mobile fuel cells used hydride storage at least can store three times the amount of gas.

Gemäß der Erfindung erfolgt die Bereitstellung von Wasserstoff in Hochdruckbehältern, -dosen, -kartuschen oder -patronen, die Wasserstoff insbesondere bei Drucken über 300 bar speichern können.According to the invention the provision of hydrogen in high-pressure tanks, cans, cartridges or cartridges containing hydrogen, especially at pressures above 300 can save bar.

Claims (6)

Verfahren zur Herstellung eines Verbund-Druckgasbehälters, wobei ein vorgefertigtes Mantelrohr aus Laminat, insbesondere aus Fasermaterial wie Glasfaser, Kunststofffaser oder Kohlenstofffaser und einem Kunstharz, als Rohrabschnitt über einen zylindrischen Metallbehälter geschoben wird, und wobei danach der Metallbehälter mittels Innendruckverformen, insbesondere mittels Gasdruck, so weit verformt und aufgeweitet wird, dass eine feste, insbesondere kraftschlüssige und unlösbare, Verbindung zwischen dem Metallbehälter und dem Mantelrohr entsteht.Process for producing a composite gas cylinder, wherein a prefabricated jacket tube made of laminate, in particular of fiber material like fiberglass, plastic fiber or carbon fiber and a synthetic resin, as a pipe section over one cylindrical metal container is pushed, and wherein then the metal container by means of internal pressure deformation, in particular by means of gas pressure, so far deformed and widened is that a solid, especially non-positive and permanent connection between the metal container and the jacket tube is formed. Druckgasbehälter aus einem Verbund eines zylindrischen Metallbehälters und eines Laminatrohres, insbesondere aus Fasermaterial wie Glasfaser, Kunststofffaser oder Kohlenstofffaser und einem Kunstharz, wobei bei der Herstellung des Druckgasbehälters der Metallbehälter und das Laminatrohr durch Innendruckverformung des Metallbehälters aufgeweitet und fest verbunden wurden. Compressed gas containers from a composite of a cylindrical metal container and a laminate tube, in particular of fiber material such as glass fiber, plastic fiber or Carbon fiber and a synthetic resin, being used in the production of the compressed gas tank the metal container and the laminate tube expanded by internal pressure deformation of the metal container and were firmly connected. Druckgasbehälter nach Anspruch 2, dadurch gekennzeichnet, dass die Verbindung kraftschlüssig und unlösbar ist.Compressed gas containers according to claim 2, characterized in that the connection frictionally and unsolvable is. Druckgasbehälter nach Anspruch 3, dadurch gekennzeichnet, dass der Metallbehälter aus einer Aluminiumlegierung, Messing oder Stahl ist.Compressed gas containers according to claim 3, characterized in that the metal container an aluminum alloy, brass or steel. Druckgasbehälter nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, dass der Druckgasbehälter eine Druckgasflasche, eine Druckdose, eine Kartusche oder eine Druckgaspatrone ist.Compressed gas containers according to claim 2, 3 or 4, characterized in that the compressed gas container a Compressed gas cylinder, a pressure cell, a cartridge or a pressurized gas cartridge is. Verwendung eines Druckgasbehälters nach einem der Ansprüche 2 bis 5, wobei der Druckgasbehälter einen Liner aus einer Aluminiumlegierung und ein Mantelrohr aus Kohlefaserlaminat aufweist, als Wasserstoffspeicher für Brennstoffzellen. Use of a compressed gas container according to one of claims 2 to 5, wherein the compressed gas container an aluminum alloy liner and a jacket tube Carbon fiber laminate, as a hydrogen storage for fuel cells.
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DE102019130278B4 (en) * 2019-11-11 2021-07-29 Audi Ag Process for the production of a pressure tank for the storage of fuel in a motor vehicle and the pressure tank produced therewith (II)
DE102019130276B4 (en) * 2019-11-11 2021-08-19 Audi Ag Process for the production of a pressure tank for the storage of fuel in a motor vehicle and a pressure tank produced therewith
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