EP0983470B1 - Partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases - Google Patents

Partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases Download PDF

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Publication number
EP0983470B1
EP0983470B1 EP98924269A EP98924269A EP0983470B1 EP 0983470 B1 EP0983470 B1 EP 0983470B1 EP 98924269 A EP98924269 A EP 98924269A EP 98924269 A EP98924269 A EP 98924269A EP 0983470 B1 EP0983470 B1 EP 0983470B1
Authority
EP
European Patent Office
Prior art keywords
gas cylinder
composite
pressurized
liner
wall thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98924269A
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German (de)
French (fr)
Other versions
EP0983470A1 (en
Inventor
Klaus Markhoff
Martin Kesten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide Deutschland GmbH
Original Assignee
Messer Griesheim GmbH
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Application filed by Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of EP0983470A1 publication Critical patent/EP0983470A1/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
    • 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
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0123—Shape cylindrical with variable thickness or diameter
    • 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
    • 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
    • F17C2203/0639—Steels
    • F17C2203/0643—Stainless 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
    • F17C2203/0658—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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2154—Winding
    • 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
    • F17C2209/2172—Polishing
    • 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
    • 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
    • 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
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/048—Refurbishing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49716—Converting
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49751—Scrap recovering or utilizing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/306664—Milling including means to infeed rotary cutter toward work
    • Y10T409/30756—Machining arcuate surface

Definitions

  • the invention relates to a composite gas bottle and a method for the same manufacturing
  • TRG compressed gases
  • pressurized gas containers are steel and gas cylinders Aluminum for compressed, liquefied or dissolved gases with a maximum Filling pressure up to 200 bar. Pressurized gas containers are becoming increasingly popular with a maximum filling pressure of up to 300 bar. This 300 bar pressure gas container are also made of steel or aluminum. For Special applications also come in corrosion-resistant stainless steel (DE 37 36 579 A1) for use.
  • Compound gas cylinders consist of a natural metal liner, which over a substantial part of its length with composite fibers made of glass, carbon, Aramid or wire is wrapped.
  • Organic fibers are made from aramid understood polyphenylene terphlalamide, which include Kevlar and Twaron.
  • Aramid and carbon fibers are lighter than glass fibers, with the same or higher strength properties and good impact strength. (see e.g. DE- 31 03 646)
  • Such composite gas cylinders are expensive to manufacture.
  • at Filling of all technically possible types of gas into 300 bar compressed gas cylinders there is high disposal potential for used 200 bar compressed gas cylinders.
  • the invention has for its object to provide a composite gas bottle, the can be produced much cheaper.
  • a gas cylinder known per se made of metal preferably a compressed gas cylinder made of steel
  • the on known gas cylinder has a gas content of 1 to 150 liters at one Filling pressure from 150 to 200 bar.
  • Many can be in circulation Pressurized gas cylinders that are otherwise disposed of are used, d. H. would have to be scrapped. This saves resources and emissions because fewer compressed gas cylinders have to be manufactured.
  • the well-known compressed gas bottle as used by the gas manufacturers Transport of gases and gas mixtures used in liquid or dissolved form is only reduced in wall thickness over a substantial part of its length to be suitable as a liner for a compound gas bottle for 300 bar filling pressure his.
  • the major part of its length is cylindrical, which is a simple machining. Machining is carried out in essentially the manufacturing processes turning, planing, milling and grinding Roger that. Other manufacturing processes, especially forming by drawing or presses are not excluded by the invention.
  • a known gas cylinder is provided as a liner
  • the Wall thickness of the cylindrical part of the known pressure gas bottle with a sensor is detected and a control of a tool as an actual value is fed.
  • the actual value detected by the sensor is used as a control signal.
  • a cutting tool is moved along the cylindrical part.
  • the Tool bears the wall thickness of the known gas cylinder on the cylindrical part until the mathematically depending on the Compressed gas cylinder material determined setpoint is reached.
  • the known compressed gas cylinder consists of the materials plastic, Steel, stainless steel or aluminum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pens And Brushes (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Colloid Chemistry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Catching Or Destruction (AREA)
  • Nonwoven Fabrics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Turning (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The invention relates to the partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases as a liner for a composite cylinder. This enables production costs of a composite cylinder to be reduced by 1/3 when compared to the costs arising from the production of a new composite cylinder using current manufacturing technologies.

Description

Die Erfindung betrifft eine Verbundgasflasche und ein Verfahren fĂĽr deren HerstellungThe invention relates to a composite gas bottle and a method for the same manufacturing

Gase und Gasgemische werden in der Regel in Druckgasbehältern gelagert und transportiert. Nach der Druckbehälterverordnung sind dies Behälter, in denen bei 15°C ein höherer Überdruck als 1 bar entstehen kann. Über den Stand der Sicherheitstechnik hinsichtlich Werkstoff, Herstellung, Berechnung, Ausrüstung, Kennzeichnung, Prüfung und Betrieb der Druckgasbehälter sowie Errichtung, Prüfung und Betrieb der Füllanlagen geben die technischen Regeln Druckgase (TRG) Auskunft. Die TRG unterscheiden Gase und Gasgemische nach ihrem chemischen und physikalischen Verhalten und legen die zu verwendenden Druckgasbehälter einschließlich ihrer Ausrüstungsteile, deren Prüffristen, die Füllfaktoren und Fülldrücke fest.Gases and gas mixtures are usually stored in pressurized gas containers transported. According to the Pressure Vessel Ordinance, these are vessels in which 15 ° C a higher pressure than 1 bar can arise. About the state of the Safety technology with regard to material, manufacture, calculation, equipment, Labeling, testing and operation of the compressed gas tanks and erection, The testing and operation of the filling systems give the technical rules for compressed gases (TRG) information. The TRG differentiate gases and gas mixtures according to their chemical and physical behavior and specify the ones to be used Pressurized gas containers including their equipment, their inspection periods, the Fill factors and fill pressures.

Die gebräuchlichsten Druckgasbehälter sind Druckgasflaschen aus Stahl und Aluminium für verdichtete, verflüssigte oder gelöste Gase mit einem maximalen Flülldruck bis 200 bar. Zunehmend werden von den Anwendern Druckgasbehälter mit einem maximalen Fülldruck bis 300 bar verlangt. Diese 300 bar-Druckgasbehälter werden ebenfalls aus Stahl oder Aluminium gefertigt. Für besondere Anwendungsfälle kommt auch korrosionsbeständiger Edelstahl (DE 37 36 579 A1) zum Einsatz.The most common pressurized gas containers are steel and gas cylinders Aluminum for compressed, liquefied or dissolved gases with a maximum Filling pressure up to 200 bar. Pressurized gas containers are becoming increasingly popular with a maximum filling pressure of up to 300 bar. This 300 bar pressure gas container are also made of steel or aluminum. For Special applications also come in corrosion-resistant stainless steel (DE 37 36 579 A1) for use.

Um das Gewicht derartiger 300 bar-Druckgasflaschen zu verringern, werden in neuerer Zeit Verbundgasflaschen (Composite Flaschen) von den Gaseherstellern eingesetzt. Verbundgasflaschen bestehen aus einem natlosen Metallliner, welcher über einen wesentlichen Teil seiner Länge mit Verbundfasem aus Glas, Kohlenstoff, Aramid oder Draht umwickelt ist. Unter Aramid werden organische Fasern aus poly phenylene terphlalamid verstanden, welche Kevlar und Twaron einschließen. In order to reduce the weight of such 300 bar compressed gas cylinders, in more recently composite gas bottles from the gas manufacturers used. Compound gas cylinders consist of a natural metal liner, which over a substantial part of its length with composite fibers made of glass, carbon, Aramid or wire is wrapped. Organic fibers are made from aramid understood polyphenylene terphlalamide, which include Kevlar and Twaron.

Aramid- und Kohle-Fasern sind leichter als Fasern aus Glas, mit gleichen oder höheren Festigkeitseigenschaften und guter Schlagzähigkeit. (siehe z. Bsp. DE- 31 03 646)Aramid and carbon fibers are lighter than glass fibers, with the same or higher strength properties and good impact strength. (see e.g. DE- 31 03 646)

Derartige Verbundgasflaschen sind in der Herstellung teuer. Hinzu kommt, daß bei Abfüllung aller heute technisch möglichen Gasarten in 300 bar Druckgasflaschen ein hohes Entsorgungspotential für gebrauchte 200 bar-Druckgasflaschen besteht.Such composite gas cylinders are expensive to manufacture. In addition, at Filling of all technically possible types of gas into 300 bar compressed gas cylinders there is high disposal potential for used 200 bar compressed gas cylinders.

Der Erfindung liegt die Aufgabe zugrunde, eine Verbundgasflasche zu schaffen, die wesentlich kostengĂĽnstiger hergestellt werden kann.The invention has for its object to provide a composite gas bottle, the can be produced much cheaper.

Diese Aufgabe wird erfindungsgemäß durch eine Verbundgasflasche mit den Merkmalen von Anspruch 1 und durch Verfahren mit den Merkmalen der Ansprüche 7 und 9 gelöst.This object is achieved by a composite gas bottle with the Features of claim 1 and by methods having the features of the claims 7 and 9 solved.

Vorteilhafte Weiterbildungen der Erfindung sind in den UnteransprĂĽchen angegeben.Advantageous developments of the invention are specified in the subclaims.

Es hat sich überraschend gezeigt, daß durch die Verwendung einer an sich bekannten Druckgasflasche, insbesondere einer an sich bekannten Druckgasflasche aus Metall, vorzugsweise einer Druckgasflasche aus Stahl, für verdichtete, verflüssigte oder gelöste Gase als Liner für eine Verbundgasflasche die Kosten für die Herstellung der Verbundgasflasche auf ca. 1/3 verringert werden können. Die an sich bekannte Druckgasflasche hat einen Gasinhalt von 1 bis 150 Liter bei einem Fülldruck von 150 bis 200 bar. Dabei können viele im Umlauf befindliche Druckgasflaschen weiterverwendet werden, die sonst entsorgt, d. h. verschrottet werden müßten. Dies spart Ressourcen und Emmissionen, da weniger Druckgasflaschen hergestellt werden müssen.It has surprisingly been found that by using one per se known gas cylinder, in particular a gas cylinder known per se made of metal, preferably a compressed gas cylinder made of steel, for compressed liquefied or dissolved gases as a liner for a compound gas bottle the cost of the production of the compound gas bottle can be reduced to about 1/3. The on known gas cylinder has a gas content of 1 to 150 liters at one Filling pressure from 150 to 200 bar. Many can be in circulation Pressurized gas cylinders that are otherwise disposed of are used, d. H. would have to be scrapped. This saves resources and emissions because fewer compressed gas cylinders have to be manufactured.

Die an sich bekannte Druckgasflasche, wie sie von den Gaseherstellern zum Transport der Gase und Gasgemische in flüssiger oder gelöster Form eingesetzt wird, muß nur über einen wesentlichen Teil ihrer Länge in ihrer Wanddicke verringert werden, um als Liner für eine Verbundgasflasche für 300 bar Fülldruck geeignet zu sein. Dabei ist der wesentliche Teil ihrer Länge zylindrisch ausgebildet, was eine spanende Bearbeitung einfach ermöglicht. Unter spanender Bearbeitung werden im wesentlichen die Fertigungsverfahren Drehen, Hobeln, Fräsen und Schleifen verstanden. Andere Fertigungsverfahren, insbesondere Umformen durch Ziehen oder Pressen, werden durch die Erfindung nicht ausgeschlossen.The well-known compressed gas bottle, as used by the gas manufacturers Transport of gases and gas mixtures used in liquid or dissolved form is only reduced in wall thickness over a substantial part of its length to be suitable as a liner for a compound gas bottle for 300 bar filling pressure his. The major part of its length is cylindrical, which is a simple machining. Machining is carried out in essentially the manufacturing processes turning, planing, milling and grinding Roger that. Other manufacturing processes, especially forming by drawing or presses are not excluded by the invention.

Ein besonders einfaches Verfahren zur Herstellung der Verbundgasflasche besteht darin, daß als Liner eine an sich bekannte Druckgasflasche bereitgestellt wird, die Wanddicke des zylindrischen Teils der an sich bekannten Druckgasflasche mit einem Sensor erfaßt wird und einer Steuerung eines Werkzeuges als Istwert zugeführt wird. Der vom Sensor erfaßte Istwert wird als Steuersignal verwendet. In Abhängigkeit von dem Istsignal und einem vorgegebenen Wanddicken Sollsignal wird ein spanendes Werkzeug entlang des zylindrischen Teils verfahren. Das Werkzeug trägt die Wanddicke der an sich bekannten Druckgasflasche auf dem zylindrischen Teil ab, bis der rechnerisch in Abhängigkeit von dem Druckgasflaschenwerkstoff ermittelte Sollwert erreicht ist.There is a particularly simple method for producing the composite gas bottle in that a known gas cylinder is provided as a liner, the Wall thickness of the cylindrical part of the known pressure gas bottle with a sensor is detected and a control of a tool as an actual value is fed. The actual value detected by the sensor is used as a control signal. In Dependence on the actual signal and a predetermined wall thickness target signal a cutting tool is moved along the cylindrical part. The Tool bears the wall thickness of the known gas cylinder on the cylindrical part until the mathematically depending on the Compressed gas cylinder material determined setpoint is reached.

Der Einsatz einer an sich bekannten Druckgasflasche, die ohne Verringerung der Wanddicke als Liner eingesetzt und deren Oberfläche mittels Sandstrahlen gereinigt ist, führt vorteilhaft zu Verbundgasflaschen mit einem Fülldruck von > 300 bar, nämlich ca. 470 bar bei einer an sich bekannten 200 bar Druckgasflasche aus Stahl. Diese an sich bekannte Druckgasflasche aus Stahl hat einen Berstdruck von ca. 600 bar.Dabei ist der Berstdruck des unbewickelten Liners gleich oder größer 85% des Prüfdruckes der bewickelten Verbundflasche. Daraus folgt 600 bar/0.85 = 705 bar Prüfdruck. Der Fülldruck der Verbundflasche berechnet sich aus Prüfdruck/1.5 = ca. 470 bar.The use of a known gas cylinder, without reducing the Wall thickness used as a liner and the surface cleaned by sandblasting leads advantageously to composite gas cylinders with a filling pressure of> 300 bar, namely about 470 bar in a known 200 bar steel pressure gas cylinder. This known steel pressure gas cylinder has a burst pressure of approx. 600 bar, where the bursting pressure of the unwrapped liner is equal to or greater than 85% the test pressure of the wound composite bottle. This results in 600 bar / 0.85 = 705 bar test pressure. The filling pressure of the compound bottle is calculated from the test pressure / 1.5 = approx. 470 bar.

Die an sich bekannte Druckgasflasche besteht aus den Werkstoffen Kunststoff, Stahl, Edelstahl oder Aluminium.The known compressed gas cylinder consists of the materials plastic, Steel, stainless steel or aluminum.

Claims (9)

  1. Composite gas cylinder which is designed for a high filling pressure and comprises a liner which is wrapped over an important part of its length with composite fibres, characterized in that the liner is a pressurized-gas cylinder for compressed, liquefied or dissolved gases that has been in circulation and is designed for a lower filling pressure.
  2. Composite gas cylinder according to Claim 1, characterized in that the pressurized-gas cylinder is reduced in its wall thickness over an important part of its length.
  3. Composite gas cylinder according to Claim 2, characterized in that the pressurized-gas cylinder is made cylindrical over the important part of its length.
  4. Composite gas cylinder according to Claim 2, characterized in that the wall thickness is produced by machining.
  5. Composite gas cylinder according to one of Claims 1 to 4, characterized in that the surface of the pressurized-gas cylinder is sandblasted.
  6. Composite gas cylinder according to one of Claims 1 to 5, characterized in that the pressurized-gas cylinder consists of the material plastic, steel, stainless steel or aluminium.
  7. Process for producing a composite gas cylinder by providing a liner which is wrapped over an important part of its length with composite fibres, characterized in that the liner provided is a pressurized-gas cylinder for compressed, liquefied or dissolved gases that has been in circulation and is surface-treated or machined over an important part of its length.
  8. Process according to Claim 7, characterized in that the pressurized-gas cylinder is machined cylindrically over an important part of its length, the wall thickness of the cylindrical part being determined by a sensor, and a cutting tool being moved along the cylindrical part as a function of the wall thickness determined and a preset wall thickness, the tool removing the difference between the determined wall thickness and the preset wall thickness.
  9. Process for producing a composite gas cylinder designed for a high filling pressure by providing a liner and wrapping the liner over an important part of its length with composite fibres, characterized in that the liner is a pressurized-gas cylinder for compressed, liquefied or dissolved gases that has been in circulation and is designed for a lower filling pressure.
EP98924269A 1997-05-20 1998-05-02 Partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases Expired - Lifetime EP0983470B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19721128 1997-05-20
DE19721128A DE19721128A1 (en) 1997-05-20 1997-05-20 Partial or complete use of a known compressed gas cylinder for compressed, liquefied or dissolved gases
PCT/EP1998/002603 WO1998053245A1 (en) 1997-05-20 1998-05-02 Partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases

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EP0983470A1 EP0983470A1 (en) 2000-03-08
EP0983470B1 true EP0983470B1 (en) 2002-08-07

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EP (1) EP0983470B1 (en)
JP (1) JP2001525913A (en)
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AT (1) ATE221973T1 (en)
AU (1) AU745651B2 (en)
BG (1) BG63923B1 (en)
BR (1) BR9809863A (en)
CA (1) CA2289076A1 (en)
CZ (1) CZ299964B6 (en)
DE (2) DE19721128A1 (en)
ES (1) ES2182314T3 (en)
HR (1) HRP980239B1 (en)
HU (1) HUP0002107A3 (en)
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NO (1) NO311458B1 (en)
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SK (1) SK283964B6 (en)
TR (1) TR199902824T2 (en)
UA (1) UA56232C2 (en)
WO (1) WO1998053245A1 (en)
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US6363597B1 (en) 2002-04-02
US20020070222A1 (en) 2002-06-13
NO995604D0 (en) 1999-11-15
DE19721128A1 (en) 1998-11-26
CZ299964B6 (en) 2009-01-07
CZ9904055A3 (en) 2001-02-14
KR20010020360A (en) 2001-03-15
EP0983470A1 (en) 2000-03-08
SK283964B6 (en) 2004-06-08
HRP980239B1 (en) 2003-04-30
HRP980239A2 (en) 1999-02-28
YU49371B (en) 2005-09-19
DE59805114D1 (en) 2002-09-12
BR9809863A (en) 2000-06-27
BG63923B1 (en) 2003-06-30
AU745651B2 (en) 2002-03-28
WO1998053245A1 (en) 1998-11-26
CN1257570A (en) 2000-06-21
CN1113182C (en) 2003-07-02
NO995604L (en) 1999-11-15
JP2001525913A (en) 2001-12-11
HUP0002107A2 (en) 2000-11-28
NO311458B1 (en) 2001-11-26
SK154699A3 (en) 2000-06-12
CA2289076A1 (en) 1998-11-26
ID22934A (en) 1999-12-16
AU7652298A (en) 1998-12-11
US6810567B2 (en) 2004-11-02
TR199902824T2 (en) 2000-02-21
PL194323B1 (en) 2007-05-31
ZA984129B (en) 1998-11-25
ATE221973T1 (en) 2002-08-15
YU53099A (en) 2001-12-26
HUP0002107A3 (en) 2001-01-29
BG103845A (en) 2000-05-31
UA56232C2 (en) 2003-05-15
ES2182314T3 (en) 2003-03-01
PL336904A1 (en) 2000-07-17

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