EP2236906A1 - Druckbehälter mit einem Flansch der mit einem Handgriff vorgesehen ist - Google Patents

Druckbehälter mit einem Flansch der mit einem Handgriff vorgesehen ist Download PDF

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Publication number
EP2236906A1
EP2236906A1 EP10158384A EP10158384A EP2236906A1 EP 2236906 A1 EP2236906 A1 EP 2236906A1 EP 10158384 A EP10158384 A EP 10158384A EP 10158384 A EP10158384 A EP 10158384A EP 2236906 A1 EP2236906 A1 EP 2236906A1
Authority
EP
European Patent Office
Prior art keywords
gas cylinder
flange
gas
handle
pressure vessel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10158384A
Other languages
English (en)
French (fr)
Other versions
EP2236906B1 (de
Inventor
Dirk Seminck
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.)
Seminck Gas NV
Original Assignee
Seminck Gas NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seminck Gas NV filed Critical Seminck Gas NV
Publication of EP2236906A1 publication Critical patent/EP2236906A1/de
Application granted granted Critical
Publication of EP2236906B1 publication Critical patent/EP2236906B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels
    • F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
    • 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
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F17C2205/0165—Details of mounting arrangements for transport with handgrip
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • 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
    • F17C2221/035—Propane butane, 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
    • F17C2223/033—Small pressure, e.g. for liquefied gas

Definitions

  • the present invention relates to a pressure vessel, in particular a gas cylinder. More in particular, the invention relates to a base ring or the flange of the pressure vessel.
  • gasses An important physical property of gasses in general is the fact that they are compressible. Hence, storage of gasses is usually done at elevated pressure. The advantage of such storage is that a large amount of gas, hence a large initial volume of gas, can be compressed and stored into a small volume. Depending of the physicochemical properties of the gas, in particular the vapour pressure and the boiling point associated therewith, compressed gasses may become liquid at a given temperature. Apart from compressed gasses (for example oxygen or nitrogen), and gasses liquefied under pressure (for example propane or chlorine), there is also the option to store gasses under pressure in a dissolved state (for example acetylene dissolved into an acetone- saturated solvent).
  • compressed gasses for example oxygen or nitrogen
  • gasses liquefied under pressure for example propane or chlorine
  • the storage units For storing of gasses at elevated pressure, the storage units should comply to certain demands. First of all, the storage units should be resistant to elevated pressure. In general, such storage units are called pressure vessels. These (sealable) pressure vessels are filled with the gas, wherein the maximum pressure is variable, depending on the type of pressure vessel. In general, the maximum pressure may be as much as a multiple of several hundred times the atmospheric pressure. Apart from the resistance to elevated pressure, the choice of material for a pressure vessel is determined by the type of gas that needs to be stored. The pressure vessel should be chemically inert with respect to the stored gas. In other words, the stored gas may not impair the pressure vessel (e.g. corrosion), which would present a considerable risk of leakage. Therefore, most pressure vessels are manufactured from steel or aluminium, but use is also made of different composite materials with a very high strength.
  • a further structural characteristic that aids in the resistance to elevated pressure is the shape of the pressure vessel.
  • pressure vessels have a cylindrical shape, wherein the cylinder is closed at both ends with convex-formed end caps (mostly with a hemispherical, ellipsoidal or torispherical shape).
  • convex-formed end caps mostly with a hemispherical, ellipsoidal or torispherical shape.
  • Such handles allow to move the pressure vessel in an upright position.
  • pressure vessels are usually elongated cylinders
  • transportation by means of one or more handles at the top is very clumsy.
  • the carrier hindered when walking, often there is a lack of overview, such that safety is compromised.
  • such way of transportation is not very ergonomic and may lead to back and/or other physical complaints. Combined with the in general high weight of a pressure vessel and the potential explosive force by the enormous pressure in the pressure vessel, this may lead to a considerable safety risk.
  • the invention provides a structural modification of the flange, such that the safety risks, both to the environment and to the carrier are considerably reduced.
  • the present invention related to a flange and a pressure vessel provided with such a flange.
  • a pressure vessel is usually provided with a flange to provide a stable base.
  • the invention relates to the provision of at least one handle to such a flange.
  • the handle is integrated into the flange and is designed such that it can be completely enclosed by a hand for a firm grip.
  • the flange is provided with a recess such that an opening is formed between the flange and the gas storage unit, which opening is sufficiently large to be enclosed by a hand.
  • the top end of the pressure vessel, the end which is provided with a gas discharge opening, is also provided with at least one handle.
  • the handles on the top and on the flange are mutually in line with each other, such that the pressure vessel can easily manually be transported.
  • the present invention is an improvement of the already known embodiments of pressure vessels, since it facilitates the transport of such pressure vessels. Furthermore, the invention provides a more safe and ergonomic way of transportation.
  • a pressure vessel is a sealable container, designed to store gasses or liquids at an elevated pressure, compared to the atmospheric or ambient pressure.
  • pressure vessels are rounded cylindrical containers such as, among others, gas cylinders, gas containers, gas canister, gas bottle.
  • a flange is meant to be a base or base ring, suitable to be fitted to the bottom side or base with regard to the longitudinal axis of a pressure vessel, in order to provide the pressure vessel with the necessary stability.
  • a flange is usually a hollow ring-like or cylindrical structure with a flat bottom. The height of the flange is variable, but is preferably not more than 10 cm.
  • the top of the flange is usually welded to the pressure vessel.
  • the flange can be welded all around, but more preferably, the flange is welded to the pressure vessel via discrete contact points. Also, other fastening techniques, such as the shrinkage technique are options.
  • handle is meant to be a means allowing an object to be gripped by hand.
  • the handle is fixed to or integrated with the object and can be enclosed by a hand.
  • a handle is also meant a grip, hilt, hold, butt, lever, ear, hinge, button, crank, latch, bracket, holding device, support, mounting, band, strap.
  • Such preferred embodiment comprises a gas cylinder provided with a flange provided with a handle.
  • propane or butane gas cylinders are used with a content between 10 and 20 kg, more preferably about 15 kg (plus or minus 2 kg).
  • the height of the gas cylinder is between 50 and 100 cm, and more preferably about 75 cm (plus or minus 10 cm).
  • the diameter of the gas cylinder is between 20 and 50 cm, and more preferably about 35 cm (plus or minus 7 cm).
  • the gas cylinder (1) consists of a gas storage unit (2) which is provided with a flange (3).
  • the gas storage unit (2) is a cylindrical-shaped container provided with convex closed end caps. In vertical position, the top cap of the gas storage unit (2) is provided with a gas discharge opening.
  • the gas storage unit (2) is sealable and can be provided with a gas discharge valve (20) and a pressure regulator (21).
  • a protective cover (9) can be provided to prevent the gas discharge valve (20) from being damaged.
  • the flange (3) is provided at the base (the bottom end relative to the longitudinal axis of the pressure vessel) of the gas storage unit (2).
  • the flange (3) provides the necessary stability to the gas storage unit (2) by its flat bottom and also offers some protection to the convex end of the gas storage unit (2).
  • the flange (3) has a ring-shaped or hollow cylindrical structure, wherein the diameter (17) of the flange (3) is usually as large as the diameter (15) of the gas storage unit (2). Such embodiment leads to a minimal loss of space.
  • the flange (3) is welded on several points (4) to the gas storage unit (2).
  • the flange (3) may also be connected to the gas storage unit (2) by the shrinkage technique or any other common technique.
  • the present invention is characterized by the presence of at least one handle (5) on the flange (3), there where on the prior art pressure vessels (1') no handle is found on the flange (3'). If multiple handles (5) are provided on the flange (3), preferably, they are provided symmetrically.
  • the handle (5) forms an integral part of the flange (3).
  • the flange (3) and handle (5) are manufactured from the same piece of base material and together, they form a whole.
  • the advantage thereof is that there are no protruding parts present on the flange (3) and the flange (3) with handle (5) has a compact structure and does not require extra space. Furthermore, less material is required for manufacturing the flange (3) and handle (5) and the strength of such a structure is better warranted relative to a separate handle attached (e.g. welded) to the flange.
  • the handle is formed by providing the flange (3) at the top side with two notches (7) at a specified distance from each other, wherein the intermediary part (6) is curved inwardly.
  • the height (19) of the handle (5), as well as the width, are such that the handle (5) can be enclosed by a hand.
  • the height (19) of the handle (5) is usually smaller than the total height (18) of the flange (3).
  • the distance between the notches (7) is variable. In general, preferably this distance is minimum 5 cm, and more preferably minimum 10 cm, such that the handle (5) can be enclosed by a complete hand. Depending on the diameter (15, 17) of the gas storage unit (2) and the flange (3), and also the weight of the pressure vessel (2), the distance between the notches may be increased, such that the handle (5) is sufficiently large to optionally be enclosed with two hands.
  • the handle (5) can be formed by providing the top side of the flange with a recess, such that an opening (8) is formed between the gas storage unit (2) and the flange (3) having dimensions such that the flange (3) near the recess (8) can be enclosed by a hand.
  • the edges of the recess (8) may optionally be finished or adapted such that the contact area with the hand is increased. To this end, for example inserts or frames made of plastic can be provided.
  • the flange (3) may be provided with one or more openings.
  • such openings are provided centrally in the flange with respect to the height (18) of the flange (3), for example by punching.
  • the dimensions of the openings are such that the flat of a hand can be inserted into the opening, in order to enclose the flange by a hand.
  • the openings are about 10 cm wide and about 3 cm high.
  • the edges of the openings may optionally be finished or adapted such that the contact area with the hand is increased. To this end, for example inserts or frames made of plastic may be provided. Also, bending at least one of the edges is an option.
  • the pressure vessel (1) is further provided with one or more handles (10) at the top end of the gas storage unit (2).
  • This is the end which is also provided with a gas discharge opening and thus opposite to the end where the flange (3) is connected to the gas storage unit (2).
  • the handle on the top end (10) is provided in line with the handle on the flange (5), with respect to the longitudinal axis of the pressure vessel (1).
  • Both handles (5, 10) are located at the same side of the pressure vessel (1).
  • the handle at the top end (10) consists of two vertical side wall (11), which are connected with a horizontal central section (12), which central section is preferably provided with a plastic insert (13).
  • the handle at the top end (10) is welded to the gas storage unit (2).
  • the pressure vessel may be provided on the top end with a collar or ring, optionally a closed structure around the gas discharge opening, wherein a handle has been integrated.
  • Other common forms of handles are also an option.
  • the diameter (15) of a pressure vessel in general and a gas cylinder in particular is usually smaller than the height (16) of the pressure vessel.
  • pressure vessels usually have an elongated shape.
  • the known pressure vessels (1') are usually provided with one or more handles at the top end. These permit the pressure vessel to be transported manually.
  • the elongated shape of pressure vessels, as well as the usually heavy weight, lead to such a manual transport which is often clumsy, not ergonomic and often unsafe.
  • the present invention provides a solution by also providing the flange (3) at the base of the pressure vessel with a handle (5). This handle (5) permits to transport the pressure vessel manually and horizontally, which is - from an ergonomic point of view - more interesting by providing an improved weight balance with less load on the body of the carrier.
  • the carrier has an improved grip and the transport may be performed in a safer manner.
  • the pressure vessel may slip less quickly out of the hands of the carrier.
  • the rounded shape of the handle (5) contributes to the comfort (a larger contact area with the hand and hence, a less concentrated load) and hence, to the safety with manual transportation.
  • the handle (5) is integrated in the flange (3), such that a compact structure is formed and no additional external means need to be used for transportation.
  • An additional advantage of a pressure vessel (1) provided with a flange (3) with a handle (5) is that transportation can be done in a safe manner by two carriers, for example if the dimensions (in casu the length) or the weight of the pressure vessel (1) do not allow the transportation by one carrier.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP20100158384 2009-03-30 2010-03-30 Druckbehälter mit einem Flansch der mit einem Handgriff vorgesehen ist Not-in-force EP2236906B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2009/0198A BE1018707A3 (nl) 2009-03-30 2009-03-30 Drukvat met flens voorzien van handgreep.

Publications (2)

Publication Number Publication Date
EP2236906A1 true EP2236906A1 (de) 2010-10-06
EP2236906B1 EP2236906B1 (de) 2012-05-23

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ID=41211917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100158384 Not-in-force EP2236906B1 (de) 2009-03-30 2010-03-30 Druckbehälter mit einem Flansch der mit einem Handgriff vorgesehen ist

Country Status (2)

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EP (1) EP2236906B1 (de)
BE (1) BE1018707A3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456076A (zh) * 2014-12-07 2015-03-25 香志光 一种针对钢瓶底部易锈区域的防水防锈护具
WO2017151073A2 (en) * 2016-03-03 2017-09-08 Nilvichean Prateep Liquefied petroleum gas tank or pressure vessel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1564018A (de) * 1968-03-04 1969-04-18
DE3741628A1 (de) * 1987-12-04 1989-06-15 Mannesmann Ag Flasche mit konkavboden und verfahren zur herstellung desselben
EP0369522A2 (de) * 1988-11-17 1990-05-23 Shell Internationale Researchmaatschappij B.V. Schutzteil für eine Flüssiggasflasche
FR2829557A1 (fr) * 2001-09-10 2003-03-14 Gaz Liquifies Ind Ayant Pour S Dispositif de rehausse en vue du gerbage de bouteilles de gaz
EP1333223A1 (de) * 2002-01-19 2003-08-06 ALUGAS Vertriebszentrale GmbH Druckbehälter aus Aluminium
US20050269338A1 (en) * 2004-04-23 2005-12-08 Tiago Oliveira Hybrid pressure vessel with separable jacket
DE102004044259B3 (de) * 2004-09-14 2006-01-26 Hans-Walter Bodewein Flüssiggasflasche

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1564018A (de) * 1968-03-04 1969-04-18
DE3741628A1 (de) * 1987-12-04 1989-06-15 Mannesmann Ag Flasche mit konkavboden und verfahren zur herstellung desselben
EP0369522A2 (de) * 1988-11-17 1990-05-23 Shell Internationale Researchmaatschappij B.V. Schutzteil für eine Flüssiggasflasche
FR2829557A1 (fr) * 2001-09-10 2003-03-14 Gaz Liquifies Ind Ayant Pour S Dispositif de rehausse en vue du gerbage de bouteilles de gaz
EP1333223A1 (de) * 2002-01-19 2003-08-06 ALUGAS Vertriebszentrale GmbH Druckbehälter aus Aluminium
US20050269338A1 (en) * 2004-04-23 2005-12-08 Tiago Oliveira Hybrid pressure vessel with separable jacket
DE102004044259B3 (de) * 2004-09-14 2006-01-26 Hans-Walter Bodewein Flüssiggasflasche

Also Published As

Publication number Publication date
EP2236906B1 (de) 2012-05-23
BE1018707A3 (nl) 2011-07-05

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