EP1447613B1 - Réservoir à gaz - Google Patents

Réservoir à gaz Download PDF

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Publication number
EP1447613B1
EP1447613B1 EP04450029A EP04450029A EP1447613B1 EP 1447613 B1 EP1447613 B1 EP 1447613B1 EP 04450029 A EP04450029 A EP 04450029A EP 04450029 A EP04450029 A EP 04450029A EP 1447613 B1 EP1447613 B1 EP 1447613B1
Authority
EP
European Patent Office
Prior art keywords
gas
outer membrane
membrane
reservoir according
entry holes
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
EP04450029A
Other languages
German (de)
English (en)
Other versions
EP1447613A2 (fr
EP1447613A3 (fr
Inventor
Karl Klien
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.)
Sattler AG
Original Assignee
Sattler AG
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 Sattler AG filed Critical Sattler AG
Publication of EP1447613A2 publication Critical patent/EP1447613A2/fr
Publication of EP1447613A3 publication Critical patent/EP1447613A3/fr
Application granted granted Critical
Publication of EP1447613B1 publication Critical patent/EP1447613B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17B—GAS-HOLDERS OF VARIABLE CAPACITY
    • F17B1/00—Gas-holders of variable capacity
    • F17B1/24—Gas-holders of variable capacity of dry type
    • F17B1/26—Gas-holders of variable capacity of dry type with flexible walls, e.g. bellows

Definitions

  • the invention relates to a gas accumulator having a flexible inner membrane and a flexible outer membrane at least partially surrounding it, wherein the inner membrane closes a variable gas storage space, into and out of the inlet and outlet lines to be stored gas is introduced or derivable, and wherein auxiliary gas is introduced via a feed device in the space formed between the inner membrane and the outer membrane.
  • a gas storage of this kind is eg from the AT 391 181 B and serves for the intermediate storage of a gas that can be introduced from at least one gas generator in the gas storage and can be removed from at least one gas consumer from this.
  • a gas that can be introduced from at least one gas generator in the gas storage and can be removed from at least one gas consumer from this.
  • an independent energy supply for example, in gas production by biological processes that run about in the agricultural sector, of course, be guaranteed.
  • the introduction of an auxiliary gas, for example air, into the space between the inner and outer membrane for pressurizing the gas stored in the inner membrane takes place via a dome-shaped steel connecting piece arranged at the highest point of the outer membrane, which has a considerable inherent weight.
  • the steel stub proposes together with the feeder, for example, a supply line for the Auxiliary gas, with which it is connected, against the outer membrane and the inner membrane or causes Walk movements of the membranes, causing damage and thus a reduction in the life of the gas storage or even leaks that cause leakage of the gas to be stored or the auxiliary gas result can.
  • the object of the invention is therefore to provide a gas storage of the type mentioned specify, with the damage to the outer membrane and to the inner membrane, in particular due to external weather or due to an interruption of the power supply can be largely avoided.
  • this is achieved by providing a feed channel extending along the inside or outside of the outer membrane for introducing the auxiliary gas into the intermediate space, which feed channel is connected on the input side to the feed device.
  • the supplied auxiliary gas can be distributed over a larger area in the space between the outer and inner membrane, without causing a punctiform load on the outer membrane, which may have a detrimental effect on their life.
  • At least a portion of the outer membrane is provided with a plurality of spaced apart gas inlet holes, which are in communication with the arranged on the outside of the outer membrane feed channel, which in turn is connected to the supply device for the auxiliary gas and covering the area with the gas entry holes.
  • An essential advantage of the aforementioned embodiment of the gas reservoir according to the invention over the known gas storage is the direct introduction of the auxiliary gas via a plurality of recessed in the outer membrane holes without the aid of connecting pieces.
  • the arranged on the outside of the outer membrane feed channel can be designed with a relatively low weight and still flexible, so that in strong wind, rain or a pressure drop in the space no outer membrane affecting or damaging forces or torques arise.
  • the distributed over several holes Initiation of the auxiliary gas is distinguished from a punctiform in that the intended regulation of the pressure in the inner membrane takes much shorter control times.
  • the feed channel can also be arranged on the inside of the outer membrane.
  • the feed channel can also be arranged on the inside of the outer membrane.
  • the outer membrane of the gas reservoir according to the invention may be composed of several segments, which are joined together along their longitudinal sides, preferably welded, so that the outer membrane in the inflated state has a hollow spherical shape.
  • the wall of the feed channel is formed by a flexible surface element which is at least partially connected along its boundary with the outer membrane, so that the channel space formed between the outer membrane and the flexible sheet member is sealed against the environment gas-tight and communicates with the gap via the gas entry holes.
  • the flexible surface element forms the sealing supply channel for the introduction of the auxiliary gas in the space between the outer membrane and inner membrane, which has neither edges still represents a punctiform acting stress that could cause damage to the outer membrane in wind or precipitation.
  • the gas inlet holes along a length circle of the inflated state outer membrane can be arranged. To this Way reaches the incoming auxiliary gas over the entire height of the outer membrane in the intermediate space and there is a rapid compensation of within the gap temporarily existing pressure differences.
  • the outer membrane is subdivided into largely equal, congruent segments anyway, it may be advantageous to form the flexible planar element in a similar form and of the same material as an outer membrane segment and to connect it to one of these segments of the outer membrane.
  • the boundary of the flexible surface element on the outer membrane at least partially connected to the edges of one of the outer membrane segments, preferably welded, be.
  • a suitable introduction of the auxiliary gas into the feed channel can take place via a position in the flexible surface element, wherein according to a further embodiment of the invention in the flexible surface element, a connection opening can be excluded, which is connectable to a connection piece connected to the supply device.
  • the shape or size of the connection opening may vary depending on the connection piece, preferably a laminar inflow through the connection opening should be ensured.
  • a convenient attachment of the connection piece on the flexible surface element is given for static reasons near the ground.
  • the pressure forces acting on the gas entry holes can be arranged so that the gas inlet holes run along the longitudinal center line of the outer membrane segment connected to the flexible planar element in order to ensure that the connection points between the outer membrane segments are as uniform as possible.
  • reinforcement or stiffening of the gas entry holes may be necessary to avoid overstressing thereof, which can be achieved by forming a cross-shaped ridge inside each of the gas entry holes such that each of the gas entry holes is composed of four, arranged around the cross-shaped web, quarter-circle-shaped partial holes is composed.
  • gas storage is a flexible inner membrane 2, which closes a variable gas storage space 11, partially surrounded by a flexible outer membrane 1.
  • materials for the outer membrane 1 and the inner membrane plastic or rubber films, coated textile substrates, eg PVC-coated fabric or the like can be used. Any other type of flexible sheath may also be used for this purpose, provided it meets the tightness and strength requirements.
  • Both the outer membrane 1 and the inner membrane 2 are downwards open and their lower edges by corresponding clamping devices 27 on a foundation 29 sealed against the environment fixed, as from the left, broken half of the gas storage in Fig.2 it can be seen, wherein the lower edge of the outer membrane 1 and the lower edge of the inner membrane 2 are concentric and spaced apart along their circumference. Opposite the bottom of the variable gas storage space 11 is sealed by a non-descript, gas-tight bottom membrane, so that no leakage losses can occur and no combustible gas from the variable storage space 11 can escape to the outside.
  • the inner membrane 11 and the outer membrane 12 are matched to each other so that a gap 8 is formed between them, in which an auxiliary gas, preferably air, via a supply device 16 under pressure, e.g. can be introduced by means of compressed air device, so as to exert a back pressure against the pressure prevailing in the interior of the inner membrane 2 gas pressure and to protect them from overstretching.
  • the feed device 16 may be a feed line, but it may also be a block-like arrangement are selected in which the printing device directly introduces the auxiliary gas or air without connecting line.
  • the outer membrane 1 does not have to be absolutely impermeable to the environment, since escaping auxiliary gas, in particular air, is continuously compensated by pressurization.
  • the gas to be stored in the variable gas storage chamber 11 is introduced or removed from this, so depending on the degree of filling the gas storage space 11 upwardly final inner membrane 2 forms an irregular curved surface like this in Fig.1 is indicated to the left of the midline, or inflates and then assumes a balloon-like shape.
  • the outer membrane 1 Due to the overpressure in the intermediate space 8, the outer membrane 1 can be kept dimensionally stable within wide limits. A wind pressure acting on the outer membrane 1 or e.g. a snow load thus remain without significant influence on the gas pressure in the variable gas storage space eleventh
  • a Distance measuring device 28 is arranged at the uppermost point of the outer membrane 1, via which the respective distance between the inner membrane 2 and the outer membrane 1 is converted at this point into a measuring signal and passed on to a control device, not shown.
  • a safety valve 20 in the inlet and outlet 22, 24 is arranged to dissipate excess gas.
  • the outer membrane 1 is composed in the same way as the inner membrane 2 of several segments 4, which are connected together along their longitudinal sides, preferably welded, are, so that the outer membrane 1 in the inflated state has a balloon-like, hollow spherical shape.
  • the connection of the segments can also be performed by gluing, sewing or the like.
  • Down towards the interconnected segments 4 together form an edge which is clamped by means of the clamping means 27 on the foundation 29.
  • the tapered segments 4 converge at a point or in an opening into which the distance measuring device 28 is inserted.
  • the structure of the outer membrane 1 and the inner membrane 2 and the materials used therefor, as well as the attachment of the membranes to the substrate may vary within the scope of the invention.
  • Air is preferably used as auxiliary gas, although other gases, for example inert gases, could also be used.
  • Auxiliary gas is therefore understood to mean any type of gas or gas mixture suitable for the purpose of interstitial filling.
  • the introduction of the auxiliary gas in the outer membrane 1 in only one place, as was customary up to now, has the disadvantage that the required air inlet is relatively heavy and due to its weight adverse effects on the Life of the outer membrane 1 has.
  • a feed channel 9 extending along the inside or outside of the outer membrane 1 is provided for introducing the auxiliary gas into the intermediate space 8, which feed channel 9 is connected on the input side to the feed device 16.
  • the outer membrane 1 is provided with a plurality of spaced-apart gas inlet holes 7, which are in communication with the feed channel 9 located on the outer side of the outer membrane 1, which in turn is connected on the input side to the auxiliary gas supply means 16 and which the area covered with the gas inlet holes 7.
  • the auxiliary gas or the air can flow over a larger area of the outer membrane 1 distributed without inlet devices and the feed channel 9 allows the uniform admission of these gas inlet holes 7 with air.
  • FIG Figure 3 A schematic representation of the gas inlet holes 7 and the flexible surface element 3 is shown in FIG Figure 3 shown in which a, for example rectangular connection opening 40 is excluded, which is connectable to a connected to the feeder 16 connecting piece 15, as shown Fig.1, 2 and 4 evident.
  • the flexible surface element 3 is dimensioned so that it inflates when pressurized by the supplied auxiliary gas and thus the channel space 19 is formed. It may be the channel space 19 but also be generated by other, as easy as possible channel walls.
  • the gas inlet holes 7 are arranged along a length circle of the inflated state outer membrane 1, but may be arranged in any pattern. It is essential as uniform as possible introduction of the auxiliary gas or the air into the intermediate space 8 in order to ensure a completely symmetrical pressurization of the inner membrane 2.
  • the gas inlet holes 7 in one of the outer membrane segments 4 and the remaining outer membrane segments 4 are realized.
  • the boundary of the flexible surface element 3 is connected on the outer membrane 1 with the longitudinal edges 31 of the one outer membrane segment 4, preferably welded, as in Figure 4 shown.
  • the gas inlet holes 7 extend along the longitudinal center line of the outer membrane segment 4 connected to the flexible surface element 3.
  • the gas inlet holes 7 of in Fig.1 to 4 embodiment shown are formed substantially circular.
  • a reinforced by a cross-shaped web 74 embodiment of a gas inlet hole 7 is in Fig. 5 shown, which is composed of four, arranged around the cross-shaped ridge 74, quarter-circular part-holes 70 composed.
  • a check valve 61 is used, which prevents backflow of the auxiliary gas or the air from the gap 8 and thus the pressure in the space 8 without ongoing compressed air device is maintained.
  • the supply device 16 is connected via the check valve 61, the supply channel 9 and the gas inlet holes 7 with the gap 8, as shown in FIG Figure 6 is shown schematically. Furthermore, between the check valve 61 and the gap 8, an overpressure valve 62 is arranged, which connects the gap 8 with the environment when a predeterminable pressure is exceeded until the overpressure is compensated. This avoids excessive stress on the outer membrane 1 due to the pressure prevailing in the intermediate space 8.
  • the arrangement with the check valve 61 and the overpressure valve 62 can also be used in a gas accumulator according to the prior art, as shown in the in FIG Figure 7 embodiment shown is realized.
  • the check valve 61 is connected via a connecting piece 59 directly to the intermediate space 8.
  • the overpressure valve 62 may be connected between the check valve 61 and the gap 8. The arrangement of the check valve 61 and the overpressure valve 62 is therefore applicable regardless of the type of auxiliary gas supply into the gap 8.

Landscapes

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

Claims (10)

  1. Réservoir de gaz avec une membrane intérieure flexible (2) et une membrane extérieure flexible (1) qui est mise autour au moins une partie de ladite membrane intérieure (2), ladite membrane intérieure (2) enfermant un espace (11) de stockage de gaz dans lequel le gaz à stocker peut être introduit via des conduites d'alimentation (22, 24) et duquel ledit gaz peut être évacué via des conduites d'évacuation (22, 24), et un gaz auxiliaire pouvant être introduit dans l'espace (8) entre ladite membrane intérieure (2) et ladite membrane extérieure (1) par un dispositif d'alimentation (16), caractérisé en ce qu'un canal d'alimentation (9) qui s'étend le long de l'intérieur ou l'extérieur de la membrane extérieure (1) pour introduire ledit gaz auxiliaire dans ladite espace (8) est pourvu, ledit canal d'alimentation (9) étant relié audit dispositif d'alimentation (16) à son bout d'entrée.
  2. Réservoir selon la revendication 1, caractérisé en ce qu'au moins une partie de la membrane extérieure (1) est pourvue de plusieurs trous d'entrée de gaz (7) écartés qui sont reliés audit canal d'alimentation (9) disposé à l'extérieur de la membrane extérieure (1) qui, à son tour, est relié au dispositif d'alimentation (16) du gaz auxiliaire et qui couvre le domaine avec lesdits trous d'entrée de gaz (7).
  3. Réservoir selon la revendication 2, caractérisé en ce que la membrane extérieure (1), de manière connue en soi, est assemblée de plusieurs segments (4) qui sont reliés, de préférence soudés, le long de leurs côtés longitudinaux, ainsi que la membrane extérieure (1), à l'état gonflé, a la forme d'une sphère creuse.
  4. Réservoir selon la revendication 2 ou 3, caractérisé en ce que la paroi du canal d'alimentation (9) est formée par un élément de surface (3) flexible qui, le long de son bord, est relié à la membrane extérieure (1), ainsi que l'espace (19) du canal formée entre la membrane extérieure (1) et ledit élément de surface (3) flexible est rendue étanche au gaz par rapport à l'ambiance et, via les trous d'entrée de gaz (7), se trouve en communication avec l'espace (8).
  5. Réservoir selon l'une des revendications 2, 3 ou 4, caractérisé en ce que les trous d'entrée de gaz (7) sont disposés le long d'un méridien de la membrane extérieure (1) gonflée.
  6. Réservoir selon la revendication 4 ou 5, caractérisé en ce que le bord de l'élément de surface (3) flexible sur la membrane extérieure (1) est relié, de préférence soudé, aux bords (31) d'un des segments (4) de la membrane extérieure.
  7. Réservoir selon l'une des revendications 4, 5 ou 6, caractérisé en ce qu'un orifice de raccordement (40), qui peut être relié à un raccord (15) qui est relié au dispositif d'alimentation (7), est pourvu dans ledit élément de surface (3) flexible.
  8. Réservoir selon l'une des revendications 5, 6 ou 7, caractérisé en ce que les trous d'entrée de gaz (7) s'étendent le long de la ligne centrale longitudinale du segment (4) de la membrane extérieure qui est relié à l'élément de surface (3) flexible.
  9. Réservoir selon l'une des revendications précédentes, caractérisé en ce que les trous d'entrée de gaz (7) sont sensiblement circulaire.
  10. Réservoir selon la revendication 9, caractérisé en ce qu'une âme (74) en forme de croix est formée dans chacun des trous d'entrée de gaz (7), ainsi que chacun des trous d'entrée de gaz (7) consiste en quatre trous partiels (70) en forme de quarts de cercle qui sont disposés autour de ladite âme (74) en forme de croix.
EP04450029A 2003-02-17 2004-02-16 Réservoir à gaz Expired - Lifetime EP1447613B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2312003 2003-02-17
AT0023103A AT412116B (de) 2003-02-17 2003-02-17 Gasspeicher

Publications (3)

Publication Number Publication Date
EP1447613A2 EP1447613A2 (fr) 2004-08-18
EP1447613A3 EP1447613A3 (fr) 2009-01-21
EP1447613B1 true EP1447613B1 (fr) 2011-08-10

Family

ID=31192760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04450029A Expired - Lifetime EP1447613B1 (fr) 2003-02-17 2004-02-16 Réservoir à gaz

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Country Link
EP (1) EP1447613B1 (fr)
AT (2) AT412116B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746385A2 (fr) 2012-12-21 2014-06-25 JOPE Beteiligungs GmbH Plafond à double membrane
DE102012112935A1 (de) 2012-12-21 2014-06-26 JOPE Beteiligungs GmbH Tragluftdach
EP3885638A1 (fr) 2020-03-27 2021-09-29 AGROTEL GmbH Accumulateur de gaz

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8770219B2 (en) 2008-11-15 2014-07-08 Mt-Energie Gmbh Device and method for regulating the gas supply or the gas transport in a gas storage system
EP2634257B1 (fr) 2012-02-29 2018-09-26 Kompoferm GmbH Procédé de fermentation de biomasse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353790A1 (fr) * 1976-06-01 1977-12-30 Aerazur Constr Aeronaut Structure gonflable pour le stockage de gaz
AT388158B (de) * 1985-01-21 1989-05-10 Sattler Textilwerke Gasspeicher
AT391181B (de) * 1988-03-17 1990-08-27 Sattler Textilwerke Gasspeicher
IT1219578B (it) * 1988-05-06 1990-05-18 Enea Contenitore per gas a pressione costante al variare del contenuto,particolarmente adatto per l' accumulo di biogas generato da liquami e ammassi solidi
FR2766255B3 (fr) * 1997-07-18 1999-09-17 Tech Michel Brochier Sa Dispositif de stockage pour gaz, notamment biogaz

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746385A2 (fr) 2012-12-21 2014-06-25 JOPE Beteiligungs GmbH Plafond à double membrane
DE102012112935A1 (de) 2012-12-21 2014-06-26 JOPE Beteiligungs GmbH Tragluftdach
EP3885638A1 (fr) 2020-03-27 2021-09-29 AGROTEL GmbH Accumulateur de gaz

Also Published As

Publication number Publication date
ATE519985T1 (de) 2011-08-15
AT412116B (de) 2004-09-27
EP1447613A2 (fr) 2004-08-18
ATA2312003A (de) 2004-02-15
EP1447613A3 (fr) 2009-01-21

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