• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Pressurized fluid storage valve comprising a body (2) housing a fluid circuit (3) comprising a first end (4) intended to be connected with the orifice of at least one pressurized fluid storage (1), at least one second end (5) of withdrawal, at least one third end (6) filling, the second (5) and third (6) ends being connected to the first end (4) via respectively a branch (15) of withdrawal of the circuit (3) and a branch (16) for filling the circuit (3), the withdrawal branches (15) and filling (16) being connected in parallel to the first end (4) of the circuit and each comprising a valve assembly (s) and / or valves, characterized in that the circuit (3) comprises two distinct extraction ends (5) fluidly connected to the withdrawal branch (15) and opening onto the body (2) of the valve at level respectively of two separate orifices.
    公开号:FR3067094A1
    申请号:FR1754870
    申请日:2017-06-01
    公开日:2018-12-07
    发明作者:Adrien Zanoto；Thierry Ott；Yves Lacombe
    申请人:Air Liquide SA；LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude；
    IPC主号:
    专利说明:

    The invention relates to a tap, a pressurized gas storage and a corresponding filling station.
    The invention relates more particularly to a valve for storing pressurized fluid, in particular hydrogen gas, comprising a body housing a fluid circuit comprising a first end intended to be connected with the orifice of at least one fluid storage under pressure, at least a second withdrawal end intended to be connected to a receiving circuit to allow the supply of fluid withdrawn from the storage via the circuit, at least a third filling end intended to be connected to a source of pressurized gas to allow the filling of the storage via the circuit, the second and third ends being connected to the first end via respectively a branch for drawing off the circuit and a branch for filling the circuit, the branches for drawing off and filling being connected in parallel to the first end of the circuit and each comprising a valve assembly ( s) and / or valves.
    The invention relates in particular to a high pressure tap, in particular for hydrogen applications (tank (s) and mobile or stationary stations).
    Numerous taps and corresponding stations have been proposed for these applications. These known solutions do not, however, optimize the filling and distribution performance while offering modularity of uses.
    In particular, the known solutions do not guarantee both great modularity of the storage used in filling stations (used in particular by pressure balancing and / or as a source of a compressor).
    An object of the present invention is to overcome all or part of the drawbacks of the prior art noted above.
    To this end, the valve according to the invention, furthermore in accordance with the generic definition given in the preamble above, is essentially characterized in that the circuit comprises two separate withdrawal ends fluidly connected to the withdrawal branch and opening onto the valve body at two separate ports respectively.
    Furthermore, embodiments of the invention may include one or more of the following characteristics:
    - the two separate withdrawal ends communicate fluidly with each other and with the withdrawal branch,
    the circuit comprises two separate filling ends fluidly connected to the filling branch and opening onto the valve body at the level of two separate orifices, respectively,
    - the two separate filling ends communicate fluidly with each other and with the filling branch,
    the withdrawal ends and / or the filling ends open onto the body at the level of respective fluidic connections mounted on the body,
    - the withdrawal and filling branches each comprise a respective valve, in particular a piloted valve, in series with a respective one-way valve, in particular a non-return valve,
    - the circuit includes a first isolation valve located on the one hand, the two withdrawal and filling branches and, on the other hand, the first end of the circuit,
    - The circuit comprises at least one safety emptying device configured to release a gas evacuation passage between the first end of the circuit and at least one evacuation orifice opening onto the body when the emptying device is subjected to a temperature and / or a pressure higher than a determined threshold,
    - The circuit includes a purge line having an upstream end connected in the portion located between the first isolation valve and the two withdrawal and filling branches and a downstream end connected to the orifice (s) for evacuation of the organ drain, the purge line comprising a second isolation valve,
    the circuit comprises at least one of: a pressure sensor, a temperature sensor,
    the station comprises several storages of pressurized gas of this type connected to the transfer pipe, at least part of the storages being connected in parallel to the transfer pipe via their withdrawal ends,
    - the tap circuit includes a pressure sensor located between the first isolation valve and the first end of the circuit and / or between the first isolation valve and the second isolation valve,
    - the tap circuit includes at least one pressure sensor located between the first isolation valve and the first end of the circuit,
    The invention also relates to a storage or storage (s) of pressurized gas comprising an orifice connected to a tap according to any one of
    The invention also relates to a filling station for pressurized gas tank (s) comprising at least one pressurized gas storage connected to at least one transfer pipe intended to be connected to a pressurized gas tank to be filled to ensure a gas transfer from the storage to the tank, the transfer line being connected to one of the withdrawal ends of the body of the storage tap.
    According to other possible particularities
    - one of the filling ends of the body of the storage tap is connected to a source of pressurized gas comprising at least one of: a compressor, a reserve of gas and / or liquid,
    - at least part of the storage facilities are connected in parallel to the source of pressurized gas via their filling ends,
    - each tap has two evacuation orifices opening out onto the body for evacuating the gas released by the emptying member, the storages being connected in parallel to a gas evacuation pipe via their evacuation orifices,
    - the at least one storage contains gas at a pressure between 50 and 110Obar,
    - the station includes a set of several pressurized gas storage connected in parallel to the transfer pipe, to a source of pressurized gas and to the discharge pipe, in which a first gas storage has one end racking directly connected to the transfer line while the other racking end is connected to a racking end of the adjacent storage, the first storage has a filling end directly connected to the source of pressurized gas while the other filling end is connected to one filling end of the adjacent storage, the following gas storage having their two withdrawal ends respectively connected to the withdrawal ends of the two adjacent storage, and their two filling ends respectively connected to the filling ends of the two adjacent storage, the last gas storage the whole having an outlet racking unit connected to the racking end of the penultimate adjacent storage and the other the racking end closed by a plug, the latter the last gas storage the assembly having a filling end connected to the end of the penultimate adjacent storage and the other the filling end closed by a plug.
    The invention may also relate to any alternative device or process comprising any combination of the above or below characteristics.
    Other particularities and advantages will appear on reading the description below, made with reference to the figures in which:
    FIG. 1 represents a schematic and partial view illustrating an example of storage comprising a tap according to an exemplary embodiment of the invention,
    FIG. 2 represents a schematic and partial view illustrating an example of filling station comprising a set of storage units according to the invention,
    - Figure 3 shows a schematic and partial view illustrating another example of filling station comprising a set of storages according to the invention.
    The valve illustrated in FIG. 1 is connected to the orifice (preferably single) of a storage of pressurized fluid, in particular a storage of hydrogen gas under pressure, for example up to 1100bar (metallic or composite storage structure for example).
    The valve comprises a body 2 housing a fluid circuit 3 comprising a first end 4 connected to the storage orifice 1. For example, the first end 4 of the valve opens at a threaded portion intended to be screwed into the tapped storage orifice 1. Of course, as a variant, this first end could be connected to a set of separate storage units (a frame of bottles for example). That is to say that the tap would be common to several storages and connected to these by a circuitry.
    The tap fluid circuit 3 comprises two withdrawal ends 5 intended to be connected to a receiving circuit to allow the supply of fluid withdrawn from the storage 1. These two separate withdrawal ends 5 open onto the body 2 of the valve via respective orifices.
    The two separate withdrawal ends 5 open onto the body 2 of the valve and are fluidly connected to the withdrawal branch 15, that is to say that the two separate withdrawal ends 5 can communicate fluidly with each other and with the branch 15 of racking.
    These withdrawal ends 5 each open onto the body 2, for example at a standard or non-standard fluid connection.
    The circuit 3 also includes two filling ends 6 intended to be connected to a source of pressurized gas to allow the filling of the repository 1. As before, these two filling ends 6 can lead to the body 2 (for example at respective standard or non-standard fluid connections).
    The two separate filling ends 6 open onto the body 2 of the valve and are fluidly connected to the filling branch 16. That is to say that the two separate filling ends 6 can communicate fluidly with each other and with the filling branch 16.
    The second 5 (racking) and third 6 (filling) ends are thus distinct and connected to the first end 4 via respective branches of the circuit 3: respectively a branch 15 of racking and a branch 16 of filling. That is to say that, for filling and withdrawing storage 1, the fluid borrows separate tap orifices (two independent inlets and two outlets) before borrowing a portion of a common circuit (the two branches 15, 16 connecting before or at the first end 4 of the circuit 3).
    That is to say that the tapping branches 15 and filling 16 are connected in parallel to the first end 4. These tapping branches 15 and filling 16 each comprise a set of valve (s) and / or valves. More precisely, each withdrawal 15 and filling 16 branches comprises a respective valve 7, 9 in series with a respective unidirectional valve 8, 10.
    Each valve 7, 9 is for example a pilot valve, in particular a pneumatic valve. Of course, any other type of valve can be envisaged (manual, solenoid valve, hydraulic, etc.).
    Each respective unidirectional valve 8, 10 is for example a non-return valve (mobile shutter associated with a return member which can only be opened by pressure differential in one direction (filling or withdrawal direction respectively).
    As detailed below, this architecture with double inputs 6 and double outputs 5 allows such storage 1 to be integrated into a circuit of a filling station while guaranteeing a good seal in the event of bidirectional use (filling / withdrawal of the storage 1). In particular, this architecture simplifies the connections and sizing of the station.
    This also makes it possible to decorrelate the pressurization of the depressurization of the storage 1. This also makes it possible to simplify the assembly and maintenance of such a storage 1 in a circuit which integrates it.
    This architecture allows the valve to have a high operating pressure, for example 1100 bar.
    The tap circuit 3 also preferably includes a first isolation valve 11 located on the one hand, between the two branches 15, 16 for drawing and filling and, on the other hand, the first end 4 of the circuit 3. C 'that is to say that the first isolation valve 11 is located on the portion of the circuit 3 which is common to the filling / withdrawal operations of the storage 1. This first isolation valve 1 can be manual and / or controlled.
    The valve also preferably includes a safety drain member 13 configured to release a gas evacuation passage from storage 1 when it is subjected to a temperature and / or a pressure greater than a determined threshold. This optional member 13 is for example a fuse which frees a passage (normally closed) between the first end 4 of the circuit 3 and at least one discharge orifice 12 opening onto body 2 (for example two discharge orifices 12 as shown ).
    The circuit 3 may also include a purge pipe 22 having an upstream end connected between the first isolation valve 11 and the two branches 15, 16 of withdrawal and filling and a downstream end connected to the orifice (s) 12 evacuation of the drain member 13. This purge line 22 comprises for example a second isolation valve 17 (manual and / or piloted). The opening of the second isolation valve 17 thus enables the pressurized gas located between the first isolation valve 11 and the two filling / withdrawal branches 15, 16 to be evacuated by the orifice (s) 12 for evacuation. The discharge opening (s) 12 can be connected to the atmosphere and / or to a gas recovery volume. This purge line can be used to empty the storage.
    As illustrated in FIG. 2, the circuit 3 can also include at least one of: a pressure sensor 14, a temperature sensor 15. For example, the circuit 3 of the tap may include a pressure sensor 14 located between the first isolation valve 11 and the first end 4 of the circuit 3, for example between the first isolation valve 11 and the second valve 17 insulation.
    Likewise, the circuit 3 of the tap may include at least one pressure sensor 15 located between the first isolation valve 11 and the first end 4 of the circuit 3.
    This tap architecture makes it possible to advantageously use such storage 1 in a gas installation, in particular in a filling station for tank (s), in particular hydrogen. In particular (cf. FIG. 2), a third end 6 for filling the body 2 of the storage valve 1 can be connected to a source 20, 21 of pressurized gas (comprising for example at least one of: a compressor 20 , a reserve 21 of gas and / or liquid ...) to allow filling of the storage 1 with the gas supplied by the source 20, 21.
    As illustrated in FIG. 2, a filling station for tank (s) 19 can in particular use several storages 1 in accordance with FIG. 1 as buffer storages used to transfer gas into a tank 19 by pressure balancing (in particular in cascade) and / or as a gas source for a filling compressor.
    The station illustrated in FIG. 2 comprising several storage units 1 (three in this example, but could be two or more than three). The storages 1 are connected in parallel to the transfer pipe 18 via the at least one second end 5 for withdrawing the tap from each of the storages 1.
    More specifically, a first storage 1 (at the upper end of FIG. 2) comprises a second 5 withdrawal end which is connected directly to the reservoir (s) 19 to be filled (via line 18). The other filling end 5 of this first storage 1 is connected to a withdrawal end 5 of the second adjacent storage 1. The other filling end 5 of this second storage 1 is connected to a withdrawal end 5 of the third adjacent storage 1.
    Of course, the ends 5 (fittings) for drawing off all the storage facilities 1 are not necessarily all connected / connected to one and the same drawing-off line 18. This makes it possible to have a multiple gas distributor with the same gas source. . For example, the installation may include two (or more) storage groups connected respectively to two (or more) separate transfer lines 18. All these storages 1 can however be connected to the same source (or separate sources) via their ends 6 of racking. In the case for example of four storage units 1 connected to two transfer pipes 18, the ends 5 of withdrawal from two storage units 1 can be connected in parallel to a first transfer line 18 while the ends 5 of withdrawal from the two other storage units 1 are connected in parallel to the other transfer pipe 18. The four storages can be connected to the same source 20, 21 via the filling ends 6. See figure 3.
    Likewise, the first storage 1 (at the upper end of FIG. 2) has a filling end 6 connected (directly, that is to say as close as possible) to the source 20, 21 of gas under pressure while that the other filling end 6 of this first storage 1 is connected to one filling end 6 of the tap of the adjacent second storage 1. The other 6 for filling this second storage 1 is connected to one end 6 for filling the tap of the third storage 1.
    Finally the orifices 12 for evacuating the three storages can be connected to the same drain pipe 23.
    Thus, the ends / orifices 5, 6, 12 of the storage valves are connected in parallel respectively
    - to the transfer line 18 and
    - at the source 20, 21 of gas,
    - to the drain pipe 23.
    As before, the withdrawal ends of all the tanks are not necessarily connected / all connected to one another but can be grouped / connected to separate transfer lines 18.
    The ends / orifices of the valve of the last storage 1 (the farthest, at the end of the row, at the lower end of FIG. 2) can be closed by a system of plugs 23 for example.
    Thus, each tap associated with its storage 1 has a system of double orifices / outputs 5, 6, 12 allowing a double connection which simplifies the interconnections between the storage 1 and the rest of the station.
    In this way, it is relatively easy to add a storage unit 1 in parallel or to remove a storage unit at one end of this row of storage units.
    1. The costs linked to the connection of such storage facilities 1 can be minimized.
    This architecture makes it possible to fill a storage tank 1 while another distributes gas to a reservoir 22. This makes it possible to have several distribution terminals independent of the source (compressor 20).
    This architecture makes it possible in particular to use the storage facilities 1 in parallel according to the cascade principle (without being limited to the number of storage facilities) to optimize the quantity of gas stored in these storage facilities.
    This architecture limits the number of connections while allowing great modularity.
    This allows in particular a gradual increase in the daily capacity of the station. This also increases the number of cascade steps if necessary.
    In addition, this architecture makes it possible to use one or more storages 1 to fill one or more other storages 1 of the installation (for example by balancing and if necessary from the source 20, 21).
    Each storage unit 1 associated with its tap makes it possible to replace, if necessary, a set of several storage units according to the prior art while simplifying installation and maintenance. This optimizes filling by cascade using 60 to 70% of its capacity (instead of 30% according to previous solutions). One or more storages 1 can also be used to fill one or more other storages 1 (if necessary via a compressor).
    When the tap of a storage 1 includes a pressure sensor (and possibly a temperature sensor) of the gas in the circuit 3 the quantity of 5 gases withdrawn from each storage 1 (or filled) can be calculated by an equation of state gas (PV = znRT for example).
    This can replace or supplement a measurement by mass flow meter.
    权利要求:
    Claims (16)
    [1" id="c-fr-0001]
    1. Tap for storage of pressurized fluid, in particular hydrogen gas, comprising a body (2) housing a fluid circuit (3) comprising a first end (4) intended to be connected with the orifice of at least one storage (1) of pressurized fluid, at least one second end (5) of withdrawal intended to be connected to a receiving circuit to allow the supply of fluid withdrawn from the storage via the circuit (3), at least one third end (6) filling intended to be connected to a source of pressurized gas to allow filling of the storage (1) via the circuit (3), the second (5) and third (6) ends being connected to the first end (4) via respectively a branch (15) for drawing off the circuit (3) and a branch (16) for filling the circuit (3), the branches for drawing off (15) and filling (16) being connected in parallel at the first end (4 ) of the circuit and compre each providing a set of valve (s) and / or flaps, characterized in that the circuit (3) has two separate withdrawal ends (5) fluidly connected to the withdrawal branch (15) and opening onto the body (2) of the valve at two separate ports respectively.
    [2" id="c-fr-0002]
    2. Tap according to claim 1, characterized in that the two ends (5) separate withdrawal communicate fluidly with each other and with the branch (15) of withdrawal.
    [3" id="c-fr-0003]
    3. Tap according to claim 1 or 2, characterized in that the circuit (3) comprises two separate filling ends (6) fluidly connected to the filling branch (16) and opening onto the body (2) of the tap at the level respectively of two separate orifices.
    [4" id="c-fr-0004]
    4. Tap according to claim 3, characterized in that the two separate filling ends (6) communicate fluidly with each other and with the filling branch (16).
    [5" id="c-fr-0005]
    5. Tap according to claim 3 or 4, characterized in that the ends (5) of withdrawal and / or the ends (6) of filling open on the body (2) at the respective fluid connection mounted on the body (2 ).
    [6" id="c-fr-0006]
    6. Tap according to any one of claims 1 to 5, characterized in that the withdrawal branches (15) and filling (16) each comprise a respective valve (7, 9), in particular a pilot valve, in series with a respective one-way valve (8, 10), in particular a non-return valve.
    [7" id="c-fr-0007]
    7. Faucet according to any one of claims 1 to 6, characterized in that the circuit (3) comprises a first isolation valve (11) located between on the one hand, the two branches (15, 16) of withdrawal and filling and, on the other hand, the first end (4) of the circuit (3).
    [8" id="c-fr-0008]
    8. A valve according to any one of claims 1 to 7, characterized in that it comprises at least one safety drain member (13) configured to release a gas discharge passage between the first end (4) of the circuit (3) and at least one evacuation orifice (12) opening onto the body (2) when the emptying member (13) is subjected to a temperature and / or a pressure greater than a determined threshold.
    [9" id="c-fr-0009]
    9. Tap according to claims 7 and 8 taken in combination, characterized in that the circuit (3) comprises a drain pipe (22) having an upstream end connected in the portion located between the first isolation valve (11) and the two branches (15, 16) for filling and filling and a downstream end connected to the orifice (s) (12) for evacuating the emptying member (13), the purge line (22) comprising a second valve (17) insulation.
    [10" id="c-fr-0010]
    10. Tap according to any one of claims 1 to 9, characterized in that the circuit (3) comprises at least one of: a pressure sensor (14), a temperature sensor (15).
    [11" id="c-fr-0011]
    11. A pressurized gas storage (s) comprising an orifice connected to a tap according to any one of claims 1 to 10.
    [12" id="c-fr-0012]
    12.Filling station for pressurized gas tank (s) comprising at least one storage (1) of pressurized gas connected to at least one transfer pipe (18) intended to be connected to a gas tank (19) under pressure to be filled in order to transfer gas from the storage (1) to the tank (19), characterized in that the storage (1) is in accordance with claim 11 and in that the transfer pipe (18) is connected to a ends (5) for withdrawing from the body (2) of the storage tap (1).
    [13" id="c-fr-0013]
    13. filling station according to claim 12, characterized in that one of the ends (6) of filling the body (2) of the storage valve (1) is connected to a source (20, 21) of pressurized gas comprising at least one of: a compressor (20), a reserve (21) of gas and / or liquid.
    [14" id="c-fr-0014]
    14. Filling station according to claim 12 or 13 comprising several storage (1) of pressurized gas connected to the transfer line (18), characterized in that said storage (1) conforms to claim 10 and in that at least part of the storages (1) are connected in parallel to the transfer pipe (18) via their withdrawal ends (5).
    [15" id="c-fr-0015]
    15. Filling station according to claims 13 and 14 taken in combination, characterized in that at least part of the storage (1) are connected in parallel to the source (20, 21) of pressurized gas via their ends (6 ) filling.
    [16" id="c-fr-0016]
    16.Filling station according to any one of claims 12 to 15 characterized in that the storage (1) conforms to any one of claims 8 or 9 and in that each tap has two orifices (12) of evacuation leading to the body (2) in order to evacuate the gas released by the emptying member (13), and in that the storages (1) are connected in parallel to a pipe (23) for evacuating gas via their orifices ( 12) evacuation.
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    同族专利:
    公开号 | 公开日
    EP3409998B1|2020-01-29|
    EP3409998A1|2018-12-05|
    CN108980603A|2018-12-11|
    US20180347761A1|2018-12-06|
    DK3409998T3|2020-03-02|
    JP2018204792A|2018-12-27|
    FR3067094B1|2020-08-14|
    引用文献:
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    TWM601306U|2019-03-29|2020-09-11|兆捷科技國際股份有限公司|Anti-leakage fluid carrier system and pressure regulating fluid distributor structure with pressure sensor and pressure regulating fluid distributor structure thereof|
    FR3109201A1|2020-04-10|2021-10-15|L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude|Device for filling pressurized gas tanks|
    FR3109202A1|2020-04-10|2021-10-15|L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude|Device and method for filling pressurized gas tanks.|
    FR3109610A1|2020-04-23|2021-10-29|L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude|Compression apparatus and filling station comprising such apparatus|
    法律状态:
    2018-06-20| PLFP| Fee payment|Year of fee payment: 2 |
    2018-12-07| PLSC| Search report ready|Effective date: 20181207 |
    2020-06-19| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1754870A|FR3067094B1|2017-06-01|2017-06-01|TAP, STORAGE AND FILLING STATION|
    FR1754870|2017-06-01|FR1754870A| FR3067094B1|2017-06-01|2017-06-01|TAP, STORAGE AND FILLING STATION|
    DK18167428.4T| DK3409998T3|2017-06-01|2018-04-16|MEN, STORAGE AND FILLING STATION|
    EP18167428.4A| EP3409998B1|2017-06-01|2018-04-16|Valve, store and filling station|
    JP2018103433A| JP2018204792A|2017-06-01|2018-05-30|Valve, storage facility, and filling station|
    CN201810546538.0A| CN108980603A|2017-06-01|2018-05-31|Valve, storage facilities and filling station|
    US15/996,008| US20180347761A1|2017-06-01|2018-06-01|Valve, storage facility and filling station|
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