EP4078016B1 - Station zur regelung der zirkulation eines gases zwischen zwei gasnetzwerken - Google Patents

Station zur regelung der zirkulation eines gases zwischen zwei gasnetzwerken Download PDF

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Publication number
EP4078016B1
EP4078016B1 EP20833883.0A EP20833883A EP4078016B1 EP 4078016 B1 EP4078016 B1 EP 4078016B1 EP 20833883 A EP20833883 A EP 20833883A EP 4078016 B1 EP4078016 B1 EP 4078016B1
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EP
European Patent Office
Prior art keywords
gas
network
compression
compression device
upstream
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EP20833883.0A
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English (en)
French (fr)
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EP4078016A1 (de
Inventor
Alban SESMAT
Francis BAINIER
Mathieu ASSEMAT
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GRTgaz SA
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GRTgaz SA
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/068—Distribution pipeline networks

Definitions

  • the present invention relates to a station for regulating the circulation of a gas between two gas networks. More particularly, the present invention relates to a station for regulating a gas from a so-called "upstream” network transporting the gas at a pressure P a to a so-called “downstream” gas network transporting the gas at a pressure P b such that P a is strictly greater than P b .
  • the flow rate of circulation of a gas from an upstream gas transport network to a downstream network transporting the gas at a pressure lower than the gas pressure of the upstream network is regulated by a valve.
  • actuation of the valve requires motor pressure provided by a motor gas supplied at sufficient pressure.
  • This driving gas may be compressed air requiring the presence of a compressed air circuit.
  • the compressed air supply comes from an energy-consuming compressor.
  • This driving gas can also be gas taken from the upstream network.
  • the expansion of the driving gas during actuation of the pneumatic valve lowers its pressure to an insufficient pressure to allow its reinjection into the downstream network.
  • this driving gas is usually released into the atmosphere.
  • the present invention aims to remedy all or part of these drawbacks.
  • the gas expansion energy coming from the upstream network is used to compress a driving gas actuating the pneumatic valve.
  • the regulation station of the invention makes it possible to avoid the use of a compressor and therefore to save the energy of its operation, while avoiding the release of greenhouse gases into the atmosphere.
  • the working gas is atmospheric air supplied to the compression device by suction means.
  • the expansion energy of the gas coming from the upstream network is used to compress atmospheric air.
  • This embodiment advantageously replaces known devices using compressed air supplied by an electric air compressor as the driving gas. The power consumption of the air compressor is thus saved.
  • the driving gas is gas from the upstream network actuating the pneumatic valve then compressed by the compression device before being evacuated to the downstream network.
  • This embodiment advantageously replaces known devices which implement actuation of a pneumatic regulation valve by pressurized gas coming from the upstream network.
  • the regulation station of the invention makes it possible to recompress the gas from the upstream network and then inject it into the downstream network. This helps prevent the release of harmful gases into the atmosphere.
  • the regulation station which is the subject of the invention uses, to use the expansion energy of a gas to compress a driving gas, a free piston booster.
  • the compression device makes it possible, by recovering the expansion energy of a gas coming from a gas network at pressure Pa and going into a gas network at pressure Pb, where Pa is greater than Pb, therefore without expense energy, to compress the engine gas.
  • the free piston booster operates without an external moving part as long as there is a pressure difference between the first pipe and the second pipe.
  • control station includes a heat exchanger configured to transfer heat from the working gas compressed by the compression device to the upstream network gas intended to operate the compression device.
  • the drop in temperature of the gas from the upstream network actuating the compression device can be at least partly compensated by the heat provided by the driving gas compressed by the compression device.
  • the regulation station comprises a motor gas reservoir positioned between the pneumatic valve and the compression device and the supply of gas to the compression device from the upstream network is controlled according to the pressure of the driving gas in the tank.
  • the flow of the driving gas at the level of the compression device can be decoupled from the flow of the driving gas at the level of the pneumatic control valve.
  • the reservoir acts as a buffer capacity by regulating the maximum pressure at the valve control level.
  • the regulation station comprises a filter-dryer positioned between the suction means and the compression device.
  • the motive gas is the gas transported by the upstream network and the motive gas expanded upon actuation of the pneumatic control valve is compressed before being evacuated to the downstream network.
  • gas refers, for example, to methane.
  • FIG. 1 And 2 are schematic views of a first embodiment of a control station 100 which is the subject of the present invention.
  • FIG 1 is a simplified diagram of the regulation station 100 and the figure 2 is a more complete diagram of the control station 100.
  • the regulation station 100 is positioned at the interface of a gas transport network called “upstream network” and a gas transport network called “downstream network”.
  • the upstream network 101 transports the gas at a pressure P a to the downstream network 102 which transports the gas at a pressure P b such that P a is strictly greater than P b .
  • a pneumatic valve 110 regulates the flow of gas circulating from the upstream network 101 to the downstream network 102.
  • the flow of gas from the upstream network 101 to the downstream network 102 is controlled to correspond to a determined flow value or to maintain a pressure predetermined in the upstream network 101 or in the downstream network 102.
  • the pneumatic valve 110 requires for its operation to be supplied by a pressurized gas called “motor gas”.
  • the engine gas is supplied to the pneumatic valve at a pressure between 1 and 10 bar.
  • the engine gas is supplied to the pneumatic valve at a pressure of 2 bar.
  • the driving gas is atmospheric air 190 collected by suction means (not shown).
  • suction means not shown
  • a piston 11 creates suction.
  • the regulation station 100 includes a compression device 70 configured to compress the engine gas.
  • the regulation station which is the subject of the invention uses, to use the expansion energy of one fluid to compress a second, a compression device 70.
  • the compression device 70 is a booster comprising a free piston .
  • the compression device 70 comprising a free piston which is represented in the figures 1 to 4 .
  • the movement of the piston responds only to the pressure of the gas, without a connecting rod actuating or retaining it.
  • a pneumatic membrane booster for example.
  • the particular embodiments of the compression device 70 will be better understood on reading the description of the figures 5 to 9 .
  • the compression device 70 comprises a piston 11 actuated by the expansion of gas in an expansion chamber 17.
  • Gas is supplied to the expansion chamber 17 by a pipe 31 supplied by the upstream network 101.
  • the gas from the upstream network 101, once expanded in the expansion chamber 17, is evacuated to the downstream network 102 via a pipe 32.
  • the compression device 70 comprises a compression chamber 23.
  • the compression chamber 23 is supplied by the engine gas, that is to say by atmospheric air.
  • the motive gas is conveyed to the compression chamber 23 by the gas line 33.
  • the pressure applied by the piston 11 in the compression chamber 23 makes it possible to compress the motive gas.
  • the driving gas is supplied to the control valve 110 for its actuation, via the control means 112.
  • a gas line 34 routes the driving gas from the compression device 70 to the control means 112.
  • the pneumatic control valves and their control means are well known from the prior art and are not described in detail here.
  • the engine gas is then released into the atmosphere through a discharge pipe 166.
  • the compression device 70 is that illustrated by one of the figures 6 to 9 . In embodiments, the compression device 70 is the pneumatic booster illustrated in Figure 5 .
  • the control station 100 comprises a reservoir 180 of engine gas positioned between the pneumatic valve 110 and the compression device 70.
  • the reservoir 180 is also called "capacity".
  • the reservoir 180 is, for example, a cylinder configured to store the motor gas at a determined pressure.
  • the tank 180 is formed of several cylinders.
  • the supply of gas to the compression device 70 from the upstream network is controlled as a function of the pressure of the driving gas in the tank 180.
  • a pressure switch 174 measures the pressure of the driving gas in the tank 180. and activates the opening of a valve 176 positioned between the upstream network 101 and the compression device 70 when the measured pressure is below a determined threshold. On the contrary, the valve 176 is closed when the pressure measured in the tank 180 is greater than a predetermined threshold.
  • a pressure regulator 173 is positioned on the pipe connecting the compression device 70 to the tank 180.
  • a pressure regulator 171 is positioned on the pipe connecting the tank 180 to the control 112 of the pneumatic valve 110.
  • a pipe comprising a non-return valve 170 and a pressure regulator 172 connects the upstream network to the reservoir 180.
  • the driving gas can consist of air compressed by the compression device 70, by gas coming from the upstream network 101 or by a mixture of compressed air and gas coming from the upstream network 101.
  • compressed air is used as the driving gas during the usual operation of the regulation station 100.
  • the non-return valve 170 opens allowing the supply from the tank 180 by gas from the upstream network 101.
  • the gas coming from the upstream network 101 is only used as driving gas in the event of a failure of the compressed air supply.
  • the assembly formed by the non-return valve and the pressure regulator is replaced by a valve whose impulse line is placed on the tank 180.
  • control station 100 includes a heat exchanger 150 configured to transfer heat from the working gas compressed by the compression device 70 to the upstream network gas operating the compression device.
  • the heat exchanger 150 is positioned overlapping between the gas pipe carrying the compressed air by the compression device to the tank 180 and the pipe carrying the gas from the upstream network 101 intended to actuate the compression device 70.
  • the regulation station 100 comprises a filter dryer 195 positioned between the atmospheric air suction means and the compression device 70.
  • FIG. 3 And 4 which are not to scale, are schematic views of a second embodiment of a control station 200 which is the subject of the present invention.
  • FIG. 3 presents a simplified diagram of the regulation station 200 and the figure 4 presents a more complete diagram of the control station 200.
  • the regulation station 200 is positioned at the interface of an upstream gas transport network 201 and a downstream gas transport network 202.
  • a pneumatic valve 210 controls the flow rate of gas circulating from the upstream network 201 to the downstream network 202.
  • the circulation of gas from the upstream network 201 to the downstream network 202 is controlled to be maintained at a flow rate value. determined or as a function of a pressure in the upstream network 201 or in the downstream network 202.
  • the second embodiment of the regulation station 200 differs from the first illustrated in figures 1 And 2 in that the driving gas is gas from the upstream network. Gas from the upstream network is supplied to the pneumatic valve for its actuation, without prior compression. Then, this driving gas is collected then compressed by the compression device before being evacuated to the downstream network.
  • the driving gas is supplied by the upstream network 201 to the control valve 210 via the control means 212.
  • the control valves and their control means are well known from the prior art and are not described in detail here.
  • the regulation station 200 includes a compression device 70 configured to compress the engine gas.
  • the compression device 70 comprises a piston 11 actuated by the expansion of gas coming from the upstream network 201. This gas, distinct from the driving gas, is supplied by a pipe 31 connected to the upstream network 201. The gas from the upstream network 201 expanded in the compression device is evacuated to the downstream network 202 via a gas pipe 32.
  • the compression device 70 comprises a compression chamber 23.
  • the compression chamber 23 is supplied by the driving gas, that is to say by gas from the upstream network 201, previously expanded during its use for the actuation of the pneumatic valve 210.
  • the driving gas is conveyed to the compression chamber 23 via the gas line 33.
  • the pressure applied by the piston 11 in the compression chamber 23 makes it possible to compress the driving gas.
  • the motive gas is thus compressed to a pressure sufficient to be reinjected into the downstream network 202.
  • a gas pipe 34 conveys the motive gas from the compression device to the downstream network.
  • the compression device 70 is that illustrated by one of the figures 6 to 9 . In embodiments, the compression device 70 is the pneumatic booster 60 illustrated in Figure 5 .
  • control station 200 comprises a reservoir 280 of engine gas positioned between the pneumatic valve 210 and the compression device 70.
  • the supply of gas to the compression device 70 from the upstream network is controlled as a function of the pressure of the driving gas in the tank 280.
  • a pressure switch 274 measures the pressure of the driving gas in the tank 280 and activates the opening of a valve 276 positioned between the upstream network 201 and the compression device 70 when the measured pressure is greater than a determined threshold.
  • the valve 276 is closed when the pressure measured in the tank 280 is below a predetermined threshold.
  • a valve 281 is positioned on the tank 280. In the event of failure of the compression device 70, the gas pressure in the tank 280 will rise until it causes the opening of the valve 281 making it possible to reduce the pressure in the tank 280 and ensure the proper functioning of the control means 212.
  • a pressure regulator 278 is positioned on the pipe connecting the upstream network 201 and the control means 212 of the pneumatic valve 210.
  • a pressure regulator 277 is positioned on the pipe conveying the motor gas compressed by the compression device 70 to the downstream network 202.
  • control station 200 includes a heat exchanger 250 configured to transfer heat from the working gas compressed by the compression device 70 to the upstream network gas operating the compression device.
  • the heat exchanger 250 is positioned overlapping between the pipe carrying the gas from the upstream network compressed by the compression device to the downstream network 202 and the pipe carrying the gas from the upstream network 201 intended to actuate the compression device 70.
  • FIG. 5 represents a particular embodiment of the compression device 60 implemented by the regulation station which is the subject of the invention.
  • the compression device 60 is a booster, that is to say a couple of expander 71, on the left, and compressor 72, on the right, with free piston.
  • the regulator 71 comprises a chamber 75 provided with a high pressure gas inlet coming from the first pipe 31 and a low pressure gas outlet in the second pipe 32.
  • an expansion piston 74 is placed in movement by the pressure of the gas and transmits this pressure, via a shaft 76 to a compression piston 77 which compresses the engine gas in a chamber 78.
  • the assembly of pistons 74 and 77 and the shaft 76 constitutes a free piston.
  • Valves 15 and 16 ensure the sealing and the direction of movement of the fluid from the third low-pressure engine gas inlet pipe 33 to the fourth high pressure engine gas outlet pipe 34.
  • the system for controlling the gas inlet into the chamber 75 and the gas outlet from the chamber 75 is not described here, being well known to those skilled in the art.
  • the motor gas is the gas designated as such because it is intended to provide the motor pressure necessary for controlling the pneumatic valve of the control station which is the subject of the invention.
  • a free piston is moved in a first chamber 75 by the gas and compresses the driving gas in a second chamber 78.
  • the pressure of the fluid at the outlet of the compressor can be higher than the pressure of the gas at the inlet , depending on the ratio of the surfaces of the pistons 74 and 77.
  • the free piston is replaced by membranes, as in membrane boosters of known type.
  • the compression device 70 is a free piston booster 11.
  • the arrows in broken lines represent the gas movements.
  • the solid line arrow represents the movements of the free piston.
  • the free piston 11 comprises an expansion head 20 and a compression head 22 connected by a shaft.
  • a through opening 24 opens, on the one hand, into the expansion head 20 on the side opposite the compression head 22 and, on the other hand, into a side wall of the shaft.
  • the first gas pipe 31 opens into part 21 of the expansion chamber 17 facing the shaft. Consequently, the mouth of the through opening 24 is only found in part 21 when the free volume of the compression chamber 23 is maximum.
  • the outlet of the expansion chamber 17 to which the second pipe 32 is connected is located on a side face of the expansion chamber 17 and is not obstructed by the expansion head 20 only when the through opening 24 does not open out. in part 21 of the expansion chamber 17. More particularly, the outlet of the expansion chamber is obstructed by the expansion head except in the position of the free piston where the free volume of the compression chamber is minimal.
  • the free volume of the compression chamber is intermediate between its extreme values.
  • the pressure in the part 17 of the expansion chamber opposite the compression chamber 23 is at the value Pb of the downstream network 13.
  • the gas coming from the first pipe 31 enters the intermediate part 21 of the compression chamber. expansion, at a pressure Pa.
  • the ratio of pressures Pa/Pb is greater than the ratio of the surfaces of the expansion head 20 in part 17 and in part 21.
  • the free piston 11 therefore moves towards the left, as illustrated in Figure 7 . This movement of the free piston 11 causes the suction of gaseous fluid coming from the third pipe 33 through the inlet valve 15.
  • the through opening 24 opens onto the part 21 of the expansion chamber and the gas coming from the first pipe 31 passes through the expansion head.
  • the pressure in part 17 of the expansion chamber then reaches Pa, which causes the movement of the free piston 11 towards the compression chamber 23, as illustrated in figure 8 .
  • This movement obstructs the through opening 24 and compresses the gaseous fluid present in the compression chamber 23.
  • the compressed gaseous fluid passes through the outlet valve 16 then the fourth pipe 34.
  • part 17 of the expansion chamber is pneumatically connected to the second pipe 32, as illustrated in Figure 9 . Following the increase in the volume of part 17, the pressure in part 17 of the expansion chamber drops to reach the value Pb. The cycle then begins again.
  • this free piston booster 11 operates without an external moving part and as long as there is a sufficient pressure difference between the first pipe and the second pipe.
  • the regulation methods according to the invention allow the control of the circulation flow rate of a gas from an upstream network transporting the gas at a pressure P a to a downstream gas network transporting the gas at a pressure P b such that P a is strictly greater than P b .
  • the regulation methods according to the invention comprise a step of actuation by a gas called "motor gas” of a pneumatic regulation valve configured to control the flow of gas from the upstream network circulating towards the downstream network.
  • the regulation methods according to the invention comprise a step of compressing the driving gas by means of a compression device comprising a piston actuated by the expansion of gas supplied by the upstream network.
  • the regulation methods according to the invention comprise a step of evacuating the expanded gas to the downstream network during the compression step.
  • the driving gas is atmospheric air compressed by the compression device.
  • the motive gas is the gas transported by the upstream network and the motive gas expanded during actuation of the pneumatic regulation valve is compressed before being evacuated to the downstream network .
  • the regulation methods which are the subject of the invention are implemented by a regulation station according to the invention.
  • the functions of the different embodiments of the control station described previously can be transcribed in the form of process steps.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (10)

  1. Regelstation (100, 200) für den Fluss eines Gases aus einem sogenannten "vorgelagerten" Gasnetz (101, 201), das das Gas mit einem Druck Pa zu einem sogenannten "nachgelagerten" Gasnetz (102, 202) transportiert, das das Gas mit einem Druck Pb transportiert, wobei Pa strikt über Pb liegt, gekennzeichnet dadurch, dass sie Folgendes umfasst:
    - an einer ersten Leitungsanordnung (31, 32) zur Zuführung des Gases zwischen dem vorgelagerten und dem nachgelagerten Netz:
    - eine Kompressionsvorrichtung (60, 70) mit einem Kolben (11), der durch die vom vorgelagerten Netz bereitgestellte Gasexpansion betätigt wird und konfiguriert ist zur Kompression eines sogenannten "Motorgases",
    - eine Ableitung des in der Kompressionsvorrichtung expandierten Gases des vorgelagerten Gasnetzes in das nachgelagerte Gasnetz und
    - an einer zweiten Leitungsanordnung (33, 34) zur Zuführung des Motorgases: ein Pneumatikventil (110, 210), das so eingerichtet ist, dass es den Gasdurchsatz vom vorgelagerten zum nachgelagerten Netz steuert und vom Motorgas betätigt wird.
  2. Regelstation nach Anspruch 1, wobei das Motorgas atmosphärische Luft ist, die der Kompressionsvorrichtung durch eine Saugvorrichtung zugeführt wird.
  3. Regelstation nach Anspruch 1, wobei das Motorgas Gas des vorgelagerten Netzes ist, das das Pneumatikventil betätigt und dann von der Kompressionsvorrichtung komprimiert wird, bevor es in das nachgelagerte Netz geleitet wird.
  4. Regelstation nach einem der Ansprüche 1 bis 3, wobei die Kompressionsvorrichtung (60, 70) ein pneumatischer Kompressor ist und der Kolben (11, 20, 22, 74, 76, 77) ein freier Kolben zwischen einer Expansionskammer (17, 75) und einer Kompressionskammer (23, 78) ist und Folgendes umfasst:
    - eine erste Gasleitung (31) zwischen dem vorgelagerten Netz und einem Eingang der Expansionskammer,
    - neine zweite Leitung (32) zur Ableitung des Gases zwischen einem Ausgang der Expansionskammer und dem nachgelagerten Netz,
    - eine dritte Leitung (33) zur Zuführung von zu komprimierendem Motorgas, die zu einem Eingang der Kompressionskammer führt, und
    - eine vierte Leitung (34) zur Ableitung des komprimierten Motorgases, die mit einem Ausgang der Kompressionskammer verbunden ist.
  5. Regelstation nach Anspruch 4, wobei:
    - der freie Kolben einen Expansionskopf (20) und einen Kompressionskopf (22) umfasst,
    die durch eine Welle verbunden sind, wobei eine Durchgangsöffnung (24) einerseits auf der dem Verdichtungskopf gegenüberliegenden Seite in den Expansionskopf und andererseits in eine Wellenseitenwand mündet,
    - wobei die erste Gasleitung in die Expansionskammer gegenüber der Welle mündet und
    - wobei sich der Ausgang der Expansionskammer, mit dem die zweite Leitung verbunden ist, an einer Seite der Expansionskammer befindet und nur dann durch den Expansionskopf verschlossen wird, wenn die Durchgangsöffnung nicht in die Expansionskammer mündet.
  6. Regelstation nach einem der Ansprüche 1 bis 5, die einen Wärmetauscher (150, 250) umfasst, der so konfiguriert ist, dass er Wärme vom durch die Kompressionsvorrichtung komprimierten Motorgas zum Gas des vorgelagerten Netzes leitet, das die Kompressionsvorrichtung betätigt.
  7. Regelstation nach einem der Ansprüche 1 bis 6, die einen Motorgasbehälter (180, 280) umfasst, der zwischen dem Pneumatikventil und der Kompressionsvorrichtung positioniert ist und in dem die Versorgung der Kompressionsvorrichtung mit Gas des vorgelagerten Netzes in Abhängigkeit vom Druck des Motorgases im Behälter gesteuert wird.
  8. Verfahren (500, 600) zur Regelung des Durchflusses eines Gases aus einem sogenannten "vorgelagerten" Netz, das das Gas mit einem Druck Pa zu einem sogenannten "nachgelagerten" Gasnetz transportiert, das das Gas mit einem Druck Pb transportiert, wobei Pa strikt über Pb liegt, dadurch gekennzeichnet, dass es folgende Schritte umfasst:
    - das Betätigen (515, 610) eines pneumatischen Regelventils, das so konfiguriert ist, dass es den Gasdurchsatz vom vorgelagerten zum nachgelagerten Netz steuert, durch ein sogenanntes "Motorgas",
    - die Kompression (505, 615) des Motorgases mittels einer Kompressionsvorrichtung mit einem Kolben, der durch die Expansion des vom vorgelagerten Netz bereitgestellten Gases betätigt wird, und
    - die Ableitung (510, 620) des im Kompressionsschritt expandierten Gases in das nachgelagerte Netz.
  9. Verfahren zur Regelung des Durchflusses eines Gases nach Anspruch 8, wobei das Motorgas atmosphärische Lust ist, die durch die Kompressionsvorrichtung komprimiert wird.
  10. Verfahren zur Regelung des Durchflusses eines Gases nach Anspruch 8, wobei das Motorgas das durch das vorgelagerte Netz transportierte Gas ist und wobei das bei der Betätigung des pneumatischen Regelventils expandierte Motorgas komprimiert wird, bevor es in das nachgelagerte Netz abgeleitet wird.
EP20833883.0A 2019-12-20 2020-12-21 Station zur regelung der zirkulation eines gases zwischen zwei gasnetzwerken Active EP4078016B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1915368A FR3105344B1 (fr) 2019-12-20 2019-12-20 Poste de régulation de la circulation d’un gaz entre deux réseaux de gaz
PCT/EP2020/087412 WO2021123418A1 (fr) 2019-12-20 2020-12-21 Poste de régulation de la circulation d'un gaz entre deux réseaux de gaz

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EP4078016A1 EP4078016A1 (de) 2022-10-26
EP4078016B1 true EP4078016B1 (de) 2024-01-31

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FR (1) FR3105344B1 (de)
WO (1) WO2021123418A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3125578B1 (fr) * 2021-07-26 2024-04-19 Grtgaz Dispositif de décompression d’un contenant de gaz

Citations (2)

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Publication number Priority date Publication date Assignee Title
DE4416359C2 (de) * 1994-05-09 1998-10-08 Martin Prof Dr Ing Dehli Mehrstufige Hochtemperatur-Gas-Expansionsanlage in einem Gasleitungssystem mit nutzbarem Druckgefälle
WO2020128400A1 (fr) * 2018-12-21 2020-06-25 Grtgaz Poste de détente d'un gaz et de compression d'un fluide

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US4350019A (en) * 1980-12-22 1982-09-21 W. R. Grace & Co. Gas expansion/compression train
DE9215695U1 (de) * 1992-11-18 1993-10-14 Anton Piller GmbH & Co KG, 37520 Osterode Erdgas-Expansionsanlage
US7272932B2 (en) * 2002-12-09 2007-09-25 Dresser, Inc. System and method of use of expansion engine to increase overall fuel efficiency
SI2264288T1 (sl) * 2009-06-11 2011-12-30 Thermonetics Ltd Sistem za učinkovito sprostitev tlaka fluida pod tlakom
FR3082597B1 (fr) * 2018-06-15 2020-11-27 Grtgaz Installation de rebours a optimisation energetique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416359C2 (de) * 1994-05-09 1998-10-08 Martin Prof Dr Ing Dehli Mehrstufige Hochtemperatur-Gas-Expansionsanlage in einem Gasleitungssystem mit nutzbarem Druckgefälle
WO2020128400A1 (fr) * 2018-12-21 2020-06-25 Grtgaz Poste de détente d'un gaz et de compression d'un fluide

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EP4078016A1 (de) 2022-10-26
WO2021123418A1 (fr) 2021-06-24
FR3105344A1 (fr) 2021-06-25
FR3105344B1 (fr) 2021-11-19

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