EP3390891A1 - Constant-pressure storage unit - Google Patents
Constant-pressure storage unitInfo
- Publication number
- EP3390891A1 EP3390891A1 EP16805284.3A EP16805284A EP3390891A1 EP 3390891 A1 EP3390891 A1 EP 3390891A1 EP 16805284 A EP16805284 A EP 16805284A EP 3390891 A1 EP3390891 A1 EP 3390891A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- constant pressure
- storage unit
- constant
- bar
- 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.)
- Withdrawn
Links
- 239000007788 liquid Substances 0.000 claims abstract description 115
- 239000001257 hydrogen Substances 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 26
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 229920000151 polyglycol Polymers 0.000 claims description 2
- 239000010695 polyglycol Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- F17C11/00—Use of gas-solvents or gas-sorbents in vessels
- F17C11/005—Use of gas-solvents or gas-sorbents in vessels for hydrogen
-
- 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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
-
- 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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- 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
- F17C2201/0176—Shape variable
- F17C2201/019—Shape variable with pistons
-
- 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
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/016—Noble gases (Ar, Kr, Xe)
- F17C2221/017—Helium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/036—Very high pressure (>80 bar)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
-
- 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
- F17C2265/065—Fluid distribution for refuelling vehicle fuel tanks
-
- 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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0139—Fuel stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Definitions
- the invention relates to a constant pressure storage unit for storing a gas under constant pressure, comprising at least one constant pressure accumulator, which is separated by a displaceable separating piston into two areas, at least one liquid pump for conveying a liquid and at least one liquid storage.
- a constant pressure storage unit for storing a gas under constant pressure, comprising at least one constant pressure accumulator, which is separated by a displaceable separating piston into two areas, at least one liquid pump for conveying a liquid and at least one liquid storage.
- Constant pressure storage unit in particular for the storage of hydrogen.
- Constant pressure storage unit is understood to be a device that can be used in particular for filling smaller, mobile or stationary storage tanks.
- the constant pressure storage unit itself may be constructed stationary, and in particular be installed as part of a gas station or mobile as part of a tanker.
- a constant pressure storage unit generally comprises one or more constant pressure accumulators, a liquid supply, that is to say at least one liquid pump and at least one storage container for the liquid and optionally a gas conditioning unit for adaptation of the gas to the
- Constant pressure accumulators are designed to provide consumers with a gas with a specific, constant pressure and thus belong to the group of gas pressure accumulators.
- the pressure in a gas storage depends on its level and the pressure must be adjusted for example via compressor when delivering to the consumer.
- the constant pressure accumulator itself can by mobile devices, such as by appropriate tank vehicles or stationary, for example by pressure boosting systems, in one
- a constant pressure accumulator generally comprises a cylinder, which is divided by a movable separating piston into two areas. A first region is configured to receive a gas and a second region to receive a liquid.
- the principle of a constant pressure accumulator is based on the fact that during a Ein Grandephase the pressure of the gas in the first region is kept constant by increasing the volume in the first region, characterized in that the
- Object of the present invention is therefore to provide a method and a corresponding device in which the liquid pump can be stopped in time to avoid an impermissible pressure increase.
- a measuring device measures the liquid level in the liquid storage and sends a signal to the liquid pump via a control unit.
- the liquid store contains a measuring device for determining the liquid level of the liquid, which communicates with the liquid pump via a control unit.
- the measuring device measures a minimum or maximum liquid level in the liquid storage and the liquid supply or - discharge into or out of the at least one constant pressure storage is stopped. The necessary amount of liquid needed around the one or the other
- Constant pressure accumulator to fill completely, so to save all the gas from the constant pressure accumulator is known and usually in the
- Liquid storage stored By measuring the liquid level in the liquid storage can therefore be concluded that the amount of liquid in the or in the constant pressure accumulators and so on the position of the piston. If the liquid level falls below a defined minimum value, the
- the pressure does not rise to inadmissible values and the pressure relief valve does not have to be opened.
- the reliability of a constant pressure storage unit is increased. There is no product in the environment. Likewise, damage to the equipment or loss of product is avoided, which increases the economy and the life of the plant.
- the constant pressure storage unit water or flame retardant hydraulic fluids containing water and polyglycol (eg HFC) or mineral oil-based hydraulic fluids (eg HLP) used as liquid in the second area.
- the hydrogen in the first region is stored at a pressure of 235 to 5000 bar, in particular from 301 to 1200 bar and preferably of 620, 850, 900 or 1000 bar. Accordingly, the same pressure must be exerted by the liquid in the second area.
- the measuring device for determining the liquid level of the liquid is preferably a level sensor which detects the changes in the fill level of the liquid store, in particular one
- Ultrasonic sensor a pressure sensor or a position measuring systems with floats. It can also be used multiple sensors.
- a constant pressure storage unit advantageously has one, two, three, four or more constant pressure accumulators.
- a plurality of constant-pressure accumulators preferably communicate with a liquid pump and only one liquid accumulator. The expenditure on equipment is thus reduced.
- Measuring methods would be here inductive, capacitive, ferromagnetic, ultrasonic or other measuring devices conceivable. These would have to be in each
- Constant pressure accumulator installed separately, resulting in higher investment costs.
- a signal is sent to the liquid pump via an electrical connection in order to stop or start the liquid supply.
- the electrical connection can be done directly or indirectly. It can be made via a cable or wireless.
- Another advantage of the method and this device according to the invention is that the measurement of the amount of liquid, whether on the determination of the
- Liquid level the weighing of the liquid storage or a mass or volume flow meter, between the liquid storage and the
- Constant pressure storage also can be used to the delivered amount to detect gas. Since it is known by what volume the first area, for the gas, in the constant pressure accumulator must be reduced, conclusions can be given to the delivered or stored gas.
- a strong spring can be installed on this separating piston on the side of the first region, that is to say on the side of the gas. Due to this spring, the pressure would rise measurably before reaching the end position and thus produce a usable switch-off signal.
- a spring preferably has a spring force of about 20,000 N at a length of about 200 mm.
- constant pressure storage units can be used not only for the storage and delivery of hydrogen but also for other compressed gases, in particular natural gas or other hydrocarbon-containing gases. Also conceivable is the application for nitrogen, helium, oxygen, fluorine or
- FIG. 1 shows schematically the structure of a constant pressure storage unit.
- FIG. 1 shows a possible embodiment of a constant pressure storage unit.
- This comprises a liquid reservoir 4 in which a liquid 1, in this case a flame-retardant hydraulic fluid, is stored.
- the liquid storage 4 includes a measuring device 2, which in particular as
- Ultrasonic sensor or configured as an ultrasonic level sensor to detect the amount of liquid still present 1 in the liquid storage 4.
- Liquid storage 4 also includes a safety valve 3, which as
- Pressure relief devices can be configured. About an electrical Compound 6 and 7, the measuring device 2 is connected to a control unit 5 and a liquid pump 9 in connection. The liquid pump 9 is also connected via the liquid line 8 with the liquid storage 4 for conveying the liquid 1 in connection.
- the liquid 1 is therefore stored in the liquid storage 4 at ambient temperature in a range of -40 ° C to +80 ° C and at a pressure of 301 to 1200 bar.
- the liquid 1 is conveyed via the liquid pump 9 and the liquid line 10 (or 10A, 10B, 10C, 10D) in the constant pressure accumulator A to D to there to move the separating piston 1 (A to D) and so the pressure of the gas, in to keep this example of hydrogen 12 (12A and 12C) constant.
- all constant pressure accumulators share a liquid reservoir 4 for the liquid 1.
- the gas, so in particular the hydrogen 12 is on the transport line 13 (or 13A, 13B, 13C, 13D) and the shut-off valve 14 in the constant pressure accumulator and stored.
- the pressure of the hydrogen 12 is 301 to 1200 bar.
- Separating flask 11 A, 11 B, 1 1 C, 1 1 D are thereby shifted so that the range for the liquid 1 is minimal and the range for the hydrogen 12 is maximum.
- the liquid 1 is stored in the liquid storage 4.
- Liquid line 8 the liquid pump 9 and the transport lines 10 (or 10A, 10B, 10C, 10D) in the constant pressure accumulator A, B, C and / or D passed.
- Constant pressure accumulator A, B, C, D reaches its end position
- Constant pressure accumulators are up to a maximum value with liquid 1 (1A, 1B, 1 C, 1 D) filled and the gas is completely or almost completely expelled.
- liquid 1 (1A, 1B, 1 C, 1 D) filled and the gas is completely or almost completely expelled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015016326.4A DE102015016326A1 (en) | 2015-12-15 | 2015-12-15 | Constant pressure storage unit |
PCT/EP2016/001984 WO2017102060A1 (en) | 2015-12-15 | 2016-11-24 | Constant-pressure storage unit |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3390891A1 true EP3390891A1 (en) | 2018-10-24 |
Family
ID=57471782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16805284.3A Withdrawn EP3390891A1 (en) | 2015-12-15 | 2016-11-24 | Constant-pressure storage unit |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200263832A1 (en) |
EP (1) | EP3390891A1 (en) |
DE (1) | DE102015016326A1 (en) |
TW (1) | TW201727132A (en) |
WO (1) | WO2017102060A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3428317A1 (en) * | 2017-07-12 | 2019-01-16 | Airbus Defence and Space | System for producing and dispensing pressurized hydrogen |
CN118896241B (en) * | 2024-10-08 | 2025-02-28 | 浙江同景科技有限公司 | A constant pressure diaphragm air pressure tank and intensive mixed gas energy storage system and method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454408A (en) * | 1993-08-11 | 1995-10-03 | Thermo Power Corporation | Variable-volume storage and dispensing apparatus for compressed natural gas |
US5884675A (en) * | 1997-04-24 | 1999-03-23 | Krasnov; Igor | Cascade system for fueling compressed natural gas |
WO2013056295A1 (en) * | 2011-10-21 | 2013-04-25 | Mosaic Technology Development Pty Ltd | System and method for refuelling of compressed gas pressure vessels |
DE102013016696A1 (en) | 2013-10-08 | 2015-04-09 | Linde Aktiengesellschaft | Storage device, gas storage unit and method for at least partially filling or emptying a gas storage unit |
-
2015
- 2015-12-15 DE DE102015016326.4A patent/DE102015016326A1/en not_active Withdrawn
-
2016
- 2016-11-24 EP EP16805284.3A patent/EP3390891A1/en not_active Withdrawn
- 2016-11-24 WO PCT/EP2016/001984 patent/WO2017102060A1/en active Application Filing
- 2016-11-24 US US16/061,500 patent/US20200263832A1/en not_active Abandoned
- 2016-12-08 TW TW105140631A patent/TW201727132A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102015016326A1 (en) | 2017-06-22 |
WO2017102060A1 (en) | 2017-06-22 |
US20200263832A1 (en) | 2020-08-20 |
TW201727132A (en) | 2017-08-01 |
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