EP4065878A1 - System mit zumindest zwei kryobehältern zur bereitstellung eines fluids - Google Patents
System mit zumindest zwei kryobehältern zur bereitstellung eines fluidsInfo
- Publication number
- EP4065878A1 EP4065878A1 EP20780903.9A EP20780903A EP4065878A1 EP 4065878 A1 EP4065878 A1 EP 4065878A1 EP 20780903 A EP20780903 A EP 20780903A EP 4065878 A1 EP4065878 A1 EP 4065878A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cryocontainer
- fluid
- hold time
- operating mode
- designed
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 84
- 230000007423 decrease Effects 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 claims description 14
- 239000012071 phase Substances 0.000 claims description 10
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims 1
- 239000003949 liquefied natural gas Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 239000000446 fuel Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
- F02M21/0224—Secondary gaseous fuel storages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/035—Orientation with substantially horizontal main axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0123—Mounting arrangements characterised by number of vessels
- F17C2205/013—Two or more vessels
- F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
- F17C2205/0142—Two or more vessels characterised by the presence of fluid connection between vessels bundled in parallel
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- 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
- F17C2205/0326—Valves electrically actuated
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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- 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
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
- F17C2225/042—Localisation of the filling point
- F17C2225/043—Localisation of the filling point in the gas
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- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
- F17C2225/042—Localisation of the filling point
- F17C2225/046—Localisation of the filling point in the liquid
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- 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
- F17C2227/04—Methods for emptying or filling
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- 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
- F17C2227/04—Methods for emptying or filling
- F17C2227/046—Methods for emptying or filling by even emptying or filling
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- 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
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- 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
- F17C2250/0426—Volume
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- 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
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- 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
- F17C2250/0443—Flow or movement of content
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- 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
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0673—Time or time periods
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- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/02—Improving properties related to fluid or fluid transfer
- F17C2260/021—Avoiding over pressurising
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- 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
- F17C2265/066—Fluid distribution for feeding engines for propulsion
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- 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
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
- F17C2270/0171—Trucks
Definitions
- the invention relates to a system for providing a fluid, comprising at least a first and a second cryocontainer for storing the fluid, wherein the first cryocontainer has a container volume which is greater than a container volume of the second cryocontainer, and wherein the system furthermore has a first extraction line, which connects to the first cryocontainer for withdrawing a first mass flow of fluid, and comprises a second withdrawal line which connects to the second cryocontainer for withdrawing a second mass flow of fluid.
- liquefied gases can be stored in containers (“cryogenic containers”) in order to store them as fuel for an engine, for example.
- Liquefied gases are gases that are in a liquid state at boiling point, the boiling point of this fluid being pressure-dependent. If such a cryogenic liquid is filled into a cryocontainer, then, apart from thermal interactions with the cryocontainer itself, a pressure corresponding to the boiling temperature is established. If, for example, methane is used as fuel, this means that the methane must be at a sufficiently high temperature in order to achieve a sufficiently high tank pressure for engine operation after the fuel has been filled from the petrol station into the vehicle tank. If the pressure applied to the injection valves of the engine falls below the specified minimum, the engine cannot be operated.
- the cryocontainer During operation, when the fluid is removed from the container and fed to the motor, the fluid in the cryocontainer is therefore present at a working pressure which is between 6 and 8 bar, for example.
- the pressure in the cryocontainer rises again due to the flow of heat into the fluid. So that the pressure in the cryocontainer does not become too high and damage or accidents are prevented, the cryocontainer is equipped with a pressure relief valve which is triggered at a predetermined pressure. The time from the completion of the withdrawal at the working pressure to the reaching of the predetermined pressure of the pressure relief valve is referred to as "hold time" in specialist circles.
- the hold time of the cryocontainer is as long as possible in order to enable long shutdown times.
- cryocontainers mount two cryocontainers on a motor vehicle, the fluid being used as fuel for the motor vehicle.
- the cryocontainers are usually mounted on the left and right on the support frame of the vehicle between axles of the vehicle.
- cryocontainers Due to the different space available on both sides of the motor vehicle, it can be useful to use two cryocontainers with different container volumes, for example a shorter and a longer cryocontainer.
- a problem that arises here, however, is that cryogenic containers with different container volumes have different hold times. The "total" hold time of the system is thus calculated from the cryocontainer with the lower hold time.
- a system for providing a fluid comprising at least a first and a second cryocontainer for storing the fluid, wherein the first cryocontainer has a container volume which is greater than a container volume of the second cryocontainer, and wherein the system furthermore has a first Withdrawal line, which connects to the first cryocontainer for withdrawing a first mass flow of fluid, and a second withdrawal line, which connects to the second cryocontainer for withdrawing a second mass flow of fluid, the system comprising means which for this purpose are designed to form the two mass flows of different sizes, so that in a first operating mode the hold time of the two cryocontainers converges during removal and / or in a second operating mode the hold time of the two cryocontainers decreases essentially at the same rate, if it essentially decreases are of the same size, the hold time being the period from the termination of the removal to the point in time at which the pressure in the cryocontainer reaches
- the solution according to the invention solves the problem mentioned at the outset in that the different hold times of the cryocontainers are compensated for by the different withdrawals of the fluid from the containers. With the solution according to the invention, it is thus possible to increase the hold time of the overall system from the two cryogenic containers without making structural changes to one of the two containers.
- the first operating mode has the effect that the hold time of the two cryocontainers is brought closer, so that the total hold time of the overall system increases, which is given by the lower hold time of the two cryocontainers.
- the second operating mode has the effect that after the same hold time of the two cryocontainers has been reached for the first time, the hold time of the overall system decreases as little as possible when the fluid is removed again. It is also possible to equip the system with only the second operating mode, for example if the two cryocontainers are filled in such a way that they have the same hold time.
- the solution according to the invention can be used in particular when the extraction lines have different line lengths or, more generally, different flow losses.
- the means or a control unit of the means can control the mass flows in such a way that the different flow losses are compensated for.
- the first cryocontainer preferably has a container volume which is greater than a container volume of the second cryocontainer.
- the solution according to the invention can be used with particular preference, because the hold time of the cryocontainers will generally be different and not only when the hold time of the two cryocontainers is different due to external circumstances.
- the first operating mode is started immediately after the tank has been completely filled - and particularly preferably after the working pressure has been reached in the cryogenic containers - and the second operating mode is started after an equally long hold time has been reached.
- the first operating mode could be implemented in that a rigid throttle is provided in the first extraction line so that the hold time of the two cryocontainers approaches when the fluid is withdrawn from both cryocontainers.
- the means comprise a control unit which is designed to regulate the first and / or the second mass flow. This allows dynamic control of the hold time as a function of the current hold time or the fill level of the cryocontainer.
- control unit is designed to essentially only withdraw fluid from the first cryocontainer in the first operating mode until the hold time of the first cryocontainer essentially corresponds to the hold time of the second cryocontainer. In the simplest case, this can be achieved by an on / off valve in the first or second extraction line, which is controlled by the control unit.
- control unit is designed to remove essentially only such an amount of fluid from the second cryocontainer in the first operating mode that the hold time of the second cryocontainer remains constant, and the remaining fluid to be taken from the first cryocontainer. This enables the hold time of the second cryocontainer not to decrease while the majority of the fluid is being withdrawn from the first cryocontainer.
- the system is designed to remove fluid from the second cryocontainer in the first operating mode only in a gaseous state. This has the effect that less mass has to be removed from the second cryocontainer in order to keep the hold time constant.
- control unit is designed to switch from the first to the second operating mode after the same hold time of the two cryocontainers has been reached for the first time.
- control unit is designed to choose between removing the fluid in a liquid phase and / or removing the fluid in a gas phase when the fluid is removed from the first and / or the second cryocontainer. This can be provided for both the first and the second operating mode. In normal operation, the fluid is withdrawn in the liquid phase. However, should the pressure exceed the desired working pressure, fluid can be withdrawn in the gas phase become. This enables a so-called economizer function to be achieved, taking the hold time into account.
- a third operating mode can preferably be provided, the system in the third operating mode being designed to develop a different working pressure in the two cryocontainers during operation and to remove fluid only from the first or only from the second cryocontainer.
- the smaller of the cryocontainers is preferably lowered to the lower working pressure and fluid is only taken from the larger cryocontainer when an expected required power of the system is above a threshold value and fluid is only taken from the smaller cryocontainer when the expected required power of the system is below the threshold.
- an expected route profile can preferably be used here in order to determine the required power.
- cryocontainers can further increase the usable content of the cryocontainer, because by lowering the working pressure in one of the cryocontainers to a level at which the system can only support a low engine output, the hold time of this cryocontainer can be extended.
- the system can be switched to a fourth operating state if the pressure in both cryogenic containers lies between a working pressure and the aforementioned threshold value, and in the fourth operating mode the system is designed to select the two mass flows in such a way that the pressure in both cryogenic containers is lowered to the working pressure and the hold time of the two cryocontainers converges during removal and / or increases at essentially the same rate.
- an operating mode can be achieved which is selected immediately after the system has been started, i.e. in the above-mentioned embodiments before the first or second operating mode.
- the fourth operating mode enables the pressure in the cryogenic container to be reduced to the working pressure, taking the hold time into account.
- fluid is only withdrawn from the cryocontainer in the gas phase, since this allows the working pressure to be reached as quickly as possible.
- the fluid is withdrawn from one of the cryocontainers in the gas phase and from the other cryocontainer in the liquid phase, for example if this helps the hold time to converge more quickly.
- control unit could regulate the mass flows according to a prescribed scheme, for example control the said on / off valve after a predetermined time, whereby the first operating mode can be achieved.
- control unit preferably comprises a computing unit which is designed to record the current hold time of the first and / or to calculate the second cryocontainer and to control the mass flows based on the calculated hold time. This can be done, for example, by measuring a current fill level and / or a current pressure in the cryocontainer in order to determine the current hold time therefrom.
- a calculated hold time has the advantage that the mass flows can be controlled more precisely and an improved hold time of the overall system can thereby also be achieved.
- control unit can be designed to determine the current hold time of the first and / or the second cryocontainer from precalculated values or from values measured during a reference measurement.
- the removal rate of the fluid from the two cryocontainers can be measured during the removal or simply an operating time of the system can be used.
- the system according to the invention can be implemented in a particularly simple manner in that the system comprises a first valve in the first extraction line and a second valve in the second extraction line, and the control unit is designed to control the valves in order to set the first and second mass flow rates.
- the system comprises a measuring device which is designed to measure a current volume of the fluid and / or a current working pressure of the fluid in the first cryocontainer and / or in the second cryocontainer and to send it to the control unit. In this way, the hold time of the two cryocontainers can be determined particularly precisely.
- the container volumes can preferably be stored in a database that can be queried by the control unit. This can be advantageous, for example, if the hold time is calculated immediately. In some embodiments, however, it is not necessary to store the container volumes, for example if reference values of the hold time are available.
- FIG. 1 shows a motor vehicle on which the system according to the invention is mounted.
- FIG. 2 shows a diagram in which the hold time is plotted in relation to a current container fill level of two different cryogenic containers.
- FIG. 1 shows a motor vehicle 1 with a support frame 2 and two axles 3, 4.
- a cryocontainer 7, 8 is mounted on each side 5, 6 of the support frame 2 between the axles 3, 4.
- the cryogenic containers 7, 8 each store fluid, for example liquefied natural gas, which is also known to those skilled in the art as LNG (“Liquid Natural Gas”).
- LNG Liquid Natural Gas
- the fluid is present in the cryogenic containers 7, 8 both in liquid form and in the gaseous state. If the cryocontainers 7, 8 are used in connection with a motor vehicle 1, the stored fluid can serve, for example, as fuel for an engine of the motor vehicle 1. In other embodiments, however, the cryocontainers 7, 8 could also be provided in other areas of use.
- the first cryocontainer 7 has a container volume VI which is larger than a container volume V2 of the second cryocontainer 8.
- a container volume VI which is larger than a container volume V2 of the second cryocontainer 8.
- the pressure in the cryogenic containers 7, 8 is between 6 and 8 bar, for example.
- This pressure can be regulated, for example, by withdrawing fluid or by a heat exchanger protruding into the respective cryocontainer.
- the pressure in the cryogenic containers 7, 8 increases steadily due to a constant introduction of heat into the cryogenic containers 7, 8.
- both the first cryogenic container 7 and the second cryogenic container 8 each have a pressure relief valve 9, 10, which is directly or indirectly connected to the respective cryogenic container via a connecting line 7, 8 is connected.
- the pressure relief valves 9, 10 trigger at a predetermined pressure, which is 16 bar, for example, and in the process emit fluid in a gaseous state.
- the two pressure relief valves 9, 10 trigger at the same predetermined pressure, but it can also be provided that they can trigger at different pressures.
- the time span from the completion of the removal to a point in time at which the pressure in the cryocontainer 7, 8 reaches a predefined threshold value is referred to as the so-called hold time. It goes without saying that the hold time of the two cryocontainers 7, 8 should be as high as possible, since discharged fluid represents an economic loss and an adverse effect on the environment.
- the hold time of the respective cryogenic container 7, 8 is calculated, among other things, from the container volume VI, V2, since a larger container surface area simultaneously a larger one Heat input means. Furthermore, the hold time depends on the current volume of fluid in the cryocontainer 7, 8 and the pressure difference between the trigger pressure of the respective overpressure valve 9, 10 and the operating pressure that prevails in the respective cryocontainer 7, 8 at the time the withdrawal is completed.
- a predetermined ambient temperature of the cryogenic containers 7, 8 or a predetermined heat input into the cryogenic containers 7, 8 can be assumed for the calculation of the hold time.
- the ratio of the hold time of the two cryogenic containers 7, 8 depends only slightly on the ambient temperature.
- FIG. 2 shows a diagram in which the current volume of fluid is plotted in relation to the total container volume on the horizontal axis and the hold time in days is plotted on the vertical axis.
- HT1 shows the curve of the hold time of a first cryogenic container 7 with a container volume VI of 5001.
- the curve of the hold time of a cryocontainer 8 with a container volume V2 of 3001 is shown with HT2. It can be seen that the first cryocontainer 7 with the larger container volume VI has a longer hold time than the second cryocontainer 8 with the smaller container volume V2 at the same fill level. In the example shown, a minimum hold time of four days was selected.
- the system 1 comprises a first extraction line 11, which connects to the first cryocontainer 7 for removing a first mass flow Ml of fluid, and a second extraction line 12, which connects to the second cryocontainer 8 connects to the removal of a second mass flow M2 of fluid.
- the system 1 comprises means 13 which are designed to form the two mass flows Ml, M2 of different sizes. This is used with the aim of achieving as long as possible after the withdrawal has ended, at which time one of the two pressure relief valves 9, 10 is triggered. This is achieved when the hold time of the two cryocontainers 7, 8 is essentially the same during removal.
- the means 13 can be designed, for example, as a control unit 14 which controls the mass flows Ml, M2. This can be achieved, for example, via valves 15, 16, which are each arranged in the extraction lines 11, 12 and are controlled by the control unit 14. In alternative embodiments, however, the means 13 can also only comprise a rigid throttle in one of the extraction lines 11, 12.
- the control unit 14 can comprise a computing unit which is designed to process the to calculate the current hold time of the first and / or the second cryocontainer 7, 8.
- the system 1 can in particular comprise a measuring device which is designed to measure a current volume of the fluid and / or a current working pressure of the fluid in the first cryocontainer 7 and / or in the second cryocontainer 8 and to send it to the control unit 14.
- Other measured values could also be measured and sent to the control unit 14 in order to control the mass flows Ml, M2 even more efficiently.
- control unit 14 can also control the mass flows Ml, M2 without direct measurements on the fluid in the cryogenic containers 7, 8, for example by controlling the mass flows Ml, M2 according to a predetermined scheme, for example also as a function of the withdrawal time or a expected withdrawal volume of the fluid.
- the system 1 can be operated in a first operating mode and / or in a second operating mode by means of the means 13, by means of which the mass flows Ml, M2 can be configured to be of different sizes.
- the mass flows Ml, M2 are set in such a way that the hold time of the two cryogenic containers 7, 8 converges.
- the mass flows Ml, M2 can be set in such a way that the hold time of the two cryogenic containers 7, 8 decreases essentially at the same rate if the hold time of the two cryogenic containers 7, 8 are essentially the same.
- the system 1 is operated only in the first or only in the second operating mode. If the system 1 is operated, for example, only in the first operating mode and if the mass flows Ml, M2 are set to the same size after reaching the same hold time, the hold time will diverge again. In some cases, however, this divergence can be accepted, for example if a simplified control is to be achieved. The system 1 could also be switched back to the first operating mode if the divergence exceeds a threshold value.
- the system 1 is preferably operated first in the first operating state until the hold time of the two cryogenic containers 7, 8 is essentially the same.
- the system 2 is then operated in the second operating state, so that the hold time of the two cryocontainers 7, 8 decreases essentially at the same rate. Should it happen that the hold time of the two cryocontainers 7, 8 deviates again, for example due to external influences, it is possible to switch back to the first operating mode until the hold Time of the two cryogenic containers 7, 8 is again the same, in order to then switch back to the second operating mode.
- fluid is withdrawn in the first and / or in the second operating state in the liquid phase in order to achieve the highest possible performance.
- fluid can also be withdrawn in the gas phase, as a result of which, for example, an economizer function can be achieved.
- the control unit 14 can also make a selection as to whether fluid is to be withdrawn in the gas phase or in the liquid phase in order to achieve a converging or constant hold time.
- cryocontainers 7, 8 are fully filled, fluid would initially only be removed from the 5001 cryocontainer 7 until it has a remaining hold time of 7.2 days, which corresponds to the hold time of the full 3001 cryocontainer 8. In general, however, just enough fluid, preferably in the gas phase, can be withdrawn from the small cryocontainer 8 in the first operating mode in order to keep the pressure therein constant, as a result of which a maximum hold time of this cryocontainer 8 is achieved.
- a full cryocontainer 7 with 5001 holds approx. 160 kg of LNG.
- a 3001 cryocontainer 8 holds approx. 95 kg of LNG.
- the first 65 kg are only removed from the 5001 cryocontainer 7. During this time, just enough is removed from the 3001 cryocontainer 8 to keep the pressure constant.
- the hold time is subsequently shortened by one day when approx. 18.5 kg of LNG are removed from the 5001 cryocontainer 7 and approx. 16.7 kg of LNG are removed from the 3001 cryocontainer 8.
- the 5001 cryocontainer 7 can be operated up to a residual amount of approx. 34 kg LNG (level 13%) and the 3001 cryocontainer 8 up to a residual amount of 42 kg (level 37%).
- the minimum hold time of four days is reached at these levels.
- a further increase in the usable contents of the cryocontainer can be achieved if a third operating state is also provided.
- the smaller cryocontainer 8 can be lowered to a lower pressure in order to achieve a hold time of four days again through the greater pressure interval thus created.
- the motor is supplied with lower pressures in partial load operation from the smaller cryocontainer 8.
- a route profile can be used, which can be read, for example, from a map recorded in advance.
- the pressure of the 3001 cryocontainer is reduced from 8 bar to 6 bar in the third operating mode, the remaining mass for 4 days of hold time is reduced by 16 kg from 42 kg to 26 kg and the total usable mass increases from 179 kg to 195 kg .
- the third operating mode can either be controlled by the aforementioned control unit 14 or by a separate control unit which can be connected to the aforementioned control unit 14.
- heat exchangers which protrude into the respective cryocontainer 7, 8 can be activated to adjust the pressure.
- a fourth operating mode could also be provided, which is selected, for example, as the start mode when the pressure in one or in both cryogenic containers 7, 8 is above a desired working pressure.
- the mass flows Ml, M2 can be designed to be of different sizes in this fourth operating mode, on the one hand to reach the working pressure quickly, but on the other hand also to achieve a converging or constant hold time.
- fluid is usually withdrawn in the gas phase.
- fluid could also be withdrawn in the liquid phase if this helps to achieve a converging or constant hold time.
- cryocontainers 7, 8 can also have an equally large volume VI, V2.
- the setting of different mass flows Ml, M2 can then be advantageous if the fill level of the two cryocontainers is different, since this results in a different hold time of the two cryocontainers 7, 8.
- no second operating mode is usually provided, ie the second operating mode is only provided in some embodiments if the cryogenic containers have container volumes VI, V2 of different sizes.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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AT502102019 | 2019-11-29 | ||
PCT/AT2020/060342 WO2021102489A1 (de) | 2019-11-29 | 2020-09-23 | System mit zumindest zwei kryobehältern zur bereitstellung eines fluids |
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EP4065878A1 true EP4065878A1 (de) | 2022-10-05 |
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Family Applications (1)
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EP20780903.9A Pending EP4065878A1 (de) | 2019-11-29 | 2020-09-23 | System mit zumindest zwei kryobehältern zur bereitstellung eines fluids |
Country Status (6)
Country | Link |
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US (1) | US20230003344A1 (de) |
EP (1) | EP4065878A1 (de) |
AU (1) | AU2020390422A1 (de) |
CA (1) | CA3158688A1 (de) |
CO (1) | CO2022008673A2 (de) |
WO (1) | WO2021102489A1 (de) |
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WO2023108186A1 (de) | 2021-12-15 | 2023-06-22 | Cryoshelter LH2 GmbH | System zur umweltschonenden befüllung eines kryobehälters an einem fahrzeug |
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DE102013018341A1 (de) * | 2013-10-31 | 2015-04-30 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Regelung des Drucks in einem Flüssigerdgasbehälter |
EP3093178B1 (de) * | 2015-05-11 | 2017-12-27 | Salzburger Aluminium Aktiengesellschaft | Tanksystem für ein fahrzeug |
CA2990956A1 (en) * | 2015-06-29 | 2017-01-05 | Westport Power Inc. | Multi-vessel fluid storage and delivery system |
PT3236133T (pt) * | 2016-04-22 | 2020-03-03 | Salzburger Aluminium Ag | Sistema de tanque |
DE202019103696U1 (de) * | 2018-07-10 | 2019-11-11 | Iveco Magirus Ag | System zur Verwaltung des Füllstands von Flüssiggas-Kraftstoff in einem Gasfahrzeug |
-
2020
- 2020-09-23 CA CA3158688A patent/CA3158688A1/en active Pending
- 2020-09-23 AU AU2020390422A patent/AU2020390422A1/en active Pending
- 2020-09-23 US US17/756,508 patent/US20230003344A1/en active Pending
- 2020-09-23 WO PCT/AT2020/060342 patent/WO2021102489A1/de unknown
- 2020-09-23 EP EP20780903.9A patent/EP4065878A1/de active Pending
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2022
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Publication number | Publication date |
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WO2021102489A1 (de) | 2021-06-03 |
US20230003344A1 (en) | 2023-01-05 |
CO2022008673A2 (es) | 2022-07-19 |
AU2020390422A1 (en) | 2022-06-09 |
CA3158688A1 (en) | 2021-06-03 |
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