CN103234112A - Mobile low-temperature liquefied gas storage system - Google Patents
Mobile low-temperature liquefied gas storage system Download PDFInfo
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- CN103234112A CN103234112A CN2013101505691A CN201310150569A CN103234112A CN 103234112 A CN103234112 A CN 103234112A CN 2013101505691 A CN2013101505691 A CN 2013101505691A CN 201310150569 A CN201310150569 A CN 201310150569A CN 103234112 A CN103234112 A CN 103234112A
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- 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
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Abstract
The invention belongs to the technical field of liquefied gas storage in a new energy technology, and discloses a mobile low-temperature liquefied gas storage system. The mobile low-temperature liquefied gas storage system comprises a low-temperature liquefied gas storage tank, a low-temperature cooling loop and a separable refrigerating device. According to the mobile low-temperature liquefied gas storage system, the separable refrigerating device is disassembled when a mobile traffic platform works, so that the weight of the storage tank is reduced, and the performance of the mobile platform is improved; and the separable refrigerating device is assembled when the mobile traffic platform is static on the ground for a long time, so that the heat insulation and cold insulation performance is improved, and the evaporation rate of liquefied gas is reduced. The invention also discloses the low-temperature cooling loop which adopts the mode of an annular loop heat pipe or a pump-driven cold carrier circulating pipeline and is provided with a heat exchange joint which can be assembled and disassembled quickly to exchange heat with the separable refrigerating device, so that a shell of the storage tank can be kept at a low temperature. The invention also discloses the separable refrigerating device; and the refrigerating output end serves as the heat exchange joint with a quick assemble and disassemble function, can be quickly assembled with or separated from the mobile low-temperature liquefied gas storage system, and provides a cold source for the mobile low-temperature liquefied gas storage system.
Description
Technical field
The invention belongs to technical field of new energies, relate to a kind of movable liquefied combustion gas storage system, be specifically related to a kind of mobile traffic platform that is equipped on, the low-temperature liquefaction combustion gas storage system of fuel is provided for power system.The invention still further relates to a kind of coolant cooling circuit for low-temperature liquefaction combustion gas storage system and a kind of detachable refrigeration plant for low-temperature liquefaction combustion gas storage system.
Background technique
Low-temperature liquefaction storage be at present on technology maturity and feasibility close to the combustion gas storage mode of applying on a large scale, the combustion gas of low-temperature liquefaction such as liquid hydrogen, LNG Liquefied natural gas is clean environment firendly not only, and have very high energy density, adopt new energy aircraft, automobile and the naval vessel of liquefaction gas therefore to be with a wide range of applications and enormous and latent market.It is to be solved and perfect that but the low-temperature liquefaction combustion gas that the mobile traffic platform carries storage still exists some ins and outs to have, and is considered to the key that the new energy traffic tool move towards practicability and scale.
Liquefaction gas is stored in the storage tank with ultralow temperature usually, has the huge temperature difference with ambient temperature, so storage tank exists all the time and leak heat, causes jar an interior liquefaction gas to produce to vaporize accordingly and evaporates.In order to prevent that storage tank from exceeding design stores pressure, the decompression of need when the jar internal pressure reaches design limit pressure, exitting, this has just produced the evaporation loss of liquefaction gas.In the present low-temperature liquefaction combustion gas field of storage, adopt efficient passive cold insulation measures such as high-vacuum insulation, high vacuum multiple layer heat insulation, high-performance aerogel heat-insulating to reduce the vaporization steam output usually.If there is not the breakthrough on the new type of passive Thermo Isolation Technique, improving the storage tank heat-insulating property can only be by increasing heat insulation layer thickness, also just mean the increase of storage tank weight and volume, it is conflicting that the practicality of the small volume and less weight that this and mobile traffic platform propose the liquefaction gas storage system requires.
In addition, be equipped on liquefaction gas storage system and the fixed liquefaction gas storage tank in ground on the mobile traffic platform have 2 remarkable different, can the requirement of heat-insulating property be exerted an influence.At first, the movement of carrying platform can cause storage tank thermal environment of living in and the bigger variation of heat transfer boundary condition generation, storage tank is leaked hot size exert an influence; Secondly; because the power system work of mobile platform is to need consume fuel; therefore whether to lose or lose effect all relevant with the power system operating mode for the liquefaction gas of vaporization evaporation; the whole emptying losses of vaporization steam output when shutting down as power system; power system when work be according to its specific fuel consumption and the relation of leaking thermogenetic vaporization relative evaporation, possible partial loss or do not lose fully.But at present, the liquefaction gas storage system of carrying for the mobile traffic platform generally adopts design and the processing of carrying out heat-insulating property based on most severe condition, cause quality and the volume of such portable stocking system obviously to exceed standard, significantly reduced Economy and the practicability of liquefaction gas power traffic platform.
Be example with the hydrogen motor plane that adopts Liquid Hydrogen fuel, in the high-altitude flight stage, because the atmosphere environment temperature is low, the rarefaction of air convection heat exchange that also weakened, so liquid hydrogen storage tank outside wall temperature is lower, it is less to leak the liquid hydrogen steam output that heat causes; Simultaneously aircraft hydrogen power system produces the gas hydrogen that continues and consumes, so that liquid hydrogen leaks the influence of heat vaporization is less, and less demanding to the storage tank heat-insulating property.But shutdown is awaited orders the stage on ground; ambient temperature and convection heat exchange condition are all more abominable; can exceed surplus several times even ten times than the high cruise stage because leaking liquid hydrogen steam output that heat causes, the hydrogen power system is in vehicle stop state simultaneously, all emptying of liquid hydrogen of vaporization evaporation.Too high liquid hydrogen relative evaporation has seriously limited from filling hydrogen to the waiting time of taking off, thereby greatly reduces the difficulty that the hydrogen motor plane is carried out contingency tasks.At ground and the different requirements of high-altitude different conditions to liquid hydrogen storage tank heat-insulating property, can only adopt increase storage tank heat insulation layer thickness and the excessive liquid hydrogen of preliminary filling to deal with the measure of evaporation in the design of present airborne liquid hydrogen storage tank, and under the situation of two kinds of measures and usefulness, draw the minimum liquid hydrogen stocking system weight that satisfies mission requirements by optimizing to analyze.Increase storage tank heat insulation layer thickness and must increase the storage tank weight and volume, and the excessive liquid hydrogen of preliminary filling also means bigger tank volume, means the increase of storage tank weight and volume equally.Therefore actual liquid hydrogen storage system weight not only increases the aircraft gross weight far above the system weight that only need satisfy the high cruise state, and combined influence the general arrangement performance of aircraft, flying power when especially long.
Summary of the invention
First technical problem to be solved by this invention provides a kind of portable low-temperature liquefaction combustion gas storage system, and it has detachable active refrigeration cold insulation measure, carries out different cold insulation measures at the different operating state of storage tank.
For solving above technical problem, technical solution of the present invention is:
Portable low-temperature liquefaction combustion gas storage system comprises low-temperature liquefaction combustion gas storage tank, coolant cooling circuit and detachable refrigeration plant;
Described low-temperature liquefaction combustion gas storage tank is made up of inner casing, middle heat insulation layer and shell;
Described coolant cooling circuit is attached at low-temperature liquefaction combustion gas storage tank outer surface, or is built in the middle heat insulation layer of storage tank inside, is around shape or spiral surrounding shape to distribute;
Described refrigeration plant is the parts of quick-detach soon, for coolant cooling circuit provides low-temperature receiver.
As the embodiment of technique scheme, the low-temperature liquefaction combustion gas storage system that described portable low-temperature liquefaction combustion gas storage system is airborne, vehicle-mounted or boat-carrying is used for storing liquid hydrogen, liquid oxygen or LNG Liquefied natural gas.
Second technical problem that the present invention need solve provides a kind of coolant cooling circuit for portable low-temperature liquefaction combustion gas storage system, and its technical solution is:
Be attached at low-temperature liquefaction combustion gas storage tank outer surface, or be built in the middle heat insulation layer of storage tank, be around shape or the distribution of spiral surrounding shape, heat exchange joint and detachable refrigeration plant with fast demountable carry out heat exchange.
As the embodiment of technique scheme, described coolant cooling circuit adopts the form of loop checking installation heat pipe, with low-temperature liquefaction combustion gas storage tank contact-segment as evaporator section, to carry out heat exchange segment as condensating section with external refrigeration plant.
As the embodiment of technique scheme, the form that described coolant cooling circuit adopts pump to drive the cold carrying agent circulation loop passes to low-temperature liquefaction combustion gas storage tank by carrying cold cycle fluid with the cold that external refrigeration plant produces.
The 3rd technical problem that the present invention need solve provides a kind of detachable refrigeration plant for portable low-temperature liquefaction combustion gas storage system, and its technical solution is:
The refrigeration output terminal is the heat exchange joint with fast assembling-disassembling function, refrigeration plant only is connected and exchange heat with the corresponding heat exchange joint of coolant cooling circuit by quick detach heat exchange joint, can assemble fast with portable low-temperature liquefaction combustion gas storage system and separate.
The technique effect that the present invention can reach is:
The heat-insulating property of portable low-temperature liquefaction combustion gas storage system manufactures and designs according to the demand of lift-launch mobile traffic platform when the proper functioning, thereby has alleviated the weight of storage system heat insulation layer, has improved the performance of mobile traffic platform; When mobile traffic platform proper functioning, remove detachable refrigeration plant, alleviate the mobile traffic platform weight; When the mobile traffic platform of filling body fluid fuel needs the long period during static parking, carry out extra refrigeration and cold insulation by installing detachable refrigeration plant additional, guarantee that liquefaction gas has very low relative evaporation.
Be example with airborne liquid hydrogen storage system, adopt technological scheme of the present invention not only can reduce liquid hydrogen storage system weight and the aircraft gross weight of hydrogen motor plane, and the reduction of aircraft gross weight has reduced the specific fuel consumption of aircraft, further alleviated and requiredly carried liquid hydrogen weight or increase cruising time, can significantly improve the performance of hydrogen motor plane.Shut down on ground simultaneously or zero the time during armed state; can effectively solve the vaporization evaporation problem of liquid hydrogen by the detachable refrigeration plant of surface power supply; thoroughly solve the problem of deck alert time restriction behind the hydrogen motor plane servicing fluids hydrogen fuel, effectively promoted the maneuverability that emergency condition was executed the task, tackled to the hydrogen motor plane.
Description of drawings
Fig. 1 is the schematic representation that the present invention has the portable low-temperature liquefaction combustion gas storage system of removable active refrigeration cold insulation measure, indicates among the figure to be described as follows: 1 is low-temperature liquefaction combustion gas storage tank, and 2 is coolant cooling circuit, and 3 is detachable refrigeration plant.
Fig. 2 is the coolant cooling circuit schematic representation that adopts the loop checking installation heat pipe, indicate among the figure and be described as follows: 11 are low-temperature liquefaction combustion gas storage tank inner casing, 12 is low-temperature liquefaction combustion gas storage tank heat insulation layer, 13 is low-temperature liquefaction combustion gas storage tank shell, 21 is the heat exchange joint of fast demountable, and 22 is low temperature loop checking installation heat pipe.
Fig. 3 adopts pump to drive the coolant cooling circuit schematic representation of cold carrying agent circulation loop, indicate among the figure and be described as follows: 11 are low-temperature liquefaction combustion gas storage tank inner casing, 12 is low-temperature liquefaction combustion gas storage tank heat insulation layer, 13 is low-temperature liquefaction combustion gas storage tank shell, 21 is the heat exchange joint of fast demountable, 23 is cryopump, and 24 is the cold carrying agent circulation loop, and 25 are the circulation cold carrying agent.
Fig. 4 is detachable refrigeration plant, indicates among the figure to be described as follows: 31 are portable refrigerating device; 32 for carrying cold circulation loop; 33 is the heat exchange joint of fast demountable.
Embodiment
Enumerating airborne liquid hydrogen storage system below is example explanation the specific embodiment of the present invention, yet example is limited application area of the present invention only for the usefulness of reference and explanation.
Adopt technological scheme provided by the invention, the airborne liquid hydrogen storage tank heat insulation layer thickness that the hydrogen motor plane carries is according to manufacturing and designing close to the storage tank insulation requirement under the high cruise state.During regime of flight, remove detachable refrigeration plant, effectively reduce airborne storage tank weight and aircraft gross weight, improve In-Flight Performance and flying power; Before filling taking off behind the liquid hydrogen when preparation and armed state, connect detachable refrigeration plant, guarantee lower liquid hydrogen relative evaporation by refrigeration cold insulation measure initiatively, the leakage thermal evaporation problem of solution liquid hydrogen improves the emergent maneuverability that takes off and execute the task of hydrogen energy source aircraft to the restriction of ground waiting time.
Claims (8)
1. a portable low-temperature liquefaction combustion gas storage system is characterized in that: comprise low-temperature liquefaction combustion gas storage tank, coolant cooling circuit and detachable refrigeration plant;
Described low-temperature liquefaction combustion gas storage tank is made up of inner casing, middle heat insulation layer and shell;
Described coolant cooling circuit is attached at low-temperature liquefaction combustion gas storage tank outer surface, or is built in the middle heat insulation layer of storage tank inside, is around shape or spiral surrounding shape to distribute;
Described refrigeration plant is the parts of quick-detach soon, for coolant cooling circuit provides low-temperature receiver.
2. a kind of portable low-temperature liquefaction combustion gas storage system as claimed in claim 1 is characterized in that, is the low-temperature liquefaction combustion gas storage system of airborne, vehicle-mounted or boat-carrying, is used for storing liquid hydrogen, liquid oxygen or liquified natural gas.
3. coolant cooling circuit that is used for portable low-temperature liquefaction combustion gas storage system, it is characterized in that: be attached at low-temperature liquefaction combustion gas storage tank outer surface, or be built in the middle heat insulation layer of storage tank, be around shape or the distribution of spiral surrounding shape, heat exchange joint and detachable refrigeration plant with fast demountable carry out heat exchange.
4. the coolant cooling circuit for portable low-temperature liquefaction combustion gas storage system as claimed in claim 3, it is characterized in that, adopt the form of loop checking installation heat pipe, with low-temperature liquefaction combustion gas storage tank contact-segment as evaporator section, to carry out heat exchange segment as condensating section with external refrigeration plant.
5. the coolant cooling circuit for portable low-temperature liquefaction combustion gas storage system as claimed in claim 3, it is characterized in that, the form that adopts pump to drive the cold carrying agent circulation loop passes to low-temperature liquefaction combustion gas storage tank by carrying cold cycle fluid with the cold that external refrigeration plant produces.
6. detachable refrigeration plant that is used for portable low-temperature liquefaction combustion gas storage system, it is characterized in that: the refrigeration output terminal is the heat exchange joint with fast assembling-disassembling function, refrigeration plant only is connected and exchange heat with the corresponding heat exchange joint of coolant cooling circuit by quick detach heat exchange joint, can assemble fast from portable low-temperature liquefaction combustion gas storage system and separate.
7. the detachable refrigeration plant for portable low-temperature liquefaction combustion gas storage system as claimed in claim 6 is equipped with roller bottom it is characterized in that, has portable travelling performance.
8. the detachable refrigeration plant for portable low-temperature liquefaction combustion gas storage system as claimed in claim 6 is characterized in that self having the accumulation power supply system, has the emergent refrigerating capacity in short-term under the no ABAP Adapter condition.
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| CN2013101505691A CN103234112A (en) | 2013-04-26 | 2013-04-26 | Mobile low-temperature liquefied gas storage system |
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| CN2013101505691A CN103234112A (en) | 2013-04-26 | 2013-04-26 | Mobile low-temperature liquefied gas storage system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674038A (en) * | 2016-02-25 | 2016-06-15 | 上海宇航系统工程研究所 | Device used for storing low-temperature liquid in orbit for long time and cooling method of device |
| CN108826009A (en) * | 2018-06-29 | 2018-11-16 | 长春汽车燃气发展有限公司 | A kind of self cooled liquefied natural gas bottle |
| CN110043791A (en) * | 2019-04-30 | 2019-07-23 | 成都深冷科技有限公司 | The device and method of liquid hydrogen storage tank evaporation rate is reduced using liquid nitrogen cooling capacity |
| CN110375190A (en) * | 2019-08-14 | 2019-10-25 | 浙江海洋大学 | A kind of heat preservation cold-keeping device for LNG storage tank |
| CN111566402A (en) * | 2017-12-08 | 2020-08-21 | 林德有限责任公司 | Transport container with coolable thermal shield |
| CN114321700A (en) * | 2021-12-30 | 2022-04-12 | 陕西融科低温设备有限公司 | Storage system and storage method of clean fuel |
| FR3119375A1 (en) * | 2021-01-29 | 2022-08-05 | Safran | SET FOR TURBOMACHINE |
| EP4446236A1 (en) * | 2023-04-14 | 2024-10-16 | RTX Corporation | Cooling of aircraft cryogenic fuel tank assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111566402A (en) * | 2017-12-08 | 2020-08-21 | 林德有限责任公司 | Transport container with coolable thermal shield |
| CN111566402B (en) * | 2017-12-08 | 2022-03-25 | 林德有限责任公司 | Transport container with coolable thermal shield |
| CN108826009A (en) * | 2018-06-29 | 2018-11-16 | 长春汽车燃气发展有限公司 | A kind of self cooled liquefied natural gas bottle |
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| CN110375190A (en) * | 2019-08-14 | 2019-10-25 | 浙江海洋大学 | A kind of heat preservation cold-keeping device for LNG storage tank |
| FR3119375A1 (en) * | 2021-01-29 | 2022-08-05 | Safran | SET FOR TURBOMACHINE |
| CN114321700A (en) * | 2021-12-30 | 2022-04-12 | 陕西融科低温设备有限公司 | Storage system and storage method of clean fuel |
| EP4446236A1 (en) * | 2023-04-14 | 2024-10-16 | RTX Corporation | Cooling of aircraft cryogenic fuel tank assembly |
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Application publication date: 20130807 |