CN106015921A - Vertical container used for storing low-temperature liquid - Google Patents

Vertical container used for storing low-temperature liquid Download PDF

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Publication number
CN106015921A
CN106015921A CN201610530969.9A CN201610530969A CN106015921A CN 106015921 A CN106015921 A CN 106015921A CN 201610530969 A CN201610530969 A CN 201610530969A CN 106015921 A CN106015921 A CN 106015921A
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CN
China
Prior art keywords
liquid nitrogen
container
storing
low
vertical vessel
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.)
Granted
Application number
CN201610530969.9A
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Chinese (zh)
Other versions
CN106015921B (en
Inventor
魏蔚
陈晓晶
王凌坤
施海涛
况开锋
惠昱轩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Guofu Hydrogen Energy Technology Equipment Co Ltd
Original Assignee
Zhangjiagang Furui Hydrogen Energy Equipment Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Zhangjiagang Furui Hydrogen Energy Equipment Co Ltd filed Critical Zhangjiagang Furui Hydrogen Energy Equipment Co Ltd
Priority to CN201610530969.9A priority Critical patent/CN106015921B/en
Publication of CN106015921A publication Critical patent/CN106015921A/en
Application granted granted Critical
Publication of CN106015921B publication Critical patent/CN106015921B/en
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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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
    • 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
    • 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
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • 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
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • 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
    • F17C2223/0107—Single phase
    • F17C2223/013—Single phase liquid
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a vertical container used for storing low-temperature liquid. The vertical container comprises a shell provided with a seal cavity, an inner container mounted in the cavity and used for storing the low-temperature liquid and a cold source container used for storing liquid nitrogen; the outer side of the inner container is coated with a liquid nitrogen cold shield, a liquid nitrogen cooling pipe is arranged on the liquid nitrogen cold shield, and the liquid nitrogen cooling pipe and the cold source container are communicated to form a liquid nitrogen circulation loop; and the vertical container mainly adopts a heat insulation manner combining vacuum multi-layer heat insulation with the liquid nitrogen cold shield to reflect the excellent heat insulation performance. An inner container used for storing liquid nitrogen media is arranged in the vertical container, the independent liquid nitrogen cold source container and the independent liquid nitrogen cold shield are arranged, through dissipation of liquid nitrogen in the cold source container, the heat wall temperature of the liquid nitrogen container is reduced to 77 K from 300 K, the radiant heat flux is reduced to 1/150 to 1/200 of the original flux, and therefore the aim of greatly reducing the daily evaporation rate loss of the container is achieved.

Description

A kind of vertical vessel for storing cryogenic fluids
Technical field
The present invention relates to the warehousing and transportation facilities of a kind of cryogenic liquid, particularly relate to a kind of storage such as low temperature such as liquid hydrogen The vertical vessel of liquid.Belong to cryogenic technique field.
Background technology
In cryogenic technique field, cryogenic liquid refers to less than-160 DEG C gases existed in liquid form, such as liquid Oxygen, liquid nitrogen, liquid argon, liquid hydrogen, liquid helium, liquid methane and LNG etc., it is raw that they are widely used in industry Produce, in hospital and daily life.Low-temperature liquid storage container is typically the bilayer being made up of inner bag and shell Structure, is vacuum layer between inner bag and shell, and filling heat insulator ensures heat insulation between vacuum layer Effect.
Current existing low-temperature liquid storage container many employings high vacuum multiple layer heat insulation or vacuum-powders insulation Pattern, if but be used for the cryogenic liquid storing liquid hydrogen, this boiling point of liquid helium is low, the latent heat of vaporization is little, adopt Often being difficult to general low-temperature liquid storage container store, its Daily boil-off-rate can be the highest, stores the time Can be the shortest.Therefore the container being used for containing this class I liquid I must have excellent heat-insulating property.
The most existing low-temperature (low temperature) vessel storing liquid hydrogen mainly uses gas curtain and protection of liquid nitrogen screen both Heat insulating construction.The LHC of gas curtain structure is to use the method for cold steam in returnable, utilizes cold Can absorb the principle of big calorimetric when steam re-heat is to room temperature, coiled pipe cooling protection screen is set in a reservoir thus Improve the heat-insulating property of container.But the storage of liquid hydrogen container using this heat insulating construction mostly is horizontal small container, Jumbo storage container uses its insulation effect of this kind of heat insulating construction inconspicuous.
The another kind of storage of liquid hydrogen container using protection of liquid nitrogen screen is to increase a liquid nitrogen in the outside of inner pressurd vessel Container, makes liquid hydrogen inner pressurd vessel be among liquid nitrogen container all the time, thus reduces heat radiation, it is ensured that adiabatic effect Really.Its heat-insulating property of LHC with such heat insulating construction is better than the heat-insulating property of gas curtain container Some, and meet that cold is little, stabilization time is short, but its structure is complicated, heavy, and nitrogen consuming amount is relatively big, needs The liguefied nitrogen of auxiliary to be had.
Summary of the invention
The present invention provides that a kind of heat-insulating property is excellent, Daily boil-off-rate is low, store time length for storing liquid The vertical vessel of the cryogenic liquids such as hydrogen, this vertical vessel mainly uses vacuum multi-layer insulation and liquid nitrogen cold screen phase In conjunction with adiabatic form embody the heat-insulating property of its excellence.It is not only provided with storage in the inside of this vertical vessel The inner pressurd vessel of liquid storage hydrogen medium, but also it is provided with an independent liguefied nitrogen container and the cold screen of liquid nitrogen, Make the hot wall temperature of LHC be down to 77K from 300K by consuming the liquid nitrogen in low-temperature receiver container, make radiation Hot-fluid is reduced to original 1/150～1/200, thus reaches to be greatly lowered the mesh of container Daily boil-off-rate loss 's.
For achieving the above object, the present invention provides following technical scheme:
The embodiment of the present application discloses a kind of vertical vessel for storing cryogenic fluids, has including one Seal the shell of cavity and the inner bag for storing cryogenic fluids being installed in described cavity and for Storing the low-temperature receiver container of liquid nitrogen, the outside of described inner bag is coated with the cold screen of liquid nitrogen, the cold screen of described liquid nitrogen sets Being equipped with liquid nitrogen cooling tube, between described liquid nitrogen cooling tube and low-temperature receiver container, connection constitutes liquid nitrogen closed circuit.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described low-temperature receiver container is arranged Bottom in described cavity.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described liquid nitrogen cooling tube is certainly The bottom of described low-temperature receiver container is drawn, and enters formation closed circuit from the top of described low-temperature receiver container.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described liquid nitrogen cooling tube with Coiled fashion is fixed on the cold screen surfaces of described liquid nitrogen.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, the cold screen of described liquid nitrogen interior It is respectively provided on two sides with outward internal insulation and outer heat insulation layer.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described internal insulation includes Being wound around 50～80 layers of aluminium foil and the fibrous glass insulation paper of wrapping, aluminium foil alternately sets with fibrous glass insulation paper Put.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described outer heat insulation layer includes It is wound around 15～20 layers of aluminium foil and the fibrous glass insulation paper of wrapping.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described inner bag and shell it Between be relatively fixed by suspender.
Preferably, in the above-mentioned vertical vessel for storing cryogenic fluids, described low-temperature receiver container is with outer It is relatively fixed by bottom fixed support device between shell.
Compared with prior art, it is an advantage of the current invention that:
(1), store the container inner liner of liquid hydrogen and be sealed in one as the liquid nitrogen container of low-temperature receiver simultaneously and bear The enclosure of external pressure, and being bearing in shell by suspender and base support means, make two containers with There is certain mezzanine space in shell；
(2), between storage container and shell, it is provided with cold screen structure, cold screen arranges many and holds from low-temperature receiver The nitrogen cooling tube that device is drawn, makes the cold in liquid nitrogen container be transferred to the inner bag of storing cryogenic fluids, to this Vertical vessel inner bag plays cooling effect；
(3), nitrogen cooling tube is drawn by bottom liquid nitrogen container, by the fixing connector being arranged on cold screen It is securely seated between on cold screen.Nitrogen cooling tube is extended upwardly to container top by the bottom space of container, Be eventually returned to liquid nitrogen container, nitrogen cooling tube end stretch into can make in cooling tube inside liquid nitrogen container vaporized Liquid nitrogen realizes again liquefying, and reduces the loss to liguefied nitrogen.Nitrogen cooling tube can also use the shapes such as coiling Formula extends the length of cooling tube in container, to increase heat exchange area.
(4), fill out in the mezzanine space of shell with the mezzanine space of cold screen and cold screen at two internal containers Fill adiabator evacuation, the insulation effect of this vertical vessel can be further enhanced.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below, Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art From the point of view of, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 show in the specific embodiment of the invention structure of the vertical vessel for storing cryogenic fluids and shows It is intended to.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Detailed description, it is clear that described embodiment is only a part of embodiment of the present invention rather than complete The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation Property work on the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.
Fig. 1 shows a kind of vertical vessel for storing liquid hydrogen medium according to embodiments of the present invention, It has the shell structure of bilayer, including one for storing inner bag 1 and the shell 2 of liquid hydrogen, the most outside Shell 2 also includes one for the low-temperature receiver container 3 storing liquid nitrogen.Inner bag 1 define for accommodate liquid hydrogen or The space of other cryogenic liquid, low-temperature receiver container 3 defines and is suitable as low-temperature receiver for accommodating liquid nitrogen or other The space of cryogenic liquid.Inner bag 1 and low-temperature receiver container 3 are by a cylindrical cylinder and two difference It is positioned at the end socket composition at cylinder two ends.Store the container inner liner 1 of liquid hydrogen and store the low-temperature receiver container 3 of liquid nitrogen It is sealed in a shell 2 bearing external pressure internal simultaneously, and by suspender 8 and base support means 9 It is bearing in shell 2, makes two containers 1,3 there is certain mezzanine space with shell 2.By by interlayer Evacuation ensures the insulation effect of vertical vessel.
Store and be provided with the cold screen of liquid nitrogen 5 between inner bag 1 and the shell 2 of liquid hydrogen, can have by the cold screen of liquid nitrogen 5 Effect ground reduces the wall temperature of inner bag 1, reduces radiant heat.The cold screen of liquid nitrogen 5 is rolled by an aluminium sheet and forms Aluminum cylinder and aluminum end socket are welded to form, and are further fixed on some liquid nitrogen cooling tubes on aluminum cylinder 4, the cold in low-temperature receiver container 3 can be delivered to the cold screen of liquid nitrogen 5 by these pipelines, then relies on cold screen to subtract Few heat radiation, thus reduce the purpose of inner bag 1 outside wall temperature.
Liquid nitrogen cooling tube 4 is drawn from the bottommost of low-temperature receiver container 3, by the fixing company being arranged on cold screen Fitting is securely seated between on cold screen.So can ensure that when the liquid nitrogen level in low-temperature receiver container 3 relatively Still can flow into liquid nitrogen cooling tube 4 time low and complete the circulation of nitrogen vapor, to reach the mesh of " Cooling capacity exchanging " 's.
Liquid nitrogen cooling tube 4 is roundabout on the cold screen of liquid nitrogen 5 after the bottom of low-temperature receiver container 3 is drawn coils layout, Extend to inner bag 1 top, to reach to increase the purpose of heat exchange area.
The end of liquid nitrogen cooling tube 4 is finally returned to the inside of low-temperature receiver container 3, makes in liquid nitrogen cooling tube 4 The liquid nitrogen being vaporized realizes again liquefying, and reduces the loss of liquid nitrogen in low-temperature receiver container 3.
In addition the inside and outside both sides of the cold screen of liquid nitrogen 5 have wrapped up internal insulation 6 and outer heat insulation layer 7 respectively, permissible Preferably ensure insulation effect, improve the heat-insulating property of whole vertical vessel further, accomplish effectively to store Liquid hydrogen.Preferably, internal insulation 6 is wound around about 50～80 layers of aluminium foil of wrapping and fibrous glass insulation paper, and Outer heat insulation layer 7 is wound around about 15～20 layers of aluminium foil of wrapping and fibrous glass insulation paper.Aluminium foil is exhausted with glass fibre It is arranged alternately between hot paper.
In sum, the present invention stores the container inner liner of liquid hydrogen and the liquid nitrogen container as low-temperature receiver seals simultaneously An enclosure bearing external pressure, and it is bearing in shell by suspender and base support means, Two containers and shell is made to there is certain mezzanine space.Store and be provided with cold screen structure between container and shell, Cold screen arranges the many nitrogen cooling tubes drawn from low-temperature receiver container, makes the cold in liquid nitrogen container be transferred to The inner bag of storing cryogenic fluids, plays cooling effect to this vertical vessel inner bag.Nitrogen cooling tube is held by liquid nitrogen Draw bottom device, be securely seated between on cold screen by the fixing connector being arranged on cold screen.Nitrogen Cooling tube is extended upwardly to container top by the bottom space of container, is eventually returned to liquid nitrogen container, and nitrogen cools down Pipe end stretches into and liquid nitrogen vaporized in cooling tube can be made inside liquid nitrogen container to realize again liquefying, and it is right to reduce The loss of liguefied nitrogen.Nitrogen cooling tube can also use the forms such as coiling to extend the length of cooling tube in container Degree, to increase heat exchange area.Additionally, at the mezzanine space of two internal containers and cold screen and cold screen with outer Filling heat insulator evacuation in the mezzanine space of shell, can further enhance the adiabatic effect of this vertical vessel Really.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to One entity or operation are separated with another entity or operating space, and not necessarily requires or imply Relation or the order of any this reality is there is between these entities or operation.And, term " includes ", " bag Contain " or its any other variant be intended to comprising of nonexcludability, so that include a series of key element Process, method, article or equipment not only include those key elements, but also include being not expressly set out Other key elements, or also include the key element intrinsic for this process, method, article or equipment. In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that at bag Include and the process of described key element, method, article or equipment there is also other identical element.
The above is only the detailed description of the invention of the application, it is noted that general for the art For logical technical staff, on the premise of without departing from the application principle, it is also possible to make some improvement and profit Decorations, these improvements and modifications also should be regarded as the protection domain of the application.

Claims (9)

1. a vertical vessel for storing cryogenic fluids, it is characterised in that include that has a sealing The shell of cavity and the inner bag for storing cryogenic fluids being installed in described cavity and for storing The low-temperature receiver container of liquid nitrogen, the outside of described inner bag is coated with the cold screen of liquid nitrogen, the cold screen of described liquid nitrogen is provided with Liquid nitrogen cooling tube, between described liquid nitrogen cooling tube and low-temperature receiver container, connection constitutes liquid nitrogen closed circuit.
Vertical vessel for storing cryogenic fluids the most according to claim 1, it is characterised in that: Described low-temperature receiver container is arranged at the bottom of described cavity.
Vertical vessel for storing cryogenic fluids the most according to claim 2, it is characterised in that: Described liquid nitrogen cooling tube is drawn from the bottom of described low-temperature receiver container, and enters from the top of described low-temperature receiver container Form closed circuit.
Vertical vessel for storing cryogenic fluids the most according to claim 2, it is characterised in that: Described liquid nitrogen cooling tube is fixed on the cold screen surfaces of described liquid nitrogen with coiled fashion.
Vertical vessel for storing cryogenic fluids the most according to claim 1, it is characterised in that: Internal insulation and outer heat insulation layer it is respectively equipped with inside and outside the cold screen of described liquid nitrogen.
Vertical vessel for storing cryogenic fluids the most according to claim 5, it is characterised in that: Described internal insulation includes aluminium foil and the fibrous glass insulation paper of alternately superposition.
Vertical vessel for storing cryogenic fluids the most according to claim 5, it is characterised in that: Described outer heat insulation layer includes the 15～20 layers of aluminium foil being wound around wrapping and fibrous glass insulation paper.
Vertical vessel for storing cryogenic fluids the most according to claim 1, it is characterised in that: It is relatively fixed by suspender between described inner bag and shell.
Vertical vessel for storing cryogenic fluids the most according to claim 1, it is characterised in that: It is relatively fixed by bottom fixed support device between described low-temperature receiver container and shell.
CN201610530969.9A 2016-07-07 2016-07-07 A kind of vertical vessel for storing cryogenic fluids Active CN106015921B (en)

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CN110308175A (en) * 2019-07-29 2019-10-08 中国科学院合肥物质科学研究院 The device that multilayer insulant is tested under a kind of storage of liquid helium and liquid helium region
CN110529725A (en) * 2018-05-23 2019-12-03 张家港中集圣达因特种装备有限公司 Deep cooling medium storage-transport vessel
CN111174082A (en) * 2018-11-09 2020-05-19 张家港中集圣达因低温装备有限公司 Vertical fuel tank for ship
CN111237630A (en) * 2018-11-29 2020-06-05 天津良华新能源科技股份有限公司 Conveniently transport LNG's air entrainment storage tank
CN111566402A (en) * 2017-12-08 2020-08-21 林德有限责任公司 Transport container with coolable thermal shield
CN112113134A (en) * 2020-10-23 2020-12-22 金西盟干细胞(天津)有限责任公司 High-efficient adiabatic liquid nitrogen storage jar
CN112344201A (en) * 2020-10-26 2021-02-09 航天晨光股份有限公司 Flat-opening normal-pressure container with double-layer cold screen vacuum heat-insulating structure and manufacturing method thereof
CN113586940A (en) * 2021-07-30 2021-11-02 中科富海(中山)低温装备制造有限公司 Liquid nitrogen cold shield structure
CN114370598A (en) * 2022-01-17 2022-04-19 陈五亮 Liquid hydrogen/hydrogen gas storage and transportation device and use method thereof
CN114458944A (en) * 2022-02-23 2022-05-10 中太(苏州)氢能源科技有限公司 Land storage tank for storing liquid hydrogen and liquid helium
CN114458946A (en) * 2022-02-23 2022-05-10 中太(苏州)氢能源科技有限公司 Metal film storage cabin for storing liquid hydrogen and liquid helium
CN114562675A (en) * 2022-02-23 2022-05-31 中太(苏州)氢能源科技有限公司 Metal storage cabin for storing liquid hydrogen and liquid helium
CN114576548A (en) * 2022-01-26 2022-06-03 江苏秋林特能装备股份有限公司 Efficient liquid hydrogen fuel system
CN114673924A (en) * 2022-03-18 2022-06-28 中国人民解放军63796部队 Multilayer low-temperature storage tank for supercooled oxygen preparation and lossless storage
CN114684506A (en) * 2020-12-29 2022-07-01 北京航天试验技术研究所 Horizontal container for storing cryogenic liquid
CN114838285A (en) * 2022-05-27 2022-08-02 中国国际高新技术集团有限公司 Multi-inner-layer isolated liquid hydrogen storage device with heat insulation function
CN114877244A (en) * 2021-12-06 2022-08-09 中太海事技术(上海)有限公司 Land liquid hydrogen storage tank with liquid nitrogen cold wall
CN114923115A (en) * 2022-05-25 2022-08-19 中太(苏州)氢能源科技有限公司 Cold-keeping low-temperature liquefied gas container
CN114923114A (en) * 2022-05-25 2022-08-19 中太(苏州)氢能源科技有限公司 Multilayer low temperature liquid hydrogen storage tank
CN114923112A (en) * 2022-05-25 2022-08-19 中太(苏州)氢能源科技有限公司 Liquid hydrogen tank cold insulation device and method
CN114962978A (en) * 2022-07-12 2022-08-30 杭州富士达特种材料股份有限公司 Multi-screen heat insulation structure of ultralow-temperature liquid hydrogen storage and transportation gas cylinder and liquid hydrogen storage and transportation gas cylinder
CN116293407A (en) * 2022-12-03 2023-06-23 杭州富士达特种材料股份有限公司 Active nitrogen replacement vacuum multilayer heat insulation low-temperature container and use method thereof

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