CN204387669U - Liquefied natural gas (LNG) tank peculiar to vessel - Google Patents
Liquefied natural gas (LNG) tank peculiar to vessel Download PDFInfo
- Publication number
- CN204387669U CN204387669U CN201420778264.5U CN201420778264U CN204387669U CN 204387669 U CN204387669 U CN 204387669U CN 201420778264 U CN201420778264 U CN 201420778264U CN 204387669 U CN204387669 U CN 204387669U
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- China
- Prior art keywords
- inner container
- shell
- natural gas
- lng
- liquefied natural
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- 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.)
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- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 95
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000011491 glass wool Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000003860 storage Methods 0.000 description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000010747 number 6 fuel oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model proposes a kind of liquefied natural gas (LNG) tank peculiar to vessel, the feed liquor pipeline, the gentle phase pipeline of fluid pipeline that comprise shell, be placed in inner container in shell and be in communication with the outside inner container inside, exit points when described feed liquor pipeline and fluid pipeline pass this shell on shell is higher than the most high liquid level (HLL) in described inner container.The utility model liquefied natural gas (LNG) tank peculiar to vessel by making feed liquor pipeline, the exit points of fluid pipeline when passing this shell on shell higher than the most high liquid level (HLL) in described inner container, shell can be avoided to use low temperature material to manufacture, and thus cost is lower.
Description
Technical field
The utility model relates to a kind of liquefied natural gas (LNG) tank peculiar to vessel.
Background technique
Along with the development of economic globalization and waterborne commerce, LNG Liquefied natural gas (LNG) is as emerging bunker fuel, by means of low-carbon (LC), environmental protection, economic dispatch advantage, along with China's national policy and the support of fund and phasing in of relevant supplementary measures, wide prospect will be presented gradually.The main component of LNG Liquefied natural gas is methane, and the atmospheric boiling point of methane is-162 DEG C, and critical temperature is-84 DEG C, and critical pressure is 4.1MPa.It is rock gas after purification (dehydration, de-hydrocarbon, acid gas removal body), adopts throttling, the technique of expansion and additional low-temperature receiver refrigeration makes methane become liquid to be formed.
LNG Liquefied natural gas be stored in can be low temperature resistant liquefied natural gas (LNG) tank in, liquefied natural gas (LNG) tank comprises shell and inner container, and the cold-resistant steel of inner container are made.Storage tank is also provided with the feed liquor pipeline for introducing LNG Liquefied natural gas, for drawing fluid pipeline and the vapor delivery line of LNG Liquefied natural gas, specify according to " Liquefied Natural Gas fuel filling landing stage waterborne enters level and builds specification " 2014 editions standards, the storage tank having liquid phase to import and export below most high liquid level (HLL), its shell should adopt low temperature material to build, and should ice chest be set, ice chest should surround most high liquid level (HLL) and import and export with lower pipeline, deep cooling valve member, LNG heat exchanger, LNG pump etc. therefore, shell and the inner container of present liquefied natural gas (LNG) tank peculiar to vessel are all low temperature materials, its manufacture cost is higher.
In addition, the LNG Liquefied natural gas derived in existing fluid pipeline needs first to enter ice chest, gone out by the immersed pump pumping in ice chest again, therefore ice chest low temperature material makes, cost is higher, and immersed pump is placed in ice chest, need carry out precooling by LNG Liquefied natural gas, this process can cause the waste of LNG Liquefied natural gas.
Disclosed in described background technique part, above-mentioned information is only for strengthening the understanding to background of the present utility model, and therefore it can comprise the information do not formed prior art known to persons of ordinary skill in the art.
Model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of lower-cost liquefied natural gas (LNG) tank peculiar to vessel.
Additional aspect of the present utility model and advantage will partly be set forth in the following description, and partly will become obvious from description, or can the acquistion by practice of the present utility model.
According to an aspect of the present utility model, a kind of liquefied natural gas (LNG) tank peculiar to vessel, the feed liquor pipeline, the gentle phase pipeline of fluid pipeline that comprise shell, be placed in inner container in shell and be in communication with the outside inner container inside, exit points when described feed liquor pipeline and fluid pipeline pass this shell on shell is higher than the most high liquid level (HLL) in described inner container.
According to a mode of execution of the present utility model, described feed liquor pipeline and fluid pipeline pass between inner container and shell from inner container top, and pass described shell by the top of shell.
According to a mode of execution of the present utility model, inner container inside is provided with the immersed pump be connected with fluid pipeline.
According to a mode of execution of the present utility model, described immersed pump is arranged at the bottom of inner container.
According to a mode of execution of the present utility model, described fluid pipeline comprises vacuum tube, hard tube, outer sleeve, blind flange and bellows; Described outer sleeve one end is welded mutually with inner container, and the other end to extend out to outside shell and is welded with end flanges; Described blind flange is connected with end flanges, and blind flange is provided with the inner sleeve being coaxially inserted in described outer sleeve inside; Described vacuum tube is vertical state and is arranged in described blind flange, is provided with lower pedal below described inner sleeve, and inner sleeve inside is filled with super glass wool; One end of described hard tube is connected with described immersed pump, and the other end passes to blind flange by vacuum tube by inner container again after inner sleeve, and the two ends of described bellows are connected with shell with end flanges respectively.
According to a mode of execution of the present utility model, described fluid pipeline is set to two, and every bar fluid pipeline connects an immersed pump.
According to a mode of execution of the present utility model, described feed liquor pipeline comprises the top liquid inlet pipe being communicated to described inner container top and the bottom liquid inlet pipe be communicated to bottom described inner container, also comprises the gas phase pipe being communicated with inner container and the shell external world.
According to a mode of execution of the present utility model, in inner container, be provided with swash plate along inner container axial direction.
According to a mode of execution of the present utility model, the teletransmission interface also comprising level meter pressure gauge and level meter pressure gauge is connected with pressure, pressure difference transmitter.
As shown from the above technical solution, advantage of the present utility model and good effect are:
The utility model liquefied natural gas (LNG) tank peculiar to vessel, exit points when passing this shell by making feed liquor pipeline and fluid pipeline on shell is higher than the most high liquid level (HLL) in described inner container, and shell can be avoided to use low temperature material to manufacture, and thus cost is lower.
Accompanying drawing explanation
Describe its example embodiment in detail by referring to accompanying drawing, above-mentioned and further feature of the present utility model and advantage will become more obvious.
Fig. 1 is the structural representation of the utility model liquefied natural gas (LNG) tank peculiar to vessel;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the partial enlarged drawing at I place in Fig. 1.
In figure: 1, shell; 11, outer cylinder body; 12, outside head; 13, vacuum lead; 14, saddle support; 2, inner container; 21, inner barrel; 22, interior end socket; 31, top liquid inlet pipe; 32, bottom liquid inlet pipe; 33, vapor delivery line; 41, vacuum tube; 42, outer sleeve; 421, end flanges; 43, blind flange; 44, bellows; 45, super glass wool; 46, hard tube; 47, lower pedal; 48, inner sleeve; 49, boatswain chair; 5, immersed pump; 6, swash plate.
Embodiment
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to mode of execution set forth herein; On the contrary, these mode of executions are provided to make the utility model comprehensively with complete, and the design of example embodiment will be conveyed to those skilled in the art all sidedly.Reference character identical in figure represents same or similar structure, thus will omit their detailed description.
A kind of liquefied natural gas (LNG) tank peculiar to vessel disclosed in the utility model embodiment as shown in Figure 1 to Figure 3.It comprises shell 1, inner container 2, feed liquor pipeline, the gentle phase pipeline of fluid pipeline.
Shell 1 comprises an outer cylinder body 11 and two outside heads 12, and these two outside heads 12 are welded on the two ends of outer cylinder body 11, respectively arranges a saddle support 14 be used for supporting this outer cylinder body 11 in the below of outer cylinder body 11 near the position of two outside heads 12.The vacuum lead 13 for vacuumizing operation to shell 1 and inner container 2 is provided with in shell 1.
Shell 1, in design calculation process, carries out strength check according to pressure vessel design code to main pressurized element, comprises the calculating of interior pressure and external pressure, to determine the wall thickness of each pressure parts.Also to carry out opening reinforcement calculation to the tapping of pressure parts, as horizontal vessel, carry out necessary localized stress to outer cylinder body 11 main support part to check, and the welding requirements in production process and Requirements of Nondestructive Testing should be taken into full account in the design process.Because this liquefied natural gas (LNG) tank peculiar to vessel uses on boats and ships, therefore also need to consider the transverse acceleration etc. of liquid in tank body, inner container 2 is provided with swash plate 6 along the axial direction of this inner container 2, and the quantity of swash plate 6 is determined according to the volume of this liquefied natural gas (LNG) tank peculiar to vessel.
Inner container 2 is contained in the inside of shell 1, and it comprises an inner barrel 21 and two interior end sockets 22, and these two interior end sockets 22 are welded on the two ends of inner barrel 21.This inner container 2 adopts low temperature material manufacture, stainless steel as low temperature resistant in S30408.In use, can store LNG Liquefied natural gas in inner container 2, the LNG Liquefied natural gas in this inner container 2 is delivered into by feed liquor pipeline, is exported outward by drain pipe alignment.
The inside of inner container 2 is in communication with the outside by feed liquor pipeline and the gentle phase pipeline 33 of fluid pipeline, and wherein, vapor delivery line 33 under normal usage, be in closed condition, when there being other equipment to be communicated with it, pipeline respective valves is opened, can pressure between Balancing equipment; The effect of another vapor delivery line 33 pressure of storage tank can also be protected to rise too high time, the safety valve in vapor delivery line 33 is opened automatically, the pressure of releasing in storage tank, reaches the object of protection storage tank.。Feed liquor pipeline is connected with other LNG Liquefied natural gas supply source, LNG Liquefied natural gas can be imported in inner container 2, and fluid pipeline is used for the memory device conveying of the LNG Liquefied natural gas in inner container 2 to other.This feed liquor pipeline and fluid pipeline are when passing shell 1, the intersection of they and shell 1 is the exit points of respective pipeline on shell 1, in the utility model embodiment, the exit points of these feed liquor pipelines and fluid pipeline is higher than the most high liquid level (HLL) of the LNG Liquefied natural gas in inner container 2.Like this, make shell 1 can adopt common iron manufacture, and without the need to the steel low temperature resistant according to relevant standard application, thus manufacture cost can be reduced widely.The position that feed liquor pipeline and fluid pipeline pass from inner container 2 does not limit, preferably, the gentle phase pipeline 33 of feed liquor pipeline, fluid pipeline can pass between inner container 2 and shell 1 from the top of inner container 2, and pass this shell 1 by the top of shell 1, can make like this feed liquor pipeline and the length of fluid pipeline between inner container 2 and shell 1 shorter, convenient to install.
As shown in Figure 1, feed liquor pipeline can comprise top liquid inlet pipe 31, bottom liquid inlet pipe 32.Top liquid inlet pipe 31 is communicated to the top of inner container 2, and bottom liquid inlet pipe 32 is communicated to the bottom of inner container 2, and this top liquid inlet pipe 31 is connected with the pipeline of transportation of liquefied natural gas with bottom liquid inlet pipe 32.Vapor delivery line 33 is connected with the vapor delivery line of other memory devices, after opening respective valves, inner container 2 can be made to balance each other with the pressure of other memory devices.When the force value of the pressure in inner container 2 higher than the safety valve setting of vapor delivery line 33, safety valve is opened automatically by vapor delivery line 33, the pressure of releasing in storage tank, can reach the object of this storage tank of protection.During to inner container 2 inside filling LNG Liquefied natural gas, can choice for use top liquid inlet pipe 31 or bottom liquid inlet pipe 32, also can both use simultaneously.
As shown in Fig. 1 and Fig. 4, fluid pipeline is used for being connected backward its with the feed liquor pipeline of other memory devices and supplies LNG Liquefied natural gas, comprises vacuum tube 41, outer sleeve 42, hard tube 46, blind flange 43 and bellows 44.Outer sleeve 42 is vertical steel pipes, and its one end is welded mutually with inner container 2, and the other end to extend out to outside shell 1 and is welded with end flanges 421.Blind flange 43 and this end flanges 421 are bolted to connection, and blind flange 43 is provided with the inner sleeve 48 being coaxially inserted in described outer sleeve 42 inside, has a through hole at the center of this blind flange 43.Vacuum tube 41 is Purchased Items, and it is vertical state arrangement, and is arranged in blind flange 43 from this through hole, and the two ends of vacuum tube 41 lay respectively at the both sides of blind flange 43, after vacuum tube 41 penetrates blind flange 43, vacuum tube 41 and blind flange 43 is welded together.Be provided with lower pedal 47 below inner sleeve 48, inner sleeve 42, lower pedal 47 and blind flange 43 enclose formation cavity, and this cavity inside is filled with super glass wool 45; The two ends of bellows 44 are connected with shell 1 with end flanges 421 respectively.
One end of hard tube 46 is connected with an immersed pump 5, and the other end is passed to blind flange 43 by vacuum tube 41 after inner sleeve 48 by inner container 2 again.Due to the heat-blocking action of vacuum tube 41 and super glass wool 45, cold energy can not be transmitted to shell 1 by hard tube 46, avoids shell 1 and is damaged by frost.
Be welded with two boatswain chairs 49 to downward-extension in the inside upper surface of inner container 2, immersed pump 5 is installed in the below of these two boatswain chairs 49, and hard tube 46 is sandwiched in the centre of boatswain chair 49, can play the protective action to hard tube 46.
The immersed pump 5 of the present embodiment is arranged on the inside of inner container 2, makes immersed pump 5 to be directly immersed in LNG Liquefied natural gas, without the need to arranging ice chest again outside storage tank, then in ice chest, carries out precooling to immersed pump 5.Therefore, it is possible to significantly reduce user cost.Immersed pump 5 is preferably arranged on the bottom of inner container 2, so that immersed pump 5 can be immersed in LNG Liquefied natural gas all the time, makes immersed pump 5 always be in the state of cooling like this, saves the pre-coo time of immersed pump 5, can realize the quick startup of immersed pump 5.Fluid pipeline can be set to two, and every bar fluid pipeline all connects an immersed pump 5.Like this, when one of them immersed pump 5 needs maintenance, with another immersed pump, the liquid in inner container 2 can be drained, Quick overhaul can be carried out to immersed pump.
The teletransmission interface that this liquefied natural gas (LNG) tank peculiar to vessel also comprises level meter pressure gauge and is connected with pressure, pressure difference transmitter by level meter pressure gauge, can the relevant information of storage tank be converted to electrical signal, then be sent to the control unit on ship, the pressure of storage tank and liquid level are monitored in real time.
Storage tank is provided with high and low liquid level and temperature sensor on inner container.Can the temperature value read of LNG Liquefied natural gas in storage tank be reached in monitoring chamber, realize Real-Time Monitoring recording operation.Outside storage tank, be provided with pressure inverting and differential pressure transmitter, just the pressure of storage tank, level readings convert electric signal transmission to monitoring place.Storage tank is filled to LNG Liquefied natural gas and to main frame air feed process in operator cabin, tank internal pressure, level condition can be monitored in real time by teletransmission.
Below illustrative embodiments of the present utility model is illustrate and described particularly.Should be appreciated that, the utility model is not limited to disclosed mode of execution, and on the contrary, the utility model intention contains and is included in various amendment in the spirit and scope of claims and equivalent arrangements.
Claims (9)
1. a liquefied natural gas (LNG) tank peculiar to vessel, comprise shell (1), be placed in inner container (2) in shell (1) and the feed liquor pipeline be in communication with the outside inner container (2) inside, the gentle phase pipeline (33) of fluid pipeline, it is characterized in that: exit points when described feed liquor pipeline and fluid pipeline pass this shell (1) on shell (1) is higher than the most high liquid level (HLL) in described inner container (2).
2. liquefied natural gas (LNG) tank peculiar to vessel according to claim 1, it is characterized in that: described feed liquor pipeline and fluid pipeline pass between inner container (2) and shell (1) from inner container (2) top, and pass described shell (1) by the top of shell (1).
3. liquefied natural gas (LNG) tank peculiar to vessel according to claim 1, is characterized in that: be provided with the immersed pump (5) be connected with fluid pipeline in inner container (2) inside.
4. liquefied natural gas (LNG) tank peculiar to vessel according to claim 3, is characterized in that: described immersed pump (5) is arranged at the bottom of inner container (2).
5. liquefied natural gas (LNG) tank peculiar to vessel according to claim 4, is characterized in that: described fluid pipeline comprises vacuum tube (41), hard tube (46), outer sleeve (42), blind flange (43) and bellows (44); Described outer sleeve (42) one end is welded mutually with inner container (2), and the other end to extend out to outside shell (1) and is welded with end flanges (421); Described blind flange (43) is connected with end flanges (421), blind flange (43) is provided with and is coaxially inserted in the inner inner sleeve (48) of described outer sleeve (42); Described vacuum tube (41) is in vertical state and be arranged in described blind flange (43), described inner sleeve (48) below is provided with lower pedal (47), and inner sleeve (48) inside is filled with super glass wool (45); One end of described hard tube (46) is connected with described immersed pump (5), the other end passes to blind flange (43) by vacuum tube (41) by inner container (2) again after inner sleeve (48), and the two ends of described bellows (44) are connected with shell (1) with end flanges (421) respectively.
6. liquefied natural gas (LNG) tank peculiar to vessel according to claim 3, is characterized in that: described fluid pipeline is set to two, and every bar fluid pipeline connects an immersed pump (5).
7. liquefied natural gas (LNG) tank peculiar to vessel according to claim 1, is characterized in that: described feed liquor pipeline comprises the top liquid inlet pipe (31) being communicated to described inner container (2) top and the bottom liquid inlet pipe (32) being communicated to described inner container (2) bottom.
8. liquefied natural gas (LNG) tank peculiar to vessel according to claim 1, is characterized in that: in inner container (2), be provided with swash plate (6) along inner container (2) axial direction.
9. liquefied natural gas (LNG) tank peculiar to vessel according to claim 1, is characterized in that: the teletransmission interface also comprising level meter pressure gauge and be connected with pressure, pressure difference transmitter by level meter pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778264.5U CN204387669U (en) | 2014-12-10 | 2014-12-10 | Liquefied natural gas (LNG) tank peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778264.5U CN204387669U (en) | 2014-12-10 | 2014-12-10 | Liquefied natural gas (LNG) tank peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387669U true CN204387669U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420778264.5U Withdrawn - After Issue CN204387669U (en) | 2014-12-10 | 2014-12-10 | Liquefied natural gas (LNG) tank peculiar to vessel |
Country Status (1)
| Country | Link |
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| CN (1) | CN204387669U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736932A (en) * | 2014-12-10 | 2016-07-06 | 张家港中集圣达因低温装备有限公司 | Marine liquefied natural gas storage tank |
| CN106986114A (en) * | 2016-01-21 | 2017-07-28 | 张家港中集圣达因低温装备有限公司 | Low temperature horizontal tank |
| CN111396738A (en) * | 2020-04-08 | 2020-07-10 | 华陆工程科技有限责任公司 | Combined supporting structure of low-temperature storage tank pump well pipe |
| CN114542964A (en) * | 2022-01-06 | 2022-05-27 | 合肥通用机械研究院有限公司 | Temperature measuring device for online maintenance of liquid hydrogen storage and transportation system |
-
2014
- 2014-12-10 CN CN201420778264.5U patent/CN204387669U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736932A (en) * | 2014-12-10 | 2016-07-06 | 张家港中集圣达因低温装备有限公司 | Marine liquefied natural gas storage tank |
| CN105736932B (en) * | 2014-12-10 | 2018-10-23 | 张家港中集圣达因低温装备有限公司 | LNG tank peculiar to vessel |
| CN106986114A (en) * | 2016-01-21 | 2017-07-28 | 张家港中集圣达因低温装备有限公司 | Low temperature horizontal tank |
| CN106986114B (en) * | 2016-01-21 | 2020-02-14 | 张家港中集圣达因低温装备有限公司 | Low-temperature horizontal storage tank |
| CN111396738A (en) * | 2020-04-08 | 2020-07-10 | 华陆工程科技有限责任公司 | Combined supporting structure of low-temperature storage tank pump well pipe |
| CN114542964A (en) * | 2022-01-06 | 2022-05-27 | 合肥通用机械研究院有限公司 | Temperature measuring device for online maintenance of liquid hydrogen storage and transportation system |
| CN114542964B (en) * | 2022-01-06 | 2023-08-04 | 合肥通用机械研究院有限公司 | Temperature measuring device capable of being maintained on line for liquid hydrogen storage and transportation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20181023 |