CN109519697A - A kind of underground LNG storage tank and its method of construction - Google Patents
A kind of underground LNG storage tank and its method of construction Download PDFInfo
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- CN109519697A CN109519697A CN201910011657.0A CN201910011657A CN109519697A CN 109519697 A CN109519697 A CN 109519697A CN 201910011657 A CN201910011657 A CN 201910011657A CN 109519697 A CN109519697 A CN 109519697A
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- storage tank
- cushion cap
- foundation pit
- tank
- outer tank
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- 238000003860 storage Methods 0.000 title claims abstract description 69
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012774 insulation material Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000004567 concrete Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 239000003949 liquefied natural gas Substances 0.000 description 40
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 18
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 11
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 11
- 239000003345 natural gas Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/007—Underground or underwater storage
-
- 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
-
- 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
Landscapes
- 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 kind of underground LNG storage tank and its method of construction, including foundation pit and storage tank, the bottom of the foundation pit is provided with cushion cap, and horizontal laying has electric tracing in the cushion cap；The storage tank is placed on the cushion cap in the foundation pit, the lateral wall of the storage tank is fully located in the foundation pit, the storage tank includes outer tank skin, inner canister and tank deck made of 9%Ni steel, the outer tank skin be distributed along the outer edge of the cushion cap and be vertically arranged on it side, the outer tank skin, cushion cap periphery wall do not contacted with the internal perisporium of the foundation pit；In the space that the inner canister is placed on the cushion cap and outer tank skin surrounds, the top ends of cans closes at the top of the outer tank skin and inner canister, cold insulation material is set between the bottom wall of the outside of the inner canister, the roof of cushion cap, the inner wall of outer tank skin and tank deck, is formed and the discontiguous full underground LNG storage tank of the foundation pit inner sidewall.
Description
Technical field
The present invention relates to a kind of underground LNG storage tank and its methods of construction, belong to liquefied natural gas (LNG) transmission & distribution technology neck
Domain.
Background technique
Liquefied natural gas (LNG) is the liquid hydrocarbon based on methane produced when being cooled to -162 DEG C under normal pressure by natural gas
Mixture, a mole composition is about C1:80%~90%, C2:3%~10%, C3:0%~5%, and C4:0%~3%, C5+ are micro-
Amount.Natural gas is usually chilled to about -162 DEG C so that it becomes liquid, volume are about same amount natural gas volume under normal pressure
1/600, density is about 450kg/m3.LNG is colourless, tasteless, nontoxic and non-corrosive, directly evaporates after leakage.Due to the day that liquefies
The volume of right gas is about its gas (20 DEG C, 101.325KPa) volume about 1/600, therefore is conducive to convey and store, with liquefaction
The progress of natural gas carrier vessel and storage tank manufacturing technology, liquefied natural gas are almost at present across the main of sea transport natural gas
Method.
Either natural gas liquefaction plant or LNG receive terminal, and the investment of LNG storage tank occupies higher specific gravity, especially
It is received in terminal in LNG, and the investment of storage tank accounts for about the 30~40% of its gross investment, it is seen that LNG storage tank is entire LNG industry
An extremely important component part in chain.
Since Large LNG receiving station in 2006 goes into operation, the longest service time of Chinese LNG storage tank is had reached 11 years.
The quantity of country's Large LNG storage tank has reached more than 40 at present, and the accumulation import volume of LNG is more than 100,000,000 5 thousand ten thousand tons.According to
The planning of National Energy Board, the year two thousand twenty natural gas consumption specific gravity will increase to 10%, and the year two thousand thirty natural gas consumption specific gravity will improve
To 15%, in this context, domestic LNG receives terminal and enters the Fast Construction phase.Corresponding with LNG storage tank construction is storage tank core
The development of heart technology, China have had the autonomous Design ability of LNG storage tank completely, storage tank research aspect, achieve it is considerable into
Exhibition, and the continuous development for pushing construction, form benign cycle.
The all superstructures of built storage tank at present, for stress performance, sunken tank has more advantage.Ground tank has
Better shock resistance and safety, a possibility that being collided by aerial object, are small, are influenced by wind load small, and the influence of leakage is small
The features such as.
Underground LNG storage tank at home without correlative study, is not more applied at present.Therefore underground LNG storage tank is considered as a whole
Feature, formed complete set underground LNG storage tank structure technology system be very it is necessary to.
Summary of the invention
It is stored up in view of the above-mentioned problems, that the object of the present invention is to provide a kind of anti-seismic performances is good, is influenced small underground LNG by wind load
Tank and its method of construction solve the problems, such as that ground LNG storage tank is poor in high seismic force effects flowering structure stress performance, improve storage tank
The safety of structure reduces the influence of tank leak.
To achieve the above object, the present invention uses following technical scheme, a kind of underground LNG storage tank, which is characterized in that packet
It includes:
Foundation pit, the bottom of the foundation pit are provided with cushion cap, and horizontal laying has electric tracing in the cushion cap；
Storage tank, the storage tank are placed on the cushion cap in the foundation pit, and the lateral wall of the storage tank is fully located at institute
It states in foundation pit, the storage tank includes outer tank skin, inner canister and tank deck made of 9%Ni steel, and the outer tank skin is along the cushion cap
Outer edge be distributed and be vertically arranged on it side, the outer tank skin, cushion cap periphery wall do not contacted with the internal perisporium of the foundation pit；
In the space that the inner canister is placed on the cushion cap and outer tank skin surrounds, the top ends of cans is closed on the top of the outer tank skin and inner canister
Cold insulation material, shape is arranged between the bottom wall of the outside of the inner canister, the roof of cushion cap, the inner wall of outer tank skin and tank deck in portion
At with the discontiguous full underground LNG storage tank of the foundation pit inner sidewall.
Preferably, the top half of the storage tank stretches out the top of the foundation pit, and formation does not connect with the foundation pit inner sidewall
The semi-underground LNG storage tank of touching.
Preferably, the periphery wall of the storage tank, cushion cap is in be close to setting with the internal perisporium of the foundation pit, in the outer tank skin
Interior vertical laying electric tracing.
Preferably, the vertical laying electric tracing in the outer tank skin contacted with the foundation pit inner sidewall.
Preferably, the tank deck includes lid conjunction in the dome of the outer tank skin and interior tank top, is set in the dome lower part
Furred ceiling is arranged in the lower part of the top beam frame, between the bottom of the furred ceiling and the roof of the inner canister in top set beam frame
The cold insulation material is set.
Preferably, the cushion cap, outer tank skin and dome are made of armored concrete, and concrete impervious grade is not less than
P8, concrete antifreezing grade are not less than F200；The top beam frame is built by fashioned iron and steel plate combination；The furred ceiling uses
Aluminium sheet structure or stainless steel plate structure, the reinforcing bar on the inner wall of the outer tank skin use low temperature resistant reinforcing bar.
Preferably, the outer tank skin is with a thickness of 0.5~5m；The wall thickness of the inner canister is less than 50mm, the thickness of the cushion cap
For 0.5m~15m.
Preferably, the Tank Capacity is in 10,000 sides~300,000 sides.
The present invention also provides a kind of methods of construction based on above-mentioned underground LNG storage tank, which is characterized in that including following step
It is rapid:
1) excavation pit, and building enclosure is set in the internal perisporium of foundation pit；
2) in bottom of foundation ditch construction cushion cap, and by electric tracing horizontal laying in cushion cap；
3) outer tank skin construction is carried out,
4) cold insulation material construction is carried out at the top of cushion cap；
5) inner canister construction is carried out；
6) assembling for carrying out top beam frame installs furred ceiling in the lower section of top beam frame；
7) top beam frame and furred ceiling are risen into top, is placed in the top of outer tank skin；
8) dome construction is carried out,
9) by filling cold insulation material between the outward opening tank skin and interior tank skin above dome.
Preferably, above-mentioned steps 1) building enclosure use ground-connecting-wall or steel sheet pile；Above-mentioned steps 1) and step 3) can
It constructs simultaneously.
The invention adopts the above technical scheme, has the advantages that the present invention forms full underground or semi-underground type LNG storage
Tank greatly improves LNG the problems such as overcoming existing ground LNG storage tank to collide vulnerable to aerial object, is big by wind load, easily leaking
The anti-seismic performance of storage tank reduces influence of the wind load to LNG storage tank.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 4.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, it includes the storage tank 1 being placed in foundation pit 2, storage tank the present invention provides a kind of underground LNG storage tank
1 includes inner canister 6 and tank deck 11 made of outer tank skin 4,9%Ni steel；The bottom of foundation pit 2 is provided with cushion cap 3, and outer tank skin 4 is along holding
The outer edge of platform 3 is distributed and is vertically arranged side on it, and cushion cap 3 and the periphery wall of outer tank skin 4 are tightly attached to the inside of foundation pit 2
Wall, in the space that inner canister 6 is placed on cushion cap 3 and outer tank skin 4 surrounds, the lid of tank deck 11 is closed at the top of outer tank skin 4 and inner canister 6,
To form the full underground LNG storage tank being close to 2 inner sidewall of foundation pit；Horizontal laying electric tracing 10 in cushion cap 3 erects in outer tank skin 4
Straight to lay electric tracing 10, the electric tracing 10 in cushion cap 3 and the electric tracing 10 in outer tank skin 4 surround 6 side wall of inner canister and bottom wall
Come, cold insulation material 7 is set between the bottom wall of the outside of inner canister 6, the roof of cushion cap 3, the inner wall of outer tank skin 4 and tank deck 11.
Further, tank deck 11 includes dome 5 of the lid conjunction above outer tank skin 4 and inner canister 6, is arranged in 5 lower part of dome and pushes up
Beam frame 9 is arranged furred ceiling 8 in the lower part of top beam frame 9, cold insulation material is arranged between the bottom of furred ceiling 8 and the roof of inner canister 6
7。
Further, top beam frame 9 is built by fashioned iron and steel plate combination.
Further, cushion cap 3, outer tank skin 4, dome 5 are made of armored concrete, and concrete impervious grade is not less than
P8；Concrete antifreezing grade is not less than F200；Reinforcing bar on the inner wall of outer tank skin 4 uses low temperature resistant reinforcing bar.
Further, outer tank skin 4 is with a thickness of 0.5~5m, and 6 wall thickness of inner canister is less than 50mm, cushion cap 3 with a thickness of 0.5m~
15m。
Further, furred ceiling 8 can use aluminium sheet structure, can also use stainless steel structure.
Further, LNG storage tank tank in underground holds in 10,000 sides~300,000 sides, i.e., the volume of inner canister 6 is in 10,000 sides~300,000 sides.
Embodiment 2
As shown in Fig. 2, the present embodiment is compared with Example 1, difference is: the top half of storage tank 1 stretches out the top of foundation pit 2
Portion forms the semi-underground LNG storage tank being close to 2 inner sidewall of foundation pit, applies vertically in the outer tank skin 4 being close to 2 inner sidewall of foundation pit
If electric tracing 10, and other structures are constant.
Embodiment 3
As shown in figure 3, the present embodiment is compared with Example 1, difference is: storage tank 1, cushion cap 3 lateral wall with foundation pit 2
Inner sidewall do not contact, the electric tracing 10 without laying in outer tank skin 4, other structures are constant.
Embodiment 4
As described in Figure 4, compared with Example 2, difference is the present embodiment: the lateral wall of the storage tank 1 in foundation pit 2,
The lateral wall of cushion cap 3 is not contacted with the inner sidewall of foundation pit 2, and the electric tracing 10 without laying in outer tank skin 4, other structures are constant.
Based on above-mentioned underground LNG storage tank, the present invention also provides a kind of underground LNG storage tank methods of construction comprising following
Step:
1) excavation pit 2, and building enclosure is arranged in 2 inner wall surrounding of foundation pit prevent the soil body around foundation pit 2 in foundation pit
Face collapses；
2) in 2 bottom construction cushion cap 3 of foundation pit, and by 10 horizontal laying of electric tracing in cushion cap 3；
3) outer tank skin 4 is carried out to construct, according to outer tank skin 4 and the side wall of foundation pit 2 whether contact and determine in outer tank skin 4 whether
Lay electric tracing 10；
4) cold insulation material construction is carried out at the top of cushion cap 3；
5) inner canister 6 is carried out to construct；
6) assembling of top beam frame 9 is carried out；Furred ceiling 8 is installed in the lower section of top beam frame 9；
7) top beam frame 9 and 8 liters of furred ceiling are pushed up, is placed in the top of outer tank skin 4；
8) dome 5 is carried out to construct；
9) cold insulation material is filled between the outward opening tank skin 4 and interior tank skin by 5 top of dome.
Further, ground-connecting-wall, steel sheet pile etc. can be used in the building enclosure of step 1).
Further, need to carry out the excavation of foundation pit 2, after can first excavating on earth, construction bearing platform before the construction of underground LNG storage tank
3 and outer tank skin 4, i.e., it constructs along way；Can also be with outer tank skin 4 of constructing when excavating, after excavating on earth, construction bearing platform 3 is that is, inverse to make
Method construction.
The present invention is only illustrated with above-described embodiment, and structure, setting position and its connection of each component are all can have
Changed.Based on the technical solution of the present invention, the improvement or equivalent that all principles according to the present invention carry out individual part
Transformation, should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of underground LNG storage tank characterized by comprising
Foundation pit, the bottom of the foundation pit are provided with cushion cap, and horizontal laying has electric tracing in the cushion cap；
Storage tank, the storage tank are placed on the cushion cap in the foundation pit, and the lateral wall of the storage tank is fully located at the base
In hole, the storage tank includes outer tank skin, inner canister and tank deck made of 9%Ni steel, and the outer tank skin is along the outside of the cushion cap
Fate cloth simultaneously be vertically arranged on it side, the outer tank skin, cushion cap periphery wall do not contacted with the internal perisporium of the foundation pit；It is described
In the space that inner canister is placed on the cushion cap and outer tank skin surrounds, the top ends of cans is closed at the top of the outer tank skin and inner canister,
Cold insulation material is set between the bottom wall of the outside of the inner canister, the roof of cushion cap, the inner wall of outer tank skin and tank deck, formed with
The discontiguous full underground LNG storage tank of foundation pit inner sidewall.
2. a kind of underground LNG storage tank as described in claim 1, it is characterised in that: described in the top half of the storage tank is stretched out
The top of foundation pit is formed and the discontiguous semi-underground LNG storage tank of the foundation pit inner sidewall.
3. a kind of underground LNG storage tank as described in claim 1, it is characterised in that: the storage tank, cushion cap periphery wall with it is described
The internal perisporium of foundation pit is in abutting setting, the vertical laying electric tracing in the outer tank skin.
4. a kind of underground LNG storage tank as claimed in claim 2, it is characterised in that: in the institute contacted with the foundation pit inner sidewall
State vertical laying electric tracing in outer tank skin.
5. a kind of underground LNG storage tank as described in claim 1, it is characterised in that: the tank deck includes that lid is closed in the outer tank
The dome of wall and interior tank top, is arranged top beam frame in the dome lower part, and furred ceiling is arranged in the lower part of the top beam frame,
The cold insulation material is set between the bottom of the furred ceiling and the roof of the inner canister.
6. a kind of underground LNG storage tank as claimed in claim 5, it is characterised in that: the cushion cap, outer tank skin and dome use steel
Reinforced concrete is made, and concrete impervious grade is not less than P8, and concrete antifreezing grade is not less than F200；The top beam frame is by type
Steel and steel plate combination are built；The furred ceiling uses aluminium sheet structure or stainless steel plate structure, on the inner wall of the outer tank skin
Reinforcing bar uses low temperature resistant reinforcing bar.
7. such as a kind of underground LNG storage tank as claimed in any one of claims 1 to 6, it is characterised in that: the outer tank skin with a thickness of
0.5~5m；The wall thickness of the inner canister be less than 50mm, the cushion cap with a thickness of 0.5m~15m.
8. a kind of underground LNG storage tank as described in claim 1, it is characterised in that: the Tank Capacity is in 10,000 sides~300,000
Side.
9. a kind of method of construction based on the described in any item underground LNG storage tanks of claim 1 to 8, which is characterized in that including with
Lower step:
1) excavation pit, and building enclosure is set in the internal perisporium of foundation pit；
2) in bottom of foundation ditch construction cushion cap, and by electric tracing horizontal laying in cushion cap；
3) outer tank skin construction is carried out,
4) cold insulation material construction is carried out at the top of cushion cap；
5) inner canister construction is carried out；
6) assembling for carrying out top beam frame installs furred ceiling in the lower section of top beam frame；
7) top beam frame and furred ceiling are risen into top, is placed in the top of outer tank skin；
8) dome construction is carried out,
9) by filling cold insulation material between the outward opening tank skin and interior tank skin above dome.
10. a kind of method of construction of underground LNG storage tank as claimed in claim 9, it is characterised in that: above-mentioned steps 1) go along with sb. to guard him
Structure uses ground-connecting-wall or steel sheet pile；Above-mentioned steps 1) and step 3) can construct simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011657.0A CN109519697A (en) | 2019-01-07 | 2019-01-07 | A kind of underground LNG storage tank and its method of construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011657.0A CN109519697A (en) | 2019-01-07 | 2019-01-07 | A kind of underground LNG storage tank and its method of construction |
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| CN109519697A true CN109519697A (en) | 2019-03-26 |
Family
ID=65798508
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| CN201910011657.0A Pending CN109519697A (en) | 2019-01-07 | 2019-01-07 | A kind of underground LNG storage tank and its method of construction |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895234A (en) * | 2019-04-03 | 2019-06-18 | 中海石油气电集团有限责任公司 | A kind of LNG tank Concrete Temperature Control system and its temperature control method |
| CN110566803A (en) * | 2019-07-19 | 2019-12-13 | 中海石油气电集团有限责任公司 | Floor type LNG storage tank bottom heat tracing system |
| CN112944202A (en) * | 2021-03-22 | 2021-06-11 | 中海石油气电集团有限责任公司 | LNG storage tank cold insulation structure based on metal reflection type heat insulation layer and installation method thereof |
| CN114458945A (en) * | 2022-02-23 | 2022-05-10 | 中太(苏州)氢能源科技有限公司 | Large liquid hydrogen full-capacity tank adopting liquid-gas cooling wall |
| CN114738657A (en) * | 2022-04-02 | 2022-07-12 | 中山先进低温技术研究院 | Low-temperature liquid underground ice cave energy storage device and method |
| CN115419820A (en) * | 2022-09-01 | 2022-12-02 | 南京航空航天大学 | Low-carbon liquefied natural gas underground storage system capable of heating and generating power |
| CN117108909A (en) * | 2023-10-18 | 2023-11-24 | 广汇能源综合物流发展有限责任公司 | Construction method of underground LNG storage tank |
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