CN109340566A - Marine liquefied natural gas storage platform system - Google Patents
Marine liquefied natural gas storage platform system Download PDFInfo
- Publication number
- CN109340566A CN109340566A CN201811357367.3A CN201811357367A CN109340566A CN 109340566 A CN109340566 A CN 109340566A CN 201811357367 A CN201811357367 A CN 201811357367A CN 109340566 A CN109340566 A CN 109340566A
- Authority
- CN
- China
- Prior art keywords
- platform
- lng
- tank
- storage tank
- lng storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003949 liquefied natural gas Substances 0.000 title abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000002309 gasification Methods 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000003345 natural gas Substances 0.000 description 7
- 238000009795 derivation Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/082—Mounting arrangements for vessels for large sea-borne storage 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
- 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
A kind of offshore platform formula liquefied natural gas storage system, including top functional module and lower part, lower part is platform and the storage tank time shielding for the jacket support for being fixed on seabed, the top functional module includes the multiple LNG storage tanks being fixed on the platform, liquid goods pipeline and safety devices, the liquid goods pipeline connects the loading platform of the LNG storage tank and LNG, distribution platform, gasification platform, liquid goods platform and generation platform, and the safety devices include fire-fighting, safety and emergency service.This platform is located at sea, is not take up land resources and separate city, is a kind of safe, economic, LNG storage system applied widely.
Description
Technical field
The present invention relates to liquefied natural gas, especially a kind of marine liquefied natural gas storage platform system.
Background technique
Liquefied natural gas (hereinafter referred to as LNG) has become the important green energy resource for pushing 21 century economy.In China,
LNG demand amount is just with rapid growth.From the point of view of the whole world, LNG will become natural gas trade leading form, and imported L NG will become China
Maximum LNG supplies source.
At present in the world, conventional LNG storage is generally the storage of land LNG bank station storage tank or liquefied natural gas (LNG) ship goods
Cabin storage, but all there are some drawbacks in both modes.
LNG bank station generally existing addressing in land is difficult, and approval process is long, the long problem of construction period.Based on environmental protection
And the considerations of safety factor, bank station are typically in remote districts, cause easily to occur in process of construction as lacked electric power, lacking skillfully
The problems such as worker, raw material transport difficult, cause construction cost higher, so that the higher problem of LNG product totle drilling cost.
The environment such as natural gas carrier vessel storage mode wind-engaging, wave and stream are affected, and movement frequently, leads to Volatile Gas (letter
Referred to as BOG) amount is big, the treatment operating costs of BOG increase, and since the space of ship is limited, storage capacity is limited, at the same device and
Safe spacing between system is difficult to guarantee, and is needed to take additional measures, in addition be influenced by weather, encounters severe sea condition and just need
It sails out of, the working time is caused to be difficult to ensure.
Summary of the invention
Above-mentioned existing to solve the problems, such as, the present invention provides a kind of sea LNG storage platform system, is a kind of work in water
Domain, foundation structure is using the achievable LNG storage of fixed platform and its system of derivation function.It is a kind of safe, economical, suitable
With the wide system of range.The offshore storage of natural gas is realized, to solve land LNG bank station addressing difficulty, approval process
The problems such as length, construction period length, construction cost height.Compared with conventional natural gas bank station, the present invention is very suitable to lack natural harbor
Mouth and harbour are not easy the case where changing, and simple process is invested the features such as low, the construction period is short, while being compared with ship storage, by
In its fixed feature, will not with the wind, wave, stream movement, boil-off gas (BOG) amount is small, and the treatment operating costs of BOG are low, and
Storage volume of compartment is easier to be increased or be reduced, and flexibility is bigger, encounters harsh weather and does not need to shut down, when year-round operation
Between it is long, operation it is high-efficient.
Technical solution of the invention is as follows:
A kind of offshore platform formula LNG storage system, it is characterized in that including platform upper functional module and lower part, lower part is
It is fixed on platform and the storage tank time shielding of the jacket support in seabed, the top functional module includes being fixed on described put down
Multiple LNG storage tanks, liquid goods pipeline and safety devices on platform, the LNG storage tank is using half film prismatic LNG of plate maintenance system
System, including inside cabin tank, insulating layer, external steel frame and common support object, the inside of the inside cabin tank only have support housing
Stiffener, the plate refer to that inside cabin tank is welded by the regular aluminum of shape or steel plateform, and half film refers to
The secondary shielding of its containment system only needs portion envelops without with fully wrapped around inside cabin tank, the prismatic refers to that the containment system is whole
External shape is the regular prismatic polygon column structure that is similar to, after the insulating layer has been wrapped up outside the inside cabin tank
It is directly landed in storage platform, the liquid goods pipeline is by loading platform, distribution platform, the gas of the LNG storage tank and LNG
Change platform, liquid goods platform are connected with generation platform, and the safety devices include fire-fighting, safety and emergency service.
Fire-fighting, safety and the emergency service, including seawater fire extinguishing system, water sprinkler system, powder extinguishing system, bubble
Foam fire extinguishing system, CO2Fire extinguishing system, the gas extinguishing system of LNG, detection gas leakage system, detection liquid leakage system, pressure
Power temperature monitoring system, closed-circuit television system, liquid in storage tank leakage treatment facility, pipeline reveal treatment facility.
The LNG storage tank uses half film prismatic LNG maintenance system of plate, and the plate refers to its inside cabin tank by shape
The regular aluminum of shape or steel plateform are welded, and half film refers to that the secondary shielding of its containment system only needs portion envelops without being finished
Full package inside cabin tank, prismatic refer to that the containment system monnolithic case is similar to prismatic polygon column structure for regular,
The containment system has the advantages that volume is big, weight is lighter, the influence to external structure is smaller.
For the liquid goods pipeline that the other function platform expansible with upstream and downstream is connect, for LNG storage platform and other
The connection of function platform, the loading platform of such as LNG, for the loading and unloading of tank inside LNG, distribution platform is used for down
Swim natural gas distribution, as gas or liquid it is canned, sell, gasify platform, is used for gasification of liquid LNG, natural toward downstream conveying
Gas, it is industrial or it is civilian be ok, liquefaction skid, BOG's is re-liquefied, reduces the loss of LNG, generation platform, with gas LNG
Power generation etc. can be actually needed according to upstream and downstream and carry out multi-functional extension.
Technical effect of the invention is as follows:
It 1, is a kind of work in waters, foundation structure is using the achievable LNG storage of fixed platform and its derivation function
System.It is a kind of safe, economic, system applied widely.The offshore storage for realizing natural gas, to solve land
The problems such as LNG bank station addressing difficulty, approval process length, construction period length, construction cost height.
2, compared with conventional natural gas bank station, the present invention, which is very suitable to lack natural harbour and harbour, is not easy the feelings changed
Condition, simple process are invested the features such as low, the construction period is short, while being compared with ship storage, due to its fixed feature, no
Can with the wind, wave, stream movement, boil-off gas (BOG) amount it is small, the treatment operating costs of BOG are low, and store volume of compartment and be easier to carry out
Increase or reduce, flexibility is bigger, encounters harsh weather and does not need to shut down, and the year-round operation time is long, operation it is high-efficient.
3, considered based on safety and specification, the present invention is equipped with necessary fire-fighting, safety and emergency service, includes fire-fighting system
System, as between seawater fire extinguishing system, water sprinkler system, conventional fire-fighting equipment and each storage tank, isolation between platform etc. is done
Powder fire extinguishing system, froth fire extinguishing system, CO2Fire extinguishing system or other be suitable for LNG gas extinguishing system etc., these types disappears
Anti- system is the conventional treatment mode put out a fire based on specification to LNG plant, safety devices, such as detection gas leakage system, detection
Liquid leakage system, pressure and temp monitoring system, closed-circuit television system etc., emergency service, as liquid in storage tank leakage processing is set
It applies, pipeline reveals treatment facility etc..These systems ensure that entire LNG storage platform safety, orderly operation.
4, for the introduction above for LNG storage tank, the entire platform that stores can be used as the secondary shielding of LNG storage tank, be equivalent to
One large-scale collecting tank.
5, storage platform infrastructure structure division, using fixed platform jacket pattern, specific size and quantity can
Depending on the actual conditions of top functional module.
6, it can be maintained a certain distance according to security needs between each platform of LNG storage platform system of the present invention, and
And platform quantity can increase and decrease, there is no the problems that space is limited, and storage capacity is limited, while storage platform and other extensions are flat
Safe spacing also available good guarantee between platform, it is ensured that the safety and economy of the system.
Detailed description of the invention
Fig. 1 is the top view of the marine liquefied natural gas storage platform system of the present invention
Fig. 2 is the front view of the marine liquefied natural gas storage platform system of the present invention
In figure: 1, LNG storage tank, 2, platform and storage tank time shielding, 3, jacket
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, does not restrict the protection scope of the present invention.
As shown in Figure 1, as seen from the figure, offshore platform formula LNG storage system of the present invention, including platform upper functional module and
Lower part, lower part is the platform for the support of jacket 3 for being fixed on seabed and storage tank time shielding 2, the top functional module include
It is fixed on multiple on the platform
LNG storage tank 1, liquid goods pipeline and safety devices (not shown), the LNG storage tank use half film rib of plate
Shape LNG maintenance system, including inside cabin tank, insulating layer, external steel frame and common support object, the inside of the inside cabin tank only have
The stiffener of support housing, the plate refers to that inside cabin tank is welded by the regular aluminum of shape or steel plateform, described
Half film refer to that the secondary shielding of its containment system only needs portion envelops without with fully wrapped around inside cabin tank, the prismatic refers to this
Containment system monnolithic case is the regular prismatic polygon column structure that is similar to, and has been wrapped up outside the inside cabin tank described
Insulating layer after be directly landed in storage platform, the liquid goods pipeline by the loading platform of the LNG storage tank and LNG,
Distribution platform, gasification platform, liquid goods platform are connected with generation platform, and the safety devices include that fire-fighting, safety and emergency are set
It applies.
The marine liquefied natural gas storage platform system of embodiment is mainly by time 2 groups of the shielding of LNG storage tank 1, platform and storage tank
At 3, jacket, LNG storage tank and platform form the top functional module part of entire storage platform system, in legend temporarily not
Comprising the liquid goods pipe-line system and fire-fighting monitoring system etc. for connecting other function platform, underwater foundation structure is using fixed
Entire platform is fixed on the bottom by jacket 3 by platform, will not with the wind, wave, stream movement.
The all parts of the system can be hauled after the plant construction of land to designated place, after the installation is completed
It starts operation.
Practical to show that liquefied natural gas storage platform system of the invention marine is a kind of work in waters, foundation structure is adopted
With fixed platform mode, it is not take up land resources and far from city, the other function that can arrange in pairs or groups platform (such as vaporization, liquefaction, hair
Electricity, LNG center for distribution etc.) it uses, it is a kind of safe, economic, LNG storage system applied widely.
Claims (2)
1. a kind of offshore platform formula LNG storage system, it is characterised in that including platform upper functional module and lower part, lower part is solid
It is scheduled on platform and the storage tank time shielding of the jacket support in seabed, the top functional module includes being fixed on the platform
On multiple LNG storage tanks, liquid goods pipeline and safety devices, the LNG storage tank using half film prismatic LNG of plate maintenance system
System, including inside cabin tank, insulating layer, external steel frame and common support object, the inside of the inside cabin tank only have support housing
Stiffener, the plate refer to that inside cabin tank is welded by the regular aluminum of shape or steel plateform, and half film refers to
The secondary shielding of its containment system only needs portion envelops without with fully wrapped around inside cabin tank, the prismatic refers to that the containment system is whole
External shape is the regular prismatic polygon column structure that is similar to, after the insulating layer has been wrapped up outside the inside cabin tank
It is directly landed in storage platform, the liquid goods pipeline is by loading platform, distribution platform, the gas of the LNG storage tank and LNG
Change platform, liquid goods platform are connected with generation platform, and the safety devices include fire-fighting, safety and emergency service.
2. offshore platform formula LNG storage system according to claim 1, it is characterised in that the fire-fighting system, safety
And emergency service, including seawater fire extinguishing system, water sprinkler system, powder extinguishing system, froth fire extinguishing system, CO2Fire extinguishing system,
Gas extinguishing system, detection gas leakage system, detection the liquid leakage system, pressure and temp monitoring system, closed-circuit television of LNG
System, liquid in storage tank leakage treatment facility, pipeline reveal treatment facility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357367.3A CN109340566A (en) | 2018-11-15 | 2018-11-15 | Marine liquefied natural gas storage platform system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357367.3A CN109340566A (en) | 2018-11-15 | 2018-11-15 | Marine liquefied natural gas storage platform system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340566A true CN109340566A (en) | 2019-02-15 |
Family
ID=65315321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811357367.3A Pending CN109340566A (en) | 2018-11-15 | 2018-11-15 | Marine liquefied natural gas storage platform system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340566A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005043030A1 (en) * | 2003-10-29 | 2005-05-12 | Shell Internationale Research Maatschappij B.V. | Liquefied natural gas storage structure having equipment platforms |
| CN101057101A (en) * | 2004-11-08 | 2007-10-17 | 国际壳牌研究有限公司 | Liquefied natural gas floating storage regasification unit |
| US20090293506A1 (en) * | 2008-05-30 | 2009-12-03 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | Semi-Submersible Offshore Structure Having Storage Tanks for Liquified Gas |
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| CN207034619U (en) * | 2017-07-03 | 2018-02-23 | 苏州杜尔气体化工装备有限公司 | A kind of flat LNG storage tank of Large Atmosphere Pressure for condensing BOG gases again |
| CN209415033U (en) * | 2018-11-15 | 2019-09-20 | 上海宏华海洋油气装备有限公司 | Marine liquefied natural gas storage platform system |
-
2018
- 2018-11-15 CN CN201811357367.3A patent/CN109340566A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005043030A1 (en) * | 2003-10-29 | 2005-05-12 | Shell Internationale Research Maatschappij B.V. | Liquefied natural gas storage structure having equipment platforms |
| CN101057101A (en) * | 2004-11-08 | 2007-10-17 | 国际壳牌研究有限公司 | Liquefied natural gas floating storage regasification unit |
| CN101668677A (en) * | 2007-04-26 | 2010-03-10 | 埃克森美孚上游研究公司 | Independent corrugated lng tank |
| CN102307780A (en) * | 2008-04-25 | 2012-01-04 | 新加坡国立大学 | Offshore fuel storage facility |
| US20090293506A1 (en) * | 2008-05-30 | 2009-12-03 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | Semi-Submersible Offshore Structure Having Storage Tanks for Liquified Gas |
| CN103688045A (en) * | 2011-07-19 | 2014-03-26 | 雪佛龙美国公司 | Method and system for combusting boil-off gas and generating electricity at an offshore lng marine terminal |
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| CN207034619U (en) * | 2017-07-03 | 2018-02-23 | 苏州杜尔气体化工装备有限公司 | A kind of flat LNG storage tank of Large Atmosphere Pressure for condensing BOG gases again |
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