CN104456062A - LNG (liquefied natural gas) storage tank provided with support column - Google Patents
LNG (liquefied natural gas) storage tank provided with support column Download PDFInfo
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- CN104456062A CN104456062A CN201410705975.4A CN201410705975A CN104456062A CN 104456062 A CN104456062 A CN 104456062A CN 201410705975 A CN201410705975 A CN 201410705975A CN 104456062 A CN104456062 A CN 104456062A
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- storage tank
- supporting post
- lng storage
- tank
- support column
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Abstract
The invention discloses an LNG (liquefied natural gas) storage tank provided with a support column. The LNG storage tank comprises an LNG storage tank body, wherein the LNG storage tank body comprises an outer tank and an inner tank arranged in the outer tank; the support column is arranged in the LNG storage tank and connected with the dome of the outer tank; a gap between the support column and the tank wall of the inner tank is filled with a cold insulation material; and the support column is arranged in the center position of the LNG storage tank. The gap between the support column and the inner tank is filled with the cold insulation material, and a heating device is arranged in the support column, so that the support column surrounded by cryogenic liquid for a long term can keep a normal work state.
Description
Technical field
The present invention relates to a kind of LNG storage tank being provided with supporting post, belong to LNG Liquefied natural gas (LNG) technical field of memory.
Background technique
Current LNG holds in storage tank entirely, there is not the structure of pillar.Due to the large scale development trend of storage tank, the span of dome is increasing.But theoretical proof, the span of dome can not infinitely increase.When tank volume increases further, the span of value will become the major reason of restriction storage tank large scale development.Solving dome across the unlimited problem increased, is one of difficult point of storage tank future development.
Under normal circumstances, post can be arranged in the middle of the building that span is larger to support.But because LNG storage tank belongs to low-temperature (low temperature) vessel, the design method of building with other exists larger difference, therefore, the difficulty increasing supporting post in storage tank is larger.And the requirement of the concrete structure of longspan to construction is higher, increases the difficulty of construction of whole storage tank.
Summary of the invention
The object of this invention is to provide a kind of LNG storage tank being provided with supporting post, by extension supporting post in tank body, improve the span of value, add single tank volume, decrease the floor space of LNG storage tank per unit volume, reduce storage tank construction cost.
The LNG storage tank being provided with supporting post provided by the present invention, it comprises LNG storage tank body; Described LNG storage tank body comprises outer tank and is located at the inner canister in described outer tank; Be provided with a supporting post in described LNG storage tank, and described supporting post is connected with the dome of described outer tank; Cold insulation material is filled with between the tank skin of described supporting post and described inner canister.
In described LNG storage tank, described supporting post is located at the center position of described LNG storage tank, for supporting dome, and then increases the span of dome.
In described LNG storage tank, in described supporting post, be provided with heating equipment, remain on normal temperature state to make described supporting post.
In described LNG storage tank, described supporting post is connected with temperature-detecting device, to monitor the temperature variation of described supporting post at any time, ensures that described supporting post (reinforced column) is within normal working temperature scope all the time.
In LNG storage tank of the present invention, described supporting post is connected with the dome at top with the cushion cap of bottom, and passes from described inner canister center region; The cold insulation materials such as perlite are filled between described interior tank shell and described supporting post.
The LNG storage tank tool that the present invention is provided with supporting post has the following advantages:
The supporting structure of post is not set in existing storage tank, the maximum span of dome is restricted, and the present invention increases supporting post in storage tank, adds the span of dome, and the volume of storage tank can be made to expand further.Meanwhile, under the condition that equal tank holds, the ratio of height to diameter that supporting post can reduce storage tank is set, reduces storage tank center of gravity, reduce geological process power; Meanwhile, the area in the region that can lay out pile increases, and can increase total bearing capacity of pile foundation.Tank holds to be increased, and can reduce the unit price of storage tank, the cost of investment of storage tank can obtain larger economic benefit, reduce the quantity of storage tank simultaneously, reduces storage tank region floor space.The present invention fills cold insulation material between supporting post and inner canister, and arranges heating equipment in supporting post, enables the supporting post being in cryogenic liquide encirclement for a long time keep normal working.
Accompanying drawing explanation
Fig. 1 is the overall schematic that the present invention is provided with the LNG storage tank of supporting post.
Fig. 2 is the bottom Local map that the present invention is provided with supporting post in the LNG storage tank of supporting post.
In figure, each mark is as follows:
1 supporting post, 2 cold insulation materials, 3 inner canisters, 4 cushion caps, 5 heating equipments, 6 furred ceilings, 7 domes.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to following examples.
As shown in Figure 1, for the LNG storage tank being provided with supporting post provided by the invention, comprise the LNG storage tank body be located on cushion cap 4 (reinforced concrete material), it comprises outer tank (not marking in figure) and is located at the inner canister 3 ((9%Ni steel plate, the top of inner canister 3 is provided with furred ceiling 6) in outer tank.Be provided with a supporting post 1 at the center position of LNG storage tank, it is reinforced concrete material, and supporting post 1 is connected with the dome of outer tank, for supporting dome, increases the span of dome.Cold insulation material 2 (as perlite etc.) is filled with between supporting post 1 and the tank skin of inner canister 1.This cold insulation material principle is similar to the cold insulation between inner canister with storage tank outer tank, to reduce the heat trnasfer in tank between LNG liquid and supporting post.
In order to make supporting post 1 remain on normal temperature state, arrange heating equipment 5 in supporting post 1, this heating equipment 5 makes supporting post 1 namely directly not contact with external environment condition, also can be in normal working temperature for a long time.
In order to ensure that supporting post 1 is within normal working temperature scope all the time, this supporting post 1 is connected with temperature-detecting device (not shown), to monitor the temperature variation of described supporting post 1 at any time.
The present invention is provided with the LNG storage tank of supporting post, owing to there is cold insulation material between supporting post 1 and inner canister 3, and supporting post 1 outer installment heating equipment 5, therefore in precooling with operation, supporting post 1 can not produce excessive deformation due to low temperature.
The present invention is provided with the LNG storage tank of supporting post, and the supporting post 1 due to storage tank is arranged on the central position of storage tank, is therefore rising in the process of top, the stabilizer in dome 7 center portion should be located at outside supporting post 1, and rising in the process of top, should strictly monitor whole process, prevent the accidents such as inclination.
Claims (4)
1. be provided with a LNG storage tank for supporting post, it comprises LNG storage tank body; Described LNG storage tank body comprises outer tank and is located at the inner canister in described outer tank;
It is characterized in that: in described LNG storage tank, be provided with supporting post, and described supporting post is connected with the dome of described outer tank; Cold insulation material is filled with between the tank skin of described supporting post and described inner canister.
2. LNG storage tank according to claim 1, is characterized in that: described supporting post is located at the center position of described LNG storage tank.
3. LNG storage tank according to claim 1 and 2, is characterized in that: be provided with heating equipment in described supporting post.
4. the LNG storage tank according to any one of claim 1-3, is characterized in that: described supporting post is connected with temperature-detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705975.4A CN104456062B (en) | 2014-11-27 | 2014-11-27 | LNG (liquefied natural gas) storage tank provided with support column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705975.4A CN104456062B (en) | 2014-11-27 | 2014-11-27 | LNG (liquefied natural gas) storage tank provided with support column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456062A true CN104456062A (en) | 2015-03-25 |
| CN104456062B CN104456062B (en) | 2017-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705975.4A Active CN104456062B (en) | 2014-11-27 | 2014-11-27 | LNG (liquefied natural gas) storage tank provided with support column |
Country Status (1)
| Country | Link |
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| CN (1) | CN104456062B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069087A1 (en) * | 2002-02-13 | 2003-08-21 | Statoil Asa | Dome shaped structure and method for constructing such structure |
| CN203240268U (en) * | 2013-03-19 | 2013-10-16 | 中国海洋石油总公司 | Self-support type LNG (Liquefied Natural Gas) storage tank |
| DE202012104310U1 (en) * | 2012-11-09 | 2014-02-11 | JOPE Beteiligungs GmbH | Tragluftdach for a biogas tank |
| CN204459747U (en) * | 2014-11-27 | 2015-07-08 | 中国海洋石油总公司 | A kind of LNG storage tank being provided with supporting post |
-
2014
- 2014-11-27 CN CN201410705975.4A patent/CN104456062B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069087A1 (en) * | 2002-02-13 | 2003-08-21 | Statoil Asa | Dome shaped structure and method for constructing such structure |
| DE202012104310U1 (en) * | 2012-11-09 | 2014-02-11 | JOPE Beteiligungs GmbH | Tragluftdach for a biogas tank |
| CN203240268U (en) * | 2013-03-19 | 2013-10-16 | 中国海洋石油总公司 | Self-support type LNG (Liquefied Natural Gas) storage tank |
| CN204459747U (en) * | 2014-11-27 | 2015-07-08 | 中国海洋石油总公司 | A kind of LNG storage tank being provided with supporting post |
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| Publication number | Publication date |
|---|---|
| CN104456062B (en) | 2017-02-01 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC Gas & Power Group Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC Gas & Power Group Patentee before: China National Offshore Oil Corporation |
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| CP01 | Change in the name or title of a patent holder |