CN207975464U - It is a kind of that there is the LNG full-capacity tanks for improving drawstring - Google Patents
It is a kind of that there is the LNG full-capacity tanks for improving drawstring Download PDFInfo
- Publication number
- CN207975464U CN207975464U CN201821104019.0U CN201821104019U CN207975464U CN 207975464 U CN207975464 U CN 207975464U CN 201821104019 U CN201821104019 U CN 201821104019U CN 207975464 U CN207975464 U CN 207975464U
- Authority
- CN
- China
- Prior art keywords
- drawstring
- liquid container
- cassette tape
- sealing plate
- plate
- 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.)
- Active
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of LNG full-capacity tanks for having and improving drawstring, including primary tank, secondary liquid container and drawstring, the secondary liquid container include bottom plate, sealing plate are welded on bottom plate, the drawstring is bending, and is welded on the sealing plate.Storage tank drawstring is carried out advance bending and controls crooked radian by the utility model, the secondary stress that two fixed points are subject to can be reduced, in turn ensuring simultaneously can tense when storage tank is in running order between two fixed points, it avoids since the weld stress between drawstring and the sealing plate of secondary liquid container is excessive, and leads to time liquid container failure.
Description
Technical field
The utility model is related to the fields LNG more particularly to a kind of LNG full-capacity tanks with improvement drawstring.
Background technology
LNG is the abbreviation of liquefied natural gas (liquefied natural gas), and main component is methane.LNG is colourless,
Tasteless, nontoxic and non-corrosive, the weight that volume is about 1/600, LNG of same amount gaseous natural gas volume is only androgynous ponding
45% or so.Natural gas is fuel gas naturally mined in gas field, is mainly made of methane.LNG be by
Gaseous natural gas is cooled to -162 DEG C under normal pressure, is allowed to condense into liquid.Storage and transportation sky can be greatlyd save after natural gas liquefaction
Between, and have the characteristics that calorific value is big, performance is high.
The radian that traditional LNG full-capacity tanks drawstring is not pre-bent, when storage tank carries out the water pressure test, since bottom is exhausted
The sinking of thermosphere, drawstring is rigidly larger in addition, and drawstring and time weld stress of liquid container floor sealing plate are larger；In addition, when storage
When tank is in running order, since secondary liquid container floor is cooled to tank body central reduction, in addition drawstring itself by cold events,
Traditional pulling belt structure form also results in drawstring and time weld stress of liquid container floor sealing plate is excessive.Both the above reason
Caused part weld stress is excessive, easily causes the secondary liquid container of LNG full-capacity tanks to fail, so as to cause the main appearance of full appearance tank
When device leaks, secondary liquid container cannot store the LNG of primary tank leakage, to cause danger.
Utility model content
Technical problem to be solved in the utility model is traditional LNG full-capacity tanks primary tank drawstring and time liquid container bottom
Plate weld weld stress is excessive, easily causes the secondary liquid container of LNG full appearance tanks to fail, is let out so as to cause full appearance tank primary tank
When leakage, secondary liquid container cannot store the LNG of primary tank leakage, and it is an object of the present invention to provide a kind of tool the problem of to cause danger
There are the LNG full-capacity tanks for improving drawstring, solves the above problems.
The utility model is achieved through the following technical solutions：
It is a kind of that there is the LNG full-capacity tanks for improving drawstring, including primary tank, secondary liquid container and drawstring, the secondary liquid
Container includes bottom plate, sealing plate is welded on bottom plate, the drawstring is bending, and is welded on the sealing plate, according to this field
The other end of technology, drawstring is embedded in tank foundation.
The radian that traditional full-capacity tank drawstring is not pre-bent leads between primary tank drawstring and the bottom plate of secondary liquid container
Sealing plate connection is crossed, when storage tank carries out the water pressure test, due to the sinking of bottom thermal insulation layer, drawstring is rigidly larger in addition, drawstring sheet
Body by cold events, keep the weld stress between drawstring and the sealing plate of secondary liquid container larger；Meanwhile when storage tank is in work shape
When state, since the bottom plate of secondary liquid container is cooled to tank body central reduction, make the junction of drawstring and the bottom plate of time liquid container
Stress is larger.
Due to being all relatively fixed between drawstring and tank foundation and between the sealing plate and drawstring of secondary liquid container, drawstring
Two junctions suffered by secondary stress it is larger, and in scheme used by the utility model, storage tank drawstring is carried out advance
Bending and control crooked radian, since the drawstring buckling load of bending can greatly reduce, thus greatly reduce storage tank progress
When the water pressure test, the weld stress between drawstring and sealing plate can reduce the secondary stress that the junction of sealing plate and drawstring is subject to,
In turn ensuring simultaneously can tense when storage tank is in running order between the two fixing points of drawstring.
It, can be by controlling bending radius and bending string due to being pre-bent for drawstring when storage tank is in running order
It is long, it so that drawstring is made up the position that the bottom plate due to secondary liquid container shrinks generation to tank body central reduction and drawstring itself
It moves, and is unlikely to make the drawstring below the bottom plate of time liquid container to be in more loose state, so as to avoid due to drawstring and not good liquor
Weld stress between the sealing plate of body container is excessive, and leads to time liquid container failure.
Further, reinforcing rib is provided between the drawstring and the sealing plate, while can be in the envelope of secondary liquid container
Pass through concrete sharing of load plate uniform compaction around plate so that even if the drawstring of the bottom plate lower part of secondary liquid container is by cold events
Not exclusively, the weld strength of reinforcing rib and drawstring, the weld strength of sealing plate and the bottom plate of time liquid container are also sufficient for storage tank
The requirement of seismic (seismal.
Further, it is provided with cassette tape backing plate on the primary tank, cassette tape is provided on cassette tape backing plate；It is set on the drawstring
It is equipped with drawstring fixture block, preset clearance between drawstring fixture block and cassette tape.
Drawstring fixture block and cassette tape clamping when the installation of traditional storage tank room temperature, primary tank and drawstring by cold events posterior tension bands exist compared with
High-prestressed, this power acts on the foam glass brick below cylinder by primary tank cylinder, and foam glass brick stress is made to increase, card
Secondary stress suffered by cylinder junction of the band with primary tank is larger.
In the utility model, certain interval is reserved between drawstring fixture block and cassette tape, can be arranged not according to different tank diameters
With the gap of size, for example, when primary tank is 10,000 side, preset clearance is 5-6mm between drawstring fixture block and cassette tape.Work as drawstring
It is cooled after body centre contraction by cold events and primary tank cylinder, drawstring fixture block and cassette tape just clamping substantially improve master
The stressing conditions of foam glass brick below shell, drawstring fixture block and cassette tape clamping, drawstring when being installed so as to avoid room temperature
And there are larger prestressed situations after by cold events for primary tank cylinder.
Further, the cassette tape backing plate is connected to by welding manner on the outer wall of the primary tank.
Further, the quantity of the cassette tape backing plate is two, and the cassette tape is connected to two cassette tapes by welding manner
Between backing plate.
Further, the gap between the drawstring fixture block and cassette tape is 5~6mm.
Further, it is 4m that the drawstring, which is radius, and chord length is the arc of 1m.
The embodiments of the present invention are not limited in above-mentioned size, and specific size can be according to actual conditions come really
Fixed, the gap and drawstring radian size that different storage tank sizes uses are different from.
The utility model compared with prior art, has the following advantages and advantages：
1, the utility model is a kind of having the LNG full-capacity tanks for improving drawstring, and storage tank drawstring is carried out advance bending simultaneously
Crooked radian is controlled, since the drawstring buckling load of bending can greatly reduce, storage tank is thus greatly reduced and carries out the water pressure test
When, the weld stress between drawstring and the sealing plate of secondary liquid container can reduce the secondary stress that two fixed points are subject to, while again
Ensure that can tense when storage tank is in running order between two fixed points；
2, the utility model is a kind of having the LNG full-capacity tanks for improving drawstring, when storage tank is in running order, due to drawing
Band is pre-bent, and both drawstring can be made to make up due to secondary liquid container by controlling bending radius and bending chord length
Bottom plate shrinks the displacement of generation to tank body central reduction and drawstring itself, and is unlikely to make the drawing below the bottom plate of time liquid container
Band is in more loose state, so as to avoid due to the weld stress between drawstring and the sealing plate of secondary liquid container it is excessive, and cause
Secondary liquid container failure.
3, the utility model is a kind of having the LNG full-capacity tanks for improving drawstring, is arranged between the drawstring and the sealing plate
There is reinforcing rib, while concrete sharing of load plate uniform compaction can be passed through around the sealing plate of secondary liquid container so that even if
The drawstring of the bottom plate lower part of secondary liquid container is incomplete by cold events, reinforcing rib and drawstring, the bottom plate of sealing plate and time liquid container
Weld strength be also sufficient for the requirement of storage tank seismic (seismal.
4, the utility model is a kind of having the LNG full-capacity tanks for improving drawstring, is reserved between drawstring fixture block and cassette tape certain
Different size of gap can be arranged in gap according to different tank diameters, and primary tank and drawstring are after by cold events, drawstring fixture block and card
Band just clamping substantially improves the stressing conditions of foam glass brick below primary tank cylinder, when being installed so as to avoid room temperature
Drawstring fixture block and cassette tape clamping, there are larger prestressed situations after by cold events.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model partial structural diagram；
Fig. 2 is the utility model drawstring and time liquid container position schematic diagram；
Fig. 3 is the utility model drawstring and primary tank position view.
Label and corresponding parts title in attached drawing：
1- primary tanks, 2- liquid container, 3- drawstrings, 4- bottom plates, 5- sealing plates, 6- bottom thermal insulation layers, 7- tank foundations, 8-
Reinforcing rib, 9- cassette tape backing plates, 10- cassette tapes, 11- drawstring fixture blocks.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in FIG. 1 to 3, a kind of that there is the LNG full-capacity tanks for improving drawstring, including primary tank 1, secondary liquid container 2
With drawstring 3, the secondary liquid container 2 includes bottom plate 4, sealing plate 5 is welded on bottom plate 4, the drawstring 3 is bending, and is welded
On the sealing plate 5, according to art technology, the other end of drawstring 3 is embedded in tank foundation 7.
The radian that traditional full-capacity tank drawstring 3 is not pre-bent, the bottom plate 4 of primary tank drawstring 3 and time liquid container it
Between connected by sealing plate 5, when storage tank carries out the water pressure test, due to the sinking of bottom thermal insulation layer 6,3 rigidity of drawstring is larger in addition,
Drawstring 3 itself by cold events, keep the weld stress between drawstring 3 and the sealing plate 5 of secondary liquid container 2 larger；Meanwhile working as storage tank
When in running order, since the bottom plate 4 of secondary liquid container 2 is cooled to tank body central reduction, make drawstring 3 and time liquid container 2
Bottom plate 4 junction stress it is larger.
Due to being all relatively fixed between drawstring 3 and tank foundation 7 and between the sealing plate of secondary liquid container 25 and drawstring 3,
Secondary stress suffered by two junctions of drawstring 3 is larger, and in scheme used by the utility model, by storage tank drawstring 3 into
The advance bending of row simultaneously controls crooked radian, since 3 buckling load of drawstring of bending can greatly reduce, thus greatly reduces storage
When tank carries out the water pressure test, the weld stress between drawstring 3 and sealing plate 5, can reduce the junction of sealing plate 5 and drawstring 3 by
Secondary stress, while in turn ensuring and can be tensed between the two fixing points of drawstring 3 when storage tank is in running order.
It, can be by controlling bending radius and bending string due to being pre-bent for drawstring 3 when storage tank is in running order
It is long, drawstring 3 can both made up since the bottom plate 4 of secondary liquid container 2 shrinks generation to tank body central reduction and drawstring 3 itself
Displacement, and be unlikely to that the drawstring 3 of 4 lower section of bottom plate of time liquid container 2 is made to be in more loose state, so as to avoid due to drawstring 3
Weld stress between the sealing plate 5 of secondary liquid container 2 is excessive, and time liquid container 2 is caused to fail.
Embodiment 2
The present embodiment is that the utility model is further described on the basis of embodiment 1.
As shown in Fig. 2, a kind of having the LNG full-capacity tanks for improving drawstring, it is provided with and adds between drawstring 3 and the sealing plate 5
Strengthening tendons 8, while concrete sharing of load plate uniform compaction can be passed through around the sealing plate 5 of secondary liquid container 2 so that even if secondary
The drawstring 3 of 4 lower part of bottom plate of liquid container 2 is incomplete by cold events, reinforcing rib 8 and drawstring 3, sealing plate 5 and time liquid container 2
The weld strength of bottom plate 4 is also sufficient for the requirement of storage tank seismic (seismal.
Embodiment 3
The present embodiment is that the utility model is further described on the basis of embodiment 1.
As shown in figure 3, a kind of having the LNG full-capacity tanks for improving drawstring, cassette tape backing plate 9, cassette tape are provided on primary tank 1
Cassette tape 10 is provided on backing plate 9；Drawstring fixture block 11 is provided on the drawstring 3, between being reserved between drawstring fixture block 11 and cassette tape 10
Gap.
Drawstring fixture block 11 and 10 clamping of cassette tape when traditional full-capacity tank room temperature installation, primary tank 1 is with drawstring 3 after by cold events
3 presence of drawstring is more high-prestressed, this power acts on the foam glass brick below cylinder by 1 cylinder of primary tank, makes foam glass
Brick stress increases.
In the utility model, certain interval is reserved between drawstring fixture block 11 and cassette tape 10, can be set according to different tank diameters
Different size of gap is set, with drawstring 3 after by cold events, drawstring fixture block 11 and the just clamping of cassette tape 10 substantially improve primary tank 1
The stressing conditions of foam glass brick below 1 cylinder of primary tank, drawstring fixture block 11 and cassette tape 10 when install so as to avoid room temperature
Clamping, there are larger prestressed situations after by cold events.
In the present embodiment, cassette tape backing plate 9 is connected to by welding manner on the outer wall of the primary tank 1；Cassette tape backing plate 9
Quantity be two, the cassette tape 10 is connected to by welding manner between two cassette tape backing plates 9；Drawstring fixture block 11 and cassette tape 10
Between gap be 5~6mm；Drawstring 3 is that radius is 4m, and chord length is the arc of 1m.
Above specific implementation mode has carried out further the purpose of this utility model, technical solution and advantageous effect
It is described in detail, it should be understood that the above is only the specific embodiments of the utility model, is not used to limit this practicality
Novel protection domain, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of having the LNG full-capacity tanks for improving drawstring, including primary tank (1), secondary liquid container (2) and drawstring (3), spy
Sign is that the secondary liquid container (2) includes bottom plate (4), and sealing plate (5) is welded on bottom plate (4), and the drawstring (3) is bending
Shape, and be welded on the sealing plate (5).
2. a kind of LNG full-capacity tanks with improvement drawstring according to claim 1, which is characterized in that the drawstring (3)
Reinforcing rib (8) is provided between the sealing plate (5).
3. a kind of LNG full-capacity tanks with improvement drawstring according to claim 1, which is characterized in that the primary tank
(1) it is provided with cassette tape backing plate (9) on, cassette tape (10) is provided on cassette tape backing plate (9)；It is provided with drawstring card on the drawstring (3)
Block (11), preset clearance between drawstring fixture block (11) and cassette tape (10).
4. a kind of LNG full-capacity tanks with improvement drawstring according to claim 3, which is characterized in that the cassette tape pad
Plate (9) is connected to by welding manner on the outer wall of the primary tank (1).
5. a kind of LNG full-capacity tanks with improvement drawstring according to claim 3, which is characterized in that the cassette tape pad
The quantity of plate (9) is two, and the cassette tape (10) is connected to by welding manner between two cassette tape backing plates (9).
6. a kind of LNG full-capacity tanks with improvement drawstring according to claim 3, which is characterized in that the drawstring card
Gap between block (11) and cassette tape (10) is 5~6mm.
7. a kind of LNG full-capacity tanks with improvement drawstring according to any one of claim 1~6, feature exist
In the drawstring (3) is that radius is 4m, and chord length is the arc of 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821104019.0U CN207975464U (en) | 2018-07-12 | 2018-07-12 | It is a kind of that there is the LNG full-capacity tanks for improving drawstring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821104019.0U CN207975464U (en) | 2018-07-12 | 2018-07-12 | It is a kind of that there is the LNG full-capacity tanks for improving drawstring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975464U true CN207975464U (en) | 2018-10-16 |
Family
ID=63763567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821104019.0U Active CN207975464U (en) | 2018-07-12 | 2018-07-12 | It is a kind of that there is the LNG full-capacity tanks for improving drawstring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975464U (en) |
-
2018
- 2018-07-12 CN CN201821104019.0U patent/CN207975464U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4616279B2 (en) | Storage tank for liquefied natural gas and method for producing the same | |
| CN104295885B (en) | Be applicable to the tank skin heat-insulation system of novel LNG storage tank | |
| AU2009238346B2 (en) | Double barrier for a liquefied gas storage tank and method for building the double barrier | |
| WO2021135917A1 (en) | Low-temperature storage device and installation method therefor | |
| CN203240268U (en) | Self-support type LNG (Liquefied Natural Gas) storage tank | |
| CN101270846A (en) | Storage tank for low-pressure liquefied hydrogen | |
| CN109519697A (en) | A kind of underground LNG storage tank and its method of construction | |
| CN207975464U (en) | It is a kind of that there is the LNG full-capacity tanks for improving drawstring | |
| JP2006017213A (en) | Cold insulation sealing structure of low-temperature fluid storage tank | |
| WO2021135916A1 (en) | Anchoring plate for low-temperature storage device | |
| CN211551144U (en) | Low temperature is anchor board for storage device | |
| KR20110058206A (en) | Insulation panel installation structure of a liquified gas storage tank | |
| CN211544655U (en) | Low-temperature storage device | |
| KR20130045700A (en) | Insulation box fixing structure for cargo containment | |
| CN210266687U (en) | Tank deck structure of low temperature storage tank | |
| CN114458944A (en) | Land storage tank for storing liquid hydrogen and liquid helium | |
| CN214535659U (en) | Concrete full-capacity tank | |
| CN108861170B (en) | Anti-seismic structure for inner tank of double-shell low-temperature tank | |
| CN110207000A (en) | A kind of residual oil in tank of low-temperature storage tank | |
| CN114877244A (en) | Land liquid hydrogen storage tank with liquid nitrogen cold wall | |
| CN218705659U (en) | Low temperature storage tank anchor | |
| CN112963724A (en) | Concrete full-capacity tank | |
| CN109882731A (en) | A kind of storage tank reducing LNG liquid level | |
| CN207880436U (en) | A kind of prestressed concrete storage tank | |
| CN207599339U (en) | A kind of low temperature bimetallic full appearance tank inner canister anchor band tube-in-tube structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |