CN207049598U - Liquefied natural gas device for storing liquid - Google Patents
Liquefied natural gas device for storing liquid Download PDFInfo
- Publication number
- CN207049598U CN207049598U CN201720874461.0U CN201720874461U CN207049598U CN 207049598 U CN207049598 U CN 207049598U CN 201720874461 U CN201720874461 U CN 201720874461U CN 207049598 U CN207049598 U CN 207049598U
- Authority
- CN
- China
- Prior art keywords
- tank body
- natural gas
- liquefied natural
- outer tank
- inner tank
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses liquefied natural gas device for storing liquid.The utility model includes the first outer tank body, the first outer tank body ecto-entad is sequentially provided with the second outer tank body and inner tank body, the bottom of first outer tank body is connected with arc steelframe, the bottom of arc steelframe is connected with 6 dampers, 6 dampers are welded with fixation steel plate away from arc steelframe one end, the bottom interior surface of inner tank body is vertically connected with liquid level gauge, inner tank body is connected with blast pipe, the pipeline that blast pipe is extended to outside the first outer tank body is provided with pressure gauge and the first valve, the bottom of inner tank body is connected with liquefied natural gas inlet/outlet pipe, the pipeline that liquefied natural gas inlet/outlet pipe is extended to outside the first outer tank body is provided with the second valve.The utility model structure design advantages of simple, more can effectively solve liquefied natural gas in transportation caused by rock caused by harm, meet the needs of people.
Description
Technical field
It the utility model is related to storage and the technical field of transportation of liquefied natural gas, more particularly to liquefied natural gas liquid storage dress
Put.
Background technology
Liquefied natural gas has obtained relatively important ground as a kind of cleaning, the economic energy in world's energy system
Position, but liquefied natural gas storage system is there is very big danger, once accident occurs, caused by personnel's injury and property
Lose extremely serious, with the extensive use of liquefied natural gas, the security study to LNG stocking systems turns into of concern one
Individual key subjects.
Liquefied natural gas main component is methane, and it is fossil energy most clean on the earth to be recognized.Colourless, tasteless, nothing
Malicious and non-corrosiveness, its volume are about the 1/625 of same amount gaseous natural gas volume, and the quality of liquefied natural gas is only androgynous ponding
45% or so.
For liquefied natural gas, no matter how good effect of heat insulation is, always produces a number of boil-off gas.When in storage tank
Operating pressure reaches when allowing maximum, and boil-off gas continues to increase, and the pressure in storage tank can be made to increase, more than design pressure,
Set off an explosion.During conveying liquified natural gas, if acutely rocking and can accelerate natural gas vaporization, storage tank can be caused
Interior air pressure rises rapidly and more than the safe pressure of setting, storage tank superpressure phenomenon is occurred.
Patent " is used to store in the storage tank of liquefied natural gas ", and storage tank is improved, but how it to prevent from transporting
Harm caused by storage tank lacks improvement analysis during defeated.
Utility model content
The purpose of this utility model is and the liquefied natural gas liquid storage proposed in order to solve shortcoming present in prior art
Device.
To achieve these goals, the utility model employs following technical scheme:
Liquefied natural gas device for storing liquid, including the first outer tank body, it is characterised in that the first outer tank body ecto-entad according to
Secondary to be provided with the second outer tank body and inner tank body, the bottom of first outer tank body is connected with arc steelframe, and the arc steelframe is remote
The side of first outer tank body is connected with 6 dampers, and the described one end of 6 dampers away from arc steelframe is welded with fixed steel
Plate, the bottom interior surface of the inner tank body are vertically connected with liquid level gauge, the liquid level gauge away from inner tank body bottom interior surface one
End is stretched out outside the first outer tank body, and the inner tank body is connected with blast pipe, and the one end of the blast pipe away from inner tank body stretches out first
Outside outer tank body, the tube wall that the blast pipe is stretched out outside the first outer tank body is provided with pressure gauge and the first valve, the inner tank body
Outer wall is connected with liquefied natural gas inlet/outlet pipe, and the first outer tank body is stretched out in the one end of the liquefied natural gas inlet/outlet pipe away from inner tank body
Outside, the tube wall that the liquefied natural gas inlet/outlet pipe is stretched out outside the first outer tank body is provided with the second valve.
Preferably, the first outer tank external surface has smeared Weir along insulating moulding coating.
Preferably, it is the vacuum layer of closing between the inner tank body and the second outer tank body.
Preferably, it is vacuum pellet insulation layer between second outer tank body and the first outer tank body.
Preferably, the model HW09 of the damper, the model ACD-2KL of the liquid level gauge, the pressure gauge
Model ACD-2H.
Preferably, first valve uses complete opening type A22 models, and second valve uses complete opening type A42 models.
Compared with prior art, the beneficial effects of the utility model are:
1. by the damping device set in tank bottom, more efficiently it can prevent storage tank from occurring in transportation
The situation of rocking may caused by explosion hazard.
2. by the vacuum layer set between Inner tanks and the second outer tank, what is set between the second outer tank and the first outer tank is true
The Weir that empty powder insulation layer and the first outer tank outer surface are smeared can more efficiently ensure to liquefy in Inner tanks along insulating moulding coating
The low temperature of natural gas, prevent the too high explosion hazard for causing liquefied natural gas of temperature.
3. by the liquid level gauge of setting, the change of liquefied natural gas reserves in storage tank more can be clearly learnt.
4. by the pressure gauge of setting, the change of liquefied natural gas pressure in storage tank more can be clearly learnt, so as to
Prevent overpressure events in advance.
In the utility model, structure design advantages of simple, it more can effectively prevent liquefied natural gas in transportation
In caused by rock caused by harm, the cryogenic temperature of liquefied natural gas is kept stable, meet people's
Demand.
Brief description of the drawings
Fig. 1 be the utility model proposes liquefied natural gas device for storing liquid positive structure diagram;
Fig. 2 be the utility model proposes liquefied natural gas device for storing liquid side structure schematic view.
In figure:1 first outer tank, 2 second outer tanks, 3 Inner tanks, 4 arc steelframes, 5 dampers, 6 fixation steel plates, 7 liquid level gauges, 8
Blast pipe, 9 pressure gauges, 10 first valves, 11 liquefied natural gas inlet/outlet pipes, 12 second valves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, liquefied natural gas device for storing liquid, including the first outer tank body 1, the ecto-entad of the first outer tank body 1
The second outer tank body 2 and inner tank body 3 are sequentially provided with, the bottom of the first outer tank body 1 is connected with arc steelframe 4, and arc steelframe 4 is away from
The side of one outer tank body 1 is connected with 6 dampers, 5,6 one end of damper 5 away from arc steelframe 4 and is welded with fixation steel plate
6, the bottom interior surface of inner tank body 3 is vertically connected with liquid level gauge 7, and the one end of liquid level gauge 7 away from the bottom interior surface of inner tank body 3 is stretched out
Outside first outer tank body 1, inner tank body 3 is connected with blast pipe 8, and the one end of blast pipe 8 away from inner tank body 3 is stretched out outside the first outer tank body 1,
The tube wall that blast pipe 8 is stretched out outside the first outer tank body 1 is provided with the valve 10 of pressure gauge 9 and first, and the bottom of inner tank body 3 is connected with
Liquefied natural gas inlet/outlet pipe 11, the one end of liquefied natural gas inlet/outlet pipe 11 away from inner tank body 3 are stretched out outside the first outer tank body 1, liquefaction
The tube wall that natural gas inlet/outlet pipe 11 is stretched out outside the first outer tank body 1 is provided with the second valve 12.
Weir is smeared along insulating moulding coating in the outer surface of first outer tank body 1.
It is the vacuum layer of closing between the outer tank body 2 of inner tank body 3 and second.
It is vacuum pellet insulation layer between the outer tank body 1 of second outer tank body 2 and first.
The model HW09 of the damper 5, the model ACD-2KL of liquid level gauge 7, the model ACD-2H of pressure gauge 9.
First valve 10 uses complete opening type A22 models, and the second valve 12 uses complete opening type A42 models.
Operation principle:In use, it can effectively fix storage tank, then profit by being arranged at the arc steelframe of tank bottom
It can more efficiently prevent from producing in storage tank transportation rocking with the damper under arc steelframe, pass through the liquid level of setting
Meter, can learn the change of liquefied natural gas reserves in storage tank, by the pressure gauge of setting, can learn that liquefaction is natural in storage tank
The change of atmospheric pressure, it is heat-insulated between the second outer tank and the first outer tank so as to prevent overpressure events, Inner tanks and the second outer tank in advance
Layer more can effectively make the liquefied natural gas in Inner tanks keep stable.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. liquefied natural gas device for storing liquid, including the first outer tank body(1), it is characterised in that first outer tank body(1)By extroversion
Inside it is sequentially provided with the second outer tank body(2)And inner tank body(3), first outer tank body(1)Bottom be connected with arc steelframe(4),
The arc steelframe(4)Away from the first outer tank body(1)Side be connected with 6 dampers(5), 6 dampers(5)It is remote
Arc steelframe(4)One end be welded with fixation steel plate(6), the inner tank body(3)Bottom interior surface be vertically connected with liquid level gauge
(7), the liquid level gauge(7)Away from inner tank body(3)The first outer tank body is stretched out in one end of bottom interior surface(1)Outside, the inner tank body
(3)It is connected with blast pipe(8), the blast pipe(8)Away from inner tank body(3)One end stretch out the first outer tank body(1)Outside, it is described
Blast pipe(8)Stretch out the first outer tank body(1)Outer tube wall is provided with pressure gauge(9)With the first valve(10), the inner tank body(3)
Outer wall be connected with liquefied natural gas inlet/outlet pipe(11), the liquefied natural gas inlet/outlet pipe(11)Away from inner tank body(3)One end
Stretch out the first outer tank body(1)Outside, the liquefied natural gas inlet/outlet pipe(11)Stretch out the first outer tank body(1)Outer tube wall is provided with the
Two valves(12).
2. liquefied natural gas device for storing liquid according to claim 1, it is characterised in that first outer tank body(1)Appearance
Weir is smeared along insulating moulding coating in face.
3. liquefied natural gas device for storing liquid according to claim 1, it is characterised in that the inner tank body(3)With outside second
Tank body(2)Between for closing vacuum layer.
4. liquefied natural gas device for storing liquid according to claim 1, it is characterised in that second outer tank body(2)With
One outer tank body(1)Between be vacuum pellet insulation layer.
5. liquefied natural gas device for storing liquid according to claim 1, it is characterised in that the damper(5)Model
HW09, the liquid level gauge(7)Model ACD-2KL, the pressure gauge(9)Model ACD-2H.
6. liquefied natural gas device for storing liquid according to claim 1, it is characterised in that first valve(10)Using complete
Open formula A22 models, the second valve(12)Using complete opening type A42 models.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720874461.0U CN207049598U (en) | 2017-07-19 | 2017-07-19 | Liquefied natural gas device for storing liquid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720874461.0U CN207049598U (en) | 2017-07-19 | 2017-07-19 | Liquefied natural gas device for storing liquid |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207049598U true CN207049598U (en) | 2018-02-27 |
Family
ID=61497502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720874461.0U Expired - Fee Related CN207049598U (en) | 2017-07-19 | 2017-07-19 | Liquefied natural gas device for storing liquid |
Country Status (1)
Country | Link |
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CN (1) | CN207049598U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111237630A (en) * | 2018-11-29 | 2020-06-05 | 天津良华新能源科技股份有限公司 | Conveniently transport LNG's air entrainment storage tank |
-
2017
- 2017-07-19 CN CN201720874461.0U patent/CN207049598U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111237630A (en) * | 2018-11-29 | 2020-06-05 | 天津良华新能源科技股份有限公司 | Conveniently transport LNG's air entrainment storage tank |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |