CN211649801U - Heat insulation connecting structure of inner tank body and outer tank body of liquid storage tank - Google Patents
Heat insulation connecting structure of inner tank body and outer tank body of liquid storage tank Download PDFInfo
- Publication number
- CN211649801U CN211649801U CN201922379697.9U CN201922379697U CN211649801U CN 211649801 U CN211649801 U CN 211649801U CN 201922379697 U CN201922379697 U CN 201922379697U CN 211649801 U CN211649801 U CN 211649801U
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- Prior art keywords
- tank body
- pipeline
- guide
- cylindrical body
- communicated
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 8
- 238000009413 insulation Methods 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 7
- 239000010431 corundum Substances 0.000 claims abstract description 7
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000011152 fibreglass Substances 0.000 claims abstract description 4
- 239000003949 liquefied natural gas Substances 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a heat insulation connecting structure of an inner tank body and an outer tank body of a liquid storage tank, which comprises a flange plate welded on the outer tank body, wherein a sealing plate is detachably connected on the flange plate; guide pillars made of glass fiber reinforced plastic are tightly attached to the inner hole of the flange plate, one ends of the guide pillars extend into the inner tank body, guide pipes are arranged in the guide pillars, one ends of the guide pipes are communicated with the inner tank body, and the other ends of the guide pipes are communicated with the outside; and a plunger which is made of corundum porcelain and used for sealing and blocking the guide pipe is inserted into one end of the guide pipe communicated with the outside. Simple structure adopts the guide pillar of glass steel material as the main part of connection, and the stand pipe of guide pillar is plugged up to the plunger of making with the corundum porcelain for liquefied natural gas does not contact with the metal, reduces the heat dispersion of this junction, can show improvement adiabatic effect.
Description
Technical Field
The utility model relates to a LNG jar body technical field especially relates to a thermal-insulated connection structure of the interior outer jar of body of liquid storage pot.
Background
An LNG tank is a medium used for storing cryogenic media and generally includes an inner tank, an outer tank, and a thermal insulation sandwich. The key technology of the existing LNG tank body is to reduce the influence of the external environment on the low-temperature liquefied natural gas in the inner tank body and reduce the thermal conductivity between the outer tank body and the inner tank body. The LNG tank body needs to be provided with a filling connector, the connector is usually a metal straight pipe, the heat conductivity of metal is good, the heat dissipation capacity of the connector accounts for about half of the heat dissipation capacity of the whole LNG tank body, and inconvenience is brought to storage of liquefied natural gas.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a thermal-insulated connecting structure of the inner tank body and the outer tank body of the liquid storage tank, which reduces the heat dispersion of the joint.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a heat insulation connecting structure of an inner tank body and an outer tank body of a liquid storage tank comprises a flange plate welded on the outer tank body, wherein a sealing plate is detachably connected on the flange plate; guide pillars made of glass fiber reinforced plastic are tightly attached to the inner hole of the flange plate, one end of each guide pillar extends into the inner tank body, and the guide pillars are connected with the inner tank body in a sealing mode; a guide pipe is arranged in the guide pillar, one end of the guide pipe is communicated with the inner tank body, and the other end of the guide pipe is communicated with the outside; and a plunger which is made of corundum porcelain and used for sealing and blocking the guide pipe is inserted into one end of the guide pipe communicated with the outside.
Further, the plunger is inserted into the guide tube to a depth between the inner tank and the outer tank.
Further, the plunger comprises a first cylindrical body and a second cylindrical body which are coaxially arranged, the inner diameter of the first cylindrical body is larger than that of the second cylindrical body, and the height of the first cylindrical body is smaller than that of the second cylindrical body; and a material grabbing position is arranged on the outer connecting surface of the first cylindrical body. The field personnel use special tool to grasp the material grasping position, and can take out the plunger from the guide pipe.
Further, one end of the guide pipe communicated with the outside is provided with a circular step, and the inner side surface of the first cylindrical body abuts against the circular step; the second cylindrical body is tightly attached to the inner wall of the guide pipe.
Further, the guide pipe comprises a first pipeline, a second pipeline and a third pipeline which are sequentially connected, the first pipeline is communicated with the inner tank body, the third pipeline is communicated with the annular step, and the second cylindrical body is inserted into the third pipeline; the axis of the first pipeline is parallel to the axis of the third pipeline, and the axis of the first pipeline is perpendicular to the axis of the second pipeline.
Preferably, the ratio of the length of the first pipeline to the length of the third pipeline is 1: 3-4.
Compared with the prior art, the utility model discloses simple structure adopts the guide pillar of glass steel material and the main part of ring flange cooperation as being connected, plugs up the stand pipe of guide pillar with the plunger that corundum porcelain made for liquefied natural gas can not reveal, avoids liquefied natural gas and metal contact, reduces the heat dispersion of this junction, can show improvement adiabatic effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a perspective view of the plunger in the embodiment of the present invention.
In the figure:
1-an inner tank body; 2-outer tank body; 3-a flange plate; 4-closing the plate; 5-guide pillar; 6-a guide tube; 7-a plunger; 71-a first cylinder; 72-a second cylindrical body; 73-grabbing position.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to fig. 1 and 2, the heat insulation connection structure for the inner tank body and the outer tank body of the liquid storage tank in the embodiment includes a flange 3 welded to the outer tank body 2, and a sealing plate 4 is detachably connected to the flange 3 (the sealing plate 4 is locked to the flange 3 by bolts). Guide pillars 5 made of glass fiber reinforced plastic are tightly attached to the inner hole of the flange 3, one end of each guide pillar 5 extends into the inner tank body 1, and the guide pillars 5 are connected with the inner tank body 1 in a sealing mode, so that the guide pillars 5 are fixed on the tank body. Be equipped with stand pipe 6 in the guide pillar 5, the one end and the inner tank body 1 of stand pipe 6 switch on, the other end and the outside of stand pipe 6 switch on, and the pouring into or the derivation of liquefied natural gas realize through this stand pipe 6. And a plunger 7 which is made of corundum porcelain and used for sealing and blocking the guide pipe 6 is inserted into one end of the guide pipe 6 communicated with the outside.
As can be seen in fig. 1, the plunger 7 is inserted into the guide tube 6 to a depth between the inner and outer shells. Wherein the plunger 7 deepens towards the inside of the guide pipe 6 as far as possible, reduces the space of the liquefied natural gas in the guide pipe 6, and improves the overall cold insulation effect.
As shown in fig. 2, the plunger 7 includes a first cylindrical body 71 and a second cylindrical body 72 which are coaxially arranged, the first cylindrical body 71 has an inner diameter larger than that of the second cylindrical body 72, and the first cylindrical body 71 has a height smaller than that of the second cylindrical body 72. The outer connecting surface of the first cylindrical body 71 is provided with a material grabbing position 73, and a field worker can take the plunger 7 out of the guide pipe 6 by clamping the material grabbing position 73 with a special tool. As can be seen from fig. 1, one end of the guide tube 6, which is in communication with the outside, has an annular step, and the inner side surface of the first cylindrical body 71 abuts against the annular step; the second columnar body 72 is closely attached to the inner wall of the guide pipe 6, so that the liquefied natural gas does not flow out from between the second columnar body and the guide pipe (a seal ring may be provided between the annular step and the first columnar body 71, thereby improving the sealing property between the plunger 7 and the guide pipe 6).
As can be seen from fig. 1, the guide pipe 6 includes a first pipe, a second pipe and a third pipe which are connected in sequence, the first pipe is communicated with the inner tank 1, the third pipe is communicated with the annular step, and the second pillar 72 is inserted into the third pipe; the axis of the first pipeline is parallel to the axis of the third pipeline, and the axis of the first pipeline is perpendicular to the axis of the second pipeline. In the embodiment, the ratio of the length of the first pipeline to the length of the third pipeline is 1: 3-4, and enough insertion space is reserved for the plunger.
The utility model discloses a guide pillar and the ring flange cooperation of glass steel material are as the main part of being connected, and the stand pipe of guide pillar is plugged up to the plunger of making with the corundum porcelain for liquefied natural gas can not reveal, avoids liquefied natural gas and metal contact, reduces the heat dispersion of this junction, can show improvement adiabatic effect.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. The utility model provides a thermal-insulated connection structure of jar body in liquid storage pot, its characterized in that: the device comprises a flange plate (3) welded and installed on an outer tank body, wherein a sealing plate (4) is arranged on the flange plate (3); a guide post (5) made of glass fiber reinforced plastic is tightly attached to the inner hole of the flange plate (3), one end of the guide post (5) extends into the inner tank body (1), and the guide post (5) is connected with the inner tank body (1) in a sealing manner; a guide pipe (6) is arranged in the guide post (5), one end of the guide pipe (6) is communicated with the inner tank body (1), and the other end of the guide pipe (6) is communicated with the outside; and a plunger (7) which is made of corundum porcelain and used for sealing and blocking the guide pipe (6) is inserted into one end of the guide pipe (6) communicated with the outside.
2. The thermally insulated connecting structure according to claim 1, wherein: the depth of the plunger (7) inserted into the guide pipe (6) is between the inner tank body (1) and the outer tank body (2).
3. The thermally insulated connecting structure according to claim 2, wherein: the plunger (7) comprises a first cylindrical body (71) and a second cylindrical body (72) which are coaxially arranged, the inner diameter of the first cylindrical body (71) is larger than that of the second cylindrical body (72), and the height of the first cylindrical body (71) is smaller than that of the second cylindrical body (72); the outer connecting surface of the first cylindrical body (71) is provided with a material grabbing position (73).
4. The thermally insulated connecting structure according to claim 3, wherein: one end of the guide pipe (6) communicated with the outside is provided with a circular step, and the inner side surface of the first cylindrical body (71) is abutted against the circular step; the second cylindrical body (72) is tightly attached to the inner wall of the guide tube (6).
5. The thermally insulated connecting structure according to claim 4, wherein: the guide pipe (6) comprises a first pipeline, a second pipeline and a third pipeline which are sequentially connected, the first pipeline is communicated with the inner tank body (1), the third pipeline is communicated with the annular step, and the second cylindrical body (72) is inserted into the third pipeline; the axis of the first pipeline is parallel to the axis of the third pipeline, and the axis of the first pipeline is perpendicular to the axis of the second pipeline.
6. The thermally insulated connecting structure according to claim 5, wherein: the ratio of the length of the first pipeline to the length of the third pipeline is 1: 3-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379697.9U CN211649801U (en) | 2019-12-26 | 2019-12-26 | Heat insulation connecting structure of inner tank body and outer tank body of liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922379697.9U CN211649801U (en) | 2019-12-26 | 2019-12-26 | Heat insulation connecting structure of inner tank body and outer tank body of liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649801U true CN211649801U (en) | 2020-10-09 |
Family
ID=72699420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922379697.9U Expired - Fee Related CN211649801U (en) | 2019-12-26 | 2019-12-26 | Heat insulation connecting structure of inner tank body and outer tank body of liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211649801U (en) |
-
2019
- 2019-12-26 CN CN201922379697.9U patent/CN211649801U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |