CN2867068Y - Low-temperature thermal insulation gas cylinder liner supporting stucture - Google Patents
Low-temperature thermal insulation gas cylinder liner supporting stucture Download PDFInfo
- Publication number
- CN2867068Y CN2867068Y CN 200520105771 CN200520105771U CN2867068Y CN 2867068 Y CN2867068 Y CN 2867068Y CN 200520105771 CN200520105771 CN 200520105771 CN 200520105771 U CN200520105771 U CN 200520105771U CN 2867068 Y CN2867068 Y CN 2867068Y
- Authority
- CN
- China
- Prior art keywords
- inner bag
- supporting structure
- gas cylinder
- support
- bag supporting
- 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
Links
- 238000009413 insulation Methods 0.000 title 1
- 238000007789 sealing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a supporting structure for the inner container of low-temperature adiabatic gas cylinder to fix the inner container inside the outer container of the gas cylinder. The inner container supporting structure consists of an extending pipe with one end connected with the inner closure head of the inner container and the other end extending into the inner container and sealed and a supporting piece with one end connected with the outer closure head of the outer container and the other end extending into the extending pipe to fix the inner closure head. The supporting structure for the inner container of the utility model adopts the interpolating structure which can enhance the supporting strength, effectively decrease thermal transmission, make the structure of the inner and outer containers compact and increase transport efficiency.
Description
Technical field
The utility model relates to a kind of supporting structure, particularly a kind of inner bag supporting structure that is used for cryogenic insulated cylinder.
Background technique
Cryogenic insulated cylinder is to be used for storing and the gas cylinder of cryogenic liquides such as conveying liquified natural gas (LNG), liquid oxygen, liquid nitrogen, liquid argon, particularly can be used for the supply of supply, residential quarter and the bottled fuel of industrial LNG of automobile LNG fuel, and the supply of industry such as electronics, scientific research, chemical industry, welding and the bottled fuel of industrial LNG.Generally, known cryogenic insulated cylinder is equipped with the double layer construction that comprises inner bag and outer courage, and vacuumizes between inner bag and the outer courage; Connect by supporting structure between the upper cover of inner bag and outer courage or between the front head and inner bag is fixed in the outer courage.Because this supporting structure will be born certain external force in transportation and using process, so require supporting structure to have enough intensity; In addition, because the interior loading of inner bag is cryogenic liquide,, also require supporting structure must possess the little performance of conducting heat for reducing the evaporation loss that heat transmission causes.
At present, mostly this supporting structure is to be connected in the support tube between outer courage and the inner bag.For example, Fig. 1 is the schematic representation of inner bag supporting structure of the cryogenic insulated cylinder of prior art, wherein interior end socket 1 and outside for example adopt between the end socket 2 support tube such as steel pipe 3 to support inner bag as supporting structure.For this steel pipe supporting structure,, then have to increase steel pipe length in order to reduce heat transfer.Yet the increase of steel pipe length must cause its reduction in strength, and the spacing between the inside and outside courage is increased.Therefore, have under the situation that the cryogenic insulated cylinder of this inner bag supporting structure transports in utilization, if will keep single bottle of transport liquid volume (being the inner bag volume) constant, then single bottle overall volume and weight are bigger, thereby have reduced conveying efficiency; If will keep outer lining long-pending constant, then the inner bag liquid capacity that can hold must reduce.In addition, the supporting structure that also has the two section type steel pipe.In addition, Chinese utility model patent CN02232501.8 has also disclosed a kind of vertical welded insulated gas cylinder, and its supporting structure comprises: the support block and the supporting sleeve of the piston-shaped that two big small cylinders are connected as a single entity.In order to reduce heat transfer, this supporting structure still needs equivalent length, thereby the spacing between the inside and outside courage is still bigger, is unfavorable for improving the conveying efficiency of liquid, and support strength is not high.
Therefore, need to improve the inner bag supporting structure of cryogenic insulated cylinder,, reduce heat transmission, make the structure of inside and outside courage compact more, thereby help improving conveying efficiency to improve support strength.
Summary of the invention
The purpose of this utility model provides a kind of inner bag supporting structure of cryogenic insulated cylinder, to improve support strength, reduces heat transmission, makes the structure of inside and outside courage compact more, thereby helps improving conveying efficiency.
For achieving the above object, the invention provides a kind of inner bag supporting structure of cryogenic insulated cylinder, be used for inner bag support fixation with gas cylinder in the outer courage of gas cylinder, this inner bag supporting structure comprises: extension tube, the one end is connected with the interior end socket of this inner bag, and its other end extends in this inner bag and sealing; And supporting element, the one end is connected with the outer end socket that is somebody's turn to do outer courage, and its other end inserts should interior end socket with support fixation in this extension tube.
Preferably, this supporting element is a support tube.
Preferably, the wall thickness at the two ends of this support tube is more than or equal to the wall thickness at the middle part of this support tube.
Preferably, this other end of this extension tube is provided with first pipe cap that is used to seal this extension tube.
Preferably, this other end of this support tube is provided with second pipe cap that is used to seal this support tube.
Preferably, this first pipe cap is connected with this second pipe cap.
Preferably, this support tube is the U-shaped pipe.
Preferably, this extension tube is the U-shaped pipe.
Preferably, this supporting element is a support stick.
The utility model has following beneficial effect than prior art: the inner bag supporting structure that the utility model proposes has the characteristics of interpolation type, and it can not only improve support strength, can also reduce heat transfer effectively; Can also make simultaneously the structure of inside and outside courage compact more, help improving conveying efficiency.
Description of drawings
Fig. 1 is the sectional view of inner bag supporting structure that the cryogenic insulated cylinder of prior art is shown; With
Fig. 2 is the sectional view that illustrates according to the inner bag supporting structure of the cryogenic insulated cylinder of the utility model preferred embodiment.
Embodiment
Major technique design of the present utility model is the supporting structure that adopts interpolation type, to improve support strength, reduces heat transfer simultaneously effectively.
Below with reference to the inner bag supporting structure of Fig. 2 detailed description according to the cryogenic insulated cylinder of the utility model preferred embodiment.This inner bag supporting structure is used for inner bag support fixation with gas cylinder in the outer courage of gas cylinder, and it comprises: extension tube 40, and the one end is connected with the interior end socket 10 of this inner bag, and its other end extends in this inner bag and sealing; Supporting element 30, the one end is connected with the outer end socket 20 that is somebody's turn to do outer courage, and its other end inserts should interior end socket 10 with support fixation in this extension tube 40.
According to inner bag supporting structure of the present utility model, this supporting element 30 can be support tube or support stick, and wherein preferred support tube is to alleviate the weight of gas cylinder.This extension tube can be one-body molded with end socket in this; Or be formed at end socket inside in this by welding.This extension tube and this supporting element are coaxial cylindrical.
The end of stretching into interior end socket 10 of extension tube 40 can be sealed by big pipe cap 41, and the end of stretching into extension tube 40 of support tube can be sealed by tubule cap 31, and can be fixedly connected by welding between big pipe cap 41 and the tubule cap 31.Have pipe cap to reinforce the other end of support stick or support tube in interior end socket, support strength is better.Because the end selects for use large and small pipe cap to seal, so have the compression resistance of better bearing inner liner pressure.
Perhaps, extension tube and support tube can be the U-shaped pipes, and the closed end butt of two U-shaped pipes.
For reducing heat transfer area, support tube can adopt and not wait thick structure, and promptly the two ends weld wall thickness of support tube is thicker, thereby guarantees weld strength, and middle part then wall thickness is thinner, to reduce heat transfer area.Certainly, support tube also can be to wait thick structure.That is, the wall thickness at the two ends of this support tube can be more than or equal to the wall thickness at the middle part of this support tube.
The heat transfer distances of inner bag supporting structure shown in Figure 2 is to extend to little pipe cap by support tube.Compare with traditional inner bag supporting structure shown in Figure 1, when satisfy to conduct heat requiring (promptly under the situation of the same length of supporting structure), it is compact more to adopt inner bag supporting structure of the present utility model can make between the inside and outside end socket, thereby under bold outside little certain situation, can make the maximization of inner bag volume, thereby help improving the conveying efficiency of fluid product.
Example 1
450 liters of LNG Liquefied natural gas (LNG) vehicle gas cylinder front end adopts this supporting structure, can reduce heat transfer, gains in strength, and can guarantee the premium properties and the working life of product.
Example 2
200 liters of vertical cryogenic insulated cylinder top neck tubes adopt this supporting structure, under the prerequisite of proof strength, can optimize the day relative evaporation index of gas cylinder greatly.Certainly, for level meter etc. is installed, need perforate on the little pipe cap.
In addition, those skilled in the art are understood that obviously extension tube and support tube in the inner bag supporting structure of the present utility model all can be cylindrical other shapes in addition; This inner bag supporting structure both can be used for the inside and outside end socket of horizontal cryogenic insulated cylinder front end, also can be used for the inside and outside end socket of vertical cryogenic insulated cylinder upper end.
In sum, than prior art, inner container supporting structure of the present utility model has following having The benefit technique effect: can not only improve intensity, reduce heat output, can also make external and internal compositions more compact, from And be conducive to improve the conevying efficiency of fluid product.
Claims (9)
1. the inner bag supporting structure of a cryogenic insulated cylinder is used for inner bag support fixation with gas cylinder in the outer courage of gas cylinder, it is characterized in that this inner bag supporting structure comprises:
Extension tube, the one end is connected with the interior end socket of this inner bag, and its other end extends in this inner bag and sealing; With
Supporting element, the one end is connected with the outer end socket that is somebody's turn to do outer courage, and its other end inserts should interior end socket with support fixation in this extension tube.
2. inner bag supporting structure according to claim 1 is characterized in that, this supporting element is a support tube.
3. inner bag supporting structure according to claim 2 is characterized in that the wall thickness at the two ends of this support tube is more than or equal to the wall thickness at the middle part of this support tube.
4. inner bag supporting structure according to claim 2 is characterized in that, this other end of this extension tube is provided with first pipe cap that is used to seal this extension tube.
5. inner bag supporting structure according to claim 4 is characterized in that, this other end of this support tube is provided with second pipe cap that is used to seal this support tube.
6. inner bag supporting structure according to claim 5 is characterized in that, this first pipe cap is connected with this second pipe cap.
7. inner bag supporting structure according to claim 2 is characterized in that, this support tube is the U-shaped pipe.
8. inner bag supporting structure according to claim 1 is characterized in that, this extension tube is the U-shaped pipe.
9. inner bag supporting structure according to claim 1 is characterized in that, this supporting element is a support stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105771 CN2867068Y (en) | 2005-11-09 | 2005-11-09 | Low-temperature thermal insulation gas cylinder liner supporting stucture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105771 CN2867068Y (en) | 2005-11-09 | 2005-11-09 | Low-temperature thermal insulation gas cylinder liner supporting stucture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2867068Y true CN2867068Y (en) | 2007-02-07 |
Family
ID=37702774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520105771 Expired - Fee Related CN2867068Y (en) | 2005-11-09 | 2005-11-09 | Low-temperature thermal insulation gas cylinder liner supporting stucture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2867068Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980028A (en) * | 2012-11-29 | 2013-03-20 | 常州蓝翼飞机装备制造有限公司 | Neck pipe reinforcing support device of vacuum heat insulation gas cylinder |
| CN103244821A (en) * | 2013-04-17 | 2013-08-14 | 新兴能源装备股份有限公司 | Support structure at slidable end of cryogenic insulation gas cylinder liner |
| CN103604042A (en) * | 2013-11-15 | 2014-02-26 | 张家港保税区长江新能源装备有限公司 | Internal container support structure at tail end of low-temperature heat-insulation gas cylinder |
-
2005
- 2005-11-09 CN CN 200520105771 patent/CN2867068Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980028A (en) * | 2012-11-29 | 2013-03-20 | 常州蓝翼飞机装备制造有限公司 | Neck pipe reinforcing support device of vacuum heat insulation gas cylinder |
| CN103244821A (en) * | 2013-04-17 | 2013-08-14 | 新兴能源装备股份有限公司 | Support structure at slidable end of cryogenic insulation gas cylinder liner |
| CN103604042A (en) * | 2013-11-15 | 2014-02-26 | 张家港保税区长江新能源装备有限公司 | Internal container support structure at tail end of low-temperature heat-insulation gas cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20141109 |
|
| EXPY | Termination of patent right or utility model |