CN215569693U - Connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply - Google Patents
Connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply Download PDFInfo
- Publication number
- CN215569693U CN215569693U CN202121343148.7U CN202121343148U CN215569693U CN 215569693 U CN215569693 U CN 215569693U CN 202121343148 U CN202121343148 U CN 202121343148U CN 215569693 U CN215569693 U CN 215569693U
- Authority
- CN
- China
- Prior art keywords
- container
- flange
- liquid oxygen
- connecting piece
- sealing area
- 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
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract description 4
- 239000001301 oxygen Substances 0.000 title abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 title abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 239000003292 glue Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application discloses connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply, this connection structure for connect cryogenic container inner bag and outer courage, include: the flange connecting seats are arranged on the inner container and the outer container, and the connecting pieces are arranged on the inner container and the outer container; the first end of the connecting piece is connected with a flange connecting seat flange on the outer liner, and the second end of the connecting piece is connected with a flange connecting seat flange on the inner liner; and a sealing assembly is arranged between the first end and the second end of the connecting piece and the corresponding flange connecting seat. This application has reached the joint strength between reinforceing connecting piece and inner bag, the outer courage, has improved sealing performance's purpose to realized improving the bearing capacity when using the dissimilar material as the connecting piece and reduced the technological effect of leaking the evaporation, and then solved the relatively poor problem of connection structure bearing capacity and the sealing capacity of connecting inner bag and outer courage among the correlation technique.
Description
Technical Field
The application relates to the technical field of liquid oxygen low-temperature storage, in particular to a connecting structure, a liquid oxygen storage container and a liquid oxygen supply device.
Background
Present liquid oxygen storage container mainly used holds dress liquid oxygen, because liquid oxygen temperature is low excessively, very easily volatilizees, adopts stainless steel inner bag storage liquid oxygen more, sheathes the outer courage of one deck again, forms an intermediate layer, keeps warm to the intermediate layer and carries out the adiabatic mode of high vacuum multilayer, and similar thermos cup is the vacuum layer heat insulation layer between inner bag and the outer courage.
The liquid oxygen storage container has the current situation that the inner container needs to bear pressure and the vacuum interlayer bears negative pressure, so that the inner surface and the outer surface of the liquid oxygen storage container are both subjected to atmospheric pressure, on the basis, stainless steel or aluminum alloy is used as a connecting part of the inner container and the outer container, although the stainless steel or aluminum alloy can resist pressure, the stainless steel or aluminum alloy cannot effectively insulate heat, and the material has high heat conductivity, so that the material with lower heat conductivity than the main material is the best choice for the connecting piece. However, the dissimilar materials and the main body material are often not connected due to different properties, and the existing liquid nitrogen storage container is connected by using low-temperature glue, but the glue cannot bear pressure because the glue does not have good structural support.
Aiming at the problem that the pressure bearing capacity and the sealing capacity of a connecting structure for connecting an inner container and an outer container in the related technology are poor, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply to the relatively poor problem of connection structure bearing capacity and the sealing capacity of connecting inner bag and outer courage among the solution correlation technique.
In order to achieve the above object, the present application provides a coupling structure for coupling an inner container and an outer container of a cryogenic container, comprising: the flange connecting seats are arranged on the inner container and the outer container, and the connecting pieces are arranged on the inner container and the outer container; the first end of the connecting piece is connected with a flange connecting seat flange on the outer liner, and the second end of the connecting piece is connected with a flange connecting seat flange on the inner liner; and a sealing assembly is arranged between the first end and the second end of the connecting piece and the corresponding flange connecting seat.
Further, the end part of the connecting piece is provided with an inserting part for being inserted into the flange connecting seat;
a first connecting surface, a second connecting surface and a third connecting surface which are in a step structure are arranged on the side of the inserting part ring;
and a first sealing area, a second sealing area and a third sealing area are respectively formed between the first connecting surface, the second connecting surface and the third connecting surface and the flange connecting seat.
Furthermore, the first sealing area, the second sealing area and the third sealing area are sequentially distributed along the direction towards the flange connecting seat; the sealing assembly comprises low-temperature glue arranged in the first sealing area, a low-temperature-resistant O-shaped ring arranged in the second sealing area and a low-temperature sealing element arranged in the third sealing area.
Furthermore, the first end and the second end of the connecting piece are integrally formed with flanges, and are connected with the corresponding flange connecting seats through the flanges.
Further, the connecting piece is the cavity setting, and the lower extreme and the inner bag intercommunication of connecting piece.
Furthermore, the connecting piece is made of glass fiber reinforced plastic.
According to another aspect of the application, a liquid oxygen storage container is provided, which comprises the connecting structure, the inner container and the outer container.
Furthermore, the first end of the connecting piece is fixed at the upper end of the outer liner, and the second end of the connecting piece is fixed at the upper end of the inner liner; the lower end of the outer liner is connected with the lower end of the inner liner through a supporting piece.
Furthermore, the lower end of the outer container and the lower end of the inner container are both provided with a supporting seat, and the upper end and the lower end of the supporting piece are respectively inserted into the corresponding supporting seats and are fixedly connected; the supporting piece is made of glass fiber reinforced plastics.
According to another aspect of the present application, there is provided a liquid oxygen supply apparatus comprising the above liquid oxygen storage container.
In the embodiment of the application, the method for connecting the inner container and the outer container of the low-temperature container comprises the following steps: the flange connecting seats are arranged on the inner container and the outer container, and the connecting pieces are arranged on the inner container and the outer container; the first end of the connecting piece is connected with a flange connecting seat flange on the outer liner, and the second end of the connecting piece is connected with a flange connecting seat flange on the inner liner; the first end and the second end of connecting piece all are provided with seal assembly with between the flange joint seat that corresponds, have reached the joint strength between reinforceing connecting piece and inner bag, outer courage, improve sealing performance's purpose to realized improving the bearing capacity when using dissimilar material as the connecting piece and reduced the technological effect of leaking the evaporation, and then solved the relatively poor problem of connection structure bearing capacity and the sealing performance of connecting inner bag and outer courage among the correlation technique.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic cross-sectional structural view according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is an overall cross-sectional structural schematic view according to an embodiment of the present application;
the sealing structure comprises an outer container 1, a flange connecting seat 2, a connecting piece 4, an inserting part 41, a supporting seat 6, an inner container 8, a supporting piece 9, a first connecting surface 10, a second connecting surface 11, a third connecting surface 13, a third sealing area 14, a second sealing area 15 and a first sealing area 16.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.
In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, the present embodiment provides a connection structure for connecting an inner container 8 and an outer container 1 of a cryogenic container, including: the flange connecting seats 2 are arranged on the inner container 8 and the outer container 1, and the connecting pieces 4 are arranged on the flange connecting seats; the first end of the connecting piece 4 is in flange connection with the flange connecting seat 2 on the outer liner 1, and the second end of the connecting piece 4 is in flange connection with the flange connecting seat 2 on the inner liner 8; and sealing components are arranged between the first end and the second end of the connecting piece 4 and the corresponding flange connecting seat 2.
In this embodiment, the inner container 8 and the outer container 1 both have a certain storage space therein, the inner container 8 is installed in the storage space in the outer container 1, and the storage space in the inner container 8 is used for storing liquid oxygen. The inner container 8 and the outer container 1 are spaced from each other to form a vacuum layer, and the vacuum layer can be used for realizing heat preservation of the inner container 8, so that volatilization of liquid oxygen caused by temperature change is reduced. The inner container 8 is fixed in the storage space of the outer container 1 through the connecting piece 4, namely the inner container 8 is fixedly connected with the outer container 1 through the connecting piece 4, so that the inner container 8 is prevented from generating displacement in the outer container 1 and the use is prevented from being influenced.
In the related art, the inner container 8 and the outer container 1 are made of stainless steel or aluminum alloy, and the connecting member 4 for connecting the inner container 8 and the outer container 1 is made of the same material, because the same material has the same property, the connection is more stable. However, if the connecting member 4 is made of stainless steel or aluminum alloy, since the thermal conductivity of this type of material itself is large, effective heat insulation cannot be achieved, which is disadvantageous for the storage of liquid oxygen. Therefore, it is necessary to use a different material having a lower thermal conductivity, and the different material has different properties from those of the inner container 8 and the outer container 1, which affects the connection strength, i.e., does not achieve the pressure-bearing capacity.
Therefore, the connection structure between the connecting piece 4 and the inner container 8 and the outer container 1 is improved in the embodiment, specifically, the flange connecting seat 2 is arranged on the inner container 8 and the outer container 1, and the flange connecting seat 2 can be integrally formed with the inner container 8 and the outer container 1, so that connecting points are reduced, and the leakage rate is reduced. The first end and the second end of the connecting piece 4 are respectively connected with the flange connecting seats 2 on the outer liner 1 and the inner liner 8 in a flange mode, and the connection sealing is realized through a sealing assembly, wherein the connecting piece 4 can be made of materials with low heat conductivity, such as glass fiber reinforced plastics. Realize connecting piece 4 and inner bag 8, outer courage 1's connection through flange joint seat 2, for adopting low temperature to glue direct bonding, its joint strength obtains effectively promoting, even adopt with inner bag 8, outer courage 1 material different in nature can also have the joint strength who meets the requirements.
When connecting piece 4 is the glass steel material, the heat conductivity of reduction material itself that can be very big plays the effect that reduces the evaporation, also can have stable pressure-bearing performance under the effect of flange joint seat 2 simultaneously.
As shown in fig. 1 to 3, the end of the connecting member 4 has an insertion portion 41 for insertion into the flange joint receptacle 2; the insertion part 41 is provided with a first connecting surface 10, a second connecting surface 11 and a third connecting surface 13 which are in a step structure at the ring side; the first connection surface 10, the second connection surface 11 and the third connection surface 13 form a first sealing area 16, a second sealing area 15 and a third sealing area 14, respectively, with the flange connection seat 2.
Specifically, it should be noted that the connecting piece 4 is inserted into the flange connecting seat 2 through the insertion portion 41 at the end portion to further enhance the connecting strength of the two; the first connecting surface 10, the second connecting surface 11 and the third connecting surface 13, which are opened at the ring side of the insertion portion 41, can increase the connecting area between the insertion portion 41 and the flange coupling socket 2, and at the same time, the first sealing region 16, the second sealing region 15 and the third sealing region 14 can be formed, and different sealing materials can be arranged in each sealing region, thereby improving the sealing performance between the connecting member 4 and the flange coupling socket 2 and preventing leakage.
As shown in fig. 1 to 3, the first sealing area 16, the second sealing area 15 and the third sealing area 14 are distributed in sequence in a direction toward the flange joint base 2; the seal assembly includes a low temperature glue disposed in the first sealing region 16, a low temperature resistant O-ring disposed in the second sealing region 15, and a low temperature seal disposed in the third sealing region 14.
Specifically, it should be noted that, also can play sealed effect when realizing connecting piece 4 and flange connecting seat 2 and connecting through low temperature glue, and low temperature resistant O type circle and low temperature sealing member then can play further sealed technological effect of strengthening, and low temperature resistant O type circle and low temperature sealing member all can adopt low temperature resistant rubber circle.
As shown in fig. 1 to 3, the first end and the second end of the connecting member 4 are integrally formed with flanges, and are connected to the corresponding flange connecting seats 2 through the flanges.
As shown in fig. 1 to 3, the connecting member 4 is hollow, the lower end of the connecting member 4 is communicated with the inner container 8, and the hollow connecting member 4 is also used for flowing out liquid oxygen in the inner container 8.
As shown in fig. 1 to 3, according to another aspect of the present application, there is provided a liquid oxygen storage container, comprising the above-mentioned connecting structure, an inner container 8 and an outer container 1, wherein a first end of a connecting member 4 is fixed on an upper end of the outer container 1, and a second end is fixed on an upper end of the inner container 8; the lower end of the outer container 1 is connected with the lower end of the inner container 8 through a supporting piece 9.
Specifically, it should be noted that the liquid oxygen storage container realizes the connection and support of the inner container 8 and the two ends of the outer container 1 through the connecting member 4 and the supporting member 9, so as to improve the stability of the whole structure, and the connection of the supporting member 9 and the inner container 8 does not involve the discharge of liquid oxygen, so that the sealing performance can be considered, and the heat conduction performance of the supporting member 9 is considered heavily, so that the supporting member 9 in this embodiment is still made of glass fiber reinforced plastics with low heat conductivity.
For further strengthening 4 intensity of connecting piece of support piece 9 and inner bag 8, outer courage 1, all be provided with supporting seat 6 at outer courage 1 lower extreme and inner bag 8 lower extreme, support piece 9 upper end and lower extreme insert respectively and establish in corresponding supporting seat 6 and fixed connection, and concrete accessible low temperature glues the mode of bonding and fixes.
According to another aspect of the present application, there is provided a liquid oxygen supply apparatus comprising the above liquid oxygen storage container.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A connection structure for connecting an inner container and an outer container of a low-temperature container, comprising: the flange connecting seats are arranged on the inner container and the outer container, and the connecting pieces are arranged on the inner container and the outer container; wherein,
the first end of the connecting piece is connected with a flange connecting seat flange on the outer liner, and the second end of the connecting piece is connected with a flange connecting seat flange on the inner liner;
and a sealing assembly is arranged between the first end and the second end of the connecting piece and the corresponding flange connecting seat.
2. The connecting structure according to claim 1, wherein the connector end has an insertion portion for insertion into a flange joint socket;
a first connecting surface, a second connecting surface and a third connecting surface which are in a step structure are arranged on the side of the inserting part ring;
and a first sealing area, a second sealing area and a third sealing area are respectively formed between the first connecting surface, the second connecting surface and the third connecting surface and the flange connecting seat.
3. The connection according to claim 2, wherein the first sealing area, the second sealing area and the third sealing area are distributed in sequence in a direction towards the flange joint seat;
the sealing assembly comprises low-temperature glue arranged in the first sealing area, a low-temperature-resistant O-shaped ring arranged in the second sealing area and a low-temperature sealing element arranged in the third sealing area.
4. A coupling structure according to claim 3, wherein the first and second ends of the coupling member are integrally formed with flanges and coupled to the corresponding flange coupling seats via the flanges.
5. The connecting structure of claim 4, wherein the connecting piece is hollow, and the lower end of the connecting piece is communicated with the inner container.
6. The connection structure according to claim 2, wherein the connecting member is made of glass fiber reinforced plastic.
7. A liquid oxygen storage container comprising the connecting structure of any one of claims 1 to 6, an inner container and an outer container.
8. The liquid oxygen storage container of claim 7, wherein the first end of the connecting piece is fixed at the upper end of the outer container, and the second end of the connecting piece is fixed at the upper end of the inner container;
the lower end of the outer liner is connected with the lower end of the inner liner through a supporting piece.
9. The liquid oxygen storage container according to claim 8, wherein the lower end of the outer container and the lower end of the inner container are provided with supporting seats, and the upper end and the lower end of the supporting member are respectively inserted into the corresponding supporting seats and fixedly connected;
the supporting piece is made of glass fiber reinforced plastics.
10. A liquid oxygen supply apparatus comprising a liquid oxygen storage container as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343148.7U CN215569693U (en) | 2021-06-16 | 2021-06-16 | Connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343148.7U CN215569693U (en) | 2021-06-16 | 2021-06-16 | Connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215569693U true CN215569693U (en) | 2022-01-18 |
Family
ID=79817824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121343148.7U Active CN215569693U (en) | 2021-06-16 | 2021-06-16 | Connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215569693U (en) |
-
2021
- 2021-06-16 CN CN202121343148.7U patent/CN215569693U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1954468B (en) | End structure of superconducting cable | |
| CN215569693U (en) | Connection structure, liquid oxygen storage container and liquid oxygen apparatus of oxygen supply | |
| CN107339600A (en) | A kind of vertical low temperature container | |
| CN212455980U (en) | Corrugated pipe assembly | |
| CN112179022B (en) | Refrigerator with a door | |
| CN110056762A (en) | A kind of cryogenic liquid tank | |
| CN215112002U (en) | Liquid oxygen storage container convenient to fill dress and liquid oxygen apparatus of oxygen supply | |
| CN216667246U (en) | Vehicle-mounted liquid hydrogen bottle | |
| US8047395B2 (en) | Cryogenic fluid tank and use in a motor vehicle | |
| CN210771016U (en) | Novel outdoor water pipe heat preservation sleeve pipe that prevents frostbite | |
| CN216408556U (en) | Portable liquid oxygen tank | |
| CN216408552U (en) | Liquid oxygen storage container and liquid oxygen supply device | |
| CN215112004U (en) | Vacuum layer structure for heat insulation container and liquid oxygen storage container | |
| CN112984282B (en) | Thermal insulation pipeline | |
| CN212313793U (en) | Heat insulation penetration piece and ship | |
| CN208416851U (en) | A kind of insulation pump shell structure and low temperature immersed pump and low-temperature (low temperature) vessel for low temperature immersed pump | |
| CN110006207A (en) | Ducting assembly in a kind of case suitable for more multi-temperature zone refrigerators | |
| CN207438128U (en) | A kind of vertical low temperature container | |
| CN206890079U (en) | A kind of low-temperature (low temperature) vessel interlayer fairlead | |
| CN212457567U (en) | Low-temperature storage device | |
| CN217929293U (en) | Integrated freezer liner evaporator | |
| CN108412735A (en) | A kind of adiabatic pump shell structure for low temperature immersed pump | |
| CN214222289U (en) | Liquefied natural gas pipeline | |
| CN220431000U (en) | Effectual foam case keeps warm | |
| CN215243437U (en) | High-performance flame-retardant super-thick foam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |