CN219549585U - Multi-point sectional combined supporting structure for large-temperature area - Google Patents
Multi-point sectional combined supporting structure for large-temperature area Download PDFInfo
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- CN219549585U CN219549585U CN202320163707.9U CN202320163707U CN219549585U CN 219549585 U CN219549585 U CN 219549585U CN 202320163707 U CN202320163707 U CN 202320163707U CN 219549585 U CN219549585 U CN 219549585U
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- inner container
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Abstract
The utility model discloses a multipoint sectional combined supporting structure of a large-temperature area, which belongs to the technical field of ultralow-temperature pressure containers. The support structure comprises an inner container support structure and a cold screen support structure, and the inner container support structure is provided with radial support and axial support; the radial supports are arranged at two ends of the inner container, one end of the radial supports is connected with the sealing head of the inner container, and the other end of the radial supports is connected with the bearing ring of the corresponding cold screen; the axial support is arranged at the tail part of the inner container, one end of the axial support is connected with the inner container, and the other end of the axial support passes through the cold screen to be connected with the outer shell; the cold screen bearing structure has the circumference to support, and the circumference supports the both ends bearing circle department that sets up at the cold screen, and its one end links to each other with the bearing circle, and the other end links to each other with the shell. The support structure can greatly reduce heat transfer, and simultaneously solves the problem of structural flexibility at ultralow temperature.
Description
Technical Field
The utility model relates to the technical field of ultralow temperature pressure containers, in particular to a multipoint sectional combined support structure in a large temperature area.
Background
In the design of the cryogenic container, the support member is designed to bear the weight of the inner container and the stored material, inertial forces during transportation, and the like, and fully considers the heat conducting performance of the member. The support member is subjected to an initial force upon assembly of the container and to an inertial force during transport, the magnitude of the inertial force being determined in accordance with container design criteria. The material of the cryogenic vessel support member is required to meet not only the low thermal conductivity requirement but also good mechanical properties.
Disclosure of Invention
Based on the above, the utility model provides a large-temperature-area multi-point sectional combined support structure which is used for carrying out sectional support in 2 temperature intervals and comprises an inner container support structure and a cold screen support structure. The inner container supporting structure is provided with a radial support and an axial support, the radial support can bear loads in the transverse and vertical directions of the tank body under the working conditions of transportation, operation and the like, and the axial support mainly bears the axial load of the transportation working condition; the cold screen supporting structure is provided with a circumferential support and can bear the load of the cold screen and the inner container in the radial, axial and vertical directions under the working conditions of transportation, operation and the like; the supporting structure can reduce the temperature of the supporting hot end of the inner container from 293K to 77K, thereby greatly reducing heat transfer and simultaneously solving the problem of structural flexibility at ultralow temperature.
The technical scheme adopted by the utility model is as follows:
the utility model provides a big temperature zone multiple spot segmentation integrated configuration, sets up in the storage tank, the storage tank has set gradually shell, cold screen, interior container from outer to interior, the storage tank uses cold screen as boundary region and fulcrum, divide into two temperature intervals with it, bearing structure includes:
an inner container support structure having a radial support and an axial support; the radial supports are arranged at two ends of the inner container, one end of each radial support is connected with the sealing head of the inner container, and the other end of each radial support is connected with the bearing ring corresponding to the cold screen; the axial support is arranged at the tail part of the inner container, one end of the axial support is connected with the inner container, and the other end of the axial support passes through the cold screen to be connected with the outer shell;
the cold screen supporting structure is provided with a circumferential support, the circumferential support is arranged at the bearing rings at the two ends of the cold screen, one end of the cold screen is connected with the bearing rings, and the other end of the cold screen is connected with the shell.
In the large-temperature-area multi-point and segmented combined support structure, the radial supports adopt a suspension mode, the number of the radial supports is multiple, and the radial supports are uniformly distributed at two ends of the inner container.
In the large-temperature-area multi-point sectional combined supporting structure, the axial support is of a conical structure, one end with a smaller diameter is connected with the inner container, and the other end with a larger diameter is connected with the outer shell through the cold screen.
In the large-temperature-zone multi-point sectional combined support structure, the radial support is made of stainless steel material, and the axial support is made of glass fiber reinforced plastic material.
In the large-temperature-area multi-point sectional combined support structure, the cold screen support structure is made of glass fiber reinforced plastic materials.
In the large-temperature-area multi-point and segmented combined support structure, the number of the circumferential supports is multiple, and the multiple circumferential supports are uniformly distributed around the bearing ring.
In the large-temperature-area multi-point sectional combined support structure, the cold screen support structure is also provided with an adjusting support, and the adjusting support is provided with a fixing mechanism and a sliding mechanism; the fixing mechanism is positioned at the tail part of the cold screen, and the sliding mechanism is positioned at the front end of the cold screen; the tail part of the cold screen is relatively fixed on the fixing mechanism, and the front end of the cold screen can slide on the sliding mechanism so as to meet the requirement of deformation coordination.
In the large-temperature-zone multi-point segmented combined support structure, the sliding mechanism comprises:
the movable support is provided with a slotted hole;
and one end of the connecting support column is connected with the cold screen, and the other end of the connecting support column is arranged in the oblong hole and can slide back and forth in the oblong hole.
In the large-temperature-area multi-point and segmented combined support structure, the fixing mechanism comprises:
the fixed support is provided with a round hole;
and one end of the limiting support column is connected with the cold screen, and the other end of the limiting support column is arranged in the round hole and can limit the cold screen to move.
Compared with the prior art, the utility model has the beneficial effects that:
the large-temperature-area multi-point sectional combined supporting structure is divided into 2 temperature areas for sectional support, and comprises an inner container supporting structure and a cold screen supporting structure, wherein the inner container supporting structure is provided with radial supports and axial supports, the radial supports can bear loads in transverse and vertical directions of a tank body under working conditions such as transportation and operation, and the axial supports mainly bear axial loads of the transportation working conditions; the cold screen supporting structure can bear the load of the cold screen and the inner container in the radial, axial and vertical directions under the working conditions of transportation, operation and the like; the supporting structure reduces the temperature of the hot end from 293K to 77K, greatly reduces heat transfer, and simultaneously solves the problem of structural flexibility at ultralow temperature.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a multi-point segmented composite support structure in a large temperature zone;
FIG. 2 is a schematic partial structure of a tank;
fig. 3 is a schematic structural view of an axial support.
Reference numerals:
10. a storage tank; 11. a housing; 12. a cold screen; 13. an inner container; 14. a bearing ring;
20. an inner vessel support structure; 21. radial support; 22. an axial support;
30. a cold screen support structure; 31. and (5) circumferentially supporting.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1 to 3, the embodiment of the utility model provides a multi-point and sectional combined supporting structure in a large-temperature area, the supporting structure is arranged in a storage tank 10, and the storage tank 10 is sequentially provided with a shell 11, a cold screen 12 and an inner container 13 from outside to inside. In order to reduce the temperature of the hot end and reduce heat transfer, the storage tank 10 is divided into 2 temperature intervals by taking the cold screen 12 as a boundary region and a fulcrum, and the support structures support the storage tank in the 2 temperature intervals respectively. The support structure includes:
the inner container support structure 20 has a radial support 21 and an axial support 22. The radial supports 21 are arranged at two ends of the inner container 13, one end of each radial support 21 is connected with the sealing head of the inner container 13, the other end of each radial support is connected with the bearing ring 14 of the corresponding cold screen 12, and the radial supports 21 mainly bear loads of the tank body in the transverse and vertical directions under the working conditions of transportation, operation and the like. The axial support 22 is arranged at the tail of the inner container 13, one end of the axial support 22 is connected with the inner container 13, the other end of the axial support is connected with the outer shell 11 through the cold screen 12, and the axial support 22 mainly bears axial load under the transportation working condition. The inner container support structure 20 may meet the axial and radial deformation coordination of the inner container 13 under temperature loads through an initial installation angle.
The cold screen support structure 30 has a circumferential support 31, and the circumferential support 31 is disposed at the bearing rings 14 at two ends of the cold screen 12, and one end of the circumferential support 31 is connected to the bearing rings 14, and the other end is connected to the housing 11. The circumferential support 31 can bear radial, axial and vertical loads of the cold screen 12 and the inner container 13 under the working conditions of transportation, operation and the like.
The supporting structure of the utility model supports in sections in 2 temperature intervals, the inner container 13 is supported on the cold screen 12, the cold screen 12 is supported on the outer shell 11, the temperature of the hot end supported by the inner container 13 is reduced from 293K to 77K, the two temperature-region supporting materials are selected and designed independently from heat insulation, and the structure not only meets the requirement of low heat input, but also meets the requirement of supporting and bearing.
In one embodiment, the radial supports 21 are suspended in a plurality of radial supports 21, and the radial supports 21 are uniformly distributed at both ends of the inner container 13. The number of radial supports 21 is preferably 8 so that the inner container 13 is 9-point support, namely 8-point radial support 21 and 1-point axial support 22, which can bear the load of the tank body in the transverse and vertical directions under the working conditions of transportation, operation and the like.
In one embodiment, as shown in fig. 3, the axial support 22 has a tapered configuration with a smaller diameter end connected to the inner container 13 and a larger diameter end connected to the outer shell 11 through the cold screen 12. The tapered structure may reduce the amount of heat conduction.
In one embodiment, to reduce the amount of support heat conduction, the radial support 21 is made of stainless steel, the axial support 22 is made of glass fiber reinforced plastic, and the cold screen support structure 30 is made of glass fiber reinforced plastic. The technical indicator characterizing the thermal insulation performance of the liquid helium tank 10 is the loss of heat leakage, which is mainly from the radiant heat transfer on the surface of the tank and the supported heat transfer from the structural point of view. In order to reduce the supporting heat conduction quantity, glass fiber reinforced plastic with low heat conductivity is mostly adopted as a supporting material for a low-temperature storage tank in a temperature region above minus 196 ℃, and the glass fiber reinforced plastic material does not have performance data below minus 196 ℃ at present, so that the liquid helium storage tank cannot adopt the glass fiber reinforced plastic material as a supporting material in a temperature region below minus 269 ℃, and the liquid helium temperature region is supported by adopting metal materials, but the heat conduction quantity of the metal materials is larger, and the heat is increased when the metal materials are directly connected to a cold and hot section. The inner container supporting structure 20 is made of glass fiber reinforced plastic materials and stainless steel materials, and the cold screen supporting structure 30 is made of glass fiber reinforced plastic materials, so that the temperature of the supporting hot end of the inner container 13 can be reduced from 293K to 77K, and heat transfer is greatly reduced.
In one embodiment, as shown in fig. 1 and 2, the number of the circumferential supports 31 is plural, and the plurality of circumferential supports 31 are uniformly distributed around the bearing ring 14. The number of the circumferential supports 31 is preferably 8, and 4 supports are respectively arranged on the bearing rings at the two ends of the cold screen, so that the cold screen 12 and the inner container 13 can bear loads in the radial, axial and vertical directions under the working conditions of transportation, operation and the like.
In one embodiment, the cold screen support structure 30 also has an adjustment support (not shown). The adjusting support is provided with a fixing mechanism and a sliding mechanism, the fixing mechanism is positioned at the tail end of the cold screen 12, the sliding mechanism is positioned at the front end of the cold screen 12, the tail end of the cold screen 12 is relatively fixed to the fixing mechanism, and the front end of the cold screen 12 can slide in the sliding mechanism so as to meet the requirement of deformation coordination. Under the action of temperature load, the cold screen 12 has thermal expansion and cold contraction in the axial direction and the radial direction, and is provided with an adjusting support for meeting the deformation coordination of the cold screen 12, so that the fixation of a working state and a transportation state is realized, and the heat conduction of the support is effectively reduced.
Specifically, the glide mechanism includes a mobile mount and a connecting strut. The movable support is provided with a slotted hole, one end of the connecting support is connected with the cold screen 12, and the other end of the connecting support is arranged in the slotted hole and can slide back and forth in the slotted hole.
Specifically, the fixing mechanism comprises a fixing support and a limiting support. The fixed support is provided with a round hole, one end of the limiting support is connected with the cold screen 12, and the other end of the limiting support is arranged in the round hole and can limit the limiting support to move.
The large-temperature-area multi-point sectional combined supporting structure is divided into 2 temperature areas for sectional supporting, and comprises an inner container supporting structure 20 and a cold screen supporting structure 30, wherein the inner container supporting structure 20 is provided with a radial supporting structure 21 and an axial supporting structure 22, the radial supporting structure 21 can bear loads in the transverse direction and the vertical direction of a tank body under the working conditions of transportation, operation and the like, and the axial supporting structure 22 mainly bears the axial loads of the transportation working conditions; the cold screen support structure 30 can bear loads in radial, axial and vertical directions of the cold screen 12 and the inner container 13 under the working conditions of transportation, operation and the like; the supporting structure reduces the temperature of the hot end from 293K to 77K, greatly reduces heat transfer, and simultaneously solves the problem of structural flexibility at ultralow temperature.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a big temperature zone multiple spot segmentation integrated configuration, sets up in the storage tank, the storage tank has set gradually shell, cold screen, interior container from outer to interior, the storage tank uses cold screen as boundary region and fulcrum, divide into two temperature intervals with it, its characterized in that, bearing structure includes:
an inner container support structure having a radial support and an axial support; the radial supports are arranged at two ends of the inner container, one end of each radial support is connected with the sealing head of the inner container, and the other end of each radial support is connected with the bearing ring corresponding to the cold screen; the axial support is arranged at the tail part of the inner container, one end of the axial support is connected with the inner container, and the other end of the axial support passes through the cold screen to be connected with the outer shell;
the cold screen supporting structure is provided with a circumferential support, the circumferential support is arranged at the bearing rings at the two ends of the cold screen, one end of the cold screen is connected with the bearing rings, and the other end of the cold screen is connected with the shell.
2. The large-temperature-area multi-point sectional combined support structure according to claim 1, wherein the radial supports adopt a hanging mode, the number of the radial supports is a plurality of, and the plurality of the radial supports are uniformly distributed at two ends of the inner container.
3. The large-temperature-area multi-point segmented composite support structure according to claim 1, wherein the axial support is a conical structure, one end with a smaller diameter is connected with the inner container, and one end with a larger diameter is connected with the outer shell through the cold screen.
4. The large-temperature-zone multi-point segmented composite support structure of claim 1, wherein the radial support is a stainless steel material and the axial support is a glass fiber reinforced plastic material.
5. The large-temperature-area multi-point segmented composite support structure according to claim 1, wherein the cold screen support structure is a glass fiber reinforced plastic material.
6. The large-temperature-area multi-point segmented composite support structure according to claim 1, wherein the number of the circumferential supports is plural, and the plural circumferential supports are uniformly distributed around the load-bearing ring.
7. The large-temperature-zone multi-point segmented composite support structure of claim 1, wherein the cold screen support structure further has an adjustment support having a securing mechanism and a sliding mechanism; the fixing mechanism is positioned at the tail end of the cold screen, and the sliding mechanism is positioned at the front end of the cold screen; the tail end of the cold screen is relatively fixed on the fixing mechanism, and the front end of the cold screen can slide on the sliding mechanism so as to meet the requirement of deformation coordination.
8. The large-temperature-zone multi-point segmented composite support structure of claim 7, wherein the slip mechanism comprises:
the movable support is provided with a slotted hole;
and one end of the connecting support column is connected with the cold screen, and the other end of the connecting support column is arranged in the oblong hole and can slide back and forth in the oblong hole.
9. The large-temperature-zone multi-point segmented composite support structure of claim 7, wherein the securing mechanism comprises:
the fixed support is provided with a round hole;
and one end of the limiting support column is connected with the cold screen, and the other end of the limiting support column is arranged in the round hole and can limit the cold screen to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320163707.9U CN219549585U (en) | 2023-02-09 | 2023-02-09 | Multi-point sectional combined supporting structure for large-temperature area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320163707.9U CN219549585U (en) | 2023-02-09 | 2023-02-09 | Multi-point sectional combined supporting structure for large-temperature area |
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| Publication Number | Publication Date |
|---|---|
| CN219549585U true CN219549585U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320163707.9U Active CN219549585U (en) | 2023-02-09 | 2023-02-09 | Multi-point sectional combined supporting structure for large-temperature area |
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- 2023-02-09 CN CN202320163707.9U patent/CN219549585U/en active Active
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