CN107339600B - Vertical low-temperature container - Google Patents
Vertical low-temperature container Download PDFInfo
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- CN107339600B CN107339600B CN201710550193.1A CN201710550193A CN107339600B CN 107339600 B CN107339600 B CN 107339600B CN 201710550193 A CN201710550193 A CN 201710550193A CN 107339600 B CN107339600 B CN 107339600B
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- steel pipe
- support
- shell
- outer side
- supporting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0391—Thermal insulations by vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a vertical low-temperature container, which mainly solves the technical problem that the heat insulation performance of a supporting structure of the vertical low-temperature container in the prior art is seriously reduced when the vertical low-temperature container stores a medium with the temperature below-196 ℃. The invention discloses a vertical low-temperature container, which comprises an inner container and a shell, wherein a seal head axial support is arranged between the outer side of the top of the inner container and the inner side of the top of the shell, and a technical scheme of a steel tube glass fiber reinforced plastic support is arranged between the outer side of the bottom of the inner container and the outer side of the bottom of the shell, so that the problem is well solved, and the vertical low-temperature container can be used for storing low-temperature media below-196 ℃.
Description
Technical Field
The invention relates to a vertical low-temperature container.
Background
In the field of cryogenic technology, cryogenic liquids refer to gases below-160 ℃ that exist in liquid form, such as liquid oxygen, liquid nitrogen, liquid argon, liquid hydrogen, liquid helium, liquid methane, LNG, and the like, which are widely used in industrial production, hospitals, and daily life. The low-temperature liquid storage container is generally of a double-layer structure consisting of the liner 10 and the shell 1, a vacuum interlayer is arranged between the liner 10 and the shell 1, the stability of the inner container and the shell 1 is ensured through a proper supporting structure, and the heat conduction generated by the inner container and the external environment is reduced to the greatest extent so as to ensure the integral heat insulation effect of the low-temperature container; by placing the adsorbent in the sandwich in the appropriate position, the vacuum life of the cryogenic vessel is ensured.
The lower part of the inner container of the existing vertical low-temperature liquid storage container is supported by a side wall steel pipe or a steel pipe glass fiber reinforced plastic, and the upper part of the inner container is supported by a circumferential transverse pull belt or a circumferential glass fiber reinforced plastic, so that the requirements of working stability and transportation working conditions are met; in addition, the low-temperature liquid storage container which adopts a hanging strip cantilever supporting structure or a glass fiber reinforced plastic and steel structural member combined supporting structure to connect the inner container and the shell 1 is also widely applied, and the purpose is to realize the integral structural stability and ideal low-temperature heat insulation performance of the container.
At present, in the field of low-temperature containers with design temperature not lower than-196 ℃, the high-vacuum multi-layer heat-insulating vertical low-temperature container is mainly supported by steel pipe glass fiber reinforced plastic, and the vacuum powder heat-insulating vertical low-temperature container is mainly supported by steel pipe.
As another example, chinese patent document CN101418906a discloses a vertical storage tank, which comprises an inner container 10, an outer container and supporting legs protruding on the surface of the outer container, an inner sealing head is arranged at the bottom of the inner container 10, an outer sealing head is arranged at the bottom of the outer container, a supporting device co-linear with the supporting legs is supported between the inner sealing head and the outer sealing head, and the supporting device comprises a first supporting member for supporting the inner sealing head, a second supporting member for supporting the outer sealing head, and a heat insulating member with certain strength, which is installed between the two supporting members. The support structure is characterized in that a steel pipe and glass fiber reinforced plastic combination is adopted between the inner container and the outer container seal head, the inner seal head connecting piece and the outer seal head connecting piece are steel pipe flanges (or pressing plates) for assembly welding, the glass fiber reinforced plastic plates are clamped between the two pressing plates and are fastened through bolts and glass fiber reinforced plastic gaskets, and therefore the purposes of increasing the support strength and improving the heat insulation performance are achieved. However, a vacuum interlayer is not formed between the inner support leg and the outer support leg, and a lifting space is reserved on the heat transfer path; there is room for improvement in the sliding members and the reserve gap members which are provided in consideration of lateral displacement caused by expansion with heat and contraction with cold of the inner container.
As another example, chinese patent document CN204477678U discloses a cryogenic storage tank, which comprises a body and a support arranged at the bottom of the body for supporting the body, wherein the body comprises an inner container, an inner container supporting device and a casing 1, a space is arranged between the inner container and the casing 1, a through hole is arranged at the bottom of the casing 1, the bottom end of the inner container supporting device passes through the through hole downwards, and the top end of the inner container supporting device is arranged in the space for supporting the inner container. The supporting structure is characterized in that the side wall steel pipe at the bottom of the inner container cylinder body is supported, the side wall steel pipe is directly contacted with the bottom plate of the shell 1 body support through the opening of the outer sealing head, so that the shell 1 support is communicated with the interlayer space to form a vacuum area together, thereby achieving the effects of increasing the heat transfer path and improving the vacuum heat insulation performance. However, the support member has a large thermal conductivity due to its support of the entire steel structure, and the low-temperature heat insulation performance is general, and it is described in the patent that it cannot be applied to a high-vacuum multi-layer heat insulation type low-temperature storage tank.
As another example, chinese patent document CN204372547U discloses a vertical low-temperature pressure tank and a connection support structure thereof, the vertical low-temperature pressure tank includes an inner tank body, an outer tank body and a connection support structure, the connection support structure includes an upper support structure, including a plurality of upper support units, evenly distributed along the outer circumferential surface of the inner tank body, respectively including: a first upper connection part connected with the inner tank body; the second upper connecting part is connected with the first connecting part and the outer tank body; the adjusting part is arranged on the second connecting part and is connected with the outer tank body; the lower bearing structure includes a plurality of lower supporting units that are evenly distributed along the outer circumference of the inner tank body and are staggered with the upper supporting unit, and the lower supporting units respectively include: a first lower connecting part connected with the inner tank body; a gap is formed between the second lower connecting part and the first lower connecting part, and the second lower connecting part is connected with the first lower connecting part and the outer tank body; and the supporting part is respectively connected with the first lower connecting part and the second lower connecting part. The supporting structure is an upper (annular) glass fiber reinforced plastic support, a lower clamping seat glass fiber reinforced plastic support, when a container is filled with a low-temperature medium, the lower clamping seat glass fiber reinforced plastic support is influenced by cold contraction of the inner container, a gap is formed between the upper glass fiber reinforced plastic support and the outer wall of the inner container, and the lower supporting component effectively slides through the inner glass fiber reinforced plastic, so that the stress concentration phenomenon is avoided. The structure is an upgrade structure for the connection of the metal tree root pull belt described in the patent, is influenced by the size of a lower support structure, has certain requirements on the width of a vacuum interlayer between an inner cylinder body and an outer cylinder body, has higher requirements on the whole process and manufacturing of equipment, has no glass fiber reinforced plastic positioning and fastening device on an upper support, is influenced by the inclination of the cylinder body, and can have a permanent contact phenomenon between the glass fiber reinforced plastic and the outer wall of the inner cylinder body in the actual use process.
Disclosure of Invention
The invention aims to solve the technical problem that the heat insulation performance of a supporting structure of a vertical low-temperature container in the prior art is seriously reduced when the vertical low-temperature container stores a medium with the temperature below-196 ℃, and provides a novel vertical low-temperature container, wherein the supporting structure of the vertical low-temperature container has the characteristic of good heat insulation performance.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a vertical low temperature container, includes inner bag and shell, the inner bag top outside with be equipped with the head axial support between the shell top inboard, the inner bag bottom outside with be equipped with the steel pipe glass steel support between the shell bottom outside.
In the above technical scheme, preferably, the axial support of the seal head comprises an upper assembly and a lower assembly, the lower assembly comprises a first base plate fixed on the outer side of the top of the liner, a first support steel pipe is connected to the first base plate, two fixing rings are arranged on the inner side of the first support steel pipe up and down, and annular glass fiber reinforced plastics is clamped between the two fixing rings; the upper assembly comprises an axial supporting piece, one end of the axial supporting piece penetrates into the fixing ring and the annular glass fiber reinforced plastic, a through hole is formed in the top of the shell, the other end of the axial supporting piece is fixed, a sealing plate for sealing the through hole is arranged on the top of the outer side of the shell, a supporting ring is fixed on the outer side of the axial supporting piece, and the supporting ring is connected with a backing plate II fixed on the top of the inner side of the shell through a supporting steel pipe II.
Preferably, the glass fiber reinforced plastic support comprises an inner supporting leg connected with the outer side of the bottom of the inner container, an outer supporting leg connected with the outer side of the bottom of the outer shell, and auxiliary supporting pieces connected with the inner supporting leg and the outer supporting leg respectively.
More preferably, the inner supporting leg comprises a first steel pipe connected with the outer side of the bottom of the inner container through a third backing plate, the other end of the first steel pipe is connected with a second steel pipe through a first flange and a second flange, glass fiber reinforced plastics is clamped between the first flange and the second flange, the other end of the second steel pipe is connected with a connecting plate, and the connecting plate is simultaneously connected with a bottom plate of the vacuum supporting leg through glass fiber reinforced plastics.
More preferably, the outer support leg comprises a steel pipe III which is positioned at the outer side of the steel pipe II, communicated with the inside of the shell and fixed with the bottom of the shell through a backing plate IV, and the other end of the steel pipe III is connected with the bottom plate of the vacuum support leg through the steel pipe IV.
More preferably, the auxiliary support comprises a first clamping ring welded on the outer side of the second steel pipe and a second clamping ring welded on the inner side of the third steel pipe.
More preferably, the first flange is provided with an insertion hole for placing the cold side adsorbent into the first steel pipe, the insertion hole is sealed by fixing the first flange with the first flange through a wire mesh and an annular flange, the side wall of the first steel pipe is provided with a plurality of vent holes, and the vent holes are sealed by the wire mesh.
More preferably, the bottom of the bottom plate of the vacuum supporting leg is connected with a steel pipe five, and the other end of the steel pipe five is connected with a bottom plate.
More preferably, a vacuum chamber is formed between the inner leg and the outer leg.
The invention is suitable for a vertical low-temperature liquid storage tank with larger volume, in particular to a liquid hydrogen storage tank;
the top support of the invention adopts a combined support structure of a large-diameter thick-wall steel pipe and a glass fiber reinforced plastic circular ring, thereby meeting the requirement of the transportation working condition of a large-tonnage storage tank and meeting the requirement of the stability of the working state of the large-volume vertical storage tank;
the invention is assisted with the middle annular support, avoids the problem of bending deformation possibly generated by the inner container under the transportation working condition of the ultra-long storage tank, and meets the design requirement of the storage tank with larger height-diameter ratio;
the top supporting structure of the inner container seal head fully considers the characteristics of low cold energy and small heat transfer of the gas phase space of the container, and ensures the vacuum heat insulation performance of the tank to the greatest extent on the premise of ensuring the running stability of the tank;
the lower support of the invention adopts the vacuum support leg with the support leg glass fiber reinforced plastic double combined structure, thereby lengthening the heat transfer path, reducing the comprehensive heat transfer coefficient to the maximum extent and reducing the static evaporation rate of the working medium to the maximum extent;
under the condition that the reasonable thickness of the heat insulation layer of the equipment main body is ensured, and the equipment is suitable for an inner tank and outer tank sleeving process, the structure has no limitation on the interlayer between the inner cylinder body and the outer cylinder body;
the invention utilizes the space of the bottom supporting leg to place the macromolecular adsorbent, scientifically utilizes the physical property of large macromolecular density, fully utilizes the interlayer space and liquid-phase cold energy, ensures the service life of vacuum design, and reserves enough space for coordinating the deflection deformation of the interlayer bottom connecting pipe cold tank.
Drawings
FIG. 1 is a front view of a vertical cryogenic container of the present invention;
FIG. 2 is a schematic illustration of a portion of a vertical cryogenic vessel according to the invention;
FIG. 3 is a top view of a vertical cryogenic vessel of the present invention;
FIG. 4 is a schematic illustration of a portion of a vertical cryogenic vessel according to the invention;
in the accompanying drawings:
1. the shell 2, the second backing plate 3 and the second supporting steel pipe
4. Support ring 5, axial support 6, and sealing plate
7. Fixing ring 8, support steel pipe one 9, backing plate one
10. Liner 11, annular glass fiber reinforced plastic 14 and backing plate three
15. Steel pipe 17, flange 18 and glass fibre reinforced plastic
19. Steel pipe two 21, backing plate four 22 and steel pipe three
23. Fourth steel pipe 24, second clamping ring 26, first clamping ring
27. Vacuum supporting leg bottom plate 28, steel pipes five 29 and bottom plate
30. Glass fiber reinforced plastic plate 31, connecting plate 36 and flange II
40. Hot side adsorbent 41, heat insulating interlayer 43, and ventilation holes
44. Cold side adsorbent 45, wire mesh 46, annular flange
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
[ example 1 ]:
as shown in fig. 1, the vertical low-temperature container comprises an inner container 10 and a shell 1, wherein a seal head axial support is arranged between the outer side of the top of the inner container 10 and the inner side of the top of the shell 1, a steel tube glass fiber reinforced plastic support is arranged between the outer side of the bottom of the inner container 10 and the outer side of the bottom of the shell 1, and the inner container 10 is provided with a heat insulation interlayer 41 made of heat insulation materials;
as shown in fig. 2, the axial support of the seal head comprises an upper assembly and a lower assembly, the lower assembly comprises a first base plate 9 fixed on the outer side of the top of the liner 10, a first support steel pipe 8 is connected to the first base plate 9, two fixing rings 7 are arranged up and down on the inner side of the first support steel pipe 8, and annular glass fiber reinforced plastics 11 is clamped between the two fixing rings 7; the upper assembly comprises an axial supporting piece 5, one end of the axial supporting piece penetrates through a fixing ring 7 and an annular glass fiber reinforced plastic 11, a through hole which is fixed with the other end of the axial supporting piece 5 is formed in the top of the shell 1, a sealing plate 6 which seals the through hole is arranged on the top of the outer side of the shell 1, a supporting ring 4 is fixed on the outer side of the axial supporting piece 5, and the supporting ring 4 is simultaneously connected with a backing plate II 2 which is fixed on the top of the inner side of the shell 1 through a supporting steel pipe II 3;
the first backing plate 9 is provided with a steel pipe five 12 penetrating into the axial support 5, and at least two layers of annular reinforcing plates 13 are arranged between the steel pipe five 12 and the axial support 5 up and down;
a cavity is arranged between the outer side of the second supporting steel pipe 3 and the second backing plate 2, and a hot side adsorbent 40 is placed in the cavity.
As shown in fig. 4, the glass fiber reinforced plastic support comprises an inner supporting leg connected with the outer side of the bottom of the liner 10, an outer supporting leg connected with the outer side of the bottom of the shell 1, and auxiliary supporting pieces respectively connected with the inner supporting leg and the outer supporting leg.
The inner supporting leg comprises a steel pipe I15 connected with the outer side of the bottom of the inner container 10 through a backing plate III 14, the other end of the steel pipe I15 is connected with a steel pipe II 19 through a flange I17 and a flange II 36, a glass fiber reinforced plastic 18 is clamped between the flange I17 and the flange II 36, the flange I17 and the flange II 36 are tightly connected through a glass fiber reinforced plastic gasket I16 serving as a gasket and a fastener I37, the fastener I37 comprises a fastening bolt I and a fastening nut I, fastening openings on the flange I17 and the flange II 36 are oblong holes, the other end of the steel pipe II 19 is connected with a connecting plate 31, the connecting plate 31 is simultaneously connected with a vacuum supporting leg bottom plate 27 through a glass fiber reinforced plastic plate 30, and the connecting plate 31, the glass fiber reinforced plastic plate 30 and the vacuum supporting leg bottom plate 27 are tightly connected through a glass fiber reinforced plastic gasket II 32 serving as a gasket and a fastener II 33, and the fastener II 33 comprises a fastening bolt II.
The outer landing leg comprises a steel pipe III 22 which is positioned on the outer side of a steel pipe II 19 and is communicated with the inside of the shell 1 and is fixed at the bottom of the shell 1 through a backing plate IV 21, the other end of the steel pipe III 22 is connected with a vacuum landing leg bottom plate 27 through a steel pipe IV 23, a butt joint or fillet weld connection structure can be designed between the steel pipe III 22 and the steel pipe IV 23, the bottom of the vacuum landing leg bottom plate 27 is connected with a steel pipe V28, a semicircular ventilation hole is formed in the bottom end of the steel pipe V28, the other end of the steel pipe V28 is connected with a bottom plate 29, foundation bolts which are in contact with the ground are arranged on the bottom plate 29, and the foundation bolts are provided with even number groups such as 4, 6 and 8.
The auxiliary support comprises a first clamping ring 26 welded on the outer side of the second steel pipe 19 and a second clamping ring 24 welded on the inner side of the third steel pipe 22, wherein the first clamping ring 26 and the second clamping ring 24 are respectively welded on the outer side of the lower end of the second steel pipe 19 and the inner side of the lower end of the third steel pipe 22, a gap is reserved between the first clamping ring 26 and the third steel pipe 22, a gap is reserved between the second clamping ring 24 and the second steel pipe 19, and the first clamping ring 26 and the second clamping ring 24 are arranged up and down but a gap is reserved between the first clamping ring and the second clamping ring 24.
The flange one 17 is provided with an insertion hole for placing the cold side adsorbent 44 into the steel pipe one 15, the insertion hole is sealed by fixing the flange one 17 through a wire mesh 45 and an annular flange 46, the side wall of the steel pipe one 15 is provided with a plurality of vent holes 43, and the vent holes 43 are sealed by the wire mesh.
In order to facilitate process assembly, the lower end of the second steel pipe 19 is spliced in a proper position in a segmented manner, the second steel pipe 19 is cut into two sections, the connecting plate 31, the glass fiber reinforced plastic plate 30 and the vacuum supporting leg bottom plate 27 are fixed, and then the second steel pipe 19 is welded.
The vacuum cavity is formed between the inner supporting leg and the outer supporting leg, and after each element in the vacuum space forms a supporting structure, if a closed space is formed, proper part through holes are selected to ensure the air flow communication of the interlayer space, so that the vacuum degree is convenient to improve, and the vacuum heat insulation requirement is met.
The inner support leg and the outer support leg are at least provided with 3 groups according to working conditions.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (4)
1. The utility model provides a vertical low temperature container, includes inner bag (10) and shell (1), its characterized in that: an end socket axial support is arranged between the outer side of the top of the inner container (10) and the inner side of the top of the outer shell (1), and a steel tube glass fiber reinforced plastic support is arranged between the outer side of the bottom of the inner container (10) and the outer side of the bottom of the outer shell (1);
the seal head axial support comprises an upper assembly and a lower assembly, the lower assembly comprises a first base plate (9) fixed on the outer side of the top of the liner (10), a first support steel pipe (8) is connected to the first base plate (9), two fixing rings (7) are arranged on the inner side of the first support steel pipe (8) up and down, and annular glass fiber reinforced plastics (11) are clamped between the two fixing rings (7); the upper assembly comprises an axial support (5) with one end penetrating into a fixing ring (7) and an annular glass fiber reinforced plastic (11), a through hole fixed with the other end of the axial support (5) is formed in the top of the shell (1), a sealing plate (6) for sealing the through hole is arranged on the top of the outer side of the shell (1), a supporting ring (4) is fixed on the outer side of the axial support (5), and the supporting ring (4) is connected with a backing plate II (2) fixed on the top of the inner side of the shell (1) through a supporting steel pipe II (3) at the same time;
the glass fiber reinforced plastic support comprises an inner supporting leg connected with the outer side of the bottom of the inner container (10), an outer supporting leg connected with the outer side of the bottom of the shell (1), and auxiliary supporting pieces respectively connected with the inner supporting leg and the outer supporting leg;
a vacuum cavity is formed between the inner supporting leg and the outer supporting leg;
the inner support leg comprises a first steel pipe (15) connected with the outer side of the bottom of the inner container (10) through a third backing plate (14), the other end of the first steel pipe (15) is connected with a second steel pipe (19) through a first flange (17) and a second flange (36), a glass fiber reinforced plastic (18) is clamped between the first flange (17) and the second flange (36), the other end of the second steel pipe (19) is connected with a connecting plate (31), and the connecting plate (31) is simultaneously connected with a vacuum support leg bottom plate (27) through a glass fiber reinforced plastic plate (30);
the outer support leg comprises a steel pipe III (22) which is positioned at the outer side of the steel pipe II (19) and is communicated with the inside of the shell (1) and is fixed with the bottom of the shell (1) through a backing plate IV (21), and the other end of the steel pipe III (22) is connected with the vacuum support leg bottom plate (27) through a steel pipe IV (23).
2. A vertical cryogenic container according to claim 1, characterized in that: the auxiliary support comprises a first clamping ring (26) welded on the outer side of the second steel pipe (19) and a second clamping ring (24) welded on the inner side of the third steel pipe (22).
3. A vertical cryogenic container according to claim 1, characterized in that: the flange one (17) is provided with an insertion hole capable of placing the cold side adsorbent (44) into the steel pipe one (15), the insertion hole is sealed by fixing the flange one (17) through a wire mesh (45) and an annular flange (46), the side wall of the steel pipe one (15) is provided with a plurality of vent holes (43), and the vent holes (43) are sealed by the wire mesh.
4. A vertical cryogenic container according to claim 1, characterized in that: the bottom of the vacuum supporting leg bottom plate (27) is connected with a steel pipe five (28), and the other end of the steel pipe five (28) is connected with a bottom plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550193.1A CN107339600B (en) | 2017-07-07 | 2017-07-07 | Vertical low-temperature container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550193.1A CN107339600B (en) | 2017-07-07 | 2017-07-07 | Vertical low-temperature container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107339600A CN107339600A (en) | 2017-11-10 |
| CN107339600B true CN107339600B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710550193.1A Active CN107339600B (en) | 2017-07-07 | 2017-07-07 | Vertical low-temperature container |
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| CN (1) | CN107339600B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444353B (en) * | 2019-06-25 | 2020-12-11 | 许继集团有限公司 | Switchgear and supporting insulator thereof |
| CN116105061B (en) * | 2021-11-09 | 2024-05-07 | 张家港中集圣达因低温装备有限公司 | Vacuum heat-insulating double-layer spherical tank and limiting device thereof |
| CN114777009A (en) * | 2022-04-11 | 2022-07-22 | 西安交通大学 | Supporting structure for movably connecting inner and outer pillars of vacuum double-layer liquid hydrogen spherical tank |
| CN115218119A (en) * | 2022-07-25 | 2022-10-21 | 重庆欣宇压力容器有限责任公司 | Vertical low-temperature liquid storage tank |
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| CN107339600A (en) | 2017-11-10 |
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