CN109210366A - A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container - Google Patents
A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container Download PDFInfo
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- CN109210366A CN109210366A CN201811333444.1A CN201811333444A CN109210366A CN 109210366 A CN109210366 A CN 109210366A CN 201811333444 A CN201811333444 A CN 201811333444A CN 109210366 A CN109210366 A CN 109210366A
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- temperature container
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 239000011229 interlayer Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Classifications
-
- 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
-
- 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
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- 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
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0629—Two walls
-
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/013—Single phase liquid
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of inner sidewall structure of vertical low temperature container and vertical low temperature containers, wherein the inner sidewall structure of vertical low temperature container includes: metal corrugated pipe expansion joint；The first end of the metal corrugated pipe expansion joint is fixedly connected with the indoor temperature end of the inner sidewall of vertical low temperature container；The second end of the metal corrugated pipe expansion joint is fixedly connected with the low-temperature end of the inner sidewall of the vertical low temperature container.In the present invention, reduce vertical low temperature container neck tube sidewall thickness by metal corrugated pipe expansion joint, while increasing conducting path, so that the leakage heat along neck tube side wall is reduced.
Description
Technical field
The present invention relates to the inner sidewall structures of low-temperature (low temperature) vessel technical field more particularly to a kind of vertical low temperature container and vertical
Low-temperature (low temperature) vessel.
Background technique
Low-temperature (low temperature) vessel is a kind of for holding the device of cryogenic media (such as liquid nitrogen, liquid oxygen, liquid helium), French scientist Du
It watt was put forward for the first time a kind of container of double-wall structure in 1892, realizes preferable heat insulation effect.Current low-temperature (low temperature) vessel base
The double-wall structure is all made of on this, therefore low-temperature (low temperature) vessel is generally referred to as " Dewar ".Leakage heat is low-temperature (low temperature) vessel in design
One of most important technical indicator, its object is to reduce the cryogenic media in low-temperature (low temperature) vessel as far as possible to wave because absorbing heat
Hair.
The leakage heat of low-temperature (low temperature) vessel is mainly by simplified (multilayer thermal insulation, including cylinder and end socket), neck tube and supporting element
With pipeline this 3 part of heat transfer composition (the leakage heat analysis of the low-temperature (low temperature) vessel such as Wang Guiren and experimental study petrochemical equipment,
2007,36 (5): 20-22).Not according to low-temperature (low temperature) vessel size and used insulation type, structure type and supporting way
Together, the shared ratio of each section heat transfer and its influence generated to cryogenic liquid storage and transportation are also different, or even can generate very big difference
Not.Wherein, mainly there are 3 by the heat transfer path that neck tube enters cryogenic liquid: 1, as temperature difference between the two ends caused by tube wall heat transfer,
Pass through the heat exchange between the heat exchange and inner surface of tube and the steam of evolution of the heat insulation layer and surrounding medium of outer tube；2, it escapes
The axial heat transfer of gas and free convection heat transfer out；3, the room temperature radiation in neck tube aperture.
How to reduce along the leakage heat of neck tube side wall be those skilled in the art's urgent need to resolve the technical issues of.
Summary of the invention
The present invention provides a kind of inner sidewall structure of vertical low temperature container and vertical low temperature containers, and how solve reduces
Along the technical problem of the leakage heat of neck tube side wall.
The present invention provides a kind of inner sidewall structures of vertical low temperature container, comprising:
Metal corrugated pipe expansion joint；
The first end of the metal corrugated pipe expansion joint is fixedly connected with the indoor temperature end of the inner sidewall of vertical low temperature container；
The low-temperature end of the inner sidewall of the second end of the metal corrugated pipe expansion joint and the vertical low temperature container is fixed to be connected
It connects.
Optionally, further includes: pull rod, first end plate and the second end plate；
The first end plate is fixedly connected with the room temperature side of the inner sidewall of the vertical low temperature container；
Second end plate is fixedly connected with the low temperature side of the inner sidewall of the vertical low temperature container；
The first end plate and second end plate are set to the inner sidewall of the vertical low temperature container and the folder of lateral wall
In layer；
The first end plate is corresponding with second end plate to open up through-hole；
The pull rod is fixed with the first end plate and second end plate respectively by the through-hole.
Optionally, the metal corrugated pipe expansion joint includes the first straight tube, at least one bellows and the second straight tube；
The first end of first straight tube is fixedly connected with the indoor temperature end of the inner sidewall of the vertical low temperature container；
The second end of first straight tube is fixedly connected with the first end of the bellows；
The second end of the bellows is fixedly connected with the first end of second straight tube；
The second end of second straight tube is fixedly connected with the low-temperature end of the inner sidewall of the vertical low temperature container.
Optionally, the pull rod is parallel with the inner sidewall axis direction of the vertical low temperature container.
Optionally, the interconnecting piece of the first end plate and second end plate and the inner sidewall of the vertical low temperature container
Shape matching.
Optionally, the both ends of the pull rod have screw thread.
The present invention provides a kind of vertical low temperature container, the vertical low temperature container is using described in any one of as above
The inner sidewall structure of vertical low temperature container.
As can be seen from the above technical solutions, the invention has the following advantages that
The present invention provides a kind of inner sidewall structures of vertical low temperature container, comprising: metal corrugated pipe expansion joint；The gold
The first end for belonging to bellows expansion joint is fixedly connected with the indoor temperature end of the inner sidewall of vertical low temperature container；The metal bellows is swollen
The second end of swollen section is fixedly connected with the low-temperature end of the inner sidewall of the vertical low temperature container.In the present invention, pass through wavy metal
Pipe expansion joint reduces vertical low temperature container neck tube sidewall thickness, while increasing conducting path, so that along the leakage heat of neck tube side wall
It is reduced.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the inner sidewall structure of vertical low temperature container provided by the invention；
Fig. 2 is a kind of structural schematic diagram of vertical low temperature container provided by the invention；
Wherein, appended drawing reference are as follows:
1, the inner sidewall of vertical low temperature container；1A, vertical low temperature container inner sidewall indoor temperature end；1B, vertical low temperature hold
The low-temperature end of the inner sidewall of device；2, metal corrugated pipe expansion joint；2A, the first straight tube；2B, bellows；2C, the second straight tube；3, it draws
Bar；The first end of 3A, pull rod；3B, bar body；The second end of 3C, pull rod；4, end plate；4A, first end plate；4B, second end
Plate.
Specific embodiment
The embodiment of the invention provides a kind of inner sidewall structure of vertical low temperature container and vertical low temperature container, solve as
What reduces the technical problem of the leakage heat along neck tube side wall.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, the present invention provides a kind of one embodiment of the inner sidewall structure of vertical low temperature container, comprising:
Metal corrugated pipe expansion joint 2；
The indoor temperature end of the inner sidewall 1 of the first end 2A and vertical low temperature container of metal corrugated pipe expansion joint 2 is fixedly connected；
The low-temperature end of the inner sidewall 1 of the second end 2B and vertical low temperature container of metal corrugated pipe expansion joint 2 is fixedly connected；
It should be noted that metal corrugated pipe expansion joint is a kind of widely used structure of industry spot, by " GB/T
12777 metal corrugated pipe expansion joint general technical specifications " it is used for and respective specified has been done in manufacture.Metal corrugated pipe expansion joint
2 are used to absorb pipeline caused by due to expanding with heat and contract with cold etc. and (or) equipment size variation.Vertical low temperature container of the invention
Inner sidewall structure mainly for liquid nitrogen and the metal low temp container of following warm area (- 196 DEG C or less), need using low temperature resistant material
The metal corrugated pipe expansion joint 2 of matter (such as 304,316L trade mark stainless steel).Metal corrugated pipe expansion joint 2 is solid by welding manner
It is scheduled on the inner sidewall 1 of vertical low temperature container, needs to detect vacuum sealing situation after the completion of welding, which is vacuum tank manufacture
Standard process flows.
In one embodiment, vertical low temperature container is 304 stainless steel materials, straight in the inner sidewall 1 of vertical low temperature container
Diameter D0=600mm, wall thickness h=6mm, the inner sidewall 1 of vertical low temperature container conduct heat span access location length for l=100mm.It is corresponding
, selected 2 interior diameter of metal corrugated pipe expansion joint is D0=600mm, total length l=100mm, and it is golden after pressure is checked
Belong to bellows expansion joint 2 with a thickness of 1.0mm.
In the embodiment of the present invention, reduce vertical low temperature container neck tube sidewall thickness by metal corrugated pipe expansion joint 2, together
Shi Zengjia conducting path, so that the leakage heat along neck tube side wall is reduced.
Further, referring to Fig. 2, further include: pull rod 3, first end plate 4A and the second end plate 4B；
First end plate 4A is fixedly connected with the room temperature side of the inner sidewall 1 of vertical low temperature container；
Second end plate 4B is fixedly connected with the low temperature side of the inner sidewall 1 of vertical low temperature container；
First end plate 4A and the second end plate 4B are set in the inner sidewall 1 of vertical low temperature container and the interlayer of lateral wall；
First end plate 4A is corresponding with the second end plate 4B to open up through-hole；
Pull rod 3 is fixed with first end plate 4A and the second end plate 4B respectively by through-hole；
It should be noted that pull rod 3 is used to carry the weight of vertical low temperature container inner liner.Conventional upright low-temperature (low temperature) vessel it is straight
Cartridge type neck tube inner sidewall is thicker, intensity with higher, because side wall, the inner cryogenic of low-temperature (low temperature) vessel liner can be carried directly
The weight such as medium.But the inner sidewall structure of the vertical low temperature container of the embodiment of the present invention is due to the inside of vertical low temperature container
1 position of wall is the metal corrugated pipe expansion joint 2 of thin-walled, and tensile strength is lower, can not independent bearing vertical low temperature container inner liner
Weight, it is therefore necessary to outside it increase be used for load pull rod 3.
The first end 3A and second end 3C of pull rod 3 pass through the room that end plate 4 is fixed on the inner sidewall 1 of vertical low temperature container respectively
Warm end 1A and low-temperature end 1B passes through between the first end 3A and second end 3C of pull rod 3 for convenience of installing generally using being screwed
Bar body 3B connection.
It is assumed that selected 2 total length of metal corrugated pipe expansion joint is l, then 3 length of pull rod need to be greater than the length, specific length
Visual 4 spacing of welded end plate and fixture nut size determine that general total length is not less than l+50mm, otherwise install more difficult；
Pull rod 3 quantity N and diameter d need to carry out check determination according to its load situation, and pulling force check is the basic behaviour in Machine Design
Make process.3 both ends of pull rod are machined with standard thread, to facilitate the both ends by pull rod 3 to be fixed on end plate 4.
To reduce the leakage heat along pull rod 3, glass reinforced plastic (such as G10 glass fibre reinforcing ring with lower thermal conductivity can choose
Oxygen resin bar etc.), titanium alloy etc materials make pull rod 3.
End plate 4 is used to for pull rod 3 being fixed on the inner sidewall 1 of vertical low temperature container, is generally made of stainless steel material,
It is separately fixed at the indoor temperature end 1A and low-temperature end 1B of the inner sidewall of vertical low temperature container in pairs by welding manner.
The quantity of end plate 4 matches with 3 quantity of pull rod, is 2N.
In one embodiment, pull rod 3 is processed using G10 glass reinforced plastic, total length 150mm, the diameter after pulling force is checked
It is 4 for φ 16mm, quantity N.The first end 3A and second end 3C of pull rod 3 are machined with the screw thread of M16 respectively, and reach is respectively
40mm.End plate 4 is made of 304 stainless steels, and through-hole diameter is φ 17mm, and quantity 2N is 8.It is checked through pulling force, the thickness of end plate 4
For 8mm, width 30mm.
Further, metal corrugated pipe expansion joint 2 includes the first straight tube 2A, at least one bellows 2B and the second straight tube
2C；
The indoor temperature end of the inner sidewall 1 of the first end and vertical low temperature container of first straight tube 2A is fixedly connected；
The second end of first straight tube 2A is fixedly connected with the first end of bellows 2B；
The second end of bellows 2B is fixedly connected with the first end of the second straight tube 2C；
The low-temperature end of the inner sidewall 1 of the second end and vertical low temperature container of second straight tube 2C is fixedly connected；
It should be noted that metal corrugated pipe expansion joint 2 is generally by the first straight tube 2A, the second straight tube 2C and centre of two sides
Bellows 2B composition, so that the straight end pipe in two sides can be attached with other devices.Metal corrugated pipe expansion joint 2 when welding
The indoor temperature end 1A, the second straight tube 2C of the first straight tube 2A inner sidewall for being welded on vertical low temperature container be welded on vertical low temperature container
Inner sidewall low-temperature end 1B.
Further, pull rod 3 is parallel with 1 axis direction of inner sidewall of vertical low temperature container.
It should be noted that end plate 4 should keep vertical with 1 axis of inner sidewall of vertical low temperature container when welding, and first
End plate 4A and the second end plate 4B is respectively welded at the indoor temperature end 1A and low-temperature end 1B of the inner sidewall of vertical low temperature container in pairs, and first
The through-hole of end plate 4A and the second end plate 4B need to keep the 1 axis parallel direction face of inner sidewall of vertical low temperature container, so as to pull rod 3
It can be installed along the 1 axis parallel direction of inner sidewall on vertical low temperature container edge.
Further, the shape of the inner sidewall 1 of the interconnecting piece of first end plate 4A and the second end plate 4B and vertical low temperature container
Matching；
It should be noted that end plate 4 is processed into the shape that can cooperate with the inner sidewall 1 of vertical low temperature container, outside can be with
For rectangle or other arbitrary shapes, and it is intermediate be provided with one for pull rod 3 through fixed through-hole, the diameter of through-hole is generally d+
1.0mm；The sectional dimension of end plate 4 needs to carry out check determination according to load situation, and calculation method is basic in Machine Design
Operating process.
Further, the both ends of pull rod 3 have screw thread.
Referring to Fig. 2, vertical low temperature container is using such as the present invention provides a kind of one embodiment of vertical low temperature container
The inner sidewall structure of vertical low temperature container described in any one of upper.
It in an application examples, is held inside vertical low temperature container liquid nitrogen (77K), vertical low temperature container when approximate calculation
The low-temperature end 1B temperature T of inner sidewalll=77K, the indoor temperature end 1A temperature T of the inner sidewall of vertical low temperature containerh=300K, 304 is stainless
Average thermal conductivity of the Steel material between 77K~300K is λ=12.3W/ (mK), evenly heat of the G10 material between 77K~300K
Conductance is λ=0.21W/ (mK).It is calculated according to formula it is found that the fabric drain heat is 310W for Conventional cryogenic container.For
The inner sidewall structure of vertical low temperature container of the present invention, according to formula calculate it is found that along metal corrugated pipe expansion joint 2 leakage
Heat is 26.6W, and the leakage heat along 4 G10 pull rods 3 is 0.4W, i.e., total leakage heat is only 27W, far below Conventional cryogenic container leakage heat.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of inner sidewall structure of vertical low temperature container characterized by comprising
Metal corrugated pipe expansion joint；
The first end of the metal corrugated pipe expansion joint is fixedly connected with the indoor temperature end of the inner sidewall of vertical low temperature container；
The second end of the metal corrugated pipe expansion joint is fixedly connected with the low-temperature end of the inner sidewall of the vertical low temperature container.
2. the inner sidewall structure of vertical low temperature container according to claim 1, which is characterized in that further include: pull rod, first
End plate and the second end plate；
The first end plate is fixedly connected with the room temperature side of the inner sidewall of the vertical low temperature container；
Second end plate is fixedly connected with the low temperature side of the inner sidewall of the vertical low temperature container；
The first end plate and second end plate are set in the inner sidewall of the vertical low temperature container and the interlayer of lateral wall；
The first end plate is corresponding with second end plate to open up through-hole；
The pull rod is fixed with the first end plate and second end plate respectively by the through-hole.
3. the inner sidewall structure of vertical low temperature container according to claim 2, which is characterized in that the metal bellows is swollen
Swollen section includes the first straight tube, at least one bellows and the second straight tube；
The first end of first straight tube is fixedly connected with the indoor temperature end of the inner sidewall of the vertical low temperature container；
The second end of first straight tube is fixedly connected with the first end of the bellows；
The second end of the bellows is fixedly connected with the first end of second straight tube；
The second end of second straight tube is fixedly connected with the low-temperature end of the inner sidewall of the vertical low temperature container.
4. the inner sidewall structure of vertical low temperature container according to claim 2, which is characterized in that the pull rod is stood with described
The inner sidewall axis direction of formula low-temperature (low temperature) vessel is parallel.
5. the inner sidewall structure of vertical low temperature container according to claim 2, which is characterized in that the first end plate and institute
The interconnecting piece for stating the second end plate is matched with the shape of the inner sidewall of the vertical low temperature container.
6. the inner sidewall structure of vertical low temperature container according to claim 2, which is characterized in that the both ends of the pull rod have
There is screw thread.
7. a kind of vertical low temperature container, which is characterized in that the vertical low temperature container is using any one of claim 1 to 6
The inner sidewall structure of the vertical low temperature container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333444.1A CN109210366B (en) | 2018-11-09 | 2018-11-09 | Inside wall structure of vertical low-temperature container and vertical low-temperature container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333444.1A CN109210366B (en) | 2018-11-09 | 2018-11-09 | Inside wall structure of vertical low-temperature container and vertical low-temperature container |
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| CN109210366B CN109210366B (en) | 2024-06-18 |
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