CN208951668U - 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
- Publication number
- CN208951668U CN208951668U CN201821845212.XU CN201821845212U CN208951668U CN 208951668 U CN208951668 U CN 208951668U CN 201821845212 U CN201821845212 U CN 201821845212U CN 208951668 U CN208951668 U CN 208951668U
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- Prior art keywords
- low temperature
- inner sidewall
- vertical low
- temperature container
- end plate
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 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
- 241000208340 Araliaceae Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 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
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 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
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides the inner sidewall structure and vertical low temperature container of a kind of vertical low temperature container, 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 utility model, 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 utility model relates to the inner sidewall structure of low-temperature (low temperature) vessel technical field more particularly to a kind of vertical low temperature container and
Vertical low temperature container.
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.
Utility model content
The utility model provides the inner sidewall structure and vertical low temperature container of a kind of vertical low temperature container, solve how
Reduce the technical problem of the leakage heat along neck tube side wall.
The utility model provides a kind of inner sidewall structure 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 utility model provides a kind of vertical low temperature container, and the vertical low temperature container is using institute any one of as above
The inner sidewall structure for the vertical low temperature container stated.
As can be seen from the above technical solutions, the utility model has the advantage that
The utility model provides a kind of inner sidewall structure of vertical low temperature container, comprising: metal corrugated pipe expansion joint；Institute
The first end for stating metal corrugated pipe expansion joint is fixedly connected with the indoor temperature end of the inner sidewall of vertical low temperature container；The wavy metal
The second end of pipe expansion joint is fixedly connected with the low-temperature end of the inner sidewall of the vertical low temperature container.In the utility model, pass through
Metal corrugated pipe expansion joint reduces vertical low temperature container neck tube sidewall thickness, while increasing conducting path, so that along neck tube side
The leakage heat of wall is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the inner sidewall structure of vertical low temperature container provided by the utility model；
Fig. 2 is a kind of structural schematic diagram of vertical low temperature container provided by the utility model；
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 utility model embodiment provides the inner sidewall structure and vertical low temperature container of a kind of vertical low temperature container, solves
How the technical problem of leakage heat along neck tube side wall is reduced.
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of one embodiment of the inner sidewall structure of vertical low temperature container, packet
It includes:
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.The vertical low temperature of the utility model
The inner sidewall structure of container is needed mainly for liquid nitrogen and the metal low temp container of following warm area (- 196 DEG C or less) using resistance to low
The metal corrugated pipe expansion joint 2 of warm material (such as 304,316L trade mark stainless steel).Metal corrugated pipe expansion joint 2 passes through welding side
Formula is fixed 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
The standard process flows of manufacture.
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 utility model embodiment, reduce vertical low temperature container neck tube side thickness by metal corrugated pipe expansion joint 2
Degree, while increasing 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 utility model embodiment is due to vertical low temperature container
1 position of inner sidewall is the metal corrugated pipe expansion joint 2 of thin-walled, and tensile strength is lower, can not independent bearing vertical low temperature container
The weight of liner, it is therefore necessary to increase the pull rod 3 for being used for load outside it.
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, the utility model provides a kind of one embodiment of vertical low temperature container, vertical low temperature container is adopted
With as above any one of described in vertical low temperature container inner sidewall structure.
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 Tl=77K of inner sidewall, the indoor temperature end 1A temperature T of the inner sidewall of vertical low temperature containerh=300K, 304 are not
Average thermal conductivity of the Steel material between 77K~300K that become rusty is λ=12.3W/ (mK), G10 material being averaged between 77K~300K
Thermal conductivity 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.It is right
In the inner sidewall structure of vertical low temperature container described in the utility model, calculated according to formula it is found that along wavy metal tube swelling
The leakage heat of section 2 is 26.6W, and the leakage heat along 4 G10 pull rods 3 is 0.4W, i.e., total leakage heat is only 27W, is far below Conventional cryogenic container
Leakage heat.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
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 |
|---|---|---|---|
| CN201821845212.XU CN208951668U (en) | 2018-11-09 | 2018-11-09 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845212.XU CN208951668U (en) | 2018-11-09 | 2018-11-09 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951668U true CN208951668U (en) | 2019-06-07 |
Family
ID=66744345
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821845212.XU Withdrawn - After Issue CN208951668U (en) | 2018-11-09 | 2018-11-09 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210366A (en) * | 2018-11-09 | 2019-01-15 | 广东电网有限责任公司 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
-
2018
- 2018-11-09 CN CN201821845212.XU patent/CN208951668U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210366A (en) * | 2018-11-09 | 2019-01-15 | 广东电网有限责任公司 | A kind of inner sidewall structure and vertical low temperature container of vertical low temperature container |
| CN109210366B (en) * | 2018-11-09 | 2024-06-18 | 广东电网有限责任公司 | Inside wall structure of vertical low-temperature container and vertical low-temperature container |
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Granted publication date: 20190607 Effective date of abandoning: 20240618 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190607 Effective date of abandoning: 20240618 |