CN117963345A - Low-loss storage device for recycling steam to realize low-temperature liquid - Google Patents
Low-loss storage device for recycling steam to realize low-temperature liquid Download PDFInfo
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- CN117963345A CN117963345A CN202410294097.5A CN202410294097A CN117963345A CN 117963345 A CN117963345 A CN 117963345A CN 202410294097 A CN202410294097 A CN 202410294097A CN 117963345 A CN117963345 A CN 117963345A
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- low
- temperature liquid
- cold screen
- cold
- refrigerator
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- 239000007788 liquid Substances 0.000 title claims abstract description 50
- 238000003860 storage Methods 0.000 title claims abstract description 27
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000004964 aerogel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Abstract
The invention relates to the technical field related to low-temperature liquid storage devices, in particular to a low-temperature liquid low-loss storage device realized by recycling steam, which comprises a cold screen, a refrigerator, a low-temperature liquid inner tank, a gas coil and a heat insulation layer, wherein a first-stage cold head on the refrigerator is connected with the upper end of the cold screen, the lower end of the first-stage cold head is connected with a refrigerator cylinder, the lower end of the refrigerator cylinder is connected with a second-stage cold head, the low-temperature liquid inner tank is arranged in an inner cavity of the cold screen, and the low-temperature liquid inner tank is fixed with the second-stage cold head on the refrigerator in a sealing way; the low-temperature liquid inner tank is insulated by the steam which is self-evaporated, no other low-temperature liquid medium is needed to participate, the volume and the weight are smaller, the installation is more convenient, the periodic maintenance is not needed, the start and stop frequency of the refrigerator can be reduced under the condition that the low-temperature liquid storage rate is ensured by the cold screen, and the service life of the refrigerator is prolonged.
Description
Technical Field
The invention relates to the technical field related to low-temperature liquid storage devices, in particular to a low-loss storage device for recycling steam to realize low-temperature liquid.
Background
The preparation and storage of low-temperature liquid have extremely high requirements on system heat leakage. Although radiation heat transfer is negligible in normal temperature environment, convection effect is weakened in vacuum environment, direct heat transfer is limited, and the proportion of heat radiation in the whole heat leakage quantity is greatly improved. On the other hand, heat radiation is difficult to isolate through a heat insulating material, and the radiation emissivity is reduced by coating the surface of the container with a radiation protection layer in a relatively effective way; or a radiation transition layer is inserted between the low temperature surface and the high temperature surface. Vapor Cooling System is VCS cold screen structure technology for short, namely cold screen structure technology which is designed based on radiation transition layer principle and can reduce the influence of heat radiation on low-temperature liquid storage;
However, the conventional VCS cold-screen structure technology cannot realize the purpose of recycling the emitted cold energy, so that the start and stop of the refrigerator are high, and the actual service life of the refrigerator is affected to a certain extent.
Disclosure of Invention
The invention aims to provide a low-loss storage device for recycling steam to realize low-temperature liquid, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a low-loss storage device for realizing low-temperature liquid by recycling steam, the low-loss storage device for realizing low-temperature liquid by recycling steam comprising:
A cold screen;
The refrigerating machine comprises a refrigerating machine, wherein a first-stage cold head on the refrigerating machine is connected with the upper end of a cold screen, the lower end of the first-stage cold head is connected with a refrigerating machine cylinder, and the lower end of the refrigerating machine cylinder is connected with a second-stage cold head;
The low-temperature liquid inner tank is arranged in the inner cavity of the cold screen and is fixed with a secondary cold head on the refrigerator in a sealing way;
The gas coil is arranged on the inner wall of the cold screen and the primary cold head;
the heat insulation layer is arranged on the inner side wall of the cold screen.
Preferably, the gas coil is formed by combining a primary pipe body, a secondary pipe body and a tertiary pipe body, wherein the primary pipe body is arranged on the inner side wall of the cold screen, the secondary pipe body is arranged on the top wall of the cold screen, the tertiary pipe body is wound on a cylinder of the refrigerator and a primary cold head, and the end part of the primary pipe body is connected with an inlet of the low-temperature liquid inner tank.
Preferably, the cold screen is a cylindrical cover body structure formed by splicing front and rear copper plates.
Preferably, the heat insulation layer on the inner side wall of the cold screen is an aerogel heat insulation layer.
Preferably, a direct welding process is adopted among the primary pipe body, the secondary pipe body and the cold screen.
Preferably, the cold screen is processed by cutting means to cut a plurality of round holes and slits which are positioned and staggered.
Preferably, the bottom of cold screen sets up on the bottom plate, the fixed welding of upper surface of bottom plate has one-level sealing ring and second grade sealing ring, the lower extreme of cold screen is the joint between one-level sealing ring and second grade sealing ring.
Preferably, the upper surface of the bottom plate is provided with an aerogel heat insulation layer.
Compared with the prior art, the invention has the beneficial effects that:
1. the low-loss storage device for the low-temperature liquid is realized by arranging the recycling steam formed by combining the cold screen, the refrigerator, the low-temperature liquid inner tank, the gas coil and the heat insulation layer, so that the low-temperature liquid inner tank is insulated by the steam which is self-evaporated in the cold screen, other low-temperature liquid mediums are not needed to participate, the volume and the weight are smaller, the installation are more convenient, the regular maintenance is not needed, the starting and stopping frequency of the refrigerator can be reduced under the condition of ensuring the storage rate of the low-temperature liquid by the cold screen, and the service life of the refrigerator is prolonged;
drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a half cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
FIG. 4 is a schematic diagram of a gas coil configuration of the present invention.
In the figure: cold screen 1, refrigerator 2, cryogenic liquid inner tank 3, gas coil 4, first-stage cold head 5, refrigerator cylinder 6, first-stage body 7, diode body 8, tertiary body 9, bottom plate 10, first-stage sealing ring 11, second-stage sealing ring 12.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIGS. 1-4, the present invention provides the following four preferred embodiments
Example 1
The utility model provides a low-loss storage device of low temperature liquid is realized to recycle steam, recycle steam realizes low-loss storage device of low temperature liquid includes cold screen 1, refrigerator 2, low temperature liquid inner tank 3, gaseous coil 4 and adiabatic heat preservation, the one-level cold head 5 on the refrigerator 2 is connected with the upper end of cold screen 1, and the lower extreme of one-level cold head 5 is connected with refrigerator cylinder 6, the lower extreme of refrigerator cylinder 6 is connected with the second grade cold head, low temperature liquid inner tank 3 sets up in the inner chamber of cold screen 1, and low temperature liquid inner tank 3 is fixed with the second grade cold head seal on the refrigerator 2, gaseous coil lays on cold screen 1 inner wall and one-level cold head 5 lateral wall, adiabatic heat preservation sets up on cold screen 1's inside wall, gaseous coil 4 comprises one-level body 7, diode body 8 and tertiary body 9 combination, one-level body 7 sets up on cold screen 1's inside wall, diode body 8 sets up on cold screen 1's roof, tertiary body 9 twines on refrigerator cylinder 6 and one-level cold head 5, the tip and the low temperature liquid of one-level body 7 are connected with the low temperature liquid inner tank 3.
The cold screen 1 is a cylindrical cover body structure formed by splicing front and rear copper plates, and the low-temperature liquid low-loss storage device is realized by arranging recycle steam formed by combining the cold screen 1, the refrigerator 2, the low-temperature liquid inner tank 3, the gas coil 4 and the heat insulation heat preservation layer, so that the low-temperature liquid inner tank 3 is insulated by the steam obtained by self-evaporation, other low-temperature liquid media are not needed to participate, the volume and the weight are smaller, the installation are more convenient, the regular maintenance is not needed, and the start-stop frequency of the refrigerator 2 can be reduced under the condition of ensuring the storage rate of the low-temperature liquid, and the service life of the refrigerator 2 is prolonged.
Example two
On the basis of the first embodiment, the heat insulation layer on the inner side wall of the cold screen 1 is an aerogel heat insulation layer, and the heat insulation effect of the cold screen 1 is improved through the aerogel heat insulation layer.
The primary pipe body 7, the secondary pipe body 8 and the cold screen 1 are directly welded.
The cold screen 1 is processed and cut with a plurality of round holes and slits which are positioned and staggered by a laser cutting means, so as to shorten the time required by the vacuumizing process.
Example III
On the basis of the second embodiment, the bottom of the cold screen 1 is arranged on the bottom plate 10, the first-stage sealing ring 11 and the second-stage sealing ring 12 are fixedly welded on the upper surface of the bottom plate 10, the lower end of the cold screen 1 is clamped between the first-stage sealing ring 11 and the second-stage sealing ring 12, and an aerogel heat insulation layer is arranged on the upper surface of the bottom plate 10, so that the volatilization of cold energy at the bottom of the cold screen 1 is reduced.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.
Claims (8)
1. The utility model provides a recycle steam realizes low loss storage device of low temperature liquid which characterized in that: the low-loss storage device for recycling steam to realize low-temperature liquid comprises:
A cold screen (1);
The refrigerating machine comprises a refrigerating machine (2), wherein a first-stage cold head (5) on the refrigerating machine (2) is connected with the upper end of a cold screen (1), the lower end of the first-stage cold head (5) is connected with a refrigerating machine cylinder (6), and the lower end of the refrigerating machine cylinder (6) is connected with a second-stage cold head;
the low-temperature liquid inner tank (3), the low-temperature liquid inner tank (3) is arranged in the inner cavity of the cold screen (1), and the low-temperature liquid inner tank (3) is fixed with a second-level cold head on the refrigerator (2) in a sealing way;
the gas coil pipes (4) are arranged on the inner wall of the cold screen (1) and the side wall of the primary cold head (5);
The heat insulation layer is arranged on the inner side wall of the cold screen (1).
2. The low-loss storage device for cryogenic liquids by recycling steam according to claim 1, wherein: the gas coil (4) is formed by combining a primary pipe body (7), a secondary pipe body (8) and a tertiary pipe body (9), the primary pipe body (7) is arranged on the inner side wall of the cold screen (1), the secondary pipe body (8) is arranged on the top wall of the cold screen (1), the tertiary pipe body (9) is wound on the air cylinder (6) and the primary cold head (5) of the refrigerator, and the end part of the primary pipe body (7) is connected with the inlet of the low-temperature liquid inner tank (3).
3. The low-loss storage device for cryogenic liquids by recycling steam according to claim 2, wherein: the cold screen (1) is a cylindrical cover body structure formed by splicing front and rear copper plates.
4. A low-loss storage apparatus for cryogenic liquids using recycled vapor as defined in claim 3, wherein: the heat insulation layer on the inner side wall of the cold screen (1) is an aerogel heat insulation layer.
5. The low-loss storage device for cryogenic liquids by recycling steam according to claim 4, wherein: and a direct welding process is adopted among the primary pipe body (7), the secondary pipe body (8) and the cold screen (1).
6. The low-loss storage apparatus for cryogenic liquids using vapor recovery as defined in claim 5, wherein: and a plurality of round holes and thin seams which are positioned and staggered are processed and cut on the cold screen (1) by a laser cutting means.
7. The low-loss storage device for cryogenic liquids by recycling steam according to claim 6, wherein: the bottom of cold screen (1) sets up on bottom plate (10), the last fixed surface welding of bottom plate (10) has one-level sealing ring (11) and second grade sealing ring (12), the lower extreme of cold screen (1) is joint between one-level sealing ring (11) and second grade sealing ring (12).
8. The low-loss storage apparatus for cryogenic liquids using vapor recovery as defined in claim 7, wherein: the upper surface of the bottom plate (10) is provided with an aerogel heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410294097.5A CN117963345A (en) | 2024-03-14 | 2024-03-14 | Low-loss storage device for recycling steam to realize low-temperature liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410294097.5A CN117963345A (en) | 2024-03-14 | 2024-03-14 | Low-loss storage device for recycling steam to realize low-temperature liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117963345A true CN117963345A (en) | 2024-05-03 |
Family
ID=90853400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410294097.5A Pending CN117963345A (en) | 2024-03-14 | 2024-03-14 | Low-loss storage device for recycling steam to realize low-temperature liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117963345A (en) |
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2024
- 2024-03-14 CN CN202410294097.5A patent/CN117963345A/en active Pending
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