CN219796594U - Vacuum flexible heat-insulating transfusion assembly - Google Patents
Vacuum flexible heat-insulating transfusion assembly Download PDFInfo
- Publication number
- CN219796594U CN219796594U CN202320136979.XU CN202320136979U CN219796594U CN 219796594 U CN219796594 U CN 219796594U CN 202320136979 U CN202320136979 U CN 202320136979U CN 219796594 U CN219796594 U CN 219796594U
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- CN
- China
- Prior art keywords
- pipe
- vacuum
- layer pipe
- layer
- ports
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009413 insulation Methods 0.000 claims abstract description 16
- 238000001802 infusion Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000003463 adsorbent Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 28
- 239000007788 liquid Substances 0.000 abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 14
- 238000002309 gasification Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003445 palladium oxide Inorganic materials 0.000 description 1
- JQPTYAILLJKUCY-UHFFFAOYSA-N palladium(ii) oxide Chemical group [O-2].[Pd+2] JQPTYAILLJKUCY-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of conveying parts, and provides a vacuum flexible heat-insulating infusion assembly which comprises an inner layer pipe and an outer layer pipe which are mutually sleeved, wherein two ports of the inner layer pipe extend to the outside from two ports of the outer layer pipe; a vacuum layer is formed between the inner layer pipe and the outer layer pipe; the outer layer tube comprises a corrugated section, and two ends of the corrugated section are respectively connected with a straight section; the ports of the two straight sections are connected with the pipe body of the inner layer pipe in a sealing way. Therefore, the inner-layer pipe is adopted to convey liquid nitrogen, redundant connection points are not arranged in the inner-layer pipe, the sealing performance is good, and leakage in the conveying process is avoided. Meanwhile, the vacuum layer is used for heat insulation, so that liquid nitrogen gasification is avoided, and loss is reduced. The outer corrugated section can be bent at any angle along with the inner pipe, so that the corrugated pipe has multiple application occasions and good universality.
Description
Technical Field
The utility model belongs to the technical field of conveying components, and particularly relates to a vacuum flexible heat-insulating transfusion assembly.
Background
When liquid nitrogen is used, a transfusion tube is usually connected between a liquid nitrogen storage tank and a used container. Liquid nitrogen is then introduced into the use vessel through the transfer line.
The common metal infusion tube has poor heat insulation, and part of liquid nitrogen is heated and gasified in the conveying process, so that a certain amount of transmission loss is caused. Although a special conveying pipe is arranged at present, as disclosed in Chinese patent CN200420063887.0, the pipeline has a complex structure, a plurality of liquid conveying pipeline joints and high leakage risk; and the pipe body cannot be bent in multiple degrees, so that the use scene is limited and the universality is poor.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
The utility model solves the technical problems that the infusion tube has a complex structure and poor universality. Through adopting inlayer pipe to carry liquid nitrogen, inside does not have unnecessary tie point, and the leakproofness is good, avoids appearing leaking in the transportation. Meanwhile, the vacuum layer is used for heat insulation, so that liquid nitrogen gasification is avoided, and loss is reduced. The outer corrugated section can be bent at any angle along with the inner pipe, so that the corrugated pipe has multiple application occasions and good universality.
In order to solve the problems, the utility model provides a vacuum flexible heat-insulating transfusion assembly, which comprises an inner layer pipe and an outer layer pipe which are mutually sleeved, wherein two ports of the inner layer pipe extend to the outside from two ports of the outer layer pipe; a vacuum layer is formed between the inner layer pipe and the outer layer pipe;
the outer layer tube comprises a corrugated section, and two ends of the corrugated section are respectively connected with a straight section; the ports of the two straight sections are connected with the pipe body of the inner layer pipe in a sealing way.
According to the vacuum flexible heat-insulating transfusion assembly, heat-insulating paper is arranged in the vacuum layer.
According to the vacuum flexible heat-insulating transfusion assembly, the heat-insulating paper is formed by compounding glass fiber and an aluminized polyester film.
According to the vacuum flexible heat-insulating transfusion assembly, the vacuum layer is also filled with a gas adsorbent.
According to the vacuum flexible heat-insulating transfusion assembly, two ends of the inner layer tube are respectively connected with a joint nut.
According to the vacuum flexible heat-insulating transfusion assembly, the joint nut is a spherical sealing loose nut.
According to the vacuum flexible heat-insulating transfusion assembly, one of the two straight sections is connected with an exhaust pipe; one end of the exhaust pipe is communicated with the vacuum layer, and the other end of the exhaust pipe is connected with the exhaust valve.
According to the vacuum flexible heat-insulating infusion assembly, the port of the straight section is connected with the pipe body of the inner layer pipe in a welding mode.
In conclusion, the inner-layer pipe is adopted to convey liquid nitrogen, redundant connection points are not arranged in the inner-layer pipe, the sealing performance is good, and leakage in the conveying process is avoided. Meanwhile, the vacuum layer is used for heat insulation, so that liquid nitrogen gasification is avoided, and loss is reduced. The outer corrugated section can be bent at any angle along with the inner pipe, so that the corrugated pipe has multiple application occasions and good universality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic illustration of the operation of the present utility model;
in the figure: 1-inner layer pipe, 2-outer layer pipe, 21-corrugated section, 22-straight section and 23-heat insulation paper; 3-joint nut, 4-exhaust pipe, 41-exhaust valve.
Detailed Description
Referring to fig. 1, the utility model provides a vacuum flexible heat-insulating infusion assembly, which comprises an inner layer tube 1 and an outer layer tube 2 which are mutually sleeved, wherein two ports of the inner layer tube 1 extend from two ports of the outer layer tube 2 to the outside; referring to fig. 2, a vacuum layer is formed between the inner tube 1 and the outer tube 2;
the outer tube 2 comprises a corrugated section 21, and two ends of the corrugated section 21 are respectively connected with a straight section 22; the ports of the two straight sections 22 are connected with the pipe body of the inner pipe 1 in a sealing way. Preferably, the port of the straight section 22 is connected with the pipe body of the inner pipe 1 in a welding mode, so that the forming difficulty is low, the joint strength is high, and the sealing effect is good.
The inner layer tube 1 of the utility model is preferably a metal hose, liquid nitrogen is transmitted from the metal hose, and the heat insulation characteristic of the vacuum layer is utilized to greatly reduce the vaporization of the liquid nitrogen and the loss thereof.
Preferably, the vacuum layer is provided with heat insulation paper 23, so that the overall heat insulation effect is further enhanced. Further, the vacuum layer is also filled with a gas adsorbent, so that the vacuum degree of the vacuum layer is ensured.
The heat insulating paper 23 of the present utility model is formed by compounding glass fibers and an aluminum-plated polyester film, and has excellent heat insulating properties. The gas adsorbent is preferably palladium oxide.
With reference to fig. 3, two ends of the inner tube 1 are respectively connected with a joint nut 3 for connecting with a storage container or a use container. The joint nut 3 is preferably a spherical sealing loose sleeve nut, so that the connection tightness is good, and the operation is convenient.
Preferably, one of the two straight sections 22 is connected to the suction pipe 4; one end of the exhaust pipe 4 is communicated with the vacuum layer, and the other end of the exhaust pipe is connected with an exhaust valve element 41; when the vacuum degree is not in accordance with the requirement, the vacuum degree can be re-pumped through the pumping pipe 4 to reach a preset negative pressure value.
The corrugated section 21 of the utility model can be bent at any angle along with the inner layer tube 1, and has a plurality of applicable occasions and good universality.
In summary, the utility model provides the vacuum flexible heat-insulating transfusion assembly, which adopts the inner tube to convey liquid nitrogen, has no redundant connection points inside, has good sealing performance and avoids leakage in the conveying process. Meanwhile, the vacuum layer is used for heat insulation, so that liquid nitrogen gasification is avoided, and loss is reduced. The outer corrugated section can be bent at any angle along with the inner pipe, so that the corrugated pipe has multiple application occasions and good universality.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. The vacuum flexible heat-insulating transfusion assembly is characterized by comprising an inner layer pipe and an outer layer pipe which are mutually sleeved, wherein two ports of the inner layer pipe extend to the outside from two ports of the outer layer pipe; a vacuum layer is formed between the inner layer pipe and the outer layer pipe;
the outer layer tube comprises a corrugated section, and two ends of the corrugated section are respectively connected with a straight section; the ports of the two straight sections are connected with the pipe body of the inner layer pipe in a sealing way.
2. The vacuum flexible insulation infusion assembly of claim 1, wherein insulation paper is disposed in the vacuum layer.
3. The vacuum flexible insulation infusion assembly of claim 1, wherein the vacuum layer is further filled with a gas adsorbent.
4. The vacuum flexible insulation infusion assembly of claim 1, wherein two ends of the inner tube are each connected to a union nut.
5. The vacuum flexible insulation infusion assembly of claim 4, wherein the adapter nut is a spherical sealing loose nut.
6. The vacuum flexible insulation infusion assembly according to any of claims 1 to 5, wherein one of the two straight sections is connected to an exhaust tube; one end of the exhaust pipe is communicated with the vacuum layer, and the other end of the exhaust pipe is connected with the exhaust valve.
7. The vacuum flexible insulation infusion assembly of claim 6, wherein the port of the straight section is connected to the tube body of the inner tube by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136979.XU CN219796594U (en) | 2023-02-07 | 2023-02-07 | Vacuum flexible heat-insulating transfusion assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136979.XU CN219796594U (en) | 2023-02-07 | 2023-02-07 | Vacuum flexible heat-insulating transfusion assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796594U true CN219796594U (en) | 2023-10-03 |
Family
ID=88176918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320136979.XU Active CN219796594U (en) | 2023-02-07 | 2023-02-07 | Vacuum flexible heat-insulating transfusion assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796594U (en) |
-
2023
- 2023-02-07 CN CN202320136979.XU patent/CN219796594U/en active Active
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| GR01 | Patent grant |