CN215724162U - External liquid nitrogen tank heating device - Google Patents
External liquid nitrogen tank heating device Download PDFInfo
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- CN215724162U CN215724162U CN202121879703.8U CN202121879703U CN215724162U CN 215724162 U CN215724162 U CN 215724162U CN 202121879703 U CN202121879703 U CN 202121879703U CN 215724162 U CN215724162 U CN 215724162U
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- flow passage
- heat
- liquid nitrogen
- nitrogen tank
- insulating cylinder
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Abstract
An external liquid nitrogen tank heating device belongs to the technical field of superconducting strip testing equipment. The external liquid nitrogen tank heating device comprises a heat-insulating cylinder body, wherein two ends of the heat-insulating cylinder body are closed, and one end of the heat-insulating cylinder body is provided with an inlet and an outlet which are communicated with the interior of the heat-insulating cylinder body; the heat insulation barrel is internally provided with a first partition plate and a second partition plate which are arranged in a cross manner, the heat insulation barrel is internally partitioned to form a first flow passage, a second flow passage, a third flow passage and a fourth flow passage which are sequentially communicated, an inlet is communicated with the first flow passage, the fourth flow passage is communicated with an outlet, and the extending directions of the first flow passage, the second flow passage, the third flow passage and the fourth flow passage are consistent with the axial direction of the heat insulation barrel. The utility model has compact structure, is externally arranged relative to the liquid nitrogen tank, and avoids the heating element arranged in the liquid nitrogen tank from baking the heat-insulating material.
Description
Technical Field
The utility model relates to a technology in the field of superconducting tape testing equipment, in particular to an external liquid nitrogen tank heating device.
Background
After the superconducting tape testing process, the liquid nitrogen tank needs to be placed for a long time, and water vapor and ice slag are generated in the liquid nitrogen tank in the liquid nitrogen cooling process. If the next test is needed after the first test is finished, the liquid nitrogen tank needs to be placed for two to three days under the condition that the heating device is not arranged for heating, and the liquid nitrogen tank naturally rises to melt ice residues and discharge water vapor under the non-heating condition. Under the condition that the heating device is arranged in the liquid nitrogen tank for heating, the waiting time between two tests is greatly shortened, but the heat insulation material in the liquid nitrogen tank is easily burnt out, so that the operators need to regularly maintain the liquid nitrogen tank and replace the heat insulation material, and the operation is very troublesome and unsafe.
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an external liquid nitrogen tank heating device which is compact in structure and can prevent a heating element arranged in a liquid nitrogen tank from baking a heat-insulating material.
The utility model comprises a heat-insulating cylinder body, wherein two ends of the heat-insulating cylinder body are closed, and one end of the heat-insulating cylinder body is provided with an inlet and an outlet which are communicated with the interior of the heat-insulating cylinder body;
a first partition plate and a second partition plate which are arranged in a cross manner are arranged in the heat-insulating cylinder, a first flow passage, a second flow passage, a third flow passage and a fourth flow passage which are sequentially communicated are formed in the heat-insulating cylinder in a separating manner, an inlet is communicated with the first flow passage, the fourth flow passage is communicated with an outlet, and the extending directions of the first flow passage, the second flow passage, the third flow passage and the fourth flow passage are consistent with the axial direction of the heat-insulating cylinder;
the heating belt is wound on the outer side of the heat-insulating cylinder body.
Preferably, the first partition plate and the second partition plate are both made of heat insulation materials.
Technical effects
Compared with the prior art, the utility model has the following technical effects:
1) in the same space, the flow channel path is greatly prolonged, nitrogen is fully heated and then is introduced into a liquid nitrogen tank to melt ice slag, and water vapor and low-temperature gas are removed, so that next test is performed, and the production detection efficiency of the superconducting tape is improved;
2) the heating element is arranged outside, so that the heating element arranged in the liquid nitrogen tank is prevented from baking the heat-insulating material.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic view of the internal structure of embodiment 1;
FIG. 3 is a schematic view of the connection structure between the external liquid nitrogen tank heating apparatus and the liquid nitrogen tank in embodiment 1;
in the figure: the heat insulation barrel body 10, the first baffle 11, the second baffle 12, the first partition plate 13, the second partition plate 14, the first flow passage 15, the second flow passage 16, the third flow passage 17 and the fourth flow passage 18;
an inlet pipe 2, an outlet pipe 3 and a liquid nitrogen tank 4.
Detailed Description
The utility model is described in detail below with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment relates to an external liquid nitrogen tank heating device, which includes a thermal insulation cylinder 10, wherein a first baffle 11 and a second baffle 12 are disposed at two ends of the thermal insulation cylinder 10, and one of the baffles, preferably the first baffle 11, is provided with an inlet pipe 2 and an outlet pipe 3 which are communicated with the interior of the thermal insulation cylinder 10;
the inside of the thermal insulation cylinder body 10 is provided with a first partition plate 13 and a second partition plate 14 which are arranged in a crisscross manner, and the first partition plate and the second partition plate are preferably made of thermal insulation materials. A first flow passage 15, a second flow passage 16, a third flow passage 17 and a fourth flow passage 18 which are sequentially communicated are formed in the heat-insulating cylinder in a separated manner, the inlet pipe 2 is communicated with the first flow passage 15, the fourth flow passage 18 is communicated with the outlet pipe 3, and the extending directions of the first flow passage 15, the second flow passage 16, the third flow passage 17 and the fourth flow passage 18 are consistent with the axial direction of the heat-insulating cylinder;
a heating tape (not shown in the drawings) is wound on the outer side of the heat-insulating cylinder 10.
Preferably, the first partition plate 13 is transversely arranged and fixedly connected with the first baffle plate 11, and is not contacted with the second baffle plate 12 to leave a gap; the second baffle plate 14 is longitudinally arranged, one end of the second baffle plate is fixedly connected with the first baffle plate 11 at the upper part, a gap is left between the lower part of the second baffle plate and the first baffle plate 11, and the other end of the second baffle plate is fixedly connected with the second baffle plate 12; through the first partition plate 13 and the second partition plate 14 which are arranged in a staggered manner in the axial direction, the first flow passage 15 and the second flow passage 16 are communicated at a position close to the second baffle plate 12, the second flow passage 16 and the third flow passage 17 are communicated at a position close to the first baffle plate 11, and the third flow passage 17 and the fourth flow passage 18 are communicated at a position close to the second baffle plate 12.
When the embodiment works, the outlet of the external liquid nitrogen tank heating device is communicated with the inlet of the liquid nitrogen tank 4, as shown in fig. 3; heating the heat-insulating cylinder 10 by a heating belt, heating the nitrogen introduced into the heat-insulating cylinder, and then introducing the nitrogen into a liquid nitrogen tank to remove ice slag, water vapor and low-temperature gas in the liquid nitrogen tank; after the operation is finished, new liquid nitrogen can be filled for the next test.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (3)
1. An external liquid nitrogen tank heating device is characterized by comprising a heat-insulating cylinder body, wherein two ends of the heat-insulating cylinder body are closed, and one end of the heat-insulating cylinder body is provided with an inlet and an outlet which are communicated with the interior of the heat-insulating cylinder body;
a first partition plate and a second partition plate which are arranged in a cross manner are arranged in the heat-insulating cylinder, a first flow passage, a second flow passage, a third flow passage and a fourth flow passage which are sequentially communicated are formed in the heat-insulating cylinder in a separating manner, an inlet is communicated with the first flow passage, the fourth flow passage is communicated with an outlet, and the extending directions of the first flow passage, the second flow passage, the third flow passage and the fourth flow passage are consistent with the axial direction of the heat-insulating cylinder;
the heating belt is wound on the outer side of the heat-insulating cylinder body.
2. The external liquid nitrogen tank heating device of claim 1, wherein the first partition and the second partition are made of heat insulating materials.
3. The external liquid nitrogen tank heating device as claimed in claim 1, wherein the outlet of the external liquid nitrogen tank heating device is communicated with the inlet of the liquid nitrogen tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121879703.8U CN215724162U (en) | 2021-08-12 | 2021-08-12 | External liquid nitrogen tank heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121879703.8U CN215724162U (en) | 2021-08-12 | 2021-08-12 | External liquid nitrogen tank heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215724162U true CN215724162U (en) | 2022-02-01 |
Family
ID=79995143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121879703.8U Active CN215724162U (en) | 2021-08-12 | 2021-08-12 | External liquid nitrogen tank heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215724162U (en) |
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2021
- 2021-08-12 CN CN202121879703.8U patent/CN215724162U/en active Active
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