CN219623792U - Coiled magnesium-based hydrogen storage tank - Google Patents
Coiled magnesium-based hydrogen storage tank Download PDFInfo
- Publication number
- CN219623792U CN219623792U CN202320483743.3U CN202320483743U CN219623792U CN 219623792 U CN219623792 U CN 219623792U CN 202320483743 U CN202320483743 U CN 202320483743U CN 219623792 U CN219623792 U CN 219623792U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange medium
- tank body
- coil
- coiled
- 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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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 55
- 239000001257 hydrogen Substances 0.000 title claims abstract description 55
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 32
- 239000011777 magnesium Substances 0.000 title claims abstract description 32
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002680 magnesium Chemical class 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Abstract
The utility model discloses a coiled magnesium-based hydrogen storage tank, which comprises a tank body and a heat exchange tube; the tank body is provided with a filling port and an air inlet and outlet, and a heat exchange medium inlet pipe and a heat exchange medium return pipe are arranged outside the tank body; the heat exchange tube is spirally coiled in the tank body in the circumferential direction, one end of the heat exchange tube penetrates through the tank body to be communicated with the heat exchange medium inlet tube, and the other end of the heat exchange tube penetrates through the tank body to be communicated with the heat exchange medium return tube; the heat exchange tubes are divided into two groups, and comprise a first coil pipe coiled clockwise and a second coil pipe coiled anticlockwise; the heat exchange medium inlet a and the heat exchange medium outlet b of the first coil are respectively communicated with the heat exchange medium inlet pipe and the heat exchange medium return pipe at one side of the tank body, and the heat exchange medium inlet b and the heat exchange medium outlet b of the second coil are respectively communicated with the heat exchange medium inlet pipe and the heat exchange medium return pipe at the other side of the tank body. The heat exchange tube is spirally coiled in the tank body in the circumferential direction, so that the utilization rate of the effective volume in the tank body is improved, and the hydrogen storage capacity of the tank is further improved.
Description
Technical Field
The utility model relates to the technical field of pressure vessels, in particular to a coiled magnesium-based hydrogen storage tank.
Background
The hydrogen storage modes mainly comprise three modes: high pressure gaseous hydrogen storage, liquid hydrogen storage, and solid hydrogen storage. Among the three hydrogen storage modes, the solid hydrogen storage mode has the advantages of high hydrogen storage density, high safety, capability of obtaining high-purity hydrogen and the like. Therefore, solid-state hydrogen storage is the hydrogen storage mode with the most application prospect.
The solid-state hydrogen storage system of the magnesium-based alloy is mainly characterized in that the magnesium-based alloy is heated by a heat exchange medium, when the heat exchange medium is heated to enable the magnesium-based alloy to reach the hydrogen absorption temperature, hydrogen enters a container from a hydrogen pipeline system to react with the high-temperature magnesium-based alloy, and hydrogen absorption is carried out; when the heat exchange medium is heated to enable the magnesium-based alloy to reach the hydrogen release temperature, hydrogen starts to be released, and hydrogen is conveyed to the outside through the hydrogen pipeline system.
In the prior art, the heat exchange tube mostly adopts a U-shaped structure. This conventional coil heat exchange approach results in lower effective volume utilization and thus reduced hydrogen storage capacity of the tank.
Disclosure of Invention
The utility model aims to provide a coiled magnesium-based hydrogen storage tank, wherein a heat exchange tube is spirally coiled in the tank body in the circumferential direction, so that the utilization rate of the effective volume in the tank body is improved, and the hydrogen storage amount of the tank is further improved, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a coil pipe type magnesium-based hydrogen storage tank comprises a tank body and a heat exchange pipe; the tank body is provided with a filling port and an air inlet and outlet, and the outer side of the tank body is provided with a heat exchange medium inlet pipe and a heat exchange medium return pipe; the heat exchange tube is spirally coiled in the tank body in the circumferential direction, one end of the heat exchange tube penetrates through the tank body to be communicated with the heat exchange medium inlet tube, and the other end of the heat exchange tube penetrates through the tank body to be communicated with the heat exchange medium return tube.
According to the further improved scheme, the heat exchange medium inlet pipe and the heat exchange medium return pipe are U-shaped, two sides of the heat exchange medium inlet pipe and the heat exchange medium return pipe are distributed on two sides of the bottom of the tank body, one end of the heat exchange medium inlet pipe is provided with a water inlet, and one end of the heat exchange medium return pipe is provided with a return port.
The utility model further improves the scheme that the two groups of heat exchange tubes comprise a first coil pipe which is coiled clockwise and a second coil pipe which is coiled anticlockwise; the heat exchange medium inlet a and the heat exchange medium outlet a of the first coil are respectively communicated with a heat exchange medium inlet pipe and a heat exchange medium return pipe at one side of the tank body, and the heat exchange medium inlet b and the heat exchange medium outlet b of the second coil are respectively communicated with a heat exchange medium inlet pipe and a heat exchange medium return pipe at the other side of the tank body.
According to a further improvement scheme, the first coil pipes and the second coil pipes are arranged at equal intervals on the same plane.
A further development of the utility model is that the first coil and the second coil are arranged on adjacent planes which are equidistantly spaced.
According to a further improvement scheme, a support is connected to the bottom of the tank body.
According to a further improvement scheme, the heat exchange tube is made of austenitic stainless steel.
The utility model has the beneficial effects that:
according to the coiled magnesium-based hydrogen storage tank, the heat exchange tube is spirally coiled in the tank body in the circumferential direction, so that the effective volume utilization rate in the tank body is improved, and the hydrogen storage capacity of the tank is further improved.
The coil-type magnesium-based hydrogen storage tank has the advantages that the heat exchange tube is spirally wound in the tank body in the circumferential direction, the heating is uniform, the temperature rising speed in the tank body is high, and the hydrogen absorption and desorption efficiency is improved.
The coil-type magnesium-based hydrogen storage tank has two groups of heat exchange tubes, one group is coiled clockwise, the other group is coiled anticlockwise, the heating is more uniform, and the temperature rising speed is further improved.
The coiled magnesium-based hydrogen storage tank has fewer welding points between the heat exchange tube and the tank body, prevents hydrogen leakage and has higher safety performance.
Drawings
FIG. 1 is a schematic view showing the internal structure of a magnesium-based hydrogen tank in example 1.
FIG. 2 is a graph of the relationship between the first coil and the second coil in the direction A-A in FIG. 1.
Fig. 3 is a schematic view showing the structure of the outside of the magnesium-based hydrogen tank in example 1.
Fig. 4 is a schematic diagram of the structure in the direction B in fig. 3.
FIG. 5 is a schematic view showing the internal structure of a magnesium-based hydrogen tank in example 2.
Fig. 6 is a schematic view of the structure of the first coil from A-A in fig. 5.
Fig. 7 is a schematic view of the structure of the second coil from A-A in fig. 5.
Fig. 8 is a schematic view showing the structure of the outside of the magnesium-based hydrogen tank in example 2.
Fig. 9 is a schematic diagram of the structure in the direction B in fig. 8.
In the figure: 1-tank, 11-filling port, 12-air inlet and outlet, 2-heat exchange tube, 21-first coil, 211-heat exchange medium inlet a, 212-heat exchange medium outlet a, 22-second coil, 221-heat exchange medium inlet b, 222-heat exchange medium outlet b, 3-heat exchange medium inlet tube, 301-inlet port, 4-heat exchange medium return tube, 401-return port and 5-support.
Description of the embodiments
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
Example 1: as shown in fig. 1 to 4, a coiled magnesium-based hydrogen storage tank comprises a tank body 1 and a heat exchange tube 2; a filling port 101 and an air inlet and outlet port 102 are arranged on the tank body 1, and a heat exchange medium inlet pipe 3 and a heat exchange medium return pipe 4 are arranged on the outer side of the tank body 1; the heat exchange tube 2 is spirally wound in the tank body 1 in the circumferential direction, one end of the heat exchange tube 2 passes through the tank body 1 and is communicated with the heat exchange medium inlet tube 3, and the other end of the heat exchange tube 2 passes through the tank body 1 and is communicated with the heat exchange medium return tube 4; the heat exchange medium inlet pipe 3 and the heat exchange medium return pipe 4 are U-shaped, two sides of the heat exchange medium inlet pipe 3 and the heat exchange medium return pipe 4 are distributed on two sides of the bottom of the tank body 1, one end of the heat exchange medium inlet pipe 3 is provided with a flow inlet 301, and one end of the heat exchange medium return pipe 4 is provided with a return 401; the heat exchange tubes 2 have two groups, including a first coil 21 coiled clockwise and a second coil 22 coiled counterclockwise; the heat exchange medium inlet a211 and the heat exchange medium outlet a212 of the first coil 21 are respectively communicated with the heat exchange medium inlet pipe 3 and the heat exchange medium return pipe 4 at one side of the tank body 1, and the heat exchange medium inlet b221 and the heat exchange medium outlet b222 of the second coil 22 are respectively communicated with the heat exchange medium inlet pipe 3 and the heat exchange medium return pipe 4 at the other side of the tank body 1; the first coil pipes 21 and the second coil pipes 22 are equidistantly and alternately arranged on the same plane; the bottom of the tank body 1 is connected with a support 5; the heat exchange tube 2 is made of austenitic stainless steel.
Example 2: as shown in fig. 5 to 9, this embodiment is a further modification of embodiment 1, and the main modification is that the first coil 21 and the second coil 22 are arranged on adjacent planes which are equidistantly spaced for convenience of installation.
Otherwise, this embodiment is identical to embodiment 1, and a detailed description thereof is omitted.
The specific working principle of the utility model is as follows:
the magnesium-based hydrogen storage tank is arranged on a frame of a transport vehicle through a support 5 at the bottom of the tank body 1, and a plurality of coin-shaped magnesium-based alloys are filled from a filling opening 101; when hydrogen is absorbed, the heating oil circulation device is respectively connected with the inlet 301 and the reflux 401; heating oil enters the first coil 21 and the second coil 22 from two ports of the heat exchange medium inlet a211 and the heat exchange medium inlet b221 simultaneously, the heating oil synchronously flows clockwise and anticlockwise in the first coil 21 and the second coil 22, and when the heating oil heats to enable the magnesium-based alloy to reach the hydrogen absorption temperature, hydrogen enters the container from the gas inlet and outlet 102 and reacts with the high-temperature magnesium-based alloy to absorb hydrogen; similarly, when the heating oil is heated to make the magnesium-based alloy reach the hydrogen release temperature, hydrogen starts to be released, and the hydrogen is conveyed to the outside through the gas inlet and outlet 102.
The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A coiled magnesium-based hydrogen storage tank is characterized in that: comprises a tank body (1) and a heat exchange tube (2); a filling port (101) and an air inlet and outlet port (102) are arranged on the tank body (1), and a heat exchange medium inlet pipe (3) and a heat exchange medium return pipe (4) are arranged on the outer side of the tank body (1); the heat exchange tube (2) is spirally coiled in the tank body (1) in the circumferential direction, one end of the heat exchange tube (2) penetrates through the tank body (1) to be communicated with the heat exchange medium inlet tube (3), and the other end of the heat exchange tube (2) penetrates through the tank body (1) to be communicated with the heat exchange medium return tube (4).
2. The coiled magnesium-based hydrogen storage tank of claim 1, wherein: the heat exchange medium inlet pipe (3) and the heat exchange medium return pipe (4) are U-shaped, two sides of the heat exchange medium inlet pipe (3) and the heat exchange medium return pipe (4) are distributed on two sides of the bottom of the tank body (1), one end of the heat exchange medium inlet pipe (3) is provided with a water inlet (301), and one end of the heat exchange medium return pipe (4) is provided with a return port (401).
3. The coiled magnesium-based hydrogen storage tank of claim 2, wherein: the heat exchange tubes (2) are divided into two groups, and comprise a first coil (21) coiled clockwise and a second coil (22) coiled anticlockwise; the heat exchange medium inlet a (211) and the heat exchange medium outlet a (212) of the first coil (21) are respectively communicated with the heat exchange medium inlet pipe (3) and the heat exchange medium return pipe (4) at one side of the tank body (1), and the heat exchange medium inlet b (221) and the heat exchange medium outlet b (222) of the second coil (22) are communicated with the heat exchange medium inlet pipe (3) and the heat exchange medium return pipe (4) at the other side of the tank body (1).
4. A coiled magnesium-based hydrogen storage tank as claimed in claim 3, wherein: the first coil pipes (21) and the second coil pipes (22) are equidistantly and alternately arranged on the same plane.
5. A coiled magnesium-based hydrogen storage tank as claimed in claim 3, wherein: the first coil (21) and the second coil (22) are arranged on adjacent planes which are equidistantly spaced.
6. The coiled magnesium-based hydrogen storage tank of claim 1, wherein: the bottom of the tank body (1) is connected with a support (5).
7. A coiled magnesium-based hydrogen storage tank as defined in any of claims 1-6, wherein: the heat exchange tube (2) is made of austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320483743.3U CN219623792U (en) | 2023-03-14 | 2023-03-14 | Coiled magnesium-based hydrogen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320483743.3U CN219623792U (en) | 2023-03-14 | 2023-03-14 | Coiled magnesium-based hydrogen storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623792U true CN219623792U (en) | 2023-09-01 |
Family
ID=87793564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320483743.3U Active CN219623792U (en) | 2023-03-14 | 2023-03-14 | Coiled magnesium-based hydrogen storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623792U (en) |
-
2023
- 2023-03-14 CN CN202320483743.3U patent/CN219623792U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 223001 No.40, Chengxi Road, qingjiangpu District, Huai'an City, Jiangsu Province Patentee after: Jiangsu Kesheng Intelligent Equipment Co.,Ltd. Address before: 223001 No.40, Chengxi Road, qingjiangpu District, Huai'an City, Jiangsu Province Patentee before: JIANGSU KESHENG CHEMICAL MACHINERY Co.,Ltd. |