CN220116693U - Water tank and water electrolysis hydrogen production system - Google Patents
Water tank and water electrolysis hydrogen production system Download PDFInfo
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- CN220116693U CN220116693U CN202321610579.4U CN202321610579U CN220116693U CN 220116693 U CN220116693 U CN 220116693U CN 202321610579 U CN202321610579 U CN 202321610579U CN 220116693 U CN220116693 U CN 220116693U
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- water
- tank
- heat exchange
- exchange tube
- box body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 228
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 71
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000001257 hydrogen Substances 0.000 title claims abstract description 68
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 68
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 55
- 239000003792 electrolyte Substances 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 238000004321 preservation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a water tank and water electrolysis hydrogen production equipment, wherein the water tank comprises: a box body and a heat exchange tube. The box body comprises a water inlet, a water outlet and a through hole, wherein the water inlet is close to or is positioned at the top of the box body and is communicated with the box body, the water inlet is used for inputting water into the box body, the water outlet is arranged on the box body and is communicated with the box body, the water outlet is used for discharging water in the box body, and the through hole is positioned on the box body and is communicated with the inside and the outside of the box body. At least a portion of the heat exchange tube is positioned in the tank for flowing a liquid therethrough to exchange heat between the heat exchange tube and water in the tank and to heat the water in the tank. Through the liquid in the heat exchange tube and the water in the box body are subjected to heat exchange, the water in the box body is prevented from icing, heating equipment is not required to be additionally arranged, the temperature of the heated water is close to the temperature of electrolyte in the water electrolysis hydrogen production equipment, the reduction of the electrolysis efficiency of the water electrolysis hydrogen production equipment and the increase of the electricity consumption can be avoided, and meanwhile, the cooling water consumption of an electrolyte cooler can be reduced, so that the cost of water electrolysis hydrogen production is reduced.
Description
Technical Field
The utility model relates to the technical field of water electrolysis hydrogen production, in particular to a water tank and a water electrolysis hydrogen production system.
Background
The water electrolysis hydrogen production is a chemical reaction for decomposing water into hydrogen and oxygen by utilizing electric energy, and has the advantages of environmental protection, reproducibility and the like. In the process of water electrolysis hydrogen production, a large amount of water is consumed, and the water is required to be supplemented for the water electrolysis hydrogen production device, and one or more water tanks are generally arranged at the front end of the water electrolysis hydrogen production device for storing water used in a certain time in consideration of water supplementing stability.
However, in cold areas, the temperature of the water tank is lower than 0 ℃ in some cases, and water in the tank can be frozen. On one hand, the water electrolysis hydrogen production equipment cannot timely obtain water replenishment, so that the water electrolysis hydrogen production equipment is stopped in an alarm manner, and production is affected. On the other hand, if the low-temperature water enters the water electrolysis hydrogen production equipment and is not fully mixed with other electrolyte, the temperature of the electrolytic tank is not uniform, the electrolysis efficiency is affected, and the energy consumption is increased. In the prior art, in order to prevent water in the box body from icing, an electric heating device is generally arranged, and the water tank is electrified according to the temperature of the water in the box body, so that a large amount of electric energy is consumed, and the production cost is increased.
When the electrolytic tank device runs, certain heat can be generated, and the electrolytic hydrogen production device can be damaged when the temperature is too high, so that the electrolytic hydrogen production device needs to be provided with an electrolyte cooler, and the temperature of the electrolyte is controlled by using cooling water, and a large amount of cooling water is needed.
The existing water tank is required to be added with heating equipment for freezing prevention, the electrolyte of the electrolytic tank is required to be cooled by external cooling water, and if low-temperature water enters the water electrolysis hydrogen production equipment and is not fully mixed with other electrolytic tanks, the temperature of the electrolytic tank is easy to be uneven, the electrolytic efficiency is reduced, and the power consumption is increased.
Thus, improvements are needed for existing water tanks.
Disclosure of Invention
The utility model aims to provide a water tank and a water electrolysis hydrogen production system, wherein liquid in a heat exchange tube can exchange heat with water in the tank body, so that the water in the tank body is heated and the liquid in the heat exchange tube is cooled, the water in the tank body is prevented from freezing, heating equipment is not required to be additionally arranged, the electricity consumption of the heating equipment is saved, the heated water enters the water electrolysis hydrogen production equipment, the electrolysis efficiency of the water electrolysis hydrogen production equipment is prevented from being reduced, the electricity consumption is increased, the cooling water consumption of an electrolyte cooler is reduced, and the cost of water electrolysis hydrogen production is reduced.
The utility model adopts the following technical scheme:
a water tank, comprising:
the water inlet is close to or is positioned at the top of the box body and is communicated with the box body, the water inlet is used for inputting water into the box body, the water outlet is formed in the box body and is communicated with the box body, the water outlet is used for discharging water in the box body, and the through hole is formed in the box body and is communicated with the inside and the outside of the box body;
a heat exchange tube, at least a portion of which is located in the tank, for passing a liquid therethrough to exchange heat between the heat exchange tube and water in the tank and heat the water in the tank;
the number of the through holes is two, the heat exchange tube is provided with two openings, the two openings of the heat exchange tube respectively pass through one through hole in a sealing mode, one opening of the heat exchange tube is used for allowing liquid to flow in, and the other opening of the heat exchange tube is used for allowing liquid to flow out.
Preferably, the heat exchange tube further comprises a curved section between the two openings, at least part of the curved section being submerged in the water in the tank.
Preferably, the curved section is one or more of helical, S-shaped and vortex-shaped.
Preferably, the liquid in the heat exchange tube is electrolyte discharged by the water electrolysis hydrogen production equipment, one opening of the heat exchange tube is connected with the water electrolysis hydrogen production equipment through a pipeline so that the electrolyte flows into the heat exchange tube, and the other opening of the heat exchange tube is connected with the electrolyte cooler through a pipeline so that the electrolyte flows into the electrolyte cooler.
Preferably, the heat exchange tube is made of a material with high heat conductivity.
Preferably, the box body further comprises a drain outlet, and the drain outlet is close to or positioned at the bottom of the box body and communicated with the box body.
Preferably, the water outlet is positioned below 1/2 of the height of the box body.
Preferably, the water tank further comprises a circulation device for circulating water in the tank.
Preferably, the water tank further comprises a temperature sensor, a water level sensor and a controller, wherein the temperature sensor is connected in the tank body and used for acquiring water temperature in the tank body, the water level sensor is connected in the tank body and used for acquiring water level in the tank body, and the controller is electrically connected with the temperature sensor and the water level sensor.
A water and electrolyte hydrogen production system comprising a water and electrolyte hydrogen production device, an electrolyte cooler and a water tank as claimed in any one of the above, wherein the electrolyte discharged from the water and electrolyte hydrogen production device flows into the heat exchange tube, and the electrolyte discharged from the heat exchange tube flows into the water and electrolyte hydrogen production device or the electrolyte cooler.
Compared with the prior art, the utility model has the beneficial effects that at least:
according to the water tank and the water electrolysis hydrogen production system, the heat exchange tube is arranged in the tank body, the liquid in the heat exchange tube can exchange heat with the water in the tank body, the high-temperature liquid in the heat exchange tube can heat the water in the tank body, the water in the tank body can cool the high-temperature liquid in the heat exchange tube, so that the water in the tank body can be prevented from freezing, heating equipment is not required to be additionally arranged, electricity consumption of the heating equipment is saved, the temperature of the heated water is close to that of the electrolyte in the water electrolysis hydrogen production equipment, when the heated water enters the water electrolysis hydrogen production equipment, the reduction of the electrolysis efficiency of the water electrolysis hydrogen production equipment and the increase of the electricity consumption can be avoided, and meanwhile, the cooling water consumption of the electrolyte cooler can be reduced, so that the cost of water electrolysis hydrogen production is reduced.
Drawings
Fig. 1 is a front view of a water tank according to an embodiment of the present utility model.
Fig. 2 is a top view of a water tank according to an embodiment of the present utility model.
FIG. 3 is a schematic diagram of a water electrolysis hydrogen production system in accordance with an embodiment of the present utility model.
In the figure: 100. a water tank; 1. a case; 10. a water inlet; 11. a water outlet; 12. a through hole; 13. a sewage outlet; 14. a top end; 15. a bottom; 2. a heat exchange tube; 20. an opening; 21. a curved section; 200. a water electrolysis hydrogen production device; 300. an electrolyte cooler.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The words expressing the positions and directions described in the present utility model are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present utility model.
Referring to fig. 1 to 2, the present utility model provides a water tank 100 including: the heat exchange device comprises a box body 1 and a heat exchange tube 2, wherein at least a part of the heat exchange tube 2 is arranged in the box body 1.
Specifically, the tank 1 includes a water inlet 10, a water outlet 11 and a through hole 12, the water inlet 10 is near or located at the top of the tank 1 and is communicated with the tank 1, the water inlet 10 is used for inputting water into the tank 1, and when the water level in the tank 1 is too low, water is injected into the tank 1 through the water inlet 10 so as to ensure that enough water is kept in the tank 1. The water outlet 11 is positioned on the box body 1 and communicated with the box body 1, the water outlet 11 is used for discharging water in the box body 1, the water outlet 11 is connected with the water electrolysis hydrogen production equipment 200 through a pipeline, the water is used as raw material for water electrolysis hydrogen production, and the water in the box body 1 is injected into the water electrolysis hydrogen production equipment 200 through the water outlet 11 so as to ensure that the water electrolysis hydrogen production equipment 200 operates normally. The through hole 12 is positioned on the box body 1 and communicates the inside and the outside of the box body 1.
The shape of the case 1 may be rectangular parallelepiped, cylindrical, or the like, and in this embodiment, the top end 14 and the bottom 15 of the case 1 are substantially hemispherical, and the middle portion of the case 1 is substantially cylindrical. The material of box 1 is the corrosion-resistant material of preference, prevents that box 1 from receiving corrosion damage to ensure that box 1 can steady operation, also can prolong the life of box 1, avoid influencing the normal operating of water electrolysis hydrogen manufacturing equipment 200 because of frequent maintenance box 1. The outer surface of the box body 1 can be provided with a heat preservation circulating device (not shown), the heat preservation can freeze water in the box body 1 to a certain extent in a mode, the water electrolysis hydrogen production equipment 200 can be guaranteed to be supplemented with water in time, and the influence on production caused by alarm and parking due to water shortage of the water electrolysis hydrogen production equipment 200 is avoided. In the hydrogen production process, the temperature of water has a certain influence on the electrolytic reaction, and the heat insulation layer can also reduce the sensitivity to the external temperature change and improve the temperature stability of the water, so that the stability of the hydrogen production efficiency of the water electrolysis hydrogen production equipment 200 is ensured. By improving the temperature stability of water tank 100, the thermal insulation layer can also extend the preservation time of water quality, especially in some areas with severe environmental conditions, and can ensure the safety and long-term storage of water quality.
At least a portion of the heat exchange tube 2 is located within the tank 1 for passing a liquid therethrough to exchange heat between the heat exchange tube 2 and water within the tank 1 and to heat the water within the tank 1. The liquid in the heat exchange tube 2 is, for example, an electrolyte, and the electrolyte is a high-temperature electrolyte flowing out from the inside of the electrolytic cell. When the high-temperature electrolyte flows in from one end of the heat exchange tube 2, the high-temperature electrolyte heats the water in the box 1 through the heat exchange tube 2, meanwhile, the high-temperature electrolyte in the heat exchange tube 2 can be cooled, and the cooled electrolyte flows into the electrolyte cooler 300 or the water electrolysis hydrogen production equipment 200 from the other end of the heat exchange tube 2.
The heat exchange tube 2 is preferably made of a material having a high thermal conductivity, for example, stainless steel, copper, aluminum, titanium, or the like. The heat exchange tube 2 with high heat conductivity can quickly transfer the heat of the high-temperature electrolyte to water, so that on one hand, the water temperature is improved, the water in the box body 1 can be prevented from freezing, the electrolysis efficiency of the water electrolysis hydrogen production equipment 200 can be improved, on the other hand, the temperature of the electrolyte is quickly reduced, and the cooling water consumption of the electrolyte cooler 300 is further reduced.
Therefore, the water tank 100 of the utility model can exchange heat with water in the tank body 1 through the liquid in the heat exchange tube 2, the high-temperature electrolyte in the heat exchange tube 2 can heat the water in the tank body 1, the water in the tank body 1 can cool the high-temperature electrolyte in the heat exchange tube 2, thus the water in the tank body 1 can be prevented from freezing, no additional heating equipment is needed, the electricity consumption of the heating equipment is saved, the temperature of the heated water is close to the temperature of the electrolyte in the water electrolysis hydrogen production equipment 200, when the heated water enters the water electrolysis hydrogen production equipment 200, the reduction of the electrolysis efficiency of the water electrolysis hydrogen production equipment 200 and the increase of the electricity consumption can be avoided, and meanwhile, the cooling water consumption of the electrolyte cooler 300 can be reduced, thereby further reducing the cost of water electrolysis hydrogen production.
In a specific embodiment, the number of through holes 12 is two, one through hole 12 is located at a side near the bottom 15 of the case 1, the other through hole 12 is located at a side near the top 14 of the case 1, the heat exchange tube 2 has two openings 20, the two openings 20 of the heat exchange tube 2 are respectively sealed through the one through hole 12, one opening 20 of the heat exchange tube 2 is used for liquid inflow, and the other opening 20 of the heat exchange tube 2 is used for liquid outflow. Specifically, one opening 20 of the heat exchange tube 2 is connected to the water electrolysis hydrogen production apparatus 200 through a pipe so that the electrolyte flows into the heat exchange tube 2, and the other opening 20 of the heat exchange tube 2 is connected to the electrolyte cooler 300 through a pipe so that the electrolyte flows into the electrolyte cooler 300.
The heat exchange tube 2 may further include a curved section 21 between the two openings 20, at least a portion of the curved section 21 being immersed in the water within the tank 1, the curved section 21 may be one or more of a spiral type, an S-type, and a vortex type. The bending section 21 can prolong the length of the heat exchange tube 2, further prolong the flow path of the electrolyte in the heat exchange tube 2, and further reduce the temperature of the electrolyte by prolonging the heat exchange time between the electrolyte and the water in the box body 1, thereby reducing the cooling water consumption of the electrolyte cooler 300.
The tank 1 may also include a drain 13, the drain 13 being located near or at the bottom 15 of the tank 1 and communicating with the tank 1. As water tank 100 is used for a long period of time, some water-insoluble impurities and precipitates gradually deposit on bottom 15 of water tank 100. If not cleaned for a long period of time, such fouling can affect the water quality and thus the electrolytic efficiency of the water electrolysis hydrogen production apparatus 200. The sewage outlet 13 can timely discharge dirt at the bottom 15 of the water tank 100, so as to ensure the cleaning of water quality. Drain 13 may also be used to drain water, preventing water tank 100 from becoming too high in water level or other anomalies due to unavoidable contaminants and other impurities. When there are factors such as unstable pressure and temperature inside the tank 1, the water tank 100 may be exploded, with serious consequences. Drain 13 may provide a safe drain for water tank 100 to relieve pressure, prevent explosion, and other safety concerns.
The water outlet 11 is preferably located below 1/2 of the height of the tank 1. When the water in the box body 1 is used for hydrogen production, the water level of the water tank 100 can drop, the water outlet 11 is arranged below 1/2 of the height of the box body 1, and the situation that the water outlet 11 is exposed out of the water surface, so that the water electrolysis hydrogen production equipment 200 can not timely obtain water to supplement the water, alarm and stop can be avoided, and production is influenced.
In a specific embodiment, the water tank 100 may further include a circulation device (not shown) for circulating water in the tank 1. The circulation device can prevent water in the box body 1 from freezing, and can uniformly stir water with higher temperature near the heat exchange tube 2 and water with lower temperature at other positions to ensure uniform water temperature in the box body 1, so that the stability of hydrogen production efficiency of the water electrolysis hydrogen production equipment 200 is ensured, the speed of reducing the temperature of the electrolyte is increased, and the cooling water consumption of the electrolyte cooler 300 is further reduced
In one embodiment, the water tank 100 may further include a temperature sensor circulation device (not shown), a water level sensor circulation device (not shown), and a controller circulation device (not shown), the temperature sensor being connected in the tank 1 for obtaining the water temperature in the tank 1, the water level sensor being connected in the tank 1 for obtaining the water level in the tank 1, and the controller being electrically connected to the temperature sensor and the water level sensor. When the water level in the tank 1 is too low, the controller can control the water inlet 10 to supplement water.
Referring to fig. 3, the present utility model also provides a water and electrolyte hydrogen production system including the water and electrolyte hydrogen production apparatus 200, the electrolyte cooler 300, and the water tank 100 described above, the electrolyte discharged from the water and electrolyte hydrogen production apparatus 200 flowing into the heat exchange pipe 2, the electrolyte discharged from the heat exchange pipe 2 flowing into the water and electrolyte hydrogen production apparatus 200 or the electrolyte cooler 300.
While embodiments of the present utility model have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the utility model, all such changes being within the scope of the appended claims.
Claims (10)
1. A water tank, comprising:
the water inlet is close to or is positioned at the top of the box body and is communicated with the box body, the water inlet is used for inputting water into the box body, the water outlet is formed in the box body and is communicated with the box body, the water outlet is used for discharging water in the box body, and the through hole is formed in the box body and is communicated with the inside and the outside of the box body;
a heat exchange tube, at least a portion of which is located in the tank, for passing a liquid therethrough to exchange heat between the heat exchange tube and water in the tank and heat the water in the tank;
the number of the through holes is two, the heat exchange tube is provided with two openings, the two openings of the heat exchange tube respectively pass through one through hole in a sealing mode, one opening of the heat exchange tube is used for allowing liquid to flow in, and the other opening of the heat exchange tube is used for allowing liquid to flow out.
2. The tank of claim 1 wherein the heat exchange tube further comprises a curved section between the two openings, at least a portion of the curved section being submerged in the water within the tank.
3. The tank of claim 2, wherein the curved section is one or more of helical, S-shaped, and scroll-shaped.
4. The water tank of claim 1, wherein the liquid in the heat exchange tube is electrolyte discharged from a water electrolysis hydrogen production device, one opening of the heat exchange tube is connected with the water electrolysis hydrogen production device through a pipe so that the electrolyte flows into the heat exchange tube, and the other opening of the heat exchange tube is connected with an electrolyte cooler through a pipe so that the electrolyte flows into the electrolyte cooler.
5. The water tank of claim 1, wherein the heat exchange tube is made of a material having a high thermal conductivity.
6. The tank of claim 1, wherein the tank further comprises a drain port near or at the bottom of the tank and communicating with the tank.
7. The tank of claim 1, wherein the water outlet is located below 1/2 of the height of the tank.
8. The water tank of claim 1, further comprising a circulation device for circulating water within the tank.
9. The water tank of claim 1, further comprising a temperature sensor connected within the tank for acquiring a water temperature within the tank, a water level sensor connected within the tank for acquiring a water level within the tank, and a controller electrically connected to the temperature sensor and the water level sensor.
10. A water and electrolyte hydrogen production system, characterized by comprising a water and electrolyte hydrogen production device, an electrolyte cooler and a water tank as claimed in any one of claims 1 to 9, wherein the electrolyte discharged from the water and electrolyte hydrogen production device flows into the heat exchange tube, and the electrolyte discharged from the heat exchange tube flows into the water and electrolyte hydrogen production device or the electrolyte cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610579.4U CN220116693U (en) | 2023-06-25 | 2023-06-25 | Water tank and water electrolysis hydrogen production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610579.4U CN220116693U (en) | 2023-06-25 | 2023-06-25 | Water tank and water electrolysis hydrogen production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116693U true CN220116693U (en) | 2023-12-01 |
Family
ID=88914567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321610579.4U Active CN220116693U (en) | 2023-06-25 | 2023-06-25 | Water tank and water electrolysis hydrogen production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116693U (en) |
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2023
- 2023-06-25 CN CN202321610579.4U patent/CN220116693U/en active Active
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