CN221526292U - Solid-state hydrogen storage device with multiple heat exchange channels - Google Patents
Solid-state hydrogen storage device with multiple heat exchange channels Download PDFInfo
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- CN221526292U CN221526292U CN202323337356.8U CN202323337356U CN221526292U CN 221526292 U CN221526292 U CN 221526292U CN 202323337356 U CN202323337356 U CN 202323337356U CN 221526292 U CN221526292 U CN 221526292U
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- heat exchange
- hydrogen storage
- heat
- storage device
- fluid cavity
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 183
- 239000001257 hydrogen Substances 0.000 title claims abstract description 183
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 238000003860 storage Methods 0.000 title claims abstract description 86
- 239000011232 storage material Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000012530 fluid Substances 0.000 claims abstract description 50
- 238000005192 partition Methods 0.000 claims abstract description 43
- 239000007787 solid Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 25
- 229910045601 alloy Inorganic materials 0.000 description 19
- 239000000956 alloy Substances 0.000 description 19
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 150000004681 metal hydrides Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a solid-state hydrogen storage device with multiple heat exchange channels, which comprises a tank body and a busbar, wherein a first water inlet and a first water outlet are respectively arranged on two sides of the tank body, a first partition board and a second partition board which are arranged at intervals are arranged in the tank body, a first fluid cavity communicated with the first water inlet, a second fluid cavity communicated with the first water outlet and a hydrogen storage cavity are formed, a hydrogen storage material is filled in the hydrogen storage cavity, a plurality of heat exchange pipes which are arranged at intervals are arranged in the hydrogen storage cavity, the first partition board and the second partition board are respectively provided with a plurality of second water inlets which are connected with the water inlets of the heat exchange pipes and a plurality of second water outlets which are connected with the water outlets of the heat exchange pipes, each heat exchange pipe is sleeved with at least 1 heat conducting sheet to form heat conduction, and the heat exchange of the heat exchange channels is formed through the heat exchange pipes and the heat conducting sheets in the hydrogen storage material, so that the hydrogen absorption and the hydrogen release rates and the corresponding response time of the hydrogen storage material are ensured.
Description
Technical Field
The utility model relates to the technical field of solid-state hydrogen storage equipment, in particular to a solid-state hydrogen storage device with multiple heat exchange channels.
Background
Hydrogen is used as an important industrial raw material and a clean energy source, and is widely applied to industries such as petrochemical industry, electronics, metallurgy and the like, and the main hydrogen storage modes comprise high-pressure gaseous hydrogen storage, low-temperature liquid hydrogen storage and solid hydrogen storage.
The solid hydrogen storage is to absorb and release hydrogen by utilizing the hydrogen storage alloy, the hydrogen is generally stored in a solid hydrogen storage container in the form of metal hydride, and the hydrogen absorption and release process of the solid hydrogen storage alloy (namely a hydrogen storage material) represented by the metal hydride is a chemical reaction process, and is accompanied by huge thermal effects, namely heat release during hydrogen absorption and heat absorption during hydrogen release.
When the solid hydrogen storage alloy absorbs hydrogen and releases heat, if the released heat cannot be cooled in time, the hydrogen absorption equilibrium pressure of the solid hydrogen storage alloy is increased, so that the hydrogen absorption rate is reduced until the hydrogen absorption is stopped; when the solid hydrogen storage alloy releases hydrogen to absorb heat, if the solid hydrogen storage alloy cannot be heated in time to supply the required heat, the hydrogen release equilibrium pressure of the solid hydrogen storage alloy is reduced, so that the hydrogen release rate is reduced until the hydrogen release is stopped.
The existing part of solid-state hydrogen storage devices are only provided with heat exchange units (such as spiral heat exchange tubes), and the heat cannot be timely conducted to the heat exchange units to exchange heat, so that the local temperature of the solid-state hydrogen storage alloy is too high or too low.
In addition, part of the solid-state hydrogen storage devices are only provided with heat conduction units (such as heat conduction metal sheets), and cannot actively heat or cool the solid-state hydrogen storage alloy, so that the hydrogen absorption and desorption rates and response time of the solid-state hydrogen storage alloy are seriously influenced.
In addition, although some solid-state hydrogen storage devices are provided with simple heat exchange units and heat conduction units, the positions of the heat exchange units and the heat conduction units in the solid-state hydrogen storage alloy are unreasonable, so that the heat exchange units and the heat conduction units cannot be provided in different areas of the solid-state hydrogen storage alloy, and the absorption and desorption rates and the response time of the solid-state hydrogen storage alloy are affected to a certain extent.
Disclosure of utility model
Therefore, the present utility model provides a solid-state hydrogen storage device with multiple heat exchange channels to ensure that each different area of the hydrogen storage material is provided with a heat exchange tube and a heat conducting fin, thereby ensuring the hydrogen absorption and desorption rates and response time of the hydrogen storage material.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
The utility model provides a solid-state hydrogen storage device with many heat transfer channels, includes the jar body that is used for storing up hydrogen and inserts and locate busbar in the jar body, first water inlet and first delivery port have been seted up respectively to the both sides of jar body, first water inlet is used for external heat transfer medium, first delivery port is used for discharging heat transfer medium, be provided with first baffle and the second baffle that the interval set up in the jar body to form first fluid chamber, second fluid chamber and be located first fluid chamber and second fluid chamber between and be the hydrogen storage cavity that the interval set up, first water inlet intercommunication first fluid chamber, first delivery port intercommunication second fluid chamber; the hydrogen storage cavity is filled with a hydrogen storage material, a plurality of heat exchange tubes arranged at intervals are arranged in the hydrogen storage material, a plurality of second water inlets and second water outlets matched with the heat exchange tubes are respectively formed in the first partition plate and the second partition plate, the water inlets of the heat exchange tubes are connected with the second water inlets of the first partition plates, and the water outlets of the heat exchange tubes are connected with the second water outlets of the second partition plates; at least 1 heat conducting fin is sleeved on each heat exchange tube respectively, so that heat conduction is formed between the heat exchange tubes and the heat conducting fins.
Further, the heat conducting fin is a folded linear fin.
Further, the heat conducting fin is an aluminum heat conducting fin, a copper heat conducting fin, an aluminum alloy heat conducting fin, a copper alloy heat conducting fin or a copper aluminum alloy heat conducting fin.
Further, the heat exchange tube is a metal tube.
Further, the first separator is a stainless steel plate; the second separator is a stainless steel plate.
Further, the first partition plate and the second partition plate are arranged in parallel, and four sides of the first partition plate and the second partition plate are respectively fixed on the inner wall of the tank body through welding.
Further, the first fluid cavity and the second fluid cavity are symmetrically arranged, and the volumes of the hydrogen storage cavities are respectively larger than those of the first fluid cavity and the second fluid cavity.
Further, the plurality of heat exchange tubes are arranged in parallel along the transverse direction or the longitudinal direction of the tank body, and the plurality of heat conducting fins are arranged in parallel along the transverse direction or the longitudinal direction of the tank body.
Further, one end of the bus bar, which is positioned outside the tank body, is provided with a valve for controlling the hydrogen switch, and a filter head is arranged inside the valve.
Further, the filter head is a porous metal tube formed by powder metallurgy.
The technical scheme provided by the utility model has the following beneficial effects:
The first partition plate and the second partition plate are arranged at intervals in the tank body, so that a first fluid cavity and a second fluid cavity for heat exchange medium circulation and a hydrogen storage cavity which is located between the first fluid cavity and the second fluid cavity and is arranged at intervals are formed in the tank body.
And then a plurality of heat exchange pipes arranged at intervals and a plurality of heat exchange pipes are arranged in the hydrogen storage material to connect the first fluid cavity and the second fluid cavity together so as to realize that the heat exchange pipes are distributed at multiple positions or multiple points in the hydrogen storage material, and each heat exchange pipe is respectively sleeved with at least 1 heat conducting fin so as to form heat conduction between the heat exchange pipes and the heat conducting fins, so that a plurality of heat exchange channels or heat exchange channels are formed, heat exchange of the plurality of heat exchange channels is realized, active heating or cooling is realized, the channel number of the heat exchange channels or the heat exchange channels in the hydrogen storage material is increased, the uniformity of real-time temperature corresponding to each region of the hydrogen storage material is realized, the hydrogen absorption balance pressure of the hydrogen storage material in the hydrogen storage cavity in the hydrogen absorption and release processes is ensured to be stabilized within a specification range, and the hydrogen absorption and release rates and the corresponding response time of the hydrogen storage material are ensured.
Drawings
FIG. 1 is a cross-sectional view of a first perspective of a solid state hydrogen storage device having multiple heat exchange channels according to an embodiment;
FIG. 2 is a cross-sectional view of a second view of a solid state hydrogen storage device having multiple heat exchange channels according to an embodiment;
FIG. 3 is a cross-sectional view of a third view of a solid state hydrogen storage device having multiple heat exchange channels according to an embodiment.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The utility model will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 3, this embodiment provides a solid-state hydrogen storage device (hereinafter referred to as solid-state hydrogen storage device) with multiple heat exchange channels, the solid-state hydrogen storage device includes a tank body 4 for storing hydrogen and a busbar 3 inserted in the tank body 4, a first water inlet 12 and a first water outlet 15 are respectively provided at two sides of the tank body 4, the first water inlet 12 is used for externally connecting heat exchange medium, the first water outlet 15 is used for discharging heat exchange medium, a first partition 9 and a second partition 10 are arranged in the tank body 4 at intervals, a first fluid chamber 17, a second fluid chamber 18 and a hydrogen storage chamber 19 which is located between the first fluid chamber 17 and the second fluid chamber 18 and is arranged at intervals are formed in the tank body 4, the first water inlet 12 is communicated with the first fluid chamber 17, the first water outlet 15 is communicated with the second fluid chamber 18, hydrogen storage materials are filled in the hydrogen storage chamber 19, a plurality of heat exchange tubes 8 are arranged in the hydrogen storage materials at intervals, the first partition 9 and the second partition 10 are respectively provided with a plurality of second water inlets and second water outlets matched with the second heat exchange tubes 8, the second partition 10 are respectively, the first partition 9 and the second partition 8 are connected with the second heat exchange tubes 8, the second partition 8 are connected with the second heat exchange tubes 7, and each heat exchange tube 8 is provided with the second heat exchange tube 8, and each heat exchange tube is connected with the second partition 7, and the heat exchange tube 7 is provided with the heat exchange tube 7.
In this embodiment, the hydrogen storage material is a rare earth AB5 hydrogen storage alloy, and is uniformly filled in the hydrogen storage cavity 19 in the tank 4.
The first separator 9 is a stainless steel plate, and the second separator 10 is a stainless steel plate, so that certain heat exchange and heat conduction are formed between the first separator 9 and the second separator 10 with good heat conductivity and the hydrogen storage materials respectively, and then the heat exchange and the heat conduction are carried out to heat exchange media respectively positioned in the first separator 9 and the second separator 10.
The first separator 9 located at the left side is matched with the left side wall of the tank body 4 to form a first fluid cavity 17, the second separator 10 located at the right side is matched with the right side wall of the tank body 4 to form a second fluid cavity 18, so that the first fluid cavity 17 and the second fluid cavity 18 for heat exchange medium circulation are formed in the tank body 4, and a hydrogen storage cavity 19 is located between the first fluid cavity 17 and the second fluid cavity 18 and is arranged at intervals.
The first water inlet 12 is correspondingly positioned at the left side of the tank body 4, the first water outlet 15 is correspondingly positioned at the right side of the tank body 4, and the height of the first water outlet 15 is larger than that of the first water inlet 12, so that the heat medium is beneficial to gradually filling the first fluid cavity 17, the second fluid cavity 18 and the pipeline of the heat exchange tube 8.
The heat exchange tube 8 is a metal tube made of stainless steel, so as to ensure that the tube wall of the heat exchange tube 8 has good heat conductivity, heat resistance and hydrogen embrittlement corrosion resistance, in addition, the heat exchange medium is cooling water or hot water, the first water inlet 12 of the tank body 4 is used for pumping in an external heat exchange medium, the first water outlet 15 of the tank body 4 is used for recovering the heat exchange medium which has completed heat exchange, and the corresponding cooling water or hot water is pumped in according to the hydrogen storage material in a hydrogen absorption state or a hydrogen release state.
The heat exchange medium is indirectly exchanged with the hydrogen storage material through the pipe walls of the heat exchange pipes 8, the plurality of heat exchange pipes 8 and the heat conducting fins 7 matched with the plurality of heat exchange pipes 8 extend into and are distributed in a plurality of different areas of the hydrogen storage material, namely, the heat conducting parts of the heat conducting fins 7 are distributed around each heat exchange pipe 8 to be matched with the hydrogen storage material around each heat exchange pipe 8 so as to form the minimum hydrogen storage module, so that the minimum hydrogen storage module is correspondingly arranged in each different area in the hydrogen storage cavity 19, the heat exchange pipes 8 and the heat conducting fins 7 of each minimum hydrogen storage module in the hydrogen storage cavity 19 form a plurality of heat exchange channels or heat exchange channels, the direct contact area between the heat exchange pipes 8 and the heat conducting fins 7 of each minimum hydrogen storage module and the hydrogen storage material is effectively increased, the heat conduction area is effectively increased, so that the heat conduction time is effectively shortened, heat in each area of the hydrogen storage material is further rapidly exchanged with heat exchange medium in the heat exchange tube 8, heat conduction is realized, heating or cooling of different areas of the hydrogen storage material is realized, local overheat or too low temperature of the hydrogen storage material is prevented, the response rate of cooling or heating of the hydrogen storage material is accelerated, the corresponding response time is shortened, the heat exchange efficiency of the solid hydrogen storage device is further effectively improved, and the hydrogen absorption balance pressure of the hydrogen storage material in the hydrogen storage cavity 19 in the hydrogen absorption and release processes is effectively prevented from being damaged or influenced, so that the normal operation of the solid hydrogen storage device is ensured.
When the solid-state hydrogen storage device needs to absorb hydrogen, cooling water is pumped in from the first water inlet 12, and heat exchange and heat conduction are carried out between the cooling water, the heat exchange tube 8, the heat conducting fin 7 and the hydrogen storage material so as to overcome the heat release of the hydrogen absorption of the hydrogen storage material, thereby realizing rapid cooling of the hydrogen storage material and promoting the hydrogen absorption of the solid-state hydrogen storage device.
When the solid-state hydrogen storage device needs to release hydrogen, hot water is pumped in from the first water inlet 12, and heat exchange and heat conduction are carried out between the hot water, the heat exchange tube 8, the heat conducting fin 7 and the hydrogen storage material, so that the rapid temperature rise of the hydrogen storage material is realized, the heat absorption of the hydrogen storage material is overcome, and the temperature of the hydrogen storage material is kept within a preset range, so that the hydrogen release of the solid-state hydrogen storage device is promoted.
The heat exchange tubes 8 and the heat exchange tubes 8 are arranged in the hydrogen storage material at intervals, the first fluid cavity 17 and the second fluid cavity 18 are connected together to realize multi-position distribution or multi-point distribution of the heat exchange tubes 8 in the hydrogen storage material, and each heat exchange tube 8 is respectively sleeved with the heat conducting fin 7 to realize heat conduction between the heat exchange tube 8 and the heat conducting fin 7 so as to form a plurality of heat exchange channels or heat exchange channels, so that heat exchange of the plurality of heat exchange channels is realized, active heating or cooling is realized, the channel number of the heat exchange channels or the heat exchange channels in the hydrogen storage material is increased, the uniformity of real-time temperature corresponding to each region of the hydrogen storage material is realized, the equilibrium pressure of hydrogen storage material in the hydrogen storage cavity 19 in the hydrogen absorption and release process is ensured to be stable within a specification range, and the hydrogen absorption and release rate and the corresponding response time of the hydrogen storage material are ensured.
Of course, in other embodiments, the number of the heat conducting fins 7 may be 2 or 3 or more, and the plurality of heat conducting fins 7 may be distributed along the fixed extending direction of the heat exchange tube 8.
The hydrogen storage material can be one or more of titanium AB2 type hydrogen storage alloy, titanium AB type hydrogen storage alloy or magnesium-based hydrogen storage alloy.
The heat exchange medium may be cooling oil or hot oil, and the heat exchange tube 8 may be a nickel-based alloy tube, which will not be described in detail herein.
In another preferred embodiment, the thermally conductive sheet 7 is a folded-line shaped fin.
In specific implementation, the heat conducting fin 7 is a copper heat conducting fin, the tube body of the heat exchange tube 8 passes through a plurality of fold line parts of the heat conducting fin 7, the fold line parts of the heat conducting fin 7 are fixedly connected with the outer wall of the tube body of the heat exchange tube 8 respectively through welding, and good heat conduction is realized between the heat conducting fin 7 and the heat exchange tube 8, and the fold line parts of the heat conducting fin 7 are the heat conducting parts of the heat conducting fin 7.
The heat conducting fin 7 with the fold-line structure is matched with the heat exchange tube 8 so as to divide the hydrogen storage material into a plurality of interval areas which are arranged at intervals, so that the contact area between the heat conducting fin 7 and the hydrogen storage material is increased, the heat conduction time or the heat exchange time between the heat exchange medium and the hydrogen storage material in the hydrogen storage cavity 19 is effectively shortened, the hydrogen storage material in the hydrogen storage cavity 19 is heated or cooled more quickly, and further the absorption and release rates of the solid hydrogen storage device are further accelerated, and the response time of absorption and release is shortened.
It is further preferable that the plurality of heat exchange tubes 8 are juxtaposed in the lateral direction of the tank 4, and the plurality of heat conductive fins 7 are juxtaposed in the lateral direction of the tank 4, so as to achieve an equidistant uniform distribution of the heat exchange tubes 8 and the corresponding heat conductive fins 7 in the hydrogen storage material.
Of course, in other embodiments, the cross-sectional shape of the heat conducting fin 7 may be wavy or spiral, etc.; the heat conductive sheet 7 may be an aluminum fin, an aluminum alloy fin, a copper alloy fin, or a copper aluminum alloy fin.
The plurality of heat exchange tubes 8 may be arranged in parallel in the longitudinal direction of the tank 4, and the plurality of heat conductive fins 7 may be arranged in parallel in the longitudinal direction of the tank 4, which will not be described in detail.
In another preferred embodiment, the first separator 9 and the second separator 10 are disposed in parallel with each other, and four sides of the first separator 9 and the second separator 10 are respectively fixed to the inner wall of the tank 4 by welding to divide the inner cavity of the tank 4 into 3 chambers disposed at intervals, namely, a first fluid chamber 17, a second fluid chamber 18, and a hydrogen storage chamber 19.
In this embodiment, the first fluid chamber 17 and the second fluid chamber 18 are symmetrically disposed, and the volume of the hydrogen storage chamber 19 is larger than the volumes of the first fluid chamber 17 and the second fluid chamber 18, respectively, so as to ensure that the hydrogen storage material is fully filled in the hydrogen storage chamber 19.
The first partition plate 9 and the second partition plate 10 are respectively provided with a plurality of mounting through holes which are arranged in an array, the water inlets of the heat exchange tubes 8 are assembled on the mounting through holes of the first partition plate 9 in a welding mode to form sealing fit, the water outlets of the heat exchange tubes 8 are assembled on the mounting through holes of the second partition plate 10 in a welding mode to form sealing fit, the mounting through holes of the first partition plate 9 are the second water inlets of the first partition plate 9, and the mounting through holes of the second partition plate 10 are the second water outlets of the second partition plate 10.
In another preferred embodiment, the solid-state hydrogen storage device further comprises a bracket assembly, wherein the bracket assembly comprises four fixing brackets, and the 4 fixing brackets are symmetrically fixed at the bottom of the tank body 4 respectively so as to realize stable support.
In another preferred embodiment, the end of the busbar 3 located outside the tank 4 is equipped with a valve 1 for controlling the switching of hydrogen, the valve 1 being equipped with a filter head 2, in particular a porous metal tube formed by powder metallurgy.
In specific implementation, the extension directions of the busbar 3 and the heat exchange tube 8 are parallel to the transverse direction (i.e. left and right directions) of the tank body 4, one end of the busbar 3 sequentially penetrates through the wall body of the tank body 4, the second partition board 10 and the hydrogen storage material to form sealing fit, and then the busbar 3 and the first partition board 9 are fixed together through welding, and the other end of the busbar is provided with the valve 1 through a threaded connection mode.
In the process of absorbing and releasing hydrogen, the filter head 2 is used for effectively filtering hydrogen pulverization particles absorbed and released by the hydrogen storage material (namely powder or particles formed by fragmentation of the rare earth AB5 type hydrogen storage alloy during repeated absorption and release of hydrogen), so as to prevent pollution of a hydrogen source or other connecting pipelines externally connected to the busbar 3.
Of course, in other embodiments, the extension directions of the busbar 3 and the heat exchange tube 8 are parallel to the longitudinal direction (i.e. the up and down directions) of the tank body 4, and the positions of the first partition 9, the second partition 10, the first water inlet 12 and the first water outlet 15 on the tank body 4 are correspondingly adjusted, so that the hydrogen absorption and desorption rates and the corresponding response times of the hydrogen storage material can be ensured.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a solid-state hydrogen storage device with many heat transfer channels, is including the jar body that is used for storing up hydrogen with insert and locate the internal busbar of jar, first water inlet and first delivery port have been seted up respectively to the both sides of the jar body, first water inlet is used for external heat transfer medium, first delivery port is used for discharging heat transfer medium, its characterized in that:
a first baffle plate and a second baffle plate which are arranged at intervals are arranged in the tank body, a first fluid cavity, a second fluid cavity and a hydrogen storage cavity which is positioned between the first fluid cavity and the second fluid cavity and is arranged at intervals are formed in the tank body, the first water inlet is communicated with the first fluid cavity, and the first water outlet is communicated with the second fluid cavity;
The hydrogen storage cavity is filled with a hydrogen storage material, a plurality of heat exchange tubes arranged at intervals are arranged in the hydrogen storage material, a plurality of second water inlets and second water outlets matched with the heat exchange tubes are respectively formed in the first partition plate and the second partition plate, the water inlets of the heat exchange tubes are connected with the second water inlets of the first partition plates, and the water outlets of the heat exchange tubes are connected with the second water outlets of the second partition plates;
At least 1 heat conducting fin is sleeved on each heat exchange tube respectively, so that heat conduction is formed between the heat exchange tubes and the heat conducting fins.
2. The solid state hydrogen storage device with multiple heat exchange channels of claim 1, wherein: the heat conducting fin is a folded linear fin.
3. The solid state hydrogen storage device with multiple heat exchange channels of claim 1, wherein: the heat conducting fin is an aluminum heat conducting fin, a copper heat conducting fin, an aluminum alloy heat conducting fin, a copper alloy heat conducting fin or a copper aluminum alloy heat conducting fin.
4. A solid state hydrogen storage device having multiple heat exchange channels according to any one of claims 1-3, wherein: the heat exchange tube is a metal tube.
5. A solid state hydrogen storage device having multiple heat exchange channels according to any one of claims 1-3, wherein: the first separator is a stainless steel plate; the second separator is a stainless steel plate.
6. A solid state hydrogen storage device having multiple heat exchange channels according to any one of claims 1-3, wherein: the first partition plate and the second partition plate are arranged in parallel, and four sides of the first partition plate and the second partition plate are respectively fixed on the inner wall of the tank body through welding.
7. The solid state hydrogen storage device with multiple heat exchange channels of claim 6, wherein: the first fluid cavity and the second fluid cavity are symmetrically arranged, and the volume of the hydrogen storage cavity is respectively larger than the volumes of the first fluid cavity and the second fluid cavity.
8. A solid state hydrogen storage device having multiple heat exchange channels according to any one of claims 1-3, wherein: the heat exchange tubes are arranged in parallel along the transverse direction or the longitudinal direction of the tank body, and the heat conducting fins are arranged in parallel along the transverse direction or the longitudinal direction of the tank body.
9. A solid state hydrogen storage device having multiple heat exchange channels according to any one of claims 1-3, wherein: one end of the busbar, which is positioned outside the tank body, is provided with a valve for controlling the hydrogen switch, and the valve is provided with a filter head.
10. The solid state hydrogen storage device with multiple heat exchange channels of claim 9, wherein: the filter head is a porous metal tube formed by powder metallurgy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323337356.8U CN221526292U (en) | 2023-12-07 | 2023-12-07 | Solid-state hydrogen storage device with multiple heat exchange channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323337356.8U CN221526292U (en) | 2023-12-07 | 2023-12-07 | Solid-state hydrogen storage device with multiple heat exchange channels |
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| Publication Number | Publication Date |
|---|---|
| CN221526292U true CN221526292U (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202323337356.8U Active CN221526292U (en) | 2023-12-07 | 2023-12-07 | Solid-state hydrogen storage device with multiple heat exchange channels |
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| Country | Link |
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| CN (1) | CN221526292U (en) |
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2023
- 2023-12-07 CN CN202323337356.8U patent/CN221526292U/en active Active
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