CN214306459U - Negative pressure filling hydrogen storage tank - Google Patents
Negative pressure filling hydrogen storage tank Download PDFInfo
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- CN214306459U CN214306459U CN202120487674.4U CN202120487674U CN214306459U CN 214306459 U CN214306459 U CN 214306459U CN 202120487674 U CN202120487674 U CN 202120487674U CN 214306459 U CN214306459 U CN 214306459U
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- 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
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Abstract
The utility model relates to a negative pressure filling hydrogen storage tank, which belongs to the technical field of hydrogen filling equipment and comprises a hydrogen storage tank body, a hydrogen storage air bag is arranged in the hydrogen storage tank body, springs are fixedly connected at the two sides in the hydrogen storage tank body, one end of each spring close to each other is fixedly connected with a compacting plate, each compacting plate is vertically arranged, the compacting plates can be abutted against abutting plates, the springs can give the force of the two compacting plates to mutually close, an air pump is fixedly connected at the outer side of the hydrogen storage tank body, an air suction pipe is fixedly connected on the air pump, the air suction pipe extends into the hydrogen storage tank body and the hydrogen storage air bag, an air inlet and outlet pipe is fixedly connected at the bottom of the hydrogen storage air bag, one end of the air inlet and outlet pipe extends into the hydrogen storage air bag, the other end of the air inlet and outlet pipe passes through the hydrogen storage tank body, and a pipe valve is fixedly connected on the air inlet and outlet pipe, the utility model has the advantages of removing the residual hydrogen which can not be discharged from the hydrogen storage air bag through the springs and the compacting plates, improving the utilization rate of hydrogen.
Description
Technical Field
The utility model belongs to the technical field of the technique of hydrogen filling equipment and specifically relates to a negative pressure filling hydrogen storage tank is related to.
Background
Hydrogen (Hydrogen) is the lightest gas known in the world, has very small density, only 1/14 of air, namely the density of 0.0899g/L of Hydrogen at 0 ℃ under standard atmospheric pressure, so that the Hydrogen can be used as a filling gas of an airship, can also be used as a reducing agent in industry due to the strong reducing capacity of the Hydrogen, and is widely applied in production and life due to the wide application range of the Hydrogen. The hydrogen is generally stored and transported by a hydrogen storage tank, but the hydrogen is very dangerous at high pressure because the hydrogen is flammable and explosive in the filling process of the hydrogen.
The hydrogen is generally filled into the pressure container through high pressure, and the positive pressure filling is easy to leak at a filling port during the filling process.
The above prior art solutions have the following drawbacks: and when the hydrogen surplus in the pressure container is less during the exhaust, the exhaust effect is poorer, and the hydrogen in the pressure container usually remains to cause waste.
SUMMERY OF THE UTILITY MODEL
In order to also improve the remaining phenomenon of hydrogen in the pressure vessel, this application provides a negative pressure filling hydrogen storage tank.
The application provides a negative pressure filling hydrogen storage tank adopts following technical scheme:
the utility model provides a negative pressure filling hydrogen storage tank, including storing up the hydrogen jar body, be provided with hydrogen storage gasbag in the hydrogen storage jar body, the vertical setting of hydrogen storage gasbag, the equal fixedly connected with spring in the internal portion both sides position department of hydrogen storage jar, the equal fixedly connected with compacting plate of one end that two springs are close to each other, the equal vertical setting of every compacting plate, compacting plate can with butt board butt, the spring can give the power that two compacting plates are close to each other, store up the internal side fixedly connected with aspiration pump of hydrogen jar, fixedly connected with exhaust tube on the aspiration pump, the exhaust tube stretches into and stores up the hydrogen jar body and store up the middle setting of hydrogen gasbag, store up hydrogen gasbag bottom fixedly connected with business turn over trachea, business turn over trachea one end is stretched into and stores up inside the hydrogen gasbag, the business turn over trachea other end passes the setting of storing up the hydrogen jar body, fixedly connected with pipe valve on the business turn over trachea.
By adopting the scheme, when a user uses the hydrogen storage tank, when hydrogen is required to be added into the hydrogen storage tank, the air pump is started, and the air between the hydrogen storage airbag and the hydrogen storage tank is pumped out by the air pump, so that the inside of the hydrogen storage airbag is vacuumized. The hydrogen source is communicated with the gas inlet pipe and the gas outlet pipe, the pipe valve is opened, and hydrogen enters the hydrogen storage air bag under the action of negative pressure. And when the hydrogen pressure in the hydrogen storage air bag reaches a threshold value, closing the pipe valve. The hydrogen storage air bag expands, the spring compresses, and the compacting plates move towards the direction away from each other. When hydrogen in the jar is stored up to needs practicality, because atmospheric pressure's existence for hydrogen is not completely discharged, and the spring can promote the compacting plate motion this moment, and the compacting plate promotes the butt plate and is close to each other, extrudes the hydrogen in the hydrogen storage gasbag completely, improves the rate of utilization of hydrogen.
Preferably, both sides of the hydrogen storage air bag are fixedly connected with abutting plates.
Through adopting above-mentioned scheme, the butt plate can increase the area of contact between hydrogen storage gasbag and the compaction board, prevents that the too much compaction board of use number of times from causing the injury to hydrogen storage gasbag and making hydrogen storage gasbag damaged.
Preferably, the air inlet and outlet pipe is fixedly connected with a pressure gauge.
By adopting the above scheme, when the user uses, the manometer can show the inside pressure value of hydrogen storage gasbag more directly perceivedly, and the user of being convenient for knows the inside hydrogen content of hydrogen storage gasbag.
Preferably, all be provided with many folds on the hydrogen storage gasbag, every fold all sets up along the width direction of the hydrogen storage tank body, and many folds all set up along the length direction array of the hydrogen storage tank body.
By adopting the scheme, when the hydrogen storage air bag is used by a user, the folds can enable the hydrogen storage air bag to be smoother when the hydrogen storage air bag contracts, and the durability of the hydrogen storage air bag is improved.
Preferably, store up a jar internal portion all around equal fixedly connected with many first heat dissipation ribs of position department, many first heat dissipation ribs are all vertical to be set up and many first heat dissipation ribs all along storing the jar internal portion all around position array setting, store up the equal fixedly connected with second heat dissipation rib of the external side of hydrogen jar corresponding first heat dissipation rib position department.
Through adopting above-mentioned scheme, when the user used, because joule-thomson effect, the temperature of hydrogen can rise, and first heat dissipation edges and second heat dissipation edges can make the heat effluvium more easily.
Preferably, store up hydrogen jar internal portion fixedly connected with heat dissipation storehouse, heat dissipation storehouse one side fixedly connected with feed liquor pipe, feed liquor pipe one side fixedly connected with drain pipe is kept away from in the heat dissipation storehouse, drain pipe and feed liquor pipe all with the inside intercommunication in heat dissipation storehouse, drain pipe and feed liquor pipe all pass the setting of hydrogen storage jar side face, the common fixedly connected with circulating pump of far away heat dissipation storehouse one end of drain pipe and feed liquor pipe, the inside water-cooling liquid that is provided with in heat dissipation storehouse.
Through adopting above-mentioned scheme, when the user used, because joule-thomson effect, the temperature of hydrogen can rise, in order to prevent that hydrogen from influencing the storage capacity because temperature rising density changes, the user starts the circulating pump, and the circulating pump can drive water-cooling liquid and enter into the feed liquor pipe from the circulation storehouse, enters into the heat dissipation storehouse from the feed liquor pipe, takes away the heat quantity from the heat dissipation storehouse and then discharges into the circulation storehouse through the drain pipe in, realizes the internal heat dissipation of hydrogen storage tank.
Preferably, the heat dissipation bin is arranged at a position close to the top of the hydrogen storage tank body.
Through adopting above-mentioned scheme, when the user used, the heat can gather in hydrogen storage tank body top position department, and the heat dissipation storehouse sets up in hydrogen storage tank internal portion and can improve the radiating efficiency near top position department.
Preferably, the inside of the hydrogen storage tank body is fixedly connected with guide pillars corresponding to the positions below the springs, the guide pillars are horizontally arranged, and the guide pillars can penetrate through the two compaction plates.
Through adopting above-mentioned scheme, when the user used, the guide pillar can make the compacting plate movement track more stable, prevented that the compacting plate from rocking, influence hydrogen discharge efficiency.
To sum up, the utility model discloses following beneficial effect has:
1. a user can remove residual hydrogen which cannot be discharged from the hydrogen storage air bag through the spring and the compaction plate, so that the utilization rate of the hydrogen is improved;
2. the user can make the heat of storing up the internal portion of hydrogen jar fast discharge through heat dissipation storehouse, feed liquor pipe, drain pipe and circulating pump, prevents to generate heat and influences hydrogen storage capacity.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view of a hydrogen storage bladder according to an embodiment of the present application.
In the figure, 1, a hydrogen storage tank body; 11. an air pump; 111. an air exhaust pipe; 12. a first heat dissipation rib; 121. a second heat dissipation rib; 2. a hydrogen storage bladder; 21. folding; 22. a butt joint plate; 23. a spring; 24. compacting the plate; 25. a guide post; 26. an air inlet pipe and an air outlet pipe; 261. a pressure gauge; 262. a tube valve; 3. a heat dissipation bin; 31. a liquid inlet pipe; 32. a liquid outlet pipe; 33. and a circulating pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses negative pressure filling hydrogen storage tank, as shown in figure 1 and figure 2, including storing hydrogen jar body 1, store up hydrogen jar body 1 inside and be provided with elastic hydrogen storage gasbag 2, all be provided with many folds 21 on storing hydrogen gasbag 2, every fold 21 all sets up along the width direction of storing hydrogen jar body 1, and many folds 21 all set up along the length direction array of storing hydrogen jar body 1. The equal fixedly connected with butt plate 22 in 2 both sides of hydrogen storage gasbag, the equal fixedly connected with spring 23 in the corresponding butt plate 22 position department in 1 inside both sides of hydrogen storage jar, the equal level setting of every spring 23, every spring 23 is close to the equal fixedly connected with compacting plate 24 of 2 one ends of hydrogen storage gasbag, and every compacting plate 24 all sets up to the arc and all points to hydrogen storage gasbag 2 setting. The spring 23 can give the power of compacting plate 24 to the motion of butt plate 22 direction, and butt plate 22 keeps away from one side each other and all can cooperate with compacting plate 24, and the equal fixedly connected with guide pillar 25 of spring 23 top position department is corresponded to in the hydrogen storage tank body 1 inside, and guide pillar 25 level sets up, and guide pillar 25 can pass two compacting plate 24 settings.
As shown in fig. 1 and 2, an inlet/outlet pipe 26 is fixedly connected to the bottom of the hydrogen storage bladder 2, one end of the inlet/outlet pipe 26 extends into the hydrogen storage bladder 2, the other end of the inlet/outlet pipe 26 penetrates through the hydrogen storage tank 1, and a pressure gauge 261 and a pipe valve 262 are fixedly connected to the inlet/outlet pipe 26. The outer side of the hydrogen storage tank body 1 is fixedly connected with an air pump 11, the air pump 11 is fixedly connected with an air pumping pipe 111, and the air pumping pipe 111 extends into the middle of the hydrogen storage tank body 1 and the hydrogen storage airbag 2. All fixedly connected with many first heat dissipation ribs 12 of position department all around in hydrogen storage tank 1 inside, many first heat dissipation ribs 12 are all vertical setting and many first heat dissipation ribs 12 all along hydrogen storage tank 1 inside position array setting all around. The outer side of the hydrogen storage tank 1 corresponding to the first heat dissipation ribs 12 is fixedly connected with second heat dissipation ribs 121. The inside fixedly connected with heat dissipation storehouse 3 that is close to top position department of hydrogen storage tank 1, 3 one sides fixedly connected with feed liquor pipes 31 in heat dissipation storehouse, heat dissipation storehouse 3 keep away from feed liquor pipe 31 one side fixedly connected with drain pipe 32, drain pipe 32 and feed liquor pipe 31 all with the inside intercommunication in heat dissipation storehouse 3. Liquid outlet pipe 32 and feed liquor pipe 31 all pass the setting of hydrogen storage tank 1 side, and liquid outlet pipe 32 and feed liquor pipe 31 keep away from the common fixedly connected with circulating pump 33 of 3 one ends in heat dissipation storehouse, and 3 insides in heat dissipation storehouse are provided with the water-cooling liquid. When a user uses the device, the air pump 11 is started, the air pump 11 pumps air in the hydrogen storage tank body 1 and the hydrogen storage airbag 2 to form negative pressure, the air inlet and outlet pipe 26 is connected with an outside hydrogen source, the pipe valve 262 is opened, hydrogen is pumped into the hydrogen storage airbag 2, and when the pressure reaches a threshold value, hydrogen filling is stopped, and the pipe valve 262 is closed. In the process of expanding the hydrogen storage bladder 2, the abutting plate 22 pushes the compacting plates 24 to move away from each other, and the spring 23 contracts. In the hydrogen filling process, the temperature of the hydrogen can rise due to the joule-thomson effect, the circulating pump 33 is started, the circulating pump 33 drives the water-cooling liquid to enter the liquid outlet pipe 32 from the heat dissipation bin 3, and the water-cooling liquid returns to the heat dissipation bin 3 from the liquid inlet pipe 31 to achieve heat dissipation. When a user needs to discharge hydrogen in the hydrogen storage airbag 2, the pipe valve 262 is opened, the hydrogen is discharged, and due to the existence of atmospheric pressure, the hydrogen is not completely discharged, at the moment, the spring 23 pushes the compacting plate 24 to move, the compacting plate 24 pushes the abutting plate 22 to approach each other, the hydrogen in the hydrogen storage airbag 2 is completely pressed out, and the utilization rate of the hydrogen is improved.
The implementation principle of the negative pressure filling hydrogen storage tank in the embodiment of the application is as follows: when a user uses the device, the air pump 11 is started, the air pump 11 pumps air in the hydrogen storage tank body 1 and the hydrogen storage airbag 2 to form negative pressure, the air inlet and outlet pipe 26 is connected with an outside hydrogen source, the pipe valve 262 is opened, hydrogen is pumped into the hydrogen storage airbag 2, and when the pressure reaches a threshold value, hydrogen filling is stopped, and the pipe valve 262 is closed. In the process of expanding the hydrogen storage bladder 2, the abutting plate 22 pushes the compacting plates 24 to move away from each other, and the spring 23 contracts. In the hydrogen filling process, the temperature of the hydrogen can rise due to the joule-thomson effect, the circulating pump 33 is started, the circulating pump 33 drives the water-cooling liquid to enter the liquid outlet pipe 32 from the heat dissipation bin 3, and the water-cooling liquid returns to the heat dissipation bin 3 from the liquid inlet pipe 31 to achieve heat dissipation. When a user needs to discharge hydrogen in the hydrogen storage airbag 2, the pipe valve 262 is opened, the hydrogen is discharged, and due to the existence of atmospheric pressure, the hydrogen is not completely discharged, at the moment, the spring 23 pushes the compacting plate 24 to move, the compacting plate 24 pushes the abutting plate 22 to approach each other, the hydrogen in the hydrogen storage airbag 2 is completely pressed out, and the utilization rate of the hydrogen is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a negative pressure filling hydrogen storage tank which characterized in that: comprises a hydrogen storage tank body (1), a hydrogen storage air bag (2) is arranged in the hydrogen storage tank body (1), the hydrogen storage air bag (2) is vertically arranged, springs (23) are fixedly connected at two side positions in the hydrogen storage tank body (1), one ends of the two springs (23) close to each other are fixedly connected with compacting plates (24), each compacting plate (24) is vertically arranged, the compacting plates (24) can be abutted against abutting plates (22), the springs (23) can give the two compacting plates (24) a force close to each other, an air suction pump (11) is fixedly connected at the outer side of the hydrogen storage tank body (1), an air suction pipe (111) is fixedly connected on the air suction pump (11), the air suction pipe (111) stretches into the middle of the hydrogen storage tank body (1) and the hydrogen storage air bag (2), an air inlet and outlet pipe (26) is fixedly connected at the bottom of the hydrogen storage air bag (2), one end of the air inlet and outlet pipe (26) stretches into the hydrogen storage air bag (2), the other end of the air inlet and outlet pipe (26) penetrates through the hydrogen storage tank body (1), and a pipe valve (262) is fixedly connected to the air inlet and outlet pipe (26).
2. The negative-pressure filling hydrogen storage tank according to claim 1, characterized in that: two sides of the hydrogen storage air bag (2) are fixedly connected with abutting plates (22).
3. The negative-pressure filling hydrogen storage tank according to claim 1, characterized in that: a pressure gauge (261) is fixedly connected to the air inlet and outlet pipe (26).
4. The negative-pressure filling hydrogen storage tank according to claim 1, characterized in that: all be provided with many folds (21) on hydrogen storage gasbag (2), every fold (21) all sets up along the width direction of hydrogen storage tank body (1), and many folds (21) all set up along the length direction array of hydrogen storage tank body (1).
5. The negative-pressure filling hydrogen storage tank according to claim 1, characterized in that: the hydrogen storage tank body (1) is inside all around the equal fixedly connected with many first heat dissipation ribs (12) of position department, and the equal vertical setting of many first heat dissipation ribs (12) and many first heat dissipation ribs (12) all set up along the inside position array all around of hydrogen storage tank body (1), and the hydrogen storage tank body (1) outside corresponds first heat dissipation rib (12) the equal fixedly connected with second heat dissipation rib (121) of position department.
6. The negative-pressure filling hydrogen storage tank according to claim 1, characterized in that: store up hydrogen jar body (1) inside fixedly connected with heat dissipation storehouse (3), heat dissipation storehouse (3) one side fixedly connected with feed liquor pipe (31), feed liquor pipe (31) one side fixedly connected with drain pipe (32) are kept away from in heat dissipation storehouse (3), drain pipe (32) and feed liquor pipe (31) all with heat dissipation storehouse (3) inside intercommunication, drain pipe (32) and feed liquor pipe (31) all pass and store up hydrogen jar body (1) side setting, common fixedly connected with circulating pump (33) of drain pipe (32) and feed liquor pipe (31) far away heat dissipation storehouse (3) one end, the inside water-cooling liquid that is provided with in heat dissipation storehouse (3).
7. The negative-pressure filling hydrogen storage tank according to claim 6, characterized in that: the heat dissipation bin (3) is arranged at the position, close to the top, of the hydrogen storage tank body (1).
8. The negative-pressure filling hydrogen storage tank according to claim 1, characterized in that: the equal fixedly connected with guide pillar (25) of spring (23) below position department inside the hydrogen storage tank body (1), guide pillar (25) level sets up, and guide pillar (25) can pass two compacting plates (24) and set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487674.4U CN214306459U (en) | 2021-03-05 | 2021-03-05 | Negative pressure filling hydrogen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487674.4U CN214306459U (en) | 2021-03-05 | 2021-03-05 | Negative pressure filling hydrogen storage tank |
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| CN214306459U true CN214306459U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120487674.4U Active CN214306459U (en) | 2021-03-05 | 2021-03-05 | Negative pressure filling hydrogen storage tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619897A (en) * | 2022-03-01 | 2022-06-14 | 宁波吉利罗佑发动机零部件有限公司 | Hydrogen storage device, vehicle, control method, and control device |
| CN114962976A (en) * | 2022-08-03 | 2022-08-30 | 中国电建集团华东勘测设计研究院有限公司 | Universal compressed air energy storage flexible storage tank device |
-
2021
- 2021-03-05 CN CN202120487674.4U patent/CN214306459U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619897A (en) * | 2022-03-01 | 2022-06-14 | 宁波吉利罗佑发动机零部件有限公司 | Hydrogen storage device, vehicle, control method, and control device |
| CN114962976A (en) * | 2022-08-03 | 2022-08-30 | 中国电建集团华东勘测设计研究院有限公司 | Universal compressed air energy storage flexible storage tank device |
| CN114962976B (en) * | 2022-08-03 | 2022-12-27 | 中国电建集团华东勘测设计研究院有限公司 | Universal compressed air energy storage flexible storage tank device |
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