CN114738669B - Hydrogen storage system for preventing hydrogen explosion - Google Patents
Hydrogen storage system for preventing hydrogen explosion Download PDFInfo
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- CN114738669B CN114738669B CN202210321638.XA CN202210321638A CN114738669B CN 114738669 B CN114738669 B CN 114738669B CN 202210321638 A CN202210321638 A CN 202210321638A CN 114738669 B CN114738669 B CN 114738669B
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- Prior art keywords
- hydrogen storage
- explosion
- guide channel
- hydrogen
- storage chamber
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 239000001257 hydrogen Substances 0.000 title claims abstract description 146
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 146
- 238000003860 storage Methods 0.000 title claims abstract description 121
- 238000004880 explosion Methods 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000002955 isolation Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 20
- 238000005422 blasting Methods 0.000 claims description 16
- 230000035939 shock Effects 0.000 claims description 3
- 241001391944 Commicarpus scandens Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 230000002411 adverse Effects 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/007—Underground or underwater storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
- F17C1/04—Protecting sheathings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/068—Special properties of materials for vessel walls
- F17C2203/0682—Special properties of materials for vessel walls with liquid or gas layer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/068—Special properties of materials for vessel walls
- F17C2203/0685—Special properties of materials for vessel walls flexible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/068—Special properties of materials for vessel walls
- F17C2203/069—Break point in the wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0196—Details of mounting arrangements with shock absorbing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0311—Closure means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
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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
Abstract
The application relates to the technical field of safe hydrogen storage, in particular to a hydrogen storage system for preventing hydrogen explosion, which comprises a hydrogen storage chamber arranged below the ground and used for placing a hydrogen storage device and a guide channel arranged below the hydrogen storage chamber and used for guiding explosion impact; a weak layer which is easy to damage is arranged on the bottom surface of the hydrogen storage chamber, and the weak layer is arranged above the guide channel port. The present application has the effect of reducing the adverse effect of an explosion on the surroundings.
Description
Technical Field
The application relates to the technical field of safe hydrogen storage, in particular to a hydrogen storage system for preventing hydrogen explosion.
Background
Hydrogen energy is a secondary energy source and is also regarded as a clean energy source with the most development potential in the 21 st century, and a great deal of funds and personnel are put into the research of hydrogen energy utilization in each country, and the hydrogen energy utilization is simply to convert the hydrogen energy into electric energy or heat energy and use the electric energy or heat energy.
How to safely store hydrogen is always a great importance, particularly in large-scale hydrogen energy utilization places, once hydrogen leakage explosion occurs, equipment damage and casualties can be caused, and serious accidents can influence the surrounding environment and building facilities.
The developer finds in the development improvement: the building space in which the hydrogen storage device is placed needs to be able to prevent the explosion of hydrogen and reduce the adverse effect of the explosion on the surroundings.
Disclosure of Invention
In order to reduce the adverse effect of explosion on the surroundings, the present application provides a hydrogen storage system that prevents explosion of hydrogen gas.
The application provides a hydrogen storage system of prevention hydrogen explosion adopts following technical scheme:
a hydrogen storage system for preventing hydrogen explosion comprises a hydrogen storage chamber arranged below the ground for placing a hydrogen storage device and a guide channel arranged below the hydrogen storage chamber for guiding explosion impact;
a weak layer which is easy to damage is arranged on the bottom surface of the hydrogen storage chamber, and the weak layer is arranged above the guide channel port.
Through adopting above-mentioned technical scheme, the hydrogen storage room sets up underground, and the weak layer setting is in the top of guide channel, and the weak layer easily destroyed, when the explosion takes place in the hydrogen storage room, the weak layer is broken foremost, makes hydrogen storage room and guide channel intercommunication, will most explosion impact excrete in the guide channel, and because explosion impact is to the direction under ground guide, makes explosion impact can not transmit subaerial, reduces the adverse effect that explosion caused to surrounding environment.
Optionally, a plurality of buffer rings are disposed on the inner wall of the guide channel, and the plurality of buffer rings are disposed at intervals along the length direction of the guide channel.
Through adopting above-mentioned technical scheme, a plurality of buffer rings interval sets up on the inner wall of guide channel, when explosion impact gets into in the guide channel, a plurality of buffer rings can reduce the explosion impact layer upon layer, reduce the transmission length and the transfer volume of explosion impact in the guide channel, reduce the adverse effect of explosion impact outside the guide channel.
Optionally, an isolation layer is disposed outside the hydrogen storage chamber, and a buffer space is disposed between the isolation layer and the hydrogen storage chamber.
Through adopting above-mentioned technical scheme, the isolation layer covers in the hydrogen storage room top, carries out the secondary protection to the hydrogen storage room, and the explosion that the hydrogen storage room top surface received assaults, and the vibrations that the hydrogen storage room top surface produced can further reduce after the reduction of buffer space and isolation layer again, reduce explosion and assaults the adverse effect that vibrations caused to external environment.
Optionally, a plurality of communication channels are arranged on the outer circumference of the guide channel, one end of each communication channel is communicated with the buffer space, and the other end of each communication channel is communicated with a port of the guide channel far away from the weak layer.
By adopting the technical scheme, the guide channel, the communication channel and the buffer space form a longer guide path, the explosion impact can be gradually reduced in the process of passing through the guide path, and the longer the passing path is, the smaller the explosion impact is, so that the transmission of the explosion impact to the outside is reduced, and the adverse effect of the explosion on the outside is reduced.
Optionally, a buffer medium for absorbing explosion impact and shock is disposed in the buffer space, the communication channel and the guide channel.
Through adopting above-mentioned technical scheme, buffer medium can absorb explosion impact and vibrations, after filling buffer medium in buffer space, intercommunication passageway and guide passageway, buffer medium can absorb explosion impact and vibrations, reduces explosion impact and vibrations and transmits the probability outside the buffer medium, reduces the adverse effect that explosion caused the external environment.
Optionally, a reservoir is arranged above the isolation layer.
Through adopting above-mentioned technical scheme, after the injection water in the cistern, can form the protection outside the isolation layer, form the third triple protection to the hydrogen storage room simultaneously, reduce the probability that explosion impact and vibrations passed, reduce the abominable influence that the explosion caused subaerial.
Optionally, a water pump assembly for communicating the buffer space is disposed in the reservoir.
Through adopting above-mentioned technical scheme, water pump assembly can carry out two-way water delivery, carries the buffering medium to the buffering space in with the water in the cistern, or in extracting the water that is the buffering medium in the buffering space and carry the cistern.
Optionally, a hemispherical buffer surface is disposed on a port of the guide channel away from the weak layer.
By adopting the technical scheme, the hemispherical buffer surface has very high impact resistance, and can conveniently guide the explosion impact into the communication channel from the guide channel, thereby conveniently reducing the explosion impact.
Optionally, a blasting assembly is disposed on the weak layer, the blasting assembly being disposed within the guide channel.
Through adopting above-mentioned technical scheme, after the blasting subassembly operation, can destroy the weak layer more fast, conveniently communicate hydrogen storage room and guide passageway, in the blast impact guide entering guide passageway in with the hydrogen storage room.
Optionally, a pressure sensor is disposed in the hydrogen storage chamber, and the pressure sensor is electrically connected with the blasting assembly.
Through adopting above-mentioned technical scheme, pressure sensor sets up in the hydrogen storage room, hydrogen leakage appears in the hydrogen storage device in the hydrogen storage room, can lead to the pressure in the hydrogen storage room to change, whether the hydrogen leakage appears in the hydrogen storage room through the change of pressure numerical value on the pressure sensor, simultaneously, pressure sensor and blasting subassembly electric connection, when the explosion takes place in the hydrogen storage room, the pressure in the hydrogen storage room can change rapidly, pressure sensor gives blasting subassembly with signal transmission, make blasting subassembly operation, accelerate to destroy the weak layer, make hydrogen storage room and guide passageway communicate more fast, guide the blast impact and get into guide passageway.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hydrogen storage chamber is arranged underground, the weak layer is arranged above the guide channel and is easy to damage, when explosion occurs in the hydrogen storage chamber, the weak layer is firstly broken to enable the hydrogen storage chamber to be communicated with the guide channel, most of explosion impact is discharged into the guide channel, and the explosion impact is guided to the underground direction, so that the explosion impact is not transmitted to the ground, and the adverse influence of the explosion on the surrounding environment is reduced;
2. through setting up isolation layer, buffer space, intercommunication passageway and buffer medium, the isolation layer covers in the hydrogen storage room top, carry out the secondary protection to the hydrogen storage room, the explosion impact that the hydrogen storage room top surface received, the vibrations that the hydrogen storage room top surface produced, after the reduction of buffer space and isolation layer, can further reduce, reduce the adverse effect that explosion impact and vibrations caused to the external environment, guide passageway, intercommunication passageway and buffer space form a longer guide way, the explosion impact can reduce gradually in the in-process of guide way, the longer the route that passes through, the explosion impact is littleer, thereby reduce the explosion impact and transmit outside, reduce the adverse effect that the explosion caused to outside, buffer medium can absorb explosion impact and vibrations, after the buffer medium is poured into in buffer space, intercommunication passageway and guide passageway, the probability that explosion impact and vibrations transmitted outside the buffer medium, reduce the adverse effect that explosion caused to the external environment;
3. through setting up pressure sensor and blasting subassembly, the blasting subassembly operation back can destroy the weak layer more fast, conveniently communicate hydrogen storage room and guide passageway, in the explosion impact guide entering guide passageway in with the hydrogen storage room, pressure sensor sets up in the hydrogen storage room, hydrogen leakage appears in the hydrogen storage device in the hydrogen storage room, can lead to the pressure in the hydrogen storage room to change, through the change of pressure numerical value on the pressure sensor, can conveniently detect whether hydrogen leakage appears in the hydrogen storage room, simultaneously, pressure sensor and blasting subassembly electric connection, when explosion takes place in the hydrogen storage room, the pressure in the hydrogen storage room can change rapidly, pressure sensor gives the blasting subassembly with signal transmission, make blasting subassembly operation, accelerate to destroy the weak layer, make hydrogen storage room and guide passageway communicate more fast, guide the explosion impact.
Drawings
Fig. 1 is a schematic sectional view of a hydrogen storage system according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of a hydrogen storage system according to another embodiment of the present application.
Reference numerals illustrate: 1. a hydrogen storage chamber; 11. a weak layer; 12. a pressure sensor; 2. a guide channel; 21. a buffer ring; 22. hemispherical buffer surface; 3. an isolation layer; 4. a buffer space; 5. a communication passage; 6. a buffer medium; 7. a reservoir; 8. a water pump assembly; 9. and (5) blasting the assembly.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a hydrogen storage system for preventing hydrogen explosion. Referring to fig. 1 and 2, a hydrogen storage system for preventing explosion of hydrogen gas includes a hydrogen storage chamber 1 for placing a hydrogen storage device, and a guide passage 2 provided below the hydrogen storage chamber 1.
The hydrogen storage chamber 1 is hollow hemispheric in the interior, the bottom surface of the hydrogen storage chamber 1 is a plane, the top surface of the hydrogen storage chamber 1 is a sphere, the bottom surface of the hydrogen storage chamber 1 is provided with the weak layer 11, the length direction of the guide channel 2 is perpendicular to the bottom surface of the hydrogen storage chamber 1, the weak layer 11 is arranged right above the port of the guide channel 2, the hydrogen storage device is placed in the hydrogen storage chamber 1 without influencing the bearing capacity of the weak layer 11, the surface area of the weak layer 11 is maximized while the bearing capacity of the weak layer 11 is ensured, and the sectional area of the port of the guide channel 2 is equal to the surface area of the weak layer 11.
Referring to fig. 1 and 2, a plurality of buffer rings 21 are provided on an inner wall of the guide passage 2, the plurality of buffer rings 21 are provided at intervals along a length direction of the guide passage 2, an outer wall of the buffer ring 21 is fixedly connected to the inner wall of the guide passage 2, and an annular surface of the buffer ring 21 is obliquely provided in a direction approaching the inner ring to a direction approaching the weak layer 11.
When explosion occurs in the hydrogen storage chamber 1, the weak layer 11 is damaged firstly due to the fact that the capability of the weak layer 11 for bearing the impact is smaller than that of other positions of the hydrogen storage chamber 1, the explosion impact in the hydrogen storage chamber 1 is discharged downwards along the guide channel 2, the damage of the explosion impact to other positions of the hydrogen storage chamber 1 is reduced, meanwhile, the surrounding building foundation and facilities are prevented from being damaged, the transmission of the explosion impact in the guide channel 2 can be reduced layer by layer through the buffer rings 21, the damage to the guide channel 2 is reduced, meanwhile, the length of the guide channel 2 is reduced, and the manufacturing difficulty is reduced.
Referring to fig. 1 and 2, an isolation layer 3 is provided outside a hydrogen storage chamber 1, the isolation layer 3 is hemispherical, the isolation layer 3 covers the hydrogen storage chamber 1, a space exists between the inner wall of the isolation layer 3 and the outer wall of the hydrogen storage chamber 1, a buffer space 4 is formed between the isolation layer 3 and the hydrogen storage chamber 1, and the buffer space 4 is set according to the situation.
A plurality of communication channels 5 are arranged outside the guide channel 2, the top ends of the communication channels 5 are communicated with the buffer space 4, the bottom ends of the communication channels 5 are communicated with the port of the guide channel 2 far away from the weak layer 11, and the communication channels 5 are circumferentially distributed around the central axis of the guide channel 2.
Referring to fig. 1 and 2, a hemispherical buffer surface 22 is provided at a port of the guide passage 2 remote from the weak layer 11, a spherical opening of the hemispherical buffer surface 22 is provided toward the weak layer 11, and a buffer medium 6 is provided in the buffer space 4, the communication passage 5 and the guide passage 2, the buffer medium 6 not being shown in the drawings, and the buffer medium 6 being capable of absorbing shock and vibration generated by explosion.
The hemispherical structure can bear larger impact and pressure, so that the impact resistance of the top surface of the hydrogen storage chamber 1, the isolation layer 3 and the hemispherical buffer surface 22 is improved, and the hemispherical buffer surface 22 is arranged, so that the guide channel 2 better guides the impact generated by explosion.
In this embodiment, the buffer medium 6 is set as water, after the buffer medium 6 is injected, when explosion occurs in the hydrogen storage chamber 1, the weak layer 11 is damaged to enable the hydrogen storage chamber 1 to be communicated with the guide channel 2, most of explosion impact in the hydrogen storage chamber 1 is discharged into the buffer medium 6 in the guide channel 2, vibration and impact generated by other parts of the hydrogen storage chamber 1 are transferred into the buffer medium 6 in the buffer space 4, leakage of the impact and vibration is reduced, and adverse effects of the explosion on the outside of the hydrogen storage system are reduced.
Referring to fig. 1 and 2, a water reservoir 7 is provided right above the isolation layer 3, the water reservoir 7 is provided between the isolation layer 3 and the ground, water is injected into the water reservoir 7, a water pump assembly 8 is provided in the water reservoir 7, the water pump assembly 8 comprises a bidirectional water pump and a water pipe, one end of the water pipe is communicated with the bidirectional water pump, and the other end of the water pipe is communicated with the buffer space 4.
The forward running two-way water pump can convey the water in the reservoir 7 into the buffer space 4 through the water pipe to serve as a buffer medium 6, and the reverse running two-way water pump can pump the water in the buffer space 4 into the reservoir 7 through the water pipe.
When the explosion in the hydrogen storage chamber 1 is overlarge, and both the hydrogen storage chamber 1 and the isolation layer 3 are damaged, water in the reservoir 7 can be used as a buffer medium 6 to absorb the impact and vibration generated by the explosion, so that the adverse effect of the explosion on the ground construction is reduced.
The buffer space 4, the communication channel 5 and the guide channel 2 form a relatively sealed space, and when the buffer medium 6 is injected into the buffer space 4, the communication channel 5 and the guide channel 2, a certain cavity exists at one end of the guide channel 2 close to the weak layer 11, and a relatively constant pressure is formed in the hydrogen storage chamber 1.
Referring to fig. 1 and 2, a pressure sensor 12 is provided in the hydrogen storage chamber 1, the pressure sensor 12 can conveniently detect the pressure in the hydrogen storage chamber 1, the hydrogen storage device is placed in the hydrogen storage chamber 1, when the hydrogen in the hydrogen storage device leaks into the hydrogen storage chamber 1, the pressure in the hydrogen storage chamber 1 can be changed, and the pressure sensor 12 can conveniently detect whether the hydrogen in the hydrogen storage device leaks.
The explosion assembly 9 electrically connected with the pressure sensor 12 is arranged on the outer wall of the weak layer 11, the explosion assembly 9 is arranged in the guide channel 2, and the explosion assembly 9 comprises a connecting barrel arranged in the middle of the weak layer 11, a plurality of mounting plates circumferentially arranged on the outer wall of the connecting barrel and a plurality of blasters arranged on the mounting plates.
Referring to fig. 1 and 2, an end surface of the mounting plate is fixedly connected to the connecting barrel, a side surface of the mounting plate is fixedly connected to an outer wall of the weak layer 11, a plate surface of the mounting plate is perpendicular to the outer wall of the weak layer 11, the blaster is fixedly connected to the plate surface of the mounting plate, the blaster is arranged at a position close to the weak layer 11, and the blaster is electrically connected with the pressure sensor 12.
Under normal conditions, the mounting plate and the connecting barrel can improve the bearing capacity of the weak layer 11, when explosion occurs in the hydrogen storage chamber 1, the pressure in the hydrogen storage chamber 1 can be rapidly increased, the pressure sensor 12 transmits signals, so that the blaster detonates, the mounting plate is blasted, the weak layer 11 is damaged, and the explosion impact is conveniently discharged into the guide channel 2.
The implementation principle of the hydrogen storage system for preventing hydrogen explosion in the embodiment of the application is as follows: the hydrogen storage device comprises a hemispherical hydrogen storage chamber 1, a weak layer 11 is arranged on the bottom surface of the hydrogen storage chamber 1, a guide channel 2 is arranged right below the weak layer 11, a buffer ring 21 is arranged on the inner wall of the guide channel 2, an isolation layer 3 is arranged right above the hydrogen storage chamber 1, a buffer space 4 is formed between the hydrogen storage chamber 1 and the isolation layer 3, a communication channel 5 is arranged between the buffer space 4 and the guide channel 2, a buffer medium 6 is injected into the buffer space 4, the communication channel 5 and the guide channel 2, when hydrogen explosion occurs in the hydrogen storage chamber 1, the weak layer 11 is firstly destroyed, the hydrogen storage chamber 1 and the guide channel 2 are communicated, most of explosion impact is discharged into the guide channel 2, the buffer ring 21 can reduce the transmission of the explosion impact in the guide channel 2 layer by layer, the buffer medium 6 can absorb the explosion impact, the explosion impact enables other parts of the hydrogen storage chamber 1 to vibrate, the buffer medium 6 in the buffer space 4 absorbs the vibration generated by the explosion, and the adverse effect of the explosion impact transmitted to the outside by the hydrogen storage system is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A hydrogen storage system for preventing hydrogen explosion, characterized in that: comprises a hydrogen storage chamber (1) which is arranged under the ground and used for placing a hydrogen storage device, and a guide channel (2) which is arranged under the hydrogen storage chamber (1) and used for guiding explosion impact;
a weak layer (11) easy to break is arranged on the bottom surface of the hydrogen storage chamber (1), and the weak layer (11) is arranged above the port of the guide channel (2);
a plurality of buffer rings (21) are arranged on the inner wall of the guide channel (2), and the buffer rings (21) are arranged at intervals along the length direction of the guide channel (2);
an isolation layer (3) is arranged outside the hydrogen storage chamber (1), and a buffer space (4) is arranged between the isolation layer (3) and the hydrogen storage chamber (1);
a plurality of communication channels (5) are arranged on the outer circumference of the guide channel (2), one end of each communication channel (5) is communicated with the buffer space (4), and the other end of each communication channel (5) is communicated with a port of the guide channel (2) far away from the weak layer (11);
a buffer medium (6) for absorbing explosion impact and shock is arranged in the buffer space (4), the communication channel (5) and the guide channel (2).
2. A hydrogen storage system for preventing explosion of hydrogen gas as claimed in claim 1, wherein: a reservoir (7) is arranged above the isolation layer (3).
3. A hydrogen storage system for preventing explosion of hydrogen gas according to claim 2, wherein: a water pump assembly (8) used for communicating the buffer space (4) is arranged in the reservoir (7).
4. A hydrogen storage system for preventing explosion of hydrogen gas as claimed in claim 1, wherein: a hemispherical buffer surface (22) is arranged on the port of the guide channel (2) far away from the weak layer (11).
5. A hydrogen storage system for preventing hydrogen explosion according to claim 4, wherein: a blasting assembly (9) is arranged on the weak layer (11), and the blasting assembly (9) is arranged in the guide channel (2).
6. A hydrogen storage system for preventing explosion of hydrogen gas as defined in claim 5, wherein: a pressure sensor (12) is arranged in the hydrogen storage chamber (1), and the pressure sensor (12) is electrically connected with the blasting assembly (9).
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| CN202210321638.XA CN114738669B (en) | 2022-03-30 | 2022-03-30 | Hydrogen storage system for preventing hydrogen explosion |
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| CN202210321638.XA CN114738669B (en) | 2022-03-30 | 2022-03-30 | Hydrogen storage system for preventing hydrogen explosion |
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| CN114738669A (en) | 2022-07-12 |
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