CN114738669A - Hydrogen storage system for preventing hydrogen explosion - Google Patents

Hydrogen storage system for preventing hydrogen explosion Download PDF

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Publication number
CN114738669A
CN114738669A CN202210321638.XA CN202210321638A CN114738669A CN 114738669 A CN114738669 A CN 114738669A CN 202210321638 A CN202210321638 A CN 202210321638A CN 114738669 A CN114738669 A CN 114738669A
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China
Prior art keywords
hydrogen storage
explosion
hydrogen
guide channel
storage chamber
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CN202210321638.XA
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Chinese (zh)
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CN114738669B (en
Inventor
姜秀丽
林涛
马文营
晋文杰
邢大超
宋玉晨
常磊
李闫
和星星
薛兆洋
尹顺心
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Beijing Lead Electric Equipment Co Ltd
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Beijing Lead Electric Equipment Co Ltd
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Publication of CN114738669B publication Critical patent/CN114738669B/en
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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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 under 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; and a weak layer which is easy to break is arranged on the bottom surface of the hydrogen storage chamber, and the weak layer is arranged above the guide channel port. The application has the effect of reducing the adverse effect of explosion on the surroundings.

Description

Hydrogen storage system for preventing hydrogen explosion
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 and is also regarded as the most promising clean energy in the 21 st century, and a large amount of funds and personnel are invested in various countries in research on hydrogen energy utilization, namely simply converting hydrogen energy into electric energy or heat energy for utilization.
How to safely store hydrogen is always important, and particularly in large-scale hydrogen energy utilization places, once hydrogen leakage and explosion occur, not only equipment damage and casualties can be caused, but also the surrounding environment and building facilities can be influenced by serious accidents.
Research and development personnel find in research and development improvements: the building space where the hydrogen storage device is placed needs to be capable of preventing hydrogen explosion, and adverse effects of the explosion on the surroundings are reduced.
Disclosure of Invention
In order to reduce the adverse effects of an explosion on the surroundings, the present application provides a hydrogen storage system that prevents hydrogen explosions.
The hydrogen storage system for preventing hydrogen explosion provided by the application adopts the following technical scheme:
a hydrogen storage system for preventing hydrogen explosion comprises a hydrogen storage chamber arranged under the ground for placing a hydrogen storage device and a guide channel arranged below the hydrogen storage chamber for guiding explosion impact;
and a weak layer which is easy to break 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 chamber sets up in the underground, and weak layer sets up in the top of guide way, and weak layer is easily destroyed, when the explosion takes place in the hydrogen storage chamber, and weak layer is broken at first, makes hydrogen storage chamber and guide way intercommunication, and with most explosion impact excrete in the guide way, and because explosion impact is to the direction guide of underground, make explosion impact can not transmit subaerially, reduce the abominable influence that the explosion caused to the surrounding environment.
Optionally, a plurality of buffer rings are arranged on the inner wall of the guide channel, and the plurality of buffer rings are arranged at intervals along the length direction of the guide channel.
Through adopting above-mentioned technical scheme, a plurality of cushion ring intervals set up on guide channel's inner wall, when the explosion strikes in getting into guide channel, a plurality of cushion rings can strike and subduct layer upon layer to the explosion, reduce the transmission length and the transmission volume of explosion impact in guide channel, reduce the bad influence of explosion impact outside to guide channel.
Optionally, an isolation layer is arranged outside the hydrogen storage chamber, and a buffer space is arranged between the isolation layer and the hydrogen storage chamber.
Through adopting above-mentioned technical scheme, the isolation layer covers in hydrogen storage chamber top, carries out the second protection to hydrogen storage chamber, and the explosion that hydrogen storage chamber top surface received strikes, and the vibrations that hydrogen storage chamber top surface produced can further reduce after the subduction of buffer space and isolation layer again, reduces the bad influence that the explosion strikeed and vibrations led to the fact external environment.
Optionally, a plurality of communicating channels are arranged on the outer circumference of the guide channel, one end of each communicating channel is communicated with the buffer space, and the other end of each communicating channel is communicated with the 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 path is, the smaller the explosion impact is, so that the explosion impact is transmitted to the outside, 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, the buffer medium can absorb the explosion and strike and vibrations, injects the buffer medium back in buffer space, intercommunication passageway and guide channel, and the buffer medium can absorb the explosion and strike and vibrations, reduces the explosion and strike and the probability that vibrations transmit outside the buffer medium, reduces the bad influence that the explosion caused external environment.
Optionally, a water reservoir is arranged above the isolation layer.
Through adopting above-mentioned technical scheme, after the injected water in the cistern, can form the protection outside the isolation layer, form the triple protection to the hydrogen storage chamber simultaneously, reduce the probability that the explosion strikes and shakes the transmission, reduce the abominable influence that the explosion caused to 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 water in the cistern as the buffering medium in the buffer space, perhaps extracts the water that is the buffering medium in the buffer space and carries in the cistern.
Optionally, a hemispherical buffer surface is arranged on a port of the guide channel far away from the weak layer.
Through adopting above-mentioned technical scheme, the hemisphere buffer surface has very high shock resistance, can conveniently strike the explosion and lead the entering intercommunication passageway from the guide passage in, conveniently reduces the explosion and strikes.
Optionally, a blasting assembly is disposed on the weak layer, and the blasting assembly is disposed in the guide channel.
Through adopting above-mentioned technical scheme, the operation back of blasting subassembly can destroy weak layer more quickly, conveniently communicates hydrogen storage chamber and guide channel, with the interior explosion impact guide of hydrogen storage chamber get into in the guide channel.
Optionally, a pressure sensor is arranged 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 storing up hydrogen indoorly, hydrogen reveals to appear in the hydrogen storage device in the hydrogen storage chamber, can lead to the pressure in the hydrogen storage chamber to change, through the change of pressure numerical value on pressure sensor, can conveniently detect whether hydrogen reveals in the hydrogen storage chamber, and simultaneously, pressure sensor and blasting subassembly electric connection, when blasting in the hydrogen storage chamber, pressure in the hydrogen storage chamber can change rapidly, pressure sensor gives the blasting subassembly with the signal transmission, make the blasting subassembly operation, accelerate to destroy weak layer, make hydrogen storage chamber and guide channel communicate more fast, strike the guide entering guide channel with the explosion.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hydrogen storage chamber is arranged underground through the arrangement of the hydrogen storage chamber, the weak layer and the guide channel, the weak layer is arranged above the guide channel, the weak layer is easy to damage, when explosion occurs in the hydrogen storage chamber, the weak layer is firstly broken, the hydrogen storage chamber is communicated with the guide channel, most of explosion impact is discharged into the guide channel, and the explosion impact is guided towards the underground direction, so that the explosion impact cannot be transmitted to the ground, and the adverse effect of the explosion on the surrounding environment is reduced;
2. by arranging the isolating layer, the buffer space, the communicating channel and the buffer medium, the isolating layer covers the hydrogen storage chamber, the second protection is carried out on the hydrogen storage chamber, the explosion impact on the top surface of the hydrogen storage chamber can be reduced, the vibration generated on the top surface of the hydrogen storage chamber can be further reduced after the buffering space and the isolating layer are reduced, the adverse effect of the explosion impact and the vibration on the external environment can be reduced, the longer guiding path is formed by the guiding channel, the communicating channel and the buffer space, the explosion impact can be gradually reduced in the process of passing through the guiding path, the longer the passing path is, the smaller the explosion impact is, thereby the explosion impact is reduced and transmitted to the outside, the adverse effect of the explosion on the outside can be reduced, the buffer medium can absorb the explosion impact and the vibration, after the buffer medium is injected into the buffer space, the communicating channel and the guiding channel, the buffer medium can absorb the explosion impact and the vibration, the probability of transmitting explosion impact and vibration to the outside of the buffer medium is reduced, and the adverse effect of explosion on the external environment is reduced;
3. through setting up pressure sensor and blasting subassembly, blasting subassembly operation back, can destroy weak layer more quickly, conveniently communicate hydrogen storage room and guide channel, in striking the guide entering guide channel with the explosion in the hydrogen storage room, pressure sensor sets up in the hydrogen storage room, hydrogen reveals to appear 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 number value on pressure sensor, can conveniently detect whether hydrogen reveals in the hydrogen storage room, and simultaneously, pressure sensor and blasting subassembly electric connection, when the indoor explosion that takes place of hydrogen storage, the indoor pressure of hydrogen storage can change rapidly, pressure sensor transmits the signal for blasting subassembly, make blasting subassembly operation, accelerate to destroy weak layer, make hydrogen storage room and guide channel communicate more quickly, strike the guide with the explosion and get into guide channel.
Drawings
FIG. 1 is a schematic sectional view showing a hydrogen storage system in an example of the present application.
FIG. 2 is a schematic cross-sectional view of another perspective of a hydrogen storage system in an embodiment of the present application.
Description of reference numerals: 1. a hydrogen storage chamber; 11. a weak layer; 12. a pressure sensor; 2. a guide channel; 21. a buffer ring; 22. a hemispherical buffer surface; 3. an isolation layer; 4. a buffer space; 5. a communication channel; 6. a buffer medium; 7. a reservoir; 8. a water pump assembly; 9. and (4) a blasting assembly.
Detailed Description
The present application is described in further detail below with reference to 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 hydrogen explosion includes a hydrogen storage chamber 1 for housing a hydrogen storage device and a guide passage 2 disposed below the hydrogen storage chamber 1.
Hydrogen storage chamber 1 is inside hollow hemispherical, the bottom surface of hydrogen storage chamber 1 is the plane, the top surface of hydrogen storage chamber 1 is the sphere, bottom surface at hydrogen storage chamber 1 is provided with weak layer 11, the length direction perpendicular to hydrogen storage chamber 1's of guide channel 2 bottom surface, weak layer 11 sets up directly over the 2 ports of guide channel, place hydrogen storage device in not influencing hydrogen storage chamber 1, when guaranteeing weak layer 11's bearing capacity, make the surface area of weak layer 11 reach the biggest, the sectional area of guide channel 2 ports equals weak layer 11's surface area.
Referring to fig. 1 and 2, a plurality of cushion rings 21 are disposed on an inner wall of the guide passage 2, the cushion rings 21 are spaced apart from each other in a longitudinal direction of the guide passage 2, an outer wall of the cushion ring 21 is fixed to the inner wall of the guide passage 2, and a ring surface of the cushion ring 21 is inclined in a direction toward the weak layer 11 in a direction toward the inner ring.
When exploding in the hydrogen storage chamber 1, because weak layer 11 bears the ability of assaulting and is less than other positions of hydrogen storage chamber 1, so the weak layer 11 is destroyed at first in the explosion impact, strike the downward discharge of explosion impact in the hydrogen storage chamber 1 along guide channel 2, reduce the destruction of explosion impact to other positions of hydrogen storage chamber 1, avoid building foundation and facility all around to receive the damage simultaneously, a plurality of buffer ring 21 can reduce the transmission of explosion impact in guide channel 2 layer upon layer, reduce the damage that guide channel 2 received, reduce the length of guide channel 2 simultaneously, reduce the manufacturing difficulty.
Referring to fig. 1 and 2, the isolation layer 3 is hemispherical and is arranged outside the hydrogen storage chamber 1, the isolation layer 3 covers the upper part of the hydrogen storage chamber 1, a distance 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 size of the buffer space 4 is set according to the situation.
A plurality of communicating channels 5 are arranged outside the guide channel 2, the top ends of the communicating channels 5 are communicated with the buffer space 4, the bottom ends of the communicating channels 5 are communicated with the port, far away from the weak layer 11, of the guide channel 2, and the communicating 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 far 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 is not shown in the drawings, and the buffer medium 6 can absorb 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 buffering surface 22 is improved, and the guide channel 2 can better guide the impact generated by explosion by arranging the hemispherical buffering surface 22.
In this embodiment, the buffer medium 6 is set as water, after the buffer medium 6 is injected, when the hydrogen storage chamber 1 explodes, the weak layer 11 is damaged to communicate the hydrogen storage chamber 1 with the guide channel 2, most of the explosion impact in the hydrogen storage chamber 1 is discharged to the buffer medium 6 in the guide channel 2, the vibration and the impact generated by other parts of the hydrogen storage chamber 1 are transmitted to the buffer medium 6 in the buffer space 4, the leakage of the impact and the vibration is reduced, and the adverse effect of the explosion on the outside of the hydrogen storage system is reduced.
Referring to fig. 1 and 2, a reservoir 7 is arranged right above the isolation layer 3, the reservoir 7 is arranged between the isolation layer 3 and the ground, water is injected into the reservoir 7, a water pump assembly 8 is arranged in the 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 water in the water storage tank 7 can be conveyed into the buffer space 4 through the water pipe to serve as a buffer medium 6 by the forward operation of the bidirectional water suction pump, and the water in the buffer space 4 can be extracted into the water storage tank 7 through the water pipe by the reverse operation of the bidirectional water suction pump.
When the explosion in the hydrogen storage chamber 1 is too large and the hydrogen storage chamber 1 and the isolation layer 3 are damaged, water in the water storage tank 7 can be used as a buffer medium 6 to absorb impact and vibration generated by explosion, and the adverse effect of the explosion on ground buildings 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 is formed 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 disposed in the hydrogen storage chamber 1, the pressure sensor 12 can conveniently detect the pressure in the hydrogen storage chamber 1, a hydrogen storage device is disposed in the hydrogen storage chamber 1, when hydrogen in the hydrogen storage device leaks into the hydrogen storage chamber 1, the pressure in the hydrogen storage chamber 1 changes, and whether hydrogen in the hydrogen storage device leaks can be conveniently detected through the pressure sensor 12.
Be provided with on the outer wall of weak layer 11 with pressure sensor 12 electric connection's blasting subassembly 9, blasting subassembly 9 sets up in guide channel 2, and blasting subassembly 9 sets up the polylith mounting panel on the connecting cylinder outer wall and sets up a plurality of blasting wares on the mounting panel including setting up connecting cylinder, circumference at weak layer 11 middle part.
Referring to fig. 1 and 2, an end face rigid coupling of mounting panel is on the connecting cylinder, and the side rigid coupling of mounting panel is on the outer wall of weak layer 11, makes the face perpendicular to weak layer 11's of mounting panel outer wall, and the blasting ware rigid coupling is on the face of mounting panel, and the blasting ware setting is in the position that is close to weak layer 11, blasting ware and pressure sensor 12 electric connection.
Under the normal condition, mounting panel and connecting cylinder can improve the bearing capacity of weak layer 11, and when exploding in hydrogen storage chamber 1, the pressure in hydrogen storage chamber 1 can increase rapidly, and pressure sensor 12 transmission signal makes the blasting ware explode, explodes the mounting panel for destroy weak layer 11, conveniently with the explosion impact excrete in 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 semi-spherical hydrogen storage chamber 1 is arranged underground, the weak layer 11 is arranged on the bottom surface of the hydrogen storage chamber 1, the guide channel 2 is arranged under the weak layer 11, the buffer ring 21 is arranged on the inner wall of the guide channel 2, the isolating layer 3 is arranged right above the hydrogen storage chamber 1, the buffer space 4 is formed between the hydrogen storage chamber 1 and the isolating layer 3, the communicating channel 5 is arranged between the buffer space 4 and the guide channel 2, the buffer medium 6 is injected into the buffer space 4, the communicating channel 5 and the guide channel 2, when hydrogen explosion happens in the hydrogen storage chamber 1, the weak layer 11 is firstly damaged, the hydrogen storage chamber 1 is communicated with the guide channel 2, most of the explosion impact is discharged into the guide channel 2, the buffer ring 21 can reduce the explosion impact layer by layer, the transmission of the explosion impact in the guide channel 2 is reduced, the buffer medium 6 can absorb the explosion impact, and the other parts of the hydrogen storage chamber 1 are vibrated due to the explosion impact, the buffer medium 6 in the buffer space 4 absorbs the shock generated by explosion, reduces the explosion impact and shock transmitted to the outside by the hydrogen storage system, and reduces the adverse effect of the explosion on the surroundings.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A hydrogen storage system for preventing hydrogen explosion, comprising: comprises a hydrogen storage chamber (1) arranged under the ground for placing a hydrogen storage device and a guide channel (2) arranged below the hydrogen storage chamber (1) for guiding explosion impact;
and a weak layer (11) which is 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).
2. A hydrogen storage system for preventing hydrogen explosion according to claim 1, wherein: 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).
3. A hydrogen storage system for preventing explosion of hydrogen gas according to claim 2, wherein: 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).
4. A hydrogen storage system for preventing hydrogen explosion according to claim 3, wherein: 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 the port, far away from the weak layer (11), of the guide channel (2).
5. A hydrogen storage system for preventing hydrogen explosion according to claim 4, wherein: and buffer media (6) for absorbing explosion impact and vibration are arranged in the buffer space (4), the communication channel (5) and the guide channel (2).
6. A hydrogen storage system for preventing hydrogen explosion according to claim 3, wherein: a reservoir (7) is arranged above the isolation layer (3).
7. A hydrogen storage system for preventing hydrogen explosion according to claim 6, wherein: a water pump assembly (8) used for communicating the buffer space (4) is arranged in the water storage tank (7).
8. A hydrogen storage system for preventing hydrogen explosion according to claim 4, wherein: a hemispherical buffer surface (22) is arranged on the end, far away from the weak layer (11), of the guide channel (2).
9. A hydrogen storage system for preventing hydrogen explosion according to claim 8, wherein: a bursting element (9) is arranged on the weakening layer (11), the bursting element (9) being arranged in the guide channel (2).
10. A hydrogen storage system for preventing hydrogen explosion according to claim 9, 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).
CN202210321638.XA 2022-03-30 2022-03-30 Hydrogen storage system for preventing hydrogen explosion Active CN114738669B (en)

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