CN114923125B - Safety discharge device for enhancing hydrogen dilution by utilizing suspended nanoparticle adsorption - Google Patents
Safety discharge device for enhancing hydrogen dilution by utilizing suspended nanoparticle adsorption Download PDFInfo
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- CN114923125B CN114923125B CN202210562105.0A CN202210562105A CN114923125B CN 114923125 B CN114923125 B CN 114923125B CN 202210562105 A CN202210562105 A CN 202210562105A CN 114923125 B CN114923125 B CN 114923125B
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 153
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 153
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 18
- 238000010790 dilution Methods 0.000 title claims abstract description 17
- 239000012895 dilution Substances 0.000 title claims abstract description 17
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 12
- 230000002708 enhancing effect Effects 0.000 title abstract description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 239000002245 particle Substances 0.000 claims abstract description 53
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 23
- 239000011261 inert gas Substances 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 5
- 239000000443 aerosol Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 39
- 229910052757 nitrogen Inorganic materials 0.000 description 18
- 239000007788 liquid Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Jet Pumps And Other Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a safe discharge device for enhancing hydrogen dilution by utilizing suspended nano-particle adsorption. The invention mainly comprises a storage tank, a nano hydrogen storage particle feeding device, an ejector A, a buffer tank, an air compressor, an ejector B and a special pipeline. The outlet of the storage tank is connected with the main suction inlet of the ejector A through a first stop valve and a precise pressure reducing valve, the secondary suction inlet of the ejector A is connected with the nano hydrogen storage particle feeding device, and the outlet of the ejector A is connected with the inlet of the buffer tank. The outlet of the buffer tank is connected with the inlet of the air compressor, the outlet of the air compressor is connected with the main suction inlet of the ejector B, the secondary suction inlet of the ejector B is connected with the exhaust pipeline of the hydrogen-containing device, and the outlet of the ejector B is connected with the special exhaust pipeline through a one-way valve. According to the invention, on one hand, the suspension nanometer hydrogen storage particles are utilized to realize the adsorption of hydrogen, on the other hand, the inert gas is utilized to realize the dilution of hydrogen, and finally, the safe discharge of hydrogen is realized.
Description
Technical Field
The invention belongs to the technical field of hydrogen energy, and particularly relates to a safe discharge device for enhancing hydrogen dilution by utilizing suspended nano-particle adsorption.
Background
The hydrogen energy is one of the cleanest energy sources, has the advantages of various sources, zero emission of terminals, wide application and the like, and is very critical in the aspects of protecting national energy safety, promoting energy industry upgrading and the like. Hydrogen energy is expected to be a great concern in achieving the carbon peak, carbon neutralization objectives. Meanwhile, the hydrogen energy can also be used as a bridge for bearing renewable unstable wind energy and solar energy, thereby contributing to energy conservation and synergy in the whole society and providing critical support for realizing a double-carbon strategy.
Hydrogen has inflammability and explosiveness, and the explosion limit range is 4% -75.6%. In addition, because the molecular weight of hydrogen is very small, hydrogen embrittlement leakage is easy to occur, so that the technical requirements on heat insulation, sealing and safety of related hydrogen materials are very strict, and the dangerous property of hydrogen is a key problem which must be faced by the development of hydrogen energy technology and hydrogen energy industry chains.
In the hydrogen energy industry, the safe use of hydrogen is always in the first place. Currently, the hydrogen treatment mainly includes a combustion method and an in-line method. The combustion method needs to use a specially designed hydrogen leading pipeline system, a combustion tank and a pilot device, has a complex structure, cannot treat a large amount of hydrogen in a short time, and has low adaptability to emergency. The direct emptying method is to discharge the air to the high altitude by specially designing and fixing the emptying pipe, and has certain limit on the heights of the field and the emptying pipe.
Neither of the above two methods can achieve rapid discharge of hydrogen in an emergency. Therefore, in the closed space (such as a storage tank, a pipeline system and the like) containing hydrogen, a set of device for realizing strong dilution and safe discharge of hydrogen under emergency conditions is designed rapidly, so that the safe discharge of hydrogen under different conditions is realized, the safety of the system is ensured, the safety risk of hydrogen in the experimental process or engineering application due to factors such as hydrogen leakage and overpressure is reduced, and the healthy and rapid development of the hydrogen energy industry is ensured.
Disclosure of Invention
Aiming at the safety problem possibly caused by the hydrogen in the closed space, the invention provides a safety discharge device for enhancing hydrogen dilution by utilizing suspended nano-particle adsorption.
The invention mainly comprises a storage tank, a nano hydrogen storage particle feeding device, an ejector A, a buffer tank, an air compressor, an ejector B and a special pipeline.
The outlet of the storage tank is connected with the main suction inlet of the ejector A through a first stop valve and a precise pressure reducing valve, the secondary suction inlet of the ejector A is connected with the nano hydrogen storage particle feeding device, the outlet of the ejector A is connected with the inlet of the buffer tank, and nano hydrogen storage particles at the outlet of the ejector A are suspended in an aerosol form and are mixed with inert gas from the storage tank to realize dispersion of the powder nano hydrogen storage particles.
The outlet of the buffer tank is connected with the inlet of the air compressor, the outlet of the air compressor is connected with the main suction inlet of the ejector B, the secondary suction inlet of the ejector B is connected with the exhaust pipeline of the hydrogen-containing device, and the outlet of the ejector B is connected with the special exhaust pipeline through a one-way valve.
The hydrogen of the hydrogen-containing device is rapidly pumped at the B-time suction inlet end of the ejector, most of the hydrogen is absorbed by the suspended nano particles, and the residual hydrogen is fully mixed with inert gas; finally, the mixed gas and the suspended nano particles are discharged into the air through a special pipeline, so that the rapid dilution and the safe discharge of the hydrogen are realized.
Further, the nano hydrogen storage particle feeding device continuously or discontinuously feeds nano hydrogen storage particles to the injector A in a single time.
Further, the nano hydrogen storage particles are carbon nanotubes, nano palladium or hydrogen storage alloy.
Further, the hydrogen-containing device is a hydrogen storage tank or a hydrogen storage pipe network.
The storage tank is a low-temperature fluid storage tank or a high-pressure gas tank.
Compared with the prior art, the invention has the beneficial effects that:
the ejector is utilized to realize the dispersion of the nano hydrogen storage particles, so that the specific surface area of the nano hydrogen storage particles is increased in geometric progression, the nano hydrogen storage particles are in a low-temperature environment by low-temperature inert gas, the nano hydrogen storage particles in unit volume can absorb hundreds of volumes of hydrogen, a foundation is laid for sucking, absorbing, mixing and discharging the hydrogen in emergency, and the system is ensured to be in a safe state.
According to the invention, on one hand, the suspension nanometer hydrogen storage particles are utilized to realize the adsorption of hydrogen, on the other hand, the inert gas is utilized to realize the dilution of hydrogen, and finally, the safe discharge of hydrogen is realized.
The invention can directly discharge hydrogen into the air, the whole process is simple and easy to operate, no complex combustion equipment and power supply are needed, only inert gas with certain pressure is needed to be provided, the safety coefficient is high, and the applicability is strong; the device has the advantages of small volume, light weight, high efficiency and the like, and can greatly improve the emergency discharging capacity of the closed space containing hydrogen.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic diagram of an apparatus for adsorbing hydrogen based on eductor spray of suspended nanoparticles;
FIG. 3 is a schematic cross-sectional view of an injector A;
FIG. 4 is a schematic illustration of hydrogen absorption based on injector B suspended nanoparticles;
in the figure: 1. a liquid nitrogen storage tank; 101. a self-pressurizing device; 2. a first stop valve; 3. a precision pressure reducing valve; 4. a nano hydrogen storage particle feeding device; 5. an ejector A; 6. a buffer tank; 7. an air compressor; 8. an ejector B; 9. A one-way valve; 10. special-row pipelines; 11. a second shut-off valve; 12. a liquid hydrogen storage tank;
fig. 3: 501. the ejector A main suction inlet; 502. a suction inlet of the ejector for the time A; 503. an injector a nozzle; 504. an injector a receiving chamber; 505. an ejector a mixing chamber; 506. an ejector a diffuser chamber; 507. an ejector a outlet;
fig. 4: 801. ejector B main suction inlet; 802. b suction ports of the ejector; 803. an injector B nozzle; 804. an injector B receiving chamber; 805. an injector B mixing chamber; 806. an ejector B diffusion chamber; 807. the ejector B outlet.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and thorough description of the present invention will be rendered by reference to the appended drawings, in which only some, but not all embodiments of the invention are illustrated. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
In order to ensure the safety and the controllability of a closed space containing hydrogen, the invention mainly comprises a storage tank, a precise pressure reducing valve, an ejector A, a buffer tank, an air compressor, an ejector B, a first stop valve, a one-way valve and matched pipelines thereof.
The storage tank outlet is connected with the main suction inlet of the ejector A through a first stop valve and a precise pressure reducing valve, the secondary suction inlet of the ejector A is connected with the nano hydrogen storage particle feeding device, the ejector A outlet is connected with the inlet of the buffer tank, the outlet of the buffer tank is connected with the inlet of the air compressor, the outlet of the air compressor is connected with the main suction inlet of the ejector B, the secondary suction inlet of the ejector B is connected with the exhaust pipeline of the hydrogen-containing device, and the outlet of the ejector B is connected with the special exhaust pipeline through a one-way valve.
The storage tank may be a cryogenic fluid storage tank, a high pressure gas tank, or other form of storage tank.
Further, the liquid in the low-temperature fluid storage tank is gasified into low-temperature gas, so that the nano hydrogen storage particles are in a low-temperature environment, and the adsorption effect of the nano hydrogen storage particles on hydrogen is more facilitated.
The nano-hydrogen storage particles can be carbon nanotubes, nano-palladium, hydrogen storage alloys or other nano-hydrogen storage particles.
The nano hydrogen storage particle feeding device can continuously or discontinuously feed nano hydrogen storage particles to the hydrogen dilution safety discharge device for a single time.
The buffer tank is used for buffering the pressure of gas and suspended nano hydrogen storage particles sprayed out by the sprayer A, so that the system works more stably.
The air compressor pressurizes the inert gas and the suspended nano hydrogen storage particles in the buffer tank to a certain pressure.
The sprayer A can realize dispersion of the powdery nano hydrogen storage particles, so that the nano hydrogen storage particles are suspended in the gas to form aerosol. The ejector B can realize rapid suction and forced discharge of hydrogen, and ensures that the system is in a safe state in emergency.
The hydrogen-containing device can be a hydrogen storage tank, a pipe network and the like.
The special exhaust pipeline is a special exhaust pipeline for the ejector B, and the ejector B discharges the mixed gas of the nano hydrogen storage particles and diluted gas into the atmosphere through the special exhaust pipeline.
The invention is further illustrated by way of example in the accompanying drawings and in which a liquid hydrogen storage tank is shown:
the following components are connected in the manner shown in fig. 1, and the implementation of the device according to the invention can be successfully accomplished by those skilled in the art. The embodiment comprises a liquid nitrogen storage tank 1, a self-pressurization device 101, a first stop valve 2, a precise pressure reducing valve 3, a feeding device 4, an ejector A5, a buffer tank 6, an air compressor 7, an ejector B8, a one-way valve 9, a special discharge pipeline 10, a second stop valve 11 and a liquid hydrogen storage tank 12.
As shown in fig. 1 and 3, the monitoring system monitors the state of the liquid hydrogen storage tank 12 in real time, and once the state signal shows abnormality, the self-pressurization device 101, the first stop valve 2 and the second stop valve 11 of the liquid nitrogen storage tank 1 are opened, and the liquid nitrogen in the liquid nitrogen storage tank 1 is rapidly gasified into low-temperature nitrogen through the self-pressurization device 101. The low-temperature nitrogen flows into the main suction inlet 501 of the injector a through the precise pressure reducing valve 3, and the precise pressure reducing valve 3 precisely controls and adjusts the inlet pressure of the injector A5. The nanometer hydrogen storage particle feeding device 4 is arranged at the end of the secondary suction inlet 501 of the injector A, the nanometer hydrogen storage particle feeding device 4 continuously or once supplies nanometer hydrogen storage particles to the injector A5, and the nanometer hydrogen storage particles are used for absorbing hydrogen. The low-temperature nitrogen gas forms negative pressure due to high-speed flow of air flow at the outlet of the injector A nozzle 503, and further forms low pressure at the end of the injector A secondary suction inlet 502, nano hydrogen storage particles are sucked into the injector A receiving chamber 504 and fully mixed with the low-temperature nitrogen gas in the injector A mixing chamber 505, and after mixing, the pressure is slowly increased through the injector A diffusion chamber 506, and finally the nano hydrogen storage particles are sprayed out from the injector A outlet 507, so that the nano hydrogen storage particles are suspended in the air to form aerosol.
The dispersed nano hydrogen storage particles and low-temperature nitrogen flow into the buffer tank 6, and the buffer tank 6 is used for buffering the pressure of the system, so that the system operates more stably. The nanometer hydrogen storage particles and low-temperature nitrogen are lifted to a certain pressure through the air compressor 7 and flow into the main suction inlet 801 of the ejector B, hydrogen in the liquid hydrogen storage tank 12 is sucked rapidly at a low pressure at the end of the secondary suction inlet 802 of the ejector B, the suspended nanometer hydrogen storage particles fully absorb most of the hydrogen, the residual hydrogen is fully mixed with the low-temperature nitrogen, the concentration of the hydrogen is guaranteed to be reduced below the lower explosion concentration limit (4%), the mixed gas and suspended nanometer particles are discharged into the air through the special exhaust pipeline 10, and the safe discharge of the hydrogen in the liquid hydrogen storage tank 12 is realized. The check valve 9 is installed between the ejector B8 and the extra-discharge pipe 10 to prevent the reverse flow of the gas discharged into the extra-discharge pipe 10.
A schematic diagram of an apparatus for adsorbing hydrogen based on spraying suspended nanoparticles by an injector is shown in fig. 2. If the hydrogen concentration in the closed space is too high, the self-pressurization device 101 and the first stop valve 2 of the liquid nitrogen storage tank 1 are opened, and the liquid nitrogen in the liquid nitrogen storage tank 1 is rapidly gasified into low-temperature nitrogen through the self-pressurization device 101. The low-temperature nitrogen flows into the main suction inlet 501 of the injector A5 through the precise pressure reducing valve 3, the low-temperature nitrogen forms low pressure at the end of the secondary suction inlet 502 of the injector A, nano hydrogen storage particles are sucked into the mixing chamber 505 of the injector A and fully mixed with the low-temperature nitrogen, and are sprayed out through the outlet 507 of the injector A5, so that the nano hydrogen storage particles are suspended in gas to form aerosol. The nanometer hydrogen storage particles suspended in the low-temperature nitrogen are sprayed in the closed space with higher hydrogen concentration, so that the nanometer hydrogen storage particles can absorb hydrogen in the closed space, isolate the hydrogen from oxygen, prevent fire, and ensure the safety of the closed space containing hydrogen.
As shown in fig. 4, after suspended nano hydrogen storage particles and low-temperature nitrogen gas enter the injector B nozzle 803 from the injector B main suction inlet 801, the nano hydrogen storage particles enter the injector B receiving chamber 804 at a high speed, so that a low pressure area is generated at the outlet of the injector B nozzle 803, and the hydrogen gas in the low pressure area is sucked into the closed space and flows into the injector B secondary suction inlet 802 through the exhaust pipeline. The suspended nano-hydrogen storage particles adsorb most of the volume of hydrogen, and the low temperature nitrogen mixes with the surrounding hydrogen in the injector B mixing chamber 805 and exchanges energy to form a mixed gas. Subsequently, the mixed gas is slowed and gradually equalized in the injector B diffusion chamber 806, the pressure is gradually increased, and the mixed gas and the suspended nano-hydrogen storage particles are injected through the injector B outlet 807.
In summary, the invention has the advantages of small volume, light weight, high efficiency and the like. In the closed space containing hydrogen, not only can the safe discharge of hydrogen be realized, but also the discharged hydrogen can be diluted to be below the lower explosive concentration limit (4%) and directly discharged into the air when the device or the system is in an emergency state. The invention skillfully combines the nanoparticle technology, the hydrogen storage material and the rapid dilution and emission requirements of hydrogen, and has high flexibility and strong applicability.
The above description of the embodiments of the invention has been presented in connection with the drawings but these descriptions should not be construed as limiting the scope of the invention, which is defined by the appended claims, and any changes based on the claims are intended to be covered by the invention.
Claims (5)
1. The utility model provides an utilize suspension nanoparticle to adsorb safe discharging equipment of reinforcing hydrogen dilution, mainly comprises storage tank, nanometer hydrogen storage granule feeder, sprayer A, buffer tank, air compressor machine, sprayer B, special calandria pipeline, its characterized in that:
the outlet of the storage tank is connected with the main suction inlet of the ejector A through a first stop valve and a precise pressure reducing valve, the secondary suction inlet of the ejector A is connected with the nano hydrogen storage particle feeding device, the outlet of the ejector A is connected with the inlet of the buffer tank, and nano hydrogen storage particles at the outlet of the ejector A are suspended in an aerosol form and are mixed with inert gas from the storage tank to realize dispersion of the powder nano hydrogen storage particles;
the outlet of the buffer tank is connected with the inlet of the air compressor, the outlet of the air compressor is connected with the main suction inlet of the ejector B, the secondary suction inlet of the ejector B is connected with the exhaust pipeline of the hydrogen-containing device, and the outlet of the ejector B is connected with the special exhaust pipeline through a one-way valve;
the hydrogen of the hydrogen-containing device is rapidly pumped at the B-time suction inlet end of the ejector, most of the hydrogen is absorbed by the suspended nano particles, and the residual hydrogen is fully mixed with inert gas; finally, the mixed gas and the suspended nano particles are discharged into the air through a special pipeline, so that the rapid dilution and the safe discharge of the hydrogen are realized.
2. A safety vent for enhanced hydrogen dilution with suspended nanoparticle adsorption according to claim 1, wherein: the nano hydrogen storage particle feeding device continuously or discontinuously feeds nano hydrogen storage particles to the injector A in a single time.
3. A safety vent for enhanced hydrogen dilution with suspended nanoparticle adsorption according to claim 1 or 2, wherein: the nanometer hydrogen storage particles are carbon nanotubes, nanometer palladium or hydrogen storage alloy.
4. A safety vent for enhanced hydrogen dilution with suspended nanoparticle adsorption according to claim 1 or 2, wherein: the hydrogen-containing device is a hydrogen storage tank or a hydrogen storage pipe network.
5. A safety vent for enhanced hydrogen dilution with suspended nanoparticle adsorption according to claim 1 or 2, wherein: the storage tank is a low-temperature fluid storage tank or a high-pressure gas tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210562105.0A CN114923125B (en) | 2022-05-23 | 2022-05-23 | Safety discharge device for enhancing hydrogen dilution by utilizing suspended nanoparticle adsorption |
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| CN202210562105.0A CN114923125B (en) | 2022-05-23 | 2022-05-23 | Safety discharge device for enhancing hydrogen dilution by utilizing suspended nanoparticle adsorption |
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| Simulation and optimization of rice husk gasification using intrinsic reaction rate based CFD model;Gao, Xiaoyan等;RENEWABLE ENERGY;139;611-620 * |
| 纳米尺度Poiseuille流动中气体黏度的分子动力学研究;陈洁敏等;中国计量大学学报(第03期);31-37 * |
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| CN114923125A (en) | 2022-08-19 |
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