CN114838289A - Hydrogen storage bottle hydrogenation system and method - Google Patents

Hydrogen storage bottle hydrogenation system and method Download PDF

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CN114838289A
CN114838289A CN202210205876.4A CN202210205876A CN114838289A CN 114838289 A CN114838289 A CN 114838289A CN 202210205876 A CN202210205876 A CN 202210205876A CN 114838289 A CN114838289 A CN 114838289A
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hydrogen
cooling
bottle
heat exchange
flow controller
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蔡升弘
林传宜
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Hainan Tianyu Technology Group Co ltd
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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
    • F17C11/00—Use of gas-solvents or gas-sorbents in vessels
    • F17C11/005—Use of gas-solvents or gas-sorbents in vessels for 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature 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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0138—Single phase solid
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
    • F17C2227/0355—Heat exchange with the fluid by cooling using another fluid in a closed loop
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0369—Localisation of heat exchange in or on a vessel
    • 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
    • F17C2250/0439—Temperature
    • 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
    • F17C2250/0689—Methods for controlling or regulating
    • F17C2250/0694—Methods for controlling or regulating with calculations
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a hydrogen storage bottle hydrogenation system and a method, which relate to the technical field of gas storage, and the system comprises a hydrogen bottle, a heat dissipation system, a master controller and a hydrogen introducer, wherein the hydrogen introducer is connected with a hydrogen bottle air inlet and is used for introducing hydrogen into the hydrogen bottle; the cooling system comprises a cooling heat exchange pipeline, a cooling substance importer and a cooling substance exporting module, the cooling heat exchange pipeline is arranged in the hydrogen bottle, and the cooling heat exchange pipeline can exchange heat with the inside of the hydrogen bottle and reduce the temperature in the hydrogen bottle; the cooling material introducer is provided with a cooling material port flow controller for controlling the inflow of the cooling material therein, and the hydrogen gas introducer is provided with a hydrogen gas inlet flow controller for controlling the inflow of the hydrogen gas therein. According to the invention, the cooling heat exchange pipeline is arranged in the hydrogen bottle, and the cooling temperature in the hydrogen bottle is adjusted, so that the introduced hydrogen and metal can be quickly formed into metal hydride to generate a large amount of hydrogen absorption; thereby realizing the mass storage of hydrogen.

Description

Hydrogen storage bottle hydrogenation system and method
Technical Field
The invention relates to the technical field of gas storage, in particular to a hydrogen storage bottle hydrogenation system and a hydrogen storage bottle hydrogenation method.
Background
Hydrogen has the chemical formula H 2 The gas is extremely easy to burn, colorless, transparent, odorless and tasteless and is insoluble in water at normal temperature and normal pressure; hydrogen as an energy source, there areHas incomparable advantages: the combustion heat value of hydrogen is high, and the energy of hydrogen per kilogram after combustion is about 3 times that of gasoline, 3.9 times that of alcohol and 4.5 times that of coke; the product of hydrogen combustion is water, and has zero pollution to the environment; hydrogen reserves on earth are extremely abundant (prepared from seawater) and are renewable and recyclable.
From the preparation of hydrogen to the specific application of hydrogen, the storage of hydrogen is an indispensable link, but because hydrogen is a flammable and explosive substance, how to safely, cheaply and store hydrogen for a long time becomes the key for hydrogen energy utilization. The existing hydrogen is directly stored in a hydrogen bottle device, and the leading-in and the discharging of the hydrogen are realized through a leading-out and leading-in device; the storage and release of hydrogen cannot be performed as required.
Disclosure of Invention
The invention aims to provide a hydrogen storage bottle hydrogenation system and a hydrogen storage bottle hydrogenation method, which aim to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a hydrogen storage bottle hydrogenation system comprises a hydrogen bottle, a heat dissipation system, a master controller and a hydrogen introducer, wherein the hydrogen introducer is connected with a hydrogen bottle air inlet and is used for introducing hydrogen into the hydrogen bottle; the cooling system comprises a cooling heat exchange pipeline, a cooling substance importer and a cooling substance exporting module, the cooling heat exchange pipeline is arranged in the hydrogen bottle and conducts cooling substances in the hydrogen bottle, and the cooling heat exchange pipeline can exchange heat with the inside of the hydrogen bottle and reduce the temperature in the hydrogen bottle; the cooling substance importer is connected with one end of the cooling heat exchange pipeline and introduces cooling substances into the cooling heat exchange pipeline; the cooling material guiding module is connected with the other end of the cooling heat exchange pipeline and guides out the cooling material in the cooling heat exchange pipeline; the cooling material introducer is provided with a cooling material port flow controller for controlling the inflow of the cooling material therein, the hydrogen introducer is provided with a hydrogen inlet flow controller for controlling the inflow of the hydrogen therein, and the master controller is electrically connected with the hydrogen inlet flow controller and the cooling material port flow controller and controls the working states of the hydrogen inlet flow controller and the cooling material port flow controller.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the hydrogen bottle is also internally provided with a temperature measurer, the temperature measurer is electrically connected with the master controller, and the temperature measurer is used for measuring the temperature in the hydrogen bottle and transmitting a signal to the master controller.
In one alternative: the cooling heat exchange pipeline is provided with a plurality of strands of heat exchange pipelines, and each strand of heat exchange pipeline is in wavy wiring.
In one alternative: the cooling substance is water or oil.
A hydrogen storage cylinder hydrogenation method based on the hydrogen storage cylinder hydrogenation system, comprising the following steps:
the method comprises the following steps: measuring the internal temperature of the hydrogen cylinder by using a temperature measurer and transmitting the data of the temperature measurer to a master controller;
the method comprises the following steps: the set value of the inflow amount of the cooling material port flow controller and the set value of the inflow amount of the hydrogen gas in the hydrogen gas inlet flow controller are adjusted according to the data transmitted by the temperature measuring instrument.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the cooling heat exchange pipeline is arranged in the hydrogen bottle, and the cooling temperature in the hydrogen bottle is adjusted, so that the introduced hydrogen and metal can be quickly formed into metal hydride to generate a large amount of hydrogen absorption; thereby realizing the mass storage of hydrogen;
2. the invention can realize the control of the hydrogen and the cooling material entering the hydrogen bottle according to the inside of the hydrogen bottle through the cooling material port flow controller and the hydrogen inlet flow controller, and is suitable for the temperature in the hydrogen bottle and the hydrogen absorption efficiency of the hydrogen bottle.
Drawings
Fig. 1 is a schematic structural diagram of the system in one embodiment of the present invention.
FIG. 2 is a graph showing the relationship between the maximum hydrogen gas content that can be absorbed in the hydrogen occluding alloy and the hydrogen gas concentration.
FIG. 3 is a schematic diagram showing reaction enthalpy and reaction entropy change of the heat absorption and release of the hydrogen storage alloy.
FIG. 4 is a schematic diagram showing the phase change of the hydrogen storage alloy during hydrogen absorption and release.
Notations for reference numerals: the hydrogen gas supply system comprises a hydrogen bottle 1, a cooling and heat exchange pipeline 2, a master controller 3, a cooling substance leading-out device 6, a cooling substance leading-out module 7, a cooling substance port flow controller 8, a hydrogen gas leading-in device 9, a hydrogen gas inlet flow controller 91 and a temperature measuring device 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Overview of Hydrogen absorption of Hydrogen storage alloys
When the gaseous hydrogen molecule contacts the surface of the hydrogen storage alloy, the hydrogen molecule is firstly decomposed into hydrogen atoms, and then the hydrogen atoms enter the interstitial positions of the metal crystal lattice in a diffusion mode, and when the hydrogen atoms in the crystal lattice are increased to a certain concentration, the hydrogen atoms and the metal form metal hydride, so that a large amount of hydrogen absorption phenomenon is generated.
1. Hydrogen absorption dynamic property of hydrogen storage alloy
The hydrogen storage alloy is alloy metal (M) and hydrogen molecules (H) 2 ) Producing a reaction to produce a Metal Hydride (MH) n ) Storing hydrogen is a reversible reaction. The reaction formula is shown as follows:
Figure RE-GDA0003694841450000031
(M is a hydrogen storage alloy; MHn is a metal hydride; DELTA H is a heat of reaction)
From the above reaction, further study of the hydrogen absorption reaction process can be roughly divided into:
1) physical adsorption (Physisorption):
hydrogen storage alloyAfter the gold contacts with the hydrogen, the alloy surface contacts with hydrogen molecules (H) 2 ) Van der Waals force is generated between the two parts, so that gas is adsorbed on the surface of the alloy.
Figure RE-GDA0003694841450000041
2) Chemisorption (Chemisorption):
hydrogen molecules on the surface of the alloy decompose into hydrogen atoms and generate heat of chemisorption.
Figure RE-GDA0003694841450000042
3) Surface Penetration (Surface pennetration):
hydrogen atoms adsorbed on the surface penetrate into the hydrogen storage material through the surface defects of the alloy and enter into the sites of the tetragonal and octahedral lattice of the crystal structure to form an alpha-phase solid solution;
4) diffusion (Diffusion):
when the reaction continues, the hydrogen atoms dissolved in the alloy overcome the activation energy barrier chemically adsorbed to the interior of the alloy, and then continuously diffuse into the interior of the alloy, so that a large amount of hydrogen is stored in the interior of the alloy in the process.
5) Metal hydride (hydrido) hydride:
along with the storage of a large amount of hydrogen atoms in the interstitial positions of the alloy, the alpha-phase solid solution is close to saturation, and partial hydrogen atoms react with the solid solution to form a beta-phase with high hydrogen content, namely the stable hydrogen storage alloy;
2. hydrogen absorption rate of hydrogen storage alloy
The hydrogen uptake (adsorption) rate is expressed as:
Figure RE-GDA0003694841450000043
wherein C is a And E a Respectively the reaction time constant and the required activity of each alloy material during hydrogen absorptionEnergy conversion, example: c a ＝59.187sec -1 、E a ＝21179.60J/mo l e；P eq,a To balance the pressure, rho, for hydrogen absorption s Is the alloy density; rho sat The alloy absorbs hydrogen and has reached a density in the saturated state of 8416kg/m 3 ； R g Is the gas constant; t is the temperature. When the hydrogen gas pressure is greater than the equilibrium pressure and the alloy saturation density is greater than the alloy density, the two pieces are simultaneously erected, the alloy can absorb hydrogen, and at the moment m a Positive values.
3. Hydrogen absorption thermodynamic property of hydrogen storage alloy
When hydrogen enters the hydrogen storage alloy, a solid solution state alpha phase is generated, and the hydrogen pressure inside the alloy increases with the increase of the hydrogen concentration. When the hydrogen concentration is continuously increased and the amount of hydrogen dissolved in the hydrogen storage alloy gradually reaches saturation, the alloy reacts with part of the hydrogen gas to generate beta-phase metal hydride (metalhydride). When the alpha phase gradually transforms into the beta phase metal hydride, the alpha phase and the beta phase coexist according to the following:
Gibbsphaserule：F＝C-P+2
(F is the degree of freedom of the system, C is the number of components, and P is the number of phases)
Through the above formula conversion, a plateau region with constant pressure is generated in the phase diagram, and the pressure range of the plateau region is the effective hydrogen absorption and desorption content of the hydrogen storage alloy. And the slope of the graph of hydrogen pressure versus hydrogen concentration increases sharply when the alpha phase has completely transformed into the beta phase. The phase transition process during hydrogen absorption can be observed from the P-C-T (Pressure-Composition-Temperature) graph as shown in FIG. 4. It is shown in the literature data that as the temperature increases, the pressure at the platform of the hydrogen storage alloy increases, i.e., greater ambient pressure is required to enable the alloy to absorb hydrogen, and the maximum amount of hydrogen that the alloy can absorb is reduced, as shown in FIG. 2;
as can be seen from the above, when both alpha and beta phases coexist, the P-C-T curve has a distinct plateau region where the equilibrium pressure (P) is eq ) The relationship between the temperature and the alloy hydrogenation equilibrium pressure can be obtained according to Van't Hoff's law:
ΔG＝ΔH-T*ΔS
ΔG＝-RTln(K p )＝RTlnP H2
Figure RE-GDA0003694841450000051
(Δ G: Gibbs free energy change amount,. DELTA.H: enthalpy change amount,. DELTA.S: entropy change amount, Kp: equilibrium constant, R: ideal gas constant, T: absolute temperature)
In this way, the pressure can be plotted
Figure RE-GDA0003694841450000062
And temperature
Figure RE-GDA0003694841450000061
The slope and intercept of the curve can be known from the graph, so as to obtain the reaction enthalpy and reaction entropy change of the heat absorption and release of the hydrogen storage alloy, and the related characteristics of the hydrogen storage alloy can be known, as shown in FIG. 3.
In one embodiment, as shown in fig. 1 to 3, a hydrogen storage bottle hydrogenation system comprises a hydrogen bottle 1, a heat dissipation system, a master controller 3 and a hydrogen gas introducer 9, wherein the hydrogen gas introducer 9 is connected with an air inlet of the hydrogen bottle 1 and is used for introducing hydrogen gas into the hydrogen bottle 1; the heat dissipation system comprises a cooling heat exchange pipeline 2, a cooling substance importer 6 and a cooling substance exporting module 7, wherein the cooling heat exchange pipeline 2 is arranged inside the hydrogen bottle 1 and conducts cooling substances inside, and the cooling heat exchange pipeline 2 can exchange heat with the inside of the hydrogen bottle 1 and reduce the temperature inside the hydrogen bottle 1; the cooling material introducer 6 is connected with one end of the cooling heat exchange pipeline 2 and introduces cooling material into the cooling heat exchange pipeline 2; the cooling material guiding module 7 is connected with the other end of the cooling heat exchange pipeline 2 and guides out the cooling material in the cooling heat exchange pipeline 2; the cooling substance introducer 6 is provided with a cooling substance port flow controller 8 for controlling the inflow of the cooling substance therein, the hydrogen introducer 9 is provided with a hydrogen inlet flow controller 91 for controlling the inflow of the hydrogen therein, and the master controller 3 is electrically connected with the hydrogen inlet flow controller 91 and the cooling substance port flow controller 8 and controls the working states of the two;
in the present embodiment, since the hydrogen bottle 1 has a hydrogen storage alloy in the wall thereof; when gaseous hydrogen molecules contact the surface of the hydrogen storage alloy, the hydrogen molecules are firstly decomposed into hydrogen atoms, then the hydrogen atoms enter the interstitial positions of the metal crystal lattice in a diffusion mode, and when the hydrogen atoms in the crystal lattice are increased to a certain concentration, the hydrogen atoms and the metal form metal hydride to generate a large amount of hydrogen absorption; the lower the temperature in the hydrogen bottle 1 is, the more the hydrogen absorption amount is, and the shorter the hydrogen absorption time is; the cooling material port flow controller 8 controls the inflow amount of the cooling material introduced into the cooling heat exchange line 2 by the cooling material introducer 6 by controlling the cooling material port flow controller 8 and the hydrogen gas inlet flow controller 91 by the master controller 3; and the hydrogen inlet flow controller 91 controls the inflow amount of hydrogen gas introduced into the hydrogen bottle 1 by the hydrogen gas introducer 9; when the amount of the cooling substance introduced into the cooling heat exchange pipeline 2 changes, the heat exchange efficiency between the cooling heat exchange pipeline 2 and the inside of the hydrogen bottle 1 changes; the cooling material port flow controller 8 and the hydrogen gas inlet flow controller 91 may be various valves for controlling the flow of liquid in the prior art;
in one embodiment, as shown in fig. 1-3, a temperature measurer 10 is further installed in the hydrogen bottle 1, the temperature measurer 10 is electrically connected to the master controller 3, and the temperature measurer 10 is used for measuring the temperature inside the hydrogen bottle 1 and transmitting the signal to the master controller 3; the master controller 3 controls the working states of the cooling material port flow controller 8 and the hydrogen inlet flow controller 91 according to the signals transmitted by the temperature measurer 10, so as to realize the temperature control of the inside of the hydrogen bottle 1; the cooling substance is water or oil.
In one embodiment, as shown in fig. 1-3, the cooling heat exchange line 2 has a plurality of heat exchange tubes and each heat exchange tube is arranged in a wave shape; the contact surface between the heat exchange pipeline and the inside of the hydrogen bottle 1 is increased by the aid of the plurality of strands of wavy heat exchange pipelines, the time for cooling substances in the heat exchange pipelines to stay in the hydrogen bottle 1 is increased, and accordingly heat exchange efficiency is improved.
Based on the embodiment, the hydrogen storage bottle hydrogenation method is also disclosed, and the method comprises the following steps:
step 1: measuring the internal temperature of the hydrogen bottle 1 by using a temperature measurer 10 and transmitting the data of the temperature measurer to a master controller 3;
step 2: the set value of the inflow amount of the cooling material port flow controller 8 and the set value of the inflow amount of hydrogen gas in the hydrogen gas inlet flow controller 91 are adjusted based on the data transmitted from the temperature measuring instrument 10.
When the temperature is too high, a signal is sent to the hydrogen inlet flow controller 91 and the hydrogen inlet flow controller 91 lowers the set value of the hydrogen inflow to reduce the hydrogen inflow, and a signal is sent to the cooling material port flow controller 8 and the cooling material port flow controller 8 raises the set value of the cooling material inflow to increase the cooling liquid inflow; when the temperature is too low, a signal is sent to the hydrogen inlet flow rate controller 91 to increase the hydrogen inflow rate by adjusting the hydrogen inlet flow rate controller 91 to a high set value, and a signal is sent to the cooling material port flow rate controller 8 to decrease the cooling liquid inflow rate by adjusting the cooling material port flow rate controller 8 to a low set value.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (5)

1. A hydrogen storage bottle hydrogenation system comprises a hydrogen bottle, a heat dissipation system, a master controller and a hydrogen introducer, wherein the hydrogen introducer is connected with a hydrogen bottle air inlet and is used for introducing hydrogen into the hydrogen bottle; the cooling system is characterized by comprising a cooling heat exchange pipeline, a cooling substance importer and a cooling substance exporting module, wherein the cooling heat exchange pipeline is arranged in the hydrogen bottle and guides the cooling substance in the hydrogen bottle, and the cooling heat exchange pipeline can exchange heat with the inside of the hydrogen bottle and reduce the temperature in the hydrogen bottle; the cooling substance importer is connected with one end of the cooling heat exchange pipeline and introduces cooling substances into the cooling heat exchange pipeline; the cooling material guiding module is connected with the other end of the cooling heat exchange pipeline and guides out the cooling material in the cooling heat exchange pipeline; the cooling material introducer is provided with a cooling material port flow controller for controlling the inflow of the cooling material therein, the hydrogen introducer is provided with a hydrogen inlet flow controller for controlling the inflow of the hydrogen therein, and the master controller is electrically connected with the hydrogen inlet flow controller and the cooling material port flow controller and controls the working states of the hydrogen inlet flow controller and the cooling material port flow controller.
2. The hydrogen storage bottle hydrogenation system as claimed in claim 1, wherein a temperature measurer is further installed in the hydrogen storage bottle, the temperature measurer is electrically connected with the master controller, and the temperature measurer is used for measuring the temperature inside the hydrogen storage bottle and transmitting the signal to the master controller.
3. The hydrogen storage cylinder hydrogenation system of claim 1, wherein the cooling heat exchange line has a plurality of heat exchange tubes and each heat exchange tube is corrugated.
4. The hydrogen storage bottle hydrogenation system of claim 1, wherein said cooling substance is water or oil.
5. A hydrogen storage cylinder hydrogenation method based on the hydrogen storage cylinder hydrogenation system according to claim 2, characterized by comprising the steps of:
the method comprises the following steps: measuring the internal temperature of the hydrogen cylinder by using a temperature measurer and transmitting the data of the temperature measurer to a master controller;
the method comprises the following steps: the set value of the inflow amount of the cooling material port flow controller and the set value of the inflow amount of the hydrogen gas in the hydrogen gas inlet flow controller are adjusted according to the data transmitted by the temperature measuring instrument.
CN202210205876.4A 2022-03-04 2022-03-04 Hydrogen storage bottle hydrogenation system and method Pending CN114838289A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115405855A (en) * 2022-08-23 2022-11-29 西安交通大学 Solid hydrogen storage and stressed framework integrated device applied to traffic carrier

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