CN114653311B - Dehydrogenation reactor for liquid organic hydrogen storage material - Google Patents
Dehydrogenation reactor for liquid organic hydrogen storage material Download PDFInfo
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- CN114653311B CN114653311B CN202210284079.XA CN202210284079A CN114653311B CN 114653311 B CN114653311 B CN 114653311B CN 202210284079 A CN202210284079 A CN 202210284079A CN 114653311 B CN114653311 B CN 114653311B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Abstract
The utility model relates to a dehydrogenation reactor for liquid organic hydrogen storage materials, which is characterized in that the liquid hydrogen storage materials stored with hydrogen are introduced into a reaction shell to be subjected to catalytic reaction with a catalytic layer to generate a mixture of hydrogen and hydrogen storage carrier liquid foam, and the mixture enters a second cavity. When the hydrogen storage carrier contacts the split flow cover, the hydrogen storage carrier can be condensed into liquid and converged to the bottom of the reaction shell, and is discharged from the discharge port, and hydrogen can pass through the interception of the demister and enter the space inside the split flow cover and is discharged from the gas outlet pipeline, so that the gas-liquid two-phase separation after the hydrogen production reaction is realized, the liquid organic hydrogen storage material dehydrogenation reactor can produce pure hydrogen without being matched with an additional gas-liquid separation device, and the hydrogen storage material dehydrogenation reactor is convenient to use, small in occupied area and good in application prospect.
Description
Technical Field
The utility model relates to the technical field of hydrogen storage facilities, in particular to a dehydrogenation reactor for liquid organic hydrogen storage materials.
Background
At present, greenhouse gas emission is closely related to primary energy consumption. Fuel cells are considered to be ideal solutions for reducing emissions and achieving high energy density release. The hydrogen energy has the characteristics of rich sources, renewable energy, high energy density, clean combustion and the like, and is considered as ideal fuel for the fuel cell. Currently common hydrogen storage technologies mainly include compressed hydrogen storage, liquid hydrogen storage, porous material physical adsorption hydrogen storage, metal hydride chemisorption hydrogen storage and chemical hydride chemisorption hydrogen storage.
The liquid organic hydrogen storage carrier is derived from traditional petrochemical products, and has the advantages of high mass density and volume density, safe storage and transportation, low risk and extremely low CO/CO 2 Emission and the like, and is one of the hydrogen storage modes with great potential.
For example, chinese patent No. 210584919U discloses a dehydrogenation reaction device for liquid hydrogen storage material, which comprises a device base, wherein a reaction housing is fixed on the device base, an upper support frame is fixed at the upper part in the reaction housing, a lower support frame is fixed at the lower part in the reaction housing, a longitudinal rotation shaft is installed between the centers of the upper support frame and the lower support frame, a plurality of hollow reticular blades are arranged on the rotation shaft, a dehydrogenation catalyst is placed in the blades, a plurality of reticular inner wall carriers are arranged on the inner wall of the reaction housing, and a dehydrogenation catalyst is placed in the reticular inner wall carriers; the bottom of the reaction shell is provided with a liquid outlet; the middle part of the reaction shell is provided with a hydrogen-rich liquid hydrogen storage material inlet which is communicated with a liquid distributor positioned on the inner wall of the reaction shell. The device loads the dehydrogenation catalyst on the rotating blades and the inner wall of the reaction device, utilizes the rotating power of the blades to continuously update the hydrogen-rich medium on the surface of the catalyst, improves the dehydrogenation reaction rate, utilizes a vacuum pump to change the chemical balance, and promotes the efficient performance of the dehydrogenation reaction.
However, the dehydrogenation reaction device needs to be provided with an additional gas-liquid separation device to separate gas and liquid phases in the mixture obtained after catalysis, so that pure hydrogen can be obtained for combustion of the fuel cell, and the dehydrogenation reaction device has large occupied space and high cost.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a dehydrogenation reactor for liquid organic hydrogen storage materials, which is used for solving the problem of how to separate the gas phase and the liquid phase in the hydrogen production reaction product without adding a gas-liquid separation device in the hydrogen production process.
The utility model provides a dehydrogenation reactor for liquid organic hydrogen storage materials, which comprises the following components:
the top of the reaction shell is provided with a feed inlet for the liquid hydrogen storage material to enter, and the bottom of the reaction shell is provided with a discharge outlet;
the catalytic layer is arranged in the reaction shell and divides the internal space of the reaction shell into a first cavity and a second cavity, the first cavity is communicated with the feed inlet, the second cavity is positioned below the first cavity and is communicated with the discharge outlet, the catalytic layer is provided with a vent hole communicated with the first cavity and the second cavity, the catalytic layer can react with the liquid hydrogen storage material, and the mixture of hydrogen and hydrogen storage carrier liquid foam is released into the second cavity from the vent hole;
the split cover is arranged in the second cavity and below the vent hole, is hollow in the split cover and is provided with an opening at the bottom, and is used for converging the hydrogen storage carrier liquid foam which is dripped on the outer wall of the split cover into liquid so that hydrogen can be separated from the liquid;
the demister is arranged at the opening of the split cover and is used for sealing the split cover, and only hydrogen is allowed to enter the split cover;
and the air outlet pipeline is inserted into the reaction shell and communicated with the split cover for discharging hydrogen.
Preferably, the flow distribution cover is hemispherical arc-shaped plate, the opening of the flow distribution cover faces the bottom of the reaction shell, the demister is inscribed in the inner wall of the flow distribution cover, and the distance from the demister to the hemispherical bottom of the flow distribution cover along the axis direction of the flow distribution cover is smaller than the radius of the demister.
Preferably, one end of the air outlet pipeline is connected to the demister, and the other end of the air outlet pipeline is inserted into the bottom of the reaction shell.
Preferably, the catalytic layer is a monolithic catalyst, and an edge of the catalytic layer is connected to an inner wall of the reaction housing.
Preferably, the catalytic layer comprises a carrier, a coating, an active component and an auxiliary agent, wherein the carrier comprises a honeycomb ceramic carrier, the main component of the carrier comprises at least one of mullite, cordierite, spinel, aluminum oxide, titanium oxide, silicon oxide and aluminum titanate, the carrier is 50-600 meshes, the pore width is 0.5-3mm, and the aperture ratio is 60-80%; the coating is dip-coated on the carrier and comprises at least one of Al2O3, mesoporous silica and aluminosilicate molecular sieve; the primary active component comprises at least one of Pt, pd, ru, rh, ir, ni, wo, co, mo, zn, fe, cu and the adjunct comprises at least one of Sn, la, Y, ce, the primary active component and the adjunct being supported in the coating by incipient wetness impregnation.
Preferably, the hydrogen storage device further comprises an atomization assembly, wherein the atomization assembly is arranged in the first cavity and communicated with the feed inlet, and is used for atomizing the liquid hydrogen storage material.
Preferably, the atomization assembly comprises a cyclone nozzle, the cyclone nozzle is arranged in the top of the reaction shell, the cyclone nozzle is communicated with the feeding port, the diameter of the cyclone nozzle is 0.1-0.6mm, and the diffusion angle is 45-135 degrees.
Preferably, the atomizing assembly further comprises a foam ceramic layer, the foam ceramic layer is arranged in the first cavity and divides the first cavity into two parts, one surface of the foam ceramic layer faces the cyclone nozzle, the other surface of the foam ceramic layer faces the catalytic layer, the foam ceramic layer comprises at least one of alumina, silicon carbide and zirconia, the foam ceramic layer is 50-600 meshes, the pore width is 0.5-3mm, and the opening ratio is 60% -80%.
Preferably, the reaction device further comprises a jacket, wherein the jacket is sleeved on the reaction shell.
Preferably, the bottom of the reaction housing is hemispherical.
According to the liquid organic hydrogen storage material dehydrogenation reactor provided by the utility model, the liquid hydrogen storage material stored with hydrogen is introduced into the reaction shell to be subjected to catalytic reaction with the catalytic layer, so that a mixture of hydrogen and hydrogen storage carrier liquid foam is generated, and the mixture enters the second cavity. When the hydrogen storage carrier liquid foam mixed with hydrogen drops and contacts the split cover, the hydrogen storage carrier liquid foam can be adsorbed on the surface of the split cover and is converged into a liquid state from the liquid state, flows down along the surface of the split cover, is accumulated at the bottom of the reaction shell, and is discharged from the discharge hole. The hydrogen gas can be separated from the liquid foam on the surface of the split cover along with the convergence of the liquid foam of the hydrogen storage carrier, the demister can intercept the liquid foam of the hydrogen storage carrier which is not contacted with the split cover in the gas, and only the separated hydrogen gas is allowed to enter the space inside the split cover and is discharged from the gas outlet pipeline. Therefore, the gas-liquid two-phase separation after the hydrogen production reaction is realized, so that the liquid organic hydrogen storage material dehydrogenation reactor can produce pure hydrogen without being matched with an additional gas-liquid separation device, is convenient to use, occupies small area and has good application prospect.
Drawings
FIG. 1 is a schematic diagram of a dehydrogenation reactor for liquid organic hydrogen storage materials according to an embodiment of the present utility model.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
Referring to fig. 1, the present utility model provides a preferred embodiment of a liquid organic hydrogen storage material dehydrogenation reactor comprising a reaction housing 1, a catalytic layer 2, a split cover 3, a demister 4 and an outlet pipe 5. Wherein the top of the reaction shell 1 is provided with a feed inlet 11 for liquid hydrogen storage materials to enter, and the bottom is provided with a discharge outlet 12. The catalytic layer 2 is arranged in the reaction shell 1 and divides the inner space of the reaction shell into a first cavity and a second cavity, the first cavity is communicated with the feed inlet 11, the second cavity is positioned below the first cavity and is communicated with the discharge outlet 12, the catalytic layer 2 is provided with a vent hole which is communicated with the first cavity and the second cavity, the catalytic layer 2 can react with the liquid hydrogen storage material, and the mixture of hydrogen and hydrogen storage carrier liquid foam is released from the vent hole into the second cavity.
The split flow cover 3 is arranged in the second cavity and below the vent hole, the inside of the split flow cover 3 is hollow and is provided with an opening at the bottom, the split flow cover 3 can contact the hydrogen storage carrier liquid foam dripped on the outer wall of the split flow cover and is enabled to be converged into a liquid state, the liquid state flows to the bottom of the reaction shell 1 and is discharged from the discharge hole 12, and at the moment, hydrogen can be separated from the hydrogen storage carrier liquid foam along with liquefaction of the hydrogen storage carrier liquid foam. The demister 4 is provided at and closes the opening of the split cover 3 and allows only hydrogen to enter the split cover 3. The air outlet pipeline 5 is inserted in the reaction shell 1 and communicated with the split cover 3 for discharging the hydrogen.
According to the liquid organic hydrogen storage material dehydrogenation reactor provided by the utility model, the liquid hydrogen storage material stored with hydrogen is introduced into the reaction shell 1 to be subjected to catalytic reaction with the catalytic layer 2, so that a mixture of hydrogen and hydrogen storage carrier liquid foam is generated, and the mixture enters the second cavity. When the hydrogen storage carrier liquid foam mixed with hydrogen drops and contacts the split cover 3, it is adsorbed on the surface of the split cover 3 and is converged from the liquid foam state to the liquid state, flows down the split cover surface to accumulate at the bottom of the reaction housing 1, and is discharged from the discharge port 12. The hydrogen gas is separated from the liquid foam on the surface of the split cover 3 along with the convergence of the liquid foam of the hydrogen storage carrier, the demister 4 can intercept the liquid foam of the hydrogen storage carrier which is not contacted with the split cover 3 in the gas, only the separated hydrogen gas is allowed to enter the space inside the split cover 3 and is discharged from the air outlet pipeline 5, and thus, the gas-liquid two-phase separation after the hydrogen production reaction is realized.
The above components will be described in more detail below, respectively:
as a preferred embodiment, the reaction housing 1 in this embodiment is a main part of the whole reactor, and the bottom of the reaction housing is hemispherical, so that liquefied hydrogen storage carrier liquid foam is easy to collect and discharge from the discharge port 12, and no dead angle exists like a square plane. Meanwhile, the feed inlet 11 and the discharge outlet 12 may be any existing parts which can perform the function of guiding or controlling on-off, such as a pipeline, a valve, a nozzle, etc. inserted into the bottom of the reaction housing 1, besides the form of opening on the reaction housing 1.
As a preferred embodiment, the catalytic layer 2 in this embodiment is a monolithic catalyst, and the edges of the catalytic layer 2 are connected to the inner wall of the reaction housing 1. The integral catalyst has the advantages of more uniform reaction, more convenient installation and disassembly, and the like. It will be appreciated that in practice, a partition plate with a vent hole may be used as the catalytic layer 2 in combination with other types of catalysts, for example, the partition plate may be disposed in the reaction housing 1 and divided into a first cavity and a second cavity, and a particulate catalyst may be stacked on the side of the partition plate facing the first cavity.
As a preferred embodiment, the catalytic layer 2 in this embodiment includes a support, a coating layer, an active component, and an auxiliary agent. Wherein the support is the backbone portion of the entire monolithic catalyst, which not only serves as a support coating and active components, but will also provide suitable fluid channels for the catalytic reaction. The active component and the auxiliary agent are loaded in the coating layer and are dip-coated on the carrier.
Specifically, the carrier in the embodiment comprises a honeycomb ceramic carrier, and the main component of the carrier comprises at least one of mullite, cordierite, spinel, aluminum oxide, titanium oxide, silicon oxide, aluminum titanate and the like, wherein the carrier is 50-600 meshes, the pore width is 0.5-3mm, and the aperture ratio is 60% -80%. Dip coating of a coating on a support comprising Al 2 O 3 At least one of mesoporous silica, aluminosilicate molecular sieve, and the like. The main active component comprises at least one of noble metal Pt, pd, ru, rh, ir, non-noble metal Ni, wo, co, mo, zn, fe, cu and the like, the auxiliary agent comprises at least one of Sn, la, Y, ce, and the main active component and the auxiliary agent are loaded in the coating layer in a incipient wetness impregnation mode, so that the catalytic layer 2 can achieve a better catalytic effect.
As a preferred embodiment, the split cover 3 in this embodiment is a hemispherical arc-shaped plate, and the opening of the split cover 3 faces the bottom of the reaction housing 1. The opening that has guaranteed shunt housing 3 like this is towards the bottom of reaction housing 1, and the direction of hydrogen carrier liquid foam outflow in deviating from catalytic layer 2 promptly prevents that the liquid foam from directly falling into on the demister 4, influences the hydrogen rate of passage and to the interception effect of hydrogen carrier liquid foam. Meanwhile, the design can enable the hydrogen storage carrier liquid foam to be directly contacted with the diversion cover 3 when falling, so that the liquefying effect is improved.
As a preferred embodiment, the demister 4 in this embodiment is a wire mesh-shaped annular demister 4, which is disposed at an opening of an inner arm of the flow dividing cover 3 in a welding manner, and specifically, a distance from the demister 4 to a hemispherical bottom of the flow dividing cover 3 along an axis direction of the flow dividing cover 3 is smaller than a radius of the demister 4. Therefore, the contact area between the split cover 3 and the hydrogen storage carrier can be increased, and part of the surface of the inner wall of the split cover can participate in the liquefying function, so that the gas-liquid separation effect is improved.
As a preferred embodiment, one end of the air outlet pipe 5 in this embodiment is connected to the middle of the demister 4 by welding, and is communicated with the inside of the split cover 3, and the other end is inserted and penetrates the bottom of the reaction housing 1. In this way, the air outlet pipeline 5 can pray the exhaust function without damaging the surface of the split cover 3 so as not to reduce the contact area. In this embodiment, the air outlet pipe 5 extends vertically, and in practice, the air outlet pipe 5 may extend at will, and only the smooth discharge of the hydrogen is ensured.
Further, as a preferred embodiment, the hydrogen production device further comprises an atomization assembly 6, wherein the atomization assembly 6 is arranged in the first cavity and is communicated with the feed inlet 11, and is used for atomizing the liquid hydrogen storage material, so that the liquid hydrogen storage material is in more uniform contact with the catalytic layer 2, the reaction is more complete, and the hydrogen production efficiency is improved.
Specifically, the atomizing assembly 6 in the present embodiment includes a swirl nozzle 61, the swirl nozzle 61 is disposed in the top of the reaction housing 1, and the swirl nozzle 61 communicates with the feed port 11, i.e., is disposed in the original feed port 11 of the reaction housing 1, and the feed port of the swirl nozzle 61 itself serves as a new feed port 11 of the reaction housing 1. The diameter of the swirl nozzle 61 is preferably 0.1-0.6mm and the angle of diffusion is 45-135. After entering the reaction shell 1, the liquid organic hydrogen storage material is atomized into fine liquid drops through the cyclone nozzle 61, so that the mass transfer performance between liquid and solid is obviously enhanced, the reaction efficiency is effectively improved, and the occurrence of side reactions is reduced.
As a preferred embodiment, the atomizing assembly 6 in this embodiment further includes a ceramic foam layer 62, the ceramic foam layer 62 is disposed in the first cavity and divides the first cavity into two parts, one surface of the ceramic foam layer 62 faces the swirl nozzle 61, the other surface faces the catalytic layer 2, the material of the ceramic foam layer 62 includes at least one of alumina, silicon carbide and zirconia, the ceramic foam layer 62 has a pore width of 50-600 mesh, a pore width of 0.5-3mm, and an opening ratio of 60% -80%.
The ceramic foam layer 62 further atomizes the reactants and prevents the high concentration liquid hydrogen storage organic material from contacting the catalytic layer 2, further improving reaction efficiency, reducing side reactions, slowing catalyst coking, and extending catalyst life.
In addition, the cyclone nozzle 61 and the foam ceramic layer 62 can be matched to obviously enhance the catalytic performance of the catalyst, reduce the catalyst loading amount, reduce the volume of the reactor and prolong the service life of the catalyst under the condition of keeping the hydrogen production amount, and save the cost. It will be appreciated that in practice other existing atomizing means may be employed as the atomizing assembly 6 to atomize the liquid hydrogen storage material.
Further, the liquid organic hydrogen storage material dehydrogenation reactor in the embodiment further comprises a jacket 7, and the jacket 7 is sleeved on the reaction shell 1. Jacket 7 may be used to heat reaction housing 1 or may be insulated with insulation to provide a suitable reaction temperature inside the reactor.
According to the liquid organic hydrogen storage material dehydrogenation reactor provided by the utility model, the liquid hydrogen storage material stored with hydrogen is introduced into the reaction shell 1 to be subjected to catalytic reaction with the catalytic layer 2, so that a mixture of hydrogen and hydrogen storage carrier liquid foam is generated, and the mixture enters the second cavity. When the hydrogen storage carrier contacts the split cover 3, the hydrogen storage carrier is converged into liquid and is converged to the bottom of the reaction shell 1, and is discharged from the discharge hole 12, and hydrogen is separated from the hydrogen and passes through the interception of the demister 4 to enter the space inside the split cover 3 and is discharged from the gas outlet pipeline 5, so that the gas-liquid two-phase separation after the hydrogen production reaction is realized, the pure hydrogen can be manufactured by the liquid organic hydrogen storage material dehydrogenation reactor without being matched with an additional gas-liquid separation device, the use is convenient, the occupied area is small, and the application prospect is good.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, so that the same or similar parts between the embodiments are referred to each other.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (7)
1. A liquid organic hydrogen storage material dehydrogenation reactor comprising:
the top of the reaction shell is provided with a feed inlet for the liquid hydrogen storage material to enter, and the bottom of the reaction shell is provided with a discharge outlet;
the catalytic layer is arranged in the reaction shell and divides the internal space of the reaction shell into a first cavity and a second cavity, the first cavity is communicated with the feed inlet, the second cavity is positioned below the first cavity and is communicated with the discharge outlet, the catalytic layer is provided with a vent hole communicated with the first cavity and the second cavity, the catalytic layer can react with a liquid hydrogen storage material, and a mixture of hydrogen and hydrogen storage carrier liquid foam is released into the second cavity from the vent hole;
the split cover is arranged in the second cavity and below the vent hole, is hollow in the split cover and is provided with an opening at the bottom, and is used for converging hydrogen storage carrier liquid foam which is dripped on the outer wall of the split cover into liquid so that hydrogen can be separated from the liquid, the split cover is in a hemispherical arc-shaped plate shape, and the opening of the split cover faces the bottom of the reaction shell;
the demister is arranged at the opening of the flow distribution cover and is used for sealing the flow distribution cover and only allowing hydrogen to enter the flow distribution cover, the demister is connected to the inner wall of the flow distribution cover in an inscription manner, and the distance from the demister to the hemispherical bottom of the flow distribution cover along the axial direction of the flow distribution cover is smaller than the radius of the demister;
the gas outlet pipeline is inserted into the reaction shell and communicated with the split cover for discharging hydrogen, one end of the gas outlet pipeline is connected with the demister, and the other end of the gas outlet pipeline is inserted into the bottom of the reaction shell;
and the atomization assembly is arranged in the first cavity and communicated with the feed inlet and is used for atomizing the liquid hydrogen storage material.
2. The liquid organic hydrogen storage material dehydrogenation reactor according to claim 1, wherein the catalytic layer is a monolithic catalyst and an edge of the catalytic layer is connected to an inner wall of the reaction housing.
3. The dehydrogenation reactor for liquid organic hydrogen storage materials according to claim 2, wherein the catalytic layer comprises a carrier, a coating, an active component and an auxiliary agent, the carrier comprises a honeycomb ceramic carrier, the main component of the carrier comprises at least one of mullite, cordierite, spinel, alumina, titanium oxide, silicon oxide and aluminum titanate, the carrier is 50-600 meshes, the pore width is 0.5-3mm, and the aperture ratio is 60-80%; the coating is dip-coated on the carrier and comprises Al 2 O 3 At least one of mesoporous silica and aluminosilicate molecular sieves; the active component comprises at least one of Pt, pd, ru, rh, ir, ni, wo, co, mo, zn, fe, cu, the auxiliary comprises at least one of Sn, la, Y, ce, and the active component and the auxiliary are supported in the coating by incipient wetness impregnation.
4. A liquid organic hydrogen storage material dehydrogenation reactor according to any one of claims 1-3 and characterized in that said atomizing assembly comprises a swirl nozzle, said swirl nozzle is arranged in the top of said reaction housing, said swirl nozzle is in communication with said feed inlet, the diameter of said swirl nozzle is 0.1-0.6mm, and the diffusion angle is 45-135 °.
5. The liquid organic hydrogen storage material dehydrogenation reactor according to claim 4, wherein the atomizing assembly further comprises a foamed ceramic layer, wherein the foamed ceramic layer is arranged in the first cavity and divides the first cavity into two parts, one surface of the foamed ceramic layer faces the cyclone nozzle, the other surface of the foamed ceramic layer faces the catalytic layer, the foamed ceramic layer comprises at least one of aluminum oxide, silicon carbide and zirconium oxide, the foamed ceramic layer is 50-600 meshes, the pore width is 0.5-3mm, and the aperture ratio is 60% -80%.
6. The dehydrogenation reactor for liquid organic hydrogen storage materials according to any one of claims 1 to 3, further comprising a jacket, wherein the jacket is sleeved on the reaction shell.
7. A liquid organic hydrogen storage material dehydrogenation reactor according to any one of claims 1-3 and characterized in that the bottom of the reaction housing is hemispherical.
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