CN112642366A - Hydrogen production device - Google Patents
Hydrogen production device Download PDFInfo
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- CN112642366A CN112642366A CN202110017034.1A CN202110017034A CN112642366A CN 112642366 A CN112642366 A CN 112642366A CN 202110017034 A CN202110017034 A CN 202110017034A CN 112642366 A CN112642366 A CN 112642366A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 239000001257 hydrogen Substances 0.000 title claims abstract description 153
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 153
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 121
- 238000006243 chemical reaction Methods 0.000 claims abstract description 159
- 238000010438 heat treatment Methods 0.000 claims abstract description 144
- 238000003860 storage Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 50
- 238000005192 partition Methods 0.000 claims description 14
- 238000005338 heat storage Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005485 electric heating Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1217—Alcohols
- C01B2203/1223—Methanol
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention provides a hydrogen production device, which comprises a steam generating part, a hydrogen storage part and a hydrogen generating part, wherein the steam generating part is provided with a sealed steam reaction space, one end of the steam generating part close to the bottom in the vertical direction is provided with at least one steam material inlet, and one end of the steam generating part close to the top is provided with a steam outlet; the first heating assembly is arranged in the steam reaction space; the hydrogen production generating part is sleeved outside the steam generating part, a sealed hydrogen production reaction space is formed between the hydrogen production generating part and the steam generating part, and a hydrogen outlet is formed; the steam conveying channel is communicated with the steam outlet to the hydrogen production reaction space; a hydrogen production catalyst disposed in the hydrogen production reaction space; and the second heating assembly is arranged in the hydrogen production reaction space. The invention solves the technical problem of improving the technical effect of the utilization rate of the whole equipment to the occupied space by utilizing the combined use of the steam generating part and the hydrogen production generating part.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a hydrogen production device.
Background
With the limited nature of conventional energy and the increasing projection of environmental problems, new energy with the characteristics of environmental protection and regeneration is more and more paid attention from various countries. In the research of various new energy sources, hydrogen becomes the first choice of researchers in a completely clean combustion mode and the advantage of being capable of being regenerated, and in the hydrogen production process, strict requirements on the hydrogen production environment are required to be met so as to cause accidents.
In the prior art, particularly in the application of hydrogen production in the industrial field, the following two problems exist:
1) the existing equipment for producing hydrogen is usually independently arranged by a plurality of reaction furnaces, and the equipment for producing hydrogen is usually huge in volume, so that the problem of low utilization rate of occupied area is caused;
2) because the hydrogen production generating furnace and the steam generating furnace are independently arranged, the hydrogen production generating furnace and the steam generating furnace are communicated through an external pipeline, so that steam generated in the steam generating furnace can be transmitted into the hydrogen production generating furnace, but the temperature of the steam is easy to change in the process, partial liquefaction and other conditions can be caused, and the hydrogen production process is influenced.
Disclosure of Invention
The invention solves the technical problem that the floor space utilization rate of hydrogen production equipment in the prior art is low, and the utilization rate of the floor space is improved on the premise of ensuring the hydrogen production efficiency by combining the hydrogen production equipment.
In order to solve the above problems, the present invention provides a hydrogen production apparatus, comprising a vapor generation part having a sealed vapor reaction space, wherein one end of the vapor generation part is provided with at least one vapor material inlet, and one end of the vapor generation part near the top is provided with a vapor outlet; the first heating assembly is arranged in the steam reaction space; the hydrogen production generating part is sleeved outside the steam generating part, a sealed hydrogen production reaction space is formed between the hydrogen production generating part and the steam generating part, and a hydrogen outlet is formed; the steam conveying channel is communicated with the steam outlet to the hydrogen production reaction space; a hydrogen production catalyst disposed in the hydrogen production reaction space; and the second heating assembly is arranged in the hydrogen production reaction space.
In the embodiment, the hydrogen production generation part is sleeved outside the steam generation part, so that the effect of hydrogen production operation by combining the steam generation part and the hydrogen production generation part is realized, on one hand, the utilization rate of the whole equipment to the occupied space is improved by utilizing the combined use of the steam generation part and the hydrogen production generation part, and on the other hand, because the steam generation part and the hydrogen production generation part are in a sleeved relation, the steam transmission channel can be communicated with the steam reaction space and the hydrogen production reaction space through the inside, the temperature influence of the produced steam on the steam in the process due to an external pipeline is avoided, and the subsequent hydrogen production process is further influenced, so the hydrogen production effect can be improved by the internal design of the steam transmission channel.
Further, the first heating assembly is a hot exhaust gas.
In this embodiment, the hot exhaust gas is used as a heating condition to heat the vapor material disposed in the vapor reaction space, thereby obtaining vapor, and the energy-saving effect is achieved by reusing the hot exhaust gas discharged from the outside during the process.
Further, the second heating assembly is an electric heater.
In this embodiment, the electric heater is provided in the hydrogen production generation unit, and the steam produced from the steam generation unit is reacted under the catalytic action of the hydrogen production catalyst. Thereby obtaining hydrogen gas. Through the electric heating of the electric heater, a stable high-temperature environment can be formed in the hydrogen production reaction space.
Further, the vapor generation part includes: a vapor collection chamber provided with a vapor collection space; the first heating reaction chamber is arranged on one side of the vapor collection chamber and comprises a first heating reaction space; the second heating reaction chamber is provided with a second heating reaction space, and the first heating reaction chamber is clamped with the steam collecting chamber; wherein the at least one vapor material inlet communicates with the second heated reaction space; the at least one first connecting through hole is communicated with the first heating reaction space and the second heating reaction space, and the at least one second connecting through hole is communicated with the first heating reaction space and the vapor collecting space.
Further, the hot waste gas is arranged in the second heating reaction space, and the electric heater can also be arranged in the vapor collection chamber and/or the second heating reaction chamber.
In this embodiment, the hot exhaust gas is used as a heating condition to heat the steam material disposed in the second heating space to produce steam, and the electric heater is used for auxiliary heating, so that when the electric heater is disposed in the second heating reaction chamber, the efficiency of producing steam can be further improved, specifically, on one hand, a stable heating environment is formed in the second heating reaction space to prevent the temperature of the hot exhaust gas from dropping after a certain period of time to affect the efficiency of producing steam, and on the other hand, the influence of the inconsistent temperature of the hot exhaust gas entering through the steam material inlet on the whole efficiency of producing steam is avoided.
Furthermore, the first heating reaction chamber is provided with an exhaust gas outlet communicated with a hot exhaust gas space and a steam pipeline arranged in the hot exhaust gas space; the second heating reaction chamber comprises a third heating reaction space and at least one heating pipeline arranged in the second heating reaction space, and each heating pipeline is provided with a fourth heating reaction space; wherein the at least one first connecting through hole communicates with one end of the vapor pipe, the second connecting through hole communicates with the opposite end thereof, and the fourth heating reaction space of each of the heating pipes communicates with the hot exhaust gas space.
In this embodiment, each heating pipeline is connected to the steam material inlet, and is used for introducing hot exhaust gas into each fourth heating reaction space, so as to heat the steam material arranged in the third heating reaction space, and make the prepared steam be introduced into the steam collecting chamber through the steam pipeline, and in the whole steam preparation reaction process, make the hot exhaust gas successively pass through the steam material inlet, the heating pipeline, the hot exhaust gas space and the exhaust gas outlet, so as to realize the effect of cyclic utilization of the hot exhaust gas with the outside.
Further, each of the vapor pipes is annularly arranged.
In this embodiment, the steam pipeline can make the steam of locating in it obtain fully heating, avoids becoming the liquid because of heating inadequately, and then influences subsequent hydrogen manufacturing process.
Further, the heating device comprises at least one heat storage assembly, and each heat storage assembly is connected to the outside of each heating pipeline.
In this embodiment, in the hot exhaust gas heating process, because the reaction process needs to absorb the heat, and the rate of heat dissipation of hot exhaust gas is very fast, so through locating each heating conduit is outside the heat accumulation subassembly, can with the temperature in the second heating reaction space is in a certain extent remain, slows down the rate of cooling.
Further, the hydrogen production generation part comprises a partition board which is provided with at least one third connecting hole and at least one fourth connecting hole; wherein, the second heating assembly is connected with at least one third connecting hole in a matching way.
In this embodiment, in order to enable the steam entering the hydrogen production reaction space through the steam delivery channel to be fully reacted, the partition plate is arranged so that the steam can be uniformly distributed in the hydrogen production reaction space in the process of passing through the fourth connection holes, and then the steam can be fully reacted under the action of the electric heater and the hydrogen production catalyst, so that the hydrogen production efficiency is improved.
Further, the storage part is arranged on one side of the steam generation part far away from the hydrogen production generation part, and comprises: a storage space; a storage inlet communicating with the storage space; wherein the at least one vapor material inlet communicates the storage space with the vapor reaction space.
In this embodiment, the storage portion is disposed on a side of the vapor generation portion away from the hydrogen production generation portion to store the vapor material, thereby further improving the efficiency of the entire vapor generation reaction.
After the technical scheme of the invention is adopted, the following technical effects can be achieved:
(1) the hydrogen production generating part is sleeved outside the steam generating part, so that the effect of combining the steam generating part and the hydrogen production generating part into a whole for hydrogen production operation is realized, on one hand, the utilization rate of the whole equipment to the occupied space is improved by utilizing the combined use of the steam generating part and the hydrogen production generating part, and on the other hand, the steam reaction space and the hydrogen production reaction space can be communicated through the inside of the steam conveying channel due to the sleeved relation between the steam generating part and the hydrogen production generating part, so that the temperature influence of the produced steam on the steam in the process due to an external pipeline is avoided, and the influence on the subsequent hydrogen production process is avoided, and the hydrogen production effect can be improved due to the internal design of the steam conveying channel;
(2) in order to ensure that the steam entering the hydrogen production reaction space through the steam conveying channel can be fully reacted, the partition plate is arranged, so that the steam can be uniformly distributed in the hydrogen production reaction space in the process of passing through the fourth connecting holes, and can be fully reacted under the action of the electric heater and the hydrogen production catalyst, and the hydrogen production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a hydrogen production apparatus 100 according to an embodiment of the present invention.
Fig. 2 is a plan view of vapor generation unit 10 in fig. 1.
Fig. 3 is a sectional view taken along the line a-a shown in fig. 2.
Fig. 4 is a schematic structural view of the vapor generation unit 10 shown in fig. 2 from another view angle.
Fig. 5 is a sectional view taken along the direction B-B shown in fig. 4.
Fig. 6 is a plan view of hydrogen production-generating part 30 shown in fig. 1.
Fig. 7 is a cross-sectional view taken along the direction C-C shown in fig. 6.
Description of reference numerals:
100-a hydrogen production unit; 10-a vapour generating section; 12-a vapor material inlet; 14-a vapor collection chamber; 141-a vapour collection space; 15-a first heating reaction chamber; 151-first heated reaction space; 152-an exhaust gas outlet; 154-a vapor conduit; 16-a second heating reaction chamber; 162-a third heated reaction space; 163-heating the pipeline; 17-a first partition plate; 18-partition plate two; 20-a first heating assembly; 21-an electrical heating assembly; 30-a hydrogen production generation part; 31-a hydrogen production reaction space; 311-a first hydrogen production reaction space; 312-a second vapor reaction space; 32-a hydrogen outlet; 33-a separator; 60-a second heating assembly; 70-a heat storage component; 80-a storage section; 81-storage space; 82-storage inlet.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows:
referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a hydrogen production apparatus 100 according to an embodiment of the present invention. Hydrogen-producing apparatus 100 includes, for example, a vapor-generating portion 10, a first heating assembly 20, a hydrogen-producing generating portion 30, a vapor transport channel, a hydrogen-producing catalyst, and a second heating assembly 60.
The vapor generation section 10 includes, for example, a sealed vapor reaction space, at least one vapor material inlet 12, and a vapor outlet. The steam reaction space is arranged in a sealing way, and a first heating assembly 20 is arranged in the steam reaction space; a vapor material inlet 12 is positioned at one end of the vapor generation part 10 close to the bottom in the vertical direction, and is communicated with the vapor reaction space; the vapor outlet is opened at one end of the vapor generation part 10 close to the top thereof and communicated with the vapor reaction space.
Preferably, the vapor generation part 10 includes, for example, a vapor collection chamber 14, a first heating reaction chamber 15, and a second heating reaction chamber 16. Wherein, the vapor collection chamber 14 is provided with a vapor collection space 141; the first heating reaction chamber 15 is disposed at one side of the vapor collecting chamber 14, and the first heating reaction chamber 15 is provided with a first heating space 151; the second heating reaction chamber 16 and the vapor collecting chamber 14 form the first heating reaction chamber 15, and the second heating reaction chamber 16 is provided with a second heating reaction space. A first partition plate 17 is arranged between the first heating reaction chamber 15 and the second heating reaction chamber 16, and at least one first connecting through hole is formed in the first partition plate 17; a second partition plate 18 is arranged between the first heating reaction chamber 15 and the vapor collection chamber 14, and at least one second connecting through hole is formed in the second partition plate 18.
Further, the second heating reaction chamber 16, for example, further includes a third heating reaction space 162 and at least one heating pipe 163. The third heating reaction space 162 is spaced apart from each of the heating pipes 163; a fourth heating reaction space is provided in each heating pipe 163, and the fourth heating reaction space is isolated from the third heating reaction space 162.
First heated reaction chamber 15 includes, for example, an exhaust gas outlet 152, a first heated reaction space 151, and a vapor conduit 154. An exhaust gas outlet 152 communicates with the hot exhaust gas space; each of the first connecting through holes communicates each of the fourth heating reaction space and the hot exhaust gas space; the vapor pipe 154 is disposed in the hot exhaust gas space, and one end of the vapor pipe 154 near the second heating chamber 16 is communicated with the third heating reaction space 162, and the other opposite end is communicated with each of the second connecting through holes, i.e., the vapor pipe 154 is communicated with the third heating reaction space 162 and the vapor collecting space 141. Preferably, the waste gas outlet 152 may be provided at a side of the first heating reaction chamber 15 adjacent to the vapor concentrating chamber 14. For example, although the temperature of the reacted hot exhaust gas is lowered compared to the temperature of the reacted hot exhaust gas initially introduced into the vapor generation part 10, the exhaust gas outlet 152 is disposed at a side of the first heating reaction chamber 15 close to the vapor collection chamber 14 according to the principle that the hot gas is raised and the cold gas is lowered, so as to facilitate the discharge of the reacted hot exhaust gas.
Preferably, the vapor conduit 154 is annularly disposed. For example, the first connecting through hole and the second connecting through hole are only one, the annularly arranged vapor pipe 154 is specifically an annularly arranged pipe with a plurality of circles, and the annularly arranged pipe extends along the height direction of the first heating reaction chamber 15 and is provided with a first vapor inlet and a first vapor outlet, and the first vapor inlet is connected with the first connecting through hole and is further communicated with the third heating reaction space 162; the first vapor outlet is connected to the second connecting through hole, and further communicated with the vapor collecting space 141. The following relationships exist for the respective spaces formed between the first heating reaction chamber 15, the second heating reaction chamber 16, and the vapor collection chamber 14: the third heating reaction space 162, the vapor pipe 154 and the vapor concentration space 141 are communicated to form a first combined space; each of the heating pipes 163 communicates with the first heating reaction space 151 to form a second combined space. The first combined space and the second combined space are isolated from each other.
Preferably, the vapor conduit 154 may also be a plurality of vapor lines, each of which is evenly distributed within the first heating reaction chamber 15. For example, a ceramic heat storage member is disposed outside each of the vapor pipes to ensure that the temperature of the vapor is maintained as much as possible when the vapor flows in each of the vapor pipes, so as to prevent the vapor from being liquefied due to too fast temperature drop, and thus, a part of the vapor remains in the vapor pipe in a liquid form, which affects the subsequent vapor collection and hydrogen production processes.
Preferably, hydrogen-producing apparatus 100 also includes, for example, at least one thermal storage assembly 70. Each heat accumulation member 70 is connected to the outside of each heating pipe 163. For example, each heat accumulating component 70 is a ceramic heat accumulating block, which is sleeved outside each heating pipe 163. When hot exhaust gas is introduced into each heating pipe 163, the ceramic heat storage block can retain a large amount of heat of the hot exhaust gas, and a high-temperature heating environment is maintained to some extent.
Referring to fig. 6-7, the hydrogen production reaction part 30 is sleeved outside the steam generation part 10, and is in an annular hollow configuration, and includes, for example, a hydrogen production reaction space 31 forming a seal with the steam generation part 10 and a hydrogen gas outlet 32 communicating with the hydrogen production reaction space 31. The steam conveying channel is communicated with the steam outlet to the hydrogen production reaction space 31; the hydrogen production catalyst is arranged in the hydrogen production reaction space 31; a second heating assembly 60 is also provided within hydrogen-producing reaction space 31. For example, the steam outlet is arranged on one side of the steam generating part 10 close to the hydrogen production generating part 30, and is directly communicated to the hydrogen production reaction space 31 through the steam conveying channel, so that the temperature of the prepared steam is prevented from being reduced in the process of introducing the prepared steam into the hydrogen production reaction space 31 through the external environment, and the subsequent hydrogen production reaction is prevented from being influenced.
Preferably, the second heating assembly 60 is an electric heater.
Further, the hydrogen production reaction part 30 includes, for example, a separator 33. The partition 33 divides the hydrogen production reaction space 31 into a first hydrogen production reaction space 311 and a second hydrogen production reaction space 312. First hydrogen-producing reaction space 311 is located on the side of second hydrogen-producing reaction space 312 away from vapor collection chamber 14, and the vapor transport channels communicate with first hydrogen-producing reaction space 311. The partition 33 is provided with a plurality of third connection holes and a plurality of fourth connection holes. The third connecting holes are uniformly distributed on the partition plate 33, communicate the first hydrogen production reaction space 311 with the second hydrogen production reaction space 312, and are connected with the second heating assembly 60 in a matching manner; the plurality of fourth connection holes are also uniformly distributed on the partition plate 33, and also communicate the first hydrogen production reaction space 311 with the second hydrogen production reaction space 312.
For example, the second heating assembly 60 is an electric heater, the electric heater is provided with a plurality of electric heating strips vertically inserted into the hydrogen production reaction space 31, each electric heating strip passes through each third connecting hole, and the plurality of third connecting holes are uniformly distributed, so that the plurality of electric heating strips in matching connection therewith are also uniformly distributed, when steam is generated by the steam generating part 10 and introduced into the first hydrogen production reaction space 311, the steam is continuously generated, so that the steam is extruded into the second hydrogen production reaction space 312 and passes through the plurality of uniformly distributed fourth connecting holes, so that the steam is uniformly distributed in the second hydrogen production reaction space 312, the plurality of electric heating strips can be fully contacted with the steam, and the whole hydrogen production effect is further improved.
Preferably, hydrogen production apparatus 100 further includes, for example, storage unit 80. The storage part 80 is provided on a side of the vapor generation part 10 away from the hydrogen generation part 30, and includes, for example, a storage space 81 and a storage inlet 82 communicating with the storage space 81. Wherein the storage space 81 is connected to the vapour material inlet 12, thereby communicating with the vapour reaction space. For example, the storage space 81 is connected to each heating pipe 163, and the external hot exhaust gas can be introduced into the storage space 81 through the storage inlet 82.
The hydrogen production process of the hydrogen production apparatus 100 described above will be described in detail below with reference to the case where the first heating element is a hot exhaust gas:
the vapor material is firstly disposed in the third heating reaction space 162 of the second heating reaction chamber 16, the hot exhaust gas is introduced into the storage space 81 through the storage inlet 82, and is extruded into the fourth heating reaction space of each heating pipe 163 while continuously introducing the hot exhaust gas, and then enters the hot exhaust gas space 151 communicated with each fourth heating reaction space, and finally exits from the exhaust gas outlet 152. The steam material is continuously radiated into the third heating reaction space 162 by each heating pipe 163 in the third heating reaction space 162 to react with the steam material to generate steam, the steam is sent into the steam pipeline 154 via the third heating reaction space 162 and then is output into the steam collecting space 141 by the steam pipeline 154, the steam is superheated by the electric heating component 21 in the steam collecting space 141 to form superheated steam, finally the superheated steam enters the hydrogen production reaction space 31 from the steam collecting space 141 through the steam conveying channel, and mixed steam containing certain hydrogen is generated in the hydrogen production reaction space 31 under the action of the hydrogen production catalyst and the second heating component 60 and then is output from the hydrogen outlet 32.
In another embodiment, the first heating assembly may also be off-gas heating. A tail gas catalyst is arranged in the inner cavity of each heating pipeline 163, the tail gas is introduced into the steam material inlet 12, the tail gas reacts with the tail gas catalyst arranged in the heating pipelines 163, the steam material generates steam by using a large amount of heat generated by the reaction, the steam is heated again by the electric heating component 21 in the steam collecting space 141 to form superheated steam, the superheated steam enters the hydrogen production generating part 30 to carry out the hydrogen production process, and finally the hydrogen is discharged from the hydrogen outlet 32. During the whole process, the exhaust gas generated by the reaction of the tail gas is discharged from the exhaust gas outlet 152.
In a third particular embodiment, the first heating assembly 20 is an electric heater. The electric heater may be provided at one side of the second heating reaction chamber 16 and communicate with the third heating reaction space 162, and the vapor material is heated by the electric heater to obtain vapor. The hydrogen production efficiency is improved in order to allow the obtained steam to enter the hydrogen production generation unit 30 in a stable high-temperature environment. The electric heater may be further provided in the first heating reaction chamber 15 and/or the vapor collection chamber 14 to maintain a stable heating environment in the corresponding space, so that the vapor is formed into superheated vapor.
Example two:
the steam generating part 10 is a circular ring cylinder structure, the hydrogen production generating part 30 is also a circular ring cylinder structure, and the hydrogen production generating part 30 is sleeved outside the steam generating part 10. A steam outlet is formed in one side, far away from the hydrogen production generating part 30, of the steam generating part 10, a steam inlet is formed in the opposite position, far away from the steam generating part 10, of the hydrogen production generating part 30, and the steam outlet and the steam inlet are connected through a peripheral pipeline assembly and are communicated with a hydrogen production reaction space. The pipeline assembly is provided with a thermometer and a control valve, the thermometer is used for detecting the temperature of the steam in the pipeline assembly, and when the temperature of the steam is too low, the temperature in the steam reaction space is adjusted to increase the temperature of the steam; the opening or closing of the control valve is adjusted to allow the steam to be introduced into the hydrogen production reaction space 31 or to stop the steam from being introduced into the hydrogen production reaction space 31.
Example three:
this embodiment differs from the first and second embodiments described above in that the hydrogen production apparatus 100 in this embodiment is arranged in a side-by-side configuration. For example, the hydrogen production devices 100 are placed in a lateral horizontal manner, and a plurality of hydrogen production devices 100 can be stacked through a support frame, so that the three-dimensional space is fully utilized.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A hydrogen production apparatus, comprising:
the vapor generating part is provided with a sealed vapor reaction space, one end of the vapor generating part is provided with at least one vapor material inlet, and the other end of the vapor generating part is provided with a vapor outlet;
the first heating assembly is arranged in the steam reaction space;
the hydrogen production generating part is sleeved outside the steam generating part, a sealed hydrogen production reaction space is formed between the hydrogen production generating part and the steam generating part, and a hydrogen outlet is formed;
the steam conveying channel is communicated with the steam outlet to the hydrogen production reaction space;
a hydrogen production catalyst disposed in the hydrogen production reaction space;
and the second heating assembly is arranged in the hydrogen production reaction space.
2. The hydrogen generation assembly of claim 1, wherein the first heating assembly includes a hot exhaust heating channel, the hot exhaust heating the vapor material.
3. The hydrogen generation assembly of claim 2, wherein the second heating assembly is an electric heater.
4. The hydrogen generation assembly of claim 3, wherein the vapor generation section comprises:
a vapor collection chamber provided with a vapor collection space;
the first heating reaction chamber is arranged on one side of the vapor collection chamber and comprises a first heating reaction space;
the second heating reaction chamber is provided with a second heating reaction space, and the first heating reaction chamber is clamped with the steam collecting chamber;
wherein the at least one vapor material inlet communicates with the second heated reaction space; the at least one first connecting through hole is communicated with the first heating reaction space and the second heating reaction space, and the at least one second connecting through hole is communicated with the first heating reaction space and the vapor collecting space.
5. The hydrogen generation assembly of claim 4, wherein the hot exhaust gas is provided in the second heating reaction space, and the electric heater is further provided in the vapor collection chamber and/or the second heating reaction chamber.
6. The hydrogen production plant according to claim 4, wherein the first heating reaction chamber is provided with an exhaust gas outlet communicating with a hot exhaust gas space and a vapor pipe provided in the hot exhaust gas space;
the second heating reaction chamber comprises a third heating reaction space and at least one heating pipeline arranged in the second heating reaction space, and each heating pipeline is provided with a fourth heating reaction space;
wherein the at least one first connecting through hole communicates with one end of the vapor pipe, the second connecting through hole communicates with the opposite end thereof, and the fourth heating reaction space of each of the heating pipes communicates with the hot exhaust gas space.
7. The hydrogen generation assembly of claim 4, wherein the vapor conduit is annularly disposed.
8. The hydrogen generation assembly of claim 6, comprising at least one heat storage assembly, each heat storage assembly being connected to the exterior of each heating conduit.
9. The hydrogen generation assembly of claim 1, wherein the hydrogen generation part comprises a partition plate provided with at least one third connection hole and at least one fourth connection hole;
wherein, the second heating assembly is connected with at least one third connecting hole in a matching way.
10. The hydrogen generation assembly of any of claims 1-9, comprising:
the storage part is arranged on one side of the steam generation part far away from the hydrogen production generation part, and comprises:
a storage space;
a storage inlet communicating with the storage space;
wherein the at least one vapor material inlet communicates the storage space with the vapor reaction space.
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Effective date of registration: 20231227 Address after: Building 1, Unit 1, 2nd Floor, No. 112-1 Hongqiao Street, High tech Zone, Neijiang City, Sichuan Province, 641000, No. 21 BC Zone Applicant after: Sichuan Woyouda Technology Co.,Ltd. Address before: No.404, building 14, new town entrepreneurship center, Zengcheng low carbon headquarters park, No.400 Xincheng Avenue, Zengcheng District, Guangzhou, Guangdong Province Applicant before: Guangdong alcohol hydrogen New Energy Research Institute Co.,Ltd. |