CN214528131U - Hydrogen production device - Google Patents
Hydrogen production device Download PDFInfo
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- CN214528131U CN214528131U CN202120076140.2U CN202120076140U CN214528131U CN 214528131 U CN214528131 U CN 214528131U CN 202120076140 U CN202120076140 U CN 202120076140U CN 214528131 U CN214528131 U CN 214528131U
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 293
- 239000001257 hydrogen Substances 0.000 title claims abstract description 293
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 292
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 146
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 239000003054 catalyst Substances 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 98
- 238000005338 heat storage Methods 0.000 claims description 30
- 238000002485 combustion reaction Methods 0.000 claims description 22
- 238000013021 overheating Methods 0.000 claims description 18
- 239000002912 waste gas Substances 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 238000003860 storage Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
-
- 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
-
- 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
- C01B2203/0833—Heating by indirect heat exchange with hot fluids, other than combustion gases, product gases or non-combustive exothermic reaction product gases
-
- 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
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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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a hydrogen production device. The hydrogen production apparatus includes, for example: a housing having an accommodating space therein; the accommodating space includes: the liquid accommodating cavity and the hydrogen accommodating cavity are arranged, and a partition plate is arranged between the cavities; the hydrogen production pipe is internally provided with a hydrogen production catalyst and is communicated with the liquid containing cavity and the hydrogen containing cavity; the hydrogen plant further includes: a heating chamber, and/or an electric heater; the heating cavity is arranged between the liquid containing cavity and the hydrogen containing cavity, and the electric heater is arranged in the liquid containing cavity and/or the hydrogen producing pipe. The utility model can effectively solve the technical problems of low hydrogen production efficiency, complex hydrogen production device structure and high steam heat consumption.
Description
Technical Field
The utility model is suitable for a chemical industry equipment technical field especially relates to a hydrogen production device.
Background
Energy is the most important element in human economic activities. Hydrogen energy is emerging as a recognized clean energy source in today's society as a low carbon and zero carbon energy source. Hydrogen as a new energy fuel represents a very broad and potential market. The inevitable development of how to prepare and meet from planning and technology is a very important matter. It is a future trend to select advanced technologies, rational methods to produce and use hydrogen to achieve maximum economic and environmental benefits.
At present, methanol is widely used for preparing hydrogen, and the methanol hydrogen preparation refers to a process for preparing hydrogen by taking methanol as a raw material and carrying out a conversion reaction through methanol steam under the action of a hydrogen preparation catalyst under certain temperature and pressure conditions. In the prior art, the method of recycling the mixed gas obtained by mixing the tail gas obtained by the reaction of the methanol vapor and the hydrogen production catalyst with the air by combustion catalysis effectively reduces the resource loss. However, when the existing equipment utilizes the tail gas to produce hydrogen by combustion, steam is required to be firstly produced by the steam generating device, then the steam is introduced into the hydrogen reaction device to react with the hydrogen production catalyst to produce hydrogen, the structure is complex, the steam generating device, the hydrogen reaction device, a connecting pipeline between the steam generating device and the hydrogen reaction device and the like are required to be independently arranged, and the overall efficiency is low.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a hydrogen production device, the utility model discloses can effectual solution hydrogen production inefficiency, hydrogen production device structure complicacy, the higher technical problem of vapour heat consumption.
The utility model provides a pair of hydrogen production device, include: a housing having an accommodating space therein; the accommodating space includes: the hydrogen storage device comprises a liquid accommodating cavity and a hydrogen accommodating cavity, and a partition plate is arranged between the cavities; the hydrogen production pipe is internally provided with a hydrogen production catalyst and is communicated with the liquid containing cavity and the hydrogen containing cavity; the hydrogen production device further comprises a heating cavity and/or an electric heater, the heating cavity is arranged between the liquid containing cavity and the hydrogen containing cavity, and the electric heater is arranged in the liquid containing cavity and/or the hydrogen production pipe.
Further, in an embodiment of the present invention, the heating chamber includes a tail gas accommodating chamber and/or a hot exhaust gas heating chamber, wherein the tail gas accommodating chamber includes: the first accommodating cavity is positioned in the accommodating space and close to the liquid accommodating cavity; the second accommodating cavity is positioned between the first accommodating cavity and the hydrogen accommodating cavity; the tail gas inlet is formed in the first accommodating cavity; the combustion catalyst is filled in the second accommodating cavity; the hot waste gas heating cavity is arranged between the liquid containing cavity and the hydrogen containing cavity, and is provided with a hot waste gas inlet and a waste gas outlet.
In the tail gas accommodating cavity, the hydrogen production pipe can be heated by heat generated by reaction of the tail gas and the combustion catalyst, and/or the hydrogen production pipe is heated by introducing hot waste gas into the hot waste gas heating cavity; the first chamber that holds can hold tail gas, and tail gas follows tail gas gets into the first intracavity that holds can the first intracavity that holds distributes evenly the back, gets into the second holds the intracavity, with combustion catalyst reaction produces the heat, and tail gas gets into this moment the second holds the intracavity back, can with combustion catalyst fully reacts, has improved the utilization ratio of tail gas.
Further, in an embodiment of the present invention, the accommodating space further includes: the overheating cavity is arranged between the second accommodating cavity and the hydrogen accommodating cavity; and a heat storage component capable of storing heat is arranged in the overheating cavity.
The heat storage assembly is arranged in the overheating cavity, the burnt tail gas enters the overheating cavity, and then the heat of the burnt tail gas is absorbed by the heat storage assembly, and the heat absorbed by the heat storage assembly can be continuously heated by the hydrogen production pipe, so that the hydrogen production efficiency is improved.
Further, in an embodiment of the present invention, a partition plate is also disposed between the first accommodating chamber and the second accommodating chamber and between the overheating chambers, and a tail gas circulation hole is disposed on the partition plate, through which the tail gas can pass.
The tail gas can circulate among the first accommodating cavity, the second accommodating cavity and the overheating cavity in the hydrogen production device, and the arrangement of the partition plate enables the tail gas to be uniformly distributed in the accommodating space, so that the heat after combustion can be fully absorbed.
Further, in an embodiment of the present invention, a liquid isolation space is disposed between the hydrogen production catalyst and the liquid containing chamber.
The arrangement of the liquid isolation space can effectively ensure that when liquid is added into the liquid containing cavity, the liquid cannot be directly contacted with the hydrogen production catalyst, and the efficiency of the hydrogen production catalyst cannot be influenced; furthermore, steam generated by the liquid enters the hydrogen production pipe, so that the steam efficiency generated by the hydrogen production device is ensured.
Further, in an embodiment of the present invention, the heat storage component is a heat storage block, and/or a heat storage ball, and the heat storage component is filled between at least one hydrogen production pipe and the casing.
The heat storage blocks or the heat storage balls are filled in the overheating cavity, gaps capable of circulating tail gas are formed among the heat storage balls or the heat storage balls, and the heat storage blocks or the heat storage balls can absorb heat of the tail gas after combustion.
Further, in an embodiment of the present invention, the hydrogen production pipe includes: a vapor tube communicating to the liquid accommodating chamber; a hydrogen pipe communicated to the hydrogen accommodating cavity; wherein the hydrogen tube is located at an upper end of the steam tube in a vertical direction.
The hydrogen pipe is communicated with the hydrogen containing cavity, the vapor pipe is communicated with the liquid containing cavity, the purpose that the hydrogen producing pipe can directly produce hydrogen by vapor in the hydrogen producing device is guaranteed, and the hydrogen producing device is provided with an integrally formed structure, so that the occupied space of the hydrogen producing device is saved.
Further, in an embodiment of the present invention, a porous partition is disposed between the steam pipe and the hydrogen pipe.
The porous partition plate can achieve the purpose that steam is communicated to the hydrogen pipe from the steam pipe, and further enables the steam to react with the hydrogen production catalyst in the hydrogen pipe to generate hydrogen.
Further, in an embodiment of the present invention, the steam pipe and the hydrogen pipe are integrally formed, or the steam pipe and the hydrogen pipe are detachably connected.
The steam pipe and the hydrogen pipe are integrally formed, so that the installation space of the hydrogen production pipe is saved, the utilization rate of the internal space of the hydrogen production device is enhanced, and the purpose of independently replacing the steam pipe or the hydrogen pipe can be realized by detachably connecting the steam pipe and the hydrogen pipe.
Further, in an embodiment of the present invention, the present invention further includes: and the liquid level device is arranged outside the shell, one end of the liquid level device is communicated with the hydrogen containing cavity, and the other end of the liquid level device is communicated to the liquid containing cavity.
The liquid level device can detect the liquid storage amount in the liquid containing cavity in the hydrogen production device, and the liquid in the hydrogen production device is smaller than 30L, so that the liquid storage capacity is smaller than a state-specified liquid storage cavity, and no provision is needed.
To sum up, adopt the technical scheme of the utility model afterwards, can reach following technological effect:
i) the hydrogen production catalyst is arranged in the hydrogen production pipe, and can directly generate hydrogen in the hydrogen production pipe, so that the reaction space is saved, the manufacturing cost of the device and the complexity of the structure are effectively reduced, and the whole structure is more simplified;
ii) the electric heater is arranged, so that the temperature required by the reaction of the steam and the hydrogen production catalyst is effectively ensured, and the hydrogen generation rate is effectively enhanced;
and iii) by the reaction of the combustion catalyst and the tail gas, the cyclic utilization of resources can be realized, the generated heat can further heat the hydrogen production pipe, the temperature required by the reaction of the steam in the hydrogen production pipe and the hydrogen production catalyst is ensured, and the tail gas after combustion is discharged, so that the environment is not polluted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
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 cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of the internal structure of hydrogen production apparatus 100 in FIG. 1;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a schematic view of a portion of the structure of FIG. 2;
FIG. 6 is a schematic structural view of the second flange 9 of FIG. 5;
FIG. 7 is a schematic structural view of the first upper flange 71 of FIG. 3;
fig. 8 is a schematic structural diagram of a hydrogen production tube 4 according to a second embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a piping system 90 according to a third embodiment;
FIG. 10 is a schematic view of another angular configuration shown in FIG. 9;
fig. 11 is a schematic structural diagram of a hydrogen production apparatus 100 according to a third embodiment of the present invention.
Description of the main element symbols:
100 is a hydrogen production device; 1 is a liquid accommodating cavity; 11 is a fluid infusion port; 12 is a liquid outlet; 13 is a first electric heater; 14 is a liquid isolation space; 2 is a hydrogen accommodating cavity; 21 is a hydrogen gas connecting port; 22 is a liquid level device connecting port; 3 is a tail gas containing cavity; 31 is a first accommodating cavity; 311 is a tail gas inlet; 32 is a second accommodating cavity; 321 is a combustion catalyst inlet; 4 is a hydrogen production pipe; 41 is a steam pipe; 411 is a liquid inlet; 412 is a vapor outlet; 42 is a hydrogen tube; 421 is a steam inlet; 422 is a hydrogen outlet; 423 are fins; 5 is a overheating cavity; 51 is a heat accumulation component inlet; 6 is a tail gas discharge cavity; 61 is a tail gas outlet; 7 is a first flange; 71 is a first upper flange; 711 is electric heating tube mouth; 72 is a first lower flange; 8 is a clapboard; 9 is a second flange; 91 is a second upper flange; 911 is a hydrogen production pipe connecting port; 92 is a second lower flange; numeral 921 denotes an opening; 10 is a shell; 20 is a liquid level device; 201 is a control valve; 30 is a supporting seat; 40 is a pipeline; 401 is a hydrogen pipeline; 401a is a first hydrogen gas line; 401b is a second hydrogen gas line; 401c is a third hydrogen gas line; 401d is a fourth hydrogen gas line; 4011 is a safety pipe; 4012 is a pressure transmitter; 4013 is a pressure gauge; 4014 is a first flow meter; 4015 is a safety valve; 402 is a tail gas pipeline; 402a is a tail gas conveying pipe; 4021 is a second flow meter; 4022 is a solenoid valve; 403 is a pump inlet pipe; 403a is a first liquid conduit; 403b is a second liquid conduit; 404 is a pump outlet pipe; 405 is a liquid inlet pump; 406 is an air duct; 50 is a plate heat exchanger; 60 is an air cooler; 70 is a support part; and 90 is a piping system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1 and 2, an embodiment of the present invention provides a hydrogen production apparatus 100. The hydrogen production apparatus 100 includes, for example: the hydrogen storage device comprises a shell 10 and a support seat 30, wherein the shell 10 is internally provided with a containing space (not shown in the figure), and a liquid containing cavity 1 and a hydrogen containing cavity 2 are sequentially arranged in the containing space; the liquid containing cavity 1 is used for containing liquid required to produce hydrogen, and the hydrogen containing cavity 2 is used for containing hydrogen produced by the hydrogen production device 100.
Further, hydrogen production apparatus 100 further includes: and the heating cavity is arranged between the liquid accommodating cavity 1 and the hydrogen accommodating cavity 2.
Preferably, the heating chamber comprises: an off-gas containing chamber 3, and/or a hot off-gas heating chamber (not shown); the hot waste gas heating chamber is arranged between the liquid containing chamber 1 and the hydrogen containing chamber 2, and is provided with a hot waste gas inlet (not shown in the figure) and a waste gas outlet (not shown in the figure).
Preferably, the combustion catalyst is filled in the tail gas containing cavity 3; the casing 10 is provided with an exhaust gas inlet 311 and a combustion catalyst filling port 321 at a position corresponding to the exhaust gas accommodating chamber 3.
Further, the exhaust gas accommodating chamber 3 includes: a first accommodating cavity 31 and a second accommodating cavity 32, wherein the first accommodating cavity 31 is positioned at one side close to the liquid accommodating cavity 1, and the second accommodating cavity 32 is positioned between the first accommodating cavity 31 and the hydrogen accommodating cavity 2; the tail gas inlet 311 is arranged in the first accommodating cavity 31, and the combustion catalyst inlet 321 is arranged in the second accommodating cavity; the combustion catalyst is filled in the second accommodation chamber 321.
Preferably, the supporting base 30 is installed at the lower side of the casing 10 for supporting the hydrogen production device 100, specifically, the supporting base 30 is sleeved outside the liquid accommodating cavity 1, the second flange 9 is arranged between the supporting base 30 and the casing 10, and the supporting base 30 is detachably installed on the casing 10 through the second flange 9.
Preferably, the accommodating space further includes: a superheating cavity 5 and a tail gas discharge cavity 6; the tail gas discharge cavity 6 is arranged at one side close to the hydrogen accommodating cavity 2, and the overheating cavity 5 is arranged between the tail gas discharge cavity 6 and the second accommodating cavity 32; wherein the superheat chamber 5 is provided with a heat storage assembly fill port 51 and the exhaust gas discharge chamber 6 is provided with an exhaust gas outlet 61. Further, the superheat chamber 5 is filled with a heat storage member (not shown) which is made of a material having a relatively high heat storage capacity, and the heat storage member may be a heat storage ball and/or a heat storage block.
Preferably, the hot exhaust heating cavity can replace the exhaust gas accommodating cavity 3, at this time, the exhaust gas inlet 311 is the hot exhaust gas inlet, the exhaust gas outlet 61 is the exhaust gas outlet, and the hot exhaust gas can be introduced from the exhaust gas inlet 311 and then discharged from the exhaust gas outlet 61; of course, hot waste gas heating chamber can hold chamber 3 with tail gas and set up together, follows this moment hot waste gas import lets in hot waste gas, lets in tail gas from tail gas entry 311, and hot waste gas is accomplished with tail gas and is heated the back to hydrogen plant 100, discharges from tail gas export 61 together, perhaps hydrogen plant 100 sets up again the exhaust gas export is discharged, and hot waste gas follows the exhaust gas export is discharged, and tail gas is discharged from tail gas export 61. Further, a heat storage component is filled in the hot exhaust gas heating cavity, the heat storage component absorbs heat in the hot exhaust gas, and the absorbed heat is used for heating the hydrogen production device 100.
Preferably, referring to fig. 3 and 4, a partition plate 8 is disposed between the first accommodating chamber 31, the second accommodating chamber 32, the overheating chamber 5 and the exhaust gas discharging chamber 6, a plurality of exhaust gas circulation holes (not shown in the figure) are disposed on the surface of the partition plate 8, and the exhaust gas can circulate from the first accommodating chamber 31 to the exhaust gas discharging chamber 6 through the partition plate 8 and then be discharged from the exhaust gas outlet 61.
Further, after entering the first accommodating cavity 31, the tail gas is uniformly distributed in the first accommodating cavity 31 through the partition plate 8 and then enters the second accommodating cavity 32 through the tail gas circulation holes in the surface of the partition plate 8, the tail gas can react with the combustion catalyst to generate a large amount of heat, further, the tail gas enters the overheating cavity 5 through the tail gas circulation holes in the surface of the partition plate 8, and after the heat of the tail gas is absorbed by the heat storage assembly, the situation that most of heat is not fully exchanged and absorbed due to the fact that the tail gas is too fast in circulation speed is prevented; through setting up the heat accumulation subassembly, can be with heat storage to the heat accumulation subassembly in, later the rethread the heat accumulation subassembly is used for steam or the heating of hydrogen manufacturing catalyst in the hydrogen manufacturing pipe 4 with the heat, and is still further, the lower tail gas of heat is discharged by tail gas outlet 61 after tail gas gets into tail gas exhaust chamber 6.
Preferably, at least one hydrogen production pipe 4 is arranged in the accommodating space, a hydrogen production catalyst (not shown in the figure) is filled in the hydrogen production pipe 4, and the hydrogen production pipe 4 is connected between the liquid accommodating cavity 1 and the hydrogen accommodating cavity 2 and penetrates through the first accommodating cavity 31, the second accommodating cavity 32, the overheating cavity 5 and the tail gas discharge cavity 6; the liquid accommodating cavity 1 is provided with a first electric heater 13, the first electric heater 13 heats the liquid in the liquid accommodating cavity 1 to enable the liquid to generate steam, and the steam can react with the hydrogen production catalyst in the hydrogen production pipe 4 to generate hydrogen.
Preferably, the heating chamber is replaceable with an electric heater; the electric heater is arranged in the liquid accommodating cavity 1 and/or the hydrogen production pipe 4 and is used for heating liquid in the liquid accommodating cavity 1 or heating steam in the hydrogen production pipe 4, and of course, the electric heater can act on the liquid accommodating cavity 1 and the hydrogen production pipe 4 together; further, the heating cavity and the electric heater are arranged together and act on the liquid containing cavity 1 and the hydrogen production pipe 4 together.
Preferably, the combustion catalyst in the second accommodating space 32 and the heat released by the combustion of the tail gas heat the hydrogen production tube 4, so that the temperature in the hydrogen production tube 4 can reach the temperature required by the reaction between the steam and the hydrogen production catalyst; the heat storage assembly filled in the overheating cavity 5 keeps the temperature of the hydrogen production pipe 4, reduces the heat dissipation degree of the hydrogen production pipe 4, and effectively ensures the continuity of the reaction of the steam and the hydrogen production catalyst in the hydrogen production pipe 4.
Preferably, the hydrogen production pipe 4 is arranged at the position of the overheating cavity 5, the fin 423 is wound on the outer side of the overheating cavity, the heat exchange area of the hydrogen production pipe 4 is increased due to the fin 423, the heat absorption efficiency of the hydrogen production pipe 4 is effectively improved, and the rate of hydrogen generation through the reaction of the steam and the hydrogen production catalyst in the hydrogen production pipe 4 is increased.
Preferably, hydrogen plant 100 further comprises: and the liquid level device 20 is arranged outside the shell 10, and is communicated with the hydrogen accommodating cavity 2 and the liquid accommodating cavity 1, and is used for detecting the liquid level of the liquid in the hydrogen production device 100. .
Specifically, the hydrogen holds chamber 2 and has seted up level ware connector 22, and liquid holds chamber 1 and has seted up leakage fluid dram 12, and level ware 20 passes through pipeline one end and connects level ware connector 22, and the other end is connected to leakage fluid dram 12, and the pipeline that connects hydrogen at level ware 20 and holds chamber 2 is provided with control valve 201, can effectually prevent the loss of steam.
Further, the liquid level device 20 is further provided with an anti-freezing liquid outlet (not shown in the figure) and an activation reduction pipeline (not shown in the figure); when the hydrogen production device 100 is not used or after the device is used in a region with lower temperature, the liquid in the hydrogen production device 100 can be discharged, specifically, the liquid can be discharged through the anti-freezing liquid discharge port, so that the hydrogen production device 100 is prevented from being damaged due to the cooling of the liquid; after the hydrogen production device 100 is used for a long time, the activity of the catalyst of the hydrogen production device 100 can be reduced or even lost, and the catalyst in the hydrogen production device 100 can have activity again through the activation reduction pipeline, so that the activity of the catalyst is further improved, and the service life of the catalyst is prolonged.
Preferably, with reference to fig. 5 and 6, the second flange 9 comprises: a second upper flange 91 and a second lower flange 92; wherein, the second upper flange 91 is fixed at the lower end of the housing 10, and the second lower flange 92 is connected to the upper end of the supporting seat 30; the second upper flange 91 and the second lower flange 92 can be detachably mounted by bolts, so as to further achieve the detachable connection between the support seat 30 and the housing 10.
Further, the hydrogen production catalyst can be added or replaced inside the hydrogen production pipe 4 through the detachable connection of the second upper flange 91 and the second lower flange 92, and the liquid in the liquid accommodating chamber 1 can be filled and replaced or discharged.
Preferably, a hydrogen production pipe connector 911 communicated with the hydrogen production pipe 4 is formed in the surface of the second upper flange 91, and the hydrogen production pipe 4 is communicated to the liquid accommodating cavity 1 through the hydrogen production pipe connector 911; the second lower flange 92 is provided in an annular structure, and an opening 921 is formed in the second lower flange; the opening 921, the liquid containing chamber 1 and the second upper flange 91 form a liquid isolating space 14 therebetween. The liquid isolation space 14 can control the liquid storage capacity of the liquid in the hydrogen production device 100, so that the liquid in the hydrogen production device 100 is less than 30L, the liquid storage capacity is less than a national standard liquid storage cavity, and no provision is needed; the hydrogen production apparatus 100 is reduced in size and floor space as much as possible, and the capacity, pressure and number of periodic inspections can be reduced by reducing the capacity.
Specifically, because the hydrogen production catalyst is arranged in the hydrogen production pipe 4, if the content of the liquid in the liquid accommodating cavity 1 is high, the liquid can enter the hydrogen production pipe 4 and contact with the hydrogen production catalyst, so that the hydrogen production efficiency can be influenced; therefore, the liquid isolation space 14 is arranged to increase the containing space of the liquid, reduce the contact probability of the liquid and the hydrogen production catalyst, effectively ensure the hydrogen production effect of the hydrogen production catalyst and steam reaction, and improve the hydrogen generation efficiency.
Preferably, referring to fig. 2, 3 and 7, the hydrogen production apparatus 100 further includes a first flange 7 and a second electric heater (not shown), disposed at the upper end of the housing 10, connected to the hydrogen accommodating chamber 2; specifically, the first flange 7 includes: a first upper flange 71 and a first lower flange 72; the first lower flange 72 is fixedly attached to the hydrogen accommodating chamber 2, and the first upper flange 71 is detachably attached to the first lower flange 72 by bolts.
Further, a plurality of electric heating pipe orifices 711 are formed in the surface of the first upper flange 71, and the electric heating pipe of the second electric heater is arranged inside the hydrogen production pipe 4 through the electric heating pipe orifices 711 and used for heating steam in the hydrogen production pipe 4.
Preferably, the second electric heater, the first electric heater 13 and the combustion catalyst can be matched with each other to heat the steam in the hydrogen production pipe 4; specifically, a temperature sensor (not shown) may be provided in the hydrogen production apparatus 100, and the temperature sensor may detect and display the temperature of the vapor inside the hydrogen production pipe 4; the liquid in the liquid containing cavity 1 is heated by starting the first electric heater 13 to generate steam, and then enters the hydrogen production pipe 4; introducing tail gas to react with the combustion catalyst in the second accommodating cavity 32, and further heating the hydrogen production pipe 4 by the generated heat; starting the second electric heater to further heat the inside of the hydrogen production pipe 4; in the heating process, if the temperature is lower than the temperature required by the reaction of the steam and the hydrogen production catalyst, the electric quantity of the second electric heater is increased, or the introduction quantity of tail gas is increased; if the temperature is higher than the temperature required by the reaction of the steam and the hydrogen production catalyst, reducing or suspending the electric quantity of the second electric heater, or suspending the introduction of tail gas; thereby achieving the purpose of adjusting the temperature and maximizing the hydrogen production efficiency.
[ second embodiment ]
Referring to fig. 8, in view of the modification of the hydrogen production tube 4 in the first embodiment, a second embodiment of the present invention provides a hydrogen production tube 4. The hydrogen production pipe 4 includes, for example: a vapor pipe 41 and a hydrogen pipe 42; wherein, one end of the steam pipe 41 is provided with a liquid inlet 411, and the other end is provided with a steam outlet 412; the hydrogen pipe 42 has a hydrogen outlet 422 at one end and a vapor inlet 421 at the other end.
Preferably, the hydrogen production pipe 4 can be vertically placed, or horizontally placed, or placed along other angles; when placed vertically, the hydrogen tube 42 is located vertically above the vapor tube 41, and the vapor tube 41 can communicate with the hydrogen tube 42; when vapor tube 41 communicates with hydrogen tube 42, the corresponding vapor inlet 421 communicates with vapor outlet 412; when placed horizontally or at other angles, vapor tube 41 interfaces with hydrogen tube 42; a partition plate (not shown in the figure) is arranged between the steam pipe 41 and the hydrogen pipe 42, and the partition plate is provided with a plurality of steam flow ports, the steam pipe 41 and the hydrogen pipe 42 can be integrated, or the steam pipe 41 and the hydrogen pipe 42 can be detachably connected and realized through a detachable flange (not shown in the figure); when the steam pipe 41 and the hydrogen pipe 42 are integrated, the partition plate may be directly welded to the inner wall of the hydrogen production pipe 4, or fixed to the inside of the hydrogen production pipe 4 by providing a bracket, or fixed to the inside of the hydrogen production pipe 4 by a screw thread; when the hydrogen production pipe 4 is connected by threads, the inner wall of the hydrogen production pipe 4 is provided with a thread groove, the outer side of the partition board is correspondingly provided with threads, and the partition board is connected with the hydrogen production pipe 4 by the threads and the thread groove.
Further, when the partition plate is provided as a detachable flange, one end of the flange is connected to the hydrogen tube 42, and the other end of the flange is connected to the steam tube 41, so that the steam tube 41 can be connected to the hydrogen tube 42 through the flange, the detachable connection between the steam tube 41 and the hydrogen tube 42 is satisfied, and the purpose of replacing the steam tube 41 or the hydrogen tube 42 independently when the hydrogen production tube 4 is damaged can be achieved.
Preferably, the hydrogen pipe 42 is filled with a hydrogen production catalyst (not shown), which reacts with the vapor in the hydrogen pipe 42 to generate hydrogen, and then flows out from the hydrogen outlet 422. Further, the second electric heater is disposed in the steam pipe 41 and the hydrogen pipe 42, and is used for heating to generate steam, or to reach a temperature required for the steam to react with the hydrogen production catalyst.
Preferably, the fin 423 is further wound on the outer side of the hydrogen tube 42, and the fin 423 can increase the heat exchange area of the hydrogen tube 42, enhance the heat absorption efficiency of the hydrogen tube 42, and further improve the hydrogen production efficiency.
[ third embodiment ]
The third embodiment of the present invention provides a piping system 90 on the basis of the hydrogen production apparatus 100, wherein the piping system 90 includes: the duct 40, the plate heat exchanger 50, the air cooler 60, and the support portion 70; wherein, pipeline 40 is connected to hydrogen plant 100, plate heat exchanger 50 and air-cooler 60 set up in pipeline 40, and supporting part 70 sets up in pipeline 40, plate heat exchanger 50 and air-cooler 60 below for support hydrogen plant 100.
Preferably, referring to fig. 9-11, the conduit 40 comprises: a hydrogen pipeline 401, a tail gas pipeline 402, a pump inlet pipe 403, a pump outlet pipe 404 and an air pipeline 406; one end of the hydrogen pipeline 401 is connected to the hydrogen connection port 21, the other end of the hydrogen pipeline 401 is connected to the first hydrogen pipeline 401a, and a safety pipeline 4011 and a safety valve 4015 are arranged on the hydrogen pipeline 401 and the first hydrogen pipeline 401 a; if the steam pressure in the hydrogen production device 100 is too high, part of steam can enter the safety pipeline 4011 by adjusting a valve and is discharged through the safety valve 4015, so that the steam pressure in the hydrogen production device 100 is reduced; still further, the first hydrogen pipeline 401a is connected to the plate heat exchanger 50, the plate heat exchanger 50 can absorb and store heat of the high-temperature hydrogen, the plate heat exchanger 50 is connected to one end of the air cooler 60 through the second hydrogen pipeline 401b, the other end of the air cooler 60 is connected to the third hydrogen pipeline 401c, and the third hydrogen pipeline 401c is connected to the fourth hydrogen pipeline 401 d.
Specifically, hydrogen produced by the hydrogen production device 100 enters the hydrogen pipeline 401 from the hydrogen connector 21, then sequentially passes through the first hydrogen pipeline 401a, the plate heat exchanger 50, the second hydrogen pipeline 401b, the air cooler 60 and the third hydrogen pipeline 401c, and finally is discharged from the fourth hydrogen pipeline 401 d. A pressure transmitter 4012 and a pressure gauge 4013 are further arranged between the hydrogen pipeline 401 and the first hydrogen pipeline 401a, and are used for detecting the pressure of hydrogen in the hydrogen pipeline 401; a first flow meter 4014 is further disposed between the third hydrogen pipeline 401c and the fourth hydrogen pipeline 401d, and is configured to detect a flow rate of hydrogen in the pipes.
Preferably, the tail gas pipeline 402 is connected to the hydrogen production device 100 through a tail gas conveying pipe 402a, and is used for conveying tail gas to the inside of the hydrogen production device 100; a second flow meter 4021 and an electromagnetic valve 4022 are disposed between the exhaust gas duct 402 and the exhaust gas delivery pipe 402a, and are used for detecting and controlling the flow rate of the exhaust gas in the pipe.
Preferably, the pump inlet pipe 403 is connected to the pump inlet 405, and then connected to the plate heat exchanger 50 through the first liquid pipe 403 a; liquid flows into the liquid inlet pump 405 through the pump inlet pipe 403, then the liquid is conveyed into the plate heat exchanger 50 through the liquid inlet pump 405, heat stored in the plate heat exchanger 50 can be absorbed, and finally the liquid is conveyed into the hydrogen production device 100 through the second liquid pipeline 403 b.
Further, the pump outlet pipe 404 is disposed between the liquid inlet pump 405 and the first liquid pipeline 403a, and the pump inlet pipe 403 and the pump outlet pipe 404 are located at two sides of the liquid inlet pump 405; if the amount of liquid in hydrogen plant 100 is large, it can be discharged from pump outlet pipe 404.
Preferably, the air pipe 406 is connected to the exhaust gas conveying pipe 402a, and air is introduced into the exhaust gas, so that the content of hydrogen in the exhaust gas can be reduced, and the harm caused by the reaction of the exhaust gas and the combustion catalyst due to the overhigh content of hydrogen can be prevented.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A hydrogen production apparatus, comprising:
a housing having an accommodating space therein;
the accommodating space includes: the liquid accommodating cavity and the hydrogen accommodating cavity are arranged, and a partition plate is arranged between the cavities;
the hydrogen production pipe is internally provided with a hydrogen production catalyst and is communicated with the liquid containing cavity and the hydrogen containing cavity;
the hydrogen plant further includes: a heating chamber, and/or an electric heater; the heating cavity is arranged between the liquid containing cavity and the hydrogen containing cavity, and the electric heater is arranged in the liquid containing cavity and/or the hydrogen producing pipe.
2. The hydrogen generation assembly of claim 1, wherein the heating chamber comprises: a tail gas containing cavity and/or a hot waste gas heating cavity;
wherein, tail gas holds the chamber and includes:
the first accommodating cavity is positioned in the accommodating space and close to the liquid accommodating cavity;
the second accommodating cavity is positioned between the first accommodating cavity and the hydrogen accommodating cavity;
the tail gas inlet is formed in the first accommodating cavity; the combustion catalyst is filled in the second accommodating cavity;
the hot waste gas heating cavity is arranged between the liquid containing cavity and the hydrogen containing cavity, and is provided with a hot waste gas inlet and a waste gas outlet.
3. The hydrogen generation assembly of claim 2, wherein the containment space further comprises:
the overheating cavity is arranged between the second accommodating cavity and the hydrogen accommodating cavity; and a heat storage component capable of storing heat is arranged in the overheating cavity.
4. The hydrogen production apparatus according to claim 3, wherein a partition is provided between the first accommodating chamber, the second accommodating chamber and the overheating chamber, and a tail gas circulation hole is provided in the partition, through which the tail gas can circulate in the accommodating space.
5. The hydrogen generation assembly of claim 4 wherein a liquid isolation space is provided between the hydrogen generation catalyst and the liquid receiving chamber.
6. The hydrogen production apparatus according to claim 3, wherein the heat storage member is a heat storage block and/or a heat storage ball, and the heat storage member is filled between the hydrogen production pipe and the casing.
7. The hydrogen generation assembly of claim 1, wherein the hydrogen generation tube comprises:
a vapor tube communicating to the liquid accommodating chamber;
a hydrogen pipe communicated to the hydrogen accommodating cavity;
wherein the hydrogen tube is located at an upper end of the steam tube in a vertical direction.
8. The hydrogen generation apparatus of claim 7, wherein a porous partition is disposed between the vapor tube and the hydrogen tube.
9. The hydrogen-producing device according to claim 8, wherein the vapor tube is integrally formed with the hydrogen tube, or the vapor tube is detachably connected to the hydrogen tube.
10. The hydrogen generation assembly of any of claims 1-9, further comprising:
and the liquid level device is arranged outside the shell, one end of the liquid level device is communicated with the hydrogen containing cavity, and the other end of the liquid level device is communicated to the liquid containing cavity.
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| CN202011644797.0A Active CN112573482B (en) | 2020-12-10 | 2020-12-31 | Hydrogen production pipe of hydrogen production device and hydrogen production device |
| CN202120051782.7U Active CN214360252U (en) | 2020-12-10 | 2021-01-08 | Hydrogen production system |
| CN202120076140.2U Active CN214528131U (en) | 2020-12-10 | 2021-01-12 | Hydrogen production device |
| CN202110039326.5A Pending CN112607704A (en) | 2020-12-10 | 2021-01-12 | Hydrogen production device |
| CN202123063028.4U Active CN216638918U (en) | 2020-12-10 | 2021-12-08 | Hydrogen production device |
| CN202123063029.9U Active CN216638920U (en) | 2020-12-10 | 2021-12-08 | Hydrogen production device |
| CN202111488908.8A Active CN114620683B (en) | 2020-12-10 | 2021-12-08 | Hydrogen production device |
| CN202111488910.5A Active CN114620684B (en) | 2020-12-10 | 2021-12-08 | Hydrogen production system and hydrogen production method |
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| CN202111488908.8A Active CN114620683B (en) | 2020-12-10 | 2021-12-08 | Hydrogen production device |
| CN202111488910.5A Active CN114620684B (en) | 2020-12-10 | 2021-12-08 | Hydrogen production system and hydrogen production method |
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| CN112607704A (en) * | 2020-12-10 | 2021-04-06 | 洛阳沃达节能科技有限公司 | Hydrogen production device |
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| CN116443813B (en) * | 2023-02-27 | 2024-07-30 | 福州大学 | Ammonia decomposition reaction device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607704A (en) * | 2020-12-10 | 2021-04-06 | 洛阳沃达节能科技有限公司 | Hydrogen production device |
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| Publication number | Publication date |
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| CN216638918U (en) | 2022-05-31 |
| CN112607704A (en) | 2021-04-06 |
| CN214360252U (en) | 2021-10-08 |
| CN112573482A (en) | 2021-03-30 |
| CN114620683A (en) | 2022-06-14 |
| CN216638919U (en) | 2022-05-31 |
| CN216638920U (en) | 2022-05-31 |
| CN114620684A (en) | 2022-06-14 |
| CN114620684B (en) | 2023-10-31 |
| CN214299273U (en) | 2021-09-28 |
| CN114620683B (en) | 2024-09-27 |
| CN112573482B (en) | 2022-07-08 |
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