CN112645282A - Hydrogen production device - Google Patents
Hydrogen production device Download PDFInfo
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- CN112645282A CN112645282A CN202110027929.3A CN202110027929A CN112645282A CN 112645282 A CN112645282 A CN 112645282A CN 202110027929 A CN202110027929 A CN 202110027929A CN 112645282 A CN112645282 A CN 112645282A
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- hydrogen production
- heat accumulation
- reaction chamber
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000001257 hydrogen Substances 0.000 title claims abstract description 108
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 92
- 238000006243 chemical reaction Methods 0.000 claims abstract description 327
- 239000007789 gas Substances 0.000 claims abstract description 131
- 238000010438 heat treatment Methods 0.000 claims abstract description 85
- 238000009825 accumulation Methods 0.000 claims abstract description 71
- 239000003054 catalyst Substances 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 40
- 239000002912 waste gas Substances 0.000 claims description 33
- 238000005338 heat storage Methods 0.000 claims description 29
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 238000005485 electric heating Methods 0.000 description 11
- 238000005192 partition Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000013021 overheating Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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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
-
- 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
Abstract
The present invention provides a hydrogen production apparatus comprising: a hydrogen production reaction part; the vapour reaction portion, it is equipped with vapour reaction space and intercommunication vapour material import, tail gas import and the exhaust outlet in vapour reaction space, the vapour reaction portion still includes: a vapor output port which is communicated with the vapor reaction space and the hydrogen production reaction space; the heating reaction chamber is provided with a heating reaction space, and a combustion catalyst and tail gas are arranged in the heating reaction space; the heat accumulation reaction chamber is arranged on one side of the heating reaction chamber and comprises a heat accumulation component and a heat accumulation reaction space; wherein, the heating reaction chamber with the heat accumulation reaction chamber stacks each other, the heat accumulation subassembly is located in the heat accumulation reaction space. The heating reaction chamber and the heat accumulation reaction chamber are stacked mutually, so that the technical effect of improving the utilization rate of the occupied area is achieved.
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, and partial liquefaction and other conditions can be caused, so that the hydrogen production process is influenced, and at least two processes, namely a heating process and an overheating process, are required to be performed in the process of preparing the steam. A heating reaction chamber is needed to be arranged corresponding to the heating process, and a heat storage reaction is needed to be arranged corresponding to the overheating process. In the prior art, the heating reaction chamber and the heat accumulation reaction chamber are arranged independently, so that the problem of large floor area is caused.
Disclosure of Invention
The invention solves the problem that the technical effect of improving the utilization rate of the occupied area is realized by stacking the equipment for executing the heating process and the equipment for executing the overheating process.
To solve the above problems, the present invention provides a hydrogen production apparatus comprising: the hydrogen production reaction part is provided with a hydrogen production reaction space and a hydrogen output opening communicated with the hydrogen production reaction space, and the hydrogen production reaction part comprises a hydrogen production catalyst arranged in the hydrogen production reaction space; the vapour reaction portion, it is equipped with vapour reaction space and intercommunication vapour material import, tail gas import and the exhaust outlet in vapour reaction space, the vapour reaction portion still includes: a vapor output port which is communicated with the vapor reaction space and the hydrogen production reaction space; the heating reaction chamber is provided with a heating reaction space, and a combustion catalyst and tail gas are arranged in the heating reaction space; the heat accumulation reaction chamber is arranged on one side of the heating reaction chamber and comprises a heat accumulation component and a heat accumulation reaction space; wherein, the heating reaction chamber with the heat accumulation reaction chamber stacks each other, the heat accumulation subassembly is located in the heat accumulation reaction space.
In this embodiment, the vapour reaction portion is including stacking each other heating reaction chamber with heat accumulation reaction chamber, through the structure setting that stacks each other has realized improving the effect of whole equipment to area's utilization ratio, tail gas with combustion catalyst is in the reaction generates hot waste gas in the heating reaction chamber, and at this in-process, the heat of release adds thermal treatment to the vapour material, makes it generate vapour, again hot waste gas gets into in the heat accumulation reaction chamber, a large amount of heats quilt the heat accumulation subassembly absorbs, thereby form the high temperature environment in the heat accumulation reaction space, make vapour receive the reheat, form superheated steam.
Further, the heating reaction chamber is arranged below the heat accumulation reaction chamber in the vertical direction; the tail gas inlet is arranged on one side of the heating reaction chamber and communicated with the heating reaction space; the waste gas outlet is arranged on one side of the heat accumulation reaction chamber and communicated with the heat accumulation reaction space.
In this embodiment, because the heating reaction chamber with the position relation between the heat accumulation reaction chamber, thereby formed the tail gas import is located the below of exhaust outlet, because the tail gas with it is a exothermic process that combustion catalyst reacts for the waste gas that generates has the high temperature, so be convenient for waste gas from relative the tail gas import is in the high position exhaust outlet discharges.
Further, the heating reaction chamber is arranged above the heat accumulation reaction chamber in the vertical direction; the tail gas inlet is arranged on one side of the heating reaction chamber and communicated with the heating reaction space; the waste gas outlet is arranged on one side of the heat accumulation reaction chamber and communicated with the heat accumulation reaction space.
In this embodiment, because the heating reaction chamber is located the top of heat accumulation reaction chamber has formed promptly the tail gas import is located the top of exhaust outlet, because tail gas with it is a exothermal process to react between the combustion catalyst for the waste gas that generates has the high temperature, so make and generate waste gas is at first gathered in the heating reaction space, along with constantly increasing of waste gas, thereby make the heating reaction space is in high pressure environment, extrudees waste gas is to the intercommunication the exhaust outlet of heat accumulation reaction space discharges, in this process, makes hot waste gas can exist for a long time in the steam reaction space, and it is right to be convenient for improve heating and the overheat treatment of steam material.
Further, the heating reaction chamber comprises: a vapor generation chamber provided with a vapor generation space communicating with the vapor material inlet; at least one tail gas reaction tube, each tail gas reaction tube comprising a tail gas reaction space communicated with the tail gas inlet, the tail gas and the combustion catalyst being arranged in the tail gas reaction space; at least one tail gas reaction pipe is arranged in the steam generation space, and each tail gas reaction space is isolated from the steam generation space.
In this embodiment, the combustion catalyst is disposed in each of the exhaust gas reaction spaces, and when the exhaust gas is filled into each of the exhaust gas reaction spaces, the combustion catalyst reacts with the combustion catalyst to generate hot exhaust gas, and further radiates a large amount of temperature outside the pipe, so as to heat the steam material disposed in the steam generation. And simultaneously, each tail gas reaction tube is directly contacted with the steam material, so that the heat radiated outwards in each tail gas reaction space can be absorbed to the maximum extent.
Further, the heating reaction chamber further comprises a first heat accumulating member disposed in each of the off-gas reaction spaces and/or in the vapor generation space.
In this embodiment, the first heat storage member and the second heat storage member are provided in such a manner that the environment in which the first heat storage member is provided can be maintained at a stable high-temperature environment.
Further, a steam conveying pipeline is also arranged in the heat storage reaction space; the heat accumulation reaction chamber is communicated with the heat accumulation reaction space through the first connecting through hole.
In this embodiment, each of the exhaust reaction tubes is uniformly distributed, so that when the exhaust gas reacts with the combustion catalyst in each of the exhaust reaction spaces, the vapor material can be uniformly heated, and the effect of the vapor generation efficiency due to nonuniform heating of the vapor material caused by nonuniform distribution of each of the exhaust reaction tubes is prevented.
Furthermore, the steam outlet is arranged on one side of the heat accumulation reaction chamber and communicated with the heat accumulation reaction space.
In this embodiment, the exhaust gas outlet is communicated with the heat storage reaction space, and the steam outlet is also communicated with the heat storage reaction space, and the steam delivery pipe is disposed in the heat storage reaction space, so that the steam generated in the heating reaction chamber is in a high-temperature environment provided by the exhaust gas in the heat storage reaction chamber after entering the steam delivery pipe, and is discharged from the steam outlet.
Further, the vapor reaction part further includes: the first baffle is arranged in the heat storage reaction space, divides the heat storage reaction space into a first waste gas treatment space and a steam collecting space, and is provided with a second connecting through hole; a second electric heater provided in the vapor collection space; one end of the steam conveying pipeline is communicated with the steam generating space, and the other opposite end of the steam conveying pipeline is communicated with the second connecting through hole; the steam collecting space is positioned on one side of the first waste gas treatment space, which is far away from the heating reaction space, and the steam output port is communicated with the steam collecting space.
In this embodiment, in order to obtain superheated steam with a reliable temperature, the steam concentrated in the steam collecting space is reheated by the second electric heater, so that the formed superheated steam can enter the hydrogen production reaction space through the steam outlet.
Further, the hydrogen production reaction part comprises a first electric heater and a second baffle, and the second baffle is provided with at least one third connecting through hole and at least one fourth connecting through hole; wherein, the first electric heater is connected with at least one third connecting through hole in a matching way.
In this embodiment, the superheated steam obtained from the steam reaction part enters the hydrogen production reaction space communicated with the steam output port through the steam output port, and the superheated steam is continuously collected in the hydrogen production reaction space in the continuous generation process so as to approach the second baffle plate, and the superheated steam is uniformly distributed through each uniformly distributed fourth connecting hole, so that the superheated steam can be in full contact reaction with the first electric heater, and the hydrogen production efficiency is improved.
Further, the method comprises the following steps: a storage portion disposed on a side of the vapor generation portion away from the hydrogen production reaction portion, the storage portion comprising: a storage space; a storage inlet communicating with the storage space; wherein the storage space communicates the tail gas inlet with the storage inlet.
In this embodiment, since the storage space is communicated with the tail gas inlet, the tail gas can be filled into the tail gas reaction space of each tail gas reaction tube through the storage inlet, so that it is not necessary to fill each tail gas reaction tube with the tail gas, and the efficiency of filling the tail gas is improved.
After the technical scheme of the invention is adopted, the following technical effects can be achieved:
(1) the steam reaction part comprises the heating reaction chamber and the heat accumulation reaction chamber which are mutually overlapped, and the effect of improving the utilization rate of the whole equipment to the occupied area and the effect of saving energy and reducing emission by recycling the tail gas are realized through the mutual overlapping structure arrangement; the tail gas and the combustion catalyst react in the heating reaction chamber to generate hot waste gas, in the process, the released heat heats a steam material to generate steam, then the hot waste gas enters the heat storage reaction chamber, a large amount of heat is absorbed by the heat storage assembly, so that a high-temperature environment is formed in the heat storage reaction space, and the steam is heated secondarily to form superheated steam. When the heating reaction chamber is arranged below the heat accumulation reaction chamber in the vertical direction, the generated waste gas has high temperature, so that the waste gas is conveniently discharged from the waste gas outlet which is at a high position relative to the tail gas inlet; when the stacking position between the heating reaction chamber and the heat accumulation reaction chamber is opposite to the above, the generated waste gas is firstly gathered in the heating reaction space, the waste gas is extruded to be discharged to a waste gas outlet communicated with the heat accumulation reaction space along with the continuous increase of the waste gas, and in the process, the hot waste gas can exist in the steam reaction space for a long time, so that the heating and the overheating treatment of the steam material are improved;
(2) the combustion catalyst is arranged in each tail gas reaction space, when the tail gas is filled into each tail gas reaction space, the combustion catalyst reacts with the combustion catalyst to generate hot waste gas, and then a large amount of temperature is radiated outside the pipe, so that the steam material arranged in the steam generation space is heated, and the steam generation space is isolated from each tail gas reaction space, so that the influence of the communication of the steam generation space and the tail gas reaction space on the steam generated by the heated reaction of the steam material is avoided. Meanwhile, each tail gas reaction tube is directly contacted with the vapor material, so that the heat radiated outwards in each tail gas reaction space can be absorbed to the maximum extent;
(3) the storage space is communicated with the tail gas inlet, so that the tail gas can be filled into the tail gas reaction space of each tail gas reaction tube through the storage inlet, the tail gas does not need to be filled into each tail gas reaction tube, and the efficiency of filling the tail gas 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 schematic diagram showing a separation structure between the hydrogen production reaction part 10 and the vapor reaction part 20 shown in fig. 1.
Fig. 3 is a plan view of the hydrogen production reaction part 10 shown in fig. 1.
FIG. 4 is a sectional view taken along the line A-A in FIG. 3
FIG. 5 is a top view of hydrogen production assembly 100 shown in FIG. 1.
Fig. 6 is a sectional view taken in the direction B-B of fig. 5.
Fig. 7 is a schematic view of the internal structure of the vapor reaction part 20 shown in fig. 6.
Fig. 8 is a schematic view illustrating a connection relationship between the exhaust reaction tube 241 and the first heat accumulation member 252 in fig. 7.
Fig. 9 is a schematic structural diagram of a hydrogen production apparatus 100 according to a second embodiment of the present invention.
FIG. 10 is a top view of hydrogen production assembly 100 shown in FIG. 9.
Fig. 11 is a sectional view taken along the direction C-C shown in fig. 10.
Fig. 12 is a plan view of the hydrogen production reaction part 10 shown in fig. 9.
Fig. 13 is a sectional view taken in the direction D-D of fig. 12.
Fig. 14 is a sectional view of another vapor reaction portion 20 shown in fig. 9.
Description of reference numerals:
100-a hydrogen production unit; 10-a hydrogen production reaction part; 11-hydrogen output opening; 12-a first electric heater; 13-a hydrogen production reaction space; 14-a second baffle; 15-a vapor input port; 16-a first connecting flange; 20-a vapor reaction section; 21-a housing; 22-exhaust gas outlet; 23-tail gas inlet; 24-heating the reaction chamber; 241-a tail gas reaction tube; 242-a vapor generation chamber; 2411-a tail gas reaction space; 2412-a porous separator; 2421-a vapor generation space; 243-electric heating assembly; 244-first heating reaction chamber; 245-a vapor transition line; 25-heat accumulation reaction chamber; 25 a-a first exhaust treatment chamber; 25 b-a vapor collection chamber; 251-a heat storage reaction space; 2511-a first exhaust treatment space; 2512-a vapor collection space; 252 — a first thermal storage; 253-a vapor delivery conduit; 254-a second electric heater; 255-a first baffle; 256-partition plate; 30-a storage section; 31-a storage space; 32-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, a schematic structural diagram of a hydrogen production apparatus 100 according to an embodiment of the present invention is shown. The hydrogen production apparatus 100 includes, for example, a hydrogen production reaction unit 10 and a vapor reaction unit 20.
Referring to fig. 2 to 4, the hydrogen production reaction part 10 includes, for example, a hydrogen production reaction chamber, a hydrogen production reaction space 13, a hydrogen output opening 11, a vapor input port 15, a hydrogen production catalyst, and a first electric heater 12. A hydrogen production reaction space 13 is arranged in the hydrogen production reaction chamber, and the hydrogen production catalyst is arranged in the hydrogen production reaction space 13; the hydrogen output opening and the steam input opening are communicated with a hydrogen production reaction space 13; the first electric heater 12 is communicated with the hydrogen production reaction space 13, the first electric heater 12 is provided with a plurality of first electric heating strips, and each first electric heating strip is uniformly distributed in the hydrogen production reaction space 13. For example, when the steam is generated in the steam reaction part 20 and then introduced into the hydrogen production reaction space 13, since each of the first electric heating strips is uniformly distributed, the first electric heater 12 can uniformly and sufficiently heat the steam, and the steam is efficiently generated into hydrogen gas under the catalytic action of the hydrogen production catalyst.
Preferably, the hydrogen production reaction part 10 further includes, for example, a second baffle 14. The second baffle 14 is provided with at least one third connecting through hole and at least one fourth connecting through hole. Each third connecting through hole is uniformly distributed, and each first electric heating strip of the first electric heater 12 is connected with each third connecting through hole in a matching way; each of the fourth connecting through holes is also uniformly distributed. For example, the steam enters the hydrogen production reaction space 13, and as the steam is continuously accumulated in the hydrogen production reaction space 13, the steam gradually approaches the second baffle 14 and finally passes through each of the uniformly distributed fourth connecting through holes, so that the steam is uniformly distributed, and then the steam and the hydrogen production catalyst generate hydrogen under the heating condition of each of the first electric heating strips, and finally the hydrogen is discharged from the hydrogen outlet.
Referring to fig. 5 to 8, the vapor reaction part 20 is provided with a vapor reaction space and a vapor material inlet, a tail gas inlet 23 and an exhaust gas inlet communicating with the vapor reaction space. The vapor reaction section 20 further includes, for example, a vapor outlet, a heating reaction chamber 24, and an accumulating reaction chamber 25. The heating reaction chamber 24 and the heat accumulation reaction chamber 25 are arranged in an overlapping manner, and the steam outlet respectively communicates the steam reaction space with the hydrogen production reaction space 13.
In one embodiment, the vapor reaction part 20 includes a housing 21, the housing 21 is sleeved outside the hydrogen production reaction part 10, the hydrogen production reaction part 10 includes, for example, a first connecting flange 16, the first connecting flange 16 is fixedly sleeved outside the hydrogen production reaction chamber, and the first connecting flange 16 is provided with a plurality of first flange connection holes. The steam reaction part 20 is provided with a second connecting flange 26 which is matched and connected with the first connecting flange 16 and a mounting position, and the mounting position is matched and connected with the outside of the hydrogen production reaction chamber; similarly, a plurality of second flange connection holes are formed in corresponding positions of the second connection flange 26, each of the first flange connection holes and each of the second flange connection holes are connected in a matched manner through a fastening bolt, and the hydrogen production reaction part 10 is further fixed on the steam reaction part 20.
The heat accumulation reaction chamber 25 includes, for example, a heat accumulation member and a heat accumulation reaction space 251. The heat storage member is provided in the heat storage reaction space 251.
Preferably, the heating reaction chamber 24 is provided below the heat accumulating reaction chamber 25 in the vertical direction. The tail gas inlet 23 is arranged at one side of the heating reaction chamber 24, and the tail gas inlet 23 is communicated with the heating reaction space; an exhaust gas outlet 22 is provided at one side of the heat accumulation reaction chamber 25, and the exhaust gas outlet 22 communicates with the heat accumulation reaction space 251.
Further, the heating reaction chamber 24, for example, further includes a vapor generation chamber 242 and at least one off-gas reaction tube 241. The vapor generation chamber 242 is provided with a vapor generation space 2421, the vapor material inlet is provided at one side of the vapor generation chamber 242, and the vapor material inlet communicates with the vapor generation space 2421; each of the off-gas reaction tubes 241 is disposed in the heating reaction space, an off-gas reaction space 2411 is disposed in each of the off-gas reaction tubes 241, each of the off-gas reaction spaces 2411 is isolated from the vapor generation space 2421, and the off-gas inlet 23 is communicated with each of the off-gas reaction spaces 2411.
Preferably, the heating reaction chamber 24 further comprises a first heat accumulating member 252, and the first heat accumulating member 252 may be disposed in each off-gas reaction space 2411 or disposed outside each off-gas reaction tube 241. For example, the first heat accumulating member 252 is a heat accumulating fin, a porous partition 2412 is further disposed inside each exhaust reaction tube 241, and the diameter of a plurality of ventilation holes distributed on the porous partition 2412 is smaller than that of the combustion catalyst, so that when the combustion catalyst is placed in each exhaust reaction space 2411, the combustion catalyst does not fall out of each exhaust reaction space 2411 due to the blocking effect of the porous partition 2412. For example, when the exhaust gas enters each exhaust gas reaction tube 241 through the exhaust gas inlet 23, it reacts with the combustion catalyst in each exhaust gas reaction space 2411. In addition, a large amount of heat is radiated to the steam generation space 2421 in the process that the exhaust gas reacts with the combustion catalyst to generate hot exhaust gas, and the heat exchange efficiency is increased through the heat storage fins, so that the large amount of heat can be directly applied to the steam material to react the steam material to generate steam. Of course, the porous partition 2412 may be disposed in each off-gas reaction space 2411 at intervals, and is detachably connected to the inner cavity of each off-gas reaction tube 241; in addition, a heat accumulation fin may be further provided in each off-gas reaction space 2411.
Further, the heat accumulation reaction chamber 25 further includes, for example, a vapor transport pipe 253, and the vapor transport pipe 253 is provided in the heat accumulation reaction space 251. The vapor transmission pipe 253 is a coil structure, one end of which is directly connected to the vapor outlet, and the vapor outlet is disposed at one side of the heat accumulation reaction chamber 25 and is communicated with the heat accumulation reaction space 251. In addition, the steam delivery pipe 253 can be horizontally or vertically arranged in a surrounding manner, so that the prepared steam can be fully superheated in the heat accumulation reaction chamber 25, and the heat conduction efficiency is improved. For example, the vapor delivery pipeline 253 can also be a straight pipe, and a plurality of pipes are regularly arranged in rows; when setting up steam conveying pipeline 253 for many straight tubes branch row rule arrange the setting, when having increased area of contact, the steam conveying pipeline 253 of vertical form is convenient for production and processing and part replacement, improves device overall installation and dismantles efficiency. Of course, when the vapor transfer pipe 253 is provided as a plurality of straight pipes, it may be arranged irregularly in the heat accumulation reaction chamber 25.
At least one first connecting hole is formed at the connecting position of the heat accumulation reaction chamber 25 and each of the off-gas reaction tubes 241, each of the off-gas reaction spaces 2411 is communicated to the heat accumulation reaction space 251 through each of the first connecting holes, and the waste gas outlet 22 is also formed at one side of the heat accumulation reaction chamber 25 and is communicated with the heat accumulation reaction space 251. Specifically, a partition 256 is disposed between the heat accumulation reaction chamber 25 and the heating reaction chamber 24, and a first through hole and at least one second through hole are formed in the partition 256. The first through holes are used for communicating with one end of the vapor delivery pipe 253, and each second through hole is connected with one end of each off-gas reaction tube 241, so as to communicate with the corresponding off-gas reaction space 2411.
Preferably, a plurality of second electric heating strips are further disposed in the regenerative reaction chamber 25, each of the second electric heating strips is in a strip shape, and the plurality of second electric heating strips are uniformly distributed in the circumferential direction in the regenerative reaction space 251. The plurality of second electric heating strips can form a high-temperature environment in the heat storage reaction space 251, and the heat storage unit absorbs heat radiated into the heat storage reaction space 251 by the plurality of second electric heating strips and absorbs heat of exhaust gas obtained from the heating reaction chamber 24, so that the heat storage reaction space 251 can be maintained in a stable high-temperature environment for a long time, and steam in the steam conveying pipe 253 can be heated for the second time to form superheated steam, and the superheated steam can be further conveyed into the hydrogen production reaction part 10 from the steam outlet.
Preferably, the hydrogen production apparatus further includes a storage unit 30, for example. The storage part 30 is provided on the side of the steam generation part away from the hydrogen production reaction part 10. The storage portion 30 includes, for example, a storage space 31 and a storage inlet 32, wherein the storage space 31 communicates the exhaust gas inlet 23 and the storage inlet. For example, the tail gas may enter the storage space 31 through the storage inlet 32 and then enter the tail gas inlet 23 communicated with the storage space 31, so that the tail gas enters each tail gas reaction tube 241, thereby improving the efficiency of filling the tail gas into each tail gas reaction tube 241. And the storage space 31 is arranged, so that the tail gas entering the storage space firstly and uniformly forms in the storage space and then sequentially enters the tail gas inlet 23, the tail gas entering the tail gas inlet 23 is uniform, and the reaction uniformity of the tail gas and the combustion catalyst is improved.
To facilitate a better understanding of the hydrogen production process, a detailed description of the hydrogen production process is provided below: the steam material firstly enters the steam generating space 2421 through the steam material inlet, is heated in the steam generating space 2421 to generate steam, the steam enters the steam conveying space of the steam conveying pipeline 253, is secondarily heated in the heat storage reaction space 251 to form superheated steam, is finally discharged from the steam outlet to enter the hydrogen production reaction space 13, and the superheated steam reacts with the hydrogen production catalyst in the hydrogen production reaction space 13 to generate hydrogen and is finally output from the hydrogen output opening 11; the tail gas firstly enters the storage space 31 through the storage inlet 3232, and then enters each tail gas reaction space 2411 through the tail gas inlet 23, the tail gas reacts with the combustion catalyst in each tail gas reaction space 2411 to generate hot waste gas, and finally the hot waste gas enters the heat storage reaction space 251 and is discharged from the waste gas outlet 22.
Example two:
referring to fig. 9 to 13, fig. 9 is a schematic structural diagram of a hydrogen production device 100 according to a second embodiment of the present invention. The present embodiment is different from the first embodiment in that the hydrogen production reaction part 10 is sleeved outside the steam reaction part 20; the vapor reaction portion 20 further includes, for example, a first baffle 255 and a second electric heater 254.
For example, the hydrogen production reaction part 10 is a first annular pillar structure provided with an annular hydrogen production reaction space 13. Specifically, first baffle 255 is provided in heat storage reaction space 251 and divides heat storage reaction chamber 25 into first exhaust gas treatment chamber 25a provided with first exhaust gas treatment space 2511 and vapor collection chamber 25b provided with vapor collection space 2512. The exhaust gas outlet 22 is provided at one side of the first exhaust treatment chamber 25a, and it communicates with the first exhaust treatment space 2511. Vapor collection space 2512 is located on the side of first exhaust treatment space 2511 away from the heating reaction space, and the vapor output port communicates with vapor collection space 2512; the first baffle 255 is provided with a second connecting through hole, and the second electric heater 254 is provided in the vapor collecting space 2512, wherein one end of the vapor transmission pipeline 253 is communicated with the vapor generating space 2421, and the other opposite end thereof is connected with the second connecting through hole, namely, communicated with the vapor collecting space 2512.
Example three:
referring to fig. 14, a schematic structural diagram of a hydrogen production apparatus 100 according to a third embodiment of the present invention is shown. The difference between this embodiment and the second embodiment is: the heating reaction chamber 24 is provided above the heat accumulating reaction chamber 25 in the vertical direction. The tail gas inlet 23 is arranged at one side of the heating reaction chamber 24 and is communicated with the heating reaction space; the exhaust gas outlet 22 is provided at one side of the heat accumulation reaction chamber 25 and communicates with the heat accumulation reaction space 251, i.e., the off-gas inlet 23 is located above the exhaust gas outlet 22 in the vertical direction.
Specifically, the first exhaust gas treatment chamber 25a and the vapor collection chamber 25b sandwich the heating reaction chamber 24, and the first exhaust gas treatment chamber 25a is provided below the heating reaction chamber 24 in the vertical direction.
The exhaust enters the first heating reaction chamber 244 through the exhaust inlet 23, then enters each exhaust reaction tube 241 through the partition, and further enters the first exhaust treatment space 2511, and then is discharged from the exhaust outlet 22.
Wherein one end of the vapor transmission pipeline 253 is communicated with the vapor generation space 2421, the vapor transmission space of the vapor transmission pipeline 253 is isolated from each off-gas reaction space 2411, and the other opposite end is communicated with the storage space 31.
In this example, the overall process for producing steam is as follows: the vapor material enters the storage space 31 through the storage inlet 32 and then enters the vapor delivery conduit 253, is heated in the first exhaust treatment space 2511 to generate vapor, and the vapor then enters the vapor generation space 2421 and is secondarily heated by the heating element 243 to form superheated vapor, which then enters the vapor transition space of each vapor transition conduit 245 and finally enters the vapor collection space 25 b.
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 hydrogen production reaction part is provided with a hydrogen production reaction space and a hydrogen output opening communicated with the hydrogen production reaction space, and the hydrogen production reaction part comprises a hydrogen production catalyst arranged in the hydrogen production reaction space;
the vapour reaction portion, it is equipped with vapour reaction space and intercommunication vapour material import, tail gas import and the exhaust outlet in vapour reaction space, the vapour reaction portion still includes:
a vapor output port which is communicated with the vapor reaction space and the hydrogen production reaction space;
the heating reaction chamber is provided with a heating reaction space, and a combustion catalyst and tail gas are arranged in the heating reaction space;
the heat accumulation reaction chamber is arranged on one side of the heating reaction chamber and comprises a heat accumulation component and a heat accumulation reaction space;
wherein, the heating reaction chamber with the heat accumulation reaction chamber stacks each other, the heat accumulation subassembly is located in the heat accumulation reaction space.
2. The hydrogen production plant according to claim 1, wherein the heating reaction chamber is disposed vertically below the regenerative reaction chamber; the tail gas inlet is arranged on one side of the heating reaction chamber and communicated with the heating reaction space; the waste gas outlet is arranged on one side of the heat accumulation reaction chamber and communicated with the heat accumulation reaction space.
3. The hydrogen production plant according to claim 1, wherein the heating reaction chamber is provided above the heat accumulating reaction chamber in a vertical direction; the tail gas inlet is arranged on one side of the heating reaction chamber and communicated with the heating reaction space; the waste gas outlet is arranged on one side of the heat accumulation reaction chamber and communicated with the heat accumulation reaction space.
4. The hydrogen generation assembly of claim 2 or 3, wherein the heating reaction chamber comprises:
a vapor generation chamber provided with a vapor generation space communicating with the vapor material inlet;
at least one tail gas reaction tube, each tail gas reaction tube comprising a tail gas reaction space communicated with the tail gas inlet, the tail gas and the combustion catalyst being arranged in the tail gas reaction space;
at least one tail gas reaction pipe is arranged in the steam generation space, and each tail gas reaction space is isolated from the steam generation space.
5. The hydrogen generation assembly of claim 4, wherein the heating reaction chamber further comprises:
a first thermal storage member disposed within each of the off-gas reaction spaces and/or within the vapor generation space.
6. The hydrogen production plant according to claim 5, characterized in that a vapor delivery pipeline is further arranged in the heat storage reaction space;
the heat accumulation reaction chamber is communicated with the heat accumulation reaction space through the first connecting through hole.
7. The hydrogen production plant according to claim 6, wherein the steam outlet is provided at one side of the heat accumulation reaction chamber and is communicated with the heat accumulation reaction space.
8. The hydrogen generation assembly of claim 6, wherein the vapor reaction portion further comprises:
the first baffle is arranged in the heat storage reaction space, divides the heat storage reaction space into a first waste gas treatment space and a steam collecting space, and is provided with a second connecting through hole;
a second electric heater provided in the vapor collection space;
one end of the steam conveying pipeline is communicated with the steam generating space, and the other opposite end of the steam conveying pipeline is communicated with the second connecting through hole; the steam collecting space is positioned on one side of the first waste gas treatment space, which is far away from the heating reaction space, and the steam output port is communicated with the steam collecting space.
9. The hydrogen production apparatus according to claim 8, wherein the hydrogen production reaction part comprises a first electric heater and a second baffle plate, and the second baffle plate is provided with at least one third connecting through hole and at least one fourth connecting through hole;
wherein, the first electric heater is connected with at least one third connecting through hole in a matching way.
10. The hydrogen generation assembly of claim 9, comprising:
the storage part is arranged on one side of the steam generation part far away from the hydrogen production reaction part, and comprises:
a storage space;
a storage inlet communicating with the storage space;
wherein the storage space communicates the tail gas inlet with the storage inlet.
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| CN202110017034.1A Pending CN112642366A (en) | 2020-12-10 | 2021-01-07 | Hydrogen production device |
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| CN202120031953.XU Active CN214468514U (en) | 2020-12-10 | 2021-01-07 | Hydrogen production device and hydrogen production system |
| CN202110027929.3A Active CN112645282B (en) | 2020-12-10 | 2021-01-08 | Hydrogen production device |
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| CN112573482B (en) * | 2020-12-10 | 2022-07-08 | 洛阳沃达节能科技有限公司 | Hydrogen production pipe of hydrogen production device and hydrogen production device |
| CN114873563B (en) * | 2021-12-31 | 2024-02-20 | 安徽华塑股份有限公司 | Dehydrogenation gas equipment in hydrogen chloride synthetic gas |
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| CN112642366A (en) | 2021-04-13 |
| CN215086991U (en) | 2021-12-10 |
| CN214468514U (en) | 2021-10-22 |
| CN214936048U (en) | 2021-11-30 |
| CN214299275U (en) | 2021-09-28 |
| CN214693314U (en) | 2021-11-12 |
| CN214299267U (en) | 2021-09-28 |
| CN112573483A (en) | 2021-03-30 |
| CN214360249U (en) | 2021-10-08 |
| CN214299274U (en) | 2021-09-28 |
| CN112850642A (en) | 2021-05-28 |
| CN214468572U (en) | 2021-10-22 |
| CN214299266U (en) | 2021-09-28 |
| CN214360248U (en) | 2021-10-08 |
| CN112645282B (en) | 2023-11-10 |
| CN214399814U (en) | 2021-10-15 |
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