CN109592638B - Self-heating hydrogen production device - Google Patents
Self-heating hydrogen production device Download PDFInfo
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- CN109592638B CN109592638B CN201811636008.1A CN201811636008A CN109592638B CN 109592638 B CN109592638 B CN 109592638B CN 201811636008 A CN201811636008 A CN 201811636008A CN 109592638 B CN109592638 B CN 109592638B
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- Prior art keywords
- hydrogen production
- methanol water
- production reactor
- air outlet
- coil
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 109
- 239000001257 hydrogen Substances 0.000 title claims abstract description 109
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 82
- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000001704 evaporation Methods 0.000 claims abstract description 61
- 230000008020 evaporation Effects 0.000 claims abstract description 39
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000002737 fuel gas Substances 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 1
- 238000004781 supercooling Methods 0.000 abstract description 7
- 239000012774 insulation material Substances 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004230 steam cracking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
Abstract
The self-heating hydrogen production device comprises a methanol water evaporation coil, an air outlet pipe, an insulation box and a hydrogen production reactor, wherein the insulation box comprises a box body and an insulation material coated on the outer wall of the box body; the hydrogen production reactor is arranged in the heat preservation box, the hydrogen production reactor is provided with an air inlet and an air outlet, the air inlet of the hydrogen production reactor is connected with one end of the methanol water evaporation coil, the air outlet of the hydrogen production reactor is connected with one end of the air outlet pipe, and the other ends of the methanol water evaporation coil and the air outlet pipe extend out of the heat preservation box; the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe are coated with a metal heat conducting layer, a catalytic combustion chamber is arranged in the heat insulation box, the catalytic combustion chamber is provided with a fuel gas inlet and a fuel gas outlet, and the catalytic combustion chamber is separated from the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer and transfers heat. The invention ensures no excessive heat point and no supercooling point by utilizing the full cladding design and high heat conductivity of the metal heat conducting layer, and improves the efficiency of hydrogen production reaction.
Description
Technical Field
The invention relates to the technical field of hydrogen production equipment, in particular to a self-heating hydrogen production device.
Background
Hydrogen energy is a clean secondary energy source. In recent years, as the development of hydrogen energy application technology has matured and the global pressure to cope with climate change has increased continuously, the development of hydrogen energy industry has been attracting attention in countries around the world, and developed countries such as the united states, germany, japan, etc. have successively increased the development of hydrogen energy industry to a national energy strategy. And the country of the innovation of the hydrogen energy and the fuel cell technology marks that the hydrogen energy industry is incorporated into the national energy strategy in the innovation action plan of the energy technology revolution.
The methanol-water hydrogen production machine is widely used as portable movable hydrogen production equipment. The principle is that the methanol water fuel absorbs heat and gasifies and reforms to produce hydrogen, and the hydrogen is purified. After pressurizing and endothermic gasifying, the methanol-water fuel enters a catalyst to carry out reforming reaction (strong endothermic reaction), so as to obtain hydrogen rich in impurities. The hydrogen passes through the purifier to generate high-purity hydrogen (the hydrogen is purified and converted into high-purity hydrogen (H2) with the purity reaching 99.99 percent, and the CO content is less than or equal to 1 ppm). The heat required during the gasification and reforming reactions is provided by the purification of the remaining tail gas. Hydrogen enters the electric pile to generate electrochemical reaction after passing through a series of control valves, and electric energy is generated.
The reaction mechanism is as follows:
CH 3 OH(g)→CO+2H 2 ，Δ＝-90.64KJ/mol，
CO+H2O(g)→CO2+H2，Δ＝-41.00KJ/mol。
the reaction is a strong endothermic reaction, heat is required to be continuously supplied to maintain the reaction, and the conventional operation mode is an electric heating mode or a fuel direct combustion heating mode. The electric heating generally utilizes the electric quantity generated by the hydrogen fuel cell to supply and heat, the mode can reduce the efficiency of hydrogen production and power generation of the methanol, and hot spots are easy to generate by directly using electric heating modes such as a heating belt, a heating rod and the like, and the hot spots can cause carbon deposition reaction and influence the service life of the catalyst. If the fuel direct combustion mode is adopted, the loss of electric energy is avoided to a certain extent, but hot spots are extremely easy to generate, the reaction is affected, and the service life of the catalyst is reduced.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a self-heating hydrogen production device which does not need an external heat source and has the advantages of rapid heat conduction, uniform heating, less heat loss and the like, thereby improving the efficiency of hydrogen production reaction and reducing energy consumption.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the self-heating hydrogen production device comprises a methanol water evaporation coil, an air outlet pipe, an insulation box and a hydrogen production reactor, wherein the insulation box comprises a box body and an insulation material coated on the outer wall of the box body; the hydrogen production reactor is arranged in the heat preservation box, the hydrogen production reactor is provided with an air inlet and an air outlet, the air inlet of the hydrogen production reactor is connected with one end of the methanol water evaporation coil, the air outlet of the hydrogen production reactor is connected with one end of the air outlet pipe, and the other ends of the methanol water evaporation coil and the air outlet pipe extend out of the heat preservation box; the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe are coated with a metal heat conducting layer, a catalytic combustion chamber is arranged in the heat insulation box, the catalytic combustion chamber is provided with a fuel gas inlet and a fuel gas outlet, and the catalytic combustion chamber is separated from the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer and transfers heat.
From the above, the working principle of the invention is as follows: the fuel gas and air enter the catalytic combustion chamber through the fuel gas inlet to burn and generate heat, so as to provide heat for vaporization of the methanol water and hydrogen production, the flue gas is discharged from the flue gas outlet, and the heat generated by the catalytic combustion chamber is transferred to the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer; methanol water is input into the hydrogen production reactor through the methanol water evaporating coil, the methanol water is gasified into a gaseous state through heat absorption in the methanol water evaporating coil, and is preheated to a proper reaction temperature to enter the hydrogen production reactor, the methanol water is cracked into hydrogen, carbon dioxide and a small amount of unreacted methanol steam, and byproducts of carbon monoxide and methane through heat absorption under the action of the catalyst, the mixed gas is discharged through an air outlet pipe and enters a subsequent purification working section, and the whole box body is coated by a heat insulation material to prevent heat energy from being lost.
In conclusion, the heat generated by the catalytic combustion chamber is transferred to the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer, so that the heat energy can be efficiently and timely transferred to the hydrogen production reactor, the full-cladding design and the high heat conductivity of the metal heat conducting layer ensure that no hot spot and supercooling point exist, the heating is uniform, the efficiency of the hydrogen production reaction is improved, the stable reaction is realized, and the thermal shock effect of the overheat supercooling on catalyst particles is reduced; the methanol water is preheated to a proper reaction temperature while the evaporation coil absorbs heat and is vaporized, the methanol water vapor enters the hydrogen production reactor to generate a methanol cracking reaction, so that the heat dissipation loss is reduced, the heat utilization rate is improved, and simultaneously, the methanol water vaporization and the hydrogen production reactor are integrated in the same heat insulation box, so that the space utilization rate of equipment is improved, and the volume of the equipment is reduced.
As an improvement of the invention, the hydrogen production reactor is a tubular reactor or a thin layer reactor.
As an improvement of the invention, buffer chambers are arranged at the air inlet and the air outlet in the hydrogen production reactor.
As an improvement of the invention, the methanol water evaporation coil comprises an upper methanol water evaporation coil and a lower methanol water evaporation coil, the hydrogen production reactor is arranged in the middle of the heat preservation box, the upper methanol water evaporation coil is arranged above the hydrogen production reactor, the lower methanol water evaporation coil is arranged below the hydrogen production reactor, the heat preservation box is provided with an upper catalytic combustion chamber above the upper methanol water evaporation coil, and a lower catalytic combustion chamber below the lower methanol water evaporation coil.
As an improvement of the invention, the gas inlet of the catalytic combustion chamber is connected with an air inlet pipe, and an igniter is arranged on the air inlet pipe.
Further, the metal heat conduction layer is an aluminum metal heat conduction layer or a copper metal heat conduction layer.
Further, the methanol water evaporation coil is a serpentine coil.
Compared with the prior art, the invention has the following advantages:
the heat generated by the catalytic combustion chamber is transferred to the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer, so that the heat energy can be efficiently and timely transferred to the hydrogen production reactor, the full-cladding design and the high heat conductivity of the metal heat conducting layer ensure that no hot spot and supercooling point exist, the heating is uniform, the efficiency of the hydrogen production reaction is improved, the stable reaction is realized, and the thermal shock effect of the overheat supercooling on catalyst particles is reduced;
the methanol water is preheated to a proper reaction temperature while the evaporation coil absorbs heat and is vaporized, the methanol water vapor enters the hydrogen production reactor to generate a methanol cracking reaction, so that the heat dissipation loss is reduced, the heat utilization rate is improved, and simultaneously, the methanol water vaporization and the hydrogen production reactor are integrated in the same heat insulation box, so that the space utilization rate of equipment is improved, and the equipment volume is reduced;
the mixed gas source can be used as fuel gas of a catalytic combustion chamber, so that the emission problem of toxic carbon monoxide and methanol steam in the waste gas is solved, the utilization rate of raw materials is improved, the maximized and optimized utilization rate of the raw materials is realized, and the system can work independently without an external power supply, and the applicability of equipment is improved.
Drawings
FIG. 1 is a cross-sectional view of a self-heating hydrogen plant of the present invention;
FIG. 2 is a schematic diagram of a methanol water evaporation coil of the self-heating hydrogen plant of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the matters related to the present invention are shown in the accompanying drawings.
Examples
Referring to fig. 1 and 2, a self-heating hydrogen production device comprises a methanol water evaporation coil, an air outlet pipe 40, an insulation box 10 and a hydrogen production reactor 30, wherein the insulation box 10 comprises a box body 11 and an insulation material 12 coated on the outer wall of the box body 11; the hydrogen production reactor 30 is arranged in the heat preservation box 10, the hydrogen production reactor 30 is provided with an air inlet and an air outlet, the air inlet of the hydrogen production reactor 30 is connected with one end of a methanol water evaporation coil, the air outlet of the hydrogen production reactor 30 is connected with one end of an air outlet pipe 40, and the methanol water evaporation coil and the other end of the air outlet pipe 40 extend out of the heat preservation box 10; the hydrogen production reactor 30, the methanol water evaporating coil and the air outlet pipe 40 are coated with a metal heat conducting layer 60, a catalytic combustion chamber is arranged in the heat preservation box 10, the catalytic combustion chamber is provided with a fuel gas inlet 53 and a flue gas outlet 54, and the catalytic combustion chamber is separated from the hydrogen production reactor 30, the methanol water evaporating coil and the air outlet pipe 40 through the metal heat conducting layer 60 and transfers heat.
From the above, the working principle of the invention is as follows: the fuel gas and air enter the catalytic combustion chamber through the fuel gas inlet to burn and generate heat, so as to provide heat for vaporization of the methanol water and hydrogen production, the flue gas is discharged from the flue gas outlet, and the heat generated by the catalytic combustion chamber is transferred to the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer; methanol water is input into the hydrogen production reactor through the methanol water evaporating coil, the methanol water is gasified into a gaseous state through heat absorption in the methanol water evaporating coil, and is preheated to a proper reaction temperature to enter the hydrogen production reactor, the methanol water is cracked into hydrogen, carbon dioxide and a small amount of unreacted methanol steam, and byproducts of carbon monoxide and methane through heat absorption under the action of the catalyst, the mixed gas is discharged through an air outlet pipe and enters a subsequent purification working section, and the whole box body is coated by a heat insulation material to prevent heat energy from being lost.
In conclusion, the heat generated by the catalytic combustion chamber is transferred to the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer, so that the heat energy can be efficiently and timely transferred to the hydrogen production reactor, the full-cladding design and the high heat conductivity of the metal heat conducting layer ensure that no hot spot and supercooling point exist, the heating is uniform, the efficiency of the hydrogen production reaction is improved, the stable reaction is realized, and the thermal shock effect of the overheat supercooling on catalyst particles is reduced; the methanol water is preheated to a proper reaction temperature while the evaporation coil absorbs heat and is vaporized, the methanol water vapor enters the hydrogen production reactor to generate a methanol cracking reaction, so that the heat dissipation loss is reduced, the heat utilization rate is improved, and simultaneously, the methanol water vaporization and the hydrogen production reactor are integrated in the same heat insulation box, so that the space utilization rate of equipment is improved, and the volume of the equipment is reduced.
In addition, the invention generates hydrogen, carbon dioxide, a small amount of unreacted methanol steam, and byproducts carbon monoxide and methane, and the mixed gas source can be used as fuel gas of a catalytic combustion chamber, thereby not only solving the emission problem of toxic carbon monoxide and methanol steam in the purge exhaust gas, but also improving the utilization rate of raw materials, realizing the maximized and optimized utilization rate of raw materials.
In addition, the hydrogen production reactor 30 is a tubular reactor or a thin layer reactor, and in this embodiment, the hydrogen production reactor is preferably a tubular reactor.
In this embodiment, buffer chambers 31 are provided in the hydrogen production reactor 30 at the gas inlet and the gas outlet. The buffer chamber can make the methanol steam cracking reaction in the hydrogen making reactor more sufficient.
In this embodiment, the methanol water evaporation coil includes an upper methanol water evaporation coil 21 and a lower methanol water evaporation coil 22, the hydrogen production reactor 30 is disposed in the middle of the incubator 10, the upper methanol water evaporation coil 21 is disposed above the hydrogen production reactor 30, the lower methanol water evaporation coil 22 is disposed below the hydrogen production reactor 30, the incubator 10 is provided with an upper catalytic combustion chamber 51 above the upper methanol water evaporation coil 21, and a lower catalytic combustion chamber 52 below the lower methanol water evaporation coil 22. The upper methanol water evaporating coil and the lower methanol water evaporating coil are arranged to improve the methanol water evaporating efficiency, and the upper catalytic combustion chamber and the lower catalytic combustion chamber are additionally arranged to improve the heating balance of the hydrogen production reactor and the reaction effect.
In this embodiment, the gas inlet 53 of the catalytic combustor is connected to an air inlet pipe 70, and an igniter 80 is disposed on the air inlet pipe 70. The igniter is used for igniting the fuel gas entering the catalytic combustion chamber, and is convenient and practical.
In this embodiment, the metal heat conducting layer 60 is an aluminum metal heat conducting layer or a copper metal heat conducting layer, preferably a copper metal heat conducting layer, and the copper material has higher heat conductivity than the copper material.
In this embodiment, the methanol water evaporation coil is a serpentine coil. The serpentine coil is favorable for the arrangement of the space in the heat preservation box, and the evaporation effect of methanol water can not be reduced.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (6)
1. The self-heating hydrogen production device is characterized in that: the device comprises a methanol water evaporating coil, an air outlet pipe, an incubator and a hydrogen production reactor, wherein the incubator comprises a box body and an insulating material coated on the outer wall of the box body; the hydrogen production reactor is arranged in the heat preservation box, the hydrogen production reactor is provided with an air inlet and an air outlet, the air inlet of the hydrogen production reactor is connected with one end of the methanol water evaporation coil, the air outlet of the hydrogen production reactor is connected with one end of the air outlet pipe, and the other ends of the methanol water evaporation coil and the air outlet pipe extend out of the heat preservation box; the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe are coated with a metal heat conducting layer, a catalytic combustion chamber is arranged in the heat insulation box, the catalytic combustion chamber is provided with a fuel gas inlet and a fuel gas outlet, and the catalytic combustion chamber is separated from the hydrogen production reactor, the methanol water evaporating coil and the air outlet pipe through the metal heat conducting layer and transfers heat;
the methanol water evaporation coil comprises an upper methanol water evaporation coil and a lower methanol water evaporation coil, the hydrogen production reactor is arranged in the middle of the heat preservation box, the upper methanol water evaporation coil is arranged above the hydrogen production reactor, the lower methanol water evaporation coil is arranged below the hydrogen production reactor, the heat preservation box is provided with an upper catalytic combustion chamber above the upper methanol water evaporation coil, and a lower catalytic combustion chamber below the lower methanol water evaporation coil;
the hydrogen and carbon dioxide generated by the reaction are mixed with a small amount of unreacted methanol steam, and byproducts of carbon monoxide and methane, and the mixed gas source is used as fuel gas of a catalytic combustion chamber.
2. The self-heating hydrogen plant according to claim 1, wherein: the hydrogen production reactor is a tubular reactor or a thin-layer reactor.
3. The self-heating hydrogen plant according to claim 1, wherein: buffer chambers are arranged at the air inlet and the air outlet in the hydrogen production reactor.
4. The self-heating hydrogen plant according to claim 1, wherein: the gas inlet of the catalytic combustion chamber is connected with an air inlet pipe, and an igniter is arranged on the air inlet pipe.
5. The self-heating hydrogen plant according to claim 1, wherein: the metal heat conduction layer is an aluminum metal heat conduction layer or a copper metal heat conduction layer.
6. The self-heating hydrogen plant according to claim 1, wherein: the methanol water evaporating coil is a serpentine coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636008.1A CN109592638B (en) | 2018-12-29 | 2018-12-29 | Self-heating hydrogen production device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636008.1A CN109592638B (en) | 2018-12-29 | 2018-12-29 | Self-heating hydrogen production device |
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| Publication Number | Publication Date |
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| CN109592638A CN109592638A (en) | 2019-04-09 |
| CN109592638B true CN109592638B (en) | 2023-10-31 |
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| CN201811636008.1A Active CN109592638B (en) | 2018-12-29 | 2018-12-29 | Self-heating hydrogen production device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429308B (en) * | 2019-08-06 | 2023-06-27 | 广东能创科技有限公司 | Methanol hydrogen production power generation system |
| CN110329993B (en) * | 2019-08-06 | 2023-11-21 | 广东能创科技有限公司 | High-performance reforming reactor |
| CN113432125B (en) * | 2021-07-15 | 2023-03-28 | 山西新源煤化燃料有限公司 | White oil hydrogen-mixed combustion device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529482A (en) * | 2016-01-28 | 2016-04-27 | 苏州氢洁电源科技有限公司 | Methanol fuel cell system |
| CN105633438A (en) * | 2016-03-11 | 2016-06-01 | 常州博能新能源有限公司 | Reforming hydrogen production system used for methanol fuel battery pack |
| CN209383388U (en) * | 2018-12-29 | 2019-09-13 | 广东能创科技有限公司 | A kind of self-heating device for producing hydrogen |
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2018
- 2018-12-29 CN CN201811636008.1A patent/CN109592638B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529482A (en) * | 2016-01-28 | 2016-04-27 | 苏州氢洁电源科技有限公司 | Methanol fuel cell system |
| CN105633438A (en) * | 2016-03-11 | 2016-06-01 | 常州博能新能源有限公司 | Reforming hydrogen production system used for methanol fuel battery pack |
| CN209383388U (en) * | 2018-12-29 | 2019-09-13 | 广东能创科技有限公司 | A kind of self-heating device for producing hydrogen |
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| CN109592638A (en) | 2019-04-09 |
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