CN221080061U - Tail gas treatment device of methanol fuel cell - Google Patents
Tail gas treatment device of methanol fuel cell Download PDFInfo
- Publication number
- CN221080061U CN221080061U CN202420949451.9U CN202420949451U CN221080061U CN 221080061 U CN221080061 U CN 221080061U CN 202420949451 U CN202420949451 U CN 202420949451U CN 221080061 U CN221080061 U CN 221080061U
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- cavity
- carbon dioxide
- hydrogen
- copper oxide
- treatment cavity
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000000446 fuel Substances 0.000 title claims abstract description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 82
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 47
- 239000001257 hydrogen Substances 0.000 claims abstract description 47
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 41
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 41
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 24
- 239000005751 Copper oxide Substances 0.000 claims abstract description 23
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 23
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000009834 vaporization Methods 0.000 claims abstract description 13
- 230000008016 vaporization Effects 0.000 claims abstract description 13
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Classifications
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Abstract
The utility model provides a tail gas treatment device of a methanol fuel cell, which comprises a methanol water vaporization chamber, a flameless burner, a reformer and a galvanic pile which are connected, wherein the galvanic pile is communicated with an exhaust gas cavity, the exhaust gas cavity is connected with a heat conduction cavity through an exhaust pipe, the heat conduction cavity is sequentially communicated with a hydrogen treatment cavity and a carbon dioxide treatment cavity and is used for heating the hydrogen treatment cavity and the carbon dioxide treatment cavity, and a copper oxide storage cavity is arranged in the hydrogen treatment cavity. The carbon dioxide and unreacted hydrogen generated after the electric pile power generation are sequentially discharged into the hydrogen treatment cavity and the carbon dioxide treatment cavity, the hydrogen passes through the glowing copper oxide and generates water vapor, the carbon dioxide reacts with the calcium hydroxide solution, the carbon dioxide is effectively eliminated, the excessive discharge of the hydrogen and the carbon dioxide is avoided, the control of the discharge is beneficial to protecting the health and safety of personnel, the copper oxide is heated in a system waste heat mode, and the energy consumption is saved in the heating process.
Description
Technical Field
The utility model mainly relates to the technical field of methanol fuel cells, in particular to a tail gas treatment device of a methanol fuel cell.
Background
For people engaged in outdoor work, loving self-driving tour and loving outdoor exercises, outdoor power failure is a difficult problem to be solved. The power supply mode of directly converting chemical energy into electric energy through the fuel cell can meet the requirements, and particularly the direct methanol fuel cell has the advantages of low pollution, very convenient fuel supplementation, high conversion efficiency, high safety, simple structure, light weight, small volume, high specific energy and volume specific energy, easiness in operation, convenience in maintenance and the like, the methanol reforming hydrogen fuel cell uses a methanol aqueous solution as fuel, the methanol aqueous solution is converted into hydrogen gas mixture through a reformer, and the hydrogen gas mixture reacts in a high-temperature proton exchange membrane fuel cell stack to externally output electric energy.
As disclosed in chinese patent publication No. CN105529482a, a methanol fuel cell system is disclosed, which comprises a flameless combustion chamber, a reformer, a heat exchanger and a galvanic pile, which are sequentially connected, wherein the flameless combustion chamber comprises a blower for blowing high-temperature exhaust gas generated by flameless combustion to the reformer, a heat absorbing sheet capable of transferring heat of the high-temperature exhaust gas to the reformer is arranged between the flameless combustion chamber and the reformer in the application, the heat exchanger comprises a first injection port for methanol water, a water evaporation channel for methanol, a heat exchange oil pipeline, a high-temperature hydrogen pipeline and a steam outlet for methanol, the steam outlet for methanol is communicated with the reformer, the flameless combustion chamber comprises an air flow inlet communicated with a residual air pipeline of the galvanic pile, and residual air of the galvanic pile enters the flameless combustion chamber for combustion through the air flow inlet.
The application has a compact structure and can be suitable for more application occasions, but the design still has certain defects, and when the application is used, carbon dioxide discharged by the application cannot be eliminated, so that the carbon dioxide is excessively discharged outwards and inhaled by a human body to influence health.
Disclosure of utility model
1. The utility model aims to solve the technical problems that:
The utility model provides a tail gas treatment device of a methanol fuel cell, which is used for solving the technical problems in the background technology.
2. The technical scheme is as follows:
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the tail gas treatment device of the methanol fuel cell comprises a methanol water vaporization chamber, a flameless burner, a reformer and a galvanic pile, wherein the input end of the methanol water vaporization chamber is connected with a methanol water supply mechanism, the output end of the methanol water vaporization chamber is connected with the flameless burner, the flameless burner is connected with the reformer, the reformer is connected with the galvanic pile, the galvanic pile is communicated with an exhaust gas cavity, the exhaust gas cavity is connected with a heat conducting cavity through an exhaust pipe, and the heat conducting cavity is sequentially communicated with a hydrogen treatment cavity and a carbon dioxide treatment cavity and is used for heating the hydrogen treatment cavity and the carbon dioxide treatment cavity;
The hydrogen treatment cavity is internally provided with a copper oxide storage cavity, copper oxide powder is arranged in the copper oxide storage cavity, a filter hole is formed in the copper oxide storage cavity, the heat conduction cavity is used for heating the copper oxide powder in the copper oxide storage cavity, the lower end of the heat conduction cavity is provided with an air inlet communicated with the hydrogen treatment cavity, the heat conduction cavity is internally provided with a plurality of heat conduction fins at equal distance, one end of each heat conduction fin extends into the flameless burner, and the other end of each heat conduction fin extends into the hydrogen treatment cavity;
The carbon dioxide treatment cavity is internally provided with a calcium hydroxide solution, one end of the carbon dioxide treatment cavity is provided with an air inlet pipe, the other end of the carbon dioxide treatment cavity is provided with an air outlet pipe, one end of the air inlet pipe is arranged in the hydrogen treatment cavity, and the other end of the air inlet pipe extends into the calcium hydroxide solution.
Preferably, an exhaust fan is arranged at one side of the exhaust cavity, a baffle is arranged at two ends of the exhaust fan, and a guide plate is arranged on the baffle close to one end of the exhaust fan.
Preferably, the exhaust pipe is sleeved with heat insulation cotton.
Preferably, a plurality of heat conducting plates are arranged at the lower ends of the heat conducting plates, and the copper oxide storage cavities are arranged at the lower ends of the heat conducting plates.
3. The beneficial effects are that:
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
According to the utility model, the methanol water vaporization chamber, the flameless burner and the reformer are used for supplying hydrogen to the electric pile, carbon dioxide and unreacted hydrogen generated after the electric pile generates electricity enter the waste gas chamber, the mixed gas is sequentially discharged into the hydrogen treatment chamber and the carbon dioxide treatment chamber through the wind discharge wheel, the exhaust pipe and the heat conduction chamber, the hydrogen passes through the hot copper oxide and generates water vapor, and the carbon dioxide reacts with the calcium hydroxide solution, so that the carbon dioxide is dissolved in the calcium hydroxide to form calcium carbonate, the carbon dioxide is effectively eliminated, the excessive discharge of the hydrogen and the carbon dioxide is avoided, and the control of the discharge is beneficial to protecting the health and safety of personnel.
According to the utility model, carbon dioxide and unreacted hydrogen generated after power generation of the galvanic pile enter the heat conducting cavity, the heat conducting sheet and the heat conducting plate transfer heat in the flameless burner and heat carried by the mixed gas to copper oxide powder in the hydrogen processing cavity, and the copper oxide is heated in a system waste heat mode, so that energy consumption is saved in the heating process, and the resource utilization rate is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a galvanic pile structure according to the utility model;
FIG. 3 is a schematic view of the hydrogen processing chamber and carbon dioxide processing chamber structures of the present utility model;
FIG. 4 is a schematic view of the exhaust duct according to the present utility model;
fig. 5 is a schematic view of a heat conducting cavity structure of the present utility model.
Reference numerals:
1. A methanol water vaporization chamber; 2. a flameless burner; 3. a reformer; 4. a galvanic pile; 5. a waste gas chamber; 6. an exhaust wheel; 7. an exhaust pipe; 8. thermal insulation cotton; 9. a heat conducting cavity; 10. a hydrogen treatment chamber; 11. a carbon dioxide treatment chamber; 12. a heat conductive sheet; 13. an air inlet hole; 14. a heat conductive plate; 15. a copper oxide storage cavity; 16. an air inlet pipe; 17. an air outlet pipe; 18. a partition plate; 19. and a deflector.
Detailed Description
In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, the structure not described in the present utility model does not relate to the design gist and the improvement direction of the present utility model, which are the same as the prior art or can be implemented by using the prior art, and the description is omitted herein.
Examples
Referring to fig. 1 to 5, an exhaust gas treatment device of a methanol fuel cell comprises a methanol water vaporization chamber 1, a flameless burner 2, a reformer 3 and a pile 4, wherein the input end of the methanol water vaporization chamber 1 is connected with a methanol water supply mechanism, the output end of the methanol water vaporization chamber 1 is connected with the flameless burner 2, the flameless burner 2 is connected with the reformer 3, the reformer 3 is connected with the pile 4, the pile 4 is communicated with an exhaust gas cavity 5, the exhaust gas cavity 5 is connected with a heat conducting cavity 9 through an exhaust pipe 7, and the heat conducting cavity 9 is sequentially communicated with a hydrogen treatment cavity 10 and a carbon dioxide treatment cavity 11 and heats the hydrogen treatment cavity 10 and the carbon dioxide treatment cavity 11.
The hydrogen treatment chamber 10 is internally provided with a copper oxide storage chamber 15, copper oxide powder is arranged in the copper oxide storage chamber 15, and the heat conduction chamber 9 is used for heating the copper oxide powder in the copper oxide storage chamber 15.
An air inlet hole 13 communicated with the hydrogen treatment cavity 10 is formed in the lower end of the heat conduction cavity 9, a plurality of heat conduction fins 12 are equidistantly arranged in the heat conduction cavity 9, one end of each heat conduction fin 12 extends into the flameless burner 2, and the other end of each heat conduction fin extends into the hydrogen treatment cavity 10.
The carbon dioxide treatment chamber 11 is internally provided with a calcium hydroxide solution, one end of the carbon dioxide treatment chamber 11 is provided with an air inlet pipe 16, the other end of the carbon dioxide treatment chamber is provided with an air outlet pipe 17, one end of the air inlet pipe 16 is arranged in the hydrogen treatment chamber 10, the other end of the air inlet pipe extends into the calcium hydroxide solution, the air outlet pipe 17 is connected with the outside, and a valve is arranged on the air outlet pipe 17.
One side of the exhaust cavity 5 is provided with an exhaust wheel 6, two ends of the exhaust pipe 7 are provided with a baffle 18, and a baffle 19 is arranged on the baffle 18 near one end of the exhaust wheel 6. The exhaust pipe 7 is sleeved with heat insulation cotton 8.
The lower end of the heat conducting sheet 12 is provided with a plurality of heat conducting plates 14, and a copper oxide storage chamber 15 is provided at the lower end of the heat conducting plates 14. The outer wall of the copper oxide storage cavity 15 is provided with a filtering hole, so that hydrogen can conveniently enter the copper oxide storage cavity 15 through the filtering hole, and the hydrogen can be treated.
Working principle:
The hydrogen is supplied to the electric pile 4 through the reaction of the methanol water supply mechanism, the methanol water vaporization chamber 1, the flameless burner 2 and the reformer 3, the carbon dioxide generated after the electric pile 4 generates electricity and the unreacted hydrogen enter the waste gas cavity 5, and the mixed gas is sequentially discharged into the hydrogen treatment cavity 10 and the carbon dioxide treatment cavity 11 through the wind discharging wheel 6, the wind discharging pipe 7 and the heat conducting cavity 9. Carbon dioxide and unreacted hydrogen generated after power generation of the electric pile 4 enter the heat conducting cavity 9, the heat conducting sheet 12 and the heat conducting plate 14 transfer heat in the flameless burner 2 and heat carried by mixed gas to the copper oxide storage cavity 15 in the hydrogen treatment cavity 10, the copper oxide powder is heated in a system waste heat mode, energy consumption is saved in the heating process, the resource utilization rate is improved, and hydrogen passes through the burning copper oxide powder and steam is generated. And then carbon dioxide enters the carbon dioxide treatment cavity 11 through the air inlet pipe 16 and then reacts with the calcium hydroxide solution, so that the carbon dioxide is dissolved in the calcium hydroxide to form calcium carbonate, the reaction is further promoted by utilizing the system waste heat, the carbon dioxide is effectively eliminated, the excessive discharge of hydrogen and carbon dioxide outwards is avoided, and the control of the discharge is beneficial to protecting the health and safety of personnel.
The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (4)
1. An exhaust gas treatment device of a methanol fuel cell, which is characterized in that: the device comprises a methanol water vaporization chamber (1), a flameless burner (2), a reformer (3) and a galvanic pile (4), wherein the input end of the methanol water vaporization chamber (1) is connected with a methanol water supply mechanism, the output end of the methanol water vaporization chamber (1) is connected with the flameless burner (2), the flameless burner (2) is connected with the reformer (3), the reformer (3) is connected with the galvanic pile (4), the galvanic pile (4) is communicated with an exhaust gas cavity (5), the exhaust gas cavity (5) is connected with a heat conducting cavity (9) through an exhaust pipe (7), and the heat conducting cavity (9) is sequentially communicated with a hydrogen treatment cavity (10) and a carbon dioxide treatment cavity (11) and is used for heating the hydrogen treatment cavity (10) and the carbon dioxide treatment cavity (11);
The hydrogen treatment device comprises a hydrogen treatment cavity (10), wherein a copper oxide storage cavity (15) is arranged in the hydrogen treatment cavity (10), copper oxide powder is arranged in the copper oxide storage cavity (15), a filter hole is formed in the copper oxide storage cavity (15), a heat conduction cavity (9) is used for heating the copper oxide powder in the copper oxide storage cavity (15), an air inlet hole (13) communicated with the hydrogen treatment cavity (10) is formed in the lower end of the heat conduction cavity (9), a plurality of heat conduction sheets (12) are equidistantly arranged in the heat conduction cavity (9), one end of each heat conduction sheet (12) extends into a flameless burner (2), and the other end of each heat conduction sheet extends into the hydrogen treatment cavity (10);
the device is characterized in that a calcium hydroxide solution is arranged in the carbon dioxide treatment cavity (11), an air inlet pipe (16) is arranged at one end of the carbon dioxide treatment cavity (11), an air outlet pipe (17) is arranged at the other end of the carbon dioxide treatment cavity, one end of the air inlet pipe (16) is arranged in the hydrogen treatment cavity (10), and the other end of the air inlet pipe extends into the calcium hydroxide solution.
2. The exhaust gas treatment device for a methanol fuel cell as in claim 1, wherein: one side of the waste gas cavity (5) is provided with an exhaust wheel (6), two ends of the exhaust pipe (7) are provided with a baffle plate (18), and a guide plate (19) is arranged on the baffle plate (18) close to one end of the exhaust wheel (6).
3. The exhaust gas treatment device for a methanol fuel cell as in claim 1, wherein: and the exhaust pipe (7) is sleeved with heat insulation cotton (8).
4. The exhaust gas treatment device for a methanol fuel cell as in claim 1, wherein: the lower end of the heat conducting fin (12) is provided with a plurality of heat conducting plates (14), and the copper oxide storage cavity (15) is arranged at the lower end of the heat conducting plates (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420949451.9U CN221080061U (en) | 2024-05-06 | 2024-05-06 | Tail gas treatment device of methanol fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420949451.9U CN221080061U (en) | 2024-05-06 | 2024-05-06 | Tail gas treatment device of methanol fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221080061U true CN221080061U (en) | 2024-06-04 |
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ID=91258081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420949451.9U Active CN221080061U (en) | 2024-05-06 | 2024-05-06 | Tail gas treatment device of methanol fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221080061U (en) |
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- 2024-05-06 CN CN202420949451.9U patent/CN221080061U/en active Active
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