CN213959001U - Device and system for filtering alkali vapor of metal fuel cell - Google Patents
Device and system for filtering alkali vapor of metal fuel cell Download PDFInfo
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- CN213959001U CN213959001U CN202022557904.8U CN202022557904U CN213959001U CN 213959001 U CN213959001 U CN 213959001U CN 202022557904 U CN202022557904 U CN 202022557904U CN 213959001 U CN213959001 U CN 213959001U
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- fuel cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model provides a metal fuel cell alkali vapor filtering's device and system, wherein, the device includes: the filter comprises a filter container, an air inlet pipeline, an exhaust pipeline and a liquid injection window; wherein, the filter container is respectively provided with an air inlet pipeline, an exhaust pipeline and a liquid injection window; the filtering container is used for storing the filtrate; the gas inlet pipeline extends into the filtering container and is used for introducing mixed gas containing alkali steam generated during the operation of the metal fuel cell into the filtering container; the exhaust pipeline is used for discharging gas treated by the filtering liquid; the liquid injection window is used as an opening for injecting the filtering liquid and an observation window. The non-alkaline gas can be discharged by dissolving or neutralizing the alkaline component in the mixed gas discharged when the metal fuel cell is operated by using the filtrate in the device.
Description
Technical Field
The utility model relates to a metal fuel cell field especially relates to a metal fuel cell alkali vapor filtering's device and system.
Background
The metal fuel cell takes metal as a cathode reactant; oxygen in the air is a positive electrode reactant; a special type of fuel cell in which a neutral or alkaline aqueous solution is used as the electrolyte. The energy-saving lamp has the characteristics of high specific energy, stable performance, safety, no pollution and the like, is well paid attention at home and abroad, and has wide application prospect in various fields such as communication power supplies, high-power reserve power supplies, outdoor illumination and the like.
Metal fuel cells in which alkaline electrolyte is used, such as potassium hydroxide and sodium hydroxide, generate a large amount of mixed gas during operation. With the increase of the reaction temperature, a large amount of alkali vapor (water vapor contains alkali, also called as alkali mist) is generated, and meanwhile, the metal electrode can generate self-corrosion hydrogen evolution reaction in the electrolyte to generate hydrogen. Therefore, the mixed gas generated by the operation of the metal fuel cell is accumulated in the cell, the internal pressure of the cell is gradually increased, the circulation of liquid flow is influenced, and the operation of the cell is unstable. Therefore, the exhaust passage is required to exhaust the generated mixture gas to maintain stable operation of the battery. It is now common practice to vent the gas directly to the outside of the cell, or to the outside environment, so that the external venting of the alkaline components of the mixed gas can affect the surrounding environment, especially for indoor use in metal fuel cells, and the vented gas can corrode the surrounding objects.
For example, chinese patent publication No. CN108183287A discloses a metal fuel cell system with a hydrogen elimination function, which includes a cell stack provided with a hydrogen gas discharge port, an electrolyte circulation system, and a hydrogen elimination system, wherein hydrogen gas generated by the metal fuel cell reaction is eliminated by using a hydrogen elimination reaction catalyst. However, the alkali vapor is not treated, and the discharged gas still has influence on the surrounding environment.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem that can influence the environment to the direct emission of the alkali steam that metal fuel cell produced under higher temperature not handling, the utility model discloses a device and system that metal fuel cell alkali steam filters carries out the dissolution or the neutralization of alkali composition with a large amount of alkaline mist that produces during metal fuel cell operation, discharges non-alkaline mist.
In order to achieve the above objects, in one aspect, the present invention provides an apparatus for alkali vapor filtration of a metal fuel cell, comprising: the filter comprises a filter container, an air inlet pipeline, an exhaust pipeline and a liquid injection window; wherein, the filter container is respectively provided with an air inlet pipeline, an exhaust pipeline and a liquid injection window; the filtering container is used for storing the filtrate; the gas inlet pipeline extends into the filtering container and is used for introducing mixed gas containing alkali steam generated during the operation of the metal fuel cell into the filtering container; the exhaust pipeline is used for discharging gas treated by the filtering liquid; the liquid injection window is used as an opening for injecting the filtering liquid and an observation window.
According to the utility model discloses an embodiment, wherein, the bottom both ends of filtering container are provided with a plurality of mounting holes respectively for fixed filtering container.
According to the utility model discloses an embodiment, wherein, the admission line is used for being connected through the gas pump with metal fuel cell group's the port of giving vent to anger to take the mist that produces metal fuel cell group out in leading-in filtration container.
According to the utility model discloses an embodiment, wherein, inlet line's bottom sets up a plurality of through-holes for in entering into the filtrate with mist.
According to an embodiment of the present invention, wherein the filtrate comprises clear water or an acidic solution; the filtrate needs to be submerged in the through holes provided in the intake duct.
According to the utility model discloses an embodiment, wherein, annotate and be provided with the window lid on the liquid window.
According to the utility model discloses an embodiment, wherein, the window lid is provided with the rubber pad for ensure window lid mounted position's leakproofness.
According to the utility model discloses an embodiment, wherein, exhaust duct's lower port has predetermined distance with the liquid level of filtrating.
According to the utility model discloses an embodiment, wherein, admission line and exhaust duct respectively with filter the container welding.
In another aspect, the present invention further provides a system for filtering alkali vapor of a metal fuel cell, comprising: a metal fuel cell stack; and a metal fuel cell alkali vapor filtration device as in any one of the above; the air outlet port of the metal fuel cell group is connected with the air inlet pipeline of the metal fuel cell alkali vapor filtering device through an air pump.
According to the above technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses an adopt the filtrate in the filterable device of metal fuel cell alkali steam, dissolve or the alkaline composition among the mist that discharges during with metal fuel cell operation, the non-alkaline gas of discharge eliminates alkaline gas to the indoor influence that article corrodes on every side.
(2) The utility model discloses an air pump that metal fuel cell alkali vapor filterable device is connected, the mist that produces when extracting metal fuel cell operation can effectively reduce the inside atmospheric pressure of metal fuel cell, makes the inside liquid circulation of metal fuel cell remain stable, maintains battery system's stability to a certain extent.
Drawings
Fig. 1 schematically illustrates an overall block diagram of a metal fuel cell alkali vapor filtration apparatus according to an embodiment of the present invention;
figure 2 schematically illustrates an internal cross-sectional view of a metal fuel cell alkali vapor filtration apparatus according to an embodiment of the present invention;
fig. 3 schematically shows a schematic structural diagram of a system for alkali vapor filtration in a metal fuel cell according to an embodiment of the present invention.
[ description of reference ]:
an alkali vapor filtration device 1; an air pump 2; a metal fuel cell stack 3; a container 11; an air intake duct 12; an exhaust duct 13; a liquid injection window 14; the battery system exhaust duct 31; mounting holes 110; a through-hole 120; a window cover 140.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the drawings and examples described herein are provided to provide a further understanding of the invention, constitute a part of this application, and do not constitute an undue limitation on the invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In one aspect, the present invention provides a metal fuel cell alkali vapor filtration device. Fig. 1 schematically shows an overall structure of an apparatus for alkali vapor filtration of a metal fuel cell according to an embodiment of the present invention.
As shown in fig. 1, the device 1 for filtering alkali vapor of metal fuel cell provided by the present invention comprises a filtering container 11, an air inlet pipe 12, an air outlet pipe 13 and a liquid injection window 14. The filtering container 11 is used for storing filtering liquid, and an air inlet pipeline 12, an air outlet pipeline 13 and a liquid injection window 14 are respectively arranged on the filtering container 11.
According to the utility model discloses an embodiment, inlet duct 12 stretches into to the inside of filtering container 11, and stretches into to the position of the inside of filtering container 11 and be close to the bottom of filtering container 11 as far as possible, but not contact with the bottom of filtering container 11. The gas inlet pipe 12 is used for introducing a mixed gas containing alkali vapor generated during the operation of the metal fuel cell into the inside of the filter container 11.
According to the utility model discloses an embodiment, the end of admission line 12 is provided with a plurality of through-holes 120 for the mist that contains alkali steam that produces when moving metal fuel cell is leading-in to the filtrate, the filtrate is the clear water or one of acid solution two kinds, and the filtrate need not to cross the through-hole 120 that sets up on the admission line 12, and in some embodiments, acid solution can be acid solution such as oxalic acid, hydrochloric acid, citric acid.
According to the embodiment of the present invention, the longer the distance between the liquid level of the filtrate and the through hole 120 at the end of the air intake pipe 12, the better the effect of the filtrate on dissolving or neutralizing the alkaline component in the mixed gas.
According to the embodiment of the present invention, the air inlet pipe 12 and the air outlet pipe 13 may be disposed on the same surface of the filtering container 11, and the same surface may include the top surface and/or the side surface of the filtering container 11.
According to the utility model discloses an embodiment, exhaust duct 13 is used for discharging by the non-alkaline gas after the filtering liquid is handled, exhaust duct 13's lower port can set up and stretch into to flush with filtering container 11's top surface and/or side, also can stretch into to filtering container 11's inside, the liquid level that only needs to guarantee the filtering liquid keeps in exhaust duct 13's below, and make exhaust duct 13 and the liquid level of filtering liquid keep one section distance, guarantee that the non-alkaline gas after dissolving or neutralizing can discharge through exhaust duct 13.
According to the utility model discloses an embodiment, annotate liquid window 14 and set up the top position at filtering container 11 for as the opening and the observation window of pouring into the filtrate, conveniently observe filtering container 11's inside.
Figure 2 schematically illustrates an internal cross-sectional view of a metal fuel cell alkali vapor filtration device in accordance with an embodiment of the present invention.
As can be seen from fig. 2, the two ends of the bottom of the filtering container 11 are respectively provided with a plurality of mounting holes 110 for fixing the filtering container 11; the liquid injection window 14 is provided with a window cover 140, and a transparent organic plastic plate can be used as the material of the window cover. In some embodiments, a rubber gasket is added between the window cover 140 and the filter container 11 to ensure the sealing performance of the window cover installation position.
According to the utility model discloses an embodiment, filter container 11 adopts stainless steel material, and the sealed container that the panel beating welding formed, its is guaranteed to the welding department sealed. The air inlet pipeline 12 and the air outlet pipeline 13 are respectively made of stainless steel pipes, and are respectively welded with the filtering container 11, and the sealing of the welding position is ensured.
According to the utility model discloses an embodiment, through the filtrate in the device that adopts metal fuel cell alkali vapor filtering, dissolve or neutralize the alkaline composition that contains in the mixed gas that the metal fuel cell operation produced, the non-alkaline gas of discharge eliminates alkaline gas to the influence of indoor surrounding article corruption.
On the other hand, the utility model also provides a system for metal fuel cell alkali vapor filters. Fig. 3 schematically shows a schematic structural diagram of a system for alkali vapor filtration in a metal fuel cell according to an embodiment of the present invention.
As shown in fig. 3, the present invention provides a system for filtering alkali vapor of metal fuel cell, which comprises a metal fuel cell set 3 and a device for filtering alkali vapor of metal fuel cell as mentioned above.
According to the utility model discloses an embodiment, metal fuel cell group 3's outside is provided with battery system exhaust pipe 31, and battery system exhaust pipe 31 is connected with inlet line 12 in the filterable device 1 of metal fuel cell alkali vapour through air pump 2 to take out the mist that produces when moving metal fuel cell group 3 and lead to in filtering container 11.
According to the utility model discloses an embodiment, through the air pump that adopts the filterable device of metal fuel cell alkali vapor to connect, the inside mist of extraction metal fuel cell can effectively reduce the inside atmospheric pressure of metal fuel cell, makes the inside liquid circulation of metal fuel cell remain stable, maintains battery system's stability to a certain extent.
The metal fuel cell alkaline vapor filtration device of the present invention will be further specifically described below with reference to the above description of fig. 1 to 3, and an "aluminum air cell" is used as a specific embodiment of the metal fuel cell stack, but the scope of the present invention is not limited thereto, and any cell structure that can be adopted as described herein is within the scope of the present invention.
Referring to fig. 1 to 3, the device 1 for filtering alkali vapor of metal fuel cell according to the embodiment of the present invention is connected to an exhaust pipe 31 of an aluminum-air cell system through an air pump 2, wherein the exhaust pipe 31 of the aluminum-air cell system is connected to an electrolyte storage tank in the cell system. When the aluminum-air battery operates, the temperature of the electrolyte is gradually increased along with the chemical reaction, water vapor with alkaline components is generated in the electrolyte tank, meanwhile, the aluminum electrode is corroded by itself to continuously generate hydrogen, and the mixed gas is gathered in the electrolyte tank. The gas pump 2 pumps out the mixed gas containing alkaline components in the electrolytic tank through a battery system exhaust pipeline 31 communicated with the electrolytic tank, and then the mixed gas passes through the air inlet pipeline 12 in the device 1 for filtering the alkali vapor of the metal fuel cell, the mixed gas can be respectively led into the filtrate in the filtering container 11 through a through hole 120 at the tail end of the air inlet pipeline 12 and the bottom of the air inlet pipeline 12, the mixed gas overflows from the filtrate through the dissolution or neutralization of the filtrate, and the non-alkaline gas is discharged through the exhaust pipeline 13.
According to the embodiment of the utility model, through adopting filterable device of metal fuel cell alkali steam and system, solve the alkali steam that metal fuel cell produced under higher temperature and do not handle and directly discharge the problem that can influence the environment, can utilize the filtrate among the filter equipment, make the metal fuel cell discharge non-alkaline gas after alkaline composition dissolves or neutralizes in the mist that discharges during operation, can effectively reduce the inside atmospheric pressure of metal fuel cell through the air pump rather than being connected simultaneously, make the inside liquid circulation of metal fuel cell remain stable, maintain battery system's stability to a certain extent.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An apparatus for alkali vapor filtration in a metal fuel cell, comprising:
the filter comprises a filter container (11), an air inlet pipeline (12), an air outlet pipeline (13) and a liquid injection window (14);
wherein the air inlet pipeline (12), the exhaust pipeline (13) and the liquid injection window (14) are respectively arranged on the filtering container (11);
the filtering container (11) is used for storing filtering liquid;
the gas inlet pipeline (12) extends into the filtering container (11) and is used for introducing mixed gas containing alkali steam generated during the operation of the metal fuel cell into the filtering container (11);
the exhaust pipeline (13) is used for discharging gas treated by the filtering liquid;
the liquid injection window (14) is used as an opening for injecting the filtering liquid and an observation window.
2. The metal fuel cell alkali vapor filtration device of claim 1, wherein the bottom of the filtration container (11) is provided with a plurality of mounting holes (110) at both ends thereof for fixing the filtration container (11).
3. The metal fuel cell alkali vapor filtration device according to claim 1, wherein the gas inlet pipe (12) is connected with a gas outlet port of the metal fuel cell stack (3) through a gas pump (2) so as to draw out a mixed gas generated during the operation of the metal fuel cell stack (3) and introduce the mixed gas into the filtration container (11).
4. The metal fuel cell alkali vapor filtration device of claim 3, wherein the end of the gas inlet conduit (12) is provided with a plurality of through holes (120) for introducing the mixed gas into the filtrate.
5. The metal fuel cell alkaline vapor filtration device of claim 4, wherein the filtrate comprises clear water or an acidic solution; the filtering liquid needs to be submerged in a through hole (120) arranged on the air inlet pipeline (12).
6. The metal fuel cell alkaline vapor filtration device of claim 1, wherein a window cover (140) is disposed over the liquid injection window (14).
7. The metal fuel cell alkali vapor filtration device of claim 6, wherein a rubber gasket is disposed between the window cover (140) and the filtration vessel for ensuring the sealing property of the installation position of the window cover (140).
8. The metal fuel cell alkaline vapor filtration device of claim 1, wherein the lower port of the vent conduit (13) is a predetermined distance from the level of the filtrate.
9. The metal fuel cell alkali vapor filtration device of claim 1, wherein the inlet conduit (12) and the outlet conduit (13) are each welded to the filter vessel (11).
10. A system for alkali vapor filtration in a metal fuel cell, comprising:
a metal fuel cell stack; and
the metal fuel cell alkaline vapor filtration device of any one of claims 1 to 9;
the air outlet port of the metal fuel cell stack is connected with the air inlet pipeline (12) of the metal fuel cell alkali vapor filtering device through an air pump (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557904.8U CN213959001U (en) | 2020-11-06 | 2020-11-06 | Device and system for filtering alkali vapor of metal fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022557904.8U CN213959001U (en) | 2020-11-06 | 2020-11-06 | Device and system for filtering alkali vapor of metal fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213959001U true CN213959001U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022557904.8U Active CN213959001U (en) | 2020-11-06 | 2020-11-06 | Device and system for filtering alkali vapor of metal fuel cell |
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| Country | Link |
|---|---|
| CN (1) | CN213959001U (en) |
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- 2020-11-06 CN CN202022557904.8U patent/CN213959001U/en active Active
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