CN220086107U - Tail row device for testing fuel cell for preventing hydrogen from escaping - Google Patents
Tail row device for testing fuel cell for preventing hydrogen from escaping Download PDFInfo
- Publication number
- CN220086107U CN220086107U CN202320292928.6U CN202320292928U CN220086107U CN 220086107 U CN220086107 U CN 220086107U CN 202320292928 U CN202320292928 U CN 202320292928U CN 220086107 U CN220086107 U CN 220086107U
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- pipe
- water outlet
- testing
- preventing hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000001257 hydrogen Substances 0.000 title claims abstract description 29
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 29
- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000007667 floating Methods 0.000 claims abstract description 21
- 238000009833 condensation Methods 0.000 claims abstract description 10
- 230000005494 condensation Effects 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect 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
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a tail row device for testing a fuel cell for preventing hydrogen from escaping, which comprises the following components: the T-shaped pipe comprises a vertical pipe and a horizontal pipe, and the right end of the horizontal pipe is communicated with the middle part of the vertical pipe; the gas overflow preventing mechanism comprises a condensation water tank arranged at the middle part of the lower end of the vertical pipe, a water outlet is formed in the bottom part of the condensation water tank in a communicated mode, a water outlet pipe is arranged at the lower end of the water outlet, and a floating ball is arranged at the inner bottom of the condensation water tank. The device is provided with the floater in the use to prevent the hydrogen escape in the tail calandria to indoor, guarantee the safety in production, test, the experimentation.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a tail row device for testing a fuel cell for preventing hydrogen from escaping.
Background
The hydrogen energy is an efficient clean energy source, has the advantages of abundant reserves, high heat value, zero pollution, storability, wide sources and the like, and has important significance in developing the hydrogen energy industry to construct a clean low-carbon, safe and efficient modern energy system, realize a double-carbon target and promote the development of high quality of the economic society. The fuel cell directly generates electric energy by utilizing hydrogen and oxygen through electrochemical reaction under the action of a catalyst, is a clean and efficient energy conversion technology, mainly comprises water vapor and air at the tail of the fuel cell, and has no pollution in emission compared with the traditional internal combustion engine;
however, in the research and development testing process of the fuel cell, the condition that the reaction of the hydrogen and the oxygen is insufficient can occur, so that a great amount of hydrogen is contained in the tail pipe, and when the emission amount is large, the hydrogen can escape into a room along the pipe holes below the tail pipe, thereby causing potential safety hazard. A tail exhaust device for fuel cell test solves the problem that hydrogen can escape indoors along a drain pipe below the tail exhaust pipe in the research and development test process of a fuel cell, so that potential safety hazards of explosion are caused.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a tail gas exhaust device for testing a fuel cell for preventing hydrogen from escaping.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the tail row device for the fuel cell test for preventing hydrogen from escaping comprises a T-shaped pipe, wherein the T-shaped pipe comprises a vertical pipe and a horizontal pipe, and the right end of the horizontal pipe is communicated with the middle part of the vertical pipe; the gas overflow preventing mechanism comprises a condensation water tank arranged at the middle part of the lower end of the vertical pipe, a water outlet is formed in the bottom part of the condensation water tank in a communicated mode, a water outlet pipe is arranged at the lower end of the water outlet, and a floating ball is arranged at the inner bottom of the condensation water tank.
Preferably, the inner bottom surface of the condensed water tank is an arc surface attached to the bottom of the floating ball.
Preferably, the transverse tube is made of a temperature-conducting material.
Preferably, a condensing heat exchanger is installed at the outer side of the transverse pipe.
Preferably, a flame arrestor is mounted in the upper middle part of the riser.
Preferably, an umbrella-shaped hood is arranged at the upper end of the vertical pipe.
Preferably, a first access port and a second access port are provided on the right side of the standpipe.
Preferably, the first access opening is located below the condensate sump, and the second access opening is located above the condensate sump.
Preferably, the lower end of the floating ball is fixedly connected with a guide rod, and the lower end of the guide rod penetrates through the water outlet and extends into the water outlet pipe.
Preferably, the guide rod adopts a cylindrical structure, and the apertures of the water outlet and the water outlet pipe are both larger than the radius of the guide rod.
The utility model has the following beneficial effects:
when the condensate water is collected, the buoyancy of the water does not exceed the gravity of the floating ball, the water can gather in the condensate water tank to achieve the water sealing effect, when the water quantity in the condensate water tank is increased, the floating ball moves upwards when the buoyancy of the water is greater than the gravity of the floating ball, the water can be rapidly discharged, at the moment, the hydrogen is still in the pipeline, after the water is discharged, the buoyancy of the water to the floating ball descends, the floating ball rapidly moves downwards, the water outlet is closed again, the use safety of the device is guaranteed, in addition, through the arrangement of the guide rod, the floating ball can only move up and down when moving, the floating ball can only move rapidly in the up-down direction, and therefore the sealing speed is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a tail gas exhaust device for testing a fuel cell for preventing hydrogen from escaping;
FIG. 2 is an enlarged view at A of FIG. 1;
fig. 3 is a schematic diagram of embodiment 2 of the present utility model.
In the figure: the device comprises a transverse pipe 1, a vertical pipe 2, a flame arrester 3, an umbrella-shaped hood 4, a condensation water tank 5, a first overhaul port 6, a water outlet 7, a floating ball 8, a guide rod 9, a second overhaul port 10, a condensation heat exchanger 11 and a water outlet pipe 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-2, a tail row device for testing a fuel cell for preventing hydrogen from escaping comprises a T-shaped pipe, wherein the T-shaped pipe comprises a vertical standpipe 2 and a horizontal pipe 1, the right end of the horizontal pipe 1 is communicated with the middle part of the standpipe 2, the horizontal pipe 1 is made of a temperature-conducting material, a condensing heat exchanger 11 is arranged on the outer side of the horizontal pipe 1, and the condensing heat exchanger 11 can realize the effect of quickly condensing water vapor;
wherein, flame arrester 3 is installed to upper portion in the upper half of standpipe 2, and flame arrester 3 is used for preventing that hydrogen from encountering circumstances explosions such as open flame, static, thunderbolt, and flame arrester 3 can be configured to have steam or water heat tracing device, solves that vapor will block flame arrester microporous structure and the icing condition can appear in winter in north, blocks the problem of tail calandria. The problem of potential safety hazards that the concentration of hydrogen is higher than the explosion lower limit is solved, an umbrella-shaped blast cap 4 is arranged at the upper end of a vertical pipe 2, a first overhaul port 6 and a second overhaul port 10 are arranged on the right side of the vertical pipe 2, the first overhaul port 6 is positioned below a condensate tank 5, the second overhaul port 10 is positioned above the condensate tank 5, the first overhaul port 6 is used for subsequently maintaining a drain pipe 12, the second overhaul port 10 is used for maintaining structures such as a floating ball 8, and sealing elements are arranged on the first overhaul port 6 and the second overhaul port 10 in actual use and are used for guaranteeing the tightness of the sealing elements;
the device further comprises a gas overflow preventing mechanism, the gas overflow preventing mechanism comprises a condensate tank 5 arranged at the middle part of the lower end of the vertical pipe 2, a water outlet 7 is arranged at the bottom part of the condensate tank 5 in a communicated mode, a water outlet pipe 12 is arranged at the lower end of the water outlet 7, a floating ball 8 is arranged at the inner bottom part of the condensate tank 5, the inner bottom surface of the condensate tank 5 is an arc surface attached to the bottom of the floating ball 8, and the sealing performance after the end of subsequent drainage can be further guaranteed through the arc surface.
The left end and the exhaust emission pipe intercommunication of violently managing 1, after the start-up through condensation heat exchanger 11 in the testing process, the comdenstion water flows into condensate tank 5 along standpipe 2, at the beginning, the buoyancy of water does not surpass the gravity of floater 8, water can gather in condensate tank 5, reach the effect of water seal, prevent that hydrogen from escaping indoor along outlet pipe 12, when the volume of water increases in condensate tank 5, buoyancy of water is greater than the gravity of floater 8, floater 8 upward movement, the hydroenergy discharges rapidly, hydrogen still in the pipeline this moment, after the water discharges, the buoyancy of water to floater 8 descends, floater 8 moves down rapidly, it seals the outlet again, the security of device use has been guaranteed.
Example 2
Referring to fig. 3, the difference between this embodiment and embodiment 1 is that the lower end of the floating ball 8 is fixedly connected with a guide rod 9, the lower end of the guide rod 9 penetrates through the water outlet 7 and extends into the water outlet pipe 12, the guide rod 9 adopts a cylindrical structure, the diameters of the water outlet 7 and the water outlet pipe 12 are both larger than the radius of the guide rod 9, and the guide rod 9 is made of hollow lightweight material.
In a specific use process, through the arrangement of the guide rod 9, the floating ball 8 can only move up and down when moving, so that the floating ball 8 can only move rapidly in the up-down direction, and the sealing speed is ensured.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (8)
1. Tail row device for preventing hydrogen escape fuel cell test, characterized by comprising:
the T-shaped pipe comprises a vertical standpipe (2) and a horizontal transverse pipe (1), wherein the right end of the transverse pipe (1) is communicated with the middle part of the standpipe (2);
the gas overflow preventing mechanism comprises a condensate tank (5) arranged at the middle part of the lower end of the vertical pipe (2), a water outlet (7) is communicated with the bottom part of the condensate tank (5), a water outlet pipe (12) is arranged at the lower end of the water outlet (7), and a floating ball (8) is arranged at the inner bottom part of the condensate tank (5);
the right side of standpipe (2) is provided with first access hole (6) and second access hole (10), first access hole (6) are located the below of condensate trough (5), second access hole (10) are located the top of condensate trough (5).
2. The tail row device for testing the fuel cell for preventing hydrogen from escaping according to claim 1, wherein the inner bottom surface of the condensation water tank (5) is an arc surface attached to the bottom of the floating ball (8).
3. The tail row device for testing the fuel cell for preventing hydrogen from escaping according to claim 1, wherein the transverse tube (1) is made of a heat conducting material.
4. The tail gas exhaust device for testing the fuel cell capable of preventing hydrogen from escaping according to claim 2, wherein a condensing heat exchanger (11) is arranged on the outer side of the transverse tube (1).
5. The tail gas exhaust device for testing a fuel cell for preventing hydrogen from escaping according to claim 1, wherein a flame arrester (3) is arranged at the middle upper part of the upper half part of the vertical pipe (2).
6. The tail row device for testing the fuel cell for preventing hydrogen from escaping according to claim 1, wherein an umbrella-shaped hood (4) is arranged at the upper end of the vertical tube (2).
7. The tail row device for testing the fuel cell capable of preventing hydrogen from escaping according to claim 1, wherein a guide rod (9) is fixedly connected to the lower end of the floating ball (8), and the lower end of the guide rod (9) penetrates through the water outlet (7) and extends into the water outlet pipe (12).
8. The tail row device for testing the fuel cell capable of preventing hydrogen from escaping according to claim 7, wherein the guide rod (9) adopts a cylindrical structure, and the apertures of the water outlet (7) and the water outlet pipe (12) are larger than the radius of the guide rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292928.6U CN220086107U (en) | 2023-02-23 | 2023-02-23 | Tail row device for testing fuel cell for preventing hydrogen from escaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292928.6U CN220086107U (en) | 2023-02-23 | 2023-02-23 | Tail row device for testing fuel cell for preventing hydrogen from escaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220086107U true CN220086107U (en) | 2023-11-24 |
Family
ID=88832630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320292928.6U Active CN220086107U (en) | 2023-02-23 | 2023-02-23 | Tail row device for testing fuel cell for preventing hydrogen from escaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220086107U (en) |
-
2023
- 2023-02-23 CN CN202320292928.6U patent/CN220086107U/en active Active
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