CN211045603U - Tail gas discharging device for fuel cell system - Google Patents
Tail gas discharging device for fuel cell system Download PDFInfo
- Publication number
- CN211045603U CN211045603U CN201921614558.3U CN201921614558U CN211045603U CN 211045603 U CN211045603 U CN 211045603U CN 201921614558 U CN201921614558 U CN 201921614558U CN 211045603 U CN211045603 U CN 211045603U
- Authority
- CN
- China
- Prior art keywords
- gas inlet
- inlet pipe
- tail gas
- buffer tank
- fuel cell
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 238000007599 discharging Methods 0.000 title abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 97
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- 238000010926 purge Methods 0.000 claims abstract description 16
- 230000003584 silencer Effects 0.000 claims abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 230000002000 scavenging effect Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- Fuel Cell (AREA)
Abstract
The utility model discloses a tail gas discharging equipment for fuel cell system, include: the device comprises a cathode tail gas inlet pipe, a throttle valve, a buffer tank, an anode tail gas inlet pipe, a purge gas inlet pipe and an exhaust silencer, wherein the cathode tail gas inlet pipe is communicated with the buffer tank through the throttle valve; the anode tail gas inlet pipe and the purge gas inlet pipe are positioned on one side of the buffer tank and are vertical to the direction of the gas inlet of the cathode tail gas inlet pipe; the buffer tank is connected with the exhaust muffler for the one end of air throttle, the utility model discloses the product can realize the integration of negative and positive pole blast pipe, purge gas blast pipe, negative pole air throttle and exhaust muffler to increase gas buffering, integrated hydrogen concentration sensor, in order to reduce the system volume, improve and discharge safety, reduce and discharge the noise.
Description
Technical Field
The utility model relates to a fuel cell field especially relates to a tail gas discharging equipment for fuel cell system.
Background
As one of the important development directions of new energy vehicles, fuel cell vehicles are increasingly paid more attention to because of their advantages of zero emission, renewable raw materials, and the like. The tail gas exhaust device of the fuel cell system is a device for discharging part of raw material gas, inert gas and water vapor which are not reacted by the fuel cell to the outside of the system. Because the fuel cell mostly adopts hydrogen as fuel, the tail gas contains a certain amount of hydrogen components; meanwhile, certain noise is generated when gas is discharged through a pipeline, so that the design quality of the tail gas discharge device of the fuel cell system directly influences the safety of the tail gas discharge of the fuel cell automobile and noise pollution. At present, the tail gas emission of a fuel cell generally directly connects anode tail gas and cathode tail gas with an exhaust pipeline, a buffer device is not arranged, and a certain back pressure is generated when the cathode and the anode are simultaneously emitted, so that the exhaust effect is influenced; the integration level of the cathode side gas saving device and the exhaust pipeline is not high, and the whole discharge device has larger volume; meanwhile, the purging gas exhaust pipe of the fuel cell stack and the hydrogen concentration detection are not integrated, so that the system is not favorable for discharging safety. Therefore, there is a need for a tail gas exhaust device of a fuel cell system, which can integrate an anode and cathode exhaust pipe, a purge gas exhaust pipe, a cathode throttle valve and an exhaust muffler, increase gas buffering, and integrate a hydrogen concentration sensor, so as to reduce the volume of the system, improve the exhaust safety, and reduce the exhaust noise.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a tail gas discharging equipment for fuel cell system, can solve the relevant problem in the background art.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a tail gas discharge device for a fuel cell system, comprising: the device comprises a cathode tail gas inlet pipe 1, a throttle valve 2, a buffer tank 3, an anode tail gas inlet pipe 4, a scavenging gas inlet pipe 5 and an exhaust silencer 6, wherein the cathode tail gas inlet pipe 1 is communicated with the buffer tank 3 through the throttle valve 2; the anode tail gas inlet pipe 4 and the purge gas inlet pipe 5 are positioned on one side of the buffer tank 3 and are vertical to the direction of the gas inlet of the cathode tail gas inlet pipe 1; an exhaust muffler 6 is connected to one end of the surge tank 3 opposite to the throttle valve 2.
Preferably, the cross-sectional shape of the buffer tank 3 is rectangular, cylindrical or truncated cone.
Preferably, the anode tail gas inlet pipe 4 and the purge gas inlet pipe 5 are L-shaped pipes, and the outlets of the pipes are positioned in the buffer tank 3.
Preferably, one side of the buffer tank 3 is provided with a hydrogen concentration sensor 7 and a temperature sensor 8, and the hydrogen concentration sensor 7 is positioned at the front end of the anode tail gas inlet pipe 4.
Preferably, a U-shaped hydrophobic filter screen 9 is arranged inside the buffer tank 3, and the hydrogen concentration sensor 7 is positioned in the hydrophobic filter screen 9.
Preferably, the exhaust muffler 6 is in the form of a resistive muffler, an impedance compound muffler.
The utility model has the advantages that:
1. this device is integrated through buffer tank with negative pole tail gas intake pipe, throttle valve, positive pole tail gas intake pipe, purge gas intake pipe and exhaust muffler, not only reduces the system volume, increases system power density, adopts buffer tank to dilute hydrogen moreover, further ensures the emission security.
2. The sweep gas inlet pipe and the anode tail gas inlet pipe adopt 'L' pipelines to ensure that the exhaust direction is consistent with the cathode gas, reduce the interference of gas backpressure and be beneficial to the stability of exhaust.
3. And a hydrogen concentration sensor is added to detect the concentration of the discharged hydrogen in real time, so that the discharge safety is guaranteed.
4. And an integrated exhaust silencer reduces exhaust noise pollution.
Drawings
Fig. 1 is a schematic structural view in embodiment 1 of the present invention.
Fig. 2 is a schematic view of the internal structure in embodiment 1 of the present invention.
Fig. 3 is a schematic structural view in embodiment 2 of the present invention.
Fig. 4 is a schematic view of the internal structure of embodiment 2 of the present invention.
In the figure: 1. a cathode tail gas inlet pipe; 2. a throttle valve; 3. a buffer tank; 4. an anode tail gas inlet pipe; 5. A purge gas inlet pipe; 6. an exhaust muffler; 7. a hydrogen concentration sensor; 8. a temperature sensor; 9. a hydrophobic filter screen.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1-4, an embodiment of the present invention includes:
example 1:
a tail gas discharge device for a fuel cell system is characterized by comprising a cathode tail gas inlet pipe 1, a throttle valve 2, a buffer tank 3, an anode tail gas inlet pipe 4, a purge gas inlet pipe 5 and an exhaust silencer 6, wherein the cathode tail gas inlet pipe 1 is communicated with the buffer tank 3 through the throttle valve 2, the anode tail gas inlet pipe 4 and the purge gas inlet pipe 5 are located on one side of the buffer tank 3 and are perpendicular to the direction of an air inlet of the cathode tail gas inlet pipe 1, one end, opposite to the throttle valve 2, of the buffer tank 3 is connected with the exhaust silencer 6, the cross section of the buffer tank 3 is rectangular, the anode tail gas inlet pipe 4 and the purge gas inlet pipe 5 are L-shaped pipelines, outlets of the anode tail gas inlet pipe 4 and the purge gas inlet pipe are located in the buffer tank 3, in actual design, the flowing direction of anode tail gas and the purge gas is consistent with the direction of the cathode tail gas, a hydrogen concentration sensor 7 and a temperature sensor 8 are arranged on one side of the buffer tank 3, the hydrogen concentration sensor 7 is located at the front end of the outlet of the anode tail gas inlet pipe 4, a U-shaped hydrophobic filter screen 9 is arranged in the hydrophobic filter.
Example 2:
a tail gas discharging device for a fuel cell system is characterized by comprising a cathode tail gas inlet pipe 1, a throttle valve 2, a buffer tank 3, an anode tail gas inlet pipe 4, a scavenging gas inlet pipe 5 and an exhaust silencer 6, wherein the cathode tail gas inlet pipe 1 is communicated with the buffer tank 3 through the throttle valve 2, the anode tail gas inlet pipe 4 and the scavenging gas inlet pipe 5 are located on one side of the buffer tank 3 and are perpendicular to the direction of an air inlet of the cathode tail gas inlet pipe 1, one end, opposite to the throttle valve 2, of the buffer tank 3 is connected with the exhaust silencer 6, the cross section of the buffer tank 3 is cylindrical, the anode tail gas inlet pipe 4 and the scavenging gas inlet pipe 5 are L-shaped pipelines, outlets of the anode tail gas inlet pipe 4 and the scavenging gas inlet pipe are located in the buffer tank 3, the flowing directions of the anode tail gas and the scavenging gas are consistent with the direction of the cathode tail gas in.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. An exhaust gas discharge device for a fuel cell system, comprising: the device comprises a cathode tail gas inlet pipe (1), a throttle valve (2), a buffer tank (3), an anode tail gas inlet pipe (4), a scavenging gas inlet pipe (5) and an exhaust silencer (6), wherein the cathode tail gas inlet pipe (1) is communicated with the buffer tank (3) through the throttle valve (2); the anode tail gas inlet pipe (4) and the purge gas inlet pipe (5) are positioned on one side of the buffer tank (3) and are vertical to the direction of the gas inlet of the cathode tail gas inlet pipe (1); and one end of the buffer tank (3) opposite to the throttle valve (2) is connected with an exhaust silencer (6).
2. The exhaust gas discharge device for a fuel cell system according to claim 1, characterized in that: the cross section of the buffer tank (3) is rectangular, cylindrical or truncated cone.
3. The exhaust emission device for the fuel cell system as set forth in claim 1, wherein the anode exhaust gas inlet pipe (4) and the purge gas inlet pipe (5) are L-shaped pipes, and the outlets thereof are located in the buffer tank (3).
4. The exhaust gas discharge device for a fuel cell system according to claim 1, characterized in that: one side of buffer tank (3) is equipped with hydrogen concentration sensor (7), temperature sensor (8), hydrogen concentration sensor (7) are located anode tail gas intake pipe (4) exit front end.
5. The exhaust gas discharge device for a fuel cell system according to claim 4, wherein: the buffer tank (3) is internally provided with a U-shaped hydrophobic filter screen (9), and the hydrogen concentration sensor (7) is positioned in the hydrophobic filter screen (9).
6. The exhaust gas discharge device for a fuel cell system according to claim 1, characterized in that: the exhaust silencer (6) is in the form of a resistive silencer, a resistive silencer and an impedance composite silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614558.3U CN211045603U (en) | 2019-09-26 | 2019-09-26 | Tail gas discharging device for fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614558.3U CN211045603U (en) | 2019-09-26 | 2019-09-26 | Tail gas discharging device for fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045603U true CN211045603U (en) | 2020-07-17 |
Family
ID=71536515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614558.3U Active CN211045603U (en) | 2019-09-26 | 2019-09-26 | Tail gas discharging device for fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675449A (en) * | 2021-08-09 | 2021-11-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Tail gas discharging device of hydrogen fuel cell engine |
-
2019
- 2019-09-26 CN CN201921614558.3U patent/CN211045603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675449A (en) * | 2021-08-09 | 2021-11-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Tail gas discharging device of hydrogen fuel cell engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211045603U (en) | Tail gas discharging device for fuel cell system | |
| CN103137993A (en) | Device for lowering peak concentration of exhaust hydrogen of fuel battery system | |
| CN115986176A (en) | Water-gas separation and discharge device for hydrogen fuel cell of rail transit vehicle and control method | |
| CN102996289A (en) | Supercharged diesel engine system based on EGR (exhaust gas recirculation) high pressure chamber | |
| CN102588132A (en) | Air-fuel ratio control system of gas engine | |
| CN103016109A (en) | Automobile exhaust purifier | |
| CN202441501U (en) | Air-fuel ratio control system for gas engine | |
| CN202991193U (en) | Automobile exhaust purifier | |
| CN214012985U (en) | Fuel cell cathode gas-liquid separation device | |
| CN106285885B (en) | A kind of pressurized exhaust gas tail pipe based on multiple Venturi tube | |
| CN201884862U (en) | Pipeline rain shield | |
| CN108169690A (en) | A kind of fuel battery engines mechanism for testing | |
| CN211549818U (en) | Exhaust gas injection device installed on silencer and excavator | |
| CN207501728U (en) | A kind of air inlet used for cooling tower, air outlet silencing means | |
| CN102454489A (en) | Air rectifying device, and air inlet system for engine | |
| CN110761873A (en) | Reduce diesel engine tail gas particle number discharging equipment | |
| CN218485535U (en) | Inlet distribution structure of hydrogen separator | |
| CN202732070U (en) | Connection structure of bend pipe and exhaust pipe in exhaust pipe inflow-prevention device | |
| CN214672707U (en) | Tail bar confluence device of hydrogen fuel cell engine | |
| CN219591447U (en) | Fuel cell tail exhaust pipeline system, vehicle and fuel cell test system | |
| CN209875338U (en) | Segmented suction type emission reduction carrying device for gasoline engine | |
| CN220567087U (en) | High-pressure hydrogen pressure reducing valve group | |
| CN221094161U (en) | Methane combustion tempering prevention device | |
| CN218441804U (en) | Hydrogen tail waste pressurization recycling system | |
| CN220963409U (en) | Busbar structure of fuel cell system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An exhaust emission device for fuel cell systems Effective date of registration: 20230324 Granted publication date: 20200717 Pledgee: China Construction Bank Corporation Dalian Jinpu New Area Branch Pledgor: Mingyuan Technology (Dalian) Co.,Ltd. Registration number: Y2023980036079 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230420 Granted publication date: 20200717 Pledgee: China Construction Bank Corporation Dalian Jinpu New Area Branch Pledgor: Mingyuan Technology (Dalian) Co.,Ltd. Registration number: Y2023980036079 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An exhaust emission device for fuel cell systems Effective date of registration: 20230505 Granted publication date: 20200717 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: Mingyuan Technology (Dalian) Co.,Ltd. Registration number: Y2023980039844 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200717 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: Mingyuan Technology (Dalian) Co.,Ltd. Registration number: Y2023980039844 |