CN208489293U - Hydrogen fuel cell system - Google Patents
Hydrogen fuel cell system Download PDFInfo
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- CN208489293U CN208489293U CN201820904862.0U CN201820904862U CN208489293U CN 208489293 U CN208489293 U CN 208489293U CN 201820904862 U CN201820904862 U CN 201820904862U CN 208489293 U CN208489293 U CN 208489293U
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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
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Abstract
The utility model discloses a kind of hydrogen fuel cell system, the hydrogen fuel cell system includes: fuel cell pile；Fuel system, the fuel system are connected with the anode inlet of the fuel cell pile；Oxidant supply system, the oxidant supply system are connected with the cathode inlet of the fuel cell pile；Fuel cell pile is recycled, the cathode inlet for recycling fuel cell pile is connected with the cathode outlet of the fuel cell pile；Reconstruction of End Gas Separator, the anode export of the fuel cell pile are connected with the entrance of the Reconstruction of End Gas Separator, and the air supply opening of the Reconstruction of End Gas Separator is connected with the anode inlet for recycling fuel cell pile.The hydrogen fuel cell system of the utility model can make full use of the cathode exhaust gas and anode exhaust of fuel cell pile, and anode exhaust recycles after separation, can extend the service life of whole system, reduces failure rate.
Description
Technical field
The utility model belongs to field of fuel cell technology, in particular to a kind of hydrogen fuel cell system.
Background technique
Hydrogen Energy is the generally acknowledged clean energy resource in the whole world, is also regarded as 21 century most potential secondary energy sources, " carbon subtracts
Under row " background, Japan and Korea S., moral, Mei Deng developed country greatly develop Hydrogen Energy industry, carry out scale demonstration and the market cultivation, Hydrogen Energy
It is strided forward to industrialization, commercialization direction.
The features such as fuel cell is because of high conversion efficiency, operating temperature is low, low noise, zero-emission, it is considered to be most have competition
The Hydrogen Energy application mode of power.The chemical energy of hydrogen is changed into electric energy by electrochemical reaction mode by fuel cell, in the energy, household
The fields such as power supply, auto industry, aerospace, portable energy source product all have extensive use, under the excitation of relevant policies,
Hydrogen fuel cell technical level and application scale are in the quickly soaring stage.
Hydrogen supplies fuel cell as high-energy fuel, and electrochemical reaction occurs in a fuel cell.To guarantee that system is steady
Fixed operation, the hydrogen gas and water and impurity that do not react completely are discharged by fuel cell exhaust outlet, on the one hand hydrogen discharge to fire
Expect the decline of battery system energy utilization efficiency, it is especially particularly evident in multimode, high-power system, on the other hand, due to hydrogen
Gas is fuel gas, and has very wide explosion limit, and big flow hydrogen discharge be easy to cause hydrogen to assemble, and it is hidden to there is safety
Suffer from.
In view of the above-mentioned problems, solving the problems, such as exhaust emissions with the following method in fuel cell system in the related technology:
1) dilute it is in line, using grossflow filtration or circulation pattern, fuel cell tail gas periodically/to continue through gas exhaust piping straight
It connects and is emitted into atmosphere, avoid security risk using atmospheric dilution；
2) recirculation mode, by the equipment of injector or hydrogen gas circulating pump, tail gas returns hydrogen after steam-water separation
Gas import is used again.
Above two mode solves the problems, such as hydrogen tail discharge to a certain extent, but grossflow filtration and circulation pattern hydrogen are directly arranged
It puts to atmosphere, gas loss amount is big, and utilization efficiency is low, and to guarantee water and impurity discharge, discharge amount is big under the conditions of power increases,
There are security risks；Using hydrogen injection or hydrogen pump, utilization rate and emission problem can be solved, but cost is inclined under the conditions of high-power
Height, and hydrogen pump stability is relatively low, is unfavorable for reducing cost and high-power long-play, for exhaust emissions and Utilizing question,
Need low cost, the design of the system of high reliability and control method.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of hydrogen fuel cell system out, the hydrogen fuel cell system can greatly improve fuel availability.
According to the hydrogen fuel cell system of the utility model embodiment, comprising: fuel cell pile；Fuel system,
The fuel system is connected with the anode inlet of the fuel cell pile；Oxidant supply system, the oxidant supply
System and the cathode inlet of the fuel cell pile is answered to be connected；Recycle fuel cell pile, the recycling fuel cell
The cathode inlet of pile is connected with the cathode outlet of the fuel cell pile；Reconstruction of End Gas Separator, the fuel cell pile
Anode export is connected with the entrance of the Reconstruction of End Gas Separator, the air supply opening of the Reconstruction of End Gas Separator and the recycling fuel cell
The anode inlet of pile is connected.
According to the hydrogen fuel cell system of the utility model embodiment, the cathode of fuel cell pile can be made full use of to arrange
Gas and anode exhaust, and anode exhaust recycles after separation, can extend the service life of whole system, reduces failure
Rate.
According to the hydrogen fuel cell system of the utility model one embodiment, the fuel cell pile include it is multiple, often
The anode inlet of a fuel cell pile passes through gas control valve and is connected with the fuel system, each combustion
The cathode inlet of material battery stack passes through oxidizer control valve and is connected with the oxidant supply system.
According to the hydrogen fuel cell system of the utility model one embodiment, multiple gas control valves are set as can be only
Vertical control opening and closing, multiple oxidizer control valves are set as can independent control opening and closing.
According to the hydrogen fuel cell system of the utility model one embodiment, the Reconstruction of End Gas Separator includes: knockout drum, institute
The entrance for stating knockout drum is connected with the anode export of the fuel cell pile, the air supply opening of the knockout drum and the recycling
The anode inlet of fuel cell pile is connected；Air inlet spray canister, the air inlet spray canister is installed in the knockout drum, and the air inlet
The open end of spray canister is connected with the entrance of the knockout drum, and the wall surface of the air inlet spray canister is equipped with multiple gas vents.
According to the hydrogen fuel cell system of the utility model one embodiment, the entrance of the knockout drum is located at the separation
The top of tank and be spaced apart with the roof of the knockout drum, the air inlet spray canister be located at the top of the knockout drum and with described point
Roof from tank is spaced apart.
According to the hydrogen fuel cell system of the utility model one embodiment, the Reconstruction of End Gas Separator further include: silk screen, institute
It states silk screen to be installed in the knockout drum, and the knockout drum is divided into upper layer cavity and lower layer's cavity, air inlet spray canister position
In the upper layer cavity.
According to the hydrogen fuel cell system of the utility model one embodiment, the Reconstruction of End Gas Separator further include: separation lattice
Grid, the separation grid is installed on lower layer's cavity, and setting is spaced apart with the bottom wall of the silk screen and the knockout drum.
According to the hydrogen fuel cell system of the utility model one embodiment, the Reconstruction of End Gas Separator includes knockout drum, institute
Stating hydrogen fuel cell system includes drain valve, and the drain valve is connected with the discharge outlet of the knockout drum, the drain valve setting
For the unlatching when the pressure of the knockout drum or nitrogen gas concn reach predetermined value.
It further include for detecting the knockout drum internal pressure according to the hydrogen fuel cell system of the utility model one embodiment
The knockout drum sensor of power and nitrogen gas concn.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the hydrogen fuel cell system of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the Reconstruction of End Gas Separator of the utility model embodiment.
Appended drawing reference:
Hydrogen-storing device 11, fuel pressure maintaining valve 12, pressure/flow regulating valve 13, fuel air sensor 14, gas control valve
15a,15b…15n；
Air compressor machine 21, air pressure maintaining valve 22, humidifier 23, air inlet sensor 24, oxidizer control valve 25a, 25b ...
25n, cathode exhaust gas sensor 26, cathode exhaust gas control valve 27, cathode outlet control valve 28,
Fuel cell pile 30a, 30b ... 30n,
Reconstruction of End Gas Separator 41, knockout drum 411, air inlet spray canister 412, silk screen 413 separate grid 414, knockout drum sensor
42, drain valve 43, anode export control valve 44,
Fuel cell pile 50 is recycled,
Processor 60.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1 description according to the hydrogen fuel cell system of the utility model embodiment.
As shown in Figure 1, according to the hydrogen fuel cell system of the utility model one embodiment include: fuel cell pile,
Fuel system, Reconstruction of End Gas Separator 41, recycles fuel cell pile 50 and control system at oxidant supply system.
Wherein, fuel cell pile can be the type fuel cells heaps such as proton exchange membrane, alkalinity or soild oxide
Group, fuel cell pile have anode inlet, cathode inlet, anode export, cathode outlet, and hydrogen enters from anode inlet, empty
For gas from cathode inlet, and after electrochemical reaction occurs for fuel cell pile, the tail gas of anode, cathode outlet is discharged in anode export
The tail gas of cathode is discharged.
Fuel system provides anodic gas for fuel cell pile, control and monitor fuel supply pressure, temperature,
The provision parameters such as flow.Fuel system is connected with the anode inlet of fuel cell pile, and fuel system is used for combustion
Expect that battery stack supplies fuel --- hydrogen, fuel system may include: hydrogen-storing device 11 and feed path, hydrogen-storing device
Anodic gas (hydrogen) is supplied to fuel cell pile by feed path by 11, hydrogen-storing device 11 can for high pressure compressed gas cylinder,
Realize hydrogen generator, the metal hydrogen storage device etc. of pressurization output.Fuel pressure maintaining valve 12, fuel pressure maintaining valve are equipped in feed path
12 for stablizing the supply gas pressure of hydrogen-storing device 11；Pressure/flow regulating valve 13, pressure/flow tune are additionally provided in feed path
Section valve 13 is used to adjust the pressure or flow of the anodic gas to fuel cell pile supply；Be additionally provided in feed path fuel into
Gas sensor 14, fuel air sensor 14 is for detecting admission pressure, flow.The hydrogen storage capability of hydrogen-storing device 11, fuel into
The monitoring signals and valve control signal of gas sensor 14 realize signal transmission with control system, monitor operating status and realize control
The real-time communication of signal processed.
Oxidant supply system is connected with the cathode inlet of fuel cell pile, and oxidant supply system is fuel cell electricity
Heap provides cathode gas, and the cathode gas of oxidant supply system supply can be air, and oxidant supply system can control
And monitor the parameters such as air supply pressure, temperature and humidity.Oxidant supply system includes air compressor machine 21, air pressure maintaining valve 22, humidification
Device 23, air inlet sensor 24, air compressor machine 21 could alternatively be blower or compressor, and air compressor machine 21 can provide satisfaction power generation and want
The air mass flow asked.Air compressor machine 21 is connected by air pressure maintaining valve 22 with humidifier 23, and humidified air is passed through air inlet
Sensor 24 is connected to fuel cell pile, and air inlet sensor 24 is for detecting the parameters such as admission pressure, temperature, flow.It is empty
The gas supply flow of press 21,24 monitoring numerical value of air inlet sensor and feed back to control system.
The anode export of fuel cell pile is connected with the entrance of Reconstruction of End Gas Separator 41, and Reconstruction of End Gas Separator 41 is by fuel cell
The oxygen exhaust collection of pile discharge simultaneously separates, the impurity such as discharge water, nitrogen, to recycle fuel cell pile 50 to provide satisfaction
The fuel of service requirement, the hydrogen of enrichment is conveyed to again recycles fuel cell pile 50 to react.
The reaction of fuel cell pile 50 is recycled to can be adapted for high humidity gas environment, tail gas is recycling fuel cell electricity
Reactivity in heap 50 is high, and a small amount of gas is discharged by the bleeder valve of intermittently starting, through Dilution air, drains into atmosphere.Tail gas point
Air supply opening from device 41 is connected with the anode inlet of fuel cell pile 50 is recycled, and recycles the cathode of fuel cell pile 50
Entrance is connected with the cathode outlet of fuel cell pile, and the exhaust that fuel cell pile may be implemented in this way recycles, and improves combustion
Expect utilization efficiency, and hydrogen content is high in the tail gas after separation, impurity is few, convenient for recycling fuel cell pile 50 to utilize, from
And the service life for recycling fuel cell pile 50 can be promoted.
Wherein, the cathode outlet of fuel cell pile can pass through cathode exhaust gas sensor 26 and cathode exhaust gas control valve 27
It is connected with the cathode inlet of fuel cell pile 50 is recycled, recycles the cathode outlet of fuel cell pile 50 that can pass through yin
The control exhaust of pole discharge control valve 28, recycles the cathode outlet of fuel cell pile 50 that can pass through anode export control valve 44
Control exhaust.
Control system is controlled for fuel cell power generation part part status monitoring and driving part, according to generated output and operation
State determines the critical component method of operation, issues operating instruction.Control system and sensor, power controller, valve, air compressor machine
21 equal operation components are by signal-transmitting cable connection and real-time communication, signal are transferred to processor 60, processor 60 and power
Controller carries out signal connection, utilizes automation control strategy, real-time control system driving part.
According to the hydrogen fuel cell system of the utility model embodiment, the cathode of fuel cell pile can be made full use of to arrange
Gas and anode exhaust, and anode exhaust recycles after separation, can extend the service life of whole system, reduces failure
Rate.
In some alternative embodiments, with reference to Fig. 1, fuel cell pile include it is multiple, each fuel cell pile
Anode inlet passes through gas control valve and is connected with fuel system, and the cathode inlet of each fuel cell pile passes through oxygen
Agent control valve is connected with oxidant supply system.For example fuel cell pile, according to power requirement, according to 1 to N group, fuel is electric
Pond pile presses Structural Design Requirement, passes through the forms grouping arrangement such as frame, grid, binding fastening.
For example fuel cell pile 30a controls anodic gas air inlet by gas control valve 15a and opens or closes, fuel electricity
Pond pile 30a controls cathode gas air inlet by oxidizer control valve 25a and opens or closes, and fuel cell pile 30i passes through combustion
Gas control valve 15i control anodic gas air inlet opens or closes, and fuel cell pile 30i is controlled by oxidizer control valve 25i
Cathode gas air inlet opens or closes, i=1,2 ..., n.
Multiple gas control valves be set as can independent control opening and closing, multiple oxidizer control valves be set as can independent control open
It closes.In other words, system partitioning energy management may be implemented in the hydrogen fuel cell system of the present embodiment, opens hydrogen fuel cell system
Part of fuel battery stack is opened, is generated electricity according to load power demand.
Using control system, gas supply grouping control under the conditions of different capacity is realized.Fuel cell module reads system first
Target power, and carry out logical operation.When target power is greater than the set value P0, control valve is selected to execute whole in grouping scheme
Breakdown action, and determine the setting of the parameters such as stoichiometric ratio and operating pressure, signal is transferred to determining dress through controlling cable
It sets, sensor carries out inspection feedback and state modulator to operating status；When power is less than P0, according to power and history run number
According to valve grouping running scheme is determined, determines that metering ratio, signal are transferred to target Open valve, execute breakdown action and simultaneously pressed
The parameter feedbacks such as power, function.System logic is executed with 50ms-200ms time interval to be read and feeds back, quickly to adjust system
Power.
As shown in Fig. 2, Reconstruction of End Gas Separator 41 includes: knockout drum 411, air inlet spray canister 412, silk screen 413, separation grid 414.
Knockout drum 411 is collected and is separated, the anode export phase of the entrance and fuel cell pile of knockout drum 411 for fuel
Even, the entrance of knockout drum 411 is located at the top of knockout drum 411, and the roof interval of the entrance of knockout drum 411 and knockout drum 411
It opens, the air supply opening of knockout drum 411 is connected with the anode inlet of fuel cell pile 50 is recycled, and the air supply opening of knockout drum 411 can
To be provided with the roof of knockout drum 411.
Air inlet spray canister 412 is installed in knockout drum 411, and the entrance phase of the open end of air inlet spray canister 412 and knockout drum 411
Even, the wall surface of air inlet spray canister 412 is equipped with multiple gas vents, and air inlet spray canister 412 can limit air inlet runner, which can
To guide to air-flow, air inlet spray canister 412 can divide for the cylindrical shape of open at one end, gas vent in the form of array
It is distributed in the wall surface of air inlet spray canister 412, for example gas vent is distributed as multiple rows of multiple row.Reduction of speed and rectification may be implemented in air inlet spray canister 412,
Mixed gas avoids gas high speed purging from causing secondary mixing in air inlet spray canister 412 through uniformly rectification.Air inlet spray canister 412, which is located at, divides
Top from tank 411, and air inlet spray canister 412 is spaced apart with the roof of knockout drum 411, such air inlet spray canister 412 does not influence lower section
Separation, and do not influence top gas supply.
Silk screen 413 is installed in knockout drum 411, and knockout drum 411 is divided for upper layer cavity and lower layer's cavity, air inlet spray canister
412 are located at upper layer cavity, and separation grid 414 is installed on lower layer's cavity, and separates grid 414 and be spaced apart setting with silk screen 413, point
Grid 414 out of place are spaced apart setting with the bottom wall of knockout drum 411.Silk screen 413 and separation grid 414 are for realizing gas separation.
Reduction of speed and rectification of the mixed gas by air inlet spray canister 412, then pass through the devices such as silk screen 413, separation grid 414,
Nitrogen, the different working medium of hydrogen gas and water isodensity are separated, the small gas of density (hydrogen) is gathered in the top of knockout drum 411
Portion, water and foreign gas are gathered in tank base and realize separation,
The structure of the Reconstruction of End Gas Separator 41 is simple, can isolate the impurity in mixed gas, is enriched with hydrogen.
As shown in Fig. 2, knockout drum 411 can be equipped with discharge outlet, discharge outlet can be located at the bottom wall of knockout drum 411, hydrogen combustion
Expect that battery system includes drain valve 43 and knockout drum sensor 42, drain valve 43 is connected with the discharge outlet of knockout drum 411, drain valve
43 are set as the unlatching when the pressure or nitrogen gas concn of knockout drum 411 reach predetermined value, and knockout drum sensor 42 divides for detecting
From pressure, nitrogen gas concn, temperature in tank 411.Monitoring signals are transferred to control system by sensor module, and control system is based on shape
It unlatching/closed state of state state modulator drain valve 43 and releases the time, to guarantee that system can effectively realize tail gas quality
Control improves fuel utilization efficiency.
It is understood that the gas pressure and gas componant in knockout drum 411 are in fluctuation status, fuel electricity is recycled
The power limited of pond pile 50, and fuel cell pile 50 is recycled also to have certain requirement to the nitrogen gas concn in air inlet.It is logical
Setting discharge outlet and drain valve 43 are crossed, knockout drum 411 may be implemented and discharge on demand, such as when knockout drum sensor 42 detects nitrogen
When gas concentration η is greater than the set value η 0, control system transmits 43 open signal of drain valve, and drain valve 43 executes exhaust process, with row
Except the mixed gas of high nitrogen content；When knockout drum sensor 42 detects that the pressure P of knockout drum 411 is greater than setting pressure P0
When, control system transmits 43 open signal of drain valve, and drain valve 43 executes exhaust process, to reduce the pressure of knockout drum 411, really
Protect operational safety.
It is less than setting value p0 in the pressure p of knockout drum 411, and p is greater than p1 (p0 > p1), p1 is setting value, is maintained when front row
Gaseity；When exhaust is so that the pressure p of nitrogen gas concn η and knockout drum 411 is respectively less than setting value, drain valve 43 is closed；Pass through
Above-mentioned regulative mode guarantees that gas pressure and impurity concentration are in maintenance level in knockout drum 411, to guarantee to recycle fuel
50 runnability of battery stack and service life.
According to the hydrogen fuel cell system of the utility model embodiment, pass through tail gas separation mode, fuel cell pile row
It puts tail gas to be separated and re-used, the fuel discharge amount of hydrogen fuel cell system is greatly reduced, improve hydrogen fuel cell system
Energy conversion efficiency, and can reduce discharge hydrogen aggregation risk, avoid cause security risk, wherein gas separation no longer
Using recycle units such as circulating pump, injectors, it is applicable in the operation of high power fuel cell system, multiple groups fuel cell pack tail gas can lead to
It crosses single or several group or even fuel cell monolithic is used, system investment cost can be greatly reduced.The utility model
The Reconstruction of End Gas Separator 41 of middle use can play the role of hydrogen storage, pile is allowed to run with bigger stoichiometric ratio, improve electricity
The operational efficiency and service life of heap, in addition, knockout drum 411 can effectively reduce the pressure fluctuations amplitude in fuel cell system
And frequency can reduce impact of the pressure oscillation repeatedly to fuel cell pile, improve pile while reducing system control difficulty
Operational reliability.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of hydrogen fuel cell system characterized by comprising
Fuel cell pile；
Fuel system, the fuel system are connected with the anode inlet of the fuel cell pile；
Oxidant supply system, the oxidant supply system are connected with the cathode inlet of the fuel cell pile；
Recycle fuel cell pile, the yin of the cathode inlet for recycling fuel cell pile and the fuel cell pile
Pole outlet is connected；
Reconstruction of End Gas Separator, the anode export of the fuel cell pile are connected with the entrance of the Reconstruction of End Gas Separator, the tail gas
The air supply opening of separator is connected with the anode inlet for recycling fuel cell pile.
2. hydrogen fuel cell system according to claim 1, which is characterized in that the fuel cell pile include it is multiple,
The anode inlet of each fuel cell pile passes through gas control valve and is connected with the fuel system, each described
The cathode inlet of fuel cell pile passes through oxidizer control valve and is connected with the oxidant supply system.
3. hydrogen fuel cell system according to claim 2, which is characterized in that multiple gas control valves are set as can
Independent control opening and closing, multiple oxidizer control valves are set as can independent control opening and closing.
4. hydrogen fuel cell system according to any one of claim 1-3, which is characterized in that the Reconstruction of End Gas Separator packet
It includes:
Knockout drum, the entrance of the knockout drum are connected with the anode export of the fuel cell pile, the gas supply of the knockout drum
Mouth is connected with the anode inlet for recycling fuel cell pile；
Air inlet spray canister, the air inlet spray canister are installed in the knockout drum, and the open end of the air inlet spray canister is separated with described
The entrance of tank is connected, and the wall surface of the air inlet spray canister is equipped with multiple gas vents.
5. hydrogen fuel cell system according to claim 4, which is characterized in that the entrance of the knockout drum is located at described point
Be spaced apart from the top of tank and with the roof of the knockout drum, the air inlet spray canister be located at the top of the knockout drum and with it is described
The roof of knockout drum is spaced apart.
6. hydrogen fuel cell system according to claim 4, which is characterized in that the Reconstruction of End Gas Separator further include:
Silk screen, the silk screen are installed in the knockout drum, and the knockout drum is divided into upper layer cavity and lower layer's cavity, described
Air inlet spray canister is located at the upper layer cavity.
7. hydrogen fuel cell system according to claim 6, which is characterized in that the Reconstruction of End Gas Separator further include: separation
Grid, the separation grid is installed on lower layer's cavity, and is spaced and opens up with the bottom wall of the silk screen and the knockout drum
It sets.
8. hydrogen fuel cell system according to any one of claim 1-3, which is characterized in that the Reconstruction of End Gas Separator packet
Knockout drum is included, the hydrogen fuel cell system includes drain valve, and the drain valve is connected with the discharge outlet of the knockout drum, described
Drain valve is set as the unlatching when the pressure or nitrogen gas concn of the knockout drum reach predetermined value.
9. hydrogen fuel cell system according to claim 8, which is characterized in that further include for detecting in the knockout drum
The knockout drum sensor of pressure and nitrogen gas concn.
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| CN111916791A (en) * | 2020-07-31 | 2020-11-10 | 上海捷氢科技有限公司 | Multi-working-condition multi-sample fuel cell stack testing system and control method thereof |
| CN112201810A (en) * | 2020-09-25 | 2021-01-08 | 上海华熵能源科技有限公司 | Hydrogen fuel cell device capable of supplying gas under stable pressure |
| CN112397753A (en) * | 2020-10-27 | 2021-02-23 | 智新科技股份有限公司 | Hydrogen tail gas purification system for fuel cell |
| CN113422092A (en) * | 2021-07-09 | 2021-09-21 | 武汉喜玛拉雅光电科技股份有限公司 | Hydrogen fuel cell system |
| CN113497256A (en) * | 2020-03-20 | 2021-10-12 | 郑州宇通客车股份有限公司 | Fuel cell system and nitrogen purging system |
| CN113851678A (en) * | 2021-09-07 | 2021-12-28 | 中车青岛四方机车车辆股份有限公司 | Hydrogen supply valve control method for hydrogen storage system, and hydrogen power system starting method and system |
| CN114094140A (en) * | 2021-09-28 | 2022-02-25 | 东风汽车集团股份有限公司 | Hydrogen fuel cell vehicle, hydrogen supply system and hydrogen supply method thereof |
| CN114744246A (en) * | 2022-04-13 | 2022-07-12 | 佛山仙湖实验室 | Fuel cell system and air humidity adjusting method thereof |
| CN115084572A (en) * | 2021-03-02 | 2022-09-20 | 丰田自动车株式会社 | Fuel cell system |
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