CN110364753A - A kind of the anode water discharge control method and its drainage system of hydrogen fuel cell - Google Patents
A kind of the anode water discharge control method and its drainage system of hydrogen fuel cell Download PDFInfo
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- CN110364753A CN110364753A CN201910682482.6A CN201910682482A CN110364753A CN 110364753 A CN110364753 A CN 110364753A CN 201910682482 A CN201910682482 A CN 201910682482A CN 110364753 A CN110364753 A CN 110364753A
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- Prior art keywords
- anode
- hydrogen
- fuel cell
- container
- circulating pump
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04164—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by condensers, gas-liquid separators or filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04604—Power, energy, capacity or load
- H01M8/04626—Power, energy, capacity or load of auxiliary devices, e.g. batteries, capacitors
-
- 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 invention discloses the anode water discharge control methods and its drainage system of a kind of hydrogen fuel cell, its method is: being separated the waste water for the hydrogen that anode generates using hydrogen circulating pump, the wastewater collection isolated is into container, real-time monitoring hydrogen circulation pump power, as hydrogen circulation pump power >=given threshold P0When, discharge the waste water in container.The present invention monitors in real time according to ponding situation, realize intelligent drainage function, both avoided wastewater flow rate it is smaller when frequently drain caused by equipment damage, also avoid water blockoff caused by the larger draining not in time of wastewater flow rate, it is easy to operate, liberate manpower, reduce cost, improve system effectiveness.
Description
Technical field
The present invention relates to hydrogen fuel cell fields, a kind of anode water discharge control method in particular to hydrogen fuel cell and its
Drainage system.
Background technique
Hydrogen fuel cell is a kind of device that the chemical energy stored in fuel gas is transformed into electric energy, is different from lithium
Ion battery is used as energy accumulating device, does not store energy inside hydrogen fuel cell, and is analogous to the energy of automobile engine
Reforming unit.Hydrogen fuel cell has the potential of substitution conventional gasoline diesel engine, by traffic as a kind of clean energy resource
The common concern of carrier.The one kind of Proton Exchange Membrane Fuel Cells (PEMFC) as hydrogen fuel cell, uses polymer thin
Film separates yin-yang the two poles of the earth of battery as solid electrolyte, and thin polymer film, which also undertakes, leads the proton that anode hydrogen gas reaction generates
Effect to cathode, proton are reached with reacted after cathode, and electronics forms current loop by external circuit, generate electric
Energy.
In order to improve the hydrogen utilization ratio of Proton Exchange Membrane Fuel Cells, anode gas flow control, which is that one kind is simple and easy, to be set
Meter mode.Anode hydrogen gas cyclic design makes the remaining hydrogen of reaction continue the participation reaction of introducing system, helps to improve proton friendship
Film fuel battery system is changed to the utilization rate of hydrogen.But anode does not have normal outlet to be easier to cause the water blockoff of inside battery.
Product aquatic products in Proton Exchange Membrane Fuel Cells is born in cathode, and the water of cathode can be far longer than anode water under high current, yin
Pole water can diffuse to anode along concentration gradient, the superfluous water that the design that anode is seldom arranged can not be discharged in time in fuel cell,
To avoid the performance as caused by water blockoff from declining, the structure that anode is seldom arranged needs to add auxiliary dewatering device.
At present in known patent document, some water discharge methods for hydrogen fuel cell are disclosed, such as:
A kind of patent " short-time closed-type fuel cell " (publication number CN102832403A) of Wuhan University of Technology, Toyota is certainly
Motor-car Co., Ltd. patent " with dead-end anode fuel cell " " (publication number CN101548420A), new driving source stock
Patent " a kind of anode of proton exchange membrane fuel cell pulse system and its working method " (publication number of part Co., Ltd
CN102035001A), patent " a kind of fuel cell section hydrogen and positive pole drain method " (publication number of Tsinghua University
CN1476121A), the patent " fuel cell multi-mode switching anode pressure pulsation water washes away control system " of University Of Chongqing is (open
Number CN109216736A), the patent of Toyota Motor Corporation rep. " fuel cell drainage arrangement, fuel cell system and its
Control method " (publication number CN 105609839A) give hydrogen fuel cell system gas flow optimized and anode draining some skills
Art route also provides the feasible program that some pairs of anode water sweep modes control.But can not simultaneously solve " when to be arranged
The problem of water " " water how many when start to drain ", the control for draining are also by mechanical manually or using timing etc.
Simple operations method, do not judge draining opportunity and the ability according to ponding situation self-draining to device itself.It is facing
Compare extreme scene, if water blockoff is extremely serious or water blockoff time and when irregular situation, above-mentioned apparatus also needs manually
Intervention is handled.
The sun for carrying out the hydrogen fuel cell of real-time judgment and intelligent drainage function therefore, it is necessary to develop a kind of pair of anode water accumulating volume
Pole water discharge control method and its drainage system.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, provides a kind of pair of anode water accumulating volume and carries out in real time
Determine the anode water discharge control method and its drainage system of the simultaneously hydrogen fuel cell of intelligent drainage function.
The technical solution of the present invention is as follows: a kind of anode water discharge control method of hydrogen fuel cell, which is characterized in that its method
It is: is separated the waste water for the hydrogen that anode generates using hydrogen circulating pump, the wastewater collection isolated is into container, in real time
Hydrogen circulation pump power is monitored, as hydrogen circulation pump power >=given threshold P0When, discharge the waste water in container.
Preferably, as hydrogen circulation pump power >=given threshold P0When, the solenoid valve at container discharge outlet is opened, is arranged
Water.
Preferably, in container drainage procedure, as hydrogen circulation pump power < given threshold P0When, container draining is closed.
Preferably, the container includes at least one U-shaped water accumulation pipe.
The present invention also provides a kind of anode drainage system of hydrogen fuel cell, the sun being connect including the anode inlet with pile
Pole gas handling system, and the vapor circulation system drawn from the anode export of pile, the vapor circulation system includes that aqueous vapor is followed
Endless tube road, the container that connection is linked with hydrogen circulating pump and separates hydrogen, water on the water-gas circulation pipeline；It is characterized in that,
It further include control unit, described control unit real-time monitoring hydrogen circulation pump power, as hydrogen circulation pump power >=given threshold P0When,
Discharge the waste water in container.
Preferably, the container includes aqueous vapor inlet port, and gathering ground, gas discharge outlet, gathering ground is equipped with controllable opening and closing
Discharge outlet；Aqueous vapor inlet port is isolated with gas discharge outlet for gathering ground.
Further, the container includes at least one U-shaped water accumulation pipe, the U-shaped ponding bottom of the tube be equipped with discharge outlet with
And the solenoid valve of control discharge outlet opening and closing.
Further, described control unit signal input part is connect with hydrogen circulating pump signal output end, control unit letter
Number output end is connect with solenoid signal input terminal.
Further, the container is connected between the anode export of pile and hydrogen circulating pump.
Further, the anode gas handling system includes anode hydrogen gas air inlet tank, the sun being sequentially connected towards anode inlet
Pole gas flowmeter, anode humidifier, anode pressure table, the hydrogen circulating-pump outlet and anode gas flow meter, anode humidify
Pipeline connection between device.
Aqueous vapor inlet port is isolated with gas discharge outlet for gathering ground refers to: catchmenting aqueous vapor inlet port and gas gathering ground
Body outlet separates, the flow resistance changed in runner of catchmenting.
The invention has the benefit that
1. (collecting waste water in U-shaped water accumulation pipe to get over using the positively related principle of power of wastewater flow rate in container and hydrogen circulating pump
More, the power of hydrogen circulating pump also rises with it), the power of hydrogen circulating pump is monitored, according to the power of hydrogen circulating pump to row
Water opportunity is determined that is be simple and efficient completes the judgement of ponding situation.
2. hydrogen circulation pump power reading feeds back to solenoid valve to complete discharge outlet opening and closing, protect wastewater flow rate in U-shaped water accumulation pipe
It holds in a certain range, compared with timing drainage method in the prior art, this method can voluntarily judge draining opportunity and the row of control
Water process maintains system inner product water to be in appropriate state.When wastewater flow is larger in into U-shaped water accumulation pipe, discharge outlet can be certainly
Dynamic high-frequency opening and closing meets drainage requirement；When wastewater flow is smaller in into U-shaped water accumulation pipe, the opening and closing of discharge outlet automatic low-frequency rate.
3. the present invention is monitored in real time according to ponding situation, realizes intelligent drainage function, both avoided the smaller time-frequency of wastewater flow rate
Equipment damage caused by numerous draining also avoids water blockoff caused by the larger draining not in time of wastewater flow rate, easy to operate, liberation people
Power reduces cost, improves system effectiveness.
Detailed description of the invention
Fig. 1 is the anode drainage system structural schematic diagram of hydrogen fuel cell of the present invention
Wherein: 1- anode hydrogen gas air inlet tank 2- anode gas flow meter 3- anode humidifier 4- anode pressure table 5- cathode is empty
Gas air inlet tank 6- cathode gas flowmeter 7- cathode humidifier 8- cathode pressure table 9- pile (91- anode inlet 92- cathode inlet
93- anode export 94- anode export) 10- container 11- discharge outlet 12- hydrogen circulating pump 13- counterbalance valve 14- last row pipe 15- solenoid valve
16-U type water accumulation pipe.
Specific embodiment
The present invention is described in further detail for specific embodiment below.
As shown in Figure 1, a kind of anode drainage system of hydrogen fuel cell provided by the invention, including the anode with pile 9
The anode gas handling system that entrance 91 connects and the cathode inlet system connecting with the cathode inlet 92 of pile 9, further include from electricity
The vapor circulation system that the anode export 93 of heap 9 is drawn, vapor circulation system include water-gas circulation pipeline, on water-gas circulation pipeline
The container 10 for being connected with hydrogen circulating pump 12 and separating hydrogen, water further includes control unit, control unit real-time monitoring hydrogen circulation
12 power are pumped, as 12 power of hydrogen circulating pump >=given threshold P0When, discharge the waste water in container 10.
Container 10 includes aqueous vapor inlet port, gathering ground, gas discharge outlet, and gathering ground is equipped with the discharge outlet of controllable opening and closing；
Aqueous vapor inlet port is isolated with gas discharge outlet for gathering ground.In the present embodiment, container 10 is U-shaped water accumulation pipe 16, aqueous vapor inlet port
It is the both ends open of U-shaped water accumulation pipe 16 with gas discharge outlet, gathering ground is then the pipe section of U-shaped water accumulation pipe 16, is received in pipeline
Catchmenting for collection separates aqueous vapor inlet port with gas discharge outlet, the flow resistance changed in runner of catchmenting.
U-shaped 16 one end of water accumulation pipe (aqueous vapor inlet port) is connected to the anode export 93 of pile 9, the other end (gas discharge outlet)
With 12 inlet communication of hydrogen circulating pump, the outlet of hydrogen circulating pump 12 is connected to anode gas handling system, and U-shaped 16 bottom of water accumulation pipe opens up draining
Mouth 11 is simultaneously equipped with the solenoid valve 15 that control discharge outlet 11 opens and closes.Control unit signal input part and 12 signal output end of hydrogen circulating pump
Connection, control unit signal output end are connect with 15 signal input part of solenoid valve.
Anode gas handling system includes anode hydrogen gas air inlet tank 1, the anode gas flow being sequentially connected towards anode inlet 91
Count 2, anode humidifier 3, anode pressure table 4；Cathode inlet system includes the cathode air being sequentially connected towards cathode inlet 92
Air inlet tank 5, cathode gas flowmeter 6, cathode humidifier 7, cathode pressure table 8.The cathode outlet 94 of pile 9 is equipped with last row pipe
14, last row pipe 14 is normally opened and is equipped with counterbalance valve 13.
In upper-part: 2 are used for monitoring hydrogen flow in terms of anode gas flow；Anode humidifier 3 is for controlling hydrogen
Humidification degree；Anode pressure table 4 is used for monitoring hydrogen admission pressure, and the aperture by controlling air intake valve controls hydrogen pressure；Yin
Pole gas flowmeter 6 is used to control the humidification degree of air for monitoring air mass flow, cathode humidifier 7；Cathode pressure table 8 is used
In monitoring air inlet pressure, atmospheric pressure is controlled by the aperture of counterbalance valve 13 at control cathode outlet, pile 9 is proton friendship
Film fuel cell electric piling is changed, is the power supply device of system, pile 9 is equipped with anode inlet 91, cathode inlet 92, anode export
93, cathode outlet 94.
In the present embodiment, hydrogen circulating pump 12 exports the pipeline directly between anode gas flow meter 2, anode humidifier 3
Connection, the hydrogen for providing the hydrogen isolated with gas source converge, and supply together to pile.Control unit is meter in the present embodiment
Calculation machine, existing hydrogen circulating pump directly output power signal, computer can receive power signal and feedback control solenoid valve.
Water discharge method using the anode drainage system of above-mentioned hydrogen fuel cell is step are as follows:
A. the wastewater collection of hydrogen anode generated, will be in waste water using hydrogen circulating pump 12 into U-shaped water accumulation pipe 16
Hydrogen Separation simultaneously continues to introduce anode, since hydrogen circulating pump needs to extract all hydrogen in waste water, collects waste water in U-shaped water accumulation pipe
More, the power of hydrogen circulating pump is bigger, therefore the power of wastewater flow rate and hydrogen circulating pump is positively correlated in U-shaped water accumulation pipe；
B. 12 power of control unit real-time monitoring hydrogen circulating pump is utilized, enabling U-shaped 16 inner product water of water accumulation pipe is setting value V0
When hydrogen circulating pump 12 correspondence power be given threshold P0, control unit according to 12 Feedback of Power of hydrogen circulating pump to solenoid valve 15,
The discharge outlet 11 for controlling U-shaped water accumulation pipe 16 opens and closes；
As U-shaped 16 inner product water of water accumulation pipe >=setting value V0When, 12 power of hydrogen circulating pump >=given threshold P0, control unit
Solenoid valve 15 is controlled according to 12 power output signal of hydrogen circulating pump to open discharge outlet 11, discharges waste water in U-shaped water accumulation pipe 16；
When water logging situation is alleviated in pile 9, U-shaped 16 inner product water of water accumulation pipe drops to critical value V0Hereinafter, hydrogen follows simultaneously
Ring pumps 12 power and drops to given threshold P0Hereinafter, working as 12 power < given threshold P of hydrogen circulating pump0When, control unit output signal
Control solenoid valve 15 closes discharge outlet 11, and drainage procedure terminates.When U-shaped 16 inner product water of water accumulation pipe is again above setting value V0
When, then repeat this process.
When the serious ponding of system (it is larger to enter wastewater flow in U-shaped water accumulation pipe), discharge outlet meeting high-frequency opening and closing, single row
Water is greatly to meet drainage requirement；
When (it is smaller to enter wastewater flow in U-shaped water accumulation pipe) when system internal water accumulation is all right, the opening and closing of discharge outlet low frequency,
Single displacement is small to be met the requirements.This method can judge automatically draining opportunity according to water accumulating volume and realize to drainage procedure and control
System maintains system inner product water to be in appropriate state.
Claims (10)
1. a kind of anode water discharge control method of hydrogen fuel cell, which is characterized in that its method is: utilizing hydrogen circulating pump (12) will
The waste water for the hydrogen that anode generates is separated, in the wastewater collection isolated to container (10), real-time monitoring hydrogen circulating pump
(12) power, as hydrogen circulating pump (12) power >=given threshold P0When, discharge the waste water in container (10).
2. the anode water discharge control method of hydrogen fuel cell as described in claim 1, which is characterized in that when hydrogen circulating pump (12) function
Rate >=given threshold P0When, the solenoid valve (15) at container (10) discharge outlet is opened, is drained.
3. the anode water discharge control method of hydrogen fuel cell as described in claim 1, which is characterized in that container (10) drainage procedure
In, as hydrogen circulating pump (12) power < given threshold P0When, container (10) draining is closed.
4. the anode water discharge control method of hydrogen fuel cell as described in claim 1-3 is any, which is characterized in that the container
It (10) include at least one U-shaped water accumulation pipe (16).
5. a kind of anode drainage system of hydrogen fuel cell, the anode air inlet being connect including the anode inlet (91) with pile (9)
System, and the vapor circulation system drawn from the anode export (93) of pile (9), the vapor circulation system includes that aqueous vapor is followed
Endless tube road, the container (10) that connection is linked with hydrogen circulating pump (12) and separates hydrogen, water on the water-gas circulation pipeline；It is special
Sign is, further includes control unit, described control unit real-time monitoring hydrogen circulating pump (12) power, when hydrogen circulating pump (12) power
>=given threshold P0When, discharge the waste water in container (10).
6. the anode drainage system of hydrogen fuel cell as claimed in claim 5, which is characterized in that the container (10) includes water
Gas inlet port, gathering ground, gas discharge outlet, gathering ground are equipped with the discharge outlet of controllable opening and closing；Gathering ground by aqueous vapor inlet port with
Gas discharge outlet isolation.
7. such as the anode drainage system of hydrogen fuel cell described in claim 5 or 6, which is characterized in that container (10) packet
At least one U-shaped water accumulation pipe (16) is included, U-shaped water accumulation pipe (16) bottom is equipped with discharge outlet (11) and control discharge outlet (11)
The solenoid valve (15) of opening and closing.
8. the anode drainage system of hydrogen fuel cell as claimed in claim 7, which is characterized in that described control unit signal is defeated
Enter end to connect with hydrogen circulating pump (12) signal output end, control unit signal output end and solenoid valve (15) signal input part connect
It connects.
9. the anode drainage system of hydrogen fuel cell as claimed in claim 5, which is characterized in that the container (10) is connected to
Between the anode export (93) and hydrogen circulating pump (12) of pile (9).
10. the anode drainage system of hydrogen fuel cell as claimed in claim 5, which is characterized in that the anode gas handling system
Lead to anode hydrogen gas air inlet tank (1), the anode gas flow meter (2), anode humidifier of anode inlet (91) including being sequentially connected
(3), anode pressure table (4), pipeline between hydrogen circulating pump (12) outlet and anode gas flow meter (2), anode humidifier (3)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682482.6A CN110364753A (en) | 2019-07-26 | 2019-07-26 | A kind of the anode water discharge control method and its drainage system of hydrogen fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682482.6A CN110364753A (en) | 2019-07-26 | 2019-07-26 | A kind of the anode water discharge control method and its drainage system of hydrogen fuel cell |
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| Publication Number | Publication Date |
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| CN110364753A true CN110364753A (en) | 2019-10-22 |
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| CN201910682482.6A Pending CN110364753A (en) | 2019-07-26 | 2019-07-26 | A kind of the anode water discharge control method and its drainage system of hydrogen fuel cell |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854414A (en) * | 2019-10-23 | 2020-02-28 | 中国第一汽车股份有限公司 | Fuel cell anode drainage method and device |
| CN111048804A (en) * | 2019-12-30 | 2020-04-21 | 东风汽车集团有限公司 | Oxygen supply method, oxygen supply system and control system for hydrogen fuel cell |
| WO2021258704A1 (en) * | 2020-06-24 | 2021-12-30 | 中国第一汽车股份有限公司 | Current-based method for controlling opening frequency of hydrogen discharging valve and water drain valve |
| CN114551942A (en) * | 2020-11-27 | 2022-05-27 | 中国科学院大连化学物理研究所 | Low-pressure operation control method for high-temperature fuel cell |
| CN114824377A (en) * | 2022-06-01 | 2022-07-29 | 潍柴动力股份有限公司 | Fuel cell control method, engine, and nonvolatile storage medium |
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| CN205376647U (en) * | 2016-01-22 | 2016-07-06 | 上海恒劲动力科技有限公司 | Fuel cell hydrogen recovery system |
| CN208684575U (en) * | 2018-07-17 | 2019-04-02 | 河南力拓电气有限公司 | A kind of sewage automatic-discharging control system |
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| CN1579031A (en) * | 2002-07-30 | 2005-02-09 | 松下电器产业株式会社 | Fuel cell generation apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854414A (en) * | 2019-10-23 | 2020-02-28 | 中国第一汽车股份有限公司 | Fuel cell anode drainage method and device |
| CN111048804A (en) * | 2019-12-30 | 2020-04-21 | 东风汽车集团有限公司 | Oxygen supply method, oxygen supply system and control system for hydrogen fuel cell |
| WO2021258704A1 (en) * | 2020-06-24 | 2021-12-30 | 中国第一汽车股份有限公司 | Current-based method for controlling opening frequency of hydrogen discharging valve and water drain valve |
| CN114551942A (en) * | 2020-11-27 | 2022-05-27 | 中国科学院大连化学物理研究所 | Low-pressure operation control method for high-temperature fuel cell |
| CN114824377A (en) * | 2022-06-01 | 2022-07-29 | 潍柴动力股份有限公司 | Fuel cell control method, engine, and nonvolatile storage medium |
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