CN108110281A - A kind of methanol recapitalization fuel cell system - Google Patents
A kind of methanol recapitalization fuel cell system Download PDFInfo
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- CN108110281A CN108110281A CN201810029874.8A CN201810029874A CN108110281A CN 108110281 A CN108110281 A CN 108110281A CN 201810029874 A CN201810029874 A CN 201810029874A CN 108110281 A CN108110281 A CN 108110281A
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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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
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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
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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
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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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 present invention relates to energy technology fields, disclose a kind of methanol recapitalization fuel cell system, including methanol recapitalization subsystem, hydrogen buffering subsystem and fuel cell subsystem, by the way that hydrogen buffering subsystem is connected between methanol recapitalization subsystem and fuel cell subsystem, hydrogen made from methanol recapitalization subsystem is delivered to by fuel cell subsystem by hydrogen connecting line incessantly, and when the output power of fuel cell subsystem is less than predetermined power, hydrogen buffering device stores hydrogen, to store extra hydrogen；When the output power of fuel cell subsystem is more than predetermined power, hydrogen buffering device discharges hydrogen to fuel cell subsystem, to ensure that fuel cell subsystem has enough hydrogen to supply, so as to have adjusted the hydrogen supply of fuel cell, and then the waste of hydrogen is avoided.
Description
Technical field
The present invention relates to energy technology field, more particularly to a kind of methanol recapitalization fuel cell system.
Background technology
Fuel cell is reacted with cathode oxygen under anode catalyst effect using hydrogen as fuel and is converted into chemical energy
Electric energy.At present, since the fuel cell in dynamical system peculiar to vessel generally passes through preparing hydrogen by reforming methanol, existing preparing hydrogen by reforming methanol
For system in order to ensure the normal work of fuel cell, existing preparing hydrogen by reforming methanol system usually provides fixed hydrogen at work
Throughput, but due to vessel motion condition difference (such as shipful or zero load, it is with the wind downstream or inverse against the wind during vessel motion
Water etc.) cause fuel cell output power variation, so as to cause the fluctuation of hydrogen gas consumption, so as to cause the wave of hydrogen
Take.
The content of the invention
The object of the present invention is to provide a kind of methanol recapitalization fuel cell system, the hydrogen that can adjust fuel cell supplies
Ying Liang, to avoid the waste of hydrogen.
In order to solve the above technical problem, the present invention provides a kind of methanol recapitalization fuel cell system, including methanol recapitalization
Subsystem, hydrogen buffering subsystem and fuel cell subsystem, hydrogen output terminal and the hydrogen of the methanol recapitalization subsystem
The hydrogen input terminal connection of gas buffering subsystem, the hydrogen output terminal of the hydrogen buffering subsystem and the fuel cell subsystem
The hydrogen input terminal connection of system；
The hydrogen buffering subsystem include hydrogen connecting line and hydrogen buffering device, the hydrogen connecting line it is defeated
Enter end to be connected with the hydrogen input terminal of the hydrogen buffering subsystem, output terminal and the hydrogen of the hydrogen connecting line delay
The hydrogen output terminal connection of punching pin system；The input terminal of the hydrogen buffering device and the hydrogen of the hydrogen buffering subsystem are defeated
Enter end connection, the output terminal of the hydrogen buffering device is connected with the hydrogen output terminal of the hydrogen buffering subsystem；When described
When the output power of fuel cell subsystem is less than predetermined power, the hydrogen buffering device stores hydrogen；When fuel electricity
When the output power of pond system is more than predetermined power, the hydrogen buffering device discharges hydrogen to the fuel cell subsystem
Gas.
Preferably, the hydrogen buffering device includes the first booster pump and the first surge tank, first supercharging
The input terminal of pump is connected with the input terminal of the hydrogen buffering device, the output terminal of first booster pump and the described first buffering
The input terminal connection of tank, the output terminal of first surge tank are connected with the output terminal of the hydrogen buffering device.
Preferably, the methanol recapitalization fuel cell system further includes controller, the controller respectively with institute
State the first booster pump, first surge tank and fuel cell subsystem electrical connection.
Preferably, the hydrogen buffering subsystem further includes the second booster pump and low pressure buffer tank, the hydrogen
The hydrogen input terminal of buffering subsystem connects the hydrogen connecting line by second booster pump with the low pressure buffer tank
Input terminal, the hydrogen input terminal of the hydrogen buffering subsystem connected by second booster pump with the low pressure buffer tank
The input terminal of the hydrogen buffering device；
Specifically, the hydrogen input terminal of the hydrogen buffering subsystem is connected with the input terminal of second booster pump, institute
The output terminal for stating the second booster pump is connected with the input terminal of the low pressure buffer tank, the first output terminal of the low pressure buffer tank with
The input terminal connection of the hydrogen connecting line, the second output terminal of the low pressure buffer tank are defeated with the hydrogen buffering device
Enter end connection.
Preferably, the hydrogen buffering device includes the 3rd booster pump and high-pressure buffering pot, the 3rd supercharging
The input terminal of pump is connected with the input terminal of the hydrogen buffering device, output terminal and the high-pressure buffer of the 3rd booster pump
The input terminal connection of tank, the output terminal of the high-pressure buffering pot are connected with the output terminal of the hydrogen buffering device.
Preferably, the methanol recapitalization fuel cell system further includes controller, the controller respectively with institute
State the second booster pump, the low pressure buffer tank, the 3rd booster pump, the high-pressure buffering pot and the fuel cell subsystem
Electrical connection.
Preferably, the methanol recapitalization subsystem include methanol aqueous solution tank, feed pump, heat exchanger, combustion chamber,
Reformer and reformation gas purifier, the combustion chamber is disposed adjacent with the reformer；
The output terminal of the methanol aqueous solution tank is connected with the input terminal of the feed pump, the output terminal of the feed pump with
The first input end connection of the heat exchanger, the first output terminal of heat exchanger first input end with the combustion chamber respectively
It is connected with the input terminal of the reformer, the output terminal of the reformer is connected with the input terminal of the reformation gas purifier, institute
The hydrogen output terminal for stating reformation gas purifier is connected with the hydrogen output terminal of the methanol recapitalization subsystem, the reformation gas purifying
The tail gas output terminal of device is connected with the second input terminal of the combustion chamber, and the combustion chamber is equipped with to introduce the combustion of air
The air input of room is burnt, the flue gas output terminal of the combustion chamber is connected with the second input terminal of the heat exchanger, the heat exchange
Device is equipped with the tail gas output terminal of the heat exchanger for emission.
Preferably, the fuel cell subsystem include fuel cell pile, cooling water circulating pump, radiator and
Air inlet device；The hydrogen input terminal of the fuel cell pile connects with the hydrogen input terminal of the fuel cell subsystem
It connects；The air input of the fuel cell pile is connected with the first output terminal of the air inlet device, the fuel electricity
Pond pile is equipped with to discharge the tail gas output terminal of the fuel cell pile of cathode exhaust gas, and the of the air inlet device
Two output terminals are connected with the air input of the combustion chamber, and the air inlet device is equipped with to introduce the sky of air
The air input of gas inlet duct；
The output terminal of the cooling water circulating pump is connected with the cooling water input terminal of the fuel cell pile, the fuel
The cooling water output terminal of battery pile is connected with the input terminal of the radiator, the output terminal of the radiator and the cooling water
The input terminal connection of circulating pump.
Preferably, the fuel cell subsystem further includes humidifier, the hydrogen of the fuel cell subsystem
Input terminal connects the hydrogen input terminal of the fuel cell pile by the humidifier.
Preferably, the fuel cell subsystem further includes hydrogen gas circulating pump, the input of the hydrogen gas circulating pump
End is connected with the cycling output terminal of the fuel cell pile, the output terminal of the hydrogen gas circulating pump and the fuel cell pile
Hydrogen input terminal connection.
To sum up, a kind of methanol recapitalization fuel cell system provided by the invention, by the way that hydrogen buffering subsystem is connected to
Between methanol recapitalization subsystem and fuel cell subsystem, by hydrogen connecting line incessantly by methanol recapitalization subsystem controlling
The hydrogen obtained is delivered to fuel cell subsystem, and when the output power of fuel cell subsystem is less than predetermined power, hydrogen
Gas buffer unit stores hydrogen, to store extra hydrogen；When the output power of fuel cell subsystem is more than predetermined power,
Hydrogen buffering device discharges hydrogen to fuel cell subsystem, to ensure that fuel cell subsystem has enough hydrogen to supply, from
And the hydrogen supply of fuel cell is had adjusted, and then avoid the waste of hydrogen.Further, since methanol recapitalization of the present invention
System changes hydrogen generating quantity without the output power of fuel cell subsystem, therefore methanol recapitalization subsystem can be kept
Steady operation avoids frequent starting or stopping, so as to improve the stability of methanol recapitalization fuel cell system.
Description of the drawings
Fig. 1 is the structure diagram of the methanol recapitalization fuel cell system of the embodiment of the present invention one；
Fig. 2 is the structure diagram of another embodiment of the methanol recapitalization fuel cell system of the embodiment of the present invention one；
Fig. 3 is the control planning figure of the methanol recapitalization fuel cell system of the embodiment of the present invention one；
Fig. 4 is the structure diagram of the methanol recapitalization fuel cell system of the embodiment of the present invention two；
Fig. 5 is the control planning figure of the methanol recapitalization fuel cell system of the embodiment of the present invention two；
Wherein, 1, methanol recapitalization subsystem；11st, methanol aqueous solution tank；111st, the output terminal of methanol aqueous solution tank；12nd, into
Material pump；121st, the input terminal of feed pump；122nd, the output terminal of feed pump；13rd, heat exchanger；131st, the first input end of heat exchanger；
132nd, the second input terminal of heat exchanger；133rd, the first output terminal of heat exchanger；134th, the tail gas output terminal of heat exchanger；14th, burn
Room；141st, the first input end of combustion chamber；142nd, the air input of combustion chamber；143rd, the flue gas output terminal of combustion chamber；144、
Second input terminal of combustion chamber；15th, reformer；151st, the input terminal of reformer；152nd, the output terminal of reformer；16th, gas is reformed
Purifier；161st, the input terminal of gas purifier is reformed；162nd, the hydrogen output terminal of gas purifier is reformed；163rd, gas purifier is reformed
Tail gas output terminal；
2nd, hydrogen buffering subsystem；4th, hydrogen connecting line；41st, the input terminal of hydrogen connecting line；42nd, hydrogen connecting tube
The output terminal on road；5th, hydrogen buffering device；51st, the first booster pump；511st, the input terminal of the first booster pump；512nd, the first booster pump
Output terminal；52nd, the first surge tank；521st, the input terminal of the first surge tank；522nd, the output terminal of the first surge tank；53rd, second
Booster pump；531st, the input terminal of the second booster pump；532nd, the output terminal of the second booster pump；54th, low pressure buffer tank；541st, low pressure is delayed
Rush the input terminal of tank；542nd, the first output terminal of low pressure buffer tank；543rd, the second output terminal of low pressure buffer tank；55th, the 3rd increases
Press pump；551st, the input terminal of the 3rd booster pump；552nd, the output terminal of the 3rd booster pump；56th, high-pressure buffering pot；561st, high-pressure buffer
The input terminal of tank；562nd, the output terminal of high-pressure buffering pot；57th, the input terminal of hydrogen buffering device；58th, hydrogen buffering device is defeated
Outlet；6th, controller；
3rd, fuel cell subsystem；31st, fuel cell pile；311st, the hydrogen input terminal of fuel cell pile；312nd, fire
Expect the air input of battery pile；313rd, the tail gas output terminal of fuel cell pile；314th, the cooling water of fuel cell pile
Input terminal；315th, the cooling water output terminal of fuel cell pile；316th, the cycling output terminal of fuel cell pile；32nd, cooling water
Circulating pump；321st, the input terminal of cooling water circulating pump；322nd, the output terminal of cooling water circulating pump；33rd, radiator；331st, radiator
Input terminal；332nd, the output terminal of radiator；34th, air inlet device；341st, the air input of air inlet device；342、
First output terminal of air inlet device；343rd, the second output terminal of air inlet device；35th, humidifier；36th, hydrogen cycles
Pump；361st, the input terminal of hydrogen gas circulating pump；362nd, the output terminal of hydrogen gas circulating pump.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the scope of protection of the invention.
Embodiment one
With reference to shown in Fig. 1 to Fig. 3, a kind of methanol recapitalization fuel cell system of the preferred embodiment of the present invention, including methanol
Reform subsystem 1, hydrogen buffering subsystem 2 and fuel cell subsystem 3, the hydrogen output terminal of the methanol recapitalization subsystem 1
It is connected with the hydrogen input terminal of the hydrogen buffering subsystem 2, hydrogen output terminal and the combustion of the hydrogen buffering subsystem 2
Expect the hydrogen input terminal connection of battery subsystem 3；
The hydrogen buffering subsystem 2 includes hydrogen connecting line 4 and hydrogen buffering device 5, the hydrogen connecting line 4
Input terminal 41 be connected with the hydrogen input terminal of the hydrogen buffering subsystem 2, the output terminal 42 of the hydrogen connecting line 4 with
The hydrogen output terminal connection of the hydrogen buffering subsystem 2；The input terminal 57 of the hydrogen buffering device 5 and the hydrogen buffering
The hydrogen input terminal connection of subsystem 2, the hydrogen of the output terminal 58 of the hydrogen buffering device 5 and the hydrogen buffering subsystem 2
Gas output terminal connects；When the output power of the fuel cell subsystem 3 is less than predetermined power, the hydrogen buffering device 5
Store hydrogen；When the output power of the fuel cell subsystem 3 is more than predetermined power, the hydrogen buffering device 5 is to institute
It states fuel cell subsystem 3 and discharges hydrogen.
It is former to the work of methanol recapitalization fuel cell system provided in an embodiment of the present invention below with reference to shown in Fig. 1 to Fig. 3
Reason is described in detail：
When the output power of the fuel cell subsystem 3 is equal to predetermined power, the methanol recapitalization subsystem 1 is made
Hydrogen the fuel cell subsystem 3 is only delivered to by the hydrogen connecting line 4；
When the fuel cell subsystem 3 output power be less than predetermined power when (fuel cell subsystem 3
When load is smaller), a hydrogen part is delivered to institute by the hydrogen connecting line 4 made from the methanol recapitalization subsystem 1
Fuel cell subsystem 3 is stated, another part is stored by the hydrogen buffering device 5；
When the fuel cell subsystem 3 output power be more than predetermined power when (fuel cell subsystem 3
When loading larger), hydrogen made from the methanol recapitalization subsystem 1 is only delivered to the combustion by the hydrogen connecting line 4
Battery subsystem 3 is expected, in addition, the hydrogen that the hydrogen buffering device 5 is stored is discharged to the fuel cell subsystem 3.
In embodiments of the present invention, it is necessary to which explanation, the predetermined power is preferably the fuel cell subsystem 3
Rated power, certainly, the predetermined power can be set as other numerical value according to actual requirement, not do herein more
It repeats.
A kind of methanol recapitalization fuel cell system in the embodiment of the present invention, by the way that hydrogen buffering subsystem 2 is connected to
Between methanol recapitalization subsystem 1 and fuel cell subsystem 3, by hydrogen connecting line 4 incessantly by methanol recapitalization subsystem
Hydrogen made from system 1 is delivered to fuel cell subsystem 3, and when the output power of fuel cell subsystem 3 is less than default work(
During rate, hydrogen buffering device 5 stores hydrogen, to store extra hydrogen；When the output power of fuel cell subsystem 3 is more than in advance
If during power, hydrogen buffering device 5 discharges hydrogen to fuel cell subsystem 3, to ensure that it is enough that fuel cell subsystem 3 has
Hydrogen is supplied, and so as to have adjusted the hydrogen supply of fuel cell, and then avoids the waste of hydrogen.
With reference to shown in Fig. 1 to Fig. 3, in order to realize that the hydrogen buffering device 5 stores hydrogen or release hydrogen, the present embodiment
In the hydrogen buffering device 5 include the first booster pump 51 and the first surge tank 52, the input terminal of first booster pump 51
511 are connected with the input terminal 57 of the hydrogen buffering device 5, and the output terminal 512 of first booster pump 51 is slow with described first
The input terminal 521 for rushing tank 52 connects, the output terminal of the output terminal 522 of first surge tank 52 and the hydrogen buffering device 5
58 connections.It is connected by the input terminal 511 of first booster pump 51 with the input terminal 57 of the hydrogen buffering device 5, it is described
The output terminal 512 of first booster pump 51 is connected with the input terminal 521 of first surge tank 52, first surge tank 52 it is defeated
Outlet 522 is connected with the output terminal 58 of the hydrogen buffering device 5, to realize the storage hydrogen of hydrogen buffering device 5 or release
Put hydrogen；In addition, by 51 compression hydrogen of the first booster pump and store hydrogen to first surge tank 52, so as to
More hydrogen can be stored in first surge tank 52, so that when the output power of fuel cell subsystem 3 is more than
During predetermined power, first surge tank 52 has enough hydrogen to discharge to fuel cell subsystem 3, and then ensures described
The steady operation of methanol recapitalization fuel cell system.
In embodiments of the present invention, for the ease of controlling, first booster pump 51 starts or stops and described first delays
It rushes tank 52 and stores or discharge hydrogen, the methanol recapitalization fuel cell system in the present embodiment further includes controller 6, the control
Device 6 processed is electrically connected respectively with first booster pump 51, first surge tank 52 and the fuel cell subsystem 3.Work as institute
When stating the output power of fuel cell subsystem 3 less than predetermined power, the controller 6 controls first booster pump 51 to open
Dynamic, the controller 6 controls first surge tank 52 to store hydrogen, and extra hydrogen is stored；When the fuel
When the output power of battery subsystem 3 is more than predetermined power, the controller 6 controls first booster pump 51 to stop, described
Controller 6 controls first surge tank 52 to discharge hydrogen to the fuel cell subsystem 3, to ensure fuel cell
The normal work of system 3.By the controller 6 respectively with first booster pump 51, first surge tank 52 and described
Fuel cell subsystem 3 is electrically connected, in order to first booster pump 51 be controlled to start or stop and first surge tank
52 storages or release hydrogen, so as to improve the degree of automation of the methanol recapitalization fuel cell system.
With reference to shown in Fig. 1 to Fig. 3, hydrogen is exported to the hydrogen buffering subsystem 2 in order to realize, in the present embodiment
The methanol recapitalization subsystem 1 includes methanol aqueous solution tank 11, feed pump 12, heat exchanger 13, combustion chamber 14, reformer 15 and again
Whole gas purifier 16, the combustion chamber 14 are disposed adjacent with the reformer 15；
The output terminal 111 of the methanol aqueous solution tank 11 is connected with the input terminal 121 of the feed pump 12, the feed pump
12 output terminal 122 is connected with the first input end 131 of the heat exchanger 13, and the first output terminal 133 of the heat exchanger 13 divides
Input terminal 151 not with the first input end 141 of the combustion chamber 14 and the reformer 15 is connected, the reformer 15 it is defeated
Outlet 152 is connected with the input terminal 161 of the reformation gas purifier 16, the hydrogen output terminal 162 for reforming gas purifier 16
Be connected with the hydrogen output terminal of the methanol recapitalization subsystem 1, the tail gas output terminal 163 for reforming gas purifier 16 with it is described
Second input terminal 144 of combustion chamber 14 connects, and the combustion chamber 14 is equipped with to introduce the air of the combustion chamber 14 of air
Input terminal 142, the flue gas output terminal 143 of the combustion chamber 14 is connected with the second input terminal 132 of the heat exchanger 13, described to change
Hot device 13 is equipped with the tail gas output terminal 134 of the heat exchanger 13 for emission.By setting the feed pump 12 by institute
It states the methanol in methanol aqueous solution tank 11 to extract to the heat exchanger 13, so that the flue gas output terminal 143 of the combustion chamber 14
Methanol in the high-temperature flue gas heat exchanging device 13 of discharge is heated, and pass through the combustion chamber 14 for methanol in the reformer
15 hydrogen manufacturing provide heat, then extract hydrogen by the reformation gas purifier 16, are exported so as to fulfill by hydrogen to the hydrogen
Gas buffers subsystem 2；In addition, tail gas (a small amount of hydrogen and an oxygen that the tail gas output terminal 163 for reforming gas purifier 16 is discharged
Change carbon etc.) it is burnt by the second input terminal 144 of the combustion chamber 14 into the combustion chamber 14.
With reference to shown in Fig. 1 to Fig. 3, in order to realize that the fuel cell subsystem 3 can utilize hydrogen to power, the present embodiment
In the fuel cell subsystem 3 include fuel cell pile 31, cooling water circulating pump 32, radiator 33 and air inlet dress
Put 34；The hydrogen input terminal 311 of the fuel cell pile 31 is connected with the hydrogen input terminal of the fuel cell subsystem 3；
The air input 312 of the fuel cell pile 31 is connected with the first output terminal 342 of the air inlet device 34, described
Fuel cell pile 31 is equipped with to discharge the tail gas output terminal 313 of the fuel cell pile 31 of cathode exhaust gas, the sky
The second output terminal 343 of gas inlet duct 34 is connected with the air input 142 of the combustion chamber 14, the air inlet device
34 are equipped with to introduce the air input 341 of the air inlet device 34 of air；
The output terminal 322 of the cooling water circulating pump 32 and the cooling water input terminal 314 of the fuel cell pile 31 connect
It connects, the cooling water output terminal 315 of the fuel cell pile 31 is connected with the input terminal 331 of the radiator 33, the heat dissipation
The output terminal 332 of device 33 is connected with the input terminal 321 of the cooling water circulating pump 32.It is by air inlet device 34 that air is defeated
Send to the fuel cell pile 31, with ensure the fuel cell pile 31 can by the chemical reaction of air and hydrogen come
Power supply；The fuel cell pile 31 is cooled down by the cooling water circulating pump 32 and radiator 33, to take away the fuel electricity
The heat generated in 31 operational process of pond pile.
With reference to shown in Fig. 1 to Fig. 3, in order to ensure the fuel cell pile 31 can work normally, the fuel cell
Subsystem 3 further includes humidifier 35, and the hydrogen input terminal of the fuel cell subsystem 3 is connected described by the humidifier 35
The hydrogen input terminal 311 of fuel cell pile 31.By setting the humidifier 35, fuel cell is delivered to improve
The humidity of the hydrogen of system 3 ensures that the fuel cell pile 31 can work normally.
With reference to shown in Fig. 1 to Fig. 3, in order to be further reduced the waste of hydrogen, the fuel cell in the present embodiment
System 3 further includes hydrogen gas circulating pump 36, the cycling of the input terminal 361 of the hydrogen gas circulating pump 36 and the fuel cell pile 31
Output terminal 316 connects, the hydrogen input terminal 311 of the output terminal 362 of the hydrogen gas circulating pump 36 and the fuel cell pile 31
Connection.The complete hydrogen of unreacted is delivered to the fuel cell pile 31 again by the hydrogen gas circulating pump 36 to carry out instead
Should, to be further reduced the waste of hydrogen.
It is former to the work of methanol recapitalization fuel cell system provided in an embodiment of the present invention below with reference to shown in Fig. 1 to Fig. 3
Reason is described in detail：
When the output power of the fuel cell subsystem 3 is equal to predetermined power, the methanol recapitalization subsystem 1 is made
Hydrogen the fuel cell subsystem 3 is only delivered to by the hydrogen connecting line 4；
When the fuel cell subsystem 3 output power be less than predetermined power when (fuel cell subsystem 3
When load is smaller), start first booster pump 51, a hydrogen part made from the methanol recapitalization subsystem 1 passes through described
Hydrogen connecting line 4 is delivered to the fuel cell subsystem 3, and another part is described by entering after first booster pump 51
First surge tank 52 stores；
When the fuel cell subsystem 3 output power be more than predetermined power when (fuel cell subsystem 3
When loading larger), stop first booster pump 51, hydrogen made from the methanol recapitalization subsystem 1 only passes through the hydrogen
Connecting line 4 is delivered to the fuel cell subsystem 3, in addition, the hydrogen that first surge tank 52 is stored discharge to
The fuel cell subsystem 3.
Embodiment two
With reference to shown in Fig. 4 and Fig. 5, the methanol recapitalization fuel cell system of the present embodiment and embodiment one difference lies in,
The hydrogen buffering subsystem 2 of the present embodiment further includes the second booster pump 53 and low pressure buffer tank 54, hydrogen buffering
The hydrogen input terminal of system 2 connects the hydrogen connecting line 4 by second booster pump 53 and the low pressure buffer tank 54
Input terminal 41, the hydrogen input terminal of the hydrogen buffering subsystem 2 passes through second booster pump 53 and the low pressure buffer
Tank 54 connects the input terminal 57 of the hydrogen buffering device 5；
Specifically, the hydrogen input terminal of the hydrogen buffering subsystem 2 and the input terminal 531 of second booster pump 53 connect
It connects, the output terminal 532 of second booster pump 53 is connected with the input terminal 541 of the low pressure buffer tank 54, the low pressure buffer
First output terminal 542 of tank 54 is connected with the input terminal 41 of the hydrogen connecting line 4, and the second of the low pressure buffer tank 54 is defeated
Outlet 543 is connected with the input terminal 57 of the hydrogen buffering device 5.
The present invention is that the hydrogen input terminal of the hydrogen buffering subsystem 2 in embodiment passes through second booster pump 53
The input terminal 41 of the hydrogen connecting line 4 is connected with the low pressure buffer tank 54, the hydrogen of the hydrogen buffering subsystem 2 is defeated
Enter the input terminal 57 that end connects the hydrogen buffering device 5 by second booster pump 53 and the low pressure buffer tank 54, with
More hydrogen can be stored convenient for the hydrogen buffering device 5, so that when the output power of fuel cell subsystem 3
When predetermined power, the hydrogen buffering device 5 has enough hydrogen to discharge to fuel cell subsystem 3, and then ensures
The steady operation of the methanol recapitalization fuel cell system.
With reference to shown in Fig. 4 and Fig. 5, in order to realize that the hydrogen buffering device 5 stores hydrogen or release hydrogen, the hydrogen
Buffer unit 5 includes the 3rd booster pump 55 and high-pressure buffering pot 56, input terminal 551 and the hydrogen of the 3rd booster pump 55
The input terminal 57 of buffer unit 5 connects, the output terminal 552 of the 3rd booster pump 55 and the input terminal of the high-pressure buffering pot 56
561 connections, the output terminal 562 of the high-pressure buffering pot 56 are connected with the output terminal 58 of the hydrogen buffering device 5.By described
The input terminal 551 of 3rd booster pump 55 is connected with the input terminal 57 of the hydrogen buffering device 5, the 3rd booster pump 55 it is defeated
Outlet 552 is connected with the input terminal 561 of the high-pressure buffering pot 56, output terminal 562 and the hydrogen of the high-pressure buffering pot 56
The output terminal 58 of gas buffer unit 5 connects, to realize that the hydrogen buffering device 5 stores hydrogen or release hydrogen；In addition, pass through
3rd booster pump, 55 compression hydrogen simultaneously stores hydrogen to the high-pressure buffering pot 56, in order to the high-pressure buffering pot
56 can store more hydrogen, so that when the output power of fuel cell subsystem 3 is more than predetermined power, the height
Pressure surge tank 56 has enough hydrogen to discharge to fuel cell subsystem 3, and then ensures the methanol recapitalization fuel cell
The steady operation of system.
In embodiments of the present invention, started or stoped for the ease of controlling described second to be pressurized with the 3rd booster pump 55
And the low pressure buffer tank 54 and the high-pressure buffering pot 56 store or discharge hydrogen, the methanol recapitalization fuel cell system
Controller 6 is further included, the controller 6 is pressurized respectively with second booster pump 53, the low pressure buffer tank 54, the described 3rd
Pump 55, the high-pressure buffering pot 56 and the fuel cell subsystem 3 are electrically connected.When the output of the fuel cell subsystem 3
When power is less than predetermined power, the controller 6 controls the 3rd booster pump 55 to start, and the controller 6 controls the height
Surge tank 56 is pressed to store hydrogen, extra hydrogen is stored；When the output power of the fuel cell subsystem 3 is more than
During predetermined power, the controller 6 controls the 3rd booster pump 55 to stop, and the controller 6 controls the high-pressure buffering pot
56 discharge hydrogen to the fuel cell subsystem 3, to ensure the normal work of the fuel cell subsystem 3.By described
Controller 6 respectively with second booster pump 53, the low pressure buffer tank 54, the 3rd booster pump 55, the high-pressure buffer
Tank 56 and the fuel cell subsystem 3 are electrically connected, in order to which second supercharging and the 3rd booster pump 55 is controlled to start
Or stop and the low pressure buffer tank 54 and the high-pressure buffering pot 56 store or discharge hydrogen, so as to improve the methanol
The degree of automation of reforming fuel cell system.
It is former to the work of methanol recapitalization fuel cell system provided in an embodiment of the present invention below with reference to shown in Fig. 4 and Fig. 5
Reason is described in detail：
Start second booster pump 53 and the low pressure buffer tank 54；
When the output power of the fuel cell subsystem 3 is equal to predetermined power, the methanol recapitalization subsystem 1 is made
Hydrogen by second booster pump 53 and the low pressure buffer tank 54 after, then be delivered to by the hydrogen connecting line 4
The fuel cell subsystem 3；
When the fuel cell subsystem 3 output power be less than predetermined power when (fuel cell subsystem 3
When load is smaller), start the 3rd booster pump 55, hydrogen increases by described second made from the methanol recapitalization subsystem 1
After press pump 53 and the low pressure buffer tank 54, a part is delivered to the fuel cell subsystem by the hydrogen connecting line 4
System 3, another part after the 3rd booster pump 55 into the high-pressure buffering pot 56 by storing；
When the fuel cell subsystem 3 output power be more than predetermined power when (fuel cell subsystem 3
When loading larger), stop the 3rd booster pump 55, hydrogen increases by described second made from the methanol recapitalization subsystem 1
After press pump 53 and the low pressure buffer tank 54, then the fuel cell subsystem 3 is delivered to by the hydrogen connecting line 4；
In addition, the hydrogen that the high-pressure buffering pot 56 is stored is discharged to the fuel cell subsystem 3.
The other structures and operation principle of the present embodiment are identical with embodiment one, do not do more repeating herein.
To sum up, a kind of methanol recapitalization fuel cell system provided in an embodiment of the present invention, by by hydrogen buffering subsystem 2
It is connected between methanol recapitalization subsystem 1 and fuel cell subsystem 3, by hydrogen connecting line 4 incessantly by methanol weight
Hydrogen made from whole subsystem 1 is delivered to fuel cell subsystem 3, and when the output power of fuel cell subsystem 3 is less than
During predetermined power, hydrogen buffering device 5 stores hydrogen, to store extra hydrogen；When the output power of fuel cell subsystem 3
During more than predetermined power, hydrogen buffering device 5 discharges hydrogen to fuel cell subsystem 3, to ensure that fuel cell subsystem 3 has
Enough hydrogen supplies, so as to have adjusted the hydrogen supply of fuel cell, and then avoid the waste of hydrogen.Further, since
The methanol recapitalization subsystem 1 of the present invention changes hydrogen generating quantity, therefore first without the output power of fuel cell subsystem 3
Alcohol reforming subsystem 1 can keep steady operation, avoid frequent starting or stopping, so as to improve methanol recapitalization fuel cell
The stability of system.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of methanol recapitalization fuel cell system, which is characterized in that including methanol recapitalization subsystem, hydrogen buffering subsystem and
Fuel cell subsystem, the hydrogen input terminal of the hydrogen output terminal of the methanol recapitalization subsystem and the hydrogen buffering subsystem
Connection, the hydrogen output terminal of the hydrogen buffering subsystem are connected with the hydrogen input terminal of the fuel cell subsystem；
The hydrogen buffering subsystem includes hydrogen connecting line and hydrogen buffering device, the input terminal of the hydrogen connecting line
It is connected with the hydrogen input terminal of the hydrogen buffering subsystem, output terminal and the hydrogen buffering of the hydrogen connecting line
The hydrogen output terminal connection of system；The hydrogen input terminal of the input terminal of the hydrogen buffering device and the hydrogen buffering subsystem
Connection, the output terminal of the hydrogen buffering device are connected with the hydrogen output terminal of the hydrogen buffering subsystem；When the fuel
When the output power of battery subsystem is less than predetermined power, the hydrogen buffering device stores hydrogen；When fuel cell
When the output power of system is more than predetermined power, the hydrogen buffering device discharges hydrogen to the fuel cell subsystem.
2. methanol recapitalization fuel cell system as described in claim 1, which is characterized in that the hydrogen buffering device includes the
One booster pump and the first surge tank, the input terminal of first booster pump are connected with the input terminal of the hydrogen buffering device, institute
The output terminal for stating the first booster pump is connected with the input terminal of first surge tank, the output terminal of first surge tank with it is described
The output terminal connection of hydrogen buffering device.
3. methanol recapitalization fuel cell system as claimed in claim 2, which is characterized in that the methanol recapitalization fuel cell system
System further includes controller, and the controller is sub with first booster pump, first surge tank and the fuel cell respectively
System is electrically connected.
4. methanol recapitalization fuel cell system as described in claim 1, which is characterized in that the hydrogen buffering subsystem also wraps
The second booster pump and low pressure buffer tank are included, the hydrogen input terminal of the hydrogen buffering subsystem passes through second booster pump and institute
The input terminal that low pressure buffer tank connects the hydrogen connecting line is stated, the hydrogen input terminal of the hydrogen buffering subsystem passes through institute
State the input terminal that the second booster pump connects the hydrogen buffering device with the low pressure buffer tank；
Specifically, the hydrogen input terminal of the hydrogen buffering subsystem is connected with the input terminal of second booster pump, and described
The output terminal of two booster pumps is connected with the input terminal of the low pressure buffer tank, the first output terminal of the low pressure buffer tank with it is described
The input terminal connection of hydrogen connecting line, the second output terminal of the low pressure buffer tank and the input terminal of the hydrogen buffering device
Connection.
5. methanol recapitalization fuel cell system as claimed in claim 4, which is characterized in that the hydrogen buffering device includes the
Three booster pumps and high-pressure buffering pot, the input terminal of the 3rd booster pump are connected with the input terminal of the hydrogen buffering device, institute
The output terminal for stating the 3rd booster pump is connected with the input terminal of the high-pressure buffering pot, the output terminal of the high-pressure buffering pot with it is described
The output terminal connection of hydrogen buffering device.
6. methanol recapitalization fuel cell system as claimed in claim 5, which is characterized in that the methanol recapitalization fuel cell system
System further includes controller, the controller respectively with second booster pump, the low pressure buffer tank, the 3rd booster pump,
The high-pressure buffering pot and fuel cell subsystem electrical connection.
7. such as claim 1-6 any one of them methanol recapitalization fuel cell systems, which is characterized in that methanol recapitalization
System includes methanol aqueous solution tank, feed pump, heat exchanger, combustion chamber, reformer and reforms gas purifier, the combustion chamber and institute
Reformer is stated to be disposed adjacent；
The output terminal of the methanol aqueous solution tank is connected with the input terminal of the feed pump, the output terminal of the feed pump with it is described
The first input end connection of heat exchanger, the first output terminal of the heat exchanger respectively with the first input end of the combustion chamber and institute
The input terminal connection of reformer is stated, the output terminal of the reformer is connected with the input terminal of the reformation gas purifier, described heavy
The hydrogen output terminal of whole gas purifier is connected with the hydrogen output terminal of the methanol recapitalization subsystem, the reformation gas purifier
Tail gas output terminal is connected with the second input terminal of the combustion chamber, and the combustion chamber is equipped with to introduce the combustion chamber of air
Air input, the flue gas output terminal of the combustion chamber is connected with the second input terminal of the heat exchanger, and the heat exchanger is set
It is useful for the tail gas output terminal of the heat exchanger of emission.
8. methanol recapitalization fuel cell system as claimed in claim 7, which is characterized in that the fuel cell subsystem includes
Fuel cell pile, cooling water circulating pump, radiator and air inlet device；The hydrogen input terminal of the fuel cell pile with
The hydrogen input terminal connection of the fuel cell subsystem；The air input of the fuel cell pile and the air inlet
The first output terminal connection of device, the fuel cell pile are equipped with to discharge the fuel cell pile of cathode exhaust gas
Tail gas output terminal, the second output terminal of the air inlet device are connected with the air input of the combustion chamber, the air
Inlet duct is equipped with to introduce the air input of the air inlet device of air；
The output terminal of the cooling water circulating pump is connected with the cooling water input terminal of the fuel cell pile, the fuel cell
The cooling water output terminal of pile is connected with the input terminal of the radiator, the output terminal of the radiator and the cooling water circulation
The input terminal connection of pump.
9. methanol recapitalization fuel cell system as claimed in claim 8, which is characterized in that the fuel cell subsystem is also wrapped
Humidifier is included, the hydrogen input terminal of the fuel cell subsystem connects the hydrogen of the fuel cell pile by the humidifier
Gas input terminal.
10. methanol recapitalization fuel cell system as claimed in claim 8, which is characterized in that the fuel cell subsystem is also
Including hydrogen gas circulating pump, the input terminal of the hydrogen gas circulating pump is connected with the cycling output terminal of the fuel cell pile, described
The output terminal of hydrogen gas circulating pump is connected with the hydrogen input terminal of the fuel cell pile.
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| CN201810029874.8A CN108110281A (en) | 2018-01-10 | 2018-01-10 | A kind of methanol recapitalization fuel cell system |
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| CN201810029874.8A CN108110281A (en) | 2018-01-10 | 2018-01-10 | A kind of methanol recapitalization fuel cell system |
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| CN112599816A (en) * | 2020-12-08 | 2021-04-02 | 一汽解放汽车有限公司 | Commercial vehicle for methanol reforming hydrogen production fuel cell |
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