CN101572323A - Fuel cell generating system and heat regulating system thereof - Google Patents
Fuel cell generating system and heat regulating system thereof Download PDFInfo
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- CN101572323A CN101572323A CNA200810095584XA CN200810095584A CN101572323A CN 101572323 A CN101572323 A CN 101572323A CN A200810095584X A CNA200810095584X A CN A200810095584XA CN 200810095584 A CN200810095584 A CN 200810095584A CN 101572323 A CN101572323 A CN 101572323A
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- heat
- fuel cell
- reaction unit
- exchange device
- cell pack
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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 invention relates to a fuel cell generating system and a heat regulating system thereof. When the fuel cell generating system is started, the heat energy generated by reaction of fuel in a recombination module is transferred to a heat medium through a heat exchanging device, thus the heat energy of the recombination module can be recovered; and then, the heat energy of the heat medium is transferred to a fuel cell stack by the circulation of the heat medium between the heat exchanging device and the fuel cell stack, thus the heat energy of the recombination module can be used for preheating the fuel cell stack, therefore, the temperature of the fuel cell stack can rise to the operating temperature without consuming extra electric energy.
Description
Technical field
The invention relates to a kind of fuel cell generation and heat regulating system thereof, refer in particular to a kind of fuel cell generation and heat regulating system thereof that reclaims heat energy that be applicable to.
Background technology
In recent years, the energy of instead of gasoline is found in people's expectation, so pour into many The Study on Resources on the manufacturing technology of fuel cell generation.General traditional fuel cell generation mainly comprises a fuel cell pack (Fuel Cell Stack) and a reformer (Reformer).Fuel can produce hydrogen after feeding reformer, hydrogen is imported produce chemical energy-electric energy conversion reaction in the fuel cell pack and produce electric power.Yet, when this kind fuel cell start-up, need be provided with an electric heating piece, and need provide electric heating piece electric power with to the fuel cell pack heating, thereby make the temperature of fuel cell pack arrive working temperature at the contiguous place of fuel cell pack.Therefore, the bigger power-supply unit of power must be set so that electric power to be provided in the fuel cell generation.Yet the electric energy major part that the power-supply unit that power is bigger can make fuel cell pack produce all consumes at this, causes waste of electric energy.
In order to reach more diversified purposes demand, therefore, reducing fuel cell peripheral assembly power consumption is the important topic that its desire solves.
Summary of the invention
The object of the present invention is to provide a kind of fuel cell generation and heat regulating system thereof, can reclaim the heat energy of recombination module.
Another object of the present invention is to provide a kind of fuel cell generation and heat regulating system thereof, with the heat energy heating fuel battery pile that can utilize recombination module to operating temperature.
A further object of the present invention is to provide a kind of fuel cell generation and heat regulating system thereof, with the power consumption of energy fuel saving battery generating system.
A further object of the present invention is to provide a kind of fuel cell generation and heat regulating system thereof, can reduce the volume of system.
For achieving the above object, fuel cell generation provided by the invention comprises: a fuel cell pack, a recombination module, a heat-exchange device, a pipeline and a thermal medium.Recombination module is to be connected in fuel cell pack, and the position of heat-exchange device is to be adjacent to recombination module, and pipeline is to be connected between heat-exchange device and the fuel cell pack, and thermal medium is to circulate in pipeline.Wherein, thermal medium provides the heat energy of heat-exchange device to fuel cell pack.
For achieving the above object, the present invention provides a kind of heat regulating system in addition, is applicable to the temperature of regulating a fuel cell pack, comprising: a heat-exchange device, a pipeline and a thermal medium.Heat-exchange device is adjacent to a recombination module, and pipeline is connected between heat-exchange device and the fuel cell pack, and thermal medium is to circulate in pipeline, and thermal medium provides fuel cell pack with the heat energy of heat-exchange device.
Above-mentioned recombination module carries out chemical reaction with a fuel by chemical catalyst and produces fuel cell pack and carry out chemical energy-electric energy and change needed hydrogen, so fuel cell pack is converted to electric energy with the chemical energy of hydrogen.The kind of above-mentioned fuel cell pack and indefinite are preferably high-temperature fuel cell, are more preferred from high temperature proton exchange film fuel cell.
The form kind of recombination module is indefinite also, be preferably comprise a self-heating recombining reaction unit, a high-temperature water transfer reaction unit, an and heat accumulating type oxidation reaction unit, high-temperature water transfer reaction unit can be connected in self-heating recombining reaction unit, and heat accumulating type oxidation reaction unit between.Self-heating recombining reaction unit, high-temperature water transfer reaction unit, and the structure of heat accumulating type oxidation reaction unit be indefinite, be preferably on metal or ceramic bee slot shape carrier and be coated with specific catalyst, again the structure that coats with stainless steel tube.
Above-mentioned heat-exchange device can be arranged at the outside of contiguous recombination module or it is inner, and when passing through heat-exchange device in the cyclic process of above-mentioned thermal medium in pipeline, the heat energy that then can absorb heat-exchange device is to bring it into fuel cell pack.When heat-exchange device is when being arranged at recombination module inside, it can install into same module with recombination module, and be preferably and be arranged between high-temperature water transfer reaction unit and the heat accumulating type oxidation reaction unit, promote the temperature of heat-exchange device with the heat energy that utilizes rear end, high-temperature water transfer reaction unit, more and then via the temperature of the circularly enhancing fuel cell pack of thermal medium to operating temperature.When heat-exchange device is when being arranged at the recombination module outside, it can be arranged at the rear of heat accumulating type oxidation reaction unit, promote the temperature of heat-exchange device with the heat energy that utilizes rear end, heat accumulating type oxidation reaction unit, more and then via the temperature of the circularly enhancing fuel cell pack of thermal medium to operating temperature.
Above-mentioned heat-exchange device can be the heat-exchange device of arbitrary form, is preferably plate-type exchanger or shell and tube heat exchanger.When it was shell and tube heat exchanger, housing parts can be used as the circulation of thermal medium, and siphunculus partly can be used as the pipeline that reorganization gas is passed through.The kind of above-mentioned thermal medium is indefinite also, is preferably refrigerant, and it can drive its circulation by a pump, and pump can be arranged at the pipeline arbitrary position in the path of passing through.
Therefore, when above-mentioned fuel cell generation started, fuel reacted and the heat energy that produces is able to pass to thermal medium via heat-exchange device at recombination module, and can reclaim the heat energy of recombination module.Afterwards, circulate between heat-exchange device and fuel cell pack via thermal medium again, with the thermal energy transfer of thermal medium to fuel cell pack, and can utilize the heat energy pre-heating fuel battery pile of recombination module.Therefore make the temperature of fuel cell pack be increased to operating temperature, and need not to expend additional electrical energy.This kind fuel cell generation need not dispose high-power power supply unit, thereby reduces waste of electric energy.
Description of drawings
Fig. 1 is the fuel cell generation Organization Chart of the present invention's first preferred embodiment.
Fig. 2 is the fuel cell generation Organization Chart of the present invention's second preferred embodiment.
Fig. 3 is the fuel cell generation Organization Chart of the present invention's the 3rd preferred embodiment.
Embodiment
Please refer to Fig. 1, it shows the fuel cell generation framework of the present invention's first preferred embodiment.As shown in FIG., fuel cell generation 1 comprises a fuel bath 11, a recombination module 12, a fuel cell pack (Fuel Cell Stack) 13, one heat-exchange device 14, a cooling medium tank 15, a pump 16, reaches a pipeline 17.Have fuel in the fuel bath 11, and with recombination module 12 between be to be connected by a cartridge (not shown), input to recombination module 12 for fuel.Heat-exchange device 14 is the outsides that are arranged at contiguous recombination module 12, and in the present embodiment, heat-exchange device 14 is plate-type exchangers.There is refrigerant in the cooling medium tank 15, and has a pipeline 17 to be arranged between heat-exchange device 14 and the fuel cell pack 13.Cooling medium tank 15 and pump 16 are to be arranged in pipeline 17 routes.Heat-exchange device 14, cooling medium tank 15, pump 16 and pipeline 17 constitute a heat regulating system.When pump 16 starts, refrigerant is to circulate in pipeline 17, among this figure is to represent the circulation moving-wire of refrigerant in pipeline 17 with arrow.
Fuel produces the self-heating recombining reaction in self-heating recombining reaction unit 121, its key reaction formula is as follows:
C
mH
nO
x+H
2O+O
2→CO+CO
2+H
2
Its operating temperature is 350～550 ℃, comprises the steam reorganization endothermic reaction and partial oxidation exothermic reaction in this reaction, to reach the equilibrium of supply and demand of heat energy.At this, it is hydrogen that reaction produces one of thing, and it changes needed gas for present embodiment fuel cell pack 13 carries out chemical energy-electric energy.
Fuel produces the high-temperature water transfer reaction in high-temperature water transfer reaction unit 122, its key reaction formula is as follows:
CO+H
2O→CO
2+H
2
Its operating temperature is between 250～300 ℃.High-temperature water transfer reaction unit 122 main functions are that the carbon monoxide in fuel concentration through 121 reactions of self-heating recombining reaction unit is reduced, and are that it is reduced to below 0.5% in the present embodiment.Its reason is the electrode that the carbon monoxide of high concentration can damage fuel cell pack 13, therefore, is to be rich in hydrogen composition and harmless fuel cell pack 13 electrodes at the fuel of handling through high-temperature water transfer reaction unit 122.
Fuel produces the heat accumulating type oxidation reaction in heat accumulating type oxidation reaction unit 123, its key reaction formula is:
C
mH
nO
x+O
2→CO
2+H
2O
CO+1/2O
2→CO
2
H
2+1/2O
2→H
2O
Its operating temperature is between 500～550 ℃.The main function of fuel in heat accumulating type oxidation reaction unit 123 is to make reorganization gas and the air generation burning of carrying out chemical energy-electric energy conversion reaction through fuel cell pack 13, with remaining hydrogen, carbon monoxide and the propellant composition approach exhaustion that this reorganization gas is included.
Yet on the border that this fuel cell generation 1 starts, fuel at first is to be imported in the self-heating recombining reaction unit 121 of recombination module 12, as in Fig. 1 with the represented path of center line.Thereafter, will feed in regular turn through the fuel of hot type recombining reaction unit 121 reaction high-temperature water transfer reaction unit 122 and heat accumulating type oxidation reaction unit 123 after, with fuel draining in heat-exchange device 14 1 sides to reclaim the heat energy of recombination module 12.At this moment, the temperature of fuel is at 250 ℃ approximately, and fuel and refrigerant are respectively in the relative side flow of plate-type exchanger.Therefore the refrigerant of heat-exchange device 14 of flowing through is received the heat energy of fuel, and by the circulation of refrigerant this heat energy is provided to fuel cell pack 13, thereby utilizes the heat energy pre-heating fuel battery pile 13 of recombination module 12.In the present embodiment, the operating temperature interval of fuel cell pack 13 is 120～180 ℃, and it can absorb the heat energy that refrigerant carries and rise to operating temperature, and therefore need not to consume additional electrical energy gets final product preheating.
After the temperature of fuel cell pack 13 rises to operating temperature, then control the path of glide path for indicating of fuel as dotted line among the figure.After handling through self-heating recombining reaction unit 121 and high-temperature water transfer reaction unit 122 after making fuel formerly, the fuel that is rich in the anxiety of harmless again fuel cell pack 13 electrodes of hydrogen provided to fuel cell pack 13 carry out the reaction of chemical energy-electric energy conversion with generating.After fuel cell pack 13 reactions, multiple fuel is imported in the heat accumulating type oxidation reaction unit 123 burnt.
Embodiment 2
Please refer to Fig. 2, it shows the fuel cell generation framework of the present invention's second preferred embodiment.As shown in FIG., present embodiment and the different part of a last embodiment are: the heat-exchange device 14 of present embodiment is to be same module with recombination module 12 installings, and its position is arranged between high-temperature water transfer reaction unit 122 and the heat accumulating type oxidation reaction unit 123.Therefore, when starting the fuel cell generation 1 of present embodiment, fuel promptly is fed to heat-exchange device 14 after process self-heating recombining reaction unit 121 and 122 processing of high-temperature water transfer reaction unit in regular turn.At this moment, the temperature of fuel is about about 310 ℃.Secondly, the heat-exchange device 14 of present embodiment is a shell and tube heat exchanger, and it is to feed refrigerant at housing parts, and partly is to feed fuel at siphunculus, and the heat energy of fuel is able to be passed to fuel cell pack 13 by refrigerant.Therefore, present embodiment really can reach the as above effect of an embodiment.
Embodiment three
Please refer to Fig. 3, it shows the fuel cell generation framework of the present invention's the 3rd preferred embodiment.As shown in FIG., present embodiment and the different part of a last embodiment are: the heat-exchange device 14 of present embodiment is the rear that is installed in heat accumulating type oxidation reaction unit 123, to reclaim the heat energy through heat accumulating type oxidation reaction unit 123 reactive fuel.Fuel its temperature after 123 processing of heat accumulating type oxidation reaction unit is about 500 ℃ approximately, therefore can more quicken starting fluid battery pile 13.
By can learning in above-mentioned, fuel cell generation of the present invention is when starting, and fuel is to react and the heat energy that produces at recombination module earlier, and passes to thermal medium via heat-exchange device, and can reclaim the heat energy of recombination module.Afterwards, circulate between heat-exchange device and fuel cell pack via thermal medium again, with the thermal energy transfer of thermal medium to fuel cell pack, and can utilize the heat energy pre-heating fuel battery pile of recombination module.Therefore make the temperature of fuel cell pack be increased to operating temperature, and need not to expend additional electrical energy.In addition, fuel cell generation of the present invention needs electric weight to reduce, so need not to be provided with high-power power supply unit, therefore reducing it takies volume.
The foregoing description is only given an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (15)
1, a kind of fuel cell generation comprises:
One fuel cell pack;
One recombination module is connected in this fuel cell pack;
One heat-exchange device is adjacent to this recombination module;
One pipeline is connected between this heat-exchange device and this fuel cell pack; And
One thermal medium circulates in this pipeline;
Wherein, this thermal medium provides the heat energy of this heat-exchange device to this fuel cell pack.
2, fuel cell generation as claimed in claim 1, wherein, this recombination module comprises a self-heating recombining reaction unit, a high-temperature water transfer reaction unit, an and heat accumulating type oxidation reaction unit, this high-temperature water transfer reaction unit be connected in this self-heating recombining reaction unit, and this heat accumulating type oxidation reaction unit between.
3, fuel cell generation as claimed in claim 1, wherein, this heat-exchange device is to install into same module with this recombination module.
4, fuel cell generation as claimed in claim 1, wherein, this thermal medium is a refrigerant.
5, fuel cell generation as claimed in claim 1 wherein, comprises that a pump circulates between this heat-exchange device and this fuel cell pack to drive this heating agent, and this pump is to be arranged in this pipeline.
6, fuel cell generation as claimed in claim 1 wherein, comprises a thermal medium storage element, and it is arranged in this pipeline.
7, a kind of heat regulating system is applicable to the temperature of regulating a fuel cell pack, comprising:
One heat-exchange device is adjacent to a recombination module;
One pipeline is connected between this heat-exchange device and this fuel cell pack; And
One thermal medium circulates in this pipeline;
Wherein, this thermal medium provides the heat energy of this heat-exchange device to this fuel cell pack.
8, heat regulating system as claimed in claim 7, wherein, this recombination module comprises a self-heating recombining reaction unit, a high-temperature water transfer reaction unit, an and heat accumulating type oxidation reaction unit, this high-temperature water transfer reaction unit be connected in this self-heating recombining reaction unit, and this heat accumulating type oxidation reaction unit between.
9, heat regulating system as claimed in claim 7, wherein, this heat-exchange device is to install into same module with this recombination module.
10, heat regulating system as claimed in claim 8, wherein, this heat-exchange device is to be arranged between this high-temperature water transfer reaction unit and this heat accumulating type oxidation reaction unit.
11, heat regulating system as claimed in claim 8, wherein, this heat-exchange device is the rear that is arranged at this heat accumulating type oxidation reaction unit.
12, heat regulating system as claimed in claim 7, wherein, this heat-exchange device is plate-type exchanger or shell and tube heat exchanger.
13, heat regulating system as claimed in claim 7, wherein, this thermal medium is a refrigerant.
14, heat regulating system as claimed in claim 7 wherein, comprises that a pump circulates between this heat-exchange device and this fuel cell pack to drive this heating agent, and this pump is to be arranged in this pipeline.
15, heat regulating system as claimed in claim 7 wherein, comprises a thermal medium storage element, and it is arranged in this pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810095584XA CN101572323A (en) | 2008-04-29 | 2008-04-29 | Fuel cell generating system and heat regulating system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810095584XA CN101572323A (en) | 2008-04-29 | 2008-04-29 | Fuel cell generating system and heat regulating system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101572323A true CN101572323A (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810095584XA Pending CN101572323A (en) | 2008-04-29 | 2008-04-29 | Fuel cell generating system and heat regulating system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764709A (en) * | 2018-12-11 | 2019-05-17 | 全球能源互联网研究院有限公司 | Energy recovery system |
| WO2020118736A1 (en) * | 2018-12-14 | 2020-06-18 | 中国科学院大连化学物理研究所 | Broad spectrum fuel-based fuel cell system and operation method therefor |
-
2008
- 2008-04-29 CN CNA200810095584XA patent/CN101572323A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764709A (en) * | 2018-12-11 | 2019-05-17 | 全球能源互联网研究院有限公司 | Energy recovery system |
| WO2020118736A1 (en) * | 2018-12-14 | 2020-06-18 | 中国科学院大连化学物理研究所 | Broad spectrum fuel-based fuel cell system and operation method therefor |
| US12021281B2 (en) | 2018-12-14 | 2024-06-25 | Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences | Multi-fuel fuel cell system and operation method thereof |
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Open date: 20091104 |