CN104485465B - Fuel cell humidifying device and the Proton Exchange Membrane Fuel Cells of this humidifier of use - Google Patents
Fuel cell humidifying device and the Proton Exchange Membrane Fuel Cells of this humidifier of use Download PDFInfo
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- CN104485465B CN104485465B CN201410751284.8A CN201410751284A CN104485465B CN 104485465 B CN104485465 B CN 104485465B CN 201410751284 A CN201410751284 A CN 201410751284A CN 104485465 B CN104485465 B CN 104485465B
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- choma
- water
- humidifying
- drum
- humidifying drum
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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
- H01M8/04126—Humidifying
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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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to fuel cell humidifying device and use the Proton Exchange Membrane Fuel Cells of this humidifier.Wherein fuel cell humidifying device include humidifying drum that supplied gas passes through be arranged in humidifying drum along gas circulating direction at least together with shout choma, in the described ring body shouting choma, there is sudden contraction portion, the internal diameter in described sudden contraction portion shouts the internal diameter of choma less than its upstream and downstream position, on described ring body, the position corresponding to sudden contraction subordinate trip is provided with hole for water spraying, described hole for water spraying has the water inlet for connecting with corresponding water source, rely on sudden contraction portion and hole for water spraying, change in flow can be produced when airflow passes shouts choma and produce low pressure, and then realize the ejection of humidification water, need not arrange water pump, it is thus possible to reduction manufacturing cost and use cost.
Description
Technical field
The present invention relates to fuel cell humidifying device and Proton Exchange Membrane Fuel Cells.
Background technology
Proton Exchange Membrane Fuel Cells is a kind of fuel cell, being equivalent to " inverse " device of water electrolysis in principle, its monocell is made up of anode, negative electrode and PEM, and anode aoxidizes for hydrogen fuel, negative electrode is for oxidant reduction, and PEM is as electrolyte.When Proton Exchange Membrane Fuel Cells runs, PEM needs to keep certain humidity, and therefore, Proton Exchange Membrane Fuel Cells needs air and the hydrogen of certain humidity, to maintain battery properly functioning.At present, humidifier for the gas humidification in fuel cell includes enthalpy wheel humidifier and spray humidifier, wherein enthalpy wheel humidifier humidifier of a kind of proton exchange film fuel battery system as disclosed in the Chinese patent that Authorization Notice No. is CN 203013853 U, the absorbent materials such as pottery are utilized to make rotation wheel, when higher temperature and humidity gas by time make part water and heat stay rotation wheel in, when the air-flow of lower temperature and humidity makes air-flow obtain a liter gentle humidification when this rotation is taken turns, rotating wheel to be driven by specialized agency, drive mechanism is by controller management.Spray humidifier is a kind of atomizing humidifier as disclosed in the Chinese patent that Authorization Notice No. is CN 2506908 Y, spraying in gas to be humidified with pump handle water, the effect of water pump is to provide irrigation pressure for nozzle, and pressure is the highest, water atomization degree is the best, and moisturization effect is the best.
But, in above two humidifier of the prior art, the former needs to use rotary part enthalpy wheel and corresponding drive mechanism, and enthalpy wheel has the highest assembly precision requirement, the latter needs to use water pump, and the crudy of nozzle is had the highest requirement, and therefore manufacturing cost and use cost are higher, it is not easy to manufacture and the maintenance of fuel cell pile, is also unfavorable for the commercialization popularization and application of fuel cell.
Summary of the invention
It is an object of the invention to provide the fuel cell humidifying device that a kind of manufacturing cost and use cost is low, meanwhile, present invention also offers a kind of Proton Exchange Membrane Fuel Cells using this humidifier.
In the present invention, fuel cell humidifying device the technical scheme is that fuel cell humidifying device, the humidifying drum passed through including supplied gas be arranged in humidifying drum along gas circulating direction at least together with shout choma, in the described ring body shouting choma, there is sudden contraction portion, the internal diameter in described sudden contraction portion shouts the internal diameter of choma less than its upstream and downstream position, on described ring body, the position corresponding to sudden contraction subordinate trip is provided with hole for water spraying, and described hole for water spraying has the water inlet for connecting with corresponding water source.
Shout choma along what gas circulating direction was provided with more than twice in described humidifying drum, respectively shout the axially spaced setting of choma and the adjacent internal diameter size shouting choma is sequentially reduced along gas circulating direction.
The described outer wall shouting choma is provided with the aqua storage tank for connecting with water source, and the notch capping of described aqua storage tank has water permeable membrane.
Being provided with water storage cavity in the cylinder of described humidifying drum, the inwall of described humidifying drum is provided with humidifying drum water permeable membrane and flows to the through hole at humidifying drum water permeable membrane for the water in water storage cavity.
It is provided with the heating net for supporting humidifying drum water permeable membrane in the inner side of humidifying drum water permeable membrane in described humidifying drum.
In the present invention, Proton Exchange Membrane Fuel Cells the technical scheme is that Proton Exchange Membrane Fuel Cells, including PEM and fuel cell humidifying device, described fuel cell humidifying device include humidifying drum that supplied gas passes through be arranged in humidifying drum along gas circulating direction at least together with shout choma, described shout choma in there is sudden contraction portion, the internal diameter in described sudden contraction portion shouts the internal diameter of choma less than its upstream and downstream position, on the described ring body shouting choma, the position corresponding to sudden contraction subordinate trip is provided with hole for water spraying, described hole for water spraying has the water inlet for connecting with corresponding water source.
Shout choma along what gas circulating direction was provided with more than twice in described humidifying drum, respectively shout the axially spaced setting of choma and the adjacent internal diameter size shouting choma is sequentially reduced along gas circulating direction.
The described outer wall shouting choma is provided with the aqua storage tank for connecting with water source, and the notch capping of described aqua storage tank has water permeable membrane.
Being provided with water storage cavity in the cylinder of described humidifying drum, the inwall of described humidifying drum is provided with humidifying drum water permeable membrane and flows to the through hole at humidifying drum water permeable membrane for the water in water storage cavity.
It is provided with the heating net for supporting humidifying drum water permeable membrane in the inner side of humidifying drum water permeable membrane in described humidifying drum.
The present invention uses technique scheme, fuel cell humidifying device include humidifying drum that supplied gas passes through be arranged in humidifying drum along gas circulating direction at least together with shout choma, in the described ring body shouting choma, there is sudden contraction portion, the internal diameter in described sudden contraction portion shouts the internal diameter of choma less than its upstream and downstream position, on described ring body, the position corresponding to sudden contraction subordinate trip is provided with hole for water spraying, described hole for water spraying has the water inlet for connecting with corresponding water source, rely on sudden contraction portion and hole for water spraying, change in flow can be produced when airflow passes shouts choma and produce low pressure, and then realize the ejection of humidification water, need not arrange water pump, it is thus possible to reduction manufacturing cost and use cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of fuel cell humidifying device in the present invention, is also the structural representation of fuel cell humidifying device in an embodiment of Proton Exchange Membrane Fuel Cells in the present invention simultaneously；
Fig. 2 is the enlarged drawing shouting choma in Fig. 1.
Corresponding entitled of each reference in figure: 10 humidifying drums, 11 water storage cavities, 20 shout choma, 21 sudden contraction portions, 22 hole for water sprayings, 23 water inlets, 24 aqua storage tanks, 30 water permeable membrane, 40 supports, 50 humidifying drum water permeable membrane, 60 heating nets, 70 ponds, 80 water pipes.
Detailed description of the invention
The present invention implement such as shown in Fig. 1 ~ Fig. 2 for one of fuel cell humidifying device, the humidifying drum 10 that passes through including supplied gas, as the pond 70 at water source be fixedly installed on humidifying drum 10 Nei tetra-road by support 40 and shout choma 20.
Shout choma 20 described in four roads to be all coaxially disposed with humidifying drum 10, respectively shout the axially spaced setting of choma 20 and the adjacent radial dimension shouting choma 20 is sequentially reduced along gas circulating direction.Respectively shout choma 20 and all use loop configuration, there is in ring body sudden contraction portion 21, similar aditus laryngis, therefore become " shouting choma ".The internal diameter in sudden contraction portion 21 shouts the internal diameter of choma 20 less than its upstream and downstream position so that can increase suddenly flow velocity when air-flow flows through in ring body in sudden contraction portion 21, thus form low-pressure area in downstream, sudden contraction portion 21.The described outer wall shouting choma 20 is provided with aqua storage tank 24, and aqua storage tank 24 is connected with pond 70 by corresponding water pipe 80 and the capping of its notch has water permeable membrane 30.On inner wall of ring body, the position corresponding to downstream, sudden contraction portion 21 is provided with hole for water spraying 22, and described hole for water spraying 22 has the water inlet 23 connected with described aqua storage tank 24, thus connects with water source.Shout choma 20 and use said structure, the low-pressure area relying on air-flow velocity to change and to be formed at hole for water spraying 22, fuel cell humidifying device need not water pump can make water spray from hole for water spraying 22, realize the atomization of water, reaching to humidify purpose, meanwhile, atomized water is away from the internal face of humidifying drum 10, be conducive to and be humidified gas and be sufficiently mixed, playing good humidifying effect.As shown in Figure 2, the sudden contraction portion 21 on choma 20 of respectively shouting is near the bottom of ring body, the inner wall of ring body of upstream, sudden contraction portion 21 and the inner wall of ring body in downstream are arc smooth structure, and the inner wall of ring body Curvature varying in downstream is bigger, be conducive to passing through and the formation of low-pressure area of air-flow, it is ensured that the good atomizing effect of water.In the present embodiment, the diameter of hole for water spraying 22 is preferably 0.5 millimeter to 1.5 millimeters.The form layout that choma 20 uses above-mentioned internal diameter to be sequentially reduced is shouted, it is possible to avoid upstream to shout the choma 20 impact on air-flow, it is ensured that the normal work of choma 20 is shouted in downstream, thus better ensures that moisturization effect described in four roads.Certainly, in other embodiments, the quantity shouting choma 20 can also be one, two, three or more than five, and the radial dimension respectively shouting choma 20 can also be identical.
In order to reach more preferable moisturization effect, ensure the reliability of humidifier, it is provided with water storage cavity 11 in the cylinder of described humidifying drum 10, the inwall of described humidifying drum 10 is provided with humidifying drum water permeable membrane 50 and flows to the through hole at humidifying drum water permeable membrane 50 for the water in water storage cavity 11, is provided with the heating net 60 for supporting humidifying drum water permeable membrane 50 in described humidifying drum 10 in the inner side of humidifying drum water permeable membrane 50.So, the water in pond 70 can enter water storage cavity 11 by through hole, and slowly appears at water permeable membrane 30, plays humidification.And heating net 60 is not only able to play the supporting role to humidifying drum water permeable membrane 50, additionally it is possible to realize the regulation of water temperature, and then regulate humidifying effect and gas is preheated；Meanwhile, heating net 60 can make air-flow form turbulent flow on humidifying drum water permeable membrane 50 surface, promotes humidification.
In the present invention, an embodiment of Proton Exchange Membrane Fuel Cells includes PEM and fuel cell humidifying device, the structure of PEM is same as the prior art, the structure of fuel cell humidifying device is identical with the fuel cell humidifying device in above-described embodiment, the most no longer illustrates.
During use, air-flow flows through from humidifying drum 10, makes water atomization spray shouting formation low-pressure area at choma 20, realize humidification, meanwhile, by the humidifying drum water permeable membrane 50 on humidifying drum 10 and heating net 60, air-flow can be humidified simultaneously and preheated, thus ensures reliable moisturization effect.Further, the humidifier in the present invention is completely different with enthalpy wheel humidifier, it is not necessary to revolving part；The spray humidifier traditional from common membrane humidifier is the most different, it is not necessary to water pump, and assembling is simple, and matching requirements are low, low cost of manufacture, it is possible to effectively save manufacture, maintenance cost.
In the above-described embodiments, shout choma 20 and be provided with four roads, in other embodiments of the invention, shout choma 20 and can also only arrange together, equally rely on sudden contraction portion 21 and hole for water spraying 22 to realize generation and the water spray of depression, and then realize humidification.Additionally, in above-described embodiment, the humidifying drum water permeable membrane 50 in humidifying drum 10 and heating net 60 can also save, only rely on and shout choma 20 gas is humidified, and shout the most nonessential structure of aqua storage tank 24 on choma 20, can also save or replace in other embodiments, when being not provided with aqua storage tank 24, the water inlet 23 of hole for water spraying 22 can be connected with water source by corresponding pipeline.
Claims (10)
1. fuel cell humidifying device, it is characterized in that: include humidifying drum that supplied gas passes through be arranged in humidifying drum along gas circulating direction at least together with shout choma, in the described ring body shouting choma, there is sudden contraction portion, the internal diameter in described sudden contraction portion shouts the internal diameter of choma less than its upstream and downstream position, on described ring body, the position corresponding to sudden contraction subordinate trip is provided with hole for water spraying, and described hole for water spraying has the water inlet for connecting with corresponding water source.
Fuel cell humidifying device the most according to claim 1, it is characterized in that: shout choma along what gas circulating direction was provided with more than twice in described humidifying drum, respectively shout the axially spaced setting of choma and the adjacent internal diameter size shouting choma is sequentially reduced along gas circulating direction.
Fuel cell humidifying device the most according to claim 1 and 2, it is characterised in that the outer wall shouting choma described in: is provided with the aqua storage tank for connecting with water source, the notch capping of described aqua storage tank has water permeable membrane.
Fuel cell humidifying device the most according to claim 1 and 2, it is characterised in that: being provided with water storage cavity in the cylinder of described humidifying drum, the inwall of described humidifying drum is provided with humidifying drum water permeable membrane and flows to the through hole at humidifying drum water permeable membrane for the water in water storage cavity.
Fuel cell humidifying device the most according to claim 4, it is characterised in that: the heating net for supporting humidifying drum water permeable membrane it is provided with in described humidifying drum in the inner side of humidifying drum water permeable membrane.
6. Proton Exchange Membrane Fuel Cells, including PEM and fuel cell humidifying device, it is characterized in that: described fuel cell humidifying device include humidifying drum that supplied gas passes through be arranged in humidifying drum along gas circulating direction at least together with shout choma, described shout choma in there is sudden contraction portion, the internal diameter in described sudden contraction portion shouts the internal diameter of choma less than its upstream and downstream position, on the described ring body shouting choma, the position corresponding to sudden contraction subordinate trip is provided with hole for water spraying, and described hole for water spraying has the water inlet for connecting with corresponding water source.
Proton Exchange Membrane Fuel Cells the most according to claim 6, it is characterized in that: shout choma along what gas circulating direction was provided with more than twice in described humidifying drum, respectively shout the axially spaced setting of choma and the adjacent internal diameter size shouting choma is sequentially reduced along gas circulating direction.
8., according to the Proton Exchange Membrane Fuel Cells described in claim 6 or 7, it is characterised in that the outer wall shouting choma described in: is provided with the aqua storage tank for connecting with water source, the notch capping of described aqua storage tank has water permeable membrane.
9. according to the Proton Exchange Membrane Fuel Cells described in claim 6 or 7, it is characterised in that: being provided with water storage cavity in the cylinder of described humidifying drum, the inwall of described humidifying drum is provided with humidifying drum water permeable membrane and flows to the through hole at humidifying drum water permeable membrane for the water in water storage cavity.
Proton Exchange Membrane Fuel Cells the most according to claim 9, it is characterised in that: the heating net for supporting humidifying drum water permeable membrane it is provided with in described humidifying drum in the inner side of humidifying drum water permeable membrane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751284.8A CN104485465B (en) | 2014-12-10 | 2014-12-10 | Fuel cell humidifying device and the Proton Exchange Membrane Fuel Cells of this humidifier of use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751284.8A CN104485465B (en) | 2014-12-10 | 2014-12-10 | Fuel cell humidifying device and the Proton Exchange Membrane Fuel Cells of this humidifier of use |
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| Publication Number | Publication Date |
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| CN104485465A CN104485465A (en) | 2015-04-01 |
| CN104485465B true CN104485465B (en) | 2016-08-17 |
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| CN201410751284.8A Active CN104485465B (en) | 2014-12-10 | 2014-12-10 | Fuel cell humidifying device and the Proton Exchange Membrane Fuel Cells of this humidifier of use |
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| CN112635797A (en) * | 2020-12-18 | 2021-04-09 | 北京理工大学 | Humidification system of fuel cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2114784U (en) * | 1992-01-28 | 1992-09-02 | 牛群堂 | Dry steam humidifying device |
| CN2783193Y (en) * | 2005-04-26 | 2006-05-24 | 牛群堂 | High-efficient pipe plug in type multi-function humidifier |
| CN102956908B (en) * | 2012-11-20 | 2014-12-24 | 北京慧峰聚能科技有限公司 | Humidifier for proton exchange membrane fuel cell |
| CN203013853U (en) * | 2012-12-28 | 2013-06-19 | 新源动力股份有限公司 | Humidifier for proton exchange membrane fuel cell system |
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