CN109193008A - Hydrogen purification device and hydrogen-oxygen fuel cell system comprising same - Google Patents
Hydrogen purification device and hydrogen-oxygen fuel cell system comprising same Download PDFInfo
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- CN109193008A CN109193008A CN201810799621.9A CN201810799621A CN109193008A CN 109193008 A CN109193008 A CN 109193008A CN 201810799621 A CN201810799621 A CN 201810799621A CN 109193008 A CN109193008 A CN 109193008A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 165
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 165
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000000746 purification Methods 0.000 title claims abstract description 48
- 239000001301 oxygen Substances 0.000 title claims abstract description 44
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 238000001035 drying Methods 0.000 claims abstract description 44
- 238000010992 reflux Methods 0.000 claims abstract description 42
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003595 mist Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 34
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 13
- 239000003463 adsorbent Substances 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000002845 discoloration Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 239000002808 molecular sieve Substances 0.000 claims description 10
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 17
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 239000003513 alkali Substances 0.000 abstract description 9
- 238000009833 condensation Methods 0.000 abstract description 8
- 230000005494 condensation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 150000004681 metal hydrides Chemical class 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000012448 Lithium borohydride Substances 0.000 description 1
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 1
- 229910010277 boron hydride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
- H01M8/0687—Reactant purification by the use of membranes or filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
-
- 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
Landscapes
- 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 invention provides a hydrogen purification device and a hydrogen-oxygen fuel cell system comprising the same. The hydrogen purification device is provided with a first reflux unit, and can achieve the purposes of preliminarily filtering water mist and refluxing condensate; then, at least one stage of heat dissipation unit is communicated with the first reflux unit, hydrogen enters the heat dissipation unit through the first reflux unit, the heat dissipation unit enables the hydrogen to dissipate heat quickly, and along with the quick reduction of the temperature of the hydrogen, aerial fog in the hydrogen is condensed quickly, so that the content of impurities such as water, salt and alkali in the hydrogen is greatly reduced; moreover, a filtering and drying unit is communicated with the heat dissipation unit, hydrogen coming out of the heat dissipation unit enters the filtering and drying unit, and water vapor and SO in the hydrogen are removed through the filtering and drying unit2And after impurities are mixed, the condensation efficiency of the whole hydrogen purification device is high and the purification effect is good through the first backflow unit, the heat dissipation unit and the filtering and drying unit, and the purity of the hydrogen can reach 99.9999% through tests.
Description
Technical field
The invention belongs to hydrogen-oxygen fuel cell technical fields, and in particular to a kind of hydrogen purification device and the hydrogen-oxygen comprising it
Fuel cell system.
Background technique
Fuel cell is a kind of rising new electrical source of power, generally with hydrogen, carbon, methanol, boron hydride,
Coal gas or natural gas are fuel, and as cathode, use the oxygen in air as positive.Wherein common one kind is proton exchange
Membrane cell (PEMFC), energy density and energy conversion efficiency height, cleanliness without any pollution, and operating temperature is low, starting
Fastly.It uses High Pressure Hydrogen gas cylinder etc. as hydrogen source using hydrogen as fuel.
Currently, the preparation method of hydrogen is numerous, compound can be reformed chemically, decompose and carry out hydrogen manufacturing,
Can also be by modes such as electrolysis water, microorganisms come hydrogen manufacturing, but these preparation methods are not able to satisfy that hydrogen output is big, pure, dress
Set requirement small in size.And the advantage that metal hydride hardly matches on hydrogen storage content with other materials, pass through simple water
The big volume production hydrogen of solution reaction energy, NaBH4、LiBH4, LiH etc. can react rapidly with water under room temperature, and react the hydrogen generated
From not only metal hydride itself, but contain the hydrogen in water.
Although metal hydride is able to satisfy the big demand of hydrogen output, in real reaction, due to reacting faster
Speed and biggish fuel factor, hydrogen can carry the misty liquid droplets of a large amount of vapor and solution during escaping in solution,
Such as there are about 5%~10% solution can be carried away during the reaction by hydrogen.If being directly used for hydrogen-oxygen fuel electricity
Pond, such as Proton Exchange Membrane Fuel Cells, it is therein containing Na+、OH?、BH4-And B (OH)4-Equal alkali ions impurity can be serious
Influence performance and the service life of hydrogen-oxygen fuel cell.
Therefore, it before using hydrogen, needs to carry out purified treatment to it, currently, hydrogen purification generally uses drying, inhales
Attached or setting hydrogen purge valve mode carrys out purified hydrogen, if Chinese patent literature CN 102668211A is exactly to use hydrogen
Purge valve is handled, but in face of containing a large amount of Na+、 OH?、BH4-And B (OH)4-When the hydrogen of equal alkali ions impurity,
Clean-up effect is unsatisfactory.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that hydrogen purification in the prior art is overcome to be not thorough, Jin Erying
The performance and the defect in service life of hydrogen-oxygen fuel cell are rung, to provide a kind of hydrogen purification device and the hydrogen-oxygen fuel electricity comprising it
Cell system.
Hydrogen purification device provided by the present invention, including,
First reflux unit, to filter water mist and refluxer；
At least one level heat-sink unit is connected to first reflux unit so that hydrogen through first reflux unit into
Enter in the heat-sink unit；
Filtration drying unit is connected to the heat-sink unit, so that described in the hydrogen entrance come out from the heat-sink unit
In filtration drying unit.
Further, further include the second reflux unit, be set between the heat-sink unit and the filtration drying unit,
To prevent condensate liquid from entering in the filtration drying unit.
Further, first reflux unit includes first shell, is arranged on close to the first shell bottom
Air inlet and the gas outlet being arranged at the top of the first shell；
Guide layer is set in the first shell close to the air inlet, described to prevent condensate liquid from being gone out by hydrogen
First shell, and condensate liquid is guided to flow back.
Further, the guide layer is foam nickel layer；
Along hydrogen flow direction, the ratio between thickness of the thickness of the guide layer and the first shell is (1-3): 10.
Further, the heat-sink unit includes the heat-dissipating pipe passed through for hydrogen, and,
Cold wind is blowed towards the heat-dissipating pipe with the air supply device of cooled hydrogen.
Further, the heat-dissipating pipe coils to form the coil pipe with radiating surface, and the air supply device is blown towards radiating surface
Send cold wind；Or,
The heat-dissipating pipe is bent to form the own font bending tube with radiating surface, and the air supply device is blowed towards radiating surface
Cold wind.
Further, further include cooling fin, be set on the coil pipe or own font bending tube, cold wind is blown to described
On cooling fin, to accelerate hydrogen heat dissipation.
Further, the filtration drying unit includes the ontology with accommodating inner cavity；And
It is set to adsorbent layer intracavitary in the accommodating, so that hydrogen flows through the adsorbent layer and by its drying and mistake
Filter.
Further, the mixture of discoloration silica gel and molecular sieve, the discoloration silica gel and institute are filled in the adsorbent layer
The mass ratio for stating molecular sieve is 1:(2-5).
In addition, the present invention also provides a kind of hydrogen-oxygen fuel cell system, above-mentioned hydrogen purification device.
It further, further include hydrogen formation apparatus, including second shell, the second shell top setting hydrogen goes out
Mouthful, waste liquid outlet is arranged in bottom end, and the hydrogen outlet is connected to first reflux unit, close to waste liquid outlet setting control
Make the control valve of the waste liquid discharge in the second shell after reaction.
It further, further include hydrogen-oxygen fuel cell pile, the exchange membrane including both anode chamber, cathode chamber and segmentation；
The anode chamber is connected to the filtration drying unit, so that purified hydrogen enters the anode chamber, it is described
There is cathode chamber oxygen to enter the opening in it, and oxygen-containing gas is sent into the cathode chamber by the air supply device, to supply to it
Oxygen.
Further, the air supply device is set between the hydrogen-oxygen fuel cell pile and the heat-sink unit.
Technical solution of the present invention has the advantages that
1, hydrogen purification device provided by the invention is arranged the first reflux unit, can play primary filtration water mist and flow back
The purpose of condensate liquid, for example, condensate liquid can be back in hydrogen formation apparatus；Then, it is connected to and sets with the first reflux unit
At least one level heat-sink unit is set, hydrogen enters in heat-sink unit through the first reflux unit, dissipates hydrogen quickly by heat-sink unit
Heat, with reducing rapidly for hydrogen temperature, the aerosol in hydrogen is condensed rapidly, considerably reduces in hydrogen water and saline and alkaline etc. miscellaneous
The content of matter；Furthermore setting filtration drying unit is connected to heat-sink unit, the hydrogen come out from heat-sink unit enters filtration drying
In unit, vapor, the SO in hydrogen are removed by filtration drying unit2, low-boiling-point organic compound steam, all kinds of colloidal particles etc.
Impurity makes the condensation efficiency of entire hydrogen purification device eventually by the first reflux unit, heat-sink unit and filtration drying unit
High and good purification, after tested, hydrogen purity can achieve 99.9999%.
2, it is single that the second reflux is arranged in hydrogen purification device provided by the invention between heat-sink unit and filtration drying unit
Member, other than it can further remove the impurity such as alkali mist, moreover it is possible to prevent condensate liquid from entering in filtration drying unit, avoid alkali mist etc. miscellaneous
Matter influences filtration drying unit.By the way that guide layer is arranged in first shell close to air inlet, can be prevented using the guide layer
Condensate liquid goes out first shell by hydrogen, while can play drainage, and condensate liquid is drained in hydrogen formation apparatus；Into one
Step ground, guide layer selection foam nickel layer also make the combustion that do not react completely in hydrogen formation apparatus other than functioning as described above
Expect that the reaction was continued for ingredient, improves fuel availability.The ratio between thickness and the thickness of first shell for optimizing guide layer, improve drainage effect
Fruit.
3, hydrogen purification device provided by the invention, the mixture of filling discoloration silica gel and molecular sieve in adsorbent layer,
And optimize the mass ratio of the two, vapor, the SO in hydrogen can be removed well2, low-boiling-point organic compound steam, all kinds of colloids it is micro-
The impurity such as grain, while can also avoid the mixture using failure by the consumption degree of both discoloration instructions and cause impure
Hydrogen damages proton exchange membrane.
4, hydrogen-oxygen fuel cell system provided by the invention utilizes pure hydrogen by using above-mentioned hydrogen purification device
Gas can guarantee the steady and sustained progress of hydrogen-oxygen fuel cell as hydrogen-oxygen fuel cell raw material.Further, filtration drying unit
Middle adsorbent layer using discoloration silica gel and molecular sieve mixture, it is small in size, light weight, easy to carry.
5, hydrogen-oxygen fuel cell system provided by the invention, hydrogen-oxygen fuel cell need certain Hydrogen Vapor Pressure when working,
It is useless after reaction in waste liquid outlet setting control second shell inside whole system in relatively high pressure environment
The control valve (such as solenoid valve) of liquid discharge, the control valve, hydrogen-oxygen fuel cell pile and Hydrogen Vapor Pressure cooperation, when control valve is opened
When, such as every 1-3min is opened once, and the hydrogen pressure of backing system is reduced rapidly, so that the air-flow in subsequent purification device is forward
Flowing, the body containing lye of condensation is pushed back forward step by step, is finally back to hydrogen formation apparatus, and be discharged together with waste liquid, most
Valve opening is realized eventually from flowing back, and the alkali mist that can flow back most of reduces the absorption pressure of filtration drying unit.
6, hydrogen-oxygen fuel cell system provided by the invention utilizes intrinsic air supply device (such as wind of hydrogen-oxygen fuel cell
Fan), not only can be to hydrogen-oxygen fuel cell air discharging and radiating, supply oxygen, and the heat dissipation in air supply device and hydrogen purification device
Unit matching constitutes air cooling system, moreover it is possible to improve the condensation effect of hydrogen, while improve space utilization rate.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of hydrogen purification device in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the first reflux unit in Fig. 1；
Fig. 3 is the structural schematic diagram of filtration drying unit in Fig. 1；
Fig. 4 is the performance comparison figure for the hydrogen for passing through and purifying without hydrogen purification device in Fig. 1；
Fig. 5 is the structural schematic diagram of multistage heat-sink unit；
Description of symbols:
0- hydrogen formation apparatus；0-1- hydrogen outlet；0-2- waste liquid outlet；0-3- control valve；The first reflux unit of 1-；1-
0- first shell；1-1- guide layer；The gas outlet 1-2-；1-3- air inlet；2- heat-sink unit；2-1- heat-dissipating pipe；2-2- air-supply dress
It sets；2-3- cooling fin；3- filtration drying unit；3-1- ontology；3-2- accommodates inner cavity；3-3- adsorbent layer；4- second flows back list
Member.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.,
Embodiment 1
A kind of hydrogen purification device is present embodiments provided, as shown in Figure 1, including the first reflux unit 1, to filter water mist
And refluxer；
At least one level heat-sink unit 2 is connected to the first reflux unit 1, is radiated so that hydrogen enters through the first reflux unit 1
In unit 2, in the present embodiment, heat-sink unit 2 is level-one；
Filtration drying unit 3 is connected to heat-sink unit 2, so as to enter filtration drying list from the hydrogen that heat-sink unit 2 comes out
In member 3.
In above-mentioned hydrogen purification device, the first reflux unit 1 is set, primary filtration water mist and refluxer can be played
Purpose, for example, condensate liquid can be back in hydrogen formation apparatus 0；Then, setting is connected to the first reflux unit 1 at least
Level-one heat-sink unit 2, hydrogen enter in heat-sink unit 2 through the first reflux unit 1, make hydrogen rapid cooling by heat-sink unit 2,
With reducing rapidly for hydrogen temperature, the aerosol in hydrogen is condensed rapidly, considerably reduces water and saline and alkaline equal impurity in hydrogen
Content；Furthermore setting filtration drying unit 3 is connected to heat-sink unit 2, the hydrogen come out from heat-sink unit 2, which entered, to be filtered dry
In dry unit 3, vapor, the SO in hydrogen are removed by filtration drying unit 32, low-boiling-point organic compound steam, all kinds of colloids it is micro-
The impurity such as grain, make the cold of entire hydrogen purification device eventually by the first reflux unit 1, heat-sink unit 2 and filtration drying unit 3
High-efficient and good purification is coagulated, after tested, hydrogen purity can achieve 99.9999%.
As shown in Fig. 2, what the first reflux unit 1 was arranged on including first shell 1-0, close to the bottom first shell 1-0
The air inlet 1-3 and gas outlet 1-2 being arranged at the top of first shell 1-0；Guide layer 1-1 is arranged close to air inlet 1-3
In in first shell 1-0, to prevent condensate liquid from going out first shell 1-0 by hydrogen, and condensate liquid is guided to flow back, such as be back to
In hydrogen formation apparatus 0.Specifically, the first reflux unit 1 is return pipe, and guide layer 1-1 is foam nickel layer, in the foam nickel layer
Nickel foam shape and return pipe shape be adapted, may be, for example, column, hydrogen can also be made using the foam nickel layer
The reaction was continued for the propellant composition that do not react completely in device 0, improves fuel availability.
In the present embodiment, heat-sink unit 2 includes the heat-dissipating pipe 2-1 passed through for hydrogen, and is blown towards heat-dissipating pipe 2-1
Send cold wind with the air supply device 2-2 of cooled hydrogen；Specifically, as shown in Figure 1, heat-dissipating pipe 2-1 is bent to form with radiating surface
Own font bending tube, air supply device 2-2 blow cold wind towards radiating surface, and air supply device 2-2 is blower, may be, for example, fan, lead to
Hydrogen radiating rate can be accelerated by crossing setting in this way, and quickly hydrogen cools down.
As shown in figure 3, filtration drying unit 3 includes the ontology 3-1 with accommodating inner cavity 3-2；And it is set in accommodating
Adsorbent layer 3-3 in chamber 3-2, so that hydrogen flows through adsorbent layer 3-3 and by its drying and filtering.Further, adsorbent
The mass ratio of the mixture of filling discoloration silica gel and molecular sieve in layer 3-3, discoloration silica gel and molecular sieve is 1:(2-5), molecular sieve
Aperture be 0.3nm-0.5nm, vapor, the SO in hydrogen can be removed well by the setting2, low-boiling-point organic compound steam
The impurity such as gas, all kinds of colloidal particles, while the mixture using failure can also be avoided by the consumption degree of both discoloration instructions
And lead to impure hydrogen damage proton exchange membrane.Consumption by test, the mixture of change colour silica gel and molecular sieve does not surpass
1.5g/h is crossed, concretely screen pipe, volume can select filtration drying unit 3 as needed.
Embodiment 2
Present embodiments provide a kind of hydrogen purification device, on the basis of above-described embodiment 1, in order to improve condensate liquid from
First reflux unit 1 is back to the speed in hydrogen formation apparatus 0, along hydrogen flow direction, the thickness of guide layer 1-1 and
The ratio between thickness of one shell 1-0 is (1-3): 10；Specifically, the first reflux unit 1 be return pipe, return pipe be about 10cm,
The gas-guide tube of diameter about 2cm, the filling length of guide layer 1-1 are the column nickel foam metal of 2cm；
In order to accelerate hydrogen heat dissipation, as shown in Figure 1, further including cooling fin 2-3, it is set on own font bending tube, cold wind
It is blown to cooling fin 2-3, specifically, cooling fin 2-3 shell is fixed on own word on the direction vertical with hydrogen flow direction
On type bending tube；
Further include the second reflux unit 4, is set between heat-sink unit 2 and filtration drying unit 3.Second reflux unit 4
Other than it can further remove the impurity such as alkali mist, moreover it is possible to prevent condensate liquid from entering in filtration drying unit 3, avoid the impurity such as alkali mist
Influence filtration drying unit 3；Specifically, the second reflux unit 4 is identical as the first reflux unit 1, as the embodiment of modification,
The two can also be different.
It is as follows to carry out test process using above-mentioned hydrogen purification device: hydrogen formation apparatus is due to reacting very exothermic, table
Face temperature is rapidly reached 70 DEG C or more, and the first reflux unit 1 is interior since hydrogen temperature is higher, often accumulates condensate liquid, temperature exists
55-60 DEG C is gradually increased in one hour；And heat-sink unit 2, more specifically, the temperature of cooling fin 2-3 maintain always 30 DEG C with
Under, the important function of condensation is played, water and saline and alkaline content in hydrogen are greatly reduced；The presence of second reflux unit 4 hinders
Stop condensate liquid and entered filtration drying unit 3, ensure that the service life of desiccant.The hydrogen for eventually passing through purification completely removes
Impurity, for hydrogen-oxygen fuel cell long-time service.
In order to verify above-mentioned hydrogen purification device to the clean-up effect and reliability of hydrogen, following test is done: will be by hydrogen
Generating device 0 generates the ratio of not purified hydrogen and the hydrogen progress impurity content by the purification of above-mentioned hydrogen purification device
Compared with.In view of impurity is mainly solid-state and liquid alkaline impurity to the damage of battery in hydrogen, it is not available gas chromatograph
Directly analyzed.Test experiments are fitted into drexel bottle using 2L ultrapure water, will be purified respectively without hydrogen purification device
Hydrogen and hydrogen by hydrogen purification device purification are passed through cold water and carry out Impurity Absorption, every 30min in drexel bottle for inhaling
The water of receipts carries out row's pH measurement, and measurement result is as shown in figure 4, be passed through gas washing for not purified hydrogen it can be seen from Fig. 4
In bottle, the pH of water persistently rises in drexel bottle, becomes alkalinity, reaches 10.5 or so after 3h.By the so high hydrogen of alkalinity
It is passed directly into Proton Exchange Membrane Fuel Cells, the membrane electrode sulfonic group in Proton Exchange Membrane Fuel Cells can be made seriously to be broken
It is bad.And when being passed through in drexel bottle by the hydrogen of hydrogen purification device, the water pH in drexel bottle does not have significant change, maintains always
7 or so, it was demonstrated that the validity of hydrogen purification device ensure that subsequent fuel cell system lifetim.
Embodiment 3
A kind of hydrogen purification device is present embodiments provided, on the basis of above-described embodiment 1 or 2, as changeable type
Embodiment, as shown in figure 5, heat-sink unit 2 is at least two-stage, such as two-stage, thus encountering heat dissipation pressure increase, or
When the too long reflowing result decline of pipeline, above situation can be alleviated by multistage, improve condensation effect；It needs to illustrate
Be that the sum of series heat-sink unit of reflux unit in hydrogen purification device can be set according to actual needs, be accordingly to be regarded as to this patent
Equivalent replacement be not limited solely to a kind of cascade system that Fig. 5 is enumerated all within the protection scope of this patent.
Heat-dissipating pipe 2-1 coils to form the coil pipe with radiating surface, and air supply device 2-2 blows cold wind, the party towards radiating surface
Formula can equally accelerate hydrogen heat dissipation.
Embodiment 4
A kind of hydrogen-oxygen fuel cell system is present embodiments provided, the hydrogen using any one of above-described embodiment 1-3 is net
Makeup is set.Further, as shown in Figure 1, further including hydrogen formation apparatus 0, including second shell, hydrogen is arranged in second shell top
Gas exports 0-1, and waste liquid outlet 0-2 is arranged in bottom end, and hydrogen outlet 0-1 is connected to the first reflux unit 1, close to waste liquid outlet 0-2
The control valve 0-3 of waste liquid discharge in control second shell after reaction is set, and control valve 0-3 can be solenoid valve, hydrogen-oxygen fuel electricity
Pond needs certain Hydrogen Vapor Pressure when working, be in relatively high pressure environment inside whole system, control valve 0-3,
Hydrogen-oxygen fuel cell pile and Hydrogen Vapor Pressure cooperation, when control valve 0-3 is opened, such as every 1-3min opens primary, backing system
Hydrogen pressure be reduced rapidly so that the air-flow flow forward in subsequent purification device, forward step by step by the body containing lye of condensation
It pushes back, is finally back to hydrogen formation apparatus 0, and be discharged together with waste liquid, it is final to realize that valve opening from flowing back, flow back most absolutely
Several alkali mists, reduces the absorption pressure of filtration drying unit 3.
It further, further include hydrogen-oxygen fuel cell pile, the exchange membrane including both anode chamber, cathode chamber and segmentation；
Anode chamber is connected to filtration drying unit 3, so that purified hydrogen enters anode chamber, there is cathode chamber oxygen to enter in it
Opening, oxygen-containing gas is sent into cathode chamber by air supply device 2-2, to supply oxygen to it, it is preferable that air supply device 2-2 is set to hydrogen
Between oxygen fuel cell pile and heat-sink unit 2.Using its not only can to hydrogen-oxygen fuel cell air discharging and radiating, supply oxygen, and
And the heat-sink unit cooperation in air supply device 2-2 and hydrogen purification device 0 constitutes air cooling system, moreover it is possible to improve the condensation effect of hydrogen
Fruit, while improving space utilization rate.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of hydrogen purification device, which is characterized in that including,
First reflux unit, to filter water mist and refluxer；
At least one level heat-sink unit is connected to first reflux unit, so that hydrogen enters institute through first reflux unit
It states in heat-sink unit；
Filtration drying unit is connected to the heat-sink unit, so that the hydrogen come out from the heat-sink unit enters the filtering
In drying unit.
2. hydrogen purification device according to claim 1, which is characterized in that further include,
Second reflux unit is set between the heat-sink unit and the filtration drying unit, to prevent condensate liquid from entering institute
It states in filtration drying unit.
3. hydrogen purification device according to claim 1 or 2, which is characterized in that first reflux unit includes first
Shell, the outlet being arranged at the top of the air inlet that the first shell bottom is arranged on and the close first shell
Mouthful；
Guide layer is set in the first shell, to prevent condensate liquid from going out described first by hydrogen close to the air inlet
Shell, and condensate liquid is guided to flow back.
4. hydrogen purification device according to claim 3, which is characterized in that the guide layer is foam nickel layer；
Along hydrogen flow direction, the ratio between thickness of the thickness of the guide layer and the first shell is (1-3): 10.
5. hydrogen purification device described in any one of -4 according to claim 1, which is characterized in that the heat-sink unit includes using
In the heat-dissipating pipe that hydrogen passes through, and,
Cold wind is blowed towards the heat-dissipating pipe with the air supply device of cooled hydrogen.
6. hydrogen purification device according to any one of claims 1-5, which is characterized in that the filtration drying unit packet
Include the ontology with accommodating inner cavity；And
It is set to adsorbent layer intracavitary in the accommodating, so that hydrogen flows through the adsorbent layer and by its drying and filtering.
7. hydrogen purification device according to claim 6, which is characterized in that in the adsorbent layer filling discoloration silica gel and
The mass ratio of the mixture of molecular sieve, the discoloration silica gel and the molecular sieve is 1:(2-5).
8. a kind of hydrogen-oxygen fuel cell system, which is characterized in that purify and fill including hydrogen of any of claims 1-7
It sets.
9. hydrogen-oxygen fuel cell system according to claim 8, which is characterized in that further include
Hydrogen outlet is arranged in hydrogen formation apparatus, including second shell, the second shell top, and waste liquid outlet is arranged in bottom end,
The hydrogen outlet is connected to first reflux unit, controls reaction in the second shell close to waste liquid outlet setting
The control valve of waste liquid discharge afterwards.
10. hydrogen-oxygen fuel cell system according to claim 8 or claim 9, which is characterized in that further include hydrogen-oxygen fuel cell electricity
Heap, the exchange membrane including both anode chamber, cathode chamber and segmentation；
The anode chamber is connected to the filtration drying unit, so that purified hydrogen enters the anode chamber, the cathode
There is oxygen to enter the opening in it for room, and oxygen-containing gas is sent into the cathode chamber by the air supply device, to supply oxygen to it.
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| CN201810799621.9A CN109193008A (en) | 2018-07-18 | 2018-07-18 | Hydrogen purification device and hydrogen-oxygen fuel cell system comprising same |
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| CN201810799621.9A CN109193008A (en) | 2018-07-18 | 2018-07-18 | Hydrogen purification device and hydrogen-oxygen fuel cell system comprising same |
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| CN101330145A (en) * | 2007-06-19 | 2008-12-24 | 汉能科技有限公司 | Portable fuel cell system |
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