CN104192795A - Device for preparing hydrogen gas by decomposing water through synergic action of oxygen-permeable membrane and hydrogen-permeable membrane - Google Patents
Device for preparing hydrogen gas by decomposing water through synergic action of oxygen-permeable membrane and hydrogen-permeable membrane Download PDFInfo
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- CN104192795A CN104192795A CN201410440063.9A CN201410440063A CN104192795A CN 104192795 A CN104192795 A CN 104192795A CN 201410440063 A CN201410440063 A CN 201410440063A CN 104192795 A CN104192795 A CN 104192795A
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The invention provides a device for preparing hydrogen gas by decomposing water through synergic action of an oxygen-permeable membrane and a hydrogen-permeable membrane, which comprises a reaction chamber a vapor chamber, a hydrogen-permeable chamber and an oxygen-permeable chamber, wherein the reaction chamber is used for providing working temperature required for reaction; the vapor chamber is positioned in the reaction chamber and used for introducing water vapor; the hydrogen-permeable chamber and the oxygen-permeable chamber are positioned in the reaction chamber at both sides of the vapor chamber; the hydrogen-permeable chamber is separated from the vapor chamber by a casing made of a hydrogen-permeable membrane material; the oxygen-permeable chamber is separated from the vapor chamber by a casing made of an oxygen-permeable membrane material; a first chemical potential difference exists between the hydrogen-permeable chamber and the vapor chamber; a second chemical potential difference exists between the oxygen-permeable chamber and the vapor chamber; and oxygen gas/hydrogen gas produced by decomposition of the water vapor in the vapor chamber permeates through the corresponding casing under the action of the chemical potential difference and enters the corresponding chamber. According to the invention, under the synergetic action of the oxygen-permeable membrane and the hydrogen-permeable membrane, hydrogen permeation and oxygen permeation are mutually promoted, and the hydrogen production efficiency is greatly improved.
Description
Technical field
The present invention relates to technical field of new energies, relate in particular to the device of a kind of oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane.
Background technology
Along with the aggravation of traditional energy consumption, renewable energy source causes the attention of countries in the world day by day.Hydrogen is the energy that a kind of energy density is very high, and can produce by decomposing the extremely abundant water of reserves on the earth, so hydrogen becomes the focus of research day by day as renewable energy source.Than traditional water electrolysis hydrogen production and industrial chemicals catalyzing manufacturing of hydrogen, by the hydrogen manufacturing of mould material pyrolysis water can by nuclear energy, industrial waste heat or new forms of energy as sun power be energy derive, reduce the use of electric energy and fossil energy, significant for the Sustainable development that realizes the energy.
Utilize water decomposition under high temperature to react the only feature of conduct oxygen ions of Gibbs free energy reduction, oxygen permeable film material, developed the multiple method of utilizing mould material pyrolysis water hydrogen making.Yet current being mostly of adopting at high temperature utilizes oxygen permeable film that the oxygen separation after aquathermolysis is gone out to system, thus the method for recover hydrogen.But, in this method, will cause the interior density of hydrogen of oxygen permeable film pipe too high, or in permeable hydrogen membrane, oxygen concentration is too high, both can suppress the further decomposition of water, thereby reduce the transformation efficiency of water.And too high hydrogen concentration may damage the structure of oxygen permeable film (especially uhligite oxygen permeable film), too high oxygen concentration may cause Oxidative demage to permeable hydrogen membrane.These factor actings in conjunction, cause the aquathermolysis amount of device of prior art water of decomposition hydrogen making limited, and hydrogen generation efficiency is not high, and the heat energy of system is very low to the efficiency of conversion of chemical energy.
Summary of the invention
(1) technical problem that will solve
In view of above-mentioned technical problem, the invention provides the device of the collaborative water of decomposition hydrogen making of a kind of oxygen permeable film, permeable hydrogen membrane, to improve the hydrogen generation efficiency of device and heat energy to the efficiency of conversion of chemical energy.
(2) technical scheme
The device of oxygen permeable film of the present invention, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane comprises: reaction chamber, for providing reaction required working temperature; Steam chambers, is positioned at reaction chamber, for passing into water vapor; Hydrogen chamber and oxygen flow chamber, be positioned at reaction chamber thoroughly, the both sides of steam chambers, the case off of thoroughly being made by permeable hydrogen membrane material between hydrogen chamber and steam chambers, the case off of being made by oxygen permeable film material between oxygen flow chamber and steam chambers; Wherein, thoroughly between hydrogen chamber and steam chambers, have the first difference in chemical potential, the hydrogen that in steam chambers, water vapor decomposition produces sees through the respective sleeve of being made by permeable hydrogen membrane under the effect of this first difference in chemical potential, enters hydrogen chamber; Between oxygen flow chamber and steam chambers, have the second difference in chemical potential, the oxygen that in steam chambers, water vapor decomposition produces sees through the respective sleeve of being made by oxygen permeable film under the effect of the second difference in chemical potential, enters oxygen flow chamber.
(3) beneficial effect
From technique scheme, can find out, the device of oxygen permeable film of the present invention, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane has following beneficial effect:
(1) by the synergy of oxygen permeable film and permeable hydrogen membrane, oxygen flow and thoroughly hydrogen carry out simultaneously, steam resolution ratio ratio is high a lot of while passing through single oxygen permeable film, thereby greatly improved hydrogen generation efficiency, if the oxygen permeable film pipeline sufficiently long that form nested with permeable hydrogen membrane, water vapor can decompose completely, and decomposes due to collaborative, and required duct length is significantly less than the required duct length of alternative expression water of decomposition hydrogen making device;
(2), by the synergy of oxygen permeable film and permeable hydrogen membrane, the length that installs pipes is significantly less than the required duct length of alternative expression water of decomposition hydrogen making device;
(3) by the mode of simultaneously saturating hydrogen oxygen flow, high-temperature water vapor is constantly decomposed, reduced the thermal losses of the high-temperature water vapor of outflow system, simultaneously can produce more hydrogen and oxygen, had than the higher sun power of traditional method to chemical energy efficiency of conversion;
(4) sleeve structure is arranged in reaction chamber twist, has saved space on the one hand, can also reduce on the other hand the stress of sleeve pipe, the work-ing life of improving whole device;
(5) in oxygen flow chamber, can not use vacuum pump, by passing into reducing gas and oxygen reaction or adsorbability material, reach the object of reduction oxygen partial pressure and generate synthetic gas;
(6) hydrogen chamber can not used vacuum pump thoroughly, by passing into oxidizing gas and hydrogen reaction or adsorbability material, reaches the object of reduction oxygen partial pressure and generates synthetic gas;
(7) the present invention can combine with sun power, nuclear energy, industrial waste heat, clean environment firendly;
(8) device produces high-purity hydrogen and high purity oxygen gas by mould material, and the carbon monoxide of avoiding suitability for industrialized production to cause is residual, significant at aspects such as energy source and power, medical treatment, chemical industry.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of three layers of sleeve structure in the device of first embodiment of the invention oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane;
Fig. 2 A is according to the schematic diagram of hydrogen collection container and double-layer sleeve structure in the device of second embodiment of the invention oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane;
Fig. 2 B is the schematic diagram of double-layer sleeve structure shown in Fig. 2 A.
[main element]
The saturating hydrogen chamber of 1-; 2-steam chambers; 3-oxygen flow chamber;
4-inner sleeve; 5-middle sleeve; 6-outer tube.
7-double-layer sleeve structure; The saturating hydrogen chamber of 8-.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.It should be noted that, in accompanying drawing or specification sheets description, similar or identical part is all used identical figure number.The implementation that does not illustrate in accompanying drawing or describe is form known to a person of ordinary skill in the art in affiliated technical field.In addition, although the demonstration of the parameter that comprises particular value can be provided herein, should be appreciated that, parameter is without definitely equaling corresponding value, but can in acceptable error margin or design constraint, be similar to corresponding value.The direction term of mentioning in embodiment, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., be only the direction with reference to accompanying drawing.Therefore, the direction term of use is to be not used for limiting the scope of the invention for explanation.
The present invention acts synergistically by oxygen permeable film and permeable hydrogen membrane, carries out oxygen flow and saturating hydrogen simultaneously, and hydrogen and oxygen flow are mutually promoted thoroughly, thereby have improved the decomposition efficiency of water vapor, have improved hydrogen generation efficiency.
One, the first embodiment
In first exemplary embodiment of the present invention, provide the device of a kind of oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane.Fig. 1 is according to the structural representation of three layers of sleeve structure in first embodiment of the invention oxygen permeable film, the collaborative water of decomposition hydrogen making device of permeable hydrogen membrane.
Please refer to Fig. 1, the device of the present embodiment oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane comprises: reaction chamber, for providing reaction required working temperature; Three layers of sleeve structure, be positioned at reaction chamber, oxygen flow chamber 3 and saturating hydrogen chamber 1 that it forms the steam chambers 2 at middle part and is positioned at these steam chambers both sides, the case off of being made by oxygen permeable film material between oxygen flow chamber 3 and steam chambers 2, the case off of thoroughly being made by permeable hydrogen membrane material between hydrogen chamber 1 and steam chambers 2;
Wherein, water vapor more than working temperature is passed into by steam chambers 2, the oxygen partial pressure of oxygen partial pressure in oxygen flow chamber 3 when water decomposition reaches thermal equilibrium under working temperature, thoroughly in hydrogen chamber 1 hydrogen dividing potential drop lower than water decomposition under working temperature the hydrogen dividing potential drop during to thermal equilibrium.
Below respectively each integral part of the device of the present embodiment oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane is elaborated.
Reaction chamber is used for placing three layers of sleeve structure, by high temperature solar heat supply.It should be noted that, this reaction chamber can also be other shapes, and its energy derive can also be nuclear energy and fossil energy etc.
In the present embodiment, the working temperature of design is 1500 ℃, and the working temperature that reaction chamber provides and the temperature of water vapor are 1500 ℃, but the present invention is not as limit.In the present invention, as long as working temperature is higher than 900 ℃, more high better in the situation that assurance is safe.
Please refer to Fig. 2, three layers of sleeve structure comprise: inner sleeve 4, by permeable hydrogen membrane material, prepared the saturating hydrogen chamber 1 of its inner formation; Middle sleeve 5, is sheathed on the outside of inner sleeve, by oxygen permeable film material, is prepared between itself and inner sleeve and is formed steam chambers 2; Outer tube 6, is sheathed on the outside of middle sleeve, between itself and middle sleeve, forms oxygen flow chamber 3.Wherein, R
1: R
2: R
3=1: 2: 3, R
1, R
2, R
3be respectively the radius of inner sleeve, middle sleeve and outer tube, and three is mm magnitude, i.e. 1mm≤R
3≤ 10mm.
Between inner sleeve 4 and middle sleeve 5, form steam chambers 2.This steam chambers both ends open, temperature is passed through this steam chambers 2 higher than the high-temperature water vapor of 900 ℃, decomposes the hydrogen and the oxygen that produce and enters respectively hydrogen chamber 1 and oxygen flow chamber 3.It should be noted that, the water vapor of steam chambers 2 can also reuse.
In the present embodiment, the hydrogen dividing potential drop in the oxygen partial pressure in oxygen flow chamber 3 and thoroughly hydrogen chamber 1 is lower than 10
-5atm, but the present invention is as limit, if the hydrogen dividing potential drop in saturating hydrogen chamber 1 lower than water decomposition under working temperature the hydrogen dividing potential drop during to thermal equilibrium, the oxygen partial pressure of the oxygen partial pressure in oxygen flow chamber 3 when water decomposition reaches thermal equilibrium under working temperature.Generally, this hydrogen dividing potential drop and oxygen partial pressure are as long as can realize the present invention lower than 0.15atm.And the oxygen partial pressure of two chambers and hydrogen dividing potential drop can be identical, also can be different, the present invention does not limit this.
In order to reduce the hydrogen dividing potential drop in hydrogen chamber 1, by one end sealing of inner sleeve 4, the other end is connected to the first vacuum pump and extracts the hydrogen that water vapor decomposition is obtained.If while needing further to reduce the oxygen partial pressure in saturating hydrogen chamber 1, the two ends of inner sleeve all can be connected to vacuum pump.
In the present embodiment, in order to reduce the oxygen partial pressure in oxygen flow chamber 3, by one end sealing of the oxygen flow chamber 3 forming between outer tube 6 and middle sleeve 6, the other end is connected to the second vacuum pump and extracts the oxygen that water vapor decomposition is obtained.If while needing further to reduce the oxygen partial pressure in oxygen flow chamber 3, its two ends all can be connected to vacuum pump.
It should be noted that, the mode that reduces oxygen flow chamber 3 interior oxygen partial pressure is not limited to utilize in the present embodiment the mode of vacuum pump, can also in oxygen flow chamber, can pass into the reducing gas such as methane, hydrogen, oxygen partial pressure is dropped to lower pressure, or also can in oxygen flow chamber, put gac etc. can be with combination with oxygen, can maybe can remove the material of oxygen by adsorption of oxygen, can reduce oxygen partial pressure equally.
In addition, the mode that reduces the interior hydrogen dividing potential drop of hydrogen chamber 1 is not limited to utilize in the present embodiment the mode of vacuum pump, can also thoroughly in hydrogen chamber 1, pass into oxidizing gas, for example CO
2gas, or put in saturating hydrogen chamber and can be combined with hydrogen, can adsorb hydrogen and maybe can remove the material of hydrogen, gac for example, to obtain required hydrogen dividing potential drop.
In the present embodiment, thoroughly hydrogen chamber 1 is positioned at the inner side of steam chambers 2, and oxygen flow chamber 3 is positioned at the outside of steam chambers 2, i.e. inner side hydrogen thoroughly, and outside oxygen flow, but the present invention is not as limit.In other embodiments of the invention, can be also the outside that hydrogen chamber 1 is positioned at steam chambers 2, oxygen flow chamber 3 is positioned at the inner side of steam chambers 2, inner side oxygen flow, the saturating hydrogen in outside, can realize the present invention equally.
Please refer to Fig. 1, the cross-sectional shape of inner sleeve 4, middle sleeve 5 and outer tube 6 is circle, but the present invention is not as limit.In the present invention, the cross-sectional shape of pipeline is fixing, thereby and the distance between can adjusting sleeve pipe change the surface-area of permeable hydrogen membrane and oxygen permeable film, obtain the hydrogen and oxygen of different output.In addition, can also be by regulating the length of steam rates flow velocity and three layers of sleeve structure to control the object that reaches the saturating hydrogen oxygen flow of voltage stabilizing.
In the present embodiment, three layers of sleeve structure are arranged in reaction chamber twist, have saved space on the one hand, can also reduce on the other hand the stress of sleeve pipe, the work-ing life of improving whole device.
In the present embodiment, the material of outer tube is Al
2o
3deng high temperature ceramic material.The material of oxygen permeable film and permeable hydrogen membrane is all well known to those skilled in the art, only provides several conventional materials herein, and as an example, oxygen permeable film material is selected from a kind of in following material: La
1-xsr
xco
1-yfe
yo
3-δ(0≤x≤1,0≤δ < 3) and Ba
xsr
1-xco
yfe
1-yo
3-δ(0≤x≤1,0≤y≤1,0≤δ < 3) etc.Permeable hydrogen membrane material is selected from a kind of in following material: ZrO
2-TiO
2-Y
2o
3; SrCe
xtm
1-xo
3-δ(0≤x≤1,0≤δ < 3); SrCe
xyb
1-xo
3-α(0≤x≤1,0≤α < 3) and palladium (Pd) etc.
In the present embodiment, the required Gibbs free energy of at high temperature decomposition reaction of water vapor reduces, and under high temperature, water vapor more easily decomposes generation hydrogen and oxygen.Because hydrogen and oxygen were stolen permeable hydrogen membrane and oxygen permeable film simultaneously, so in steam chambers, hydrogen dividing potential drop and oxygen partial pressure can remain on higher level, can make hydrogen and oxygen appear continuously mould material and flow into hydrogen chamber and oxygen flow chamber.Meanwhile, by the mode of hydrogen oxygen flow simultaneously thoroughly, high-temperature water vapor is constantly decomposed, reduced the thermal losses of the high-temperature water vapor of outflow system, can produce more hydrogen, have than the higher sun power of traditional method to chemical energy efficiency of conversion simultaneously.
So far, the device introduction of first embodiment of the invention oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane is complete.
Two, the second embodiment
In second exemplary embodiment of the present invention, provide the device of another kind of oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane.Fig. 2 A is according to the schematic diagram of hydrogen collection container and double-layer sleeve structure in the device of second embodiment of the invention oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane.As shown in Figure 2 A, the difference of this device and the first embodiment is, the outer tube of three layers of sleeve structure has changed hydrogen collection container into, only retains the double-layer sleeve structure of inner side.The middle portion of double-layer sleeve structure is positioned at this hydrogen collection container, the position sealing that itself and hydrogen collection container join.
Fig. 2 B is the schematic diagram of double-layer sleeve structure shown in Fig. 2 A.As shown in Figure 2 B, bilayer sleeve 7 is comprised of two portions, and innermost layer is oxygen flow chamber 3, and skin is steam chambers 2.Centre is separated by the inner sleeve of preparing with permeable hydrogen membrane.Bilayer sleeve 7 external reactors cavitys are that hydrogen chamber connects vacuum pump, and reach the pressure 1 * 10 needing
-5atm.In addition, thoroughly hydrogen chamber extracts hydrogen by vacuum pump to reach internal pressure is 1 * 10
-5atm.
In the present embodiment, it is energy derive that whole device be take the high temperature solar focusing on, and controlling reaction chamber internal temperature is 1500 ℃.Through the high-temperature water vapor of preheating from pipeline 7 inflow device from top to bottom, when the high-temperature water vapors of 1500 ℃ flow into, a small amount of oxygen of pyrolysis and hydrogen are because both sides pressure reduction can enter corresponding vacuum cavity by oxygen permeable film and permeable hydrogen membrane respectively, vacuum pump is extracted corresponding gas and recovery out, hydrolysis reaction is moved to positive dirction, and water vapor continues to decompose generation hydrogen and oxygen.And, when high-temperature water vapor is during by a plurality of oxygen permeable films pipeline of forming nested with permeable hydrogen membrane and reactor, constantly being decomposed and produced hydrogen and oxygen, hydrogen and oxygen are collected respectively again.
So far, the device introduction of second embodiment of the invention oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane is complete.
Three, the 3rd embodiment
In the 3rd exemplary embodiment of the present invention, also provide another oxygen permeable film, permeable hydrogen membrane to work in coordination with the device of water of decomposition hydrogen making.This device and above two embodiment differences are, oxygen permeable film and permeable hydrogen membrane are non-metallic film.
By apply potential difference between oxygen flow chamber 1 and steam chambers, make the current potential of described oxygen flow chamber 1 higher than the current potential of steam chambers 2.Meanwhile, by thoroughly applying potential difference between hydrogen chamber 1 and steam chambers, make the current potential of hydrogen chamber 1 lower than the current potential of steam chambers 2.Generally, potential difference absolute value △ V meets: 0V < △ V≤500V.
It will be apparent to those skilled in the art that if in the situation that oxygen permeable film and permeable hydrogen membrane are non-metallic film, just can adopt the method for potential difference.And if permeable hydrogen membrane is metallic membrane, can not adopt the method for this potential difference.
It should be noted that, except adopting the mode of oxygen partial pressure or potential difference to realize hydrogen or oxygen flow, can also adopt other modes that can produce difference in chemical potential to realize hydrogen or oxygen flow, herein particularize no longer.
Above by reference to the accompanying drawings three embodiment of the present invention be have been described in detail.According to above, describe, those skilled in the art should have clearly understanding to the device of oxygen permeable film of the present invention, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane.
In addition, the above-mentioned definition to each element and method is not limited in various concrete structures, shape or the mode of mentioning in embodiment, those of ordinary skills can change simply or replace it, for example: the material of sleeve pipe can be selected other materials, and the material that is not limited to provide in above-described embodiment, the shape of cross section of each sleeve pipe can also be the various shapes such as square, trapezoidal, trilateral.
In sum, the device of oxygen permeable film of the present invention, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane is by the synergy of oxygen permeable film and permeable hydrogen membrane, steam resolution ratio ratio is high a lot of while passing through single oxygen permeable film, thereby has greatly improved hydrogen generation efficiency, has broad application prospects.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a device for oxygen permeable film, the collaborative water of decomposition hydrogen making of permeable hydrogen membrane, is characterized in that, comprising:
Reaction chamber, for providing reaction required working temperature;
Steam chambers (2), is positioned at reaction chamber, for passing into water vapor;
Saturating hydrogen chamber (1) and oxygen flow chamber (3), be positioned at described reaction chamber, the both sides of described steam chambers (2), the case off of being made by permeable hydrogen membrane material between described hydrogen chamber (1) and steam chambers (2), the case off of being made by oxygen permeable film material between described oxygen flow chamber (3) and steam chambers (2);
Wherein, between described hydrogen chamber (1) and steam chambers (2), there is the first difference in chemical potential, the hydrogen that in described steam chambers, water vapor decomposition produces sees through the sleeve pipe of being made by permeable hydrogen membrane under the effect of this first difference in chemical potential, enters in hydrogen chamber; Between described oxygen flow chamber (3) and steam chambers (2), have the second difference in chemical potential, the oxygen that in described steam chambers, water vapor decomposition produces sees through the sleeve pipe of being made by oxygen permeable film under the effect of the second difference in chemical potential, enters in oxygen flow chamber.
2. device according to claim 1, is characterized in that, described oxygen permeable film and permeable hydrogen membrane are non-metallic film, and described difference in chemical potential is potential difference;
The current potential of described hydrogen chamber (1) is lower than the current potential of described steam chambers (2);
The current potential of described oxygen flow chamber (3) is higher than the current potential of described steam chambers (2).
3. device according to claim 1, is characterized in that, described difference in chemical potential is partial pressure difference, wherein:
Hydrogen dividing potential drop when the hydrogen dividing potential drop in described hydrogen chamber (1) arrives thermal equilibrium lower than water decomposition under working temperature;
The oxygen partial pressure of oxygen partial pressure in described oxygen flow chamber (3) when water decomposition reaches thermal equilibrium under described working temperature.
4. device according to claim 3, is characterized in that, the hydrogen dividing potential drop in described hydrogen chamber (1) and the oxygen partial pressure in described oxygen flow chamber (3) are all lower than 0.1atm.
5. device according to claim 3, is characterized in that:
One or more in the following manner of described hydrogen chamber (1) obtain required hydrogen dividing potential drop: (a) one end of described hydrogen chamber sealing, and the other end is connected to vacuum pump; (b) in described hydrogen chamber, pass into oxidizing gas; (c) described hydrogen chamber is put into and can be combined with hydrogen, can adsorb hydrogen and maybe can remove the material of hydrogen;
One or more in the following manner of described oxygen flow chamber (3) obtain requisite oxygen dividing potential drop: (a) one end of described oxygen flow chamber sealing, and the other end is connected to vacuum pump; (b) in described oxygen flow chamber, pass into reducing gas; (c) in described oxygen flow chamber, putting into can be with combination with oxygen, can maybe can remove the material of oxygen by adsorption of oxygen.
6. device according to claim 1, is characterized in that, comprising: three layers of sleeve structure, be positioned at described reaction chamber, and comprising: inner sleeve (4), middle sleeve (5) and outer tube (6);
Wherein, in inner sleeve (4), form the first chamber, between inner sleeve (4) and middle sleeve (5), form steam chambers, between middle sleeve (5) and outer tube (6), form the second chamber;
Wherein, one of them is described hydrogen chamber (1) for described the first chamber and the second chamber, and wherein another is described oxygen flow chamber (2);
Described three layers of sleeve structure are arranged in described reaction chamber in the shape of a spiral.
7. device according to claim 6, is characterized in that, the material of described outer tube (6) is high temperature ceramic material.
8. device according to claim 1, is characterized in that, comprising:
The first container;
Double-layer sleeve structure, in the shape of a spiral, intermediate portion is positioned at described the first container, and the position of two ends and described the first container handing-over is tightly connected, and comprising: inner sleeve and outer tube; Wherein, in inner sleeve, form the first chamber, between inner sleeve and outer tube, form steam chambers, between outer tube and the first container, form the second chamber;
Wherein, one of them is described hydrogen chamber (1) for described the first chamber and the second chamber, and wherein another is described oxygen flow chamber (2).
9. according to the device described in any one in claim 1 to 8, it is characterized in that:
Described oxygen permeable film material is selected from a kind of in following material:
La
1-xsr
xco
1-yfe
yo
3-δ, 0≤x≤1 wherein, 0≤δ < 3; With
Ba
xsr
1-xco
yfe
1-yo
3-δ, wherein: 0≤x≤1,0≤y≤1,0≤δ < 3;
Described permeable hydrogen membrane material is selected from a kind of in following material:
ZrO
2-TiO
2-Y
2O
3；
SrCe
xtm
1-xo
3-δ, 0≤x≤1 wherein, 0≤δ < 3;
SrCe
xyb
1-xo
3-α, 0≤x≤1 wherein, 0≤α < 3; With
Pd。
10. according to the device described in any one in claim 1 to 8, it is characterized in that, this device provides heat by sun power, nuclear energy, industrial waste heat or fossil energy.
11. according to the device described in any one in claim 1 to 8, it is characterized in that, the number of described oxygen flow chamber (3), steam chambers (2) and saturating hydrogen chamber (1) is more than or equal to 1, and the section shape of described interior conduit is circular, square, trilateral or trapezoidal.
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|---|---|---|---|
| CN201410440063.9A CN104192795A (en) | 2014-09-01 | 2014-09-01 | Device for preparing hydrogen gas by decomposing water through synergic action of oxygen-permeable membrane and hydrogen-permeable membrane |
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|---|---|---|---|
| CN201410440063.9A CN104192795A (en) | 2014-09-01 | 2014-09-01 | Device for preparing hydrogen gas by decomposing water through synergic action of oxygen-permeable membrane and hydrogen-permeable membrane |
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| CN104192795A true CN104192795A (en) | 2014-12-10 |
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| CN104649227A (en) * | 2015-02-13 | 2015-05-27 | 中国科学院工程热物理研究所 | Comprehensive solar energy utilization system based on oxygen permeating membrane |
| CN114314510A (en) * | 2022-01-29 | 2022-04-12 | 中国科学院工程热物理研究所 | Methane reforming reaction system |
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| US20040098914A1 (en) * | 2002-09-17 | 2004-05-27 | The University Of Chicago | Hydrogen production by high temperature water splitting using electron conducting membranes |
| US20110297531A1 (en) * | 2010-04-08 | 2011-12-08 | Kabushiki Kaisha Toyota Jidoshokki | Hydrogen generation device and method of using same |
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| US20040050801A1 (en) * | 2002-09-17 | 2004-03-18 | The University Of Chicago | Hydrogen production by high-temperature water splitting using electron-conducting membranes |
| US20040098914A1 (en) * | 2002-09-17 | 2004-05-27 | The University Of Chicago | Hydrogen production by high temperature water splitting using electron conducting membranes |
| US20110297531A1 (en) * | 2010-04-08 | 2011-12-08 | Kabushiki Kaisha Toyota Jidoshokki | Hydrogen generation device and method of using same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104649227A (en) * | 2015-02-13 | 2015-05-27 | 中国科学院工程热物理研究所 | Comprehensive solar energy utilization system based on oxygen permeating membrane |
| CN114314510A (en) * | 2022-01-29 | 2022-04-12 | 中国科学院工程热物理研究所 | Methane reforming reaction system |
| WO2023142929A1 (en) * | 2022-01-29 | 2023-08-03 | 中国科学院工程热物理研究所 | Methane reforming reaction system |
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Application publication date: 20141210 |